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Diffstat (limited to 'src/normal.c')
| -rw-r--r-- | src/normal.c | 9560 |
1 files changed, 9560 insertions, 0 deletions
diff --git a/src/normal.c b/src/normal.c new file mode 100644 index 0000000..41af966 --- /dev/null +++ b/src/normal.c @@ -0,0 +1,9560 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ +/* + * normal.c: Contains the main routine for processing characters in command + * mode. Communicates closely with the code in ops.c to handle + * the operators. + */ + +#include "vim.h" + +/* + * The Visual area is remembered for reselection. + */ +static int resel_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */ +static linenr_T resel_VIsual_line_count; /* number of lines */ +static colnr_T resel_VIsual_vcol; /* nr of cols or end col */ +static int VIsual_mode_orig = NUL; /* saved Visual mode */ + +static int restart_VIsual_select = 0; + +#ifdef FEAT_EVAL +static void set_vcount_ca(cmdarg_T *cap, int *set_prevcount); +#endif +static int +#ifdef __BORLANDC__ + _RTLENTRYF +#endif + nv_compare(const void *s1, const void *s2); +static void op_colon(oparg_T *oap); +static void op_function(oparg_T *oap); +#if defined(FEAT_MOUSE) +static void find_start_of_word(pos_T *); +static void find_end_of_word(pos_T *); +static int get_mouse_class(char_u *p); +#endif +static void prep_redo(int regname, long, int, int, int, int, int); +static void clearop(oparg_T *oap); +static void clearopbeep(oparg_T *oap); +static void unshift_special(cmdarg_T *cap); +static void may_clear_cmdline(void); +#ifdef FEAT_CMDL_INFO +static void del_from_showcmd(int); +#endif + +/* + * nv_*(): functions called to handle Normal and Visual mode commands. + * n_*(): functions called to handle Normal mode commands. + * v_*(): functions called to handle Visual mode commands. + */ +static void nv_ignore(cmdarg_T *cap); +static void nv_nop(cmdarg_T *cap); +static void nv_error(cmdarg_T *cap); +static void nv_help(cmdarg_T *cap); +static void nv_addsub(cmdarg_T *cap); +static void nv_page(cmdarg_T *cap); +#ifdef FEAT_MOUSE +static void nv_mousescroll(cmdarg_T *cap); +static void nv_mouse(cmdarg_T *cap); +#endif +static void nv_scroll_line(cmdarg_T *cap); +static void nv_zet(cmdarg_T *cap); +#ifdef FEAT_GUI +static void nv_ver_scrollbar(cmdarg_T *cap); +static void nv_hor_scrollbar(cmdarg_T *cap); +#endif +#ifdef FEAT_GUI_TABLINE +static void nv_tabline(cmdarg_T *cap); +static void nv_tabmenu(cmdarg_T *cap); +#endif +static void nv_exmode(cmdarg_T *cap); +static void nv_colon(cmdarg_T *cap); +static void nv_ctrlg(cmdarg_T *cap); +static void nv_ctrlh(cmdarg_T *cap); +static void nv_clear(cmdarg_T *cap); +static void nv_ctrlo(cmdarg_T *cap); +static void nv_hat(cmdarg_T *cap); +static void nv_Zet(cmdarg_T *cap); +static void nv_ident(cmdarg_T *cap); +static void nv_tagpop(cmdarg_T *cap); +static void nv_scroll(cmdarg_T *cap); +static void nv_right(cmdarg_T *cap); +static void nv_left(cmdarg_T *cap); +static void nv_up(cmdarg_T *cap); +static void nv_down(cmdarg_T *cap); +static void nv_end(cmdarg_T *cap); +static void nv_dollar(cmdarg_T *cap); +static void nv_search(cmdarg_T *cap); +static void nv_next(cmdarg_T *cap); +static int normal_search(cmdarg_T *cap, int dir, char_u *pat, int opt); +static void nv_csearch(cmdarg_T *cap); +static void nv_brackets(cmdarg_T *cap); +static void nv_percent(cmdarg_T *cap); +static void nv_brace(cmdarg_T *cap); +static void nv_mark(cmdarg_T *cap); +static void nv_findpar(cmdarg_T *cap); +static void nv_undo(cmdarg_T *cap); +static void nv_kundo(cmdarg_T *cap); +static void nv_Replace(cmdarg_T *cap); +static void nv_replace(cmdarg_T *cap); +static void nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos); +static void v_visop(cmdarg_T *cap); +static void nv_subst(cmdarg_T *cap); +static void nv_abbrev(cmdarg_T *cap); +static void nv_optrans(cmdarg_T *cap); +static void nv_gomark(cmdarg_T *cap); +static void nv_pcmark(cmdarg_T *cap); +static void nv_regname(cmdarg_T *cap); +static void nv_visual(cmdarg_T *cap); +static void n_start_visual_mode(int c); +static void nv_window(cmdarg_T *cap); +static void nv_suspend(cmdarg_T *cap); +static void nv_g_cmd(cmdarg_T *cap); +static void nv_dot(cmdarg_T *cap); +static void nv_redo(cmdarg_T *cap); +static void nv_Undo(cmdarg_T *cap); +static void nv_tilde(cmdarg_T *cap); +static void nv_operator(cmdarg_T *cap); +#ifdef FEAT_EVAL +static void set_op_var(int optype); +#endif +static void nv_lineop(cmdarg_T *cap); +static void nv_home(cmdarg_T *cap); +static void nv_pipe(cmdarg_T *cap); +static void nv_bck_word(cmdarg_T *cap); +static void nv_wordcmd(cmdarg_T *cap); +static void nv_beginline(cmdarg_T *cap); +static void adjust_cursor(oparg_T *oap); +static void adjust_for_sel(cmdarg_T *cap); +static int unadjust_for_sel(void); +static void nv_select(cmdarg_T *cap); +static void nv_goto(cmdarg_T *cap); +static void nv_normal(cmdarg_T *cap); +static void nv_esc(cmdarg_T *oap); +static void nv_edit(cmdarg_T *cap); +static void invoke_edit(cmdarg_T *cap, int repl, int cmd, int startln); +#ifdef FEAT_TEXTOBJ +static void nv_object(cmdarg_T *cap); +#endif +static void nv_record(cmdarg_T *cap); +static void nv_at(cmdarg_T *cap); +static void nv_halfpage(cmdarg_T *cap); +static void nv_join(cmdarg_T *cap); +static void nv_put(cmdarg_T *cap); +static void nv_open(cmdarg_T *cap); +#ifdef FEAT_NETBEANS_INTG +static void nv_nbcmd(cmdarg_T *cap); +#endif +#ifdef FEAT_DND +static void nv_drop(cmdarg_T *cap); +#endif +static void nv_cursorhold(cmdarg_T *cap); +static void get_op_vcol(oparg_T *oap, colnr_T col, int initial); + +static char *e_noident = N_("E349: No identifier under cursor"); + +/* + * Function to be called for a Normal or Visual mode command. + * The argument is a cmdarg_T. + */ +typedef void (*nv_func_T)(cmdarg_T *cap); + +/* Values for cmd_flags. */ +#define NV_NCH 0x01 /* may need to get a second char */ +#define NV_NCH_NOP (0x02|NV_NCH) /* get second char when no operator pending */ +#define NV_NCH_ALW (0x04|NV_NCH) /* always get a second char */ +#define NV_LANG 0x08 /* second char needs language adjustment */ + +#define NV_SS 0x10 /* may start selection */ +#define NV_SSS 0x20 /* may start selection with shift modifier */ +#define NV_STS 0x40 /* may stop selection without shift modif. */ +#define NV_RL 0x80 /* 'rightleft' modifies command */ +#define NV_KEEPREG 0x100 /* don't clear regname */ +#define NV_NCW 0x200 /* not allowed in command-line window */ + +/* + * Generally speaking, every Normal mode command should either clear any + * pending operator (with *clearop*()), or set the motion type variable + * oap->motion_type. + * + * When a cursor motion command is made, it is marked as being a character or + * line oriented motion. Then, if an operator is in effect, the operation + * becomes character or line oriented accordingly. + */ + +/* + * This table contains one entry for every Normal or Visual mode command. + * The order doesn't matter, init_normal_cmds() will create a sorted index. + * It is faster when all keys from zero to '~' are present. + */ +static const struct nv_cmd +{ + int cmd_char; /* (first) command character */ + nv_func_T cmd_func; /* function for this command */ + short_u cmd_flags; /* NV_ flags */ + short cmd_arg; /* value for ca.arg */ +} nv_cmds[] = +{ + {NUL, nv_error, 0, 0}, + {Ctrl_A, nv_addsub, 0, 0}, + {Ctrl_B, nv_page, NV_STS, BACKWARD}, + {Ctrl_C, nv_esc, 0, TRUE}, + {Ctrl_D, nv_halfpage, 0, 0}, + {Ctrl_E, nv_scroll_line, 0, TRUE}, + {Ctrl_F, nv_page, NV_STS, FORWARD}, + {Ctrl_G, nv_ctrlg, 0, 0}, + {Ctrl_H, nv_ctrlh, 0, 0}, + {Ctrl_I, nv_pcmark, 0, 0}, + {NL, nv_down, 0, FALSE}, + {Ctrl_K, nv_error, 0, 0}, + {Ctrl_L, nv_clear, 0, 0}, + {Ctrl_M, nv_down, 0, TRUE}, + {Ctrl_N, nv_down, NV_STS, FALSE}, + {Ctrl_O, nv_ctrlo, 0, 0}, + {Ctrl_P, nv_up, NV_STS, FALSE}, + {Ctrl_Q, nv_visual, 0, FALSE}, + {Ctrl_R, nv_redo, 0, 0}, + {Ctrl_S, nv_ignore, 0, 0}, + {Ctrl_T, nv_tagpop, NV_NCW, 0}, + {Ctrl_U, nv_halfpage, 0, 0}, + {Ctrl_V, nv_visual, 0, FALSE}, + {'V', nv_visual, 0, FALSE}, + {'v', nv_visual, 0, FALSE}, + {Ctrl_W, nv_window, 0, 0}, + {Ctrl_X, nv_addsub, 0, 0}, + {Ctrl_Y, nv_scroll_line, 0, FALSE}, + {Ctrl_Z, nv_suspend, 0, 0}, + {ESC, nv_esc, 0, FALSE}, + {Ctrl_BSL, nv_normal, NV_NCH_ALW, 0}, + {Ctrl_RSB, nv_ident, NV_NCW, 0}, + {Ctrl_HAT, nv_hat, NV_NCW, 0}, + {Ctrl__, nv_error, 0, 0}, + {' ', nv_right, 0, 0}, + {'!', nv_operator, 0, 0}, + {'"', nv_regname, NV_NCH_NOP|NV_KEEPREG, 0}, + {'#', nv_ident, 0, 0}, + {'$', nv_dollar, 0, 0}, + {'%', nv_percent, 0, 0}, + {'&', nv_optrans, 0, 0}, + {'\'', nv_gomark, NV_NCH_ALW, TRUE}, + {'(', nv_brace, 0, BACKWARD}, + {')', nv_brace, 0, FORWARD}, + {'*', nv_ident, 0, 0}, + {'+', nv_down, 0, TRUE}, + {',', nv_csearch, 0, TRUE}, + {'-', nv_up, 0, TRUE}, + {'.', nv_dot, NV_KEEPREG, 0}, + {'/', nv_search, 0, FALSE}, + {'0', nv_beginline, 0, 0}, + {'1', nv_ignore, 0, 0}, + {'2', nv_ignore, 0, 0}, + {'3', nv_ignore, 0, 0}, + {'4', nv_ignore, 0, 0}, + {'5', nv_ignore, 0, 0}, + {'6', nv_ignore, 0, 0}, + {'7', nv_ignore, 0, 0}, + {'8', nv_ignore, 0, 0}, + {'9', nv_ignore, 0, 0}, + {':', nv_colon, 0, 0}, + {';', nv_csearch, 0, FALSE}, + {'<', nv_operator, NV_RL, 0}, + {'=', nv_operator, 0, 0}, + {'>', nv_operator, NV_RL, 0}, + {'?', nv_search, 0, FALSE}, + {'@', nv_at, NV_NCH_NOP, FALSE}, + {'A', nv_edit, 0, 0}, + {'B', nv_bck_word, 0, 1}, + {'C', nv_abbrev, NV_KEEPREG, 0}, + {'D', nv_abbrev, NV_KEEPREG, 0}, + {'E', nv_wordcmd, 0, TRUE}, + {'F', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD}, + {'G', nv_goto, 0, TRUE}, + {'H', nv_scroll, 0, 0}, + {'I', nv_edit, 0, 0}, + {'J', nv_join, 0, 0}, + {'K', nv_ident, 0, 0}, + {'L', nv_scroll, 0, 0}, + {'M', nv_scroll, 0, 0}, + {'N', nv_next, 0, SEARCH_REV}, + {'O', nv_open, 0, 0}, + {'P', nv_put, 0, 0}, + {'Q', nv_exmode, NV_NCW, 0}, + {'R', nv_Replace, 0, FALSE}, + {'S', nv_subst, NV_KEEPREG, 0}, + {'T', nv_csearch, NV_NCH_ALW|NV_LANG, BACKWARD}, + {'U', nv_Undo, 0, 0}, + {'W', nv_wordcmd, 0, TRUE}, + {'X', nv_abbrev, NV_KEEPREG, 0}, + {'Y', nv_abbrev, NV_KEEPREG, 0}, + {'Z', nv_Zet, NV_NCH_NOP|NV_NCW, 0}, + {'[', nv_brackets, NV_NCH_ALW, BACKWARD}, + {'\\', nv_error, 0, 0}, + {']', nv_brackets, NV_NCH_ALW, FORWARD}, + {'^', nv_beginline, 0, BL_WHITE | BL_FIX}, + {'_', nv_lineop, 0, 0}, + {'`', nv_gomark, NV_NCH_ALW, FALSE}, + {'a', nv_edit, NV_NCH, 0}, + {'b', nv_bck_word, 0, 0}, + {'c', nv_operator, 0, 0}, + {'d', nv_operator, 0, 0}, + {'e', nv_wordcmd, 0, FALSE}, + {'f', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD}, + {'g', nv_g_cmd, NV_NCH_ALW, FALSE}, + {'h', nv_left, NV_RL, 0}, + {'i', nv_edit, NV_NCH, 0}, + {'j', nv_down, 0, FALSE}, + {'k', nv_up, 0, FALSE}, + {'l', nv_right, NV_RL, 0}, + {'m', nv_mark, NV_NCH_NOP, 0}, + {'n', nv_next, 0, 0}, + {'o', nv_open, 0, 0}, + {'p', nv_put, 0, 0}, + {'q', nv_record, NV_NCH, 0}, + {'r', nv_replace, NV_NCH_NOP|NV_LANG, 0}, + {'s', nv_subst, NV_KEEPREG, 0}, + {'t', nv_csearch, NV_NCH_ALW|NV_LANG, FORWARD}, + {'u', nv_undo, 0, 0}, + {'w', nv_wordcmd, 0, FALSE}, + {'x', nv_abbrev, NV_KEEPREG, 0}, + {'y', nv_operator, 0, 0}, + {'z', nv_zet, NV_NCH_ALW, 0}, + {'{', nv_findpar, 0, BACKWARD}, + {'|', nv_pipe, 0, 0}, + {'}', nv_findpar, 0, FORWARD}, + {'~', nv_tilde, 0, 0}, + + /* pound sign */ + {POUND, nv_ident, 0, 0}, +#ifdef FEAT_MOUSE + {K_MOUSEUP, nv_mousescroll, 0, MSCR_UP}, + {K_MOUSEDOWN, nv_mousescroll, 0, MSCR_DOWN}, + {K_MOUSELEFT, nv_mousescroll, 0, MSCR_LEFT}, + {K_MOUSERIGHT, nv_mousescroll, 0, MSCR_RIGHT}, + {K_LEFTMOUSE, nv_mouse, 0, 0}, + {K_LEFTMOUSE_NM, nv_mouse, 0, 0}, + {K_LEFTDRAG, nv_mouse, 0, 0}, + {K_LEFTRELEASE, nv_mouse, 0, 0}, + {K_LEFTRELEASE_NM, nv_mouse, 0, 0}, + {K_MOUSEMOVE, nv_mouse, 0, 0}, + {K_MIDDLEMOUSE, nv_mouse, 0, 0}, + {K_MIDDLEDRAG, nv_mouse, 0, 0}, + {K_MIDDLERELEASE, nv_mouse, 0, 0}, + {K_RIGHTMOUSE, nv_mouse, 0, 0}, + {K_RIGHTDRAG, nv_mouse, 0, 0}, + {K_RIGHTRELEASE, nv_mouse, 0, 0}, + {K_X1MOUSE, nv_mouse, 0, 0}, + {K_X1DRAG, nv_mouse, 0, 0}, + {K_X1RELEASE, nv_mouse, 0, 0}, + {K_X2MOUSE, nv_mouse, 0, 0}, + {K_X2DRAG, nv_mouse, 0, 0}, + {K_X2RELEASE, nv_mouse, 0, 0}, +#endif + {K_IGNORE, nv_ignore, NV_KEEPREG, 0}, + {K_NOP, nv_nop, 0, 0}, + {K_INS, nv_edit, 0, 0}, + {K_KINS, nv_edit, 0, 0}, + {K_BS, nv_ctrlh, 0, 0}, + {K_UP, nv_up, NV_SSS|NV_STS, FALSE}, + {K_S_UP, nv_page, NV_SS, BACKWARD}, + {K_DOWN, nv_down, NV_SSS|NV_STS, FALSE}, + {K_S_DOWN, nv_page, NV_SS, FORWARD}, + {K_LEFT, nv_left, NV_SSS|NV_STS|NV_RL, 0}, + {K_S_LEFT, nv_bck_word, NV_SS|NV_RL, 0}, + {K_C_LEFT, nv_bck_word, NV_SSS|NV_RL|NV_STS, 1}, + {K_RIGHT, nv_right, NV_SSS|NV_STS|NV_RL, 0}, + {K_S_RIGHT, nv_wordcmd, NV_SS|NV_RL, FALSE}, + {K_C_RIGHT, nv_wordcmd, NV_SSS|NV_RL|NV_STS, TRUE}, + {K_PAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD}, + {K_KPAGEUP, nv_page, NV_SSS|NV_STS, BACKWARD}, + {K_PAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD}, + {K_KPAGEDOWN, nv_page, NV_SSS|NV_STS, FORWARD}, + {K_END, nv_end, NV_SSS|NV_STS, FALSE}, + {K_KEND, nv_end, NV_SSS|NV_STS, FALSE}, + {K_S_END, nv_end, NV_SS, FALSE}, + {K_C_END, nv_end, NV_SSS|NV_STS, TRUE}, + {K_HOME, nv_home, NV_SSS|NV_STS, 0}, + {K_KHOME, nv_home, NV_SSS|NV_STS, 0}, + {K_S_HOME, nv_home, NV_SS, 0}, + {K_C_HOME, nv_goto, NV_SSS|NV_STS, FALSE}, + {K_DEL, nv_abbrev, 0, 0}, + {K_KDEL, nv_abbrev, 0, 0}, + {K_UNDO, nv_kundo, 0, 0}, + {K_HELP, nv_help, NV_NCW, 0}, + {K_F1, nv_help, NV_NCW, 0}, + {K_XF1, nv_help, NV_NCW, 0}, + {K_SELECT, nv_select, 0, 0}, +#ifdef FEAT_GUI + {K_VER_SCROLLBAR, nv_ver_scrollbar, 0, 0}, + {K_HOR_SCROLLBAR, nv_hor_scrollbar, 0, 0}, +#endif +#ifdef FEAT_GUI_TABLINE + {K_TABLINE, nv_tabline, 0, 0}, + {K_TABMENU, nv_tabmenu, 0, 0}, +#endif +#ifdef FEAT_FKMAP + {K_F8, farsi_f8, 0, 0}, + {K_F9, farsi_f9, 0, 0}, +#endif +#ifdef FEAT_NETBEANS_INTG + {K_F21, nv_nbcmd, NV_NCH_ALW, 0}, +#endif +#ifdef FEAT_DND + {K_DROP, nv_drop, NV_STS, 0}, +#endif + {K_CURSORHOLD, nv_cursorhold, NV_KEEPREG, 0}, + {K_PS, nv_edit, 0, 0}, +}; + +/* Number of commands in nv_cmds[]. */ +#define NV_CMDS_SIZE (sizeof(nv_cmds) / sizeof(struct nv_cmd)) + +/* Sorted index of commands in nv_cmds[]. */ +static short nv_cmd_idx[NV_CMDS_SIZE]; + +/* The highest index for which + * nv_cmds[idx].cmd_char == nv_cmd_idx[nv_cmds[idx].cmd_char] */ +static int nv_max_linear; + +/* + * Compare functions for qsort() below, that checks the command character + * through the index in nv_cmd_idx[]. + */ + static int +#ifdef __BORLANDC__ +_RTLENTRYF +#endif +nv_compare(const void *s1, const void *s2) +{ + int c1, c2; + + /* The commands are sorted on absolute value. */ + c1 = nv_cmds[*(const short *)s1].cmd_char; + c2 = nv_cmds[*(const short *)s2].cmd_char; + if (c1 < 0) + c1 = -c1; + if (c2 < 0) + c2 = -c2; + return c1 - c2; +} + +/* + * Initialize the nv_cmd_idx[] table. + */ + void +init_normal_cmds(void) +{ + int i; + + /* Fill the index table with a one to one relation. */ + for (i = 0; i < (int)NV_CMDS_SIZE; ++i) + nv_cmd_idx[i] = i; + + /* Sort the commands by the command character. */ + qsort((void *)&nv_cmd_idx, (size_t)NV_CMDS_SIZE, sizeof(short), nv_compare); + + /* Find the first entry that can't be indexed by the command character. */ + for (i = 0; i < (int)NV_CMDS_SIZE; ++i) + if (i != nv_cmds[nv_cmd_idx[i]].cmd_char) + break; + nv_max_linear = i - 1; +} + +/* + * Search for a command in the commands table. + * Returns -1 for invalid command. + */ + static int +find_command(int cmdchar) +{ + int i; + int idx; + int top, bot; + int c; + + /* A multi-byte character is never a command. */ + if (cmdchar >= 0x100) + return -1; + + /* We use the absolute value of the character. Special keys have a + * negative value, but are sorted on their absolute value. */ + if (cmdchar < 0) + cmdchar = -cmdchar; + + /* If the character is in the first part: The character is the index into + * nv_cmd_idx[]. */ + if (cmdchar <= nv_max_linear) + return nv_cmd_idx[cmdchar]; + + /* Perform a binary search. */ + bot = nv_max_linear + 1; + top = NV_CMDS_SIZE - 1; + idx = -1; + while (bot <= top) + { + i = (top + bot) / 2; + c = nv_cmds[nv_cmd_idx[i]].cmd_char; + if (c < 0) + c = -c; + if (cmdchar == c) + { + idx = nv_cmd_idx[i]; + break; + } + if (cmdchar > c) + bot = i + 1; + else + top = i - 1; + } + return idx; +} + +/* + * Execute a command in Normal mode. + */ + void +normal_cmd( + oparg_T *oap, + int toplevel UNUSED) /* TRUE when called from main() */ +{ + cmdarg_T ca; /* command arguments */ + int c; + int ctrl_w = FALSE; /* got CTRL-W command */ + int old_col = curwin->w_curswant; +#ifdef FEAT_CMDL_INFO + int need_flushbuf; /* need to call out_flush() */ +#endif + pos_T old_pos; /* cursor position before command */ + int mapped_len; + static int old_mapped_len = 0; + int idx; +#ifdef FEAT_EVAL + int set_prevcount = FALSE; +#endif + + vim_memset(&ca, 0, sizeof(ca)); /* also resets ca.retval */ + ca.oap = oap; + + /* Use a count remembered from before entering an operator. After typing + * "3d" we return from normal_cmd() and come back here, the "3" is + * remembered in "opcount". */ + ca.opcount = opcount; + + /* + * If there is an operator pending, then the command we take this time + * will terminate it. Finish_op tells us to finish the operation before + * returning this time (unless the operation was cancelled). + */ +#ifdef CURSOR_SHAPE + c = finish_op; +#endif + finish_op = (oap->op_type != OP_NOP); +#ifdef CURSOR_SHAPE + if (finish_op != c) + { + ui_cursor_shape(); /* may show different cursor shape */ +# ifdef FEAT_MOUSESHAPE + update_mouseshape(-1); +# endif + } +#endif + + /* When not finishing an operator and no register name typed, reset the + * count. */ + if (!finish_op && !oap->regname) + { + ca.opcount = 0; +#ifdef FEAT_EVAL + set_prevcount = TRUE; +#endif + } + + /* Restore counts from before receiving K_CURSORHOLD. This means after + * typing "3", handling K_CURSORHOLD and then typing "2" we get "32", not + * "3 * 2". */ + if (oap->prev_opcount > 0 || oap->prev_count0 > 0) + { + ca.opcount = oap->prev_opcount; + ca.count0 = oap->prev_count0; + oap->prev_opcount = 0; + oap->prev_count0 = 0; + } + + mapped_len = typebuf_maplen(); + + State = NORMAL_BUSY; +#ifdef USE_ON_FLY_SCROLL + dont_scroll = FALSE; /* allow scrolling here */ +#endif + +#ifdef FEAT_EVAL + /* Set v:count here, when called from main() and not a stuffed + * command, so that v:count can be used in an expression mapping + * when there is no count. Do set it for redo. */ + if (toplevel && readbuf1_empty()) + set_vcount_ca(&ca, &set_prevcount); +#endif + + /* + * Get the command character from the user. + */ + c = safe_vgetc(); + LANGMAP_ADJUST(c, get_real_state() != SELECTMODE); + + /* + * If a mapping was started in Visual or Select mode, remember the length + * of the mapping. This is used below to not return to Insert mode for as + * long as the mapping is being executed. + */ + if (restart_edit == 0) + old_mapped_len = 0; + else if (old_mapped_len + || (VIsual_active && mapped_len == 0 && typebuf_maplen() > 0)) + old_mapped_len = typebuf_maplen(); + + if (c == NUL) + c = K_ZERO; + + /* + * In Select mode, typed text replaces the selection. + */ + if (VIsual_active + && VIsual_select + && (vim_isprintc(c) || c == NL || c == CAR || c == K_KENTER)) + { + /* Fake a "c"hange command. When "restart_edit" is set (e.g., because + * 'insertmode' is set) fake a "d"elete command, Insert mode will + * restart automatically. + * Insert the typed character in the typeahead buffer, so that it can + * be mapped in Insert mode. Required for ":lmap" to work. */ + ins_char_typebuf(c); + if (restart_edit != 0) + c = 'd'; + else + c = 'c'; + msg_nowait = TRUE; /* don't delay going to insert mode */ + old_mapped_len = 0; /* do go to Insert mode */ + } + +#ifdef FEAT_CMDL_INFO + need_flushbuf = add_to_showcmd(c); +#endif + +getcount: + if (!(VIsual_active && VIsual_select)) + { + /* + * Handle a count before a command and compute ca.count0. + * Note that '0' is a command and not the start of a count, but it's + * part of a count after other digits. + */ + while ( (c >= '1' && c <= '9') + || (ca.count0 != 0 && (c == K_DEL || c == K_KDEL || c == '0'))) + { + if (c == K_DEL || c == K_KDEL) + { + ca.count0 /= 10; +#ifdef FEAT_CMDL_INFO + del_from_showcmd(4); /* delete the digit and ~@% */ +#endif + } + else + ca.count0 = ca.count0 * 10 + (c - '0'); + if (ca.count0 < 0) /* got too large! */ + ca.count0 = 999999999L; +#ifdef FEAT_EVAL + /* Set v:count here, when called from main() and not a stuffed + * command, so that v:count can be used in an expression mapping + * right after the count. Do set it for redo. */ + if (toplevel && readbuf1_empty()) + set_vcount_ca(&ca, &set_prevcount); +#endif + if (ctrl_w) + { + ++no_mapping; + ++allow_keys; /* no mapping for nchar, but keys */ + } + ++no_zero_mapping; /* don't map zero here */ + c = plain_vgetc(); + LANGMAP_ADJUST(c, TRUE); + --no_zero_mapping; + if (ctrl_w) + { + --no_mapping; + --allow_keys; + } +#ifdef FEAT_CMDL_INFO + need_flushbuf |= add_to_showcmd(c); +#endif + } + + /* + * If we got CTRL-W there may be a/another count + */ + if (c == Ctrl_W && !ctrl_w && oap->op_type == OP_NOP) + { + ctrl_w = TRUE; + ca.opcount = ca.count0; /* remember first count */ + ca.count0 = 0; + ++no_mapping; + ++allow_keys; /* no mapping for nchar, but keys */ + c = plain_vgetc(); /* get next character */ + LANGMAP_ADJUST(c, TRUE); + --no_mapping; + --allow_keys; +#ifdef FEAT_CMDL_INFO + need_flushbuf |= add_to_showcmd(c); +#endif + goto getcount; /* jump back */ + } + } + + if (c == K_CURSORHOLD) + { + /* Save the count values so that ca.opcount and ca.count0 are exactly + * the same when coming back here after handling K_CURSORHOLD. */ + oap->prev_opcount = ca.opcount; + oap->prev_count0 = ca.count0; + } + else if (ca.opcount != 0) + { + /* + * If we're in the middle of an operator (including after entering a + * yank buffer with '"') AND we had a count before the operator, then + * that count overrides the current value of ca.count0. + * What this means effectively, is that commands like "3dw" get turned + * into "d3w" which makes things fall into place pretty neatly. + * If you give a count before AND after the operator, they are + * multiplied. + */ + if (ca.count0) + ca.count0 *= ca.opcount; + else + ca.count0 = ca.opcount; + } + + /* + * Always remember the count. It will be set to zero (on the next call, + * above) when there is no pending operator. + * When called from main(), save the count for use by the "count" built-in + * variable. + */ + ca.opcount = ca.count0; + ca.count1 = (ca.count0 == 0 ? 1 : ca.count0); + +#ifdef FEAT_EVAL + /* + * Only set v:count when called from main() and not a stuffed command. + * Do set it for redo. + */ + if (toplevel && readbuf1_empty()) + set_vcount(ca.count0, ca.count1, set_prevcount); +#endif + + /* + * Find the command character in the table of commands. + * For CTRL-W we already got nchar when looking for a count. + */ + if (ctrl_w) + { + ca.nchar = c; + ca.cmdchar = Ctrl_W; + } + else + ca.cmdchar = c; + idx = find_command(ca.cmdchar); + if (idx < 0) + { + /* Not a known command: beep. */ + clearopbeep(oap); + goto normal_end; + } + + if (text_locked() && (nv_cmds[idx].cmd_flags & NV_NCW)) + { + /* This command is not allowed while editing a cmdline: beep. */ + clearopbeep(oap); + text_locked_msg(); + goto normal_end; + } + if ((nv_cmds[idx].cmd_flags & NV_NCW) && curbuf_locked()) + goto normal_end; + + /* + * In Visual/Select mode, a few keys are handled in a special way. + */ + if (VIsual_active) + { + /* when 'keymodel' contains "stopsel" may stop Select/Visual mode */ + if (km_stopsel + && (nv_cmds[idx].cmd_flags & NV_STS) + && !(mod_mask & MOD_MASK_SHIFT)) + { + end_visual_mode(); + redraw_curbuf_later(INVERTED); + } + + /* Keys that work different when 'keymodel' contains "startsel" */ + if (km_startsel) + { + if (nv_cmds[idx].cmd_flags & NV_SS) + { + unshift_special(&ca); + idx = find_command(ca.cmdchar); + if (idx < 0) + { + /* Just in case */ + clearopbeep(oap); + goto normal_end; + } + } + else if ((nv_cmds[idx].cmd_flags & NV_SSS) + && (mod_mask & MOD_MASK_SHIFT)) + { + mod_mask &= ~MOD_MASK_SHIFT; + } + } + } + +#ifdef FEAT_RIGHTLEFT + if (curwin->w_p_rl && KeyTyped && !KeyStuffed + && (nv_cmds[idx].cmd_flags & NV_RL)) + { + /* Invert horizontal movements and operations. Only when typed by the + * user directly, not when the result of a mapping or "x" translated + * to "dl". */ + switch (ca.cmdchar) + { + case 'l': ca.cmdchar = 'h'; break; + case K_RIGHT: ca.cmdchar = K_LEFT; break; + case K_S_RIGHT: ca.cmdchar = K_S_LEFT; break; + case K_C_RIGHT: ca.cmdchar = K_C_LEFT; break; + case 'h': ca.cmdchar = 'l'; break; + case K_LEFT: ca.cmdchar = K_RIGHT; break; + case K_S_LEFT: ca.cmdchar = K_S_RIGHT; break; + case K_C_LEFT: ca.cmdchar = K_C_RIGHT; break; + case '>': ca.cmdchar = '<'; break; + case '<': ca.cmdchar = '>'; break; + } + idx = find_command(ca.cmdchar); + } +#endif + + /* + * Get an additional character if we need one. + */ + if ((nv_cmds[idx].cmd_flags & NV_NCH) + && (((nv_cmds[idx].cmd_flags & NV_NCH_NOP) == NV_NCH_NOP + && oap->op_type == OP_NOP) + || (nv_cmds[idx].cmd_flags & NV_NCH_ALW) == NV_NCH_ALW + || (ca.cmdchar == 'q' + && oap->op_type == OP_NOP + && reg_recording == 0 + && reg_executing == 0) + || ((ca.cmdchar == 'a' || ca.cmdchar == 'i') + && (oap->op_type != OP_NOP || VIsual_active)))) + { + int *cp; + int repl = FALSE; /* get character for replace mode */ + int lit = FALSE; /* get extra character literally */ + int langmap_active = FALSE; /* using :lmap mappings */ + int lang; /* getting a text character */ +#ifdef HAVE_INPUT_METHOD + int save_smd; /* saved value of p_smd */ +#endif + + ++no_mapping; + ++allow_keys; /* no mapping for nchar, but allow key codes */ + /* Don't generate a CursorHold event here, most commands can't handle + * it, e.g., nv_replace(), nv_csearch(). */ + did_cursorhold = TRUE; + if (ca.cmdchar == 'g') + { + /* + * For 'g' get the next character now, so that we can check for + * "gr", "g'" and "g`". + */ + ca.nchar = plain_vgetc(); + LANGMAP_ADJUST(ca.nchar, TRUE); +#ifdef FEAT_CMDL_INFO + need_flushbuf |= add_to_showcmd(ca.nchar); +#endif + if (ca.nchar == 'r' || ca.nchar == '\'' || ca.nchar == '`' + || ca.nchar == Ctrl_BSL) + { + cp = &ca.extra_char; /* need to get a third character */ + if (ca.nchar != 'r') + lit = TRUE; /* get it literally */ + else + repl = TRUE; /* get it in replace mode */ + } + else + cp = NULL; /* no third character needed */ + } + else + { + if (ca.cmdchar == 'r') /* get it in replace mode */ + repl = TRUE; + cp = &ca.nchar; + } + lang = (repl || (nv_cmds[idx].cmd_flags & NV_LANG)); + + /* + * Get a second or third character. + */ + if (cp != NULL) + { +#ifdef CURSOR_SHAPE + if (repl) + { + State = REPLACE; /* pretend Replace mode */ + ui_cursor_shape(); /* show different cursor shape */ + } +#endif + if (lang && curbuf->b_p_iminsert == B_IMODE_LMAP) + { + /* Allow mappings defined with ":lmap". */ + --no_mapping; + --allow_keys; + if (repl) + State = LREPLACE; + else + State = LANGMAP; + langmap_active = TRUE; + } +#ifdef HAVE_INPUT_METHOD + save_smd = p_smd; + p_smd = FALSE; /* Don't let the IM code show the mode here */ + if (lang && curbuf->b_p_iminsert == B_IMODE_IM) + im_set_active(TRUE); +#endif + + *cp = plain_vgetc(); + + if (langmap_active) + { + /* Undo the decrement done above */ + ++no_mapping; + ++allow_keys; + State = NORMAL_BUSY; + } +#ifdef HAVE_INPUT_METHOD + if (lang) + { + if (curbuf->b_p_iminsert != B_IMODE_LMAP) + im_save_status(&curbuf->b_p_iminsert); + im_set_active(FALSE); + } + p_smd = save_smd; +#endif +#ifdef CURSOR_SHAPE + State = NORMAL_BUSY; +#endif +#ifdef FEAT_CMDL_INFO + need_flushbuf |= add_to_showcmd(*cp); +#endif + + if (!lit) + { +#ifdef FEAT_DIGRAPHS + /* Typing CTRL-K gets a digraph. */ + if (*cp == Ctrl_K + && ((nv_cmds[idx].cmd_flags & NV_LANG) + || cp == &ca.extra_char) + && vim_strchr(p_cpo, CPO_DIGRAPH) == NULL) + { + c = get_digraph(FALSE); + if (c > 0) + { + *cp = c; +# ifdef FEAT_CMDL_INFO + /* Guessing how to update showcmd here... */ + del_from_showcmd(3); + need_flushbuf |= add_to_showcmd(*cp); +# endif + } + } +#endif + + /* adjust chars > 127, except after "tTfFr" commands */ + LANGMAP_ADJUST(*cp, !lang); +#ifdef FEAT_RIGHTLEFT + /* adjust Hebrew mapped char */ + if (p_hkmap && lang && KeyTyped) + *cp = hkmap(*cp); +# ifdef FEAT_FKMAP + /* adjust Farsi mapped char */ + if (p_fkmap && lang && KeyTyped) + *cp = fkmap(*cp); +# endif +#endif + } + + /* + * When the next character is CTRL-\ a following CTRL-N means the + * command is aborted and we go to Normal mode. + */ + if (cp == &ca.extra_char + && ca.nchar == Ctrl_BSL + && (ca.extra_char == Ctrl_N || ca.extra_char == Ctrl_G)) + { + ca.cmdchar = Ctrl_BSL; + ca.nchar = ca.extra_char; + idx = find_command(ca.cmdchar); + } + else if ((ca.nchar == 'n' || ca.nchar == 'N') && ca.cmdchar == 'g') + ca.oap->op_type = get_op_type(*cp, NUL); + else if (*cp == Ctrl_BSL) + { + long towait = (p_ttm >= 0 ? p_ttm : p_tm); + + /* There is a busy wait here when typing "f<C-\>" and then + * something different from CTRL-N. Can't be avoided. */ + while ((c = vpeekc()) <= 0 && towait > 0L) + { + do_sleep(towait > 50L ? 50L : towait); + towait -= 50L; + } + if (c > 0) + { + c = plain_vgetc(); + if (c != Ctrl_N && c != Ctrl_G) + vungetc(c); + else + { + ca.cmdchar = Ctrl_BSL; + ca.nchar = c; + idx = find_command(ca.cmdchar); + } + } + } + + /* When getting a text character and the next character is a + * multi-byte character, it could be a composing character. + * However, don't wait for it to arrive. Also, do enable mapping, + * because if it's put back with vungetc() it's too late to apply + * mapping. */ + --no_mapping; + while (enc_utf8 && lang && (c = vpeekc()) > 0 + && (c >= 0x100 || MB_BYTE2LEN(vpeekc()) > 1)) + { + c = plain_vgetc(); + if (!utf_iscomposing(c)) + { + vungetc(c); /* it wasn't, put it back */ + break; + } + else if (ca.ncharC1 == 0) + ca.ncharC1 = c; + else + ca.ncharC2 = c; + } + ++no_mapping; + } + --no_mapping; + --allow_keys; + } + +#ifdef FEAT_CMDL_INFO + /* + * Flush the showcmd characters onto the screen so we can see them while + * the command is being executed. Only do this when the shown command was + * actually displayed, otherwise this will slow down a lot when executing + * mappings. + */ + if (need_flushbuf) + out_flush(); +#endif + if (ca.cmdchar != K_IGNORE) + did_cursorhold = FALSE; + + State = NORMAL; + + if (ca.nchar == ESC) + { + clearop(oap); + if (restart_edit == 0 && goto_im()) + restart_edit = 'a'; + goto normal_end; + } + + if (ca.cmdchar != K_IGNORE) + { + msg_didout = FALSE; /* don't scroll screen up for normal command */ + msg_col = 0; + } + + old_pos = curwin->w_cursor; /* remember where cursor was */ + + /* When 'keymodel' contains "startsel" some keys start Select/Visual + * mode. */ + if (!VIsual_active && km_startsel) + { + if (nv_cmds[idx].cmd_flags & NV_SS) + { + start_selection(); + unshift_special(&ca); + idx = find_command(ca.cmdchar); + } + else if ((nv_cmds[idx].cmd_flags & NV_SSS) + && (mod_mask & MOD_MASK_SHIFT)) + { + start_selection(); + mod_mask &= ~MOD_MASK_SHIFT; + } + } + + /* + * Execute the command! + * Call the command function found in the commands table. + */ + ca.arg = nv_cmds[idx].cmd_arg; + (nv_cmds[idx].cmd_func)(&ca); + + /* + * If we didn't start or finish an operator, reset oap->regname, unless we + * need it later. + */ + if (!finish_op + && !oap->op_type + && (idx < 0 || !(nv_cmds[idx].cmd_flags & NV_KEEPREG))) + { + clearop(oap); +#ifdef FEAT_EVAL + { + int regname = 0; + + /* Adjust the register according to 'clipboard', so that when + * "unnamed" is present it becomes '*' or '+' instead of '"'. */ +# ifdef FEAT_CLIPBOARD + adjust_clip_reg(®name); +# endif + set_reg_var(regname); + } +#endif + } + + /* Get the length of mapped chars again after typing a count, second + * character or "z333<cr>". */ + if (old_mapped_len > 0) + old_mapped_len = typebuf_maplen(); + + /* + * If an operation is pending, handle it... + */ + do_pending_operator(&ca, old_col, FALSE); + + /* + * Wait for a moment when a message is displayed that will be overwritten + * by the mode message. + * In Visual mode and with "^O" in Insert mode, a short message will be + * overwritten by the mode message. Wait a bit, until a key is hit. + * In Visual mode, it's more important to keep the Visual area updated + * than keeping a message (e.g. from a /pat search). + * Only do this if the command was typed, not from a mapping. + * Don't wait when emsg_silent is non-zero. + * Also wait a bit after an error message, e.g. for "^O:". + * Don't redraw the screen, it would remove the message. + */ + if ( ((p_smd + && msg_silent == 0 + && (restart_edit != 0 + || (VIsual_active + && old_pos.lnum == curwin->w_cursor.lnum + && old_pos.col == curwin->w_cursor.col) + ) + && (clear_cmdline + || redraw_cmdline) + && (msg_didout || (msg_didany && msg_scroll)) + && !msg_nowait + && KeyTyped) + || (restart_edit != 0 + && !VIsual_active + && (msg_scroll + || emsg_on_display))) + && oap->regname == 0 + && !(ca.retval & CA_COMMAND_BUSY) + && stuff_empty() + && typebuf_typed() + && emsg_silent == 0 + && !did_wait_return + && oap->op_type == OP_NOP) + { + int save_State = State; + + /* Draw the cursor with the right shape here */ + if (restart_edit != 0) + State = INSERT; + + /* If need to redraw, and there is a "keep_msg", redraw before the + * delay */ + if (must_redraw && keep_msg != NULL && !emsg_on_display) + { + char_u *kmsg; + + kmsg = keep_msg; + keep_msg = NULL; + /* showmode() will clear keep_msg, but we want to use it anyway */ + update_screen(0); + /* now reset it, otherwise it's put in the history again */ + keep_msg = kmsg; + msg_attr((char *)kmsg, keep_msg_attr); + vim_free(kmsg); + } + setcursor(); + cursor_on(); + out_flush(); + if (msg_scroll || emsg_on_display) + ui_delay(1000L, TRUE); /* wait at least one second */ + ui_delay(3000L, FALSE); /* wait up to three seconds */ + State = save_State; + + msg_scroll = FALSE; + emsg_on_display = FALSE; + } + + /* + * Finish up after executing a Normal mode command. + */ +normal_end: + + msg_nowait = FALSE; + + /* Reset finish_op, in case it was set */ +#ifdef CURSOR_SHAPE + c = finish_op; +#endif + finish_op = FALSE; +#ifdef CURSOR_SHAPE + /* Redraw the cursor with another shape, if we were in Operator-pending + * mode or did a replace command. */ + if (c || ca.cmdchar == 'r') + { + ui_cursor_shape(); /* may show different cursor shape */ +# ifdef FEAT_MOUSESHAPE + update_mouseshape(-1); +# endif + } +#endif + +#ifdef FEAT_CMDL_INFO + if (oap->op_type == OP_NOP && oap->regname == 0 + && ca.cmdchar != K_CURSORHOLD) + clear_showcmd(); +#endif + + checkpcmark(); /* check if we moved since setting pcmark */ + vim_free(ca.searchbuf); + + if (has_mbyte) + mb_adjust_cursor(); + + if (curwin->w_p_scb && toplevel) + { + validate_cursor(); /* may need to update w_leftcol */ + do_check_scrollbind(TRUE); + } + + if (curwin->w_p_crb && toplevel) + { + validate_cursor(); /* may need to update w_leftcol */ + do_check_cursorbind(); + } + +#ifdef FEAT_TERMINAL + /* don't go to Insert mode if a terminal has a running job */ + if (term_job_running(curbuf->b_term)) + restart_edit = 0; +#endif + + /* + * May restart edit(), if we got here with CTRL-O in Insert mode (but not + * if still inside a mapping that started in Visual mode). + * May switch from Visual to Select mode after CTRL-O command. + */ + if ( oap->op_type == OP_NOP + && ((restart_edit != 0 && !VIsual_active && old_mapped_len == 0) + || restart_VIsual_select == 1) + && !(ca.retval & CA_COMMAND_BUSY) + && stuff_empty() + && oap->regname == 0) + { + if (restart_VIsual_select == 1) + { + VIsual_select = TRUE; + showmode(); + restart_VIsual_select = 0; + } + if (restart_edit != 0 && !VIsual_active && old_mapped_len == 0) + (void)edit(restart_edit, FALSE, 1L); + } + + if (restart_VIsual_select == 2) + restart_VIsual_select = 1; + + /* Save count before an operator for next time. */ + opcount = ca.opcount; +} + +#ifdef FEAT_EVAL +/* + * Set v:count and v:count1 according to "cap". + * Set v:prevcount only when "set_prevcount" is TRUE. + */ + static void +set_vcount_ca(cmdarg_T *cap, int *set_prevcount) +{ + long count = cap->count0; + + /* multiply with cap->opcount the same way as above */ + if (cap->opcount != 0) + count = cap->opcount * (count == 0 ? 1 : count); + set_vcount(count, count == 0 ? 1 : count, *set_prevcount); + *set_prevcount = FALSE; /* only set v:prevcount once */ +} +#endif + +/* + * Handle an operator after Visual mode or when the movement is finished. + * "gui_yank" is true when yanking text for the clipboard. + */ + void +do_pending_operator(cmdarg_T *cap, int old_col, int gui_yank) +{ + oparg_T *oap = cap->oap; + pos_T old_cursor; + int empty_region_error; + int restart_edit_save; +#ifdef FEAT_LINEBREAK + int lbr_saved = curwin->w_p_lbr; +#endif + + /* The visual area is remembered for redo */ + static int redo_VIsual_mode = NUL; /* 'v', 'V', or Ctrl-V */ + static linenr_T redo_VIsual_line_count; /* number of lines */ + static colnr_T redo_VIsual_vcol; /* number of cols or end column */ + static long redo_VIsual_count; /* count for Visual operator */ + static int redo_VIsual_arg; /* extra argument */ + int include_line_break = FALSE; + +#if defined(FEAT_CLIPBOARD) + /* + * Yank the visual area into the GUI selection register before we operate + * on it and lose it forever. + * Don't do it if a specific register was specified, so that ""x"*P works. + * This could call do_pending_operator() recursively, but that's OK + * because gui_yank will be TRUE for the nested call. + */ + if ((clip_star.available || clip_plus.available) + && oap->op_type != OP_NOP + && !gui_yank + && VIsual_active + && !redo_VIsual_busy + && oap->regname == 0) + clip_auto_select(); +#endif + old_cursor = curwin->w_cursor; + + /* + * If an operation is pending, handle it... + */ + if ((finish_op || VIsual_active) && oap->op_type != OP_NOP) + { + // Yank can be redone when 'y' is in 'cpoptions', but not when yanking + // for the clipboard. + int redo_yank = vim_strchr(p_cpo, CPO_YANK) != NULL && !gui_yank; + +#ifdef FEAT_LINEBREAK + /* Avoid a problem with unwanted linebreaks in block mode. */ + if (curwin->w_p_lbr) + curwin->w_valid &= ~VALID_VIRTCOL; + curwin->w_p_lbr = FALSE; +#endif + oap->is_VIsual = VIsual_active; + if (oap->motion_force == 'V') + oap->motion_type = MLINE; + else if (oap->motion_force == 'v') + { + /* If the motion was linewise, "inclusive" will not have been set. + * Use "exclusive" to be consistent. Makes "dvj" work nice. */ + if (oap->motion_type == MLINE) + oap->inclusive = FALSE; + /* If the motion already was characterwise, toggle "inclusive" */ + else if (oap->motion_type == MCHAR) + oap->inclusive = !oap->inclusive; + oap->motion_type = MCHAR; + } + else if (oap->motion_force == Ctrl_V) + { + /* Change line- or characterwise motion into Visual block mode. */ + if (!VIsual_active) + { + VIsual_active = TRUE; + VIsual = oap->start; + } + VIsual_mode = Ctrl_V; + VIsual_select = FALSE; + VIsual_reselect = FALSE; + } + + /* Only redo yank when 'y' flag is in 'cpoptions'. */ + /* Never redo "zf" (define fold). */ + if ((redo_yank || oap->op_type != OP_YANK) + && ((!VIsual_active || oap->motion_force) + /* Also redo Operator-pending Visual mode mappings */ + || (VIsual_active && cap->cmdchar == ':' + && oap->op_type != OP_COLON)) + && cap->cmdchar != 'D' +#ifdef FEAT_FOLDING + && oap->op_type != OP_FOLD + && oap->op_type != OP_FOLDOPEN + && oap->op_type != OP_FOLDOPENREC + && oap->op_type != OP_FOLDCLOSE + && oap->op_type != OP_FOLDCLOSEREC + && oap->op_type != OP_FOLDDEL + && oap->op_type != OP_FOLDDELREC +#endif + ) + { + prep_redo(oap->regname, cap->count0, + get_op_char(oap->op_type), get_extra_op_char(oap->op_type), + oap->motion_force, cap->cmdchar, cap->nchar); + if (cap->cmdchar == '/' || cap->cmdchar == '?') /* was a search */ + { + /* + * If 'cpoptions' does not contain 'r', insert the search + * pattern to really repeat the same command. + */ + if (vim_strchr(p_cpo, CPO_REDO) == NULL) + AppendToRedobuffLit(cap->searchbuf, -1); + AppendToRedobuff(NL_STR); + } + else if (cap->cmdchar == ':') + { + /* do_cmdline() has stored the first typed line in + * "repeat_cmdline". When several lines are typed repeating + * won't be possible. */ + if (repeat_cmdline == NULL) + ResetRedobuff(); + else + { + AppendToRedobuffLit(repeat_cmdline, -1); + AppendToRedobuff(NL_STR); + VIM_CLEAR(repeat_cmdline); + } + } + } + + if (redo_VIsual_busy) + { + /* Redo of an operation on a Visual area. Use the same size from + * redo_VIsual_line_count and redo_VIsual_vcol. */ + oap->start = curwin->w_cursor; + curwin->w_cursor.lnum += redo_VIsual_line_count - 1; + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + VIsual_mode = redo_VIsual_mode; + if (redo_VIsual_vcol == MAXCOL || VIsual_mode == 'v') + { + if (VIsual_mode == 'v') + { + if (redo_VIsual_line_count <= 1) + { + validate_virtcol(); + curwin->w_curswant = + curwin->w_virtcol + redo_VIsual_vcol - 1; + } + else + curwin->w_curswant = redo_VIsual_vcol; + } + else + { + curwin->w_curswant = MAXCOL; + } + coladvance(curwin->w_curswant); + } + cap->count0 = redo_VIsual_count; + if (redo_VIsual_count != 0) + cap->count1 = redo_VIsual_count; + else + cap->count1 = 1; + } + else if (VIsual_active) + { + if (!gui_yank) + { + /* Save the current VIsual area for '< and '> marks, and "gv" */ + curbuf->b_visual.vi_start = VIsual; + curbuf->b_visual.vi_end = curwin->w_cursor; + curbuf->b_visual.vi_mode = VIsual_mode; + if (VIsual_mode_orig != NUL) + { + curbuf->b_visual.vi_mode = VIsual_mode_orig; + VIsual_mode_orig = NUL; + } + curbuf->b_visual.vi_curswant = curwin->w_curswant; +# ifdef FEAT_EVAL + curbuf->b_visual_mode_eval = VIsual_mode; +# endif + } + + /* In Select mode, a linewise selection is operated upon like a + * characterwise selection. + * Special case: gH<Del> deletes the last line. */ + if (VIsual_select && VIsual_mode == 'V' + && cap->oap->op_type != OP_DELETE) + { + if (LT_POS(VIsual, curwin->w_cursor)) + { + VIsual.col = 0; + curwin->w_cursor.col = + (colnr_T)STRLEN(ml_get(curwin->w_cursor.lnum)); + } + else + { + curwin->w_cursor.col = 0; + VIsual.col = (colnr_T)STRLEN(ml_get(VIsual.lnum)); + } + VIsual_mode = 'v'; + } + /* If 'selection' is "exclusive", backup one character for + * charwise selections. */ + else if (VIsual_mode == 'v') + include_line_break = unadjust_for_sel(); + + oap->start = VIsual; + if (VIsual_mode == 'V') + { + oap->start.col = 0; + oap->start.coladd = 0; + } + } + + /* + * Set oap->start to the first position of the operated text, oap->end + * to the end of the operated text. w_cursor is equal to oap->start. + */ + if (LT_POS(oap->start, curwin->w_cursor)) + { +#ifdef FEAT_FOLDING + /* Include folded lines completely. */ + if (!VIsual_active) + { + if (hasFolding(oap->start.lnum, &oap->start.lnum, NULL)) + oap->start.col = 0; + if (hasFolding(curwin->w_cursor.lnum, NULL, + &curwin->w_cursor.lnum)) + curwin->w_cursor.col = (colnr_T)STRLEN(ml_get_curline()); + } +#endif + oap->end = curwin->w_cursor; + curwin->w_cursor = oap->start; + + /* w_virtcol may have been updated; if the cursor goes back to its + * previous position w_virtcol becomes invalid and isn't updated + * automatically. */ + curwin->w_valid &= ~VALID_VIRTCOL; + } + else + { +#ifdef FEAT_FOLDING + /* Include folded lines completely. */ + if (!VIsual_active && oap->motion_type == MLINE) + { + if (hasFolding(curwin->w_cursor.lnum, &curwin->w_cursor.lnum, + NULL)) + curwin->w_cursor.col = 0; + if (hasFolding(oap->start.lnum, NULL, &oap->start.lnum)) + oap->start.col = (colnr_T)STRLEN(ml_get(oap->start.lnum)); + } +#endif + oap->end = oap->start; + oap->start = curwin->w_cursor; + } + + /* Just in case lines were deleted that make the position invalid. */ + check_pos(curwin->w_buffer, &oap->end); + oap->line_count = oap->end.lnum - oap->start.lnum + 1; + + /* Set "virtual_op" before resetting VIsual_active. */ + virtual_op = virtual_active(); + + if (VIsual_active || redo_VIsual_busy) + { + get_op_vcol(oap, redo_VIsual_vcol, TRUE); + + if (!redo_VIsual_busy && !gui_yank) + { + /* + * Prepare to reselect and redo Visual: this is based on the + * size of the Visual text + */ + resel_VIsual_mode = VIsual_mode; + if (curwin->w_curswant == MAXCOL) + resel_VIsual_vcol = MAXCOL; + else + { + if (VIsual_mode != Ctrl_V) + getvvcol(curwin, &(oap->end), + NULL, NULL, &oap->end_vcol); + if (VIsual_mode == Ctrl_V || oap->line_count <= 1) + { + if (VIsual_mode != Ctrl_V) + getvvcol(curwin, &(oap->start), + &oap->start_vcol, NULL, NULL); + resel_VIsual_vcol = oap->end_vcol - oap->start_vcol + 1; + } + else + resel_VIsual_vcol = oap->end_vcol; + } + resel_VIsual_line_count = oap->line_count; + } + + /* can't redo yank (unless 'y' is in 'cpoptions') and ":" */ + if ((redo_yank || oap->op_type != OP_YANK) + && oap->op_type != OP_COLON +#ifdef FEAT_FOLDING + && oap->op_type != OP_FOLD + && oap->op_type != OP_FOLDOPEN + && oap->op_type != OP_FOLDOPENREC + && oap->op_type != OP_FOLDCLOSE + && oap->op_type != OP_FOLDCLOSEREC + && oap->op_type != OP_FOLDDEL + && oap->op_type != OP_FOLDDELREC +#endif + && oap->motion_force == NUL + ) + { + /* Prepare for redoing. Only use the nchar field for "r", + * otherwise it might be the second char of the operator. */ + if (cap->cmdchar == 'g' && (cap->nchar == 'n' + || cap->nchar == 'N')) + prep_redo(oap->regname, cap->count0, + get_op_char(oap->op_type), get_extra_op_char(oap->op_type), + oap->motion_force, cap->cmdchar, cap->nchar); + else if (cap->cmdchar != ':') + { + int nchar = oap->op_type == OP_REPLACE ? cap->nchar : NUL; + + /* reverse what nv_replace() did */ + if (nchar == REPLACE_CR_NCHAR) + nchar = CAR; + else if (nchar == REPLACE_NL_NCHAR) + nchar = NL; + prep_redo(oap->regname, 0L, NUL, 'v', + get_op_char(oap->op_type), + get_extra_op_char(oap->op_type), + nchar); + } + if (!redo_VIsual_busy) + { + redo_VIsual_mode = resel_VIsual_mode; + redo_VIsual_vcol = resel_VIsual_vcol; + redo_VIsual_line_count = resel_VIsual_line_count; + redo_VIsual_count = cap->count0; + redo_VIsual_arg = cap->arg; + } + } + + /* + * oap->inclusive defaults to TRUE. + * If oap->end is on a NUL (empty line) oap->inclusive becomes + * FALSE. This makes "d}P" and "v}dP" work the same. + */ + if (oap->motion_force == NUL || oap->motion_type == MLINE) + oap->inclusive = TRUE; + if (VIsual_mode == 'V') + oap->motion_type = MLINE; + else + { + oap->motion_type = MCHAR; + if (VIsual_mode != Ctrl_V && *ml_get_pos(&(oap->end)) == NUL + && (include_line_break || !virtual_op)) + { + oap->inclusive = FALSE; + /* Try to include the newline, unless it's an operator + * that works on lines only. */ + if (*p_sel != 'o' + && !op_on_lines(oap->op_type) + && oap->end.lnum < curbuf->b_ml.ml_line_count) + { + ++oap->end.lnum; + oap->end.col = 0; + oap->end.coladd = 0; + ++oap->line_count; + } + } + } + + redo_VIsual_busy = FALSE; + + /* + * Switch Visual off now, so screen updating does + * not show inverted text when the screen is redrawn. + * With OP_YANK and sometimes with OP_COLON and OP_FILTER there is + * no screen redraw, so it is done here to remove the inverted + * part. + */ + if (!gui_yank) + { + VIsual_active = FALSE; +#ifdef FEAT_MOUSE + setmouse(); + mouse_dragging = 0; +#endif + may_clear_cmdline(); + if ((oap->op_type == OP_YANK + || oap->op_type == OP_COLON + || oap->op_type == OP_FUNCTION + || oap->op_type == OP_FILTER) + && oap->motion_force == NUL) + { +#ifdef FEAT_LINEBREAK + /* make sure redrawing is correct */ + curwin->w_p_lbr = lbr_saved; +#endif + redraw_curbuf_later(INVERTED); + } + } + } + + /* Include the trailing byte of a multi-byte char. */ + if (has_mbyte && oap->inclusive) + { + int l; + + l = (*mb_ptr2len)(ml_get_pos(&oap->end)); + if (l > 1) + oap->end.col += l - 1; + } + curwin->w_set_curswant = TRUE; + + /* + * oap->empty is set when start and end are the same. The inclusive + * flag affects this too, unless yanking and the end is on a NUL. + */ + oap->empty = (oap->motion_type == MCHAR + && (!oap->inclusive + || (oap->op_type == OP_YANK + && gchar_pos(&oap->end) == NUL)) + && EQUAL_POS(oap->start, oap->end) + && !(virtual_op && oap->start.coladd != oap->end.coladd)); + /* + * For delete, change and yank, it's an error to operate on an + * empty region, when 'E' included in 'cpoptions' (Vi compatible). + */ + empty_region_error = (oap->empty + && vim_strchr(p_cpo, CPO_EMPTYREGION) != NULL); + + /* Force a redraw when operating on an empty Visual region, when + * 'modifiable is off or creating a fold. */ + if (oap->is_VIsual && (oap->empty || !curbuf->b_p_ma +#ifdef FEAT_FOLDING + || oap->op_type == OP_FOLD +#endif + )) + { +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif + redraw_curbuf_later(INVERTED); + } + + /* + * If the end of an operator is in column one while oap->motion_type + * is MCHAR and oap->inclusive is FALSE, we put op_end after the last + * character in the previous line. If op_start is on or before the + * first non-blank in the line, the operator becomes linewise + * (strange, but that's the way vi does it). + */ + if ( oap->motion_type == MCHAR + && oap->inclusive == FALSE + && !(cap->retval & CA_NO_ADJ_OP_END) + && oap->end.col == 0 + && (!oap->is_VIsual || *p_sel == 'o') + && !oap->block_mode + && oap->line_count > 1) + { + oap->end_adjusted = TRUE; /* remember that we did this */ + --oap->line_count; + --oap->end.lnum; + if (inindent(0)) + oap->motion_type = MLINE; + else + { + oap->end.col = (colnr_T)STRLEN(ml_get(oap->end.lnum)); + if (oap->end.col) + { + --oap->end.col; + oap->inclusive = TRUE; + } + } + } + else + oap->end_adjusted = FALSE; + + switch (oap->op_type) + { + case OP_LSHIFT: + case OP_RSHIFT: + op_shift(oap, TRUE, oap->is_VIsual ? (int)cap->count1 : 1); + auto_format(FALSE, TRUE); + break; + + case OP_JOIN_NS: + case OP_JOIN: + if (oap->line_count < 2) + oap->line_count = 2; + if (curwin->w_cursor.lnum + oap->line_count - 1 > + curbuf->b_ml.ml_line_count) + beep_flush(); + else + { + (void)do_join(oap->line_count, oap->op_type == OP_JOIN, + TRUE, TRUE, TRUE); + auto_format(FALSE, TRUE); + } + break; + + case OP_DELETE: + VIsual_reselect = FALSE; /* don't reselect now */ + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + (void)op_delete(oap); + if (oap->motion_type == MLINE && has_format_option(FO_AUTO)) + u_save_cursor(); /* cursor line wasn't saved yet */ + auto_format(FALSE, TRUE); + } + break; + + case OP_YANK: + if (empty_region_error) + { + if (!gui_yank) + { + vim_beep(BO_OPER); + CancelRedo(); + } + } + else + { +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif + (void)op_yank(oap, FALSE, !gui_yank); + } + check_cursor_col(); + break; + + case OP_CHANGE: + VIsual_reselect = FALSE; /* don't reselect now */ + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + /* This is a new edit command, not a restart. Need to + * remember it to make 'insertmode' work with mappings for + * Visual mode. But do this only once and not when typed and + * 'insertmode' isn't set. */ + if (p_im || !KeyTyped) + restart_edit_save = restart_edit; + else + restart_edit_save = 0; + restart_edit = 0; +#ifdef FEAT_LINEBREAK + /* Restore linebreak, so that when the user edits it looks as + * before. */ + if (curwin->w_p_lbr != lbr_saved) + { + curwin->w_p_lbr = lbr_saved; + get_op_vcol(oap, redo_VIsual_mode, FALSE); + } +#endif + /* Reset finish_op now, don't want it set inside edit(). */ + finish_op = FALSE; + if (op_change(oap)) /* will call edit() */ + cap->retval |= CA_COMMAND_BUSY; + if (restart_edit == 0) + restart_edit = restart_edit_save; + } + break; + + case OP_FILTER: + if (vim_strchr(p_cpo, CPO_FILTER) != NULL) + AppendToRedobuff((char_u *)"!\r"); /* use any last used !cmd */ + else + bangredo = TRUE; /* do_bang() will put cmd in redo buffer */ + /* FALLTHROUGH */ + + case OP_INDENT: + case OP_COLON: + +#if defined(FEAT_LISP) || defined(FEAT_CINDENT) + /* + * If 'equalprg' is empty, do the indenting internally. + */ + if (oap->op_type == OP_INDENT && *get_equalprg() == NUL) + { +# ifdef FEAT_LISP + if (curbuf->b_p_lisp) + { + op_reindent(oap, get_lisp_indent); + break; + } +# endif +# ifdef FEAT_CINDENT + op_reindent(oap, +# ifdef FEAT_EVAL + *curbuf->b_p_inde != NUL ? get_expr_indent : +# endif + get_c_indent); + break; +# endif + } +#endif + + op_colon(oap); + break; + + case OP_TILDE: + case OP_UPPER: + case OP_LOWER: + case OP_ROT13: + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + op_tilde(oap); + check_cursor_col(); + break; + + case OP_FORMAT: +#if defined(FEAT_EVAL) + if (*curbuf->b_p_fex != NUL) + op_formatexpr(oap); /* use expression */ + else +#endif + if (*p_fp != NUL || *curbuf->b_p_fp != NUL) + op_colon(oap); /* use external command */ + else + op_format(oap, FALSE); /* use internal function */ + break; + + case OP_FORMAT2: + op_format(oap, TRUE); /* use internal function */ + break; + + case OP_FUNCTION: +#ifdef FEAT_LINEBREAK + /* Restore linebreak, so that when the user edits it looks as + * before. */ + curwin->w_p_lbr = lbr_saved; +#endif + op_function(oap); /* call 'operatorfunc' */ + break; + + case OP_INSERT: + case OP_APPEND: + VIsual_reselect = FALSE; /* don't reselect now */ + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + /* This is a new edit command, not a restart. Need to + * remember it to make 'insertmode' work with mappings for + * Visual mode. But do this only once. */ + restart_edit_save = restart_edit; + restart_edit = 0; +#ifdef FEAT_LINEBREAK + /* Restore linebreak, so that when the user edits it looks as + * before. */ + if (curwin->w_p_lbr != lbr_saved) + { + curwin->w_p_lbr = lbr_saved; + get_op_vcol(oap, redo_VIsual_mode, FALSE); + } +#endif + op_insert(oap, cap->count1); +#ifdef FEAT_LINEBREAK + /* Reset linebreak, so that formatting works correctly. */ + curwin->w_p_lbr = FALSE; +#endif + + /* TODO: when inserting in several lines, should format all + * the lines. */ + auto_format(FALSE, TRUE); + + if (restart_edit == 0) + restart_edit = restart_edit_save; + else + cap->retval |= CA_COMMAND_BUSY; + } + break; + + case OP_REPLACE: + VIsual_reselect = FALSE; /* don't reselect now */ + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { +#ifdef FEAT_LINEBREAK + /* Restore linebreak, so that when the user edits it looks as + * before. */ + if (curwin->w_p_lbr != lbr_saved) + { + curwin->w_p_lbr = lbr_saved; + get_op_vcol(oap, redo_VIsual_mode, FALSE); + } +#endif + op_replace(oap, cap->nchar); + } + break; + +#ifdef FEAT_FOLDING + case OP_FOLD: + VIsual_reselect = FALSE; /* don't reselect now */ + foldCreate(oap->start.lnum, oap->end.lnum); + break; + + case OP_FOLDOPEN: + case OP_FOLDOPENREC: + case OP_FOLDCLOSE: + case OP_FOLDCLOSEREC: + VIsual_reselect = FALSE; /* don't reselect now */ + opFoldRange(oap->start.lnum, oap->end.lnum, + oap->op_type == OP_FOLDOPEN + || oap->op_type == OP_FOLDOPENREC, + oap->op_type == OP_FOLDOPENREC + || oap->op_type == OP_FOLDCLOSEREC, + oap->is_VIsual); + break; + + case OP_FOLDDEL: + case OP_FOLDDELREC: + VIsual_reselect = FALSE; /* don't reselect now */ + deleteFold(oap->start.lnum, oap->end.lnum, + oap->op_type == OP_FOLDDELREC, oap->is_VIsual); + break; +#endif + case OP_NR_ADD: + case OP_NR_SUB: + if (empty_region_error) + { + vim_beep(BO_OPER); + CancelRedo(); + } + else + { + VIsual_active = TRUE; +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif + op_addsub(oap, cap->count1, redo_VIsual_arg); + VIsual_active = FALSE; + } + check_cursor_col(); + break; + default: + clearopbeep(oap); + } + virtual_op = MAYBE; + if (!gui_yank) + { + /* + * if 'sol' not set, go back to old column for some commands + */ + if (!p_sol && oap->motion_type == MLINE && !oap->end_adjusted + && (oap->op_type == OP_LSHIFT || oap->op_type == OP_RSHIFT + || oap->op_type == OP_DELETE)) + { +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = FALSE; +#endif + coladvance(curwin->w_curswant = old_col); + } + } + else + { + curwin->w_cursor = old_cursor; + } + oap->block_mode = FALSE; + clearop(oap); + motion_force = NUL; + } +#ifdef FEAT_LINEBREAK + curwin->w_p_lbr = lbr_saved; +#endif +} + +/* + * Handle indent and format operators and visual mode ":". + */ + static void +op_colon(oparg_T *oap) +{ + stuffcharReadbuff(':'); + if (oap->is_VIsual) + stuffReadbuff((char_u *)"'<,'>"); + else + { + /* + * Make the range look nice, so it can be repeated. + */ + if (oap->start.lnum == curwin->w_cursor.lnum) + stuffcharReadbuff('.'); + else + stuffnumReadbuff((long)oap->start.lnum); + if (oap->end.lnum != oap->start.lnum) + { + stuffcharReadbuff(','); + if (oap->end.lnum == curwin->w_cursor.lnum) + stuffcharReadbuff('.'); + else if (oap->end.lnum == curbuf->b_ml.ml_line_count) + stuffcharReadbuff('$'); + else if (oap->start.lnum == curwin->w_cursor.lnum) + { + stuffReadbuff((char_u *)".+"); + stuffnumReadbuff((long)oap->line_count - 1); + } + else + stuffnumReadbuff((long)oap->end.lnum); + } + } + if (oap->op_type != OP_COLON) + stuffReadbuff((char_u *)"!"); + if (oap->op_type == OP_INDENT) + { +#ifndef FEAT_CINDENT + if (*get_equalprg() == NUL) + stuffReadbuff((char_u *)"indent"); + else +#endif + stuffReadbuff(get_equalprg()); + stuffReadbuff((char_u *)"\n"); + } + else if (oap->op_type == OP_FORMAT) + { + if (*curbuf->b_p_fp != NUL) + stuffReadbuff(curbuf->b_p_fp); + else if (*p_fp != NUL) + stuffReadbuff(p_fp); + else + stuffReadbuff((char_u *)"fmt"); + stuffReadbuff((char_u *)"\n']"); + } + + /* + * do_cmdline() does the rest + */ +} + +/* + * Handle the "g@" operator: call 'operatorfunc'. + */ + static void +op_function(oparg_T *oap UNUSED) +{ +#ifdef FEAT_EVAL + typval_T argv[2]; + int save_virtual_op = virtual_op; + + if (*p_opfunc == NUL) + emsg(_("E774: 'operatorfunc' is empty")); + else + { + /* Set '[ and '] marks to text to be operated on. */ + curbuf->b_op_start = oap->start; + curbuf->b_op_end = oap->end; + if (oap->motion_type != MLINE && !oap->inclusive) + /* Exclude the end position. */ + decl(&curbuf->b_op_end); + + argv[0].v_type = VAR_STRING; + if (oap->block_mode) + argv[0].vval.v_string = (char_u *)"block"; + else if (oap->motion_type == MLINE) + argv[0].vval.v_string = (char_u *)"line"; + else + argv[0].vval.v_string = (char_u *)"char"; + argv[1].v_type = VAR_UNKNOWN; + + /* Reset virtual_op so that 'virtualedit' can be changed in the + * function. */ + virtual_op = MAYBE; + + (void)call_func_retnr(p_opfunc, 1, argv); + + virtual_op = save_virtual_op; + } +#else + emsg(_("E775: Eval feature not available")); +#endif +} + +#if defined(FEAT_MOUSE) || defined(PROTO) +/* + * Do the appropriate action for the current mouse click in the current mode. + * Not used for Command-line mode. + * + * Normal and Visual Mode: + * event modi- position visual change action + * fier cursor window + * left press - yes end yes + * left press C yes end yes "^]" (2) + * left press S yes end (popup: extend) yes "*" (2) + * left drag - yes start if moved no + * left relse - yes start if moved no + * middle press - yes if not active no put register + * middle press - yes if active no yank and put + * right press - yes start or extend yes + * right press S yes no change yes "#" (2) + * right drag - yes extend no + * right relse - yes extend no + * + * Insert or Replace Mode: + * event modi- position visual change action + * fier cursor window + * left press - yes (cannot be active) yes + * left press C yes (cannot be active) yes "CTRL-O^]" (2) + * left press S yes (cannot be active) yes "CTRL-O*" (2) + * left drag - yes start or extend (1) no CTRL-O (1) + * left relse - yes start or extend (1) no CTRL-O (1) + * middle press - no (cannot be active) no put register + * right press - yes start or extend yes CTRL-O + * right press S yes (cannot be active) yes "CTRL-O#" (2) + * + * (1) only if mouse pointer moved since press + * (2) only if click is in same buffer + * + * Return TRUE if start_arrow() should be called for edit mode. + */ + int +do_mouse( + oparg_T *oap, /* operator argument, can be NULL */ + int c, /* K_LEFTMOUSE, etc */ + int dir, /* Direction to 'put' if necessary */ + long count, + int fixindent) /* PUT_FIXINDENT if fixing indent necessary */ +{ + static int do_always = FALSE; /* ignore 'mouse' setting next time */ + static int got_click = FALSE; /* got a click some time back */ + + int which_button; /* MOUSE_LEFT, _MIDDLE or _RIGHT */ + int is_click; /* If FALSE it's a drag or release event */ + int is_drag; /* If TRUE it's a drag event */ + int jump_flags = 0; /* flags for jump_to_mouse() */ + pos_T start_visual; + int moved; /* Has cursor moved? */ + int in_status_line; /* mouse in status line */ + static int in_tab_line = FALSE; /* mouse clicked in tab line */ + int in_sep_line; /* mouse in vertical separator line */ + int c1, c2; +#if defined(FEAT_FOLDING) + pos_T save_cursor; +#endif + win_T *old_curwin = curwin; + static pos_T orig_cursor; + colnr_T leftcol, rightcol; + pos_T end_visual; + int diff; + int old_active = VIsual_active; + int old_mode = VIsual_mode; + int regname; + +#if defined(FEAT_FOLDING) + save_cursor = curwin->w_cursor; +#endif + + /* + * When GUI is active, always recognize mouse events, otherwise: + * - Ignore mouse event in normal mode if 'mouse' doesn't include 'n'. + * - Ignore mouse event in visual mode if 'mouse' doesn't include 'v'. + * - For command line and insert mode 'mouse' is checked before calling + * do_mouse(). + */ + if (do_always) + do_always = FALSE; + else +#ifdef FEAT_GUI + if (!gui.in_use) +#endif + { + if (VIsual_active) + { + if (!mouse_has(MOUSE_VISUAL)) + return FALSE; + } + else if (State == NORMAL && !mouse_has(MOUSE_NORMAL)) + return FALSE; + } + + for (;;) + { + which_button = get_mouse_button(KEY2TERMCAP1(c), &is_click, &is_drag); + if (is_drag) + { + /* If the next character is the same mouse event then use that + * one. Speeds up dragging the status line. */ + if (vpeekc() != NUL) + { + int nc; + int save_mouse_row = mouse_row; + int save_mouse_col = mouse_col; + + /* Need to get the character, peeking doesn't get the actual + * one. */ + nc = safe_vgetc(); + if (c == nc) + continue; + vungetc(nc); + mouse_row = save_mouse_row; + mouse_col = save_mouse_col; + } + } + break; + } + + if (c == K_MOUSEMOVE) + { + /* Mouse moved without a button pressed. */ +#ifdef FEAT_BEVAL_TERM + ui_may_remove_balloon(); + if (p_bevalterm && !VIsual_active) + { + profile_setlimit(p_bdlay, &bevalexpr_due); + bevalexpr_due_set = TRUE; + } +#endif + return FALSE; + } + +#ifdef FEAT_MOUSESHAPE + /* May have stopped dragging the status or separator line. The pointer is + * most likely still on the status or separator line. */ + if (!is_drag && drag_status_line) + { + drag_status_line = FALSE; + update_mouseshape(SHAPE_IDX_STATUS); + } + if (!is_drag && drag_sep_line) + { + drag_sep_line = FALSE; + update_mouseshape(SHAPE_IDX_VSEP); + } +#endif + + /* + * Ignore drag and release events if we didn't get a click. + */ + if (is_click) + got_click = TRUE; + else + { + if (!got_click) /* didn't get click, ignore */ + return FALSE; + if (!is_drag) /* release, reset got_click */ + { + got_click = FALSE; + if (in_tab_line) + { + in_tab_line = FALSE; + return FALSE; + } + } + } + + /* + * CTRL right mouse button does CTRL-T + */ + if (is_click && (mod_mask & MOD_MASK_CTRL) && which_button == MOUSE_RIGHT) + { + if (State & INSERT) + stuffcharReadbuff(Ctrl_O); + if (count > 1) + stuffnumReadbuff(count); + stuffcharReadbuff(Ctrl_T); + got_click = FALSE; /* ignore drag&release now */ + return FALSE; + } + + /* + * CTRL only works with left mouse button + */ + if ((mod_mask & MOD_MASK_CTRL) && which_button != MOUSE_LEFT) + return FALSE; + + /* + * When a modifier is down, ignore drag and release events, as well as + * multiple clicks and the middle mouse button. + * Accept shift-leftmouse drags when 'mousemodel' is "popup.*". + */ + if ((mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL | MOD_MASK_ALT + | MOD_MASK_META)) + && (!is_click + || (mod_mask & MOD_MASK_MULTI_CLICK) + || which_button == MOUSE_MIDDLE) + && !((mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT)) + && mouse_model_popup() + && which_button == MOUSE_LEFT) + && !((mod_mask & MOD_MASK_ALT) + && !mouse_model_popup() + && which_button == MOUSE_RIGHT) + ) + return FALSE; + + /* + * If the button press was used as the movement command for an operator + * (eg "d<MOUSE>"), or it is the middle button that is held down, ignore + * drag/release events. + */ + if (!is_click && which_button == MOUSE_MIDDLE) + return FALSE; + + if (oap != NULL) + regname = oap->regname; + else + regname = 0; + + /* + * Middle mouse button does a 'put' of the selected text + */ + if (which_button == MOUSE_MIDDLE) + { + if (State == NORMAL) + { + /* + * If an operator was pending, we don't know what the user wanted + * to do. Go back to normal mode: Clear the operator and beep(). + */ + if (oap != NULL && oap->op_type != OP_NOP) + { + clearopbeep(oap); + return FALSE; + } + + /* + * If visual was active, yank the highlighted text and put it + * before the mouse pointer position. + * In Select mode replace the highlighted text with the clipboard. + */ + if (VIsual_active) + { + if (VIsual_select) + { + stuffcharReadbuff(Ctrl_G); + stuffReadbuff((char_u *)"\"+p"); + } + else + { + stuffcharReadbuff('y'); + stuffcharReadbuff(K_MIDDLEMOUSE); + } + do_always = TRUE; /* ignore 'mouse' setting next time */ + return FALSE; + } + /* + * The rest is below jump_to_mouse() + */ + } + + else if ((State & INSERT) == 0) + return FALSE; + + /* + * Middle click in insert mode doesn't move the mouse, just insert the + * contents of a register. '.' register is special, can't insert that + * with do_put(). + * Also paste at the cursor if the current mode isn't in 'mouse' (only + * happens for the GUI). + */ + if ((State & INSERT) || !mouse_has(MOUSE_NORMAL)) + { + if (regname == '.') + insert_reg(regname, TRUE); + else + { +#ifdef FEAT_CLIPBOARD + if (clip_star.available && regname == 0) + regname = '*'; +#endif + if ((State & REPLACE_FLAG) && !yank_register_mline(regname)) + insert_reg(regname, TRUE); + else + { + do_put(regname, BACKWARD, 1L, fixindent | PUT_CURSEND); + + /* Repeat it with CTRL-R CTRL-O r or CTRL-R CTRL-P r */ + AppendCharToRedobuff(Ctrl_R); + AppendCharToRedobuff(fixindent ? Ctrl_P : Ctrl_O); + AppendCharToRedobuff(regname == 0 ? '"' : regname); + } + } + return FALSE; + } + } + + /* When dragging or button-up stay in the same window. */ + if (!is_click) + jump_flags |= MOUSE_FOCUS | MOUSE_DID_MOVE; + + start_visual.lnum = 0; + + /* Check for clicking in the tab page line. */ + if (mouse_row == 0 && firstwin->w_winrow > 0) + { + if (is_drag) + { + if (in_tab_line) + { + c1 = TabPageIdxs[mouse_col]; + tabpage_move(c1 <= 0 ? 9999 : c1 < tabpage_index(curtab) + ? c1 - 1 : c1); + } + return FALSE; + } + + /* click in a tab selects that tab page */ + if (is_click +# ifdef FEAT_CMDWIN + && cmdwin_type == 0 +# endif + && mouse_col < Columns) + { + in_tab_line = TRUE; + c1 = TabPageIdxs[mouse_col]; + if (c1 >= 0) + { + if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) + { + /* double click opens new page */ + end_visual_mode(); + tabpage_new(); + tabpage_move(c1 == 0 ? 9999 : c1 - 1); + } + else + { + /* Go to specified tab page, or next one if not clicking + * on a label. */ + goto_tabpage(c1); + + /* It's like clicking on the status line of a window. */ + if (curwin != old_curwin) + end_visual_mode(); + } + } + else + { + tabpage_T *tp; + + /* Close the current or specified tab page. */ + if (c1 == -999) + tp = curtab; + else + tp = find_tabpage(-c1); + if (tp == curtab) + { + if (first_tabpage->tp_next != NULL) + tabpage_close(FALSE); + } + else if (tp != NULL) + tabpage_close_other(tp, FALSE); + } + } + return TRUE; + } + else if (is_drag && in_tab_line) + { + c1 = TabPageIdxs[mouse_col]; + tabpage_move(c1 <= 0 ? 9999 : c1 - 1); + return FALSE; + } + + /* + * When 'mousemodel' is "popup" or "popup_setpos", translate mouse events: + * right button up -> pop-up menu + * shift-left button -> right button + * alt-left button -> alt-right button + */ + if (mouse_model_popup()) + { + if (which_button == MOUSE_RIGHT + && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))) + { +#if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \ + || defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) \ + || defined(FEAT_GUI_MAC) || defined(FEAT_GUI_PHOTON) \ + || defined(FEAT_TERM_POPUP_MENU) +# ifdef FEAT_GUI + if (gui.in_use) + { +# if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_GTK) \ + || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) + if (!is_click) + /* Ignore right button release events, only shows the popup + * menu on the button down event. */ + return FALSE; +# endif +# if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MSWIN) + if (is_click || is_drag) + /* Ignore right button down and drag mouse events. Windows + * only shows the popup menu on the button up event. */ + return FALSE; +# endif + } +# endif +# if defined(FEAT_GUI) && defined(FEAT_TERM_POPUP_MENU) + else +# endif +# if defined(FEAT_TERM_POPUP_MENU) + if (!is_click) + /* Ignore right button release events, only shows the popup + * menu on the button down event. */ + return FALSE; +#endif + + jump_flags = 0; + if (STRCMP(p_mousem, "popup_setpos") == 0) + { + /* First set the cursor position before showing the popup + * menu. */ + if (VIsual_active) + { + pos_T m_pos; + + /* + * set MOUSE_MAY_STOP_VIS if we are outside the + * selection or the current window (might have false + * negative here) + */ + if (mouse_row < curwin->w_winrow + || mouse_row + > (curwin->w_winrow + curwin->w_height)) + jump_flags = MOUSE_MAY_STOP_VIS; + else if (get_fpos_of_mouse(&m_pos) != IN_BUFFER) + jump_flags = MOUSE_MAY_STOP_VIS; + else + { + if ((LT_POS(curwin->w_cursor, VIsual) + && (LT_POS(m_pos, curwin->w_cursor) + || LT_POS(VIsual, m_pos))) + || (LT_POS(VIsual, curwin->w_cursor) + && (LT_POS(m_pos, VIsual) + || LT_POS(curwin->w_cursor, m_pos)))) + { + jump_flags = MOUSE_MAY_STOP_VIS; + } + else if (VIsual_mode == Ctrl_V) + { + getvcols(curwin, &curwin->w_cursor, &VIsual, + &leftcol, &rightcol); + getvcol(curwin, &m_pos, NULL, &m_pos.col, NULL); + if (m_pos.col < leftcol || m_pos.col > rightcol) + jump_flags = MOUSE_MAY_STOP_VIS; + } + } + } + else + jump_flags = MOUSE_MAY_STOP_VIS; + } + if (jump_flags) + { + jump_flags = jump_to_mouse(jump_flags, NULL, which_button); + update_curbuf(VIsual_active ? INVERTED : VALID); + setcursor(); + out_flush(); /* Update before showing popup menu */ + } +# ifdef FEAT_MENU + show_popupmenu(); + got_click = FALSE; /* ignore release events */ +# endif + return (jump_flags & CURSOR_MOVED) != 0; +#else + return FALSE; +#endif + } + if (which_button == MOUSE_LEFT + && (mod_mask & (MOD_MASK_SHIFT|MOD_MASK_ALT))) + { + which_button = MOUSE_RIGHT; + mod_mask &= ~MOD_MASK_SHIFT; + } + } + + if ((State & (NORMAL | INSERT)) + && !(mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL))) + { + if (which_button == MOUSE_LEFT) + { + if (is_click) + { + /* stop Visual mode for a left click in a window, but not when + * on a status line */ + if (VIsual_active) + jump_flags |= MOUSE_MAY_STOP_VIS; + } + else if (mouse_has(MOUSE_VISUAL)) + jump_flags |= MOUSE_MAY_VIS; + } + else if (which_button == MOUSE_RIGHT) + { + if (is_click && VIsual_active) + { + /* + * Remember the start and end of visual before moving the + * cursor. + */ + if (LT_POS(curwin->w_cursor, VIsual)) + { + start_visual = curwin->w_cursor; + end_visual = VIsual; + } + else + { + start_visual = VIsual; + end_visual = curwin->w_cursor; + } + } + jump_flags |= MOUSE_FOCUS; + if (mouse_has(MOUSE_VISUAL)) + jump_flags |= MOUSE_MAY_VIS; + } + } + + /* + * If an operator is pending, ignore all drags and releases until the + * next mouse click. + */ + if (!is_drag && oap != NULL && oap->op_type != OP_NOP) + { + got_click = FALSE; + oap->motion_type = MCHAR; + } + + /* When releasing the button let jump_to_mouse() know. */ + if (!is_click && !is_drag) + jump_flags |= MOUSE_RELEASED; + + /* + * JUMP! + */ + jump_flags = jump_to_mouse(jump_flags, + oap == NULL ? NULL : &(oap->inclusive), which_button); + +#ifdef FEAT_MENU + /* A click in the window toolbar has no side effects. */ + if (jump_flags & MOUSE_WINBAR) + return FALSE; +#endif + moved = (jump_flags & CURSOR_MOVED); + in_status_line = (jump_flags & IN_STATUS_LINE); + in_sep_line = (jump_flags & IN_SEP_LINE); + +#ifdef FEAT_NETBEANS_INTG + if (isNetbeansBuffer(curbuf) + && !(jump_flags & (IN_STATUS_LINE | IN_SEP_LINE))) + { + int key = KEY2TERMCAP1(c); + + if (key == (int)KE_LEFTRELEASE || key == (int)KE_MIDDLERELEASE + || key == (int)KE_RIGHTRELEASE) + netbeans_button_release(which_button); + } +#endif + + /* When jumping to another window, clear a pending operator. That's a bit + * friendlier than beeping and not jumping to that window. */ + if (curwin != old_curwin && oap != NULL && oap->op_type != OP_NOP) + clearop(oap); + +#ifdef FEAT_FOLDING + if (mod_mask == 0 + && !is_drag + && (jump_flags & (MOUSE_FOLD_CLOSE | MOUSE_FOLD_OPEN)) + && which_button == MOUSE_LEFT) + { + /* open or close a fold at this line */ + if (jump_flags & MOUSE_FOLD_OPEN) + openFold(curwin->w_cursor.lnum, 1L); + else + closeFold(curwin->w_cursor.lnum, 1L); + /* don't move the cursor if still in the same window */ + if (curwin == old_curwin) + curwin->w_cursor = save_cursor; + } +#endif + +#if defined(FEAT_CLIPBOARD) && defined(FEAT_CMDWIN) + if ((jump_flags & IN_OTHER_WIN) && !VIsual_active && clip_star.available) + { + clip_modeless(which_button, is_click, is_drag); + return FALSE; + } +#endif + + /* Set global flag that we are extending the Visual area with mouse + * dragging; temporarily minimize 'scrolloff'. */ + if (VIsual_active && is_drag && get_scrolloff_value()) + { + /* In the very first line, allow scrolling one line */ + if (mouse_row == 0) + mouse_dragging = 2; + else + mouse_dragging = 1; + } + + /* When dragging the mouse above the window, scroll down. */ + if (is_drag && mouse_row < 0 && !in_status_line) + { + scroll_redraw(FALSE, 1L); + mouse_row = 0; + } + + if (start_visual.lnum) /* right click in visual mode */ + { + /* When ALT is pressed make Visual mode blockwise. */ + if (mod_mask & MOD_MASK_ALT) + VIsual_mode = Ctrl_V; + + /* + * In Visual-block mode, divide the area in four, pick up the corner + * that is in the quarter that the cursor is in. + */ + if (VIsual_mode == Ctrl_V) + { + getvcols(curwin, &start_visual, &end_visual, &leftcol, &rightcol); + if (curwin->w_curswant > (leftcol + rightcol) / 2) + end_visual.col = leftcol; + else + end_visual.col = rightcol; + if (curwin->w_cursor.lnum >= + (start_visual.lnum + end_visual.lnum) / 2) + end_visual.lnum = start_visual.lnum; + + /* move VIsual to the right column */ + start_visual = curwin->w_cursor; /* save the cursor pos */ + curwin->w_cursor = end_visual; + coladvance(end_visual.col); + VIsual = curwin->w_cursor; + curwin->w_cursor = start_visual; /* restore the cursor */ + } + else + { + /* + * If the click is before the start of visual, change the start. + * If the click is after the end of visual, change the end. If + * the click is inside the visual, change the closest side. + */ + if (LT_POS(curwin->w_cursor, start_visual)) + VIsual = end_visual; + else if (LT_POS(end_visual, curwin->w_cursor)) + VIsual = start_visual; + else + { + /* In the same line, compare column number */ + if (end_visual.lnum == start_visual.lnum) + { + if (curwin->w_cursor.col - start_visual.col > + end_visual.col - curwin->w_cursor.col) + VIsual = start_visual; + else + VIsual = end_visual; + } + + /* In different lines, compare line number */ + else + { + diff = (curwin->w_cursor.lnum - start_visual.lnum) - + (end_visual.lnum - curwin->w_cursor.lnum); + + if (diff > 0) /* closest to end */ + VIsual = start_visual; + else if (diff < 0) /* closest to start */ + VIsual = end_visual; + else /* in the middle line */ + { + if (curwin->w_cursor.col < + (start_visual.col + end_visual.col) / 2) + VIsual = end_visual; + else + VIsual = start_visual; + } + } + } + } + } + /* + * If Visual mode started in insert mode, execute "CTRL-O" + */ + else if ((State & INSERT) && VIsual_active) + stuffcharReadbuff(Ctrl_O); + + /* + * Middle mouse click: Put text before cursor. + */ + if (which_button == MOUSE_MIDDLE) + { +#ifdef FEAT_CLIPBOARD + if (clip_star.available && regname == 0) + regname = '*'; +#endif + if (yank_register_mline(regname)) + { + if (mouse_past_bottom) + dir = FORWARD; + } + else if (mouse_past_eol) + dir = FORWARD; + + if (fixindent) + { + c1 = (dir == BACKWARD) ? '[' : ']'; + c2 = 'p'; + } + else + { + c1 = (dir == FORWARD) ? 'p' : 'P'; + c2 = NUL; + } + prep_redo(regname, count, NUL, c1, NUL, c2, NUL); + + /* + * Remember where the paste started, so in edit() Insstart can be set + * to this position + */ + if (restart_edit != 0) + where_paste_started = curwin->w_cursor; + do_put(regname, dir, count, fixindent | PUT_CURSEND); + } + +#if defined(FEAT_QUICKFIX) + /* + * Ctrl-Mouse click or double click in a quickfix window jumps to the + * error under the mouse pointer. + */ + else if (((mod_mask & MOD_MASK_CTRL) + || (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) + && bt_quickfix(curbuf)) + { + if (curwin->w_llist_ref == NULL) /* quickfix window */ + do_cmdline_cmd((char_u *)".cc"); + else /* location list window */ + do_cmdline_cmd((char_u *)".ll"); + got_click = FALSE; /* ignore drag&release now */ + } +#endif + + /* + * Ctrl-Mouse click (or double click in a help window) jumps to the tag + * under the mouse pointer. + */ + else if ((mod_mask & MOD_MASK_CTRL) || (curbuf->b_help + && (mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK)) + { + if (State & INSERT) + stuffcharReadbuff(Ctrl_O); + stuffcharReadbuff(Ctrl_RSB); + got_click = FALSE; /* ignore drag&release now */ + } + + /* + * Shift-Mouse click searches for the next occurrence of the word under + * the mouse pointer + */ + else if ((mod_mask & MOD_MASK_SHIFT)) + { + if ((State & INSERT) || (VIsual_active && VIsual_select)) + stuffcharReadbuff(Ctrl_O); + if (which_button == MOUSE_LEFT) + stuffcharReadbuff('*'); + else /* MOUSE_RIGHT */ + stuffcharReadbuff('#'); + } + + /* Handle double clicks, unless on status line */ + else if (in_status_line) + { +#ifdef FEAT_MOUSESHAPE + if ((is_drag || is_click) && !drag_status_line) + { + drag_status_line = TRUE; + update_mouseshape(-1); + } +#endif + } + else if (in_sep_line) + { +#ifdef FEAT_MOUSESHAPE + if ((is_drag || is_click) && !drag_sep_line) + { + drag_sep_line = TRUE; + update_mouseshape(-1); + } +#endif + } + else if ((mod_mask & MOD_MASK_MULTI_CLICK) && (State & (NORMAL | INSERT)) + && mouse_has(MOUSE_VISUAL)) + { + if (is_click || !VIsual_active) + { + if (VIsual_active) + orig_cursor = VIsual; + else + { + check_visual_highlight(); + VIsual = curwin->w_cursor; + orig_cursor = VIsual; + VIsual_active = TRUE; + VIsual_reselect = TRUE; + /* start Select mode if 'selectmode' contains "mouse" */ + may_start_select('o'); + setmouse(); + } + if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) + { + /* Double click with ALT pressed makes it blockwise. */ + if (mod_mask & MOD_MASK_ALT) + VIsual_mode = Ctrl_V; + else + VIsual_mode = 'v'; + } + else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_3CLICK) + VIsual_mode = 'V'; + else if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_4CLICK) + VIsual_mode = Ctrl_V; +#ifdef FEAT_CLIPBOARD + /* Make sure the clipboard gets updated. Needed because start and + * end may still be the same, and the selection needs to be owned */ + clip_star.vmode = NUL; +#endif + } + /* + * A double click selects a word or a block. + */ + if ((mod_mask & MOD_MASK_MULTI_CLICK) == MOD_MASK_2CLICK) + { + pos_T *pos = NULL; + int gc; + + if (is_click) + { + /* If the character under the cursor (skipping white space) is + * not a word character, try finding a match and select a (), + * {}, [], #if/#endif, etc. block. */ + end_visual = curwin->w_cursor; + while (gc = gchar_pos(&end_visual), VIM_ISWHITE(gc)) + inc(&end_visual); + if (oap != NULL) + oap->motion_type = MCHAR; + if (oap != NULL + && VIsual_mode == 'v' + && !vim_iswordc(gchar_pos(&end_visual)) + && EQUAL_POS(curwin->w_cursor, VIsual) + && (pos = findmatch(oap, NUL)) != NULL) + { + curwin->w_cursor = *pos; + if (oap->motion_type == MLINE) + VIsual_mode = 'V'; + else if (*p_sel == 'e') + { + if (LT_POS(curwin->w_cursor, VIsual)) + ++VIsual.col; + else + ++curwin->w_cursor.col; + } + } + } + + if (pos == NULL && (is_click || is_drag)) + { + /* When not found a match or when dragging: extend to include + * a word. */ + if (LT_POS(curwin->w_cursor, orig_cursor)) + { + find_start_of_word(&curwin->w_cursor); + find_end_of_word(&VIsual); + } + else + { + find_start_of_word(&VIsual); + if (*p_sel == 'e' && *ml_get_cursor() != NUL) + curwin->w_cursor.col += + (*mb_ptr2len)(ml_get_cursor()); + find_end_of_word(&curwin->w_cursor); + } + } + curwin->w_set_curswant = TRUE; + } + if (is_click) + redraw_curbuf_later(INVERTED); /* update the inversion */ + } + else if (VIsual_active && !old_active) + { + if (mod_mask & MOD_MASK_ALT) + VIsual_mode = Ctrl_V; + else + VIsual_mode = 'v'; + } + + /* If Visual mode changed show it later. */ + if ((!VIsual_active && old_active && mode_displayed) + || (VIsual_active && p_smd && msg_silent == 0 + && (!old_active || VIsual_mode != old_mode))) + redraw_cmdline = TRUE; + + return moved; +} + +/* + * Move "pos" back to the start of the word it's in. + */ + static void +find_start_of_word(pos_T *pos) +{ + char_u *line; + int cclass; + int col; + + line = ml_get(pos->lnum); + cclass = get_mouse_class(line + pos->col); + + while (pos->col > 0) + { + col = pos->col - 1; + col -= (*mb_head_off)(line, line + col); + if (get_mouse_class(line + col) != cclass) + break; + pos->col = col; + } +} + +/* + * Move "pos" forward to the end of the word it's in. + * When 'selection' is "exclusive", the position is just after the word. + */ + static void +find_end_of_word(pos_T *pos) +{ + char_u *line; + int cclass; + int col; + + line = ml_get(pos->lnum); + if (*p_sel == 'e' && pos->col > 0) + { + --pos->col; + pos->col -= (*mb_head_off)(line, line + pos->col); + } + cclass = get_mouse_class(line + pos->col); + while (line[pos->col] != NUL) + { + col = pos->col + (*mb_ptr2len)(line + pos->col); + if (get_mouse_class(line + col) != cclass) + { + if (*p_sel == 'e') + pos->col = col; + break; + } + pos->col = col; + } +} + +/* + * Get class of a character for selection: same class means same word. + * 0: blank + * 1: punctuation groups + * 2: normal word character + * >2: multi-byte word character. + */ + static int +get_mouse_class(char_u *p) +{ + int c; + + if (has_mbyte && MB_BYTE2LEN(p[0]) > 1) + return mb_get_class(p); + + c = *p; + if (c == ' ' || c == '\t') + return 0; + + if (vim_iswordc(c)) + return 2; + + /* + * There are a few special cases where we want certain combinations of + * characters to be considered as a single word. These are things like + * "->", "/ *", "*=", "+=", "&=", "<=", ">=", "!=" etc. Otherwise, each + * character is in its own class. + */ + if (c != NUL && vim_strchr((char_u *)"-+*/%<>&|^!=", c) != NULL) + return 1; + return c; +} +#endif /* FEAT_MOUSE */ + +/* + * Check if highlighting for visual mode is possible, give a warning message + * if not. + */ + void +check_visual_highlight(void) +{ + static int did_check = FALSE; + + if (full_screen) + { + if (!did_check && HL_ATTR(HLF_V) == 0) + msg(_("Warning: terminal cannot highlight")); + did_check = TRUE; + } +} + +/* + * End Visual mode. + * This function should ALWAYS be called to end Visual mode, except from + * do_pending_operator(). + */ + void +end_visual_mode(void) +{ +#ifdef FEAT_CLIPBOARD + /* + * If we are using the clipboard, then remember what was selected in case + * we need to paste it somewhere while we still own the selection. + * Only do this when the clipboard is already owned. Don't want to grab + * the selection when hitting ESC. + */ + if (clip_star.available && clip_star.owned) + clip_auto_select(); +#endif + + VIsual_active = FALSE; +#ifdef FEAT_MOUSE + setmouse(); + mouse_dragging = 0; +#endif + + /* Save the current VIsual area for '< and '> marks, and "gv" */ + curbuf->b_visual.vi_mode = VIsual_mode; + curbuf->b_visual.vi_start = VIsual; + curbuf->b_visual.vi_end = curwin->w_cursor; + curbuf->b_visual.vi_curswant = curwin->w_curswant; +#ifdef FEAT_EVAL + curbuf->b_visual_mode_eval = VIsual_mode; +#endif + if (!virtual_active()) + curwin->w_cursor.coladd = 0; + may_clear_cmdline(); + + adjust_cursor_eol(); +} + +/* + * Reset VIsual_active and VIsual_reselect. + */ + void +reset_VIsual_and_resel(void) +{ + if (VIsual_active) + { + end_visual_mode(); + redraw_curbuf_later(INVERTED); /* delete the inversion later */ + } + VIsual_reselect = FALSE; +} + +/* + * Reset VIsual_active and VIsual_reselect if it's set. + */ + void +reset_VIsual(void) +{ + if (VIsual_active) + { + end_visual_mode(); + redraw_curbuf_later(INVERTED); /* delete the inversion later */ + VIsual_reselect = FALSE; + } +} + +/* + * Check for a balloon-eval special item to include when searching for an + * identifier. When "dir" is BACKWARD "ptr[-1]" must be valid! + * Returns TRUE if the character at "*ptr" should be included. + * "dir" is FORWARD or BACKWARD, the direction of searching. + * "*colp" is in/decremented if "ptr[-dir]" should also be included. + * "bnp" points to a counter for square brackets. + */ + static int +find_is_eval_item( + char_u *ptr, + int *colp, + int *bnp, + int dir) +{ + /* Accept everything inside []. */ + if ((*ptr == ']' && dir == BACKWARD) || (*ptr == '[' && dir == FORWARD)) + ++*bnp; + if (*bnp > 0) + { + if ((*ptr == '[' && dir == BACKWARD) || (*ptr == ']' && dir == FORWARD)) + --*bnp; + return TRUE; + } + + /* skip over "s.var" */ + if (*ptr == '.') + return TRUE; + + /* two-character item: s->var */ + if (ptr[dir == BACKWARD ? 0 : 1] == '>' + && ptr[dir == BACKWARD ? -1 : 0] == '-') + { + *colp += dir; + return TRUE; + } + return FALSE; +} + +/* + * Find the identifier under or to the right of the cursor. + * "find_type" can have one of three values: + * FIND_IDENT: find an identifier (keyword) + * FIND_STRING: find any non-white string + * FIND_IDENT + FIND_STRING: find any non-white string, identifier preferred. + * FIND_EVAL: find text useful for C program debugging + * + * There are three steps: + * 1. Search forward for the start of an identifier/string. Doesn't move if + * already on one. + * 2. Search backward for the start of this identifier/string. + * This doesn't match the real Vi but I like it a little better and it + * shouldn't bother anyone. + * 3. Search forward to the end of this identifier/string. + * When FIND_IDENT isn't defined, we backup until a blank. + * + * Returns the length of the string, or zero if no string is found. + * If a string is found, a pointer to the string is put in "*string". This + * string is not always NUL terminated. + */ + int +find_ident_under_cursor(char_u **string, int find_type) +{ + return find_ident_at_pos(curwin, curwin->w_cursor.lnum, + curwin->w_cursor.col, string, find_type); +} + +/* + * Like find_ident_under_cursor(), but for any window and any position. + * However: Uses 'iskeyword' from the current window!. + */ + int +find_ident_at_pos( + win_T *wp, + linenr_T lnum, + colnr_T startcol, + char_u **string, + int find_type) +{ + char_u *ptr; + int col = 0; /* init to shut up GCC */ + int i; + int this_class = 0; + int prev_class; + int prevcol; + int bn = 0; /* bracket nesting */ + + /* + * if i == 0: try to find an identifier + * if i == 1: try to find any non-white string + */ + ptr = ml_get_buf(wp->w_buffer, lnum, FALSE); + for (i = (find_type & FIND_IDENT) ? 0 : 1; i < 2; ++i) + { + /* + * 1. skip to start of identifier/string + */ + col = startcol; + if (has_mbyte) + { + while (ptr[col] != NUL) + { + /* Stop at a ']' to evaluate "a[x]". */ + if ((find_type & FIND_EVAL) && ptr[col] == ']') + break; + this_class = mb_get_class(ptr + col); + if (this_class != 0 && (i == 1 || this_class != 1)) + break; + col += (*mb_ptr2len)(ptr + col); + } + } + else + while (ptr[col] != NUL + && (i == 0 ? !vim_iswordc(ptr[col]) : VIM_ISWHITE(ptr[col])) + && (!(find_type & FIND_EVAL) || ptr[col] != ']') + ) + ++col; + + /* When starting on a ']' count it, so that we include the '['. */ + bn = ptr[col] == ']'; + + /* + * 2. Back up to start of identifier/string. + */ + if (has_mbyte) + { + /* Remember class of character under cursor. */ + if ((find_type & FIND_EVAL) && ptr[col] == ']') + this_class = mb_get_class((char_u *)"a"); + else + this_class = mb_get_class(ptr + col); + while (col > 0 && this_class != 0) + { + prevcol = col - 1 - (*mb_head_off)(ptr, ptr + col - 1); + prev_class = mb_get_class(ptr + prevcol); + if (this_class != prev_class + && (i == 0 + || prev_class == 0 + || (find_type & FIND_IDENT)) + && (!(find_type & FIND_EVAL) + || prevcol == 0 + || !find_is_eval_item(ptr + prevcol, &prevcol, + &bn, BACKWARD)) + ) + break; + col = prevcol; + } + + /* If we don't want just any old string, or we've found an + * identifier, stop searching. */ + if (this_class > 2) + this_class = 2; + if (!(find_type & FIND_STRING) || this_class == 2) + break; + } + else + { + while (col > 0 + && ((i == 0 + ? vim_iswordc(ptr[col - 1]) + : (!VIM_ISWHITE(ptr[col - 1]) + && (!(find_type & FIND_IDENT) + || !vim_iswordc(ptr[col - 1])))) + || ((find_type & FIND_EVAL) + && col > 1 + && find_is_eval_item(ptr + col - 1, &col, + &bn, BACKWARD)) + )) + --col; + + /* If we don't want just any old string, or we've found an + * identifier, stop searching. */ + if (!(find_type & FIND_STRING) || vim_iswordc(ptr[col])) + break; + } + } + + if (ptr[col] == NUL || (i == 0 + && (has_mbyte ? this_class != 2 : !vim_iswordc(ptr[col])))) + { + /* + * didn't find an identifier or string + */ + if (find_type & FIND_STRING) + emsg(_("E348: No string under cursor")); + else + emsg(_(e_noident)); + return 0; + } + ptr += col; + *string = ptr; + + /* + * 3. Find the end if the identifier/string. + */ + bn = 0; + startcol -= col; + col = 0; + if (has_mbyte) + { + /* Search for point of changing multibyte character class. */ + this_class = mb_get_class(ptr); + while (ptr[col] != NUL + && ((i == 0 ? mb_get_class(ptr + col) == this_class + : mb_get_class(ptr + col) != 0) + || ((find_type & FIND_EVAL) + && col <= (int)startcol + && find_is_eval_item(ptr + col, &col, &bn, FORWARD)) + )) + col += (*mb_ptr2len)(ptr + col); + } + else + while ((i == 0 ? vim_iswordc(ptr[col]) + : (ptr[col] != NUL && !VIM_ISWHITE(ptr[col]))) + || ((find_type & FIND_EVAL) + && col <= (int)startcol + && find_is_eval_item(ptr + col, &col, &bn, FORWARD)) + ) + { + ++col; + } + + return col; +} + +/* + * Prepare for redo of a normal command. + */ + static void +prep_redo_cmd(cmdarg_T *cap) +{ + prep_redo(cap->oap->regname, cap->count0, + NUL, cap->cmdchar, NUL, NUL, cap->nchar); +} + +/* + * Prepare for redo of any command. + * Note that only the last argument can be a multi-byte char. + */ + static void +prep_redo( + int regname, + long num, + int cmd1, + int cmd2, + int cmd3, + int cmd4, + int cmd5) +{ + ResetRedobuff(); + if (regname != 0) /* yank from specified buffer */ + { + AppendCharToRedobuff('"'); + AppendCharToRedobuff(regname); + } + if (num) + AppendNumberToRedobuff(num); + + if (cmd1 != NUL) + AppendCharToRedobuff(cmd1); + if (cmd2 != NUL) + AppendCharToRedobuff(cmd2); + if (cmd3 != NUL) + AppendCharToRedobuff(cmd3); + if (cmd4 != NUL) + AppendCharToRedobuff(cmd4); + if (cmd5 != NUL) + AppendCharToRedobuff(cmd5); +} + +/* + * check for operator active and clear it + * + * return TRUE if operator was active + */ + static int +checkclearop(oparg_T *oap) +{ + if (oap->op_type == OP_NOP) + return FALSE; + clearopbeep(oap); + return TRUE; +} + +/* + * Check for operator or Visual active. Clear active operator. + * + * Return TRUE if operator or Visual was active. + */ + static int +checkclearopq(oparg_T *oap) +{ + if (oap->op_type == OP_NOP && !VIsual_active) + return FALSE; + clearopbeep(oap); + return TRUE; +} + + static void +clearop(oparg_T *oap) +{ + oap->op_type = OP_NOP; + oap->regname = 0; + oap->motion_force = NUL; + oap->use_reg_one = FALSE; +} + + static void +clearopbeep(oparg_T *oap) +{ + clearop(oap); + beep_flush(); +} + +/* + * Remove the shift modifier from a special key. + */ + static void +unshift_special(cmdarg_T *cap) +{ + switch (cap->cmdchar) + { + case K_S_RIGHT: cap->cmdchar = K_RIGHT; break; + case K_S_LEFT: cap->cmdchar = K_LEFT; break; + case K_S_UP: cap->cmdchar = K_UP; break; + case K_S_DOWN: cap->cmdchar = K_DOWN; break; + case K_S_HOME: cap->cmdchar = K_HOME; break; + case K_S_END: cap->cmdchar = K_END; break; + } + cap->cmdchar = simplify_key(cap->cmdchar, &mod_mask); +} + +/* + * If the mode is currently displayed clear the command line or update the + * command displayed. + */ + static void +may_clear_cmdline(void) +{ + if (mode_displayed) + clear_cmdline = TRUE; /* unshow visual mode later */ +#ifdef FEAT_CMDL_INFO + else + clear_showcmd(); +#endif +} + +#if defined(FEAT_CMDL_INFO) || defined(PROTO) +/* + * Routines for displaying a partly typed command + */ + +#define SHOWCMD_BUFLEN SHOWCMD_COLS + 1 + 30 +static char_u showcmd_buf[SHOWCMD_BUFLEN]; +static char_u old_showcmd_buf[SHOWCMD_BUFLEN]; /* For push_showcmd() */ +static int showcmd_is_clear = TRUE; +static int showcmd_visual = FALSE; + +static void display_showcmd(void); + + void +clear_showcmd(void) +{ + if (!p_sc) + return; + + if (VIsual_active && !char_avail()) + { + int cursor_bot = LT_POS(VIsual, curwin->w_cursor); + long lines; + colnr_T leftcol, rightcol; + linenr_T top, bot; + + /* Show the size of the Visual area. */ + if (cursor_bot) + { + top = VIsual.lnum; + bot = curwin->w_cursor.lnum; + } + else + { + top = curwin->w_cursor.lnum; + bot = VIsual.lnum; + } +# ifdef FEAT_FOLDING + /* Include closed folds as a whole. */ + (void)hasFolding(top, &top, NULL); + (void)hasFolding(bot, NULL, &bot); +# endif + lines = bot - top + 1; + + if (VIsual_mode == Ctrl_V) + { +# ifdef FEAT_LINEBREAK + char_u *saved_sbr = p_sbr; + + /* Make 'sbr' empty for a moment to get the correct size. */ + p_sbr = empty_option; +# endif + getvcols(curwin, &curwin->w_cursor, &VIsual, &leftcol, &rightcol); +# ifdef FEAT_LINEBREAK + p_sbr = saved_sbr; +# endif + sprintf((char *)showcmd_buf, "%ldx%ld", lines, + (long)(rightcol - leftcol + 1)); + } + else if (VIsual_mode == 'V' || VIsual.lnum != curwin->w_cursor.lnum) + sprintf((char *)showcmd_buf, "%ld", lines); + else + { + char_u *s, *e; + int l; + int bytes = 0; + int chars = 0; + + if (cursor_bot) + { + s = ml_get_pos(&VIsual); + e = ml_get_cursor(); + } + else + { + s = ml_get_cursor(); + e = ml_get_pos(&VIsual); + } + while ((*p_sel != 'e') ? s <= e : s < e) + { + l = (*mb_ptr2len)(s); + if (l == 0) + { + ++bytes; + ++chars; + break; /* end of line */ + } + bytes += l; + ++chars; + s += l; + } + if (bytes == chars) + sprintf((char *)showcmd_buf, "%d", chars); + else + sprintf((char *)showcmd_buf, "%d-%d", chars, bytes); + } + showcmd_buf[SHOWCMD_COLS] = NUL; /* truncate */ + showcmd_visual = TRUE; + } + else + { + showcmd_buf[0] = NUL; + showcmd_visual = FALSE; + + /* Don't actually display something if there is nothing to clear. */ + if (showcmd_is_clear) + return; + } + + display_showcmd(); +} + +/* + * Add 'c' to string of shown command chars. + * Return TRUE if output has been written (and setcursor() has been called). + */ + int +add_to_showcmd(int c) +{ + char_u *p; + int old_len; + int extra_len; + int overflow; +#if defined(FEAT_MOUSE) + int i; + static int ignore[] = + { +# ifdef FEAT_GUI + K_VER_SCROLLBAR, K_HOR_SCROLLBAR, + K_LEFTMOUSE_NM, K_LEFTRELEASE_NM, +# endif + K_IGNORE, K_PS, + K_LEFTMOUSE, K_LEFTDRAG, K_LEFTRELEASE, K_MOUSEMOVE, + K_MIDDLEMOUSE, K_MIDDLEDRAG, K_MIDDLERELEASE, + K_RIGHTMOUSE, K_RIGHTDRAG, K_RIGHTRELEASE, + K_MOUSEDOWN, K_MOUSEUP, K_MOUSELEFT, K_MOUSERIGHT, + K_X1MOUSE, K_X1DRAG, K_X1RELEASE, K_X2MOUSE, K_X2DRAG, K_X2RELEASE, + K_CURSORHOLD, + 0 + }; +#endif + + if (!p_sc || msg_silent != 0) + return FALSE; + + if (showcmd_visual) + { + showcmd_buf[0] = NUL; + showcmd_visual = FALSE; + } + +#if defined(FEAT_MOUSE) + /* Ignore keys that are scrollbar updates and mouse clicks */ + if (IS_SPECIAL(c)) + for (i = 0; ignore[i] != 0; ++i) + if (ignore[i] == c) + return FALSE; +#endif + + p = transchar(c); + if (*p == ' ') + STRCPY(p, "<20>"); + old_len = (int)STRLEN(showcmd_buf); + extra_len = (int)STRLEN(p); + overflow = old_len + extra_len - SHOWCMD_COLS; + if (overflow > 0) + mch_memmove(showcmd_buf, showcmd_buf + overflow, + old_len - overflow + 1); + STRCAT(showcmd_buf, p); + + if (char_avail()) + return FALSE; + + display_showcmd(); + + return TRUE; +} + + void +add_to_showcmd_c(int c) +{ + if (!add_to_showcmd(c)) + setcursor(); +} + +/* + * Delete 'len' characters from the end of the shown command. + */ + static void +del_from_showcmd(int len) +{ + int old_len; + + if (!p_sc) + return; + + old_len = (int)STRLEN(showcmd_buf); + if (len > old_len) + len = old_len; + showcmd_buf[old_len - len] = NUL; + + if (!char_avail()) + display_showcmd(); +} + +/* + * push_showcmd() and pop_showcmd() are used when waiting for the user to type + * something and there is a partial mapping. + */ + void +push_showcmd(void) +{ + if (p_sc) + STRCPY(old_showcmd_buf, showcmd_buf); +} + + void +pop_showcmd(void) +{ + if (!p_sc) + return; + + STRCPY(showcmd_buf, old_showcmd_buf); + + display_showcmd(); +} + + static void +display_showcmd(void) +{ + int len; + + cursor_off(); + + len = (int)STRLEN(showcmd_buf); + if (len == 0) + showcmd_is_clear = TRUE; + else + { + screen_puts(showcmd_buf, (int)Rows - 1, sc_col, 0); + showcmd_is_clear = FALSE; + } + + /* + * clear the rest of an old message by outputting up to SHOWCMD_COLS + * spaces + */ + screen_puts((char_u *)" " + len, (int)Rows - 1, sc_col + len, 0); + + setcursor(); /* put cursor back where it belongs */ +} +#endif + +/* + * When "check" is FALSE, prepare for commands that scroll the window. + * When "check" is TRUE, take care of scroll-binding after the window has + * scrolled. Called from normal_cmd() and edit(). + */ + void +do_check_scrollbind(int check) +{ + static win_T *old_curwin = NULL; + static linenr_T old_topline = 0; +#ifdef FEAT_DIFF + static int old_topfill = 0; +#endif + static buf_T *old_buf = NULL; + static colnr_T old_leftcol = 0; + + if (check && curwin->w_p_scb) + { + /* If a ":syncbind" command was just used, don't scroll, only reset + * the values. */ + if (did_syncbind) + did_syncbind = FALSE; + else if (curwin == old_curwin) + { + /* + * Synchronize other windows, as necessary according to + * 'scrollbind'. Don't do this after an ":edit" command, except + * when 'diff' is set. + */ + if ((curwin->w_buffer == old_buf +#ifdef FEAT_DIFF + || curwin->w_p_diff +#endif + ) + && (curwin->w_topline != old_topline +#ifdef FEAT_DIFF + || curwin->w_topfill != old_topfill +#endif + || curwin->w_leftcol != old_leftcol)) + { + check_scrollbind(curwin->w_topline - old_topline, + (long)(curwin->w_leftcol - old_leftcol)); + } + } + else if (vim_strchr(p_sbo, 'j')) /* jump flag set in 'scrollopt' */ + { + /* + * When switching between windows, make sure that the relative + * vertical offset is valid for the new window. The relative + * offset is invalid whenever another 'scrollbind' window has + * scrolled to a point that would force the current window to + * scroll past the beginning or end of its buffer. When the + * resync is performed, some of the other 'scrollbind' windows may + * need to jump so that the current window's relative position is + * visible on-screen. + */ + check_scrollbind(curwin->w_topline - curwin->w_scbind_pos, 0L); + } + curwin->w_scbind_pos = curwin->w_topline; + } + + old_curwin = curwin; + old_topline = curwin->w_topline; +#ifdef FEAT_DIFF + old_topfill = curwin->w_topfill; +#endif + old_buf = curwin->w_buffer; + old_leftcol = curwin->w_leftcol; +} + +/* + * Synchronize any windows that have "scrollbind" set, based on the + * number of rows by which the current window has changed + * (1998-11-02 16:21:01 R. Edward Ralston <eralston@computer.org>) + */ + void +check_scrollbind(linenr_T topline_diff, long leftcol_diff) +{ + int want_ver; + int want_hor; + win_T *old_curwin = curwin; + buf_T *old_curbuf = curbuf; + int old_VIsual_select = VIsual_select; + int old_VIsual_active = VIsual_active; + colnr_T tgt_leftcol = curwin->w_leftcol; + long topline; + long y; + + /* + * check 'scrollopt' string for vertical and horizontal scroll options + */ + want_ver = (vim_strchr(p_sbo, 'v') && topline_diff != 0); +#ifdef FEAT_DIFF + want_ver |= old_curwin->w_p_diff; +#endif + want_hor = (vim_strchr(p_sbo, 'h') && (leftcol_diff || topline_diff != 0)); + + /* + * loop through the scrollbound windows and scroll accordingly + */ + VIsual_select = VIsual_active = 0; + FOR_ALL_WINDOWS(curwin) + { + curbuf = curwin->w_buffer; + /* skip original window and windows with 'noscrollbind' */ + if (curwin != old_curwin && curwin->w_p_scb) + { + /* + * do the vertical scroll + */ + if (want_ver) + { +#ifdef FEAT_DIFF + if (old_curwin->w_p_diff && curwin->w_p_diff) + { + diff_set_topline(old_curwin, curwin); + } + else +#endif + { + curwin->w_scbind_pos += topline_diff; + topline = curwin->w_scbind_pos; + if (topline > curbuf->b_ml.ml_line_count) + topline = curbuf->b_ml.ml_line_count; + if (topline < 1) + topline = 1; + + y = topline - curwin->w_topline; + if (y > 0) + scrollup(y, FALSE); + else + scrolldown(-y, FALSE); + } + + redraw_later(VALID); + cursor_correct(); + curwin->w_redr_status = TRUE; + } + + /* + * do the horizontal scroll + */ + if (want_hor && curwin->w_leftcol != tgt_leftcol) + { + curwin->w_leftcol = tgt_leftcol; + leftcol_changed(); + } + } + } + + /* + * reset current-window + */ + VIsual_select = old_VIsual_select; + VIsual_active = old_VIsual_active; + curwin = old_curwin; + curbuf = old_curbuf; +} + +/* + * Command character that's ignored. + * Used for CTRL-Q and CTRL-S to avoid problems with terminals that use + * xon/xoff. + */ + static void +nv_ignore(cmdarg_T *cap) +{ + cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */ +} + +/* + * Command character that doesn't do anything, but unlike nv_ignore() does + * start edit(). Used for "startinsert" executed while starting up. + */ + static void +nv_nop(cmdarg_T *cap UNUSED) +{ +} + +/* + * Command character doesn't exist. + */ + static void +nv_error(cmdarg_T *cap) +{ + clearopbeep(cap->oap); +} + +/* + * <Help> and <F1> commands. + */ + static void +nv_help(cmdarg_T *cap) +{ + if (!checkclearopq(cap->oap)) + ex_help(NULL); +} + +/* + * CTRL-A and CTRL-X: Add or subtract from letter or number under cursor. + */ + static void +nv_addsub(cmdarg_T *cap) +{ +#ifdef FEAT_JOB_CHANNEL + if (bt_prompt(curbuf) && !prompt_curpos_editable()) + clearopbeep(cap->oap); + else +#endif + if (!VIsual_active && cap->oap->op_type == OP_NOP) + { + prep_redo_cmd(cap); + cap->oap->op_type = cap->cmdchar == Ctrl_A ? OP_NR_ADD : OP_NR_SUB; + op_addsub(cap->oap, cap->count1, cap->arg); + cap->oap->op_type = OP_NOP; + } + else if (VIsual_active) + nv_operator(cap); + else + clearop(cap->oap); +} + +/* + * CTRL-F, CTRL-B, etc: Scroll page up or down. + */ + static void +nv_page(cmdarg_T *cap) +{ + if (!checkclearop(cap->oap)) + { + if (mod_mask & MOD_MASK_CTRL) + { + /* <C-PageUp>: tab page back; <C-PageDown>: tab page forward */ + if (cap->arg == BACKWARD) + goto_tabpage(-(int)cap->count1); + else + goto_tabpage((int)cap->count0); + } + else + (void)onepage(cap->arg, cap->count1); + } +} + +/* + * Implementation of "gd" and "gD" command. + */ + static void +nv_gd( + oparg_T *oap, + int nchar, + int thisblock) /* 1 for "1gd" and "1gD" */ +{ + int len; + char_u *ptr; + + if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0 + || find_decl(ptr, len, nchar == 'd', thisblock, SEARCH_START) + == FAIL) + clearopbeep(oap); +#ifdef FEAT_FOLDING + else if ((fdo_flags & FDO_SEARCH) && KeyTyped && oap->op_type == OP_NOP) + foldOpenCursor(); +#endif +} + +/* + * Return TRUE if line[offset] is not inside a C-style comment or string, FALSE + * otherwise. + */ + static int +is_ident(char_u *line, int offset) +{ + int i; + int incomment = FALSE; + int instring = 0; + int prev = 0; + + for (i = 0; i < offset && line[i] != NUL; i++) + { + if (instring != 0) + { + if (prev != '\\' && line[i] == instring) + instring = 0; + } + else if ((line[i] == '"' || line[i] == '\'') && !incomment) + { + instring = line[i]; + } + else + { + if (incomment) + { + if (prev == '*' && line[i] == '/') + incomment = FALSE; + } + else if (prev == '/' && line[i] == '*') + { + incomment = TRUE; + } + else if (prev == '/' && line[i] == '/') + { + return FALSE; + } + } + + prev = line[i]; + } + + return incomment == FALSE && instring == 0; +} + +/* + * Search for variable declaration of "ptr[len]". + * When "locally" is TRUE in the current function ("gd"), otherwise in the + * current file ("gD"). + * When "thisblock" is TRUE check the {} block scope. + * Return FAIL when not found. + */ + int +find_decl( + char_u *ptr, + int len, + int locally, + int thisblock, + int flags_arg) /* flags passed to searchit() */ +{ + char_u *pat; + pos_T old_pos; + pos_T par_pos; + pos_T found_pos; + int t; + int save_p_ws; + int save_p_scs; + int retval = OK; + int incll; + int searchflags = flags_arg; + int valid; + + if ((pat = alloc(len + 7)) == NULL) + return FAIL; + + /* Put "\V" before the pattern to avoid that the special meaning of "." + * and "~" causes trouble. */ + sprintf((char *)pat, vim_iswordp(ptr) ? "\\V\\<%.*s\\>" : "\\V%.*s", + len, ptr); + old_pos = curwin->w_cursor; + save_p_ws = p_ws; + save_p_scs = p_scs; + p_ws = FALSE; /* don't wrap around end of file now */ + p_scs = FALSE; /* don't switch ignorecase off now */ + + /* + * With "gD" go to line 1. + * With "gd" Search back for the start of the current function, then go + * back until a blank line. If this fails go to line 1. + */ + if (!locally || !findpar(&incll, BACKWARD, 1L, '{', FALSE)) + { + setpcmark(); /* Set in findpar() otherwise */ + curwin->w_cursor.lnum = 1; + par_pos = curwin->w_cursor; + } + else + { + par_pos = curwin->w_cursor; + while (curwin->w_cursor.lnum > 1 && *skipwhite(ml_get_curline()) != NUL) + --curwin->w_cursor.lnum; + } + curwin->w_cursor.col = 0; + + /* Search forward for the identifier, ignore comment lines. */ + CLEAR_POS(&found_pos); + for (;;) + { + valid = FALSE; + t = searchit(curwin, curbuf, &curwin->w_cursor, NULL, FORWARD, + pat, 1L, searchflags, RE_LAST, (linenr_T)0, NULL, NULL); + if (curwin->w_cursor.lnum >= old_pos.lnum) + t = FAIL; /* match after start is failure too */ + + if (thisblock && t != FAIL) + { + pos_T *pos; + + /* Check that the block the match is in doesn't end before the + * position where we started the search from. */ + if ((pos = findmatchlimit(NULL, '}', FM_FORWARD, + (int)(old_pos.lnum - curwin->w_cursor.lnum + 1))) != NULL + && pos->lnum < old_pos.lnum) + { + /* There can't be a useful match before the end of this block. + * Skip to the end. */ + curwin->w_cursor = *pos; + continue; + } + } + + if (t == FAIL) + { + /* If we previously found a valid position, use it. */ + if (found_pos.lnum != 0) + { + curwin->w_cursor = found_pos; + t = OK; + } + break; + } +#ifdef FEAT_COMMENTS + if (get_leader_len(ml_get_curline(), NULL, FALSE, TRUE) > 0) + { + /* Ignore this line, continue at start of next line. */ + ++curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + continue; + } +#endif + valid = is_ident(ml_get_curline(), curwin->w_cursor.col); + + /* If the current position is not a valid identifier and a previous + * match is present, favor that one instead. */ + if (!valid && found_pos.lnum != 0) + { + curwin->w_cursor = found_pos; + break; + } + + /* Global search: use first valid match found */ + if (valid && !locally) + break; + if (valid && curwin->w_cursor.lnum >= par_pos.lnum) + { + /* If we previously found a valid position, use it. */ + if (found_pos.lnum != 0) + curwin->w_cursor = found_pos; + break; + } + + /* For finding a local variable and the match is before the "{" or + * inside a comment, continue searching. For K&R style function + * declarations this skips the function header without types. */ + if (!valid) + { + CLEAR_POS(&found_pos); + } + else + found_pos = curwin->w_cursor; + /* Remove SEARCH_START from flags to avoid getting stuck at one + * position. */ + searchflags &= ~SEARCH_START; + } + + if (t == FAIL) + { + retval = FAIL; + curwin->w_cursor = old_pos; + } + else + { + curwin->w_set_curswant = TRUE; + /* "n" searches forward now */ + reset_search_dir(); + } + + vim_free(pat); + p_ws = save_p_ws; + p_scs = save_p_scs; + + return retval; +} + +/* + * Move 'dist' lines in direction 'dir', counting lines by *screen* + * lines rather than lines in the file. + * 'dist' must be positive. + * + * Return OK if able to move cursor, FAIL otherwise. + */ + static int +nv_screengo(oparg_T *oap, int dir, long dist) +{ + int linelen = linetabsize(ml_get_curline()); + int retval = OK; + int atend = FALSE; + int n; + int col_off1; /* margin offset for first screen line */ + int col_off2; /* margin offset for wrapped screen line */ + int width1; /* text width for first screen line */ + int width2; /* test width for wrapped screen line */ + + oap->motion_type = MCHAR; + oap->inclusive = (curwin->w_curswant == MAXCOL); + + col_off1 = curwin_col_off(); + col_off2 = col_off1 - curwin_col_off2(); + width1 = curwin->w_width - col_off1; + width2 = curwin->w_width - col_off2; + if (width2 == 0) + width2 = 1; /* avoid divide by zero */ + + if (curwin->w_width != 0) + { + /* + * Instead of sticking at the last character of the buffer line we + * try to stick in the last column of the screen. + */ + if (curwin->w_curswant == MAXCOL) + { + atend = TRUE; + validate_virtcol(); + if (width1 <= 0) + curwin->w_curswant = 0; + else + { + curwin->w_curswant = width1 - 1; + if (curwin->w_virtcol > curwin->w_curswant) + curwin->w_curswant += ((curwin->w_virtcol + - curwin->w_curswant - 1) / width2 + 1) * width2; + } + } + else + { + if (linelen > width1) + n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1; + else + n = width1; + if (curwin->w_curswant > (colnr_T)n + 1) + curwin->w_curswant -= ((curwin->w_curswant - n) / width2 + 1) + * width2; + } + + while (dist--) + { + if (dir == BACKWARD) + { + if ((long)curwin->w_curswant >= width2) + /* move back within line */ + curwin->w_curswant -= width2; + else + { + /* to previous line */ + if (curwin->w_cursor.lnum == 1) + { + retval = FAIL; + break; + } + --curwin->w_cursor.lnum; +#ifdef FEAT_FOLDING + /* Move to the start of a closed fold. Don't do that when + * 'foldopen' contains "all": it will open in a moment. */ + if (!(fdo_flags & FDO_ALL)) + (void)hasFolding(curwin->w_cursor.lnum, + &curwin->w_cursor.lnum, NULL); +#endif + linelen = linetabsize(ml_get_curline()); + if (linelen > width1) + curwin->w_curswant += (((linelen - width1 - 1) / width2) + + 1) * width2; + } + } + else /* dir == FORWARD */ + { + if (linelen > width1) + n = ((linelen - width1 - 1) / width2 + 1) * width2 + width1; + else + n = width1; + if (curwin->w_curswant + width2 < (colnr_T)n) + /* move forward within line */ + curwin->w_curswant += width2; + else + { + /* to next line */ +#ifdef FEAT_FOLDING + /* Move to the end of a closed fold. */ + (void)hasFolding(curwin->w_cursor.lnum, NULL, + &curwin->w_cursor.lnum); +#endif + if (curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) + { + retval = FAIL; + break; + } + curwin->w_cursor.lnum++; + curwin->w_curswant %= width2; + linelen = linetabsize(ml_get_curline()); + } + } + } + } + + if (virtual_active() && atend) + coladvance(MAXCOL); + else + coladvance(curwin->w_curswant); + + if (curwin->w_cursor.col > 0 && curwin->w_p_wrap) + { + colnr_T virtcol; + + /* + * Check for landing on a character that got split at the end of the + * last line. We want to advance a screenline, not end up in the same + * screenline or move two screenlines. + */ + validate_virtcol(); + virtcol = curwin->w_virtcol; +#if defined(FEAT_LINEBREAK) + if (virtcol > (colnr_T)width1 && *p_sbr != NUL) + virtcol -= vim_strsize(p_sbr); +#endif + + if (virtcol > curwin->w_curswant + && (curwin->w_curswant < (colnr_T)width1 + ? (curwin->w_curswant > (colnr_T)width1 / 2) + : ((curwin->w_curswant - width1) % width2 + > (colnr_T)width2 / 2))) + --curwin->w_cursor.col; + } + + if (atend) + curwin->w_curswant = MAXCOL; /* stick in the last column */ + + return retval; +} + +#ifdef FEAT_MOUSE +/* + * Mouse scroll wheel: Default action is to scroll three lines, or one page + * when Shift or Ctrl is used. + * K_MOUSEUP (cap->arg == 1) or K_MOUSEDOWN (cap->arg == 0) or + * K_MOUSELEFT (cap->arg == -1) or K_MOUSERIGHT (cap->arg == -2) + */ + static void +nv_mousescroll(cmdarg_T *cap) +{ + win_T *old_curwin = curwin, *wp; + + if (mouse_row >= 0 && mouse_col >= 0) + { + int row, col; + + row = mouse_row; + col = mouse_col; + + /* find the window at the pointer coordinates */ + wp = mouse_find_win(&row, &col); + if (wp == NULL) + return; + curwin = wp; + curbuf = curwin->w_buffer; + } + + if (cap->arg == MSCR_UP || cap->arg == MSCR_DOWN) + { +# ifdef FEAT_TERMINAL + if (term_use_loop()) + /* This window is a terminal window, send the mouse event there. + * Set "typed" to FALSE to avoid an endless loop. */ + send_keys_to_term(curbuf->b_term, cap->cmdchar, FALSE); + else +# endif + if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) + { + (void)onepage(cap->arg ? FORWARD : BACKWARD, 1L); + } + else + { + cap->count1 = 3; + cap->count0 = 3; + nv_scroll_line(cap); + } + } +# ifdef FEAT_GUI + else + { + /* Horizontal scroll - only allowed when 'wrap' is disabled */ + if (!curwin->w_p_wrap) + { + int val, step = 6; + + if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) + step = curwin->w_width; + val = curwin->w_leftcol + (cap->arg == MSCR_RIGHT ? -step : +step); + if (val < 0) + val = 0; + + gui_do_horiz_scroll(val, TRUE); + } + } +# endif +# ifdef FEAT_SYN_HL + if (curwin != old_curwin && curwin->w_p_cul) + redraw_for_cursorline(curwin); +# endif + + curwin->w_redr_status = TRUE; + + curwin = old_curwin; + curbuf = curwin->w_buffer; +} + +/* + * Mouse clicks and drags. + */ + static void +nv_mouse(cmdarg_T *cap) +{ + (void)do_mouse(cap->oap, cap->cmdchar, BACKWARD, cap->count1, 0); +} +#endif + +/* + * Handle CTRL-E and CTRL-Y commands: scroll a line up or down. + * cap->arg must be TRUE for CTRL-E. + */ + static void +nv_scroll_line(cmdarg_T *cap) +{ + if (!checkclearop(cap->oap)) + scroll_redraw(cap->arg, cap->count1); +} + +/* + * Scroll "count" lines up or down, and redraw. + */ + void +scroll_redraw(int up, long count) +{ + linenr_T prev_topline = curwin->w_topline; +#ifdef FEAT_DIFF + int prev_topfill = curwin->w_topfill; +#endif + linenr_T prev_lnum = curwin->w_cursor.lnum; + + if (up) + scrollup(count, TRUE); + else + scrolldown(count, TRUE); + if (get_scrolloff_value()) + { + /* Adjust the cursor position for 'scrolloff'. Mark w_topline as + * valid, otherwise the screen jumps back at the end of the file. */ + cursor_correct(); + check_cursor_moved(curwin); + curwin->w_valid |= VALID_TOPLINE; + + /* If moved back to where we were, at least move the cursor, otherwise + * we get stuck at one position. Don't move the cursor up if the + * first line of the buffer is already on the screen */ + while (curwin->w_topline == prev_topline +#ifdef FEAT_DIFF + && curwin->w_topfill == prev_topfill +#endif + ) + { + if (up) + { + if (curwin->w_cursor.lnum > prev_lnum + || cursor_down(1L, FALSE) == FAIL) + break; + } + else + { + if (curwin->w_cursor.lnum < prev_lnum + || prev_topline == 1L + || cursor_up(1L, FALSE) == FAIL) + break; + } + /* Mark w_topline as valid, otherwise the screen jumps back at the + * end of the file. */ + check_cursor_moved(curwin); + curwin->w_valid |= VALID_TOPLINE; + } + } + if (curwin->w_cursor.lnum != prev_lnum) + coladvance(curwin->w_curswant); + redraw_later(VALID); +} + +/* + * Commands that start with "z". + */ + static void +nv_zet(cmdarg_T *cap) +{ + long n; + colnr_T col; + int nchar = cap->nchar; +#ifdef FEAT_FOLDING + long old_fdl = curwin->w_p_fdl; + int old_fen = curwin->w_p_fen; +#endif +#ifdef FEAT_SPELL + int undo = FALSE; +#endif + long siso = get_sidescrolloff_value(); + + if (VIM_ISDIGIT(nchar)) + { + /* + * "z123{nchar}": edit the count before obtaining {nchar} + */ + if (checkclearop(cap->oap)) + return; + n = nchar - '0'; + for (;;) + { +#ifdef USE_ON_FLY_SCROLL + dont_scroll = TRUE; /* disallow scrolling here */ +#endif + ++no_mapping; + ++allow_keys; /* no mapping for nchar, but allow key codes */ + nchar = plain_vgetc(); + LANGMAP_ADJUST(nchar, TRUE); + --no_mapping; + --allow_keys; +#ifdef FEAT_CMDL_INFO + (void)add_to_showcmd(nchar); +#endif + if (nchar == K_DEL || nchar == K_KDEL) + n /= 10; + else if (VIM_ISDIGIT(nchar)) + n = n * 10 + (nchar - '0'); + else if (nchar == CAR) + { +#ifdef FEAT_GUI + need_mouse_correct = TRUE; +#endif + win_setheight((int)n); + break; + } + else if (nchar == 'l' + || nchar == 'h' + || nchar == K_LEFT + || nchar == K_RIGHT) + { + cap->count1 = n ? n * cap->count1 : cap->count1; + goto dozet; + } + else + { + clearopbeep(cap->oap); + break; + } + } + cap->oap->op_type = OP_NOP; + return; + } + +dozet: + if ( +#ifdef FEAT_FOLDING + /* "zf" and "zF" are always an operator, "zd", "zo", "zO", "zc" + * and "zC" only in Visual mode. "zj" and "zk" are motion + * commands. */ + cap->nchar != 'f' && cap->nchar != 'F' + && !(VIsual_active && vim_strchr((char_u *)"dcCoO", cap->nchar)) + && cap->nchar != 'j' && cap->nchar != 'k' + && +#endif + checkclearop(cap->oap)) + return; + + /* + * For "z+", "z<CR>", "zt", "z.", "zz", "z^", "z-", "zb": + * If line number given, set cursor. + */ + if ((vim_strchr((char_u *)"+\r\nt.z^-b", nchar) != NULL) + && cap->count0 + && cap->count0 != curwin->w_cursor.lnum) + { + setpcmark(); + if (cap->count0 > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + else + curwin->w_cursor.lnum = cap->count0; + check_cursor_col(); + } + + switch (nchar) + { + /* "z+", "z<CR>" and "zt": put cursor at top of screen */ + case '+': + if (cap->count0 == 0) + { + /* No count given: put cursor at the line below screen */ + validate_botline(); /* make sure w_botline is valid */ + if (curwin->w_botline > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + else + curwin->w_cursor.lnum = curwin->w_botline; + } + /* FALLTHROUGH */ + case NL: + case CAR: + case K_KENTER: + beginline(BL_WHITE | BL_FIX); + /* FALLTHROUGH */ + + case 't': scroll_cursor_top(0, TRUE); + redraw_later(VALID); + set_fraction(curwin); + break; + + /* "z." and "zz": put cursor in middle of screen */ + case '.': beginline(BL_WHITE | BL_FIX); + /* FALLTHROUGH */ + + case 'z': scroll_cursor_halfway(TRUE); + redraw_later(VALID); + set_fraction(curwin); + break; + + /* "z^", "z-" and "zb": put cursor at bottom of screen */ + case '^': /* Strange Vi behavior: <count>z^ finds line at top of window + * when <count> is at bottom of window, and puts that one at + * bottom of window. */ + if (cap->count0 != 0) + { + scroll_cursor_bot(0, TRUE); + curwin->w_cursor.lnum = curwin->w_topline; + } + else if (curwin->w_topline == 1) + curwin->w_cursor.lnum = 1; + else + curwin->w_cursor.lnum = curwin->w_topline - 1; + /* FALLTHROUGH */ + case '-': + beginline(BL_WHITE | BL_FIX); + /* FALLTHROUGH */ + + case 'b': scroll_cursor_bot(0, TRUE); + redraw_later(VALID); + set_fraction(curwin); + break; + + /* "zH" - scroll screen right half-page */ + case 'H': + cap->count1 *= curwin->w_width / 2; + /* FALLTHROUGH */ + + /* "zh" - scroll screen to the right */ + case 'h': + case K_LEFT: + if (!curwin->w_p_wrap) + { + if ((colnr_T)cap->count1 > curwin->w_leftcol) + curwin->w_leftcol = 0; + else + curwin->w_leftcol -= (colnr_T)cap->count1; + leftcol_changed(); + } + break; + + /* "zL" - scroll screen left half-page */ + case 'L': cap->count1 *= curwin->w_width / 2; + /* FALLTHROUGH */ + + /* "zl" - scroll screen to the left */ + case 'l': + case K_RIGHT: + if (!curwin->w_p_wrap) + { + /* scroll the window left */ + curwin->w_leftcol += (colnr_T)cap->count1; + leftcol_changed(); + } + break; + + /* "zs" - scroll screen, cursor at the start */ + case 's': if (!curwin->w_p_wrap) + { +#ifdef FEAT_FOLDING + if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) + col = 0; /* like the cursor is in col 0 */ + else +#endif + getvcol(curwin, &curwin->w_cursor, &col, NULL, NULL); + if ((long)col > siso) + col -= siso; + else + col = 0; + if (curwin->w_leftcol != col) + { + curwin->w_leftcol = col; + redraw_later(NOT_VALID); + } + } + break; + + /* "ze" - scroll screen, cursor at the end */ + case 'e': if (!curwin->w_p_wrap) + { +#ifdef FEAT_FOLDING + if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) + col = 0; /* like the cursor is in col 0 */ + else +#endif + getvcol(curwin, &curwin->w_cursor, NULL, NULL, &col); + n = curwin->w_width - curwin_col_off(); + if ((long)col + siso < n) + col = 0; + else + col = col + siso - n + 1; + if (curwin->w_leftcol != col) + { + curwin->w_leftcol = col; + redraw_later(NOT_VALID); + } + } + break; + +#ifdef FEAT_FOLDING + /* "zF": create fold command */ + /* "zf": create fold operator */ + case 'F': + case 'f': if (foldManualAllowed(TRUE)) + { + cap->nchar = 'f'; + nv_operator(cap); + curwin->w_p_fen = TRUE; + + /* "zF" is like "zfzf" */ + if (nchar == 'F' && cap->oap->op_type == OP_FOLD) + { + nv_operator(cap); + finish_op = TRUE; + } + } + else + clearopbeep(cap->oap); + break; + + /* "zd": delete fold at cursor */ + /* "zD": delete fold at cursor recursively */ + case 'd': + case 'D': if (foldManualAllowed(FALSE)) + { + if (VIsual_active) + nv_operator(cap); + else + deleteFold(curwin->w_cursor.lnum, + curwin->w_cursor.lnum, nchar == 'D', FALSE); + } + break; + + /* "zE": erase all folds */ + case 'E': if (foldmethodIsManual(curwin)) + { + clearFolding(curwin); + changed_window_setting(); + } + else if (foldmethodIsMarker(curwin)) + deleteFold((linenr_T)1, curbuf->b_ml.ml_line_count, + TRUE, FALSE); + else + emsg(_("E352: Cannot erase folds with current 'foldmethod'")); + break; + + /* "zn": fold none: reset 'foldenable' */ + case 'n': curwin->w_p_fen = FALSE; + break; + + /* "zN": fold Normal: set 'foldenable' */ + case 'N': curwin->w_p_fen = TRUE; + break; + + /* "zi": invert folding: toggle 'foldenable' */ + case 'i': curwin->w_p_fen = !curwin->w_p_fen; + break; + + /* "za": open closed fold or close open fold at cursor */ + case 'a': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) + openFold(curwin->w_cursor.lnum, cap->count1); + else + { + closeFold(curwin->w_cursor.lnum, cap->count1); + curwin->w_p_fen = TRUE; + } + break; + + /* "zA": open fold at cursor recursively */ + case 'A': if (hasFolding(curwin->w_cursor.lnum, NULL, NULL)) + openFoldRecurse(curwin->w_cursor.lnum); + else + { + closeFoldRecurse(curwin->w_cursor.lnum); + curwin->w_p_fen = TRUE; + } + break; + + /* "zo": open fold at cursor or Visual area */ + case 'o': if (VIsual_active) + nv_operator(cap); + else + openFold(curwin->w_cursor.lnum, cap->count1); + break; + + /* "zO": open fold recursively */ + case 'O': if (VIsual_active) + nv_operator(cap); + else + openFoldRecurse(curwin->w_cursor.lnum); + break; + + /* "zc": close fold at cursor or Visual area */ + case 'c': if (VIsual_active) + nv_operator(cap); + else + closeFold(curwin->w_cursor.lnum, cap->count1); + curwin->w_p_fen = TRUE; + break; + + /* "zC": close fold recursively */ + case 'C': if (VIsual_active) + nv_operator(cap); + else + closeFoldRecurse(curwin->w_cursor.lnum); + curwin->w_p_fen = TRUE; + break; + + /* "zv": open folds at the cursor */ + case 'v': foldOpenCursor(); + break; + + /* "zx": re-apply 'foldlevel' and open folds at the cursor */ + case 'x': curwin->w_p_fen = TRUE; + curwin->w_foldinvalid = TRUE; /* recompute folds */ + newFoldLevel(); /* update right now */ + foldOpenCursor(); + break; + + /* "zX": undo manual opens/closes, re-apply 'foldlevel' */ + case 'X': curwin->w_p_fen = TRUE; + curwin->w_foldinvalid = TRUE; /* recompute folds */ + old_fdl = -1; /* force an update */ + break; + + /* "zm": fold more */ + case 'm': if (curwin->w_p_fdl > 0) + { + curwin->w_p_fdl -= cap->count1; + if (curwin->w_p_fdl < 0) + curwin->w_p_fdl = 0; + } + old_fdl = -1; /* force an update */ + curwin->w_p_fen = TRUE; + break; + + /* "zM": close all folds */ + case 'M': curwin->w_p_fdl = 0; + old_fdl = -1; /* force an update */ + curwin->w_p_fen = TRUE; + break; + + /* "zr": reduce folding */ + case 'r': curwin->w_p_fdl += cap->count1; + { + int d = getDeepestNesting(); + + if (curwin->w_p_fdl >= d) + curwin->w_p_fdl = d; + } + break; + + /* "zR": open all folds */ + case 'R': curwin->w_p_fdl = getDeepestNesting(); + old_fdl = -1; /* force an update */ + break; + + case 'j': /* "zj" move to next fold downwards */ + case 'k': /* "zk" move to next fold upwards */ + if (foldMoveTo(TRUE, nchar == 'j' ? FORWARD : BACKWARD, + cap->count1) == FAIL) + clearopbeep(cap->oap); + break; + +#endif /* FEAT_FOLDING */ + +#ifdef FEAT_SPELL + case 'u': /* "zug" and "zuw": undo "zg" and "zw" */ + ++no_mapping; + ++allow_keys; /* no mapping for nchar, but allow key codes */ + nchar = plain_vgetc(); + LANGMAP_ADJUST(nchar, TRUE); + --no_mapping; + --allow_keys; +#ifdef FEAT_CMDL_INFO + (void)add_to_showcmd(nchar); +#endif + if (vim_strchr((char_u *)"gGwW", nchar) == NULL) + { + clearopbeep(cap->oap); + break; + } + undo = TRUE; + /* FALLTHROUGH */ + + case 'g': /* "zg": add good word to word list */ + case 'w': /* "zw": add wrong word to word list */ + case 'G': /* "zG": add good word to temp word list */ + case 'W': /* "zW": add wrong word to temp word list */ + { + char_u *ptr = NULL; + int len; + + if (checkclearop(cap->oap)) + break; + if (VIsual_active && get_visual_text(cap, &ptr, &len) + == FAIL) + return; + if (ptr == NULL) + { + pos_T pos = curwin->w_cursor; + + /* Find bad word under the cursor. When 'spell' is + * off this fails and find_ident_under_cursor() is + * used below. */ + emsg_off++; + len = spell_move_to(curwin, FORWARD, TRUE, TRUE, NULL); + emsg_off--; + if (len != 0 && curwin->w_cursor.col <= pos.col) + ptr = ml_get_pos(&curwin->w_cursor); + curwin->w_cursor = pos; + } + + if (ptr == NULL && (len = find_ident_under_cursor(&ptr, + FIND_IDENT)) == 0) + return; + spell_add_word(ptr, len, nchar == 'w' || nchar == 'W', + (nchar == 'G' || nchar == 'W') + ? 0 : (int)cap->count1, + undo); + } + break; + + case '=': /* "z=": suggestions for a badly spelled word */ + if (!checkclearop(cap->oap)) + spell_suggest((int)cap->count0); + break; +#endif + + default: clearopbeep(cap->oap); + } + +#ifdef FEAT_FOLDING + /* Redraw when 'foldenable' changed */ + if (old_fen != curwin->w_p_fen) + { +# ifdef FEAT_DIFF + win_T *wp; + + if (foldmethodIsDiff(curwin) && curwin->w_p_scb) + { + /* Adjust 'foldenable' in diff-synced windows. */ + FOR_ALL_WINDOWS(wp) + { + if (wp != curwin && foldmethodIsDiff(wp) && wp->w_p_scb) + { + wp->w_p_fen = curwin->w_p_fen; + changed_window_setting_win(wp); + } + } + } +# endif + changed_window_setting(); + } + + /* Redraw when 'foldlevel' changed. */ + if (old_fdl != curwin->w_p_fdl) + newFoldLevel(); +#endif +} + +#ifdef FEAT_GUI +/* + * Vertical scrollbar movement. + */ + static void +nv_ver_scrollbar(cmdarg_T *cap) +{ + if (cap->oap->op_type != OP_NOP) + clearopbeep(cap->oap); + + /* Even if an operator was pending, we still want to scroll */ + gui_do_scroll(); +} + +/* + * Horizontal scrollbar movement. + */ + static void +nv_hor_scrollbar(cmdarg_T *cap) +{ + if (cap->oap->op_type != OP_NOP) + clearopbeep(cap->oap); + + /* Even if an operator was pending, we still want to scroll */ + gui_do_horiz_scroll(scrollbar_value, FALSE); +} +#endif + +#if defined(FEAT_GUI_TABLINE) || defined(PROTO) +/* + * Click in GUI tab. + */ + static void +nv_tabline(cmdarg_T *cap) +{ + if (cap->oap->op_type != OP_NOP) + clearopbeep(cap->oap); + + /* Even if an operator was pending, we still want to jump tabs. */ + goto_tabpage(current_tab); +} + +/* + * Selected item in tab line menu. + */ + static void +nv_tabmenu(cmdarg_T *cap) +{ + if (cap->oap->op_type != OP_NOP) + clearopbeep(cap->oap); + + /* Even if an operator was pending, we still want to jump tabs. */ + handle_tabmenu(); +} + +/* + * Handle selecting an item of the GUI tab line menu. + * Used in Normal and Insert mode. + */ + void +handle_tabmenu(void) +{ + switch (current_tabmenu) + { + case TABLINE_MENU_CLOSE: + if (current_tab == 0) + do_cmdline_cmd((char_u *)"tabclose"); + else + { + vim_snprintf((char *)IObuff, IOSIZE, "tabclose %d", + current_tab); + do_cmdline_cmd(IObuff); + } + break; + + case TABLINE_MENU_NEW: + if (current_tab == 0) + do_cmdline_cmd((char_u *)"$tabnew"); + else + { + vim_snprintf((char *)IObuff, IOSIZE, "%dtabnew", + current_tab - 1); + do_cmdline_cmd(IObuff); + } + break; + + case TABLINE_MENU_OPEN: + if (current_tab == 0) + do_cmdline_cmd((char_u *)"browse $tabnew"); + else + { + vim_snprintf((char *)IObuff, IOSIZE, "browse %dtabnew", + current_tab - 1); + do_cmdline_cmd(IObuff); + } + break; + } +} +#endif + +/* + * "Q" command. + */ + static void +nv_exmode(cmdarg_T *cap) +{ + /* + * Ignore 'Q' in Visual mode, just give a beep. + */ + if (VIsual_active) + vim_beep(BO_EX); + else if (!checkclearop(cap->oap)) + do_exmode(FALSE); +} + +/* + * Handle a ":" command. + */ + static void +nv_colon(cmdarg_T *cap) +{ + int old_p_im; + int cmd_result; + + if (VIsual_active) + nv_operator(cap); + else + { + if (cap->oap->op_type != OP_NOP) + { + /* Using ":" as a movement is characterwise exclusive. */ + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + } + else if (cap->count0) + { + /* translate "count:" into ":.,.+(count - 1)" */ + stuffcharReadbuff('.'); + if (cap->count0 > 1) + { + stuffReadbuff((char_u *)",.+"); + stuffnumReadbuff((long)cap->count0 - 1L); + } + } + + /* When typing, don't type below an old message */ + if (KeyTyped) + compute_cmdrow(); + + old_p_im = p_im; + + /* get a command line and execute it */ + cmd_result = do_cmdline(NULL, getexline, NULL, + cap->oap->op_type != OP_NOP ? DOCMD_KEEPLINE : 0); + + /* If 'insertmode' changed, enter or exit Insert mode */ + if (p_im != old_p_im) + { + if (p_im) + restart_edit = 'i'; + else + restart_edit = 0; + } + + if (cmd_result == FAIL) + /* The Ex command failed, do not execute the operator. */ + clearop(cap->oap); + else if (cap->oap->op_type != OP_NOP + && (cap->oap->start.lnum > curbuf->b_ml.ml_line_count + || cap->oap->start.col > + (colnr_T)STRLEN(ml_get(cap->oap->start.lnum)) + || did_emsg + )) + /* The start of the operator has become invalid by the Ex command. + */ + clearopbeep(cap->oap); + } +} + +/* + * Handle CTRL-G command. + */ + static void +nv_ctrlg(cmdarg_T *cap) +{ + if (VIsual_active) /* toggle Selection/Visual mode */ + { + VIsual_select = !VIsual_select; + showmode(); + } + else if (!checkclearop(cap->oap)) + /* print full name if count given or :cd used */ + fileinfo((int)cap->count0, FALSE, TRUE); +} + +/* + * Handle CTRL-H <Backspace> command. + */ + static void +nv_ctrlh(cmdarg_T *cap) +{ + if (VIsual_active && VIsual_select) + { + cap->cmdchar = 'x'; /* BS key behaves like 'x' in Select mode */ + v_visop(cap); + } + else + nv_left(cap); +} + +/* + * CTRL-L: clear screen and redraw. + */ + static void +nv_clear(cmdarg_T *cap) +{ + if (!checkclearop(cap->oap)) + { +#if defined(__BEOS__) && !USE_THREAD_FOR_INPUT_WITH_TIMEOUT + /* + * Right now, the BeBox doesn't seem to have an easy way to detect + * window resizing, so we cheat and make the user detect it + * manually with CTRL-L instead + */ + ui_get_shellsize(); +#endif +#ifdef FEAT_SYN_HL + /* Clear all syntax states to force resyncing. */ + syn_stack_free_all(curwin->w_s); +# ifdef FEAT_RELTIME + { + win_T *wp; + + FOR_ALL_WINDOWS(wp) + wp->w_s->b_syn_slow = FALSE; + } +# endif +#endif + redraw_later(CLEAR); + } +} + +/* + * CTRL-O: In Select mode: switch to Visual mode for one command. + * Otherwise: Go to older pcmark. + */ + static void +nv_ctrlo(cmdarg_T *cap) +{ + if (VIsual_active && VIsual_select) + { + VIsual_select = FALSE; + showmode(); + restart_VIsual_select = 2; /* restart Select mode later */ + } + else + { + cap->count1 = -cap->count1; + nv_pcmark(cap); + } +} + +/* + * CTRL-^ command, short for ":e #". Works even when the alternate buffer is + * not named. + */ + static void +nv_hat(cmdarg_T *cap) +{ + if (!checkclearopq(cap->oap)) + (void)buflist_getfile((int)cap->count0, (linenr_T)0, + GETF_SETMARK|GETF_ALT, FALSE); +} + +/* + * "Z" commands. + */ + static void +nv_Zet(cmdarg_T *cap) +{ + if (!checkclearopq(cap->oap)) + { + switch (cap->nchar) + { + /* "ZZ": equivalent to ":x". */ + case 'Z': do_cmdline_cmd((char_u *)"x"); + break; + + /* "ZQ": equivalent to ":q!" (Elvis compatible). */ + case 'Q': do_cmdline_cmd((char_u *)"q!"); + break; + + default: clearopbeep(cap->oap); + } + } +} + +/* + * Call nv_ident() as if "c1" was used, with "c2" as next character. + */ + void +do_nv_ident(int c1, int c2) +{ + oparg_T oa; + cmdarg_T ca; + + clear_oparg(&oa); + vim_memset(&ca, 0, sizeof(ca)); + ca.oap = &oa; + ca.cmdchar = c1; + ca.nchar = c2; + nv_ident(&ca); +} + +/* + * Handle the commands that use the word under the cursor. + * [g] CTRL-] :ta to current identifier + * [g] 'K' run program for current identifier + * [g] '*' / to current identifier or string + * [g] '#' ? to current identifier or string + * g ']' :tselect for current identifier + */ + static void +nv_ident(cmdarg_T *cap) +{ + char_u *ptr = NULL; + char_u *buf; + unsigned buflen; + char_u *newbuf; + char_u *p; + char_u *kp; /* value of 'keywordprg' */ + int kp_help; /* 'keywordprg' is ":he" */ + int kp_ex; /* 'keywordprg' starts with ":" */ + int n = 0; /* init for GCC */ + int cmdchar; + int g_cmd; /* "g" command */ + int tag_cmd = FALSE; + char_u *aux_ptr; + int isman; + int isman_s; + + if (cap->cmdchar == 'g') /* "g*", "g#", "g]" and "gCTRL-]" */ + { + cmdchar = cap->nchar; + g_cmd = TRUE; + } + else + { + cmdchar = cap->cmdchar; + g_cmd = FALSE; + } + + if (cmdchar == POUND) /* the pound sign, '#' for English keyboards */ + cmdchar = '#'; + + /* + * The "]", "CTRL-]" and "K" commands accept an argument in Visual mode. + */ + if (cmdchar == ']' || cmdchar == Ctrl_RSB || cmdchar == 'K') + { + if (VIsual_active && get_visual_text(cap, &ptr, &n) == FAIL) + return; + if (checkclearopq(cap->oap)) + return; + } + + if (ptr == NULL && (n = find_ident_under_cursor(&ptr, + (cmdchar == '*' || cmdchar == '#') + ? FIND_IDENT|FIND_STRING : FIND_IDENT)) == 0) + { + clearop(cap->oap); + return; + } + + /* Allocate buffer to put the command in. Inserting backslashes can + * double the length of the word. p_kp / curbuf->b_p_kp could be added + * and some numbers. */ + kp = (*curbuf->b_p_kp == NUL ? p_kp : curbuf->b_p_kp); + kp_help = (*kp == NUL || STRCMP(kp, ":he") == 0 + || STRCMP(kp, ":help") == 0); + if (kp_help && *skipwhite(ptr) == NUL) + { + emsg(_(e_noident)); /* found white space only */ + return; + } + kp_ex = (*kp == ':'); + buflen = (unsigned)(n * 2 + 30 + STRLEN(kp)); + buf = alloc(buflen); + if (buf == NULL) + return; + buf[0] = NUL; + + switch (cmdchar) + { + case '*': + case '#': + /* + * Put cursor at start of word, makes search skip the word + * under the cursor. + * Call setpcmark() first, so "*``" puts the cursor back where + * it was. + */ + setpcmark(); + curwin->w_cursor.col = (colnr_T) (ptr - ml_get_curline()); + + if (!g_cmd && vim_iswordp(ptr)) + STRCPY(buf, "\\<"); + no_smartcase = TRUE; /* don't use 'smartcase' now */ + break; + + case 'K': + if (kp_help) + STRCPY(buf, "he! "); + else if (kp_ex) + { + if (cap->count0 != 0) + vim_snprintf((char *)buf, buflen, "%s %ld", + kp, cap->count0); + else + STRCPY(buf, kp); + STRCAT(buf, " "); + } + else + { + /* An external command will probably use an argument starting + * with "-" as an option. To avoid trouble we skip the "-". */ + while (*ptr == '-' && n > 0) + { + ++ptr; + --n; + } + if (n == 0) + { + emsg(_(e_noident)); /* found dashes only */ + vim_free(buf); + return; + } + + /* When a count is given, turn it into a range. Is this + * really what we want? */ + isman = (STRCMP(kp, "man") == 0); + isman_s = (STRCMP(kp, "man -s") == 0); + if (cap->count0 != 0 && !(isman || isman_s)) + sprintf((char *)buf, ".,.+%ld", cap->count0 - 1); + + STRCAT(buf, "! "); + if (cap->count0 == 0 && isman_s) + STRCAT(buf, "man"); + else + STRCAT(buf, kp); + STRCAT(buf, " "); + if (cap->count0 != 0 && (isman || isman_s)) + { + sprintf((char *)buf + STRLEN(buf), "%ld", cap->count0); + STRCAT(buf, " "); + } + } + break; + + case ']': + tag_cmd = TRUE; +#ifdef FEAT_CSCOPE + if (p_cst) + STRCPY(buf, "cstag "); + else +#endif + STRCPY(buf, "ts "); + break; + + default: + tag_cmd = TRUE; + if (curbuf->b_help) + STRCPY(buf, "he! "); + else + { + if (g_cmd) + STRCPY(buf, "tj "); + else + sprintf((char *)buf, "%ldta ", cap->count0); + } + } + + /* + * Now grab the chars in the identifier + */ + if (cmdchar == 'K' && !kp_help) + { + ptr = vim_strnsave(ptr, n); + if (kp_ex) + /* Escape the argument properly for an Ex command */ + p = vim_strsave_fnameescape(ptr, FALSE); + else + /* Escape the argument properly for a shell command */ + p = vim_strsave_shellescape(ptr, TRUE, TRUE); + vim_free(ptr); + if (p == NULL) + { + vim_free(buf); + return; + } + newbuf = (char_u *)vim_realloc(buf, STRLEN(buf) + STRLEN(p) + 1); + if (newbuf == NULL) + { + vim_free(buf); + vim_free(p); + return; + } + buf = newbuf; + STRCAT(buf, p); + vim_free(p); + } + else + { + if (cmdchar == '*') + aux_ptr = (char_u *)(p_magic ? "/.*~[^$\\" : "/^$\\"); + else if (cmdchar == '#') + aux_ptr = (char_u *)(p_magic ? "/?.*~[^$\\" : "/?^$\\"); + else if (tag_cmd) + { + if (curbuf->b_help) + /* ":help" handles unescaped argument */ + aux_ptr = (char_u *)""; + else + aux_ptr = (char_u *)"\\|\"\n["; + } + else + aux_ptr = (char_u *)"\\|\"\n*?["; + + p = buf + STRLEN(buf); + while (n-- > 0) + { + /* put a backslash before \ and some others */ + if (vim_strchr(aux_ptr, *ptr) != NULL) + *p++ = '\\'; + /* When current byte is a part of multibyte character, copy all + * bytes of that character. */ + if (has_mbyte) + { + int i; + int len = (*mb_ptr2len)(ptr) - 1; + + for (i = 0; i < len && n >= 1; ++i, --n) + *p++ = *ptr++; + } + *p++ = *ptr++; + } + *p = NUL; + } + + /* + * Execute the command. + */ + if (cmdchar == '*' || cmdchar == '#') + { + if (!g_cmd && (has_mbyte + ? vim_iswordp(mb_prevptr(ml_get_curline(), ptr)) + : vim_iswordc(ptr[-1]))) + STRCAT(buf, "\\>"); +#ifdef FEAT_CMDHIST + /* put pattern in search history */ + init_history(); + add_to_history(HIST_SEARCH, buf, TRUE, NUL); +#endif + (void)normal_search(cap, cmdchar == '*' ? '/' : '?', buf, 0); + } + else + do_cmdline_cmd(buf); + + vim_free(buf); +} + +/* + * Get visually selected text, within one line only. + * Returns FAIL if more than one line selected. + */ + int +get_visual_text( + cmdarg_T *cap, + char_u **pp, /* return: start of selected text */ + int *lenp) /* return: length of selected text */ +{ + if (VIsual_mode != 'V') + unadjust_for_sel(); + if (VIsual.lnum != curwin->w_cursor.lnum) + { + if (cap != NULL) + clearopbeep(cap->oap); + return FAIL; + } + if (VIsual_mode == 'V') + { + *pp = ml_get_curline(); + *lenp = (int)STRLEN(*pp); + } + else + { + if (LT_POS(curwin->w_cursor, VIsual)) + { + *pp = ml_get_pos(&curwin->w_cursor); + *lenp = VIsual.col - curwin->w_cursor.col + 1; + } + else + { + *pp = ml_get_pos(&VIsual); + *lenp = curwin->w_cursor.col - VIsual.col + 1; + } + if (has_mbyte) + /* Correct the length to include the whole last character. */ + *lenp += (*mb_ptr2len)(*pp + (*lenp - 1)) - 1; + } + reset_VIsual_and_resel(); + return OK; +} + +/* + * CTRL-T: backwards in tag stack + */ + static void +nv_tagpop(cmdarg_T *cap) +{ + if (!checkclearopq(cap->oap)) + do_tag((char_u *)"", DT_POP, (int)cap->count1, FALSE, TRUE); +} + +/* + * Handle scrolling command 'H', 'L' and 'M'. + */ + static void +nv_scroll(cmdarg_T *cap) +{ + int used = 0; + long n; +#ifdef FEAT_FOLDING + linenr_T lnum; +#endif + int half; + + cap->oap->motion_type = MLINE; + setpcmark(); + + if (cap->cmdchar == 'L') + { + validate_botline(); /* make sure curwin->w_botline is valid */ + curwin->w_cursor.lnum = curwin->w_botline - 1; + if (cap->count1 - 1 >= curwin->w_cursor.lnum) + curwin->w_cursor.lnum = 1; + else + { +#ifdef FEAT_FOLDING + if (hasAnyFolding(curwin)) + { + /* Count a fold for one screen line. */ + for (n = cap->count1 - 1; n > 0 + && curwin->w_cursor.lnum > curwin->w_topline; --n) + { + (void)hasFolding(curwin->w_cursor.lnum, + &curwin->w_cursor.lnum, NULL); + --curwin->w_cursor.lnum; + } + } + else +#endif + curwin->w_cursor.lnum -= cap->count1 - 1; + } + } + else + { + if (cap->cmdchar == 'M') + { +#ifdef FEAT_DIFF + /* Don't count filler lines above the window. */ + used -= diff_check_fill(curwin, curwin->w_topline) + - curwin->w_topfill; +#endif + validate_botline(); /* make sure w_empty_rows is valid */ + half = (curwin->w_height - curwin->w_empty_rows + 1) / 2; + for (n = 0; curwin->w_topline + n < curbuf->b_ml.ml_line_count; ++n) + { +#ifdef FEAT_DIFF + /* Count half he number of filler lines to be "below this + * line" and half to be "above the next line". */ + if (n > 0 && used + diff_check_fill(curwin, curwin->w_topline + + n) / 2 >= half) + { + --n; + break; + } +#endif + used += plines(curwin->w_topline + n); + if (used >= half) + break; +#ifdef FEAT_FOLDING + if (hasFolding(curwin->w_topline + n, NULL, &lnum)) + n = lnum - curwin->w_topline; +#endif + } + if (n > 0 && used > curwin->w_height) + --n; + } + else /* (cap->cmdchar == 'H') */ + { + n = cap->count1 - 1; +#ifdef FEAT_FOLDING + if (hasAnyFolding(curwin)) + { + /* Count a fold for one screen line. */ + lnum = curwin->w_topline; + while (n-- > 0 && lnum < curwin->w_botline - 1) + { + (void)hasFolding(lnum, NULL, &lnum); + ++lnum; + } + n = lnum - curwin->w_topline; + } +#endif + } + curwin->w_cursor.lnum = curwin->w_topline + n; + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + } + + /* Correct for 'so', except when an operator is pending. */ + if (cap->oap->op_type == OP_NOP) + cursor_correct(); + beginline(BL_SOL | BL_FIX); +} + +/* + * Cursor right commands. + */ + static void +nv_right(cmdarg_T *cap) +{ + long n; + int past_line; + + if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) + { + /* <C-Right> and <S-Right> move a word or WORD right */ + if (mod_mask & MOD_MASK_CTRL) + cap->arg = TRUE; + nv_wordcmd(cap); + return; + } + + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + past_line = (VIsual_active && *p_sel != 'o'); + + /* + * In virtual edit mode, there's no such thing as "past_line", as lines + * are (theoretically) infinitely long. + */ + if (virtual_active()) + past_line = 0; + + for (n = cap->count1; n > 0; --n) + { + if ((!past_line && oneright() == FAIL) + || (past_line && *ml_get_cursor() == NUL) + ) + { + /* + * <Space> wraps to next line if 'whichwrap' has 's'. + * 'l' wraps to next line if 'whichwrap' has 'l'. + * CURS_RIGHT wraps to next line if 'whichwrap' has '>'. + */ + if ( ((cap->cmdchar == ' ' + && vim_strchr(p_ww, 's') != NULL) + || (cap->cmdchar == 'l' + && vim_strchr(p_ww, 'l') != NULL) + || (cap->cmdchar == K_RIGHT + && vim_strchr(p_ww, '>') != NULL)) + && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) + { + /* When deleting we also count the NL as a character. + * Set cap->oap->inclusive when last char in the line is + * included, move to next line after that */ + if ( cap->oap->op_type != OP_NOP + && !cap->oap->inclusive + && !LINEEMPTY(curwin->w_cursor.lnum)) + cap->oap->inclusive = TRUE; + else + { + ++curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + curwin->w_cursor.coladd = 0; + curwin->w_set_curswant = TRUE; + cap->oap->inclusive = FALSE; + } + continue; + } + if (cap->oap->op_type == OP_NOP) + { + /* Only beep and flush if not moved at all */ + if (n == cap->count1) + beep_flush(); + } + else + { + if (!LINEEMPTY(curwin->w_cursor.lnum)) + cap->oap->inclusive = TRUE; + } + break; + } + else if (past_line) + { + curwin->w_set_curswant = TRUE; + if (virtual_active()) + oneright(); + else + { + if (has_mbyte) + curwin->w_cursor.col += + (*mb_ptr2len)(ml_get_cursor()); + else + ++curwin->w_cursor.col; + } + } + } +#ifdef FEAT_FOLDING + if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped + && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif +} + +/* + * Cursor left commands. + * + * Returns TRUE when operator end should not be adjusted. + */ + static void +nv_left(cmdarg_T *cap) +{ + long n; + + if (mod_mask & (MOD_MASK_SHIFT | MOD_MASK_CTRL)) + { + /* <C-Left> and <S-Left> move a word or WORD left */ + if (mod_mask & MOD_MASK_CTRL) + cap->arg = 1; + nv_bck_word(cap); + return; + } + + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + for (n = cap->count1; n > 0; --n) + { + if (oneleft() == FAIL) + { + /* <BS> and <Del> wrap to previous line if 'whichwrap' has 'b'. + * 'h' wraps to previous line if 'whichwrap' has 'h'. + * CURS_LEFT wraps to previous line if 'whichwrap' has '<'. + */ + if ( (((cap->cmdchar == K_BS + || cap->cmdchar == Ctrl_H) + && vim_strchr(p_ww, 'b') != NULL) + || (cap->cmdchar == 'h' + && vim_strchr(p_ww, 'h') != NULL) + || (cap->cmdchar == K_LEFT + && vim_strchr(p_ww, '<') != NULL)) + && curwin->w_cursor.lnum > 1) + { + --(curwin->w_cursor.lnum); + coladvance((colnr_T)MAXCOL); + curwin->w_set_curswant = TRUE; + + /* When the NL before the first char has to be deleted we + * put the cursor on the NUL after the previous line. + * This is a very special case, be careful! + * Don't adjust op_end now, otherwise it won't work. */ + if ( (cap->oap->op_type == OP_DELETE + || cap->oap->op_type == OP_CHANGE) + && !LINEEMPTY(curwin->w_cursor.lnum)) + { + char_u *cp = ml_get_cursor(); + + if (*cp != NUL) + { + if (has_mbyte) + curwin->w_cursor.col += (*mb_ptr2len)(cp); + else + ++curwin->w_cursor.col; + } + cap->retval |= CA_NO_ADJ_OP_END; + } + continue; + } + /* Only beep and flush if not moved at all */ + else if (cap->oap->op_type == OP_NOP && n == cap->count1) + beep_flush(); + break; + } + } +#ifdef FEAT_FOLDING + if (n != cap->count1 && (fdo_flags & FDO_HOR) && KeyTyped + && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif +} + +/* + * Cursor up commands. + * cap->arg is TRUE for "-": Move cursor to first non-blank. + */ + static void +nv_up(cmdarg_T *cap) +{ + if (mod_mask & MOD_MASK_SHIFT) + { + /* <S-Up> is page up */ + cap->arg = BACKWARD; + nv_page(cap); + } + else + { + cap->oap->motion_type = MLINE; + if (cursor_up(cap->count1, cap->oap->op_type == OP_NOP) == FAIL) + clearopbeep(cap->oap); + else if (cap->arg) + beginline(BL_WHITE | BL_FIX); + } +} + +/* + * Cursor down commands. + * cap->arg is TRUE for CR and "+": Move cursor to first non-blank. + */ + static void +nv_down(cmdarg_T *cap) +{ + if (mod_mask & MOD_MASK_SHIFT) + { + /* <S-Down> is page down */ + cap->arg = FORWARD; + nv_page(cap); + } +#if defined(FEAT_QUICKFIX) + /* Quickfix window only: view the result under the cursor. */ + else if (bt_quickfix(curbuf) && cap->cmdchar == CAR) + qf_view_result(FALSE); +#endif + else + { +#ifdef FEAT_CMDWIN + /* In the cmdline window a <CR> executes the command. */ + if (cmdwin_type != 0 && cap->cmdchar == CAR) + cmdwin_result = CAR; + else +#endif +#ifdef FEAT_JOB_CHANNEL + /* In a prompt buffer a <CR> in the last line invokes the callback. */ + if (bt_prompt(curbuf) && cap->cmdchar == CAR + && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count) + { + invoke_prompt_callback(); + if (restart_edit == 0) + restart_edit = 'a'; + } + else +#endif + { + cap->oap->motion_type = MLINE; + if (cursor_down(cap->count1, cap->oap->op_type == OP_NOP) == FAIL) + clearopbeep(cap->oap); + else if (cap->arg) + beginline(BL_WHITE | BL_FIX); + } + } +} + +#ifdef FEAT_SEARCHPATH +/* + * Grab the file name under the cursor and edit it. + */ + static void +nv_gotofile(cmdarg_T *cap) +{ + char_u *ptr; + linenr_T lnum = -1; + + if (text_locked()) + { + clearopbeep(cap->oap); + text_locked_msg(); + return; + } + if (curbuf_locked()) + { + clearop(cap->oap); + return; + } + + ptr = grab_file_name(cap->count1, &lnum); + + if (ptr != NULL) + { + /* do autowrite if necessary */ + if (curbufIsChanged() && curbuf->b_nwindows <= 1 && !buf_hide(curbuf)) + (void)autowrite(curbuf, FALSE); + setpcmark(); + if (do_ecmd(0, ptr, NULL, NULL, ECMD_LAST, + buf_hide(curbuf) ? ECMD_HIDE : 0, curwin) == OK + && cap->nchar == 'F' && lnum >= 0) + { + curwin->w_cursor.lnum = lnum; + check_cursor_lnum(); + beginline(BL_SOL | BL_FIX); + } + vim_free(ptr); + } + else + clearop(cap->oap); +} +#endif + +/* + * <End> command: to end of current line or last line. + */ + static void +nv_end(cmdarg_T *cap) +{ + if (cap->arg || (mod_mask & MOD_MASK_CTRL)) /* CTRL-END = goto last line */ + { + cap->arg = TRUE; + nv_goto(cap); + cap->count1 = 1; /* to end of current line */ + } + nv_dollar(cap); +} + +/* + * Handle the "$" command. + */ + static void +nv_dollar(cmdarg_T *cap) +{ + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = TRUE; + /* In virtual mode when off the edge of a line and an operator + * is pending (whew!) keep the cursor where it is. + * Otherwise, send it to the end of the line. */ + if (!virtual_active() || gchar_cursor() != NUL + || cap->oap->op_type == OP_NOP) + curwin->w_curswant = MAXCOL; /* so we stay at the end */ + if (cursor_down((long)(cap->count1 - 1), + cap->oap->op_type == OP_NOP) == FAIL) + clearopbeep(cap->oap); +#ifdef FEAT_FOLDING + else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif +} + +/* + * Implementation of '?' and '/' commands. + * If cap->arg is TRUE don't set PC mark. + */ + static void +nv_search(cmdarg_T *cap) +{ + oparg_T *oap = cap->oap; + pos_T save_cursor = curwin->w_cursor; + + if (cap->cmdchar == '?' && cap->oap->op_type == OP_ROT13) + { + /* Translate "g??" to "g?g?" */ + cap->cmdchar = 'g'; + cap->nchar = '?'; + nv_operator(cap); + return; + } + + /* When using 'incsearch' the cursor may be moved to set a different search + * start position. */ + cap->searchbuf = getcmdline(cap->cmdchar, cap->count1, 0); + + if (cap->searchbuf == NULL) + { + clearop(oap); + return; + } + + (void)normal_search(cap, cap->cmdchar, cap->searchbuf, + (cap->arg || !EQUAL_POS(save_cursor, curwin->w_cursor)) + ? 0 : SEARCH_MARK); +} + +/* + * Handle "N" and "n" commands. + * cap->arg is SEARCH_REV for "N", 0 for "n". + */ + static void +nv_next(cmdarg_T *cap) +{ + pos_T old = curwin->w_cursor; + int i = normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg); + + if (i == 1 && EQUAL_POS(old, curwin->w_cursor)) + { + /* Avoid getting stuck on the current cursor position, which can + * happen when an offset is given and the cursor is on the last char + * in the buffer: Repeat with count + 1. */ + cap->count1 += 1; + (void)normal_search(cap, 0, NULL, SEARCH_MARK | cap->arg); + cap->count1 -= 1; + } +} + +/* + * Search for "pat" in direction "dir" ('/' or '?', 0 for repeat). + * Uses only cap->count1 and cap->oap from "cap". + * Return 0 for failure, 1 for found, 2 for found and line offset added. + */ + static int +normal_search( + cmdarg_T *cap, + int dir, + char_u *pat, + int opt) /* extra flags for do_search() */ +{ + int i; + + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + cap->oap->use_reg_one = TRUE; + curwin->w_set_curswant = TRUE; + + i = do_search(cap->oap, dir, pat, cap->count1, + opt | SEARCH_OPT | SEARCH_ECHO | SEARCH_MSG, NULL, NULL); + if (i == 0) + clearop(cap->oap); + else + { + if (i == 2) + cap->oap->motion_type = MLINE; + curwin->w_cursor.coladd = 0; +#ifdef FEAT_FOLDING + if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped) + foldOpenCursor(); +#endif + } + + /* "/$" will put the cursor after the end of the line, may need to + * correct that here */ + check_cursor(); + return i; +} + +/* + * Character search commands. + * cap->arg is BACKWARD for 'F' and 'T', FORWARD for 'f' and 't', TRUE for + * ',' and FALSE for ';'. + * cap->nchar is NUL for ',' and ';' (repeat the search) + */ + static void +nv_csearch(cmdarg_T *cap) +{ + int t_cmd; + + if (cap->cmdchar == 't' || cap->cmdchar == 'T') + t_cmd = TRUE; + else + t_cmd = FALSE; + + cap->oap->motion_type = MCHAR; + if (IS_SPECIAL(cap->nchar) || searchc(cap, t_cmd) == FAIL) + clearopbeep(cap->oap); + else + { + curwin->w_set_curswant = TRUE; + /* Include a Tab for "tx" and for "dfx". */ + if (gchar_cursor() == TAB && virtual_active() && cap->arg == FORWARD + && (t_cmd || cap->oap->op_type != OP_NOP)) + { + colnr_T scol, ecol; + + getvcol(curwin, &curwin->w_cursor, &scol, NULL, &ecol); + curwin->w_cursor.coladd = ecol - scol; + } + else + curwin->w_cursor.coladd = 0; + adjust_for_sel(cap); +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif + } +} + +/* + * "[" and "]" commands. + * cap->arg is BACKWARD for "[" and FORWARD for "]". + */ + static void +nv_brackets(cmdarg_T *cap) +{ + pos_T new_pos = {0, 0, 0}; + pos_T prev_pos; + pos_T *pos = NULL; /* init for GCC */ + pos_T old_pos; /* cursor position before command */ + int flag; + long n; + int findc; + int c; + + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + old_pos = curwin->w_cursor; + curwin->w_cursor.coladd = 0; // TODO: don't do this for an error. + +#ifdef FEAT_SEARCHPATH + /* + * "[f" or "]f" : Edit file under the cursor (same as "gf") + */ + if (cap->nchar == 'f') + nv_gotofile(cap); + else +#endif + +#ifdef FEAT_FIND_ID + /* + * Find the occurrence(s) of the identifier or define under cursor + * in current and included files or jump to the first occurrence. + * + * search list jump + * fwd bwd fwd bwd fwd bwd + * identifier "]i" "[i" "]I" "[I" "]^I" "[^I" + * define "]d" "[d" "]D" "[D" "]^D" "[^D" + */ + if (vim_strchr((char_u *) +# ifdef EBCDIC + "iI\005dD\067", +# else + "iI\011dD\004", +# endif + cap->nchar) != NULL) + { + char_u *ptr; + int len; + + if ((len = find_ident_under_cursor(&ptr, FIND_IDENT)) == 0) + clearop(cap->oap); + else + { + find_pattern_in_path(ptr, 0, len, TRUE, + cap->count0 == 0 ? !isupper(cap->nchar) : FALSE, + ((cap->nchar & 0xf) == ('d' & 0xf)) ? FIND_DEFINE : FIND_ANY, + cap->count1, + isupper(cap->nchar) ? ACTION_SHOW_ALL : + islower(cap->nchar) ? ACTION_SHOW : ACTION_GOTO, + cap->cmdchar == ']' ? curwin->w_cursor.lnum + 1 : (linenr_T)1, + (linenr_T)MAXLNUM); + curwin->w_set_curswant = TRUE; + } + } + else +#endif + + /* + * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')' + * "[#", "]#": go to start/end of Nth innermost #if..#endif construct. + * "[/", "[*", "]/", "]*": go to Nth comment start/end. + * "[m" or "]m" search for prev/next start of (Java) method. + * "[M" or "]M" search for prev/next end of (Java) method. + */ + if ( (cap->cmdchar == '[' + && vim_strchr((char_u *)"{(*/#mM", cap->nchar) != NULL) + || (cap->cmdchar == ']' + && vim_strchr((char_u *)"})*/#mM", cap->nchar) != NULL)) + { + if (cap->nchar == '*') + cap->nchar = '/'; + prev_pos.lnum = 0; + if (cap->nchar == 'm' || cap->nchar == 'M') + { + if (cap->cmdchar == '[') + findc = '{'; + else + findc = '}'; + n = 9999; + } + else + { + findc = cap->nchar; + n = cap->count1; + } + for ( ; n > 0; --n) + { + if ((pos = findmatchlimit(cap->oap, findc, + (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, 0)) == NULL) + { + if (new_pos.lnum == 0) /* nothing found */ + { + if (cap->nchar != 'm' && cap->nchar != 'M') + clearopbeep(cap->oap); + } + else + pos = &new_pos; /* use last one found */ + break; + } + prev_pos = new_pos; + curwin->w_cursor = *pos; + new_pos = *pos; + } + curwin->w_cursor = old_pos; + + /* + * Handle "[m", "]m", "[M" and "[M". The findmatchlimit() only + * brought us to the match for "[m" and "]M" when inside a method. + * Try finding the '{' or '}' we want to be at. + * Also repeat for the given count. + */ + if (cap->nchar == 'm' || cap->nchar == 'M') + { + /* norm is TRUE for "]M" and "[m" */ + int norm = ((findc == '{') == (cap->nchar == 'm')); + + n = cap->count1; + /* found a match: we were inside a method */ + if (prev_pos.lnum != 0) + { + pos = &prev_pos; + curwin->w_cursor = prev_pos; + if (norm) + --n; + } + else + pos = NULL; + while (n > 0) + { + for (;;) + { + if ((findc == '{' ? dec_cursor() : inc_cursor()) < 0) + { + /* if not found anything, that's an error */ + if (pos == NULL) + clearopbeep(cap->oap); + n = 0; + break; + } + c = gchar_cursor(); + if (c == '{' || c == '}') + { + /* Must have found end/start of class: use it. + * Or found the place to be at. */ + if ((c == findc && norm) || (n == 1 && !norm)) + { + new_pos = curwin->w_cursor; + pos = &new_pos; + n = 0; + } + /* if no match found at all, we started outside of the + * class and we're inside now. Just go on. */ + else if (new_pos.lnum == 0) + { + new_pos = curwin->w_cursor; + pos = &new_pos; + } + /* found start/end of other method: go to match */ + else if ((pos = findmatchlimit(cap->oap, findc, + (cap->cmdchar == '[') ? FM_BACKWARD : FM_FORWARD, + 0)) == NULL) + n = 0; + else + curwin->w_cursor = *pos; + break; + } + } + --n; + } + curwin->w_cursor = old_pos; + if (pos == NULL && new_pos.lnum != 0) + clearopbeep(cap->oap); + } + if (pos != NULL) + { + setpcmark(); + curwin->w_cursor = *pos; + curwin->w_set_curswant = TRUE; +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_BLOCK) && KeyTyped + && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif + } + } + + /* + * "[[", "[]", "]]" and "][": move to start or end of function + */ + else if (cap->nchar == '[' || cap->nchar == ']') + { + if (cap->nchar == cap->cmdchar) /* "]]" or "[[" */ + flag = '{'; + else + flag = '}'; /* "][" or "[]" */ + + curwin->w_set_curswant = TRUE; + /* + * Imitate strange Vi behaviour: When using "]]" with an operator + * we also stop at '}'. + */ + if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, flag, + (cap->oap->op_type != OP_NOP + && cap->arg == FORWARD && flag == '{'))) + clearopbeep(cap->oap); + else + { + if (cap->oap->op_type == OP_NOP) + beginline(BL_WHITE | BL_FIX); +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif + } + } + + /* + * "[p", "[P", "]P" and "]p": put with indent adjustment + */ + else if (cap->nchar == 'p' || cap->nchar == 'P') + { + if (!checkclearop(cap->oap)) + { + int dir = (cap->cmdchar == ']' && cap->nchar == 'p') + ? FORWARD : BACKWARD; + int regname = cap->oap->regname; + int was_visual = VIsual_active; + int line_count = curbuf->b_ml.ml_line_count; + pos_T start, end; + + if (VIsual_active) + { + start = LTOREQ_POS(VIsual, curwin->w_cursor) + ? VIsual : curwin->w_cursor; + end = EQUAL_POS(start,VIsual) ? curwin->w_cursor : VIsual; + curwin->w_cursor = (dir == BACKWARD ? start : end); + } +# ifdef FEAT_CLIPBOARD + adjust_clip_reg(®name); +# endif + prep_redo_cmd(cap); + + do_put(regname, dir, cap->count1, PUT_FIXINDENT); + if (was_visual) + { + VIsual = start; + curwin->w_cursor = end; + if (dir == BACKWARD) + { + /* adjust lines */ + VIsual.lnum += curbuf->b_ml.ml_line_count - line_count; + curwin->w_cursor.lnum += + curbuf->b_ml.ml_line_count - line_count; + } + + VIsual_active = TRUE; + if (VIsual_mode == 'V') + { + /* delete visually selected lines */ + cap->cmdchar = 'd'; + cap->nchar = NUL; + cap->oap->regname = regname; + nv_operator(cap); + do_pending_operator(cap, 0, FALSE); + } + if (VIsual_active) + { + end_visual_mode(); + redraw_later(SOME_VALID); + } + } + } + } + + /* + * "['", "[`", "]'" and "]`": jump to next mark + */ + else if (cap->nchar == '\'' || cap->nchar == '`') + { + pos = &curwin->w_cursor; + for (n = cap->count1; n > 0; --n) + { + prev_pos = *pos; + pos = getnextmark(pos, cap->cmdchar == '[' ? BACKWARD : FORWARD, + cap->nchar == '\''); + if (pos == NULL) + break; + } + if (pos == NULL) + pos = &prev_pos; + nv_cursormark(cap, cap->nchar == '\'', pos); + } + +#ifdef FEAT_MOUSE + /* + * [ or ] followed by a middle mouse click: put selected text with + * indent adjustment. Any other button just does as usual. + */ + else if (cap->nchar >= K_RIGHTRELEASE && cap->nchar <= K_LEFTMOUSE) + { + (void)do_mouse(cap->oap, cap->nchar, + (cap->cmdchar == ']') ? FORWARD : BACKWARD, + cap->count1, PUT_FIXINDENT); + } +#endif /* FEAT_MOUSE */ + +#ifdef FEAT_FOLDING + /* + * "[z" and "]z": move to start or end of open fold. + */ + else if (cap->nchar == 'z') + { + if (foldMoveTo(FALSE, cap->cmdchar == ']' ? FORWARD : BACKWARD, + cap->count1) == FAIL) + clearopbeep(cap->oap); + } +#endif + +#ifdef FEAT_DIFF + /* + * "[c" and "]c": move to next or previous diff-change. + */ + else if (cap->nchar == 'c') + { + if (diff_move_to(cap->cmdchar == ']' ? FORWARD : BACKWARD, + cap->count1) == FAIL) + clearopbeep(cap->oap); + } +#endif + +#ifdef FEAT_SPELL + /* + * "[s", "[S", "]s" and "]S": move to next spell error. + */ + else if (cap->nchar == 's' || cap->nchar == 'S') + { + setpcmark(); + for (n = 0; n < cap->count1; ++n) + if (spell_move_to(curwin, cap->cmdchar == ']' ? FORWARD : BACKWARD, + cap->nchar == 's' ? TRUE : FALSE, FALSE, NULL) == 0) + { + clearopbeep(cap->oap); + break; + } + else + curwin->w_set_curswant = TRUE; +# ifdef FEAT_FOLDING + if (cap->oap->op_type == OP_NOP && (fdo_flags & FDO_SEARCH) && KeyTyped) + foldOpenCursor(); +# endif + } +#endif + + /* Not a valid cap->nchar. */ + else + clearopbeep(cap->oap); +} + +/* + * Handle Normal mode "%" command. + */ + static void +nv_percent(cmdarg_T *cap) +{ + pos_T *pos; +#if defined(FEAT_FOLDING) + linenr_T lnum = curwin->w_cursor.lnum; +#endif + + cap->oap->inclusive = TRUE; + if (cap->count0) /* {cnt}% : goto {cnt} percentage in file */ + { + if (cap->count0 > 100) + clearopbeep(cap->oap); + else + { + cap->oap->motion_type = MLINE; + setpcmark(); + /* Round up, so CTRL-G will give same value. Watch out for a + * large line count, the line number must not go negative! */ + if (curbuf->b_ml.ml_line_count > 1000000) + curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count + 99L) + / 100L * cap->count0; + else + curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count * + cap->count0 + 99L) / 100L; + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + beginline(BL_SOL | BL_FIX); + } + } + else /* "%" : go to matching paren */ + { + cap->oap->motion_type = MCHAR; + cap->oap->use_reg_one = TRUE; + if ((pos = findmatch(cap->oap, NUL)) == NULL) + clearopbeep(cap->oap); + else + { + setpcmark(); + curwin->w_cursor = *pos; + curwin->w_set_curswant = TRUE; + curwin->w_cursor.coladd = 0; + adjust_for_sel(cap); + } + } +#ifdef FEAT_FOLDING + if (cap->oap->op_type == OP_NOP + && lnum != curwin->w_cursor.lnum + && (fdo_flags & FDO_PERCENT) + && KeyTyped) + foldOpenCursor(); +#endif +} + +/* + * Handle "(" and ")" commands. + * cap->arg is BACKWARD for "(" and FORWARD for ")". + */ + static void +nv_brace(cmdarg_T *cap) +{ + cap->oap->motion_type = MCHAR; + cap->oap->use_reg_one = TRUE; + /* The motion used to be inclusive for "(", but that is not what Vi does. */ + cap->oap->inclusive = FALSE; + curwin->w_set_curswant = TRUE; + + if (findsent(cap->arg, cap->count1) == FAIL) + clearopbeep(cap->oap); + else + { + /* Don't leave the cursor on the NUL past end of line. */ + adjust_cursor(cap->oap); + curwin->w_cursor.coladd = 0; +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif + } +} + +/* + * "m" command: Mark a position. + */ + static void +nv_mark(cmdarg_T *cap) +{ + if (!checkclearop(cap->oap)) + { + if (setmark(cap->nchar) == FAIL) + clearopbeep(cap->oap); + } +} + +/* + * "{" and "}" commands. + * cmd->arg is BACKWARD for "{" and FORWARD for "}". + */ + static void +nv_findpar(cmdarg_T *cap) +{ + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + cap->oap->use_reg_one = TRUE; + curwin->w_set_curswant = TRUE; + if (!findpar(&cap->oap->inclusive, cap->arg, cap->count1, NUL, FALSE)) + clearopbeep(cap->oap); + else + { + curwin->w_cursor.coladd = 0; +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_BLOCK) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif + } +} + +/* + * "u" command: Undo or make lower case. + */ + static void +nv_undo(cmdarg_T *cap) +{ + if (cap->oap->op_type == OP_LOWER || VIsual_active) + { + /* translate "<Visual>u" to "<Visual>gu" and "guu" to "gugu" */ + cap->cmdchar = 'g'; + cap->nchar = 'u'; + nv_operator(cap); + } + else + nv_kundo(cap); +} + +/* + * <Undo> command. + */ + static void +nv_kundo(cmdarg_T *cap) +{ + if (!checkclearopq(cap->oap)) + { +#ifdef FEAT_JOB_CHANNEL + if (bt_prompt(curbuf)) + { + clearopbeep(cap->oap); + return; + } +#endif + u_undo((int)cap->count1); + curwin->w_set_curswant = TRUE; + } +} + +/* + * Handle the "r" command. + */ + static void +nv_replace(cmdarg_T *cap) +{ + char_u *ptr; + int had_ctrl_v; + long n; + + if (checkclearop(cap->oap)) + return; +#ifdef FEAT_JOB_CHANNEL + if (bt_prompt(curbuf) && !prompt_curpos_editable()) + { + clearopbeep(cap->oap); + return; + } +#endif + + /* get another character */ + if (cap->nchar == Ctrl_V) + { + had_ctrl_v = Ctrl_V; + cap->nchar = get_literal(); + /* Don't redo a multibyte character with CTRL-V. */ + if (cap->nchar > DEL) + had_ctrl_v = NUL; + } + else + had_ctrl_v = NUL; + + /* Abort if the character is a special key. */ + if (IS_SPECIAL(cap->nchar)) + { + clearopbeep(cap->oap); + return; + } + + /* Visual mode "r" */ + if (VIsual_active) + { + if (got_int) + reset_VIsual(); + if (had_ctrl_v) + { + /* Use a special (negative) number to make a difference between a + * literal CR or NL and a line break. */ + if (cap->nchar == CAR) + cap->nchar = REPLACE_CR_NCHAR; + else if (cap->nchar == NL) + cap->nchar = REPLACE_NL_NCHAR; + } + nv_operator(cap); + return; + } + + /* Break tabs, etc. */ + if (virtual_active()) + { + if (u_save_cursor() == FAIL) + return; + if (gchar_cursor() == NUL) + { + /* Add extra space and put the cursor on the first one. */ + coladvance_force((colnr_T)(getviscol() + cap->count1)); + curwin->w_cursor.col -= cap->count1; + } + else if (gchar_cursor() == TAB) + coladvance_force(getviscol()); + } + + /* Abort if not enough characters to replace. */ + ptr = ml_get_cursor(); + if (STRLEN(ptr) < (unsigned)cap->count1 + || (has_mbyte && mb_charlen(ptr) < cap->count1)) + { + clearopbeep(cap->oap); + return; + } + + /* + * Replacing with a TAB is done by edit() when it is complicated because + * 'expandtab' or 'smarttab' is set. CTRL-V TAB inserts a literal TAB. + * Other characters are done below to avoid problems with things like + * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC). + */ + if (had_ctrl_v != Ctrl_V && cap->nchar == '\t' && (curbuf->b_p_et || p_sta)) + { + stuffnumReadbuff(cap->count1); + stuffcharReadbuff('R'); + stuffcharReadbuff('\t'); + stuffcharReadbuff(ESC); + return; + } + + /* save line for undo */ + if (u_save_cursor() == FAIL) + return; + + if (had_ctrl_v != Ctrl_V && (cap->nchar == '\r' || cap->nchar == '\n')) + { + /* + * Replace character(s) by a single newline. + * Strange vi behaviour: Only one newline is inserted. + * Delete the characters here. + * Insert the newline with an insert command, takes care of + * autoindent. The insert command depends on being on the last + * character of a line or not. + */ + (void)del_chars(cap->count1, FALSE); /* delete the characters */ + stuffcharReadbuff('\r'); + stuffcharReadbuff(ESC); + + /* Give 'r' to edit(), to get the redo command right. */ + invoke_edit(cap, TRUE, 'r', FALSE); + } + else + { + prep_redo(cap->oap->regname, cap->count1, + NUL, 'r', NUL, had_ctrl_v, cap->nchar); + + curbuf->b_op_start = curwin->w_cursor; + if (has_mbyte) + { + int old_State = State; + + if (cap->ncharC1 != 0) + AppendCharToRedobuff(cap->ncharC1); + if (cap->ncharC2 != 0) + AppendCharToRedobuff(cap->ncharC2); + + /* This is slow, but it handles replacing a single-byte with a + * multi-byte and the other way around. Also handles adding + * composing characters for utf-8. */ + for (n = cap->count1; n > 0; --n) + { + State = REPLACE; + if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y) + { + int c = ins_copychar(curwin->w_cursor.lnum + + (cap->nchar == Ctrl_Y ? -1 : 1)); + if (c != NUL) + ins_char(c); + else + /* will be decremented further down */ + ++curwin->w_cursor.col; + } + else + ins_char(cap->nchar); + State = old_State; + if (cap->ncharC1 != 0) + ins_char(cap->ncharC1); + if (cap->ncharC2 != 0) + ins_char(cap->ncharC2); + } + } + else + { + /* + * Replace the characters within one line. + */ + for (n = cap->count1; n > 0; --n) + { + /* + * Get ptr again, because u_save and/or showmatch() will have + * released the line. At the same time we let know that the + * line will be changed. + */ + ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE); + if (cap->nchar == Ctrl_E || cap->nchar == Ctrl_Y) + { + int c = ins_copychar(curwin->w_cursor.lnum + + (cap->nchar == Ctrl_Y ? -1 : 1)); + if (c != NUL) + ptr[curwin->w_cursor.col] = c; + } + else + ptr[curwin->w_cursor.col] = cap->nchar; + if (p_sm && msg_silent == 0) + showmatch(cap->nchar); + ++curwin->w_cursor.col; + } +#ifdef FEAT_NETBEANS_INTG + if (netbeans_active()) + { + colnr_T start = (colnr_T)(curwin->w_cursor.col - cap->count1); + + netbeans_removed(curbuf, curwin->w_cursor.lnum, start, + (long)cap->count1); + netbeans_inserted(curbuf, curwin->w_cursor.lnum, start, + &ptr[start], (int)cap->count1); + } +#endif + + /* mark the buffer as changed and prepare for displaying */ + changed_bytes(curwin->w_cursor.lnum, + (colnr_T)(curwin->w_cursor.col - cap->count1)); + } + --curwin->w_cursor.col; /* cursor on the last replaced char */ + /* if the character on the left of the current cursor is a multi-byte + * character, move two characters left */ + if (has_mbyte) + mb_adjust_cursor(); + curbuf->b_op_end = curwin->w_cursor; + curwin->w_set_curswant = TRUE; + set_last_insert(cap->nchar); + } +} + +/* + * 'o': Exchange start and end of Visual area. + * 'O': same, but in block mode exchange left and right corners. + */ + static void +v_swap_corners(int cmdchar) +{ + pos_T old_cursor; + colnr_T left, right; + + if (cmdchar == 'O' && VIsual_mode == Ctrl_V) + { + old_cursor = curwin->w_cursor; + getvcols(curwin, &old_cursor, &VIsual, &left, &right); + curwin->w_cursor.lnum = VIsual.lnum; + coladvance(left); + VIsual = curwin->w_cursor; + + curwin->w_cursor.lnum = old_cursor.lnum; + curwin->w_curswant = right; + /* 'selection "exclusive" and cursor at right-bottom corner: move it + * right one column */ + if (old_cursor.lnum >= VIsual.lnum && *p_sel == 'e') + ++curwin->w_curswant; + coladvance(curwin->w_curswant); + if (curwin->w_cursor.col == old_cursor.col + && (!virtual_active() + || curwin->w_cursor.coladd == old_cursor.coladd)) + { + curwin->w_cursor.lnum = VIsual.lnum; + if (old_cursor.lnum <= VIsual.lnum && *p_sel == 'e') + ++right; + coladvance(right); + VIsual = curwin->w_cursor; + + curwin->w_cursor.lnum = old_cursor.lnum; + coladvance(left); + curwin->w_curswant = left; + } + } + else + { + old_cursor = curwin->w_cursor; + curwin->w_cursor = VIsual; + VIsual = old_cursor; + curwin->w_set_curswant = TRUE; + } +} + +/* + * "R" (cap->arg is FALSE) and "gR" (cap->arg is TRUE). + */ + static void +nv_Replace(cmdarg_T *cap) +{ + if (VIsual_active) /* "R" is replace lines */ + { + cap->cmdchar = 'c'; + cap->nchar = NUL; + VIsual_mode_orig = VIsual_mode; /* remember original area for gv */ + VIsual_mode = 'V'; + nv_operator(cap); + } + else if (!checkclearopq(cap->oap)) + { + if (!curbuf->b_p_ma) + emsg(_(e_modifiable)); + else + { + if (virtual_active()) + coladvance(getviscol()); + invoke_edit(cap, FALSE, cap->arg ? 'V' : 'R', FALSE); + } + } +} + +/* + * "gr". + */ + static void +nv_vreplace(cmdarg_T *cap) +{ + if (VIsual_active) + { + cap->cmdchar = 'r'; + cap->nchar = cap->extra_char; + nv_replace(cap); /* Do same as "r" in Visual mode for now */ + } + else if (!checkclearopq(cap->oap)) + { + if (!curbuf->b_p_ma) + emsg(_(e_modifiable)); + else + { + if (cap->extra_char == Ctrl_V) /* get another character */ + cap->extra_char = get_literal(); + stuffcharReadbuff(cap->extra_char); + stuffcharReadbuff(ESC); + if (virtual_active()) + coladvance(getviscol()); + invoke_edit(cap, TRUE, 'v', FALSE); + } + } +} + +/* + * Swap case for "~" command, when it does not work like an operator. + */ + static void +n_swapchar(cmdarg_T *cap) +{ + long n; + pos_T startpos; + int did_change = 0; +#ifdef FEAT_NETBEANS_INTG + pos_T pos; + char_u *ptr; + int count; +#endif + + if (checkclearopq(cap->oap)) + return; + + if (LINEEMPTY(curwin->w_cursor.lnum) && vim_strchr(p_ww, '~') == NULL) + { + clearopbeep(cap->oap); + return; + } + + prep_redo_cmd(cap); + + if (u_save_cursor() == FAIL) + return; + + startpos = curwin->w_cursor; +#ifdef FEAT_NETBEANS_INTG + pos = startpos; +#endif + for (n = cap->count1; n > 0; --n) + { + did_change |= swapchar(cap->oap->op_type, &curwin->w_cursor); + inc_cursor(); + if (gchar_cursor() == NUL) + { + if (vim_strchr(p_ww, '~') != NULL + && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) + { +#ifdef FEAT_NETBEANS_INTG + if (netbeans_active()) + { + if (did_change) + { + ptr = ml_get(pos.lnum); + count = (int)STRLEN(ptr) - pos.col; + netbeans_removed(curbuf, pos.lnum, pos.col, + (long)count); + netbeans_inserted(curbuf, pos.lnum, pos.col, + &ptr[pos.col], count); + } + pos.col = 0; + pos.lnum++; + } +#endif + ++curwin->w_cursor.lnum; + curwin->w_cursor.col = 0; + if (n > 1) + { + if (u_savesub(curwin->w_cursor.lnum) == FAIL) + break; + u_clearline(); + } + } + else + break; + } + } +#ifdef FEAT_NETBEANS_INTG + if (did_change && netbeans_active()) + { + ptr = ml_get(pos.lnum); + count = curwin->w_cursor.col - pos.col; + netbeans_removed(curbuf, pos.lnum, pos.col, (long)count); + netbeans_inserted(curbuf, pos.lnum, pos.col, &ptr[pos.col], count); + } +#endif + + + check_cursor(); + curwin->w_set_curswant = TRUE; + if (did_change) + { + changed_lines(startpos.lnum, startpos.col, curwin->w_cursor.lnum + 1, + 0L); + curbuf->b_op_start = startpos; + curbuf->b_op_end = curwin->w_cursor; + if (curbuf->b_op_end.col > 0) + --curbuf->b_op_end.col; + } +} + +/* + * Move cursor to mark. + */ + static void +nv_cursormark(cmdarg_T *cap, int flag, pos_T *pos) +{ + if (check_mark(pos) == FAIL) + clearop(cap->oap); + else + { + if (cap->cmdchar == '\'' + || cap->cmdchar == '`' + || cap->cmdchar == '[' + || cap->cmdchar == ']') + setpcmark(); + curwin->w_cursor = *pos; + if (flag) + beginline(BL_WHITE | BL_FIX); + else + check_cursor(); + } + cap->oap->motion_type = flag ? MLINE : MCHAR; + if (cap->cmdchar == '`') + cap->oap->use_reg_one = TRUE; + cap->oap->inclusive = FALSE; /* ignored if not MCHAR */ + curwin->w_set_curswant = TRUE; +} + +/* + * Handle commands that are operators in Visual mode. + */ + static void +v_visop(cmdarg_T *cap) +{ + static char_u trans[] = "YyDdCcxdXdAAIIrr"; + + /* Uppercase means linewise, except in block mode, then "D" deletes till + * the end of the line, and "C" replaces till EOL */ + if (isupper(cap->cmdchar)) + { + if (VIsual_mode != Ctrl_V) + { + VIsual_mode_orig = VIsual_mode; + VIsual_mode = 'V'; + } + else if (cap->cmdchar == 'C' || cap->cmdchar == 'D') + curwin->w_curswant = MAXCOL; + } + cap->cmdchar = *(vim_strchr(trans, cap->cmdchar) + 1); + nv_operator(cap); +} + +/* + * "s" and "S" commands. + */ + static void +nv_subst(cmdarg_T *cap) +{ +#ifdef FEAT_TERMINAL + /* When showing output of term_dumpdiff() swap the top and botom. */ + if (term_swap_diff() == OK) + return; +#endif +#ifdef FEAT_JOB_CHANNEL + if (bt_prompt(curbuf) && !prompt_curpos_editable()) + { + clearopbeep(cap->oap); + return; + } +#endif + if (VIsual_active) /* "vs" and "vS" are the same as "vc" */ + { + if (cap->cmdchar == 'S') + { + VIsual_mode_orig = VIsual_mode; + VIsual_mode = 'V'; + } + cap->cmdchar = 'c'; + nv_operator(cap); + } + else + nv_optrans(cap); +} + +/* + * Abbreviated commands. + */ + static void +nv_abbrev(cmdarg_T *cap) +{ + if (cap->cmdchar == K_DEL || cap->cmdchar == K_KDEL) + cap->cmdchar = 'x'; /* DEL key behaves like 'x' */ + + /* in Visual mode these commands are operators */ + if (VIsual_active) + v_visop(cap); + else + nv_optrans(cap); +} + +/* + * Translate a command into another command. + */ + static void +nv_optrans(cmdarg_T *cap) +{ + static char_u *(ar[8]) = {(char_u *)"dl", (char_u *)"dh", + (char_u *)"d$", (char_u *)"c$", + (char_u *)"cl", (char_u *)"cc", + (char_u *)"yy", (char_u *)":s\r"}; + static char_u *str = (char_u *)"xXDCsSY&"; + + if (!checkclearopq(cap->oap)) + { + /* In Vi "2D" doesn't delete the next line. Can't translate it + * either, because "2." should also not use the count. */ + if (cap->cmdchar == 'D' && vim_strchr(p_cpo, CPO_HASH) != NULL) + { + cap->oap->start = curwin->w_cursor; + cap->oap->op_type = OP_DELETE; +#ifdef FEAT_EVAL + set_op_var(OP_DELETE); +#endif + cap->count1 = 1; + nv_dollar(cap); + finish_op = TRUE; + ResetRedobuff(); + AppendCharToRedobuff('D'); + } + else + { + if (cap->count0) + stuffnumReadbuff(cap->count0); + stuffReadbuff(ar[(int)(vim_strchr(str, cap->cmdchar) - str)]); + } + } + cap->opcount = 0; +} + +/* + * "'" and "`" commands. Also for "g'" and "g`". + * cap->arg is TRUE for "'" and "g'". + */ + static void +nv_gomark(cmdarg_T *cap) +{ + pos_T *pos; + int c; +#ifdef FEAT_FOLDING + pos_T old_cursor = curwin->w_cursor; + int old_KeyTyped = KeyTyped; /* getting file may reset it */ +#endif + + if (cap->cmdchar == 'g') + c = cap->extra_char; + else + c = cap->nchar; + pos = getmark(c, (cap->oap->op_type == OP_NOP)); + if (pos == (pos_T *)-1) /* jumped to other file */ + { + if (cap->arg) + { + check_cursor_lnum(); + beginline(BL_WHITE | BL_FIX); + } + else + check_cursor(); + } + else + nv_cursormark(cap, cap->arg, pos); + + /* May need to clear the coladd that a mark includes. */ + if (!virtual_active()) + curwin->w_cursor.coladd = 0; + check_cursor_col(); +#ifdef FEAT_FOLDING + if (cap->oap->op_type == OP_NOP + && pos != NULL + && (pos == (pos_T *)-1 || !EQUAL_POS(old_cursor, *pos)) + && (fdo_flags & FDO_MARK) + && old_KeyTyped) + foldOpenCursor(); +#endif +} + +/* + * Handle CTRL-O, CTRL-I, "g;" and "g," commands. + */ + static void +nv_pcmark(cmdarg_T *cap) +{ +#ifdef FEAT_JUMPLIST + pos_T *pos; +# ifdef FEAT_FOLDING + linenr_T lnum = curwin->w_cursor.lnum; + int old_KeyTyped = KeyTyped; /* getting file may reset it */ +# endif + + if (!checkclearopq(cap->oap)) + { + if (cap->cmdchar == 'g') + pos = movechangelist((int)cap->count1); + else + pos = movemark((int)cap->count1); + if (pos == (pos_T *)-1) /* jump to other file */ + { + curwin->w_set_curswant = TRUE; + check_cursor(); + } + else if (pos != NULL) /* can jump */ + nv_cursormark(cap, FALSE, pos); + else if (cap->cmdchar == 'g') + { + if (curbuf->b_changelistlen == 0) + emsg(_("E664: changelist is empty")); + else if (cap->count1 < 0) + emsg(_("E662: At start of changelist")); + else + emsg(_("E663: At end of changelist")); + } + else + clearopbeep(cap->oap); +# ifdef FEAT_FOLDING + if (cap->oap->op_type == OP_NOP + && (pos == (pos_T *)-1 || lnum != curwin->w_cursor.lnum) + && (fdo_flags & FDO_MARK) + && old_KeyTyped) + foldOpenCursor(); +# endif + } +#else + clearopbeep(cap->oap); +#endif +} + +/* + * Handle '"' command. + */ + static void +nv_regname(cmdarg_T *cap) +{ + if (checkclearop(cap->oap)) + return; +#ifdef FEAT_EVAL + if (cap->nchar == '=') + cap->nchar = get_expr_register(); +#endif + if (cap->nchar != NUL && valid_yank_reg(cap->nchar, FALSE)) + { + cap->oap->regname = cap->nchar; + cap->opcount = cap->count0; /* remember count before '"' */ +#ifdef FEAT_EVAL + set_reg_var(cap->oap->regname); +#endif + } + else + clearopbeep(cap->oap); +} + +/* + * Handle "v", "V" and "CTRL-V" commands. + * Also for "gh", "gH" and "g^H" commands: Always start Select mode, cap->arg + * is TRUE. + * Handle CTRL-Q just like CTRL-V. + */ + static void +nv_visual(cmdarg_T *cap) +{ + if (cap->cmdchar == Ctrl_Q) + cap->cmdchar = Ctrl_V; + + /* 'v', 'V' and CTRL-V can be used while an operator is pending to make it + * characterwise, linewise, or blockwise. */ + if (cap->oap->op_type != OP_NOP) + { + motion_force = cap->oap->motion_force = cap->cmdchar; + finish_op = FALSE; /* operator doesn't finish now but later */ + return; + } + + VIsual_select = cap->arg; + if (VIsual_active) /* change Visual mode */ + { + if (VIsual_mode == cap->cmdchar) /* stop visual mode */ + end_visual_mode(); + else /* toggle char/block mode */ + { /* or char/line mode */ + VIsual_mode = cap->cmdchar; + showmode(); + } + redraw_curbuf_later(INVERTED); /* update the inversion */ + } + else /* start Visual mode */ + { + check_visual_highlight(); + if (cap->count0 > 0 && resel_VIsual_mode != NUL) + { + /* use previously selected part */ + VIsual = curwin->w_cursor; + + VIsual_active = TRUE; + VIsual_reselect = TRUE; + if (!cap->arg) + /* start Select mode when 'selectmode' contains "cmd" */ + may_start_select('c'); +#ifdef FEAT_MOUSE + setmouse(); +#endif + if (p_smd && msg_silent == 0) + redraw_cmdline = TRUE; /* show visual mode later */ + /* + * For V and ^V, we multiply the number of lines even if there + * was only one -- webb + */ + if (resel_VIsual_mode != 'v' || resel_VIsual_line_count > 1) + { + curwin->w_cursor.lnum += + resel_VIsual_line_count * cap->count0 - 1; + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + } + VIsual_mode = resel_VIsual_mode; + if (VIsual_mode == 'v') + { + if (resel_VIsual_line_count <= 1) + { + validate_virtcol(); + curwin->w_curswant = curwin->w_virtcol + + resel_VIsual_vcol * cap->count0 - 1; + } + else + curwin->w_curswant = resel_VIsual_vcol; + coladvance(curwin->w_curswant); + } + if (resel_VIsual_vcol == MAXCOL) + { + curwin->w_curswant = MAXCOL; + coladvance((colnr_T)MAXCOL); + } + else if (VIsual_mode == Ctrl_V) + { + validate_virtcol(); + curwin->w_curswant = curwin->w_virtcol + + resel_VIsual_vcol * cap->count0 - 1; + coladvance(curwin->w_curswant); + } + else + curwin->w_set_curswant = TRUE; + redraw_curbuf_later(INVERTED); /* show the inversion */ + } + else + { + if (!cap->arg) + /* start Select mode when 'selectmode' contains "cmd" */ + may_start_select('c'); + n_start_visual_mode(cap->cmdchar); + if (VIsual_mode != 'V' && *p_sel == 'e') + ++cap->count1; /* include one more char */ + if (cap->count0 > 0 && --cap->count1 > 0) + { + /* With a count select that many characters or lines. */ + if (VIsual_mode == 'v' || VIsual_mode == Ctrl_V) + nv_right(cap); + else if (VIsual_mode == 'V') + nv_down(cap); + } + } + } +} + +/* + * Start selection for Shift-movement keys. + */ + void +start_selection(void) +{ + /* if 'selectmode' contains "key", start Select mode */ + may_start_select('k'); + n_start_visual_mode('v'); +} + +/* + * Start Select mode, if "c" is in 'selectmode' and not in a mapping or menu. + */ + void +may_start_select(int c) +{ + VIsual_select = (stuff_empty() && typebuf_typed() + && (vim_strchr(p_slm, c) != NULL)); +} + +/* + * Start Visual mode "c". + * Should set VIsual_select before calling this. + */ + static void +n_start_visual_mode(int c) +{ +#ifdef FEAT_CONCEAL + /* Check for redraw before changing the state. */ + conceal_check_cursor_line(); +#endif + + VIsual_mode = c; + VIsual_active = TRUE; + VIsual_reselect = TRUE; + + // Corner case: the 0 position in a tab may change when going into + // virtualedit. Recalculate curwin->w_cursor to avoid bad hilighting. + if (c == Ctrl_V && (ve_flags & VE_BLOCK) && gchar_cursor() == TAB) + { + validate_virtcol(); + coladvance(curwin->w_virtcol); + } + VIsual = curwin->w_cursor; + +#ifdef FEAT_FOLDING + foldAdjustVisual(); +#endif + +#ifdef FEAT_MOUSE + setmouse(); +#endif +#ifdef FEAT_CONCEAL + /* Check for redraw after changing the state. */ + conceal_check_cursor_line(); +#endif + + if (p_smd && msg_silent == 0) + redraw_cmdline = TRUE; /* show visual mode later */ +#ifdef FEAT_CLIPBOARD + /* Make sure the clipboard gets updated. Needed because start and + * end may still be the same, and the selection needs to be owned */ + clip_star.vmode = NUL; +#endif + + /* Only need to redraw this line, unless still need to redraw an old + * Visual area (when 'lazyredraw' is set). */ + if (curwin->w_redr_type < INVERTED) + { + curwin->w_old_cursor_lnum = curwin->w_cursor.lnum; + curwin->w_old_visual_lnum = curwin->w_cursor.lnum; + } +} + + +/* + * CTRL-W: Window commands + */ + static void +nv_window(cmdarg_T *cap) +{ + if (cap->nchar == ':') + { + /* "CTRL-W :" is the same as typing ":"; useful in a terminal window */ + cap->cmdchar = ':'; + cap->nchar = NUL; + nv_colon(cap); + } + else if (!checkclearop(cap->oap)) + do_window(cap->nchar, cap->count0, NUL); /* everything is in window.c */ +} + +/* + * CTRL-Z: Suspend + */ + static void +nv_suspend(cmdarg_T *cap) +{ + clearop(cap->oap); + if (VIsual_active) + end_visual_mode(); /* stop Visual mode */ + do_cmdline_cmd((char_u *)"st"); +} + +/* + * Commands starting with "g". + */ + static void +nv_g_cmd(cmdarg_T *cap) +{ + oparg_T *oap = cap->oap; + pos_T tpos; + int i; + int flag = FALSE; + + switch (cap->nchar) + { + case Ctrl_A: + case Ctrl_X: +#ifdef MEM_PROFILE + /* + * "g^A": dump log of used memory. + */ + if (!VIsual_active && cap->nchar == Ctrl_A) + vim_mem_profile_dump(); + else +#endif + /* + * "g^A/g^X": sequentially increment visually selected region + */ + if (VIsual_active) + { + cap->arg = TRUE; + cap->cmdchar = cap->nchar; + cap->nchar = NUL; + nv_addsub(cap); + } + else + clearopbeep(oap); + break; + + /* + * "gR": Enter virtual replace mode. + */ + case 'R': + cap->arg = TRUE; + nv_Replace(cap); + break; + + case 'r': + nv_vreplace(cap); + break; + + case '&': + do_cmdline_cmd((char_u *)"%s//~/&"); + break; + + /* + * "gv": Reselect the previous Visual area. If Visual already active, + * exchange previous and current Visual area. + */ + case 'v': + if (checkclearop(oap)) + break; + + if ( curbuf->b_visual.vi_start.lnum == 0 + || curbuf->b_visual.vi_start.lnum > curbuf->b_ml.ml_line_count + || curbuf->b_visual.vi_end.lnum == 0) + beep_flush(); + else + { + /* set w_cursor to the start of the Visual area, tpos to the end */ + if (VIsual_active) + { + i = VIsual_mode; + VIsual_mode = curbuf->b_visual.vi_mode; + curbuf->b_visual.vi_mode = i; +# ifdef FEAT_EVAL + curbuf->b_visual_mode_eval = i; +# endif + i = curwin->w_curswant; + curwin->w_curswant = curbuf->b_visual.vi_curswant; + curbuf->b_visual.vi_curswant = i; + + tpos = curbuf->b_visual.vi_end; + curbuf->b_visual.vi_end = curwin->w_cursor; + curwin->w_cursor = curbuf->b_visual.vi_start; + curbuf->b_visual.vi_start = VIsual; + } + else + { + VIsual_mode = curbuf->b_visual.vi_mode; + curwin->w_curswant = curbuf->b_visual.vi_curswant; + tpos = curbuf->b_visual.vi_end; + curwin->w_cursor = curbuf->b_visual.vi_start; + } + + VIsual_active = TRUE; + VIsual_reselect = TRUE; + + /* Set Visual to the start and w_cursor to the end of the Visual + * area. Make sure they are on an existing character. */ + check_cursor(); + VIsual = curwin->w_cursor; + curwin->w_cursor = tpos; + check_cursor(); + update_topline(); + /* + * When called from normal "g" command: start Select mode when + * 'selectmode' contains "cmd". When called for K_SELECT, always + * start Select mode. + */ + if (cap->arg) + VIsual_select = TRUE; + else + may_start_select('c'); +#ifdef FEAT_MOUSE + setmouse(); +#endif +#ifdef FEAT_CLIPBOARD + /* Make sure the clipboard gets updated. Needed because start and + * end are still the same, and the selection needs to be owned */ + clip_star.vmode = NUL; +#endif + redraw_curbuf_later(INVERTED); + showmode(); + } + break; + /* + * "gV": Don't reselect the previous Visual area after a Select mode + * mapping of menu. + */ + case 'V': + VIsual_reselect = FALSE; + break; + + /* + * "gh": start Select mode. + * "gH": start Select line mode. + * "g^H": start Select block mode. + */ + case K_BS: + cap->nchar = Ctrl_H; + /* FALLTHROUGH */ + case 'h': + case 'H': + case Ctrl_H: +# ifdef EBCDIC + /* EBCDIC: 'v'-'h' != '^v'-'^h' */ + if (cap->nchar == Ctrl_H) + cap->cmdchar = Ctrl_V; + else +# endif + cap->cmdchar = cap->nchar + ('v' - 'h'); + cap->arg = TRUE; + nv_visual(cap); + break; + + /* "gn", "gN" visually select next/previous search match + * "gn" selects next match + * "gN" selects previous match + */ + case 'N': + case 'n': + if (!current_search(cap->count1, cap->nchar == 'n')) + clearopbeep(oap); + break; + + /* + * "gj" and "gk" two new funny movement keys -- up and down + * movement based on *screen* line rather than *file* line. + */ + case 'j': + case K_DOWN: + /* with 'nowrap' it works just like the normal "j" command; also when + * in a closed fold */ + if (!curwin->w_p_wrap +#ifdef FEAT_FOLDING + || hasFolding(curwin->w_cursor.lnum, NULL, NULL) +#endif + ) + { + oap->motion_type = MLINE; + i = cursor_down(cap->count1, oap->op_type == OP_NOP); + } + else + i = nv_screengo(oap, FORWARD, cap->count1); + if (i == FAIL) + clearopbeep(oap); + break; + + case 'k': + case K_UP: + /* with 'nowrap' it works just like the normal "k" command; also when + * in a closed fold */ + if (!curwin->w_p_wrap +#ifdef FEAT_FOLDING + || hasFolding(curwin->w_cursor.lnum, NULL, NULL) +#endif + ) + { + oap->motion_type = MLINE; + i = cursor_up(cap->count1, oap->op_type == OP_NOP); + } + else + i = nv_screengo(oap, BACKWARD, cap->count1); + if (i == FAIL) + clearopbeep(oap); + break; + + /* + * "gJ": join two lines without inserting a space. + */ + case 'J': + nv_join(cap); + break; + + /* + * "g0", "g^" and "g$": Like "0", "^" and "$" but for screen lines. + * "gm": middle of "g0" and "g$". + */ + case '^': + flag = TRUE; + /* FALLTHROUGH */ + + case '0': + case 'm': + case K_HOME: + case K_KHOME: + oap->motion_type = MCHAR; + oap->inclusive = FALSE; + if (curwin->w_p_wrap && curwin->w_width != 0) + { + int width1 = curwin->w_width - curwin_col_off(); + int width2 = width1 + curwin_col_off2(); + + validate_virtcol(); + i = 0; + if (curwin->w_virtcol >= (colnr_T)width1 && width2 > 0) + i = (curwin->w_virtcol - width1) / width2 * width2 + width1; + } + else + i = curwin->w_leftcol; + /* Go to the middle of the screen line. When 'number' or + * 'relativenumber' is on and lines are wrapping the middle can be more + * to the left. */ + if (cap->nchar == 'm') + i += (curwin->w_width - curwin_col_off() + + ((curwin->w_p_wrap && i > 0) + ? curwin_col_off2() : 0)) / 2; + coladvance((colnr_T)i); + if (flag) + { + do + i = gchar_cursor(); + while (VIM_ISWHITE(i) && oneright() == OK); + curwin->w_valid &= ~VALID_WCOL; + } + curwin->w_set_curswant = TRUE; + break; + + case '_': + /* "g_": to the last non-blank character in the line or <count> lines + * downward. */ + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = TRUE; + curwin->w_curswant = MAXCOL; + if (cursor_down((long)(cap->count1 - 1), + cap->oap->op_type == OP_NOP) == FAIL) + clearopbeep(cap->oap); + else + { + char_u *ptr = ml_get_curline(); + + /* In Visual mode we may end up after the line. */ + if (curwin->w_cursor.col > 0 && ptr[curwin->w_cursor.col] == NUL) + --curwin->w_cursor.col; + + /* Decrease the cursor column until it's on a non-blank. */ + while (curwin->w_cursor.col > 0 + && VIM_ISWHITE(ptr[curwin->w_cursor.col])) + --curwin->w_cursor.col; + curwin->w_set_curswant = TRUE; + adjust_for_sel(cap); + } + break; + + case '$': + case K_END: + case K_KEND: + { + int col_off = curwin_col_off(); + + oap->motion_type = MCHAR; + oap->inclusive = TRUE; + if (curwin->w_p_wrap && curwin->w_width != 0) + { + curwin->w_curswant = MAXCOL; /* so we stay at the end */ + if (cap->count1 == 1) + { + int width1 = curwin->w_width - col_off; + int width2 = width1 + curwin_col_off2(); + + validate_virtcol(); + i = width1 - 1; + if (curwin->w_virtcol >= (colnr_T)width1) + i += ((curwin->w_virtcol - width1) / width2 + 1) + * width2; + coladvance((colnr_T)i); + + /* Make sure we stick in this column. */ + validate_virtcol(); + curwin->w_curswant = curwin->w_virtcol; + curwin->w_set_curswant = FALSE; + if (curwin->w_cursor.col > 0 && curwin->w_p_wrap) + { + /* + * Check for landing on a character that got split at + * the end of the line. We do not want to advance to + * the next screen line. + */ + if (curwin->w_virtcol > (colnr_T)i) + --curwin->w_cursor.col; + } + } + else if (nv_screengo(oap, FORWARD, cap->count1 - 1) == FAIL) + clearopbeep(oap); + } + else + { + i = curwin->w_leftcol + curwin->w_width - col_off - 1; + coladvance((colnr_T)i); + + /* Make sure we stick in this column. */ + validate_virtcol(); + curwin->w_curswant = curwin->w_virtcol; + curwin->w_set_curswant = FALSE; + } + } + break; + + /* + * "g*" and "g#", like "*" and "#" but without using "\<" and "\>" + */ + case '*': + case '#': +#if POUND != '#' + case POUND: /* pound sign (sometimes equal to '#') */ +#endif + case Ctrl_RSB: /* :tag or :tselect for current identifier */ + case ']': /* :tselect for current identifier */ + nv_ident(cap); + break; + + /* + * ge and gE: go back to end of word + */ + case 'e': + case 'E': + oap->motion_type = MCHAR; + curwin->w_set_curswant = TRUE; + oap->inclusive = TRUE; + if (bckend_word(cap->count1, cap->nchar == 'E', FALSE) == FAIL) + clearopbeep(oap); + break; + + /* + * "g CTRL-G": display info about cursor position + */ + case Ctrl_G: + cursor_pos_info(NULL); + break; + + /* + * "gi": start Insert at the last position. + */ + case 'i': + if (curbuf->b_last_insert.lnum != 0) + { + curwin->w_cursor = curbuf->b_last_insert; + check_cursor_lnum(); + i = (int)STRLEN(ml_get_curline()); + if (curwin->w_cursor.col > (colnr_T)i) + { + if (virtual_active()) + curwin->w_cursor.coladd += curwin->w_cursor.col - i; + curwin->w_cursor.col = i; + } + } + cap->cmdchar = 'i'; + nv_edit(cap); + break; + + /* + * "gI": Start insert in column 1. + */ + case 'I': + beginline(0); + if (!checkclearopq(oap)) + invoke_edit(cap, FALSE, 'g', FALSE); + break; + +#ifdef FEAT_SEARCHPATH + /* + * "gf": goto file, edit file under cursor + * "]f" and "[f": can also be used. + */ + case 'f': + case 'F': + nv_gotofile(cap); + break; +#endif + + /* "g'm" and "g`m": jump to mark without setting pcmark */ + case '\'': + cap->arg = TRUE; + /* FALLTHROUGH */ + case '`': + nv_gomark(cap); + break; + + /* + * "gs": Goto sleep. + */ + case 's': + do_sleep(cap->count1 * 1000L); + break; + + /* + * "ga": Display the ascii value of the character under the + * cursor. It is displayed in decimal, hex, and octal. -- webb + */ + case 'a': + do_ascii(NULL); + break; + + /* + * "g8": Display the bytes used for the UTF-8 character under the + * cursor. It is displayed in hex. + * "8g8" finds illegal byte sequence. + */ + case '8': + if (cap->count0 == 8) + utf_find_illegal(); + else + show_utf8(); + break; + + /* "g<": show scrollback text */ + case '<': + show_sb_text(); + break; + + /* + * "gg": Goto the first line in file. With a count it goes to + * that line number like for "G". -- webb + */ + case 'g': + cap->arg = FALSE; + nv_goto(cap); + break; + + /* + * Two-character operators: + * "gq" Format text + * "gw" Format text and keep cursor position + * "g~" Toggle the case of the text. + * "gu" Change text to lower case. + * "gU" Change text to upper case. + * "g?" rot13 encoding + * "g@" call 'operatorfunc' + */ + case 'q': + case 'w': + oap->cursor_start = curwin->w_cursor; + /* FALLTHROUGH */ + case '~': + case 'u': + case 'U': + case '?': + case '@': + nv_operator(cap); + break; + + /* + * "gd": Find first occurrence of pattern under the cursor in the + * current function + * "gD": idem, but in the current file. + */ + case 'd': + case 'D': + nv_gd(oap, cap->nchar, (int)cap->count0); + break; + +#ifdef FEAT_MOUSE + /* + * g<*Mouse> : <C-*mouse> + */ + case K_MIDDLEMOUSE: + case K_MIDDLEDRAG: + case K_MIDDLERELEASE: + case K_LEFTMOUSE: + case K_LEFTDRAG: + case K_LEFTRELEASE: + case K_MOUSEMOVE: + case K_RIGHTMOUSE: + case K_RIGHTDRAG: + case K_RIGHTRELEASE: + case K_X1MOUSE: + case K_X1DRAG: + case K_X1RELEASE: + case K_X2MOUSE: + case K_X2DRAG: + case K_X2RELEASE: + mod_mask = MOD_MASK_CTRL; + (void)do_mouse(oap, cap->nchar, BACKWARD, cap->count1, 0); + break; +#endif + + case K_IGNORE: + break; + + /* + * "gP" and "gp": same as "P" and "p" but leave cursor just after new text + */ + case 'p': + case 'P': + nv_put(cap); + break; + +#ifdef FEAT_BYTEOFF + /* "go": goto byte count from start of buffer */ + case 'o': + goto_byte(cap->count0); + break; +#endif + + /* "gQ": improved Ex mode */ + case 'Q': + if (text_locked()) + { + clearopbeep(cap->oap); + text_locked_msg(); + break; + } + + if (!checkclearopq(oap)) + do_exmode(TRUE); + break; + +#ifdef FEAT_JUMPLIST + case ',': + nv_pcmark(cap); + break; + + case ';': + cap->count1 = -cap->count1; + nv_pcmark(cap); + break; +#endif + + case 't': + if (!checkclearop(oap)) + goto_tabpage((int)cap->count0); + break; + case 'T': + if (!checkclearop(oap)) + goto_tabpage(-(int)cap->count1); + break; + + case '+': + case '-': /* "g+" and "g-": undo or redo along the timeline */ + if (!checkclearopq(oap)) + undo_time(cap->nchar == '-' ? -cap->count1 : cap->count1, + FALSE, FALSE, FALSE); + break; + + default: + clearopbeep(oap); + break; + } +} + +/* + * Handle "o" and "O" commands. + */ + static void +n_opencmd(cmdarg_T *cap) +{ +#ifdef FEAT_CONCEAL + linenr_T oldline = curwin->w_cursor.lnum; +#endif + + if (!checkclearopq(cap->oap)) + { +#ifdef FEAT_FOLDING + if (cap->cmdchar == 'O') + /* Open above the first line of a folded sequence of lines */ + (void)hasFolding(curwin->w_cursor.lnum, + &curwin->w_cursor.lnum, NULL); + else + /* Open below the last line of a folded sequence of lines */ + (void)hasFolding(curwin->w_cursor.lnum, + NULL, &curwin->w_cursor.lnum); +#endif + if (u_save((linenr_T)(curwin->w_cursor.lnum - + (cap->cmdchar == 'O' ? 1 : 0)), + (linenr_T)(curwin->w_cursor.lnum + + (cap->cmdchar == 'o' ? 1 : 0)) + ) == OK + && open_line(cap->cmdchar == 'O' ? BACKWARD : FORWARD, +#ifdef FEAT_COMMENTS + has_format_option(FO_OPEN_COMS) ? OPENLINE_DO_COM : +#endif + 0, 0) == OK) + { +#ifdef FEAT_CONCEAL + if (curwin->w_p_cole > 0 && oldline != curwin->w_cursor.lnum) + redrawWinline(curwin, oldline); +#endif +#ifdef FEAT_SYN_HL + if (curwin->w_p_cul) + /* force redraw of cursorline */ + curwin->w_valid &= ~VALID_CROW; +#endif + /* When '#' is in 'cpoptions' ignore the count. */ + if (vim_strchr(p_cpo, CPO_HASH) != NULL) + cap->count1 = 1; + invoke_edit(cap, FALSE, cap->cmdchar, TRUE); + } + } +} + +/* + * "." command: redo last change. + */ + static void +nv_dot(cmdarg_T *cap) +{ + if (!checkclearopq(cap->oap)) + { + /* + * If "restart_edit" is TRUE, the last but one command is repeated + * instead of the last command (inserting text). This is used for + * CTRL-O <.> in insert mode. + */ + if (start_redo(cap->count0, restart_edit != 0 && !arrow_used) == FAIL) + clearopbeep(cap->oap); + } +} + +/* + * CTRL-R: undo undo + */ + static void +nv_redo(cmdarg_T *cap) +{ + if (!checkclearopq(cap->oap)) + { + u_redo((int)cap->count1); + curwin->w_set_curswant = TRUE; + } +} + +/* + * Handle "U" command. + */ + static void +nv_Undo(cmdarg_T *cap) +{ + /* In Visual mode and typing "gUU" triggers an operator */ + if (cap->oap->op_type == OP_UPPER || VIsual_active) + { + /* translate "gUU" to "gUgU" */ + cap->cmdchar = 'g'; + cap->nchar = 'U'; + nv_operator(cap); + } + else if (!checkclearopq(cap->oap)) + { + u_undoline(); + curwin->w_set_curswant = TRUE; + } +} + +/* + * '~' command: If tilde is not an operator and Visual is off: swap case of a + * single character. + */ + static void +nv_tilde(cmdarg_T *cap) +{ + if (!p_to && !VIsual_active && cap->oap->op_type != OP_TILDE) + { +#ifdef FEAT_JOB_CHANNEL + if (bt_prompt(curbuf) && !prompt_curpos_editable()) + { + clearopbeep(cap->oap); + return; + } +#endif + n_swapchar(cap); + } + else + nv_operator(cap); +} + +/* + * Handle an operator command. + * The actual work is done by do_pending_operator(). + */ + static void +nv_operator(cmdarg_T *cap) +{ + int op_type; + + op_type = get_op_type(cap->cmdchar, cap->nchar); +#ifdef FEAT_JOB_CHANNEL + if (bt_prompt(curbuf) && op_is_change(op_type) && !prompt_curpos_editable()) + { + clearopbeep(cap->oap); + return; + } +#endif + + if (op_type == cap->oap->op_type) /* double operator works on lines */ + nv_lineop(cap); + else if (!checkclearop(cap->oap)) + { + cap->oap->start = curwin->w_cursor; + cap->oap->op_type = op_type; +#ifdef FEAT_EVAL + set_op_var(op_type); +#endif + } +} + +#ifdef FEAT_EVAL +/* + * Set v:operator to the characters for "optype". + */ + static void +set_op_var(int optype) +{ + char_u opchars[3]; + + if (optype == OP_NOP) + set_vim_var_string(VV_OP, NULL, 0); + else + { + opchars[0] = get_op_char(optype); + opchars[1] = get_extra_op_char(optype); + opchars[2] = NUL; + set_vim_var_string(VV_OP, opchars, -1); + } +} +#endif + +/* + * Handle linewise operator "dd", "yy", etc. + * + * "_" is is a strange motion command that helps make operators more logical. + * It is actually implemented, but not documented in the real Vi. This motion + * command actually refers to "the current line". Commands like "dd" and "yy" + * are really an alternate form of "d_" and "y_". It does accept a count, so + * "d3_" works to delete 3 lines. + */ + static void +nv_lineop(cmdarg_T *cap) +{ + cap->oap->motion_type = MLINE; + if (cursor_down(cap->count1 - 1L, cap->oap->op_type == OP_NOP) == FAIL) + clearopbeep(cap->oap); + else if ( (cap->oap->op_type == OP_DELETE /* only with linewise motions */ + && cap->oap->motion_force != 'v' + && cap->oap->motion_force != Ctrl_V) + || cap->oap->op_type == OP_LSHIFT + || cap->oap->op_type == OP_RSHIFT) + beginline(BL_SOL | BL_FIX); + else if (cap->oap->op_type != OP_YANK) /* 'Y' does not move cursor */ + beginline(BL_WHITE | BL_FIX); +} + +/* + * <Home> command. + */ + static void +nv_home(cmdarg_T *cap) +{ + /* CTRL-HOME is like "gg" */ + if (mod_mask & MOD_MASK_CTRL) + nv_goto(cap); + else + { + cap->count0 = 1; + nv_pipe(cap); + } + ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a + one-character line). */ +} + +/* + * "|" command. + */ + static void +nv_pipe(cmdarg_T *cap) +{ + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + beginline(0); + if (cap->count0 > 0) + { + coladvance((colnr_T)(cap->count0 - 1)); + curwin->w_curswant = (colnr_T)(cap->count0 - 1); + } + else + curwin->w_curswant = 0; + /* keep curswant at the column where we wanted to go, not where + * we ended; differs if line is too short */ + curwin->w_set_curswant = FALSE; +} + +/* + * Handle back-word command "b" and "B". + * cap->arg is 1 for "B" + */ + static void +nv_bck_word(cmdarg_T *cap) +{ + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + curwin->w_set_curswant = TRUE; + if (bck_word(cap->count1, cap->arg, FALSE) == FAIL) + clearopbeep(cap->oap); +#ifdef FEAT_FOLDING + else if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif +} + +/* + * Handle word motion commands "e", "E", "w" and "W". + * cap->arg is TRUE for "E" and "W". + */ + static void +nv_wordcmd(cmdarg_T *cap) +{ + int n; + int word_end; + int flag = FALSE; + pos_T startpos = curwin->w_cursor; + + /* + * Set inclusive for the "E" and "e" command. + */ + if (cap->cmdchar == 'e' || cap->cmdchar == 'E') + word_end = TRUE; + else + word_end = FALSE; + cap->oap->inclusive = word_end; + + /* + * "cw" and "cW" are a special case. + */ + if (!word_end && cap->oap->op_type == OP_CHANGE) + { + n = gchar_cursor(); + if (n != NUL) /* not an empty line */ + { + if (VIM_ISWHITE(n)) + { + /* + * Reproduce a funny Vi behaviour: "cw" on a blank only + * changes one character, not all blanks until the start of + * the next word. Only do this when the 'w' flag is included + * in 'cpoptions'. + */ + if (cap->count1 == 1 && vim_strchr(p_cpo, CPO_CW) != NULL) + { + cap->oap->inclusive = TRUE; + cap->oap->motion_type = MCHAR; + return; + } + } + else + { + /* + * This is a little strange. To match what the real Vi does, + * we effectively map 'cw' to 'ce', and 'cW' to 'cE', provided + * that we are not on a space or a TAB. This seems impolite + * at first, but it's really more what we mean when we say + * 'cw'. + * Another strangeness: When standing on the end of a word + * "ce" will change until the end of the next word, but "cw" + * will change only one character! This is done by setting + * flag. + */ + cap->oap->inclusive = TRUE; + word_end = TRUE; + flag = TRUE; + } + } + } + + cap->oap->motion_type = MCHAR; + curwin->w_set_curswant = TRUE; + if (word_end) + n = end_word(cap->count1, cap->arg, flag, FALSE); + else + n = fwd_word(cap->count1, cap->arg, cap->oap->op_type != OP_NOP); + + /* Don't leave the cursor on the NUL past the end of line. Unless we + * didn't move it forward. */ + if (LT_POS(startpos, curwin->w_cursor)) + adjust_cursor(cap->oap); + + if (n == FAIL && cap->oap->op_type == OP_NOP) + clearopbeep(cap->oap); + else + { + adjust_for_sel(cap); +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif + } +} + +/* + * Used after a movement command: If the cursor ends up on the NUL after the + * end of the line, may move it back to the last character and make the motion + * inclusive. + */ + static void +adjust_cursor(oparg_T *oap) +{ + /* The cursor cannot remain on the NUL when: + * - the column is > 0 + * - not in Visual mode or 'selection' is "o" + * - 'virtualedit' is not "all" and not "onemore". + */ + if (curwin->w_cursor.col > 0 && gchar_cursor() == NUL + && (!VIsual_active || *p_sel == 'o') + && !virtual_active() && (ve_flags & VE_ONEMORE) == 0) + { + --curwin->w_cursor.col; + /* prevent cursor from moving on the trail byte */ + if (has_mbyte) + mb_adjust_cursor(); + oap->inclusive = TRUE; + } +} + +/* + * "0" and "^" commands. + * cap->arg is the argument for beginline(). + */ + static void +nv_beginline(cmdarg_T *cap) +{ + cap->oap->motion_type = MCHAR; + cap->oap->inclusive = FALSE; + beginline(cap->arg); +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_HOR) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif + ins_at_eol = FALSE; /* Don't move cursor past eol (only necessary in a + one-character line). */ +} + +/* + * In exclusive Visual mode, may include the last character. + */ + static void +adjust_for_sel(cmdarg_T *cap) +{ + if (VIsual_active && cap->oap->inclusive && *p_sel == 'e' + && gchar_cursor() != NUL && LT_POS(VIsual, curwin->w_cursor)) + { + if (has_mbyte) + inc_cursor(); + else + ++curwin->w_cursor.col; + cap->oap->inclusive = FALSE; + } +} + +/* + * Exclude last character at end of Visual area for 'selection' == "exclusive". + * Should check VIsual_mode before calling this. + * Returns TRUE when backed up to the previous line. + */ + static int +unadjust_for_sel(void) +{ + pos_T *pp; + + if (*p_sel == 'e' && !EQUAL_POS(VIsual, curwin->w_cursor)) + { + if (LT_POS(VIsual, curwin->w_cursor)) + pp = &curwin->w_cursor; + else + pp = &VIsual; + if (pp->coladd > 0) + --pp->coladd; + else + if (pp->col > 0) + { + --pp->col; + mb_adjustpos(curbuf, pp); + } + else if (pp->lnum > 1) + { + --pp->lnum; + pp->col = (colnr_T)STRLEN(ml_get(pp->lnum)); + return TRUE; + } + } + return FALSE; +} + +/* + * SELECT key in Normal or Visual mode: end of Select mode mapping. + */ + static void +nv_select(cmdarg_T *cap) +{ + if (VIsual_active) + VIsual_select = TRUE; + else if (VIsual_reselect) + { + cap->nchar = 'v'; /* fake "gv" command */ + cap->arg = TRUE; + nv_g_cmd(cap); + } +} + + +/* + * "G", "gg", CTRL-END, CTRL-HOME. + * cap->arg is TRUE for "G". + */ + static void +nv_goto(cmdarg_T *cap) +{ + linenr_T lnum; + + if (cap->arg) + lnum = curbuf->b_ml.ml_line_count; + else + lnum = 1L; + cap->oap->motion_type = MLINE; + setpcmark(); + + /* When a count is given, use it instead of the default lnum */ + if (cap->count0 != 0) + lnum = cap->count0; + if (lnum < 1L) + lnum = 1L; + else if (lnum > curbuf->b_ml.ml_line_count) + lnum = curbuf->b_ml.ml_line_count; + curwin->w_cursor.lnum = lnum; + beginline(BL_SOL | BL_FIX); +#ifdef FEAT_FOLDING + if ((fdo_flags & FDO_JUMP) && KeyTyped && cap->oap->op_type == OP_NOP) + foldOpenCursor(); +#endif +} + +/* + * CTRL-\ in Normal mode. + */ + static void +nv_normal(cmdarg_T *cap) +{ + if (cap->nchar == Ctrl_N || cap->nchar == Ctrl_G) + { + clearop(cap->oap); + if (restart_edit != 0 && mode_displayed) + clear_cmdline = TRUE; /* unshow mode later */ + restart_edit = 0; +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + cmdwin_result = Ctrl_C; +#endif + if (VIsual_active) + { + end_visual_mode(); /* stop Visual */ + redraw_curbuf_later(INVERTED); + } + /* CTRL-\ CTRL-G restarts Insert mode when 'insertmode' is set. */ + if (cap->nchar == Ctrl_G && p_im) + restart_edit = 'a'; + } + else + clearopbeep(cap->oap); +} + +/* + * ESC in Normal mode: beep, but don't flush buffers. + * Don't even beep if we are canceling a command. + */ + static void +nv_esc(cmdarg_T *cap) +{ + int no_reason; + + no_reason = (cap->oap->op_type == OP_NOP + && cap->opcount == 0 + && cap->count0 == 0 + && cap->oap->regname == 0 + && !p_im); + + if (cap->arg) /* TRUE for CTRL-C */ + { + if (restart_edit == 0 +#ifdef FEAT_CMDWIN + && cmdwin_type == 0 +#endif + && !VIsual_active + && no_reason) + msg(_("Type :qa! and press <Enter> to abandon all changes and exit Vim")); + + /* Don't reset "restart_edit" when 'insertmode' is set, it won't be + * set again below when halfway a mapping. */ + if (!p_im) + restart_edit = 0; +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0) + { + cmdwin_result = K_IGNORE; + got_int = FALSE; /* don't stop executing autocommands et al. */ + return; + } +#endif + } + + if (VIsual_active) + { + end_visual_mode(); /* stop Visual */ + check_cursor_col(); /* make sure cursor is not beyond EOL */ + curwin->w_set_curswant = TRUE; + redraw_curbuf_later(INVERTED); + } + else if (no_reason) + vim_beep(BO_ESC); + clearop(cap->oap); + + /* A CTRL-C is often used at the start of a menu. When 'insertmode' is + * set return to Insert mode afterwards. */ + if (restart_edit == 0 && goto_im() && ex_normal_busy == 0) + restart_edit = 'a'; +} + +/* + * Handle "A", "a", "I", "i" and <Insert> commands. + * Also handle K_PS, start bracketed paste. + */ + static void +nv_edit(cmdarg_T *cap) +{ + /* <Insert> is equal to "i" */ + if (cap->cmdchar == K_INS || cap->cmdchar == K_KINS) + cap->cmdchar = 'i'; + + /* in Visual mode "A" and "I" are an operator */ + if (VIsual_active && (cap->cmdchar == 'A' || cap->cmdchar == 'I')) + { +#ifdef FEAT_TERMINAL + if (term_in_normal_mode()) + { + end_visual_mode(); + clearop(cap->oap); + term_enter_job_mode(); + return; + } +#endif + v_visop(cap); + } + + /* in Visual mode and after an operator "a" and "i" are for text objects */ + else if ((cap->cmdchar == 'a' || cap->cmdchar == 'i') + && (cap->oap->op_type != OP_NOP || VIsual_active)) + { +#ifdef FEAT_TEXTOBJ + nv_object(cap); +#else + clearopbeep(cap->oap); +#endif + } +#ifdef FEAT_TERMINAL + else if (term_in_normal_mode()) + { + clearop(cap->oap); + term_enter_job_mode(); + return; + } +#endif + else if (!curbuf->b_p_ma && !p_im) + { + /* Only give this error when 'insertmode' is off. */ + emsg(_(e_modifiable)); + clearop(cap->oap); + if (cap->cmdchar == K_PS) + /* drop the pasted text */ + bracketed_paste(PASTE_INSERT, TRUE, NULL); + } + else if (cap->cmdchar == K_PS && VIsual_active) + { + pos_T old_pos = curwin->w_cursor; + pos_T old_visual = VIsual; + + /* In Visual mode the selected text is deleted. */ + if (VIsual_mode == 'V' || curwin->w_cursor.lnum != VIsual.lnum) + { + shift_delete_registers(); + cap->oap->regname = '1'; + } + else + cap->oap->regname = '-'; + cap->cmdchar = 'd'; + cap->nchar = NUL; + nv_operator(cap); + do_pending_operator(cap, 0, FALSE); + cap->cmdchar = K_PS; + + /* When the last char in the line was deleted then append. Detect this + * by checking if the cursor moved to before the Visual area. */ + if (*ml_get_cursor() != NUL && LT_POS(curwin->w_cursor, old_pos) + && LT_POS(curwin->w_cursor, old_visual)) + inc_cursor(); + + /* Insert to replace the deleted text with the pasted text. */ + invoke_edit(cap, FALSE, cap->cmdchar, FALSE); + } + else if (!checkclearopq(cap->oap)) + { + switch (cap->cmdchar) + { + case 'A': /* "A"ppend after the line */ + curwin->w_set_curswant = TRUE; + if (ve_flags == VE_ALL) + { + int save_State = State; + + /* Pretend Insert mode here to allow the cursor on the + * character past the end of the line */ + State = INSERT; + coladvance((colnr_T)MAXCOL); + State = save_State; + } + else + curwin->w_cursor.col += (colnr_T)STRLEN(ml_get_cursor()); + break; + + case 'I': /* "I"nsert before the first non-blank */ + if (vim_strchr(p_cpo, CPO_INSEND) == NULL) + beginline(BL_WHITE); + else + beginline(BL_WHITE|BL_FIX); + break; + + case K_PS: + /* Bracketed paste works like "a"ppend, unless the cursor is in + * the first column, then it inserts. */ + if (curwin->w_cursor.col == 0) + break; + /* FALLTHROUGH */ + + case 'a': /* "a"ppend is like "i"nsert on the next character. */ + /* increment coladd when in virtual space, increment the + * column otherwise, also to append after an unprintable char */ + if (virtual_active() + && (curwin->w_cursor.coladd > 0 + || *ml_get_cursor() == NUL + || *ml_get_cursor() == TAB)) + curwin->w_cursor.coladd++; + else if (*ml_get_cursor() != NUL) + inc_cursor(); + break; + } + + if (curwin->w_cursor.coladd && cap->cmdchar != 'A') + { + int save_State = State; + + /* Pretend Insert mode here to allow the cursor on the + * character past the end of the line */ + State = INSERT; + coladvance(getviscol()); + State = save_State; + } + + invoke_edit(cap, FALSE, cap->cmdchar, FALSE); + } + else if (cap->cmdchar == K_PS) + /* drop the pasted text */ + bracketed_paste(PASTE_INSERT, TRUE, NULL); +} + +/* + * Invoke edit() and take care of "restart_edit" and the return value. + */ + static void +invoke_edit( + cmdarg_T *cap, + int repl, /* "r" or "gr" command */ + int cmd, + int startln) +{ + int restart_edit_save = 0; + + /* Complicated: When the user types "a<C-O>a" we don't want to do Insert + * mode recursively. But when doing "a<C-O>." or "a<C-O>rx" we do allow + * it. */ + if (repl || !stuff_empty()) + restart_edit_save = restart_edit; + else + restart_edit_save = 0; + + /* Always reset "restart_edit", this is not a restarted edit. */ + restart_edit = 0; + + if (edit(cmd, startln, cap->count1)) + cap->retval |= CA_COMMAND_BUSY; + + if (restart_edit == 0) + restart_edit = restart_edit_save; +} + +#ifdef FEAT_TEXTOBJ +/* + * "a" or "i" while an operator is pending or in Visual mode: object motion. + */ + static void +nv_object( + cmdarg_T *cap) +{ + int flag; + int include; + char_u *mps_save; + + if (cap->cmdchar == 'i') + include = FALSE; /* "ix" = inner object: exclude white space */ + else + include = TRUE; /* "ax" = an object: include white space */ + + /* Make sure (), [], {} and <> are in 'matchpairs' */ + mps_save = curbuf->b_p_mps; + curbuf->b_p_mps = (char_u *)"(:),{:},[:],<:>"; + + switch (cap->nchar) + { + case 'w': /* "aw" = a word */ + flag = current_word(cap->oap, cap->count1, include, FALSE); + break; + case 'W': /* "aW" = a WORD */ + flag = current_word(cap->oap, cap->count1, include, TRUE); + break; + case 'b': /* "ab" = a braces block */ + case '(': + case ')': + flag = current_block(cap->oap, cap->count1, include, '(', ')'); + break; + case 'B': /* "aB" = a Brackets block */ + case '{': + case '}': + flag = current_block(cap->oap, cap->count1, include, '{', '}'); + break; + case '[': /* "a[" = a [] block */ + case ']': + flag = current_block(cap->oap, cap->count1, include, '[', ']'); + break; + case '<': /* "a<" = a <> block */ + case '>': + flag = current_block(cap->oap, cap->count1, include, '<', '>'); + break; + case 't': /* "at" = a tag block (xml and html) */ + /* Do not adjust oap->end in do_pending_operator() + * otherwise there are different results for 'dit' + * (note leading whitespace in last line): + * 1) <b> 2) <b> + * foobar foobar + * </b> </b> + */ + cap->retval |= CA_NO_ADJ_OP_END; + flag = current_tagblock(cap->oap, cap->count1, include); + break; + case 'p': /* "ap" = a paragraph */ + flag = current_par(cap->oap, cap->count1, include, 'p'); + break; + case 's': /* "as" = a sentence */ + flag = current_sent(cap->oap, cap->count1, include); + break; + case '"': /* "a"" = a double quoted string */ + case '\'': /* "a'" = a single quoted string */ + case '`': /* "a`" = a backtick quoted string */ + flag = current_quote(cap->oap, cap->count1, include, + cap->nchar); + break; +#if 0 /* TODO */ + case 'S': /* "aS" = a section */ + case 'f': /* "af" = a filename */ + case 'u': /* "au" = a URL */ +#endif + default: + flag = FAIL; + break; + } + + curbuf->b_p_mps = mps_save; + if (flag == FAIL) + clearopbeep(cap->oap); + adjust_cursor_col(); + curwin->w_set_curswant = TRUE; +} +#endif + +/* + * "q" command: Start/stop recording. + * "q:", "q/", "q?": edit command-line in command-line window. + */ + static void +nv_record(cmdarg_T *cap) +{ + if (cap->oap->op_type == OP_FORMAT) + { + /* "gqq" is the same as "gqgq": format line */ + cap->cmdchar = 'g'; + cap->nchar = 'q'; + nv_operator(cap); + } + else if (!checkclearop(cap->oap)) + { +#ifdef FEAT_CMDWIN + if (cap->nchar == ':' || cap->nchar == '/' || cap->nchar == '?') + { + stuffcharReadbuff(cap->nchar); + stuffcharReadbuff(K_CMDWIN); + } + else +#endif + /* (stop) recording into a named register, unless executing a + * register */ + if (reg_executing == 0 && do_record(cap->nchar) == FAIL) + clearopbeep(cap->oap); + } +} + +/* + * Handle the "@r" command. + */ + static void +nv_at(cmdarg_T *cap) +{ + if (checkclearop(cap->oap)) + return; +#ifdef FEAT_EVAL + if (cap->nchar == '=') + { + if (get_expr_register() == NUL) + return; + } +#endif + while (cap->count1-- && !got_int) + { + if (do_execreg(cap->nchar, FALSE, FALSE, FALSE) == FAIL) + { + clearopbeep(cap->oap); + break; + } + line_breakcheck(); + } +} + +/* + * Handle the CTRL-U and CTRL-D commands. + */ + static void +nv_halfpage(cmdarg_T *cap) +{ + if ((cap->cmdchar == Ctrl_U && curwin->w_cursor.lnum == 1) + || (cap->cmdchar == Ctrl_D + && curwin->w_cursor.lnum == curbuf->b_ml.ml_line_count)) + clearopbeep(cap->oap); + else if (!checkclearop(cap->oap)) + halfpage(cap->cmdchar == Ctrl_D, cap->count0); +} + +/* + * Handle "J" or "gJ" command. + */ + static void +nv_join(cmdarg_T *cap) +{ + if (VIsual_active) /* join the visual lines */ + nv_operator(cap); + else if (!checkclearop(cap->oap)) + { + if (cap->count0 <= 1) + cap->count0 = 2; /* default for join is two lines! */ + if (curwin->w_cursor.lnum + cap->count0 - 1 > + curbuf->b_ml.ml_line_count) + { + /* can't join when on the last line */ + if (cap->count0 <= 2) + { + clearopbeep(cap->oap); + return; + } + cap->count0 = curbuf->b_ml.ml_line_count + - curwin->w_cursor.lnum + 1; + } + + prep_redo(cap->oap->regname, cap->count0, + NUL, cap->cmdchar, NUL, NUL, cap->nchar); + (void)do_join(cap->count0, cap->nchar == NUL, TRUE, TRUE, TRUE); + } +} + +/* + * "P", "gP", "p" and "gp" commands. + */ + static void +nv_put(cmdarg_T *cap) +{ + int regname = 0; + void *reg1 = NULL, *reg2 = NULL; + int empty = FALSE; + int was_visual = FALSE; + int dir; + int flags = 0; + + if (cap->oap->op_type != OP_NOP) + { +#ifdef FEAT_DIFF + /* "dp" is ":diffput" */ + if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'p') + { + clearop(cap->oap); + nv_diffgetput(TRUE, cap->opcount); + } + else +#endif + clearopbeep(cap->oap); + } +#ifdef FEAT_JOB_CHANNEL + else if (bt_prompt(curbuf) && !prompt_curpos_editable()) + { + clearopbeep(cap->oap); + } +#endif + else + { + dir = (cap->cmdchar == 'P' + || (cap->cmdchar == 'g' && cap->nchar == 'P')) + ? BACKWARD : FORWARD; + prep_redo_cmd(cap); + if (cap->cmdchar == 'g') + flags |= PUT_CURSEND; + + if (VIsual_active) + { + /* Putting in Visual mode: The put text replaces the selected + * text. First delete the selected text, then put the new text. + * Need to save and restore the registers that the delete + * overwrites if the old contents is being put. + */ + was_visual = TRUE; + regname = cap->oap->regname; +#ifdef FEAT_CLIPBOARD + adjust_clip_reg(®name); +#endif + if (regname == 0 || regname == '"' + || VIM_ISDIGIT(regname) || regname == '-' +#ifdef FEAT_CLIPBOARD + || (clip_unnamed && (regname == '*' || regname == '+')) +#endif + + ) + { + /* The delete is going to overwrite the register we want to + * put, save it first. */ + reg1 = get_register(regname, TRUE); + } + + /* Now delete the selected text. */ + cap->cmdchar = 'd'; + cap->nchar = NUL; + cap->oap->regname = NUL; + nv_operator(cap); + do_pending_operator(cap, 0, FALSE); + empty = (curbuf->b_ml.ml_flags & ML_EMPTY); + + /* delete PUT_LINE_BACKWARD; */ + cap->oap->regname = regname; + + if (reg1 != NULL) + { + /* Delete probably changed the register we want to put, save + * it first. Then put back what was there before the delete. */ + reg2 = get_register(regname, FALSE); + put_register(regname, reg1); + } + + /* When deleted a linewise Visual area, put the register as + * lines to avoid it joined with the next line. When deletion was + * characterwise, split a line when putting lines. */ + if (VIsual_mode == 'V') + flags |= PUT_LINE; + else if (VIsual_mode == 'v') + flags |= PUT_LINE_SPLIT; + if (VIsual_mode == Ctrl_V && dir == FORWARD) + flags |= PUT_LINE_FORWARD; + dir = BACKWARD; + if ((VIsual_mode != 'V' + && curwin->w_cursor.col < curbuf->b_op_start.col) + || (VIsual_mode == 'V' + && curwin->w_cursor.lnum < curbuf->b_op_start.lnum)) + /* cursor is at the end of the line or end of file, put + * forward. */ + dir = FORWARD; + /* May have been reset in do_put(). */ + VIsual_active = TRUE; + } + do_put(cap->oap->regname, dir, cap->count1, flags); + + /* If a register was saved, put it back now. */ + if (reg2 != NULL) + put_register(regname, reg2); + + /* What to reselect with "gv"? Selecting the just put text seems to + * be the most useful, since the original text was removed. */ + if (was_visual) + { + curbuf->b_visual.vi_start = curbuf->b_op_start; + curbuf->b_visual.vi_end = curbuf->b_op_end; + /* need to adjust cursor position */ + if (*p_sel == 'e') + inc(&curbuf->b_visual.vi_end); + } + + /* When all lines were selected and deleted do_put() leaves an empty + * line that needs to be deleted now. */ + if (empty && *ml_get(curbuf->b_ml.ml_line_count) == NUL) + { + ml_delete(curbuf->b_ml.ml_line_count, TRUE); + + /* If the cursor was in that line, move it to the end of the last + * line. */ + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + { + curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; + coladvance((colnr_T)MAXCOL); + } + } + auto_format(FALSE, TRUE); + } +} + +/* + * "o" and "O" commands. + */ + static void +nv_open(cmdarg_T *cap) +{ +#ifdef FEAT_DIFF + /* "do" is ":diffget" */ + if (cap->oap->op_type == OP_DELETE && cap->cmdchar == 'o') + { + clearop(cap->oap); + nv_diffgetput(FALSE, cap->opcount); + } + else +#endif + if (VIsual_active) /* switch start and end of visual */ + v_swap_corners(cap->cmdchar); +#ifdef FEAT_JOB_CHANNEL + else if (bt_prompt(curbuf)) + { + clearopbeep(cap->oap); + } +#endif + else + n_opencmd(cap); +} + +#ifdef FEAT_NETBEANS_INTG + static void +nv_nbcmd(cmdarg_T *cap) +{ + netbeans_keycommand(cap->nchar); +} +#endif + +#ifdef FEAT_DND + static void +nv_drop(cmdarg_T *cap UNUSED) +{ + do_put('~', BACKWARD, 1L, PUT_CURSEND); +} +#endif + +/* + * Trigger CursorHold event. + * When waiting for a character for 'updatetime' K_CURSORHOLD is put in the + * input buffer. "did_cursorhold" is set to avoid retriggering. + */ + static void +nv_cursorhold(cmdarg_T *cap) +{ + apply_autocmds(EVENT_CURSORHOLD, NULL, NULL, FALSE, curbuf); + did_cursorhold = TRUE; + cap->retval |= CA_COMMAND_BUSY; /* don't call edit() now */ +} + +/* + * Calculate start/end virtual columns for operating in block mode. + */ + static void +get_op_vcol( + oparg_T *oap, + colnr_T redo_VIsual_vcol, + int initial) /* when TRUE adjust position for 'selectmode' */ +{ + colnr_T start, end; + + if (VIsual_mode != Ctrl_V + || (!initial && oap->end.col < curwin->w_width)) + return; + + oap->block_mode = TRUE; + + /* prevent from moving onto a trail byte */ + if (has_mbyte) + mb_adjustpos(curwin->w_buffer, &oap->end); + + getvvcol(curwin, &(oap->start), &oap->start_vcol, NULL, &oap->end_vcol); + + if (!redo_VIsual_busy) + { + getvvcol(curwin, &(oap->end), &start, NULL, &end); + + if (start < oap->start_vcol) + oap->start_vcol = start; + if (end > oap->end_vcol) + { + if (initial && *p_sel == 'e' && start >= 1 + && start - 1 >= oap->end_vcol) + oap->end_vcol = start - 1; + else + oap->end_vcol = end; + } + } + + /* if '$' was used, get oap->end_vcol from longest line */ + if (curwin->w_curswant == MAXCOL) + { + curwin->w_cursor.col = MAXCOL; + oap->end_vcol = 0; + for (curwin->w_cursor.lnum = oap->start.lnum; + curwin->w_cursor.lnum <= oap->end.lnum; + ++curwin->w_cursor.lnum) + { + getvvcol(curwin, &curwin->w_cursor, NULL, NULL, &end); + if (end > oap->end_vcol) + oap->end_vcol = end; + } + } + else if (redo_VIsual_busy) + oap->end_vcol = oap->start_vcol + redo_VIsual_vcol - 1; + /* + * Correct oap->end.col and oap->start.col to be the + * upper-left and lower-right corner of the block area. + * + * (Actually, this does convert column positions into character + * positions) + */ + curwin->w_cursor.lnum = oap->end.lnum; + coladvance(oap->end_vcol); + oap->end = curwin->w_cursor; + + curwin->w_cursor = oap->start; + coladvance(oap->start_vcol); + oap->start = curwin->w_cursor; +} |