diff options
Diffstat (limited to 'src/gui.c')
| -rw-r--r-- | src/gui.c | 5460 |
1 files changed, 5460 insertions, 0 deletions
diff --git a/src/gui.c b/src/gui.c new file mode 100644 index 0000000..d993bc6 --- /dev/null +++ b/src/gui.c @@ -0,0 +1,5460 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * GUI/Motif support by Robert Webb + * + * 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. + */ + +#include "vim.h" + +/* Structure containing all the GUI information */ +gui_T gui; + +#if !defined(FEAT_GUI_GTK) +static void set_guifontwide(char_u *font_name); +#endif +static void gui_check_pos(void); +static void gui_outstr(char_u *, int); +static int gui_screenchar(int off, int flags, guicolor_T fg, guicolor_T bg, int back); +static void gui_delete_lines(int row, int count); +static void gui_insert_lines(int row, int count); +#if defined(FEAT_GUI_TABLINE) || defined(PROTO) +static int gui_has_tabline(void); +#endif +static void gui_do_scrollbar(win_T *wp, int which, int enable); +static void gui_update_horiz_scrollbar(int); +static void gui_set_fg_color(char_u *name); +static void gui_set_bg_color(char_u *name); +static win_T *xy2win(int x, int y); + +#ifdef GUI_MAY_FORK +static void gui_do_fork(void); + +static int gui_read_child_pipe(int fd); + +/* Return values for gui_read_child_pipe */ +enum { + GUI_CHILD_IO_ERROR, + GUI_CHILD_OK, + GUI_CHILD_FAILED +}; +#endif + +static void gui_attempt_start(void); + +static int can_update_cursor = TRUE; /* can display the cursor */ +static int disable_flush = 0; /* If > 0, gui_mch_flush() is disabled. */ + +/* + * The Athena scrollbars can move the thumb to after the end of the scrollbar, + * this makes the thumb indicate the part of the text that is shown. Motif + * can't do this. + */ +#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_MAC) +# define SCROLL_PAST_END +#endif + +/* + * gui_start -- Called when user wants to start the GUI. + * + * Careful: This function can be called recursively when there is a ":gui" + * command in the .gvimrc file. Only the first call should fork, not the + * recursive call. + */ + void +gui_start(void) +{ + char_u *old_term; + static int recursive = 0; + + old_term = vim_strsave(T_NAME); + + settmode(TMODE_COOK); /* stop RAW mode */ + if (full_screen) + cursor_on(); /* needed for ":gui" in .vimrc */ + full_screen = FALSE; + + ++recursive; + +#ifdef GUI_MAY_FORK + /* + * Quit the current process and continue in the child. + * Makes "gvim file" disconnect from the shell it was started in. + * Don't do this when Vim was started with "-f" or the 'f' flag is present + * in 'guioptions'. + * Don't do this when there is a running job, we can only get the status + * of a child from the parent. + */ + if (gui.dofork && !vim_strchr(p_go, GO_FORG) && recursive <= 1 +# ifdef FEAT_JOB_CHANNEL + && !job_any_running() +# endif + ) + { + gui_do_fork(); + } + else +#endif + { +#ifdef FEAT_GUI_GTK + /* If there is 'f' in 'guioptions' and specify -g argument, + * gui_mch_init_check() was not called yet. */ + if (gui_mch_init_check() != OK) + getout_preserve_modified(1); +#endif + gui_attempt_start(); + } + + if (!gui.in_use) /* failed to start GUI */ + { + /* Back to old term settings + * + * FIXME: If we got here because a child process failed and flagged to + * the parent to resume, and X11 is enabled with FEAT_TITLE, this will + * hit an X11 I/O error and do a longjmp(), leaving recursive + * permanently set to 1. This is probably not as big a problem as it + * sounds, because gui_mch_init() in both gui_x11.c and gui_gtk_x11.c + * return "OK" unconditionally, so it would be very difficult to + * actually hit this case. + */ + termcapinit(old_term); + settmode(TMODE_RAW); /* restart RAW mode */ +#ifdef FEAT_TITLE + set_title_defaults(); /* set 'title' and 'icon' again */ +#endif + } + + vim_free(old_term); + + /* If the GUI started successfully, trigger the GUIEnter event, otherwise + * the GUIFailed event. */ + gui_mch_update(); + apply_autocmds(gui.in_use ? EVENT_GUIENTER : EVENT_GUIFAILED, + NULL, NULL, FALSE, curbuf); + --recursive; +} + +/* + * Set_termname() will call gui_init() to start the GUI. + * Set the "starting" flag, to indicate that the GUI will start. + * + * We don't want to open the GUI shell until after we've read .gvimrc, + * otherwise we don't know what font we will use, and hence we don't know + * what size the shell should be. So if there are errors in the .gvimrc + * file, they will have to go to the terminal: Set full_screen to FALSE. + * full_screen will be set to TRUE again by a successful termcapinit(). + */ + static void +gui_attempt_start(void) +{ + static int recursive = 0; + + ++recursive; + gui.starting = TRUE; + +#ifdef FEAT_GUI_GTK + gui.event_time = GDK_CURRENT_TIME; +#endif + + termcapinit((char_u *)"builtin_gui"); + gui.starting = recursive - 1; + +#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) + if (gui.in_use) + { +# ifdef FEAT_EVAL + Window x11_window; + Display *x11_display; + + if (gui_get_x11_windis(&x11_window, &x11_display) == OK) + set_vim_var_nr(VV_WINDOWID, (long)x11_window); +# endif + + /* Display error messages in a dialog now. */ + display_errors(); + } +#endif + --recursive; +} + +#ifdef GUI_MAY_FORK + +/* for waitpid() */ +# if defined(HAVE_SYS_WAIT_H) || defined(HAVE_UNION_WAIT) +# include <sys/wait.h> +# endif + +/* + * Create a new process, by forking. In the child, start the GUI, and in + * the parent, exit. + * + * If something goes wrong, this will return with gui.in_use still set + * to FALSE, in which case the caller should continue execution without + * the GUI. + * + * If the child fails to start the GUI, then the child will exit and the + * parent will return. If the child succeeds, then the parent will exit + * and the child will return. + */ + static void +gui_do_fork(void) +{ + int pipefd[2]; /* pipe between parent and child */ + int pipe_error; + int status; + int exit_status; + pid_t pid = -1; + + /* Setup a pipe between the child and the parent, so that the parent + * knows when the child has done the setsid() call and is allowed to + * exit. */ + pipe_error = (pipe(pipefd) < 0); + pid = fork(); + if (pid < 0) /* Fork error */ + { + emsg(_("E851: Failed to create a new process for the GUI")); + return; + } + else if (pid > 0) /* Parent */ + { + /* Give the child some time to do the setsid(), otherwise the + * exit() may kill the child too (when starting gvim from inside a + * gvim). */ + if (!pipe_error) + { + /* The read returns when the child closes the pipe (or when + * the child dies for some reason). */ + close(pipefd[1]); + status = gui_read_child_pipe(pipefd[0]); + if (status == GUI_CHILD_FAILED) + { + /* The child failed to start the GUI, so the caller must + * continue. There may be more error information written + * to stderr by the child. */ +# ifdef __NeXT__ + wait4(pid, &exit_status, 0, (struct rusage *)0); +# else + waitpid(pid, &exit_status, 0); +# endif + emsg(_("E852: The child process failed to start the GUI")); + return; + } + else if (status == GUI_CHILD_IO_ERROR) + { + pipe_error = TRUE; + } + /* else GUI_CHILD_OK: parent exit */ + } + + if (pipe_error) + ui_delay(300L, TRUE); + + /* When swapping screens we may need to go to the next line, e.g., + * after a hit-enter prompt and using ":gui". */ + if (newline_on_exit) + mch_errmsg("\r\n"); + + /* + * The parent must skip the normal exit() processing, the child + * will do it. For example, GTK messes up signals when exiting. + */ + _exit(0); + } + /* Child */ + +#ifdef FEAT_GUI_GTK + /* Call gtk_init_check() here after fork(). See gui_init_check(). */ + if (gui_mch_init_check() != OK) + getout_preserve_modified(1); +#endif + +# if defined(HAVE_SETSID) || defined(HAVE_SETPGID) + /* + * Change our process group. On some systems/shells a CTRL-C in the + * shell where Vim was started would otherwise kill gvim! + */ +# if defined(HAVE_SETSID) + (void)setsid(); +# else + (void)setpgid(0, 0); +# endif +# endif + if (!pipe_error) + close(pipefd[0]); + +# if defined(FEAT_GUI_GNOME) && defined(FEAT_SESSION) + /* Tell the session manager our new PID */ + gui_mch_forked(); +# endif + + /* Try to start the GUI */ + gui_attempt_start(); + + /* Notify the parent */ + if (!pipe_error) + { + if (gui.in_use) + write_eintr(pipefd[1], "ok", 3); + else + write_eintr(pipefd[1], "fail", 5); + close(pipefd[1]); + } + + /* If we failed to start the GUI, exit now. */ + if (!gui.in_use) + getout_preserve_modified(1); +} + +/* + * Read from a pipe assumed to be connected to the child process (this + * function is called from the parent). + * Return GUI_CHILD_OK if the child successfully started the GUI, + * GUY_CHILD_FAILED if the child failed, or GUI_CHILD_IO_ERROR if there was + * some other error. + * + * The file descriptor will be closed before the function returns. + */ + static int +gui_read_child_pipe(int fd) +{ + long bytes_read; +#define READ_BUFFER_SIZE 10 + char buffer[READ_BUFFER_SIZE]; + + bytes_read = read_eintr(fd, buffer, READ_BUFFER_SIZE - 1); +#undef READ_BUFFER_SIZE + close(fd); + if (bytes_read < 0) + return GUI_CHILD_IO_ERROR; + buffer[bytes_read] = NUL; + if (strcmp(buffer, "ok") == 0) + return GUI_CHILD_OK; + return GUI_CHILD_FAILED; +} + +#endif /* GUI_MAY_FORK */ + +/* + * Call this when vim starts up, whether or not the GUI is started + */ + void +gui_prepare(int *argc, char **argv) +{ + gui.in_use = FALSE; /* No GUI yet (maybe later) */ + gui.starting = FALSE; /* No GUI yet (maybe later) */ + gui_mch_prepare(argc, argv); +} + +/* + * Try initializing the GUI and check if it can be started. + * Used from main() to check early if "vim -g" can start the GUI. + * Used from gui_init() to prepare for starting the GUI. + * Returns FAIL or OK. + */ + int +gui_init_check(void) +{ + static int result = MAYBE; + + if (result != MAYBE) + { + if (result == FAIL) + emsg(_("E229: Cannot start the GUI")); + return result; + } + + gui.shell_created = FALSE; + gui.dying = FALSE; + gui.in_focus = TRUE; /* so the guicursor setting works */ + gui.dragged_sb = SBAR_NONE; + gui.dragged_wp = NULL; + gui.pointer_hidden = FALSE; + gui.col = 0; + gui.row = 0; + gui.num_cols = Columns; + gui.num_rows = Rows; + + gui.cursor_is_valid = FALSE; + gui.scroll_region_top = 0; + gui.scroll_region_bot = Rows - 1; + gui.scroll_region_left = 0; + gui.scroll_region_right = Columns - 1; + gui.highlight_mask = HL_NORMAL; + gui.char_width = 1; + gui.char_height = 1; + gui.char_ascent = 0; + gui.border_width = 0; + + gui.norm_font = NOFONT; +#ifndef FEAT_GUI_GTK + gui.bold_font = NOFONT; + gui.ital_font = NOFONT; + gui.boldital_font = NOFONT; +# ifdef FEAT_XFONTSET + gui.fontset = NOFONTSET; +# endif +#endif + gui.wide_font = NOFONT; +#ifndef FEAT_GUI_GTK + gui.wide_bold_font = NOFONT; + gui.wide_ital_font = NOFONT; + gui.wide_boldital_font = NOFONT; +#endif + +#ifdef FEAT_MENU +# ifndef FEAT_GUI_GTK +# ifdef FONTSET_ALWAYS + gui.menu_fontset = NOFONTSET; +# else + gui.menu_font = NOFONT; +# endif +# endif + gui.menu_is_active = TRUE; /* default: include menu */ +# ifndef FEAT_GUI_GTK + gui.menu_height = MENU_DEFAULT_HEIGHT; + gui.menu_width = 0; +# endif +#endif +#if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) + gui.toolbar_height = 0; +#endif +#if defined(FEAT_FOOTER) && defined(FEAT_GUI_MOTIF) + gui.footer_height = 0; +#endif +#ifdef FEAT_BEVAL_TIP + gui.tooltip_fontset = NOFONTSET; +#endif + + gui.scrollbar_width = gui.scrollbar_height = SB_DEFAULT_WIDTH; + gui.prev_wrap = -1; + +#ifdef ALWAYS_USE_GUI + result = OK; +#else +# ifdef FEAT_GUI_GTK + /* + * Note: Don't call gtk_init_check() before fork, it will be called after + * the fork. When calling it before fork, it make vim hang for a while. + * See gui_do_fork(). + * Use a simpler check if the GUI window can probably be opened. + */ + result = gui.dofork ? gui_mch_early_init_check(TRUE) : gui_mch_init_check(); +# else + result = gui_mch_init_check(); +# endif +#endif + return result; +} + +/* + * This is the call which starts the GUI. + */ + void +gui_init(void) +{ + win_T *wp; + static int recursive = 0; + + /* + * It's possible to use ":gui" in a .gvimrc file. The first halve of this + * function will then be executed at the first call, the rest by the + * recursive call. This allow the shell to be opened halfway reading a + * gvimrc file. + */ + if (!recursive) + { + ++recursive; + + clip_init(TRUE); + + /* If can't initialize, don't try doing the rest */ + if (gui_init_check() == FAIL) + { + --recursive; + clip_init(FALSE); + return; + } + + /* + * Reset 'paste'. It's useful in the terminal, but not in the GUI. It + * breaks the Paste toolbar button. + */ + set_option_value((char_u *)"paste", 0L, NULL, 0); + + /* + * Set up system-wide default menus. + */ +#if defined(SYS_MENU_FILE) && defined(FEAT_MENU) + if (vim_strchr(p_go, GO_NOSYSMENU) == NULL) + { + sys_menu = TRUE; + do_source((char_u *)SYS_MENU_FILE, FALSE, DOSO_NONE); + sys_menu = FALSE; + } +#endif + + /* + * Switch on the mouse by default, unless the user changed it already. + * This can then be changed in the .gvimrc. + */ + if (!option_was_set((char_u *)"mouse")) + set_string_option_direct((char_u *)"mouse", -1, + (char_u *)"a", OPT_FREE, SID_NONE); + + /* + * If -U option given, use only the initializations from that file and + * nothing else. Skip all initializations for "-U NONE" or "-u NORC". + */ + if (use_gvimrc != NULL) + { + if (STRCMP(use_gvimrc, "NONE") != 0 + && STRCMP(use_gvimrc, "NORC") != 0 + && do_source(use_gvimrc, FALSE, DOSO_NONE) != OK) + semsg(_("E230: Cannot read from \"%s\""), use_gvimrc); + } + else + { + /* + * Get system wide defaults for gvim, only when file name defined. + */ +#ifdef SYS_GVIMRC_FILE + do_source((char_u *)SYS_GVIMRC_FILE, FALSE, DOSO_NONE); +#endif + + /* + * Try to read GUI initialization commands from the following + * places: + * - environment variable GVIMINIT + * - the user gvimrc file (~/.gvimrc) + * - the second user gvimrc file ($VIM/.gvimrc for Dos) + * - the third user gvimrc file ($VIM/.gvimrc for Amiga) + * The first that exists is used, the rest is ignored. + */ + if (process_env((char_u *)"GVIMINIT", FALSE) == FAIL + && do_source((char_u *)USR_GVIMRC_FILE, TRUE, + DOSO_GVIMRC) == FAIL +#ifdef USR_GVIMRC_FILE2 + && do_source((char_u *)USR_GVIMRC_FILE2, TRUE, + DOSO_GVIMRC) == FAIL +#endif +#ifdef USR_GVIMRC_FILE3 + && do_source((char_u *)USR_GVIMRC_FILE3, TRUE, + DOSO_GVIMRC) == FAIL +#endif + ) + { +#ifdef USR_GVIMRC_FILE4 + (void)do_source((char_u *)USR_GVIMRC_FILE4, TRUE, DOSO_GVIMRC); +#endif + } + + /* + * Read initialization commands from ".gvimrc" in current + * directory. This is only done if the 'exrc' option is set. + * Because of security reasons we disallow shell and write + * commands now, except for unix if the file is owned by the user + * or 'secure' option has been reset in environment of global + * ".gvimrc". + * Only do this if GVIMRC_FILE is not the same as USR_GVIMRC_FILE, + * USR_GVIMRC_FILE2, USR_GVIMRC_FILE3 or SYS_GVIMRC_FILE. + */ + if (p_exrc) + { +#ifdef UNIX + { + stat_T s; + + /* if ".gvimrc" file is not owned by user, set 'secure' + * mode */ + if (mch_stat(GVIMRC_FILE, &s) || s.st_uid != getuid()) + secure = p_secure; + } +#else + secure = p_secure; +#endif + + if ( fullpathcmp((char_u *)USR_GVIMRC_FILE, + (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME +#ifdef SYS_GVIMRC_FILE + && fullpathcmp((char_u *)SYS_GVIMRC_FILE, + (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME +#endif +#ifdef USR_GVIMRC_FILE2 + && fullpathcmp((char_u *)USR_GVIMRC_FILE2, + (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME +#endif +#ifdef USR_GVIMRC_FILE3 + && fullpathcmp((char_u *)USR_GVIMRC_FILE3, + (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME +#endif +#ifdef USR_GVIMRC_FILE4 + && fullpathcmp((char_u *)USR_GVIMRC_FILE4, + (char_u *)GVIMRC_FILE, FALSE) != FPC_SAME +#endif + ) + do_source((char_u *)GVIMRC_FILE, TRUE, DOSO_GVIMRC); + + if (secure == 2) + need_wait_return = TRUE; + secure = 0; + } + } + + if (need_wait_return || msg_didany) + wait_return(TRUE); + + --recursive; + } + + /* If recursive call opened the shell, return here from the first call */ + if (gui.in_use) + return; + + /* + * Create the GUI shell. + */ + gui.in_use = TRUE; /* Must be set after menus have been set up */ + if (gui_mch_init() == FAIL) + goto error; + + /* Avoid a delay for an error message that was printed in the terminal + * where Vim was started. */ + emsg_on_display = FALSE; + msg_scrolled = 0; + clear_sb_text(TRUE); + need_wait_return = FALSE; + msg_didany = FALSE; + + /* + * Check validity of any generic resources that may have been loaded. + */ + if (gui.border_width < 0) + gui.border_width = 0; + + /* + * Set up the fonts. First use a font specified with "-fn" or "-font". + */ + if (font_argument != NULL) + set_option_value((char_u *)"gfn", 0L, (char_u *)font_argument, 0); + if ( +#ifdef FEAT_XFONTSET + (*p_guifontset == NUL + || gui_init_font(p_guifontset, TRUE) == FAIL) && +#endif + gui_init_font(*p_guifont == NUL ? hl_get_font_name() + : p_guifont, FALSE) == FAIL) + { + emsg(_("E665: Cannot start GUI, no valid font found")); + goto error2; + } + if (gui_get_wide_font() == FAIL) + emsg(_("E231: 'guifontwide' invalid")); + + gui.num_cols = Columns; + gui.num_rows = Rows; + gui_reset_scroll_region(); + + /* Create initial scrollbars */ + FOR_ALL_WINDOWS(wp) + { + gui_create_scrollbar(&wp->w_scrollbars[SBAR_LEFT], SBAR_LEFT, wp); + gui_create_scrollbar(&wp->w_scrollbars[SBAR_RIGHT], SBAR_RIGHT, wp); + } + gui_create_scrollbar(&gui.bottom_sbar, SBAR_BOTTOM, NULL); + +#ifdef FEAT_MENU + gui_create_initial_menus(root_menu); +#endif +#ifdef FEAT_SIGN_ICONS + sign_gui_started(); +#endif + + /* Configure the desired menu and scrollbars */ + gui_init_which_components(NULL); + + /* All components of the GUI have been created now */ + gui.shell_created = TRUE; + +#ifndef FEAT_GUI_GTK + // Set the shell size, adjusted for the screen size. For GTK this only + // works after the shell has been opened, thus it is further down. + // For MS-Windows pass FALSE for "mustset" to make --windowid work. + gui_set_shellsize(FALSE, TRUE, RESIZE_BOTH); +#endif +#if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) + /* Need to set the size of the menubar after all the menus have been + * created. */ + gui_mch_compute_menu_height((Widget)0); +#endif + + /* + * Actually open the GUI shell. + */ + if (gui_mch_open() != FAIL) + { +#ifdef FEAT_TITLE + maketitle(); + resettitle(); +#endif + init_gui_options(); +#ifdef FEAT_ARABIC + /* Our GUI can't do bidi. */ + p_tbidi = FALSE; +#endif +#if defined(FEAT_GUI_GTK) + /* Give GTK+ a chance to put all widget's into place. */ + gui_mch_update(); + +# ifdef FEAT_MENU + /* If there is no 'm' in 'guioptions' we need to remove the menu now. + * It was still there to make F10 work. */ + if (vim_strchr(p_go, GO_MENUS) == NULL) + { + --gui.starting; + gui_mch_enable_menu(FALSE); + ++gui.starting; + gui_mch_update(); + } +# endif + + /* Now make sure the shell fits on the screen. */ + gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH); +#endif + /* When 'lines' was set while starting up the topframe may have to be + * resized. */ + win_new_shellsize(); + +#ifdef FEAT_BEVAL_GUI + /* Always create the Balloon Evaluation area, but disable it when + * 'ballooneval' is off. */ + if (balloonEval != NULL) + { +# ifdef FEAT_VARTABS + vim_free(balloonEval->vts); +# endif + vim_free(balloonEval); + } + balloonEvalForTerm = FALSE; +# ifdef FEAT_GUI_GTK + balloonEval = gui_mch_create_beval_area(gui.drawarea, NULL, + &general_beval_cb, NULL); +# else +# if defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA) + { + extern Widget textArea; + balloonEval = gui_mch_create_beval_area(textArea, NULL, + &general_beval_cb, NULL); + } +# else +# ifdef FEAT_GUI_W32 + balloonEval = gui_mch_create_beval_area(NULL, NULL, + &general_beval_cb, NULL); +# endif +# endif +# endif + if (!p_beval) + gui_mch_disable_beval_area(balloonEval); +#endif + +#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK) + if (!im_xim_isvalid_imactivate()) + emsg(_("E599: Value of 'imactivatekey' is invalid")); +#endif + /* When 'cmdheight' was set during startup it may not have taken + * effect yet. */ + if (p_ch != 1L) + command_height(); + + return; + } + +error2: +#ifdef FEAT_GUI_X11 + /* undo gui_mch_init() */ + gui_mch_uninit(); +#endif + +error: + gui.in_use = FALSE; + clip_init(FALSE); +} + + + void +gui_exit(int rc) +{ + /* don't free the fonts, it leads to a BUS error + * richard@whitequeen.com Jul 99 */ + free_highlight_fonts(); + gui.in_use = FALSE; + gui_mch_exit(rc); +} + +#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(FEAT_GUI_MSWIN) \ + || defined(FEAT_GUI_PHOTON) || defined(FEAT_GUI_MAC) || defined(PROTO) +# define NEED_GUI_UPDATE_SCREEN 1 +/* + * Called when the GUI shell is closed by the user. If there are no changed + * files Vim exits, otherwise there will be a dialog to ask the user what to + * do. + * When this function returns, Vim should NOT exit! + */ + void +gui_shell_closed(void) +{ + cmdmod_T save_cmdmod; + + save_cmdmod = cmdmod; + + /* Only exit when there are no changed files */ + exiting = TRUE; +# ifdef FEAT_BROWSE + cmdmod.browse = TRUE; +# endif +# if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + cmdmod.confirm = TRUE; +# endif + /* If there are changed buffers, present the user with a dialog if + * possible, otherwise give an error message. */ + if (!check_changed_any(FALSE, FALSE)) + getout(0); + + exiting = FALSE; + cmdmod = save_cmdmod; + gui_update_screen(); /* redraw, window may show changed buffer */ +} +#endif + +/* + * Set the font. "font_list" is a comma separated list of font names. The + * first font name that works is used. If none is found, use the default + * font. + * If "fontset" is TRUE, the "font_list" is used as one name for the fontset. + * Return OK when able to set the font. When it failed FAIL is returned and + * the fonts are unchanged. + */ + int +gui_init_font(char_u *font_list, int fontset UNUSED) +{ +#define FONTLEN 320 + char_u font_name[FONTLEN]; + int font_list_empty = FALSE; + int ret = FAIL; + + if (!gui.in_use) + return FAIL; + + font_name[0] = NUL; + if (*font_list == NUL) + font_list_empty = TRUE; + else + { +#ifdef FEAT_XFONTSET + /* When using a fontset, the whole list of fonts is one name. */ + if (fontset) + ret = gui_mch_init_font(font_list, TRUE); + else +#endif + while (*font_list != NUL) + { + /* Isolate one comma separated font name. */ + (void)copy_option_part(&font_list, font_name, FONTLEN, ","); + + /* Careful!!! The Win32 version of gui_mch_init_font(), when + * called with "*" will change p_guifont to the selected font + * name, which frees the old value. This makes font_list + * invalid. Thus when OK is returned here, font_list must no + * longer be used! */ + if (gui_mch_init_font(font_name, FALSE) == OK) + { +#if !defined(FEAT_GUI_GTK) + /* If it's a Unicode font, try setting 'guifontwide' to a + * similar double-width font. */ + if ((p_guifontwide == NULL || *p_guifontwide == NUL) + && strstr((char *)font_name, "10646") != NULL) + set_guifontwide(font_name); +#endif + ret = OK; + break; + } + } + } + + if (ret != OK + && STRCMP(font_list, "*") != 0 + && (font_list_empty || gui.norm_font == NOFONT)) + { + /* + * Couldn't load any font in 'font_list', keep the current font if + * there is one. If 'font_list' is empty, or if there is no current + * font, tell gui_mch_init_font() to try to find a font we can load. + */ + ret = gui_mch_init_font(NULL, FALSE); + } + + if (ret == OK) + { +#ifndef FEAT_GUI_GTK + /* Set normal font as current font */ +# ifdef FEAT_XFONTSET + if (gui.fontset != NOFONTSET) + gui_mch_set_fontset(gui.fontset); + else +# endif + gui_mch_set_font(gui.norm_font); +#endif + gui_set_shellsize(TRUE, TRUE, RESIZE_BOTH); + } + + return ret; +} + +#ifndef FEAT_GUI_GTK +/* + * Try setting 'guifontwide' to a font twice as wide as "name". + */ + static void +set_guifontwide(char_u *name) +{ + int i = 0; + char_u wide_name[FONTLEN + 10]; /* room for 2 * width and '*' */ + char_u *wp = NULL; + char_u *p; + GuiFont font; + + wp = wide_name; + for (p = name; *p != NUL; ++p) + { + *wp++ = *p; + if (*p == '-') + { + ++i; + if (i == 6) /* font type: change "--" to "-*-" */ + { + if (p[1] == '-') + *wp++ = '*'; + } + else if (i == 12) /* found the width */ + { + ++p; + i = getdigits(&p); + if (i != 0) + { + /* Double the width specification. */ + sprintf((char *)wp, "%d%s", i * 2, p); + font = gui_mch_get_font(wide_name, FALSE); + if (font != NOFONT) + { + gui_mch_free_font(gui.wide_font); + gui.wide_font = font; + set_string_option_direct((char_u *)"gfw", -1, + wide_name, OPT_FREE, 0); + } + } + break; + } + } + } +} +#endif /* !FEAT_GUI_GTK */ + +/* + * Get the font for 'guifontwide'. + * Return FAIL for an invalid font name. + */ + int +gui_get_wide_font(void) +{ + GuiFont font = NOFONT; + char_u font_name[FONTLEN]; + char_u *p; + + if (!gui.in_use) /* Can't allocate font yet, assume it's OK. */ + return OK; /* Will give an error message later. */ + + if (p_guifontwide != NULL && *p_guifontwide != NUL) + { + for (p = p_guifontwide; *p != NUL; ) + { + /* Isolate one comma separated font name. */ + (void)copy_option_part(&p, font_name, FONTLEN, ","); + font = gui_mch_get_font(font_name, FALSE); + if (font != NOFONT) + break; + } + if (font == NOFONT) + return FAIL; + } + + gui_mch_free_font(gui.wide_font); +#ifdef FEAT_GUI_GTK + /* Avoid unnecessary overhead if 'guifontwide' is equal to 'guifont'. */ + if (font != NOFONT && gui.norm_font != NOFONT + && pango_font_description_equal(font, gui.norm_font)) + { + gui.wide_font = NOFONT; + gui_mch_free_font(font); + } + else +#endif + gui.wide_font = font; +#ifdef FEAT_GUI_MSWIN + gui_mch_wide_font_changed(); +#else + /* + * TODO: setup wide_bold_font, wide_ital_font and wide_boldital_font to + * support those fonts for 'guifontwide'. + */ +#endif + return OK; +} + + void +gui_set_cursor(int row, int col) +{ + gui.row = row; + gui.col = col; +} + +/* + * gui_check_pos - check if the cursor is on the screen. + */ + static void +gui_check_pos(void) +{ + if (gui.row >= screen_Rows) + gui.row = screen_Rows - 1; + if (gui.col >= screen_Columns) + gui.col = screen_Columns - 1; + if (gui.cursor_row >= screen_Rows || gui.cursor_col >= screen_Columns) + gui.cursor_is_valid = FALSE; +} + +/* + * Redraw the cursor if necessary or when forced. + * Careful: The contents of ScreenLines[] must match what is on the screen, + * otherwise this goes wrong. May need to call out_flush() first. + */ + void +gui_update_cursor( + int force, /* when TRUE, update even when not moved */ + int clear_selection)/* clear selection under cursor */ +{ + int cur_width = 0; + int cur_height = 0; + int old_hl_mask; + cursorentry_T *shape; + int id; +#ifdef FEAT_TERMINAL + guicolor_T shape_fg = INVALCOLOR; + guicolor_T shape_bg = INVALCOLOR; +#endif + guicolor_T cfg, cbg, cc; /* cursor fore-/background color */ + int cattr; /* cursor attributes */ + int attr; + attrentry_T *aep = NULL; + + /* Don't update the cursor when halfway busy scrolling or the screen size + * doesn't match 'columns' and 'lines. ScreenLines[] isn't valid then. */ + if (!can_update_cursor || screen_Columns != gui.num_cols + || screen_Rows != gui.num_rows) + return; + + gui_check_pos(); + if (!gui.cursor_is_valid || force + || gui.row != gui.cursor_row || gui.col != gui.cursor_col) + { + gui_undraw_cursor(); + if (gui.row < 0) + return; +#ifdef HAVE_INPUT_METHOD + if (gui.row != gui.cursor_row || gui.col != gui.cursor_col) + im_set_position(gui.row, gui.col); +#endif + gui.cursor_row = gui.row; + gui.cursor_col = gui.col; + + /* Only write to the screen after ScreenLines[] has been initialized */ + if (!screen_cleared || ScreenLines == NULL) + return; + + /* Clear the selection if we are about to write over it */ + if (clear_selection) + clip_may_clear_selection(gui.row, gui.row); + /* Check that the cursor is inside the shell (resizing may have made + * it invalid) */ + if (gui.row >= screen_Rows || gui.col >= screen_Columns) + return; + + gui.cursor_is_valid = TRUE; + + /* + * How the cursor is drawn depends on the current mode. + * When in a terminal window use the shape/color specified there. + */ +#ifdef FEAT_TERMINAL + if (terminal_is_active()) + shape = term_get_cursor_shape(&shape_fg, &shape_bg); + else +#endif + shape = &shape_table[get_shape_idx(FALSE)]; + if (State & LANGMAP) + id = shape->id_lm; + else + id = shape->id; + + /* get the colors and attributes for the cursor. Default is inverted */ + cfg = INVALCOLOR; + cbg = INVALCOLOR; + cattr = HL_INVERSE; + gui_mch_set_blinking(shape->blinkwait, + shape->blinkon, + shape->blinkoff); + if (shape->blinkwait == 0 || shape->blinkon == 0 + || shape->blinkoff == 0) + gui_mch_stop_blink(FALSE); +#ifdef FEAT_TERMINAL + if (shape_bg != INVALCOLOR) + { + cattr = 0; + cfg = shape_fg; + cbg = shape_bg; + } + else +#endif + if (id > 0) + { + cattr = syn_id2colors(id, &cfg, &cbg); +#if defined(HAVE_INPUT_METHOD) || defined(FEAT_HANGULIN) + { + static int iid; + guicolor_T fg, bg; + + if ( +# if defined(FEAT_GUI_GTK) && defined(FEAT_XIM) && !defined(FEAT_HANGULIN) + preedit_get_status() +# else + im_get_status() +# endif + ) + { + iid = syn_name2id((char_u *)"CursorIM"); + if (iid > 0) + { + syn_id2colors(iid, &fg, &bg); + if (bg != INVALCOLOR) + cbg = bg; + if (fg != INVALCOLOR) + cfg = fg; + } + } + } +#endif + } + + /* + * Get the attributes for the character under the cursor. + * When no cursor color was given, use the character color. + */ + attr = ScreenAttrs[LineOffset[gui.row] + gui.col]; + if (attr > HL_ALL) + aep = syn_gui_attr2entry(attr); + if (aep != NULL) + { + attr = aep->ae_attr; + if (cfg == INVALCOLOR) + cfg = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color + : aep->ae_u.gui.fg_color); + if (cbg == INVALCOLOR) + cbg = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color + : aep->ae_u.gui.bg_color); + } + if (cfg == INVALCOLOR) + cfg = (attr & HL_INVERSE) ? gui.back_pixel : gui.norm_pixel; + if (cbg == INVALCOLOR) + cbg = (attr & HL_INVERSE) ? gui.norm_pixel : gui.back_pixel; + +#ifdef FEAT_XIM + if (aep != NULL) + { + xim_bg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.fg_color + : aep->ae_u.gui.bg_color); + xim_fg_color = ((attr & HL_INVERSE) ? aep->ae_u.gui.bg_color + : aep->ae_u.gui.fg_color); + if (xim_bg_color == INVALCOLOR) + xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel + : gui.back_pixel; + if (xim_fg_color == INVALCOLOR) + xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel + : gui.norm_pixel; + } + else + { + xim_bg_color = (attr & HL_INVERSE) ? gui.norm_pixel + : gui.back_pixel; + xim_fg_color = (attr & HL_INVERSE) ? gui.back_pixel + : gui.norm_pixel; + } +#endif + + attr &= ~HL_INVERSE; + if (cattr & HL_INVERSE) + { + cc = cbg; + cbg = cfg; + cfg = cc; + } + cattr &= ~HL_INVERSE; + + /* + * When we don't have window focus, draw a hollow cursor. + */ + if (!gui.in_focus) + { + gui_mch_draw_hollow_cursor(cbg); + return; + } + + old_hl_mask = gui.highlight_mask; + if (shape->shape == SHAPE_BLOCK +#ifdef FEAT_HANGULIN + || composing_hangul +#endif + ) + { + /* + * Draw the text character with the cursor colors. Use the + * character attributes plus the cursor attributes. + */ + gui.highlight_mask = (cattr | attr); +#ifdef FEAT_HANGULIN + if (composing_hangul) + { + char_u *comp_buf; + int comp_len; + + comp_buf = hangul_composing_buffer_get(&comp_len); + if (comp_buf) + { + (void)gui_outstr_nowrap(comp_buf, comp_len, + GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, + cfg, cbg, 0); + vim_free(comp_buf); + } + } + else +#endif + (void)gui_screenchar(LineOffset[gui.row] + gui.col, + GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, cfg, cbg, 0); + } + else + { +#if defined(FEAT_RIGHTLEFT) + int col_off = FALSE; +#endif + /* + * First draw the partial cursor, then overwrite with the text + * character, using a transparent background. + */ + if (shape->shape == SHAPE_VER) + { + cur_height = gui.char_height; + cur_width = (gui.char_width * shape->percentage + 99) / 100; + } + else + { + cur_height = (gui.char_height * shape->percentage + 99) / 100; + cur_width = gui.char_width; + } + if (has_mbyte && (*mb_off2cells)(LineOffset[gui.row] + gui.col, + LineOffset[gui.row] + screen_Columns) > 1) + { + /* Double wide character. */ + if (shape->shape != SHAPE_VER) + cur_width += gui.char_width; +#ifdef FEAT_RIGHTLEFT + if (CURSOR_BAR_RIGHT) + { + /* gui.col points to the left halve of the character but + * the vertical line needs to be on the right halve. + * A double-wide horizontal line is also drawn from the + * right halve in gui_mch_draw_part_cursor(). */ + col_off = TRUE; + ++gui.col; + } +#endif + } + gui_mch_draw_part_cursor(cur_width, cur_height, cbg); +#if defined(FEAT_RIGHTLEFT) + if (col_off) + --gui.col; +#endif + +#ifndef FEAT_GUI_MSWIN /* doesn't seem to work for MSWindows */ + gui.highlight_mask = ScreenAttrs[LineOffset[gui.row] + gui.col]; + (void)gui_screenchar(LineOffset[gui.row] + gui.col, + GUI_MON_TRS_CURSOR | GUI_MON_NOCLEAR, + (guicolor_T)0, (guicolor_T)0, 0); +#endif + } + gui.highlight_mask = old_hl_mask; + } +} + +#if defined(FEAT_MENU) || defined(PROTO) + void +gui_position_menu(void) +{ +# if !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) + if (gui.menu_is_active && gui.in_use) + gui_mch_set_menu_pos(0, 0, gui.menu_width, gui.menu_height); +# endif +} +#endif + +/* + * Position the various GUI components (text area, menu). The vertical + * scrollbars are NOT handled here. See gui_update_scrollbars(). + */ + static void +gui_position_components(int total_width UNUSED) +{ + int text_area_x; + int text_area_y; + int text_area_width; + int text_area_height; + + /* avoid that moving components around generates events */ + ++hold_gui_events; + + text_area_x = 0; + if (gui.which_scrollbars[SBAR_LEFT]) + text_area_x += gui.scrollbar_width; + + text_area_y = 0; +#if defined(FEAT_MENU) && !(defined(FEAT_GUI_GTK) || defined(FEAT_GUI_PHOTON)) + gui.menu_width = total_width; + if (gui.menu_is_active) + text_area_y += gui.menu_height; +#endif +#if defined(FEAT_TOOLBAR) && defined(FEAT_GUI_MSWIN) + if (vim_strchr(p_go, GO_TOOLBAR) != NULL) + text_area_y = TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; +#endif + +# if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ + || defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_MAC)) + if (gui_has_tabline()) + text_area_y += gui.tabline_height; +#endif + +#if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MOTIF) || defined(FEAT_GUI_ATHENA)) + if (vim_strchr(p_go, GO_TOOLBAR) != NULL) + { +# ifdef FEAT_GUI_ATHENA + gui_mch_set_toolbar_pos(0, text_area_y, + gui.menu_width, gui.toolbar_height); +# endif + text_area_y += gui.toolbar_height; + } +#endif + + text_area_width = gui.num_cols * gui.char_width + gui.border_offset * 2; + text_area_height = gui.num_rows * gui.char_height + gui.border_offset * 2; + + gui_mch_set_text_area_pos(text_area_x, + text_area_y, + text_area_width, + text_area_height +#if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) + + xim_get_status_area_height() +#endif + ); +#ifdef FEAT_MENU + gui_position_menu(); +#endif + if (gui.which_scrollbars[SBAR_BOTTOM]) + gui_mch_set_scrollbar_pos(&gui.bottom_sbar, + text_area_x, + text_area_y + text_area_height, + text_area_width, + gui.scrollbar_height); + gui.left_sbar_x = 0; + gui.right_sbar_x = text_area_x + text_area_width; + + --hold_gui_events; +} + +/* + * Get the width of the widgets and decorations to the side of the text area. + */ + int +gui_get_base_width(void) +{ + int base_width; + + base_width = 2 * gui.border_offset; + if (gui.which_scrollbars[SBAR_LEFT]) + base_width += gui.scrollbar_width; + if (gui.which_scrollbars[SBAR_RIGHT]) + base_width += gui.scrollbar_width; + return base_width; +} + +/* + * Get the height of the widgets and decorations above and below the text area. + */ + int +gui_get_base_height(void) +{ + int base_height; + + base_height = 2 * gui.border_offset; + if (gui.which_scrollbars[SBAR_BOTTOM]) + base_height += gui.scrollbar_height; +#ifdef FEAT_GUI_GTK + /* We can't take the sizes properly into account until anything is + * realized. Therefore we recalculate all the values here just before + * setting the size. (--mdcki) */ +#else +# ifdef FEAT_MENU + if (gui.menu_is_active) + base_height += gui.menu_height; +# endif +# ifdef FEAT_TOOLBAR + if (vim_strchr(p_go, GO_TOOLBAR) != NULL) +# if defined(FEAT_GUI_MSWIN) && defined(FEAT_TOOLBAR) + base_height += (TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT); +# else + base_height += gui.toolbar_height; +# endif +# endif +# if defined(FEAT_GUI_TABLINE) && (defined(FEAT_GUI_MSWIN) \ + || defined(FEAT_GUI_MOTIF)) + if (gui_has_tabline()) + base_height += gui.tabline_height; +# endif +# ifdef FEAT_FOOTER + if (vim_strchr(p_go, GO_FOOTER) != NULL) + base_height += gui.footer_height; +# endif +# if defined(FEAT_GUI_MOTIF) && defined(FEAT_MENU) + base_height += gui_mch_text_area_extra_height(); +# endif +#endif + return base_height; +} + +/* + * Should be called after the GUI shell has been resized. Its arguments are + * the new width and height of the shell in pixels. + */ + void +gui_resize_shell(int pixel_width, int pixel_height) +{ + static int busy = FALSE; + + if (!gui.shell_created) /* ignore when still initializing */ + return; + + /* + * Can't resize the screen while it is being redrawn. Remember the new + * size and handle it later. + */ + if (updating_screen || busy) + { + new_pixel_width = pixel_width; + new_pixel_height = pixel_height; + return; + } + +again: + new_pixel_width = 0; + new_pixel_height = 0; + busy = TRUE; + + /* Flush pending output before redrawing */ + out_flush(); + + gui.num_cols = (pixel_width - gui_get_base_width()) / gui.char_width; + gui.num_rows = (pixel_height - gui_get_base_height()) / gui.char_height; + + gui_position_components(pixel_width); + gui_reset_scroll_region(); + + /* + * At the "more" and ":confirm" prompt there is no redraw, put the cursor + * at the last line here (why does it have to be one row too low?). + */ + if (State == ASKMORE || State == CONFIRM) + gui.row = gui.num_rows; + + /* Only comparing Rows and Columns may be sufficient, but let's stay on + * the safe side. */ + if (gui.num_rows != screen_Rows || gui.num_cols != screen_Columns + || gui.num_rows != Rows || gui.num_cols != Columns) + shell_resized(); + + gui_update_scrollbars(TRUE); + gui_update_cursor(FALSE, TRUE); +#if defined(FEAT_XIM) && !defined(FEAT_GUI_GTK) + xim_set_status_area(); +#endif + + busy = FALSE; + + /* We may have been called again while redrawing the screen. + * Need to do it all again with the latest size then. But only if the size + * actually changed. */ + if (new_pixel_height) + { + if (pixel_width == new_pixel_width && pixel_height == new_pixel_height) + { + new_pixel_width = 0; + new_pixel_height = 0; + } + else + { + pixel_width = new_pixel_width; + pixel_height = new_pixel_height; + goto again; + } + } +} + +/* + * Check if gui_resize_shell() must be called. + */ + void +gui_may_resize_shell(void) +{ + if (new_pixel_height) + /* careful: gui_resize_shell() may postpone the resize again if we + * were called indirectly by it */ + gui_resize_shell(new_pixel_width, new_pixel_height); +} + + int +gui_get_shellsize(void) +{ + Rows = gui.num_rows; + Columns = gui.num_cols; + return OK; +} + +/* + * Set the size of the Vim shell according to Rows and Columns. + * If "fit_to_display" is TRUE then the size may be reduced to fit the window + * on the screen. + * When "mustset" is TRUE the size was set by the user. When FALSE a UI + * component was added or removed (e.g., a scrollbar). + */ + void +gui_set_shellsize( + int mustset UNUSED, + int fit_to_display, + int direction) /* RESIZE_HOR, RESIZE_VER */ +{ + int base_width; + int base_height; + int width; + int height; + int min_width; + int min_height; + int screen_w; + int screen_h; +#ifdef FEAT_GUI_GTK + int un_maximize = mustset; + int did_adjust = 0; +#endif + int x = -1, y = -1; + + if (!gui.shell_created) + return; + +#if defined(MSWIN) || defined(FEAT_GUI_GTK) + /* If not setting to a user specified size and maximized, calculate the + * number of characters that fit in the maximized window. */ + if (!mustset && (vim_strchr(p_go, GO_KEEPWINSIZE) != NULL + || gui_mch_maximized())) + { + gui_mch_newfont(); + return; + } +#endif + + base_width = gui_get_base_width(); + base_height = gui_get_base_height(); + if (fit_to_display) + /* Remember the original window position. */ + (void)gui_mch_get_winpos(&x, &y); + + width = Columns * gui.char_width + base_width; + height = Rows * gui.char_height + base_height; + + if (fit_to_display) + { + gui_mch_get_screen_dimensions(&screen_w, &screen_h); + if ((direction & RESIZE_HOR) && width > screen_w) + { + Columns = (screen_w - base_width) / gui.char_width; + if (Columns < MIN_COLUMNS) + Columns = MIN_COLUMNS; + width = Columns * gui.char_width + base_width; +#ifdef FEAT_GUI_GTK + ++did_adjust; +#endif + } + if ((direction & RESIZE_VERT) && height > screen_h) + { + Rows = (screen_h - base_height) / gui.char_height; + check_shellsize(); + height = Rows * gui.char_height + base_height; +#ifdef FEAT_GUI_GTK + ++did_adjust; +#endif + } +#ifdef FEAT_GUI_GTK + if (did_adjust == 2 || (width + gui.char_width >= screen_w + && height + gui.char_height >= screen_h)) + /* don't unmaximize if at maximum size */ + un_maximize = FALSE; +#endif + } + limit_screen_size(); + gui.num_cols = Columns; + gui.num_rows = Rows; + + min_width = base_width + MIN_COLUMNS * gui.char_width; + min_height = base_height + MIN_LINES * gui.char_height; + min_height += tabline_height() * gui.char_height; + +#ifdef FEAT_GUI_GTK + if (un_maximize) + { + /* If the window size is smaller than the screen unmaximize the + * window, otherwise resizing won't work. */ + gui_mch_get_screen_dimensions(&screen_w, &screen_h); + if ((width + gui.char_width < screen_w + || height + gui.char_height * 2 < screen_h) + && gui_mch_maximized()) + gui_mch_unmaximize(); + } +#endif + + gui_mch_set_shellsize(width, height, min_width, min_height, + base_width, base_height, direction); + + if (fit_to_display && x >= 0 && y >= 0) + { + /* Some window managers put the Vim window left of/above the screen. + * Only change the position if it wasn't already negative before + * (happens on MS-Windows with a secondary monitor). */ + gui_mch_update(); + if (gui_mch_get_winpos(&x, &y) == OK && (x < 0 || y < 0)) + gui_mch_set_winpos(x < 0 ? 0 : x, y < 0 ? 0 : y); + } + + gui_position_components(width); + gui_update_scrollbars(TRUE); + gui_reset_scroll_region(); +} + +/* + * Called when Rows and/or Columns has changed. + */ + void +gui_new_shellsize(void) +{ + gui_reset_scroll_region(); +} + +/* + * Make scroll region cover whole screen. + */ + void +gui_reset_scroll_region(void) +{ + gui.scroll_region_top = 0; + gui.scroll_region_bot = gui.num_rows - 1; + gui.scroll_region_left = 0; + gui.scroll_region_right = gui.num_cols - 1; +} + + void +gui_start_highlight(int mask) +{ + if (mask > HL_ALL) /* highlight code */ + gui.highlight_mask = mask; + else /* mask */ + gui.highlight_mask |= mask; +} + + void +gui_stop_highlight(int mask) +{ + if (mask > HL_ALL) /* highlight code */ + gui.highlight_mask = HL_NORMAL; + else /* mask */ + gui.highlight_mask &= ~mask; +} + +/* + * Clear a rectangular region of the screen from text pos (row1, col1) to + * (row2, col2) inclusive. + */ + void +gui_clear_block( + int row1, + int col1, + int row2, + int col2) +{ + /* Clear the selection if we are about to write over it */ + clip_may_clear_selection(row1, row2); + + gui_mch_clear_block(row1, col1, row2, col2); + + /* Invalidate cursor if it was in this block */ + if ( gui.cursor_row >= row1 && gui.cursor_row <= row2 + && gui.cursor_col >= col1 && gui.cursor_col <= col2) + gui.cursor_is_valid = FALSE; +} + +/* + * Write code to update the cursor later. This avoids the need to flush the + * output buffer before calling gui_update_cursor(). + */ + void +gui_update_cursor_later(void) +{ + OUT_STR(IF_EB("\033|s", ESC_STR "|s")); +} + + void +gui_write( + char_u *s, + int len) +{ + char_u *p; + int arg1 = 0, arg2 = 0; + int force_cursor = FALSE; /* force cursor update */ + int force_scrollbar = FALSE; + static win_T *old_curwin = NULL; + +/* #define DEBUG_GUI_WRITE */ +#ifdef DEBUG_GUI_WRITE + { + int i; + char_u *str; + + printf("gui_write(%d):\n ", len); + for (i = 0; i < len; i++) + if (s[i] == ESC) + { + if (i != 0) + printf("\n "); + printf("<ESC>"); + } + else + { + str = transchar_byte(s[i]); + if (str[0] && str[1]) + printf("<%s>", (char *)str); + else + printf("%s", (char *)str); + } + printf("\n"); + } +#endif + while (len) + { + if (s[0] == ESC && s[1] == '|') + { + p = s + 2; + if (VIM_ISDIGIT(*p) || (*p == '-' && VIM_ISDIGIT(*(p + 1)))) + { + arg1 = getdigits(&p); + if (p > s + len) + break; + if (*p == ';') + { + ++p; + arg2 = getdigits(&p); + if (p > s + len) + break; + } + } + switch (*p) + { + case 'C': /* Clear screen */ + clip_scroll_selection(9999); + gui_mch_clear_all(); + gui.cursor_is_valid = FALSE; + force_scrollbar = TRUE; + break; + case 'M': /* Move cursor */ + gui_set_cursor(arg1, arg2); + break; + case 's': /* force cursor (shape) update */ + force_cursor = TRUE; + break; + case 'R': /* Set scroll region */ + if (arg1 < arg2) + { + gui.scroll_region_top = arg1; + gui.scroll_region_bot = arg2; + } + else + { + gui.scroll_region_top = arg2; + gui.scroll_region_bot = arg1; + } + break; + case 'V': /* Set vertical scroll region */ + if (arg1 < arg2) + { + gui.scroll_region_left = arg1; + gui.scroll_region_right = arg2; + } + else + { + gui.scroll_region_left = arg2; + gui.scroll_region_right = arg1; + } + break; + case 'd': /* Delete line */ + gui_delete_lines(gui.row, 1); + break; + case 'D': /* Delete lines */ + gui_delete_lines(gui.row, arg1); + break; + case 'i': /* Insert line */ + gui_insert_lines(gui.row, 1); + break; + case 'I': /* Insert lines */ + gui_insert_lines(gui.row, arg1); + break; + case '$': /* Clear to end-of-line */ + gui_clear_block(gui.row, gui.col, gui.row, + (int)Columns - 1); + break; + case 'h': /* Turn on highlighting */ + gui_start_highlight(arg1); + break; + case 'H': /* Turn off highlighting */ + gui_stop_highlight(arg1); + break; + case 'f': /* flash the window (visual bell) */ + gui_mch_flash(arg1 == 0 ? 20 : arg1); + break; + default: + p = s + 1; /* Skip the ESC */ + break; + } + len -= (int)(++p - s); + s = p; + } + else if ( +#ifdef EBCDIC + CtrlChar(s[0]) != 0 /* Ctrl character */ +#else + s[0] < 0x20 /* Ctrl character */ +#endif +#ifdef FEAT_SIGN_ICONS + && s[0] != SIGN_BYTE +# ifdef FEAT_NETBEANS_INTG + && s[0] != MULTISIGN_BYTE +# endif +#endif + ) + { + if (s[0] == '\n') /* NL */ + { + gui.col = 0; + if (gui.row < gui.scroll_region_bot) + gui.row++; + else + gui_delete_lines(gui.scroll_region_top, 1); + } + else if (s[0] == '\r') /* CR */ + { + gui.col = 0; + } + else if (s[0] == '\b') /* Backspace */ + { + if (gui.col) + --gui.col; + } + else if (s[0] == Ctrl_L) /* cursor-right */ + { + ++gui.col; + } + else if (s[0] == Ctrl_G) /* Beep */ + { + gui_mch_beep(); + } + /* Other Ctrl character: shouldn't happen! */ + + --len; /* Skip this char */ + ++s; + } + else + { + p = s; + while (len > 0 && ( +#ifdef EBCDIC + CtrlChar(*p) == 0 +#else + *p >= 0x20 +#endif +#ifdef FEAT_SIGN_ICONS + || *p == SIGN_BYTE +# ifdef FEAT_NETBEANS_INTG + || *p == MULTISIGN_BYTE +# endif +#endif + )) + { + len--; + p++; + } + gui_outstr(s, (int)(p - s)); + s = p; + } + } + + /* Postponed update of the cursor (won't work if "can_update_cursor" isn't + * set). */ + if (force_cursor) + gui_update_cursor(TRUE, TRUE); + + /* When switching to another window the dragging must have stopped. + * Required for GTK, dragged_sb isn't reset. */ + if (old_curwin != curwin) + gui.dragged_sb = SBAR_NONE; + + /* Update the scrollbars after clearing the screen or when switched + * to another window. + * Update the horizontal scrollbar always, it's difficult to check all + * situations where it might change. */ + if (force_scrollbar || old_curwin != curwin) + gui_update_scrollbars(force_scrollbar); + else + gui_update_horiz_scrollbar(FALSE); + old_curwin = curwin; + + /* + * We need to make sure this is cleared since Athena doesn't tell us when + * he is done dragging. Do the same for GTK. + */ +#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) + gui.dragged_sb = SBAR_NONE; +#endif + + gui_may_flush(); /* In case vim decides to take a nap */ +} + +/* + * When ScreenLines[] is invalid, updating the cursor should not be done, it + * produces wrong results. Call gui_dont_update_cursor() before that code and + * gui_can_update_cursor() afterwards. + */ + void +gui_dont_update_cursor(int undraw) +{ + if (gui.in_use) + { + /* Undraw the cursor now, we probably can't do it after the change. */ + if (undraw) + gui_undraw_cursor(); + can_update_cursor = FALSE; + } +} + + void +gui_can_update_cursor(void) +{ + can_update_cursor = TRUE; + /* No need to update the cursor right now, there is always more output + * after scrolling. */ +} + +/* + * Disable issuing gui_mch_flush(). + */ + void +gui_disable_flush(void) +{ + ++disable_flush; +} + +/* + * Enable issuing gui_mch_flush(). + */ + void +gui_enable_flush(void) +{ + --disable_flush; +} + +/* + * Issue gui_mch_flush() if it is not disabled. + */ + void +gui_may_flush(void) +{ + if (disable_flush == 0) + gui_mch_flush(); +} + + static void +gui_outstr(char_u *s, int len) +{ + int this_len; + int cells; + + if (len == 0) + return; + + if (len < 0) + len = (int)STRLEN(s); + + while (len > 0) + { + if (has_mbyte) + { + /* Find out how many chars fit in the current line. */ + cells = 0; + for (this_len = 0; this_len < len; ) + { + cells += (*mb_ptr2cells)(s + this_len); + if (gui.col + cells > Columns) + break; + this_len += (*mb_ptr2len)(s + this_len); + } + if (this_len > len) + this_len = len; /* don't include following composing char */ + } + else + if (gui.col + len > Columns) + this_len = Columns - gui.col; + else + this_len = len; + + (void)gui_outstr_nowrap(s, this_len, + 0, (guicolor_T)0, (guicolor_T)0, 0); + s += this_len; + len -= this_len; + /* fill up for a double-width char that doesn't fit. */ + if (len > 0 && gui.col < Columns) + (void)gui_outstr_nowrap((char_u *)" ", 1, + 0, (guicolor_T)0, (guicolor_T)0, 0); + /* The cursor may wrap to the next line. */ + if (gui.col >= Columns) + { + gui.col = 0; + gui.row++; + } + } +} + +/* + * Output one character (may be one or two display cells). + * Caller must check for valid "off". + * Returns FAIL or OK, just like gui_outstr_nowrap(). + */ + static int +gui_screenchar( + int off, /* Offset from start of screen */ + int flags, + guicolor_T fg, /* colors for cursor */ + guicolor_T bg, /* colors for cursor */ + int back) /* backup this many chars when using bold trick */ +{ + char_u buf[MB_MAXBYTES + 1]; + + /* Don't draw right halve of a double-width UTF-8 char. "cannot happen" */ + if (enc_utf8 && ScreenLines[off] == 0) + return OK; + + if (enc_utf8 && ScreenLinesUC[off] != 0) + /* Draw UTF-8 multi-byte character. */ + return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf), + flags, fg, bg, back); + + if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) + { + buf[0] = ScreenLines[off]; + buf[1] = ScreenLines2[off]; + return gui_outstr_nowrap(buf, 2, flags, fg, bg, back); + } + + /* Draw non-multi-byte character or DBCS character. */ + return gui_outstr_nowrap(ScreenLines + off, + enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1, + flags, fg, bg, back); +} + +#ifdef FEAT_GUI_GTK +/* + * Output the string at the given screen position. This is used in place + * of gui_screenchar() where possible because Pango needs as much context + * as possible to work nicely. It's a lot faster as well. + */ + static int +gui_screenstr( + int off, /* Offset from start of screen */ + int len, /* string length in screen cells */ + int flags, + guicolor_T fg, /* colors for cursor */ + guicolor_T bg, /* colors for cursor */ + int back) /* backup this many chars when using bold trick */ +{ + char_u *buf; + int outlen = 0; + int i; + int retval; + + if (len <= 0) /* "cannot happen"? */ + return OK; + + if (enc_utf8) + { + buf = alloc((unsigned)(len * MB_MAXBYTES + 1)); + if (buf == NULL) + return OK; /* not much we could do here... */ + + for (i = off; i < off + len; ++i) + { + if (ScreenLines[i] == 0) + continue; /* skip second half of double-width char */ + + if (ScreenLinesUC[i] == 0) + buf[outlen++] = ScreenLines[i]; + else + outlen += utfc_char2bytes(i, buf + outlen); + } + + buf[outlen] = NUL; /* only to aid debugging */ + retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); + vim_free(buf); + + return retval; + } + else if (enc_dbcs == DBCS_JPNU) + { + buf = alloc((unsigned)(len * 2 + 1)); + if (buf == NULL) + return OK; /* not much we could do here... */ + + for (i = off; i < off + len; ++i) + { + buf[outlen++] = ScreenLines[i]; + + /* handle double-byte single-width char */ + if (ScreenLines[i] == 0x8e) + buf[outlen++] = ScreenLines2[i]; + else if (MB_BYTE2LEN(ScreenLines[i]) == 2) + buf[outlen++] = ScreenLines[++i]; + } + + buf[outlen] = NUL; /* only to aid debugging */ + retval = gui_outstr_nowrap(buf, outlen, flags, fg, bg, back); + vim_free(buf); + + return retval; + } + else + { + return gui_outstr_nowrap(&ScreenLines[off], len, + flags, fg, bg, back); + } +} +#endif /* FEAT_GUI_GTK */ + +/* + * Output the given string at the current cursor position. If the string is + * too long to fit on the line, then it is truncated. + * "flags": + * GUI_MON_IS_CURSOR should only be used when this function is being called to + * actually draw (an inverted) cursor. + * GUI_MON_TRS_CURSOR is used to draw the cursor text with a transparent + * background. + * GUI_MON_NOCLEAR is used to avoid clearing the selection when drawing over + * it. + * Returns OK, unless "back" is non-zero and using the bold trick, then return + * FAIL (the caller should start drawing "back" chars back). + */ + int +gui_outstr_nowrap( + char_u *s, + int len, + int flags, + guicolor_T fg, /* colors for cursor */ + guicolor_T bg, /* colors for cursor */ + int back) /* backup this many chars when using bold trick */ +{ + long_u highlight_mask; + long_u hl_mask_todo; + guicolor_T fg_color; + guicolor_T bg_color; + guicolor_T sp_color; +#if !defined(FEAT_GUI_GTK) + GuiFont font = NOFONT; + GuiFont wide_font = NOFONT; +# ifdef FEAT_XFONTSET + GuiFontset fontset = NOFONTSET; +# endif +#endif + attrentry_T *aep = NULL; + int draw_flags; + int col = gui.col; +#ifdef FEAT_SIGN_ICONS + int draw_sign = FALSE; +# ifdef FEAT_NETBEANS_INTG + int multi_sign = FALSE; +# endif +#endif + + if (len < 0) + len = (int)STRLEN(s); + if (len == 0) + return OK; + +#ifdef FEAT_SIGN_ICONS + if (*s == SIGN_BYTE +# ifdef FEAT_NETBEANS_INTG + || *s == MULTISIGN_BYTE +# endif + ) + { +# ifdef FEAT_NETBEANS_INTG + if (*s == MULTISIGN_BYTE) + multi_sign = TRUE; +# endif + /* draw spaces instead */ + s = (char_u *)" "; + if (len == 1 && col > 0) + --col; + len = 2; + draw_sign = TRUE; + highlight_mask = 0; + } + else +#endif + if (gui.highlight_mask > HL_ALL) + { + aep = syn_gui_attr2entry(gui.highlight_mask); + if (aep == NULL) /* highlighting not set */ + highlight_mask = 0; + else + highlight_mask = aep->ae_attr; + } + else + highlight_mask = gui.highlight_mask; + hl_mask_todo = highlight_mask; + +#if !defined(FEAT_GUI_GTK) + /* Set the font */ + if (aep != NULL && aep->ae_u.gui.font != NOFONT) + font = aep->ae_u.gui.font; +# ifdef FEAT_XFONTSET + else if (aep != NULL && aep->ae_u.gui.fontset != NOFONTSET) + fontset = aep->ae_u.gui.fontset; +# endif + else + { +# ifdef FEAT_XFONTSET + if (gui.fontset != NOFONTSET) + fontset = gui.fontset; + else +# endif + if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) + { + if ((hl_mask_todo & HL_ITALIC) && gui.boldital_font != NOFONT) + { + font = gui.boldital_font; + hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT | HL_ITALIC); + } + else if (gui.bold_font != NOFONT) + { + font = gui.bold_font; + hl_mask_todo &= ~(HL_BOLD | HL_STANDOUT); + } + else + font = gui.norm_font; + } + else if ((hl_mask_todo & HL_ITALIC) && gui.ital_font != NOFONT) + { + font = gui.ital_font; + hl_mask_todo &= ~HL_ITALIC; + } + else + font = gui.norm_font; + + /* + * Choose correct wide_font by font. wide_font should be set with font + * at same time in above block. But it will make many "ifdef" nasty + * blocks. So we do it here. + */ + if (font == gui.boldital_font && gui.wide_boldital_font) + wide_font = gui.wide_boldital_font; + else if (font == gui.bold_font && gui.wide_bold_font) + wide_font = gui.wide_bold_font; + else if (font == gui.ital_font && gui.wide_ital_font) + wide_font = gui.wide_ital_font; + else if (font == gui.norm_font && gui.wide_font) + wide_font = gui.wide_font; + } +# ifdef FEAT_XFONTSET + if (fontset != NOFONTSET) + gui_mch_set_fontset(fontset); + else +# endif + gui_mch_set_font(font); +#endif + + draw_flags = 0; + + /* Set the color */ + bg_color = gui.back_pixel; + if ((flags & GUI_MON_IS_CURSOR) && gui.in_focus) + { + draw_flags |= DRAW_CURSOR; + fg_color = fg; + bg_color = bg; + sp_color = fg; + } + else if (aep != NULL) + { + fg_color = aep->ae_u.gui.fg_color; + if (fg_color == INVALCOLOR) + fg_color = gui.norm_pixel; + bg_color = aep->ae_u.gui.bg_color; + if (bg_color == INVALCOLOR) + bg_color = gui.back_pixel; + sp_color = aep->ae_u.gui.sp_color; + if (sp_color == INVALCOLOR) + sp_color = fg_color; + } + else + { + fg_color = gui.norm_pixel; + sp_color = fg_color; + } + + if (highlight_mask & (HL_INVERSE | HL_STANDOUT)) + { +#if defined(AMIGA) + gui_mch_set_colors(bg_color, fg_color); +#else + gui_mch_set_fg_color(bg_color); + gui_mch_set_bg_color(fg_color); +#endif + } + else + { +#if defined(AMIGA) + gui_mch_set_colors(fg_color, bg_color); +#else + gui_mch_set_fg_color(fg_color); + gui_mch_set_bg_color(bg_color); +#endif + } + gui_mch_set_sp_color(sp_color); + + /* Clear the selection if we are about to write over it */ + if (!(flags & GUI_MON_NOCLEAR)) + clip_may_clear_selection(gui.row, gui.row); + + + /* If there's no bold font, then fake it */ + if (hl_mask_todo & (HL_BOLD | HL_STANDOUT)) + draw_flags |= DRAW_BOLD; + + /* + * When drawing bold or italic characters the spill-over from the left + * neighbor may be destroyed. Let the caller backup to start redrawing + * just after a blank. + */ + if (back != 0 && ((draw_flags & DRAW_BOLD) || (highlight_mask & HL_ITALIC))) + return FAIL; + +#if defined(FEAT_GUI_GTK) + /* If there's no italic font, then fake it. + * For GTK2, we don't need a different font for italic style. */ + if (hl_mask_todo & HL_ITALIC) + draw_flags |= DRAW_ITALIC; + + /* Do we underline the text? */ + if (hl_mask_todo & HL_UNDERLINE) + draw_flags |= DRAW_UNDERL; + +#else + /* Do we underline the text? */ + if ((hl_mask_todo & HL_UNDERLINE) || (hl_mask_todo & HL_ITALIC)) + draw_flags |= DRAW_UNDERL; +#endif + /* Do we undercurl the text? */ + if (hl_mask_todo & HL_UNDERCURL) + draw_flags |= DRAW_UNDERC; + + /* Do we strikethrough the text? */ + if (hl_mask_todo & HL_STRIKETHROUGH) + draw_flags |= DRAW_STRIKE; + + /* Do we draw transparently? */ + if (flags & GUI_MON_TRS_CURSOR) + draw_flags |= DRAW_TRANSP; + + /* + * Draw the text. + */ +#ifdef FEAT_GUI_GTK + /* The value returned is the length in display cells */ + len = gui_gtk2_draw_string(gui.row, col, s, len, draw_flags); +#else + if (enc_utf8) + { + int start; /* index of bytes to be drawn */ + int cells; /* cellwidth of bytes to be drawn */ + int thislen; /* length of bytes to be drawn */ + int cn; /* cellwidth of current char */ + int i; /* index of current char */ + int c; /* current char value */ + int cl; /* byte length of current char */ + int comping; /* current char is composing */ + int scol = col; /* screen column */ + int curr_wide = FALSE; /* use 'guifontwide' */ + int prev_wide = FALSE; + int wide_changed; +# ifdef WIN3264 + int sep_comp = FALSE; /* Don't separate composing chars. */ +# else + int sep_comp = TRUE; /* Separate composing chars. */ +# endif + + /* Break the string at a composing character, it has to be drawn on + * top of the previous character. */ + start = 0; + cells = 0; + for (i = 0; i < len; i += cl) + { + c = utf_ptr2char(s + i); + cn = utf_char2cells(c); + comping = utf_iscomposing(c); + if (!comping) /* count cells from non-composing chars */ + cells += cn; + if (!comping || sep_comp) + { + if (cn > 1 +# ifdef FEAT_XFONTSET + && fontset == NOFONTSET +# endif + && wide_font != NOFONT) + curr_wide = TRUE; + else + curr_wide = FALSE; + } + cl = utf_ptr2len(s + i); + if (cl == 0) /* hit end of string */ + len = i + cl; /* len must be wrong "cannot happen" */ + + wide_changed = curr_wide != prev_wide; + + /* Print the string so far if it's the last character or there is + * a composing character. */ + if (i + cl >= len || (comping && sep_comp && i > start) + || wide_changed +# if defined(FEAT_GUI_X11) + || (cn > 1 +# ifdef FEAT_XFONTSET + /* No fontset: At least draw char after wide char at + * right position. */ + && fontset == NOFONTSET +# endif + ) +# endif + ) + { + if ((comping && sep_comp) || wide_changed) + thislen = i - start; + else + thislen = i - start + cl; + if (thislen > 0) + { + if (prev_wide) + gui_mch_set_font(wide_font); + gui_mch_draw_string(gui.row, scol, s + start, thislen, + draw_flags); + if (prev_wide) + gui_mch_set_font(font); + start += thislen; + } + scol += cells; + cells = 0; + /* Adjust to not draw a character which width is changed + * against with last one. */ + if (wide_changed && !(comping && sep_comp)) + { + scol -= cn; + cl = 0; + } + +# if defined(FEAT_GUI_X11) + /* No fontset: draw a space to fill the gap after a wide char + * */ + if (cn > 1 && (draw_flags & DRAW_TRANSP) == 0 +# ifdef FEAT_XFONTSET + && fontset == NOFONTSET +# endif + && !wide_changed) + gui_mch_draw_string(gui.row, scol - 1, (char_u *)" ", + 1, draw_flags); +# endif + } + /* Draw a composing char on top of the previous char. */ + if (comping && sep_comp) + { +# if defined(__APPLE_CC__) && TARGET_API_MAC_CARBON + /* Carbon ATSUI autodraws composing char over previous char */ + gui_mch_draw_string(gui.row, scol, s + i, cl, + draw_flags | DRAW_TRANSP); +# else + gui_mch_draw_string(gui.row, scol - cn, s + i, cl, + draw_flags | DRAW_TRANSP); +# endif + start = i + cl; + } + prev_wide = curr_wide; + } + /* The stuff below assumes "len" is the length in screen columns. */ + len = scol - col; + } + else + { + gui_mch_draw_string(gui.row, col, s, len, draw_flags); + if (enc_dbcs == DBCS_JPNU) + { + /* Get the length in display cells, this can be different from the + * number of bytes for "euc-jp". */ + len = mb_string2cells(s, len); + } + } +#endif /* !FEAT_GUI_GTK */ + + if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) + gui.col = col + len; + + /* May need to invert it when it's part of the selection. */ + if (flags & GUI_MON_NOCLEAR) + clip_may_redraw_selection(gui.row, col, len); + + if (!(flags & (GUI_MON_IS_CURSOR | GUI_MON_TRS_CURSOR))) + { + /* Invalidate the old physical cursor position if we wrote over it */ + if (gui.cursor_row == gui.row + && gui.cursor_col >= col + && gui.cursor_col < col + len) + gui.cursor_is_valid = FALSE; + } + +#ifdef FEAT_SIGN_ICONS + if (draw_sign) + /* Draw the sign on top of the spaces. */ + gui_mch_drawsign(gui.row, col, gui.highlight_mask); +# if defined(FEAT_NETBEANS_INTG) && (defined(FEAT_GUI_X11) \ + || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32)) + if (multi_sign) + netbeans_draw_multisign_indicator(gui.row); +# endif +#endif + + return OK; +} + +/* + * Un-draw the cursor. Actually this just redraws the character at the given + * position. The character just before it too, for when it was in bold. + */ + void +gui_undraw_cursor(void) +{ + if (gui.cursor_is_valid) + { +#ifdef FEAT_HANGULIN + if (composing_hangul + && gui.col == gui.cursor_col && gui.row == gui.cursor_row) + { + char_u *comp_buf; + int comp_len; + + comp_buf = hangul_composing_buffer_get(&comp_len); + if (comp_buf) + { + (void)gui_outstr_nowrap(comp_buf, comp_len, + GUI_MON_IS_CURSOR | GUI_MON_NOCLEAR, + gui.norm_pixel, gui.back_pixel, 0); + vim_free(comp_buf); + } + } + else + { +#endif + if (gui_redraw_block(gui.cursor_row, gui.cursor_col, + gui.cursor_row, gui.cursor_col, GUI_MON_NOCLEAR) + && gui.cursor_col > 0) + (void)gui_redraw_block(gui.cursor_row, gui.cursor_col - 1, + gui.cursor_row, gui.cursor_col - 1, GUI_MON_NOCLEAR); +#ifdef FEAT_HANGULIN + if (composing_hangul) + (void)gui_redraw_block(gui.cursor_row, gui.cursor_col + 1, + gui.cursor_row, gui.cursor_col + 1, GUI_MON_NOCLEAR); + } +#endif + /* Cursor_is_valid is reset when the cursor is undrawn, also reset it + * here in case it wasn't needed to undraw it. */ + gui.cursor_is_valid = FALSE; + } +} + + void +gui_redraw( + int x, + int y, + int w, + int h) +{ + int row1, col1, row2, col2; + + row1 = Y_2_ROW(y); + col1 = X_2_COL(x); + row2 = Y_2_ROW(y + h - 1); + col2 = X_2_COL(x + w - 1); + + (void)gui_redraw_block(row1, col1, row2, col2, GUI_MON_NOCLEAR); + + /* + * We may need to redraw the cursor, but don't take it upon us to change + * its location after a scroll. + * (maybe be more strict even and test col too?) + * These things may be outside the update/clipping region and reality may + * not reflect Vims internal ideas if these operations are clipped away. + */ + if (gui.row == gui.cursor_row) + gui_update_cursor(TRUE, TRUE); +} + +/* + * Draw a rectangular block of characters, from row1 to row2 (inclusive) and + * from col1 to col2 (inclusive). + * Return TRUE when the character before the first drawn character has + * different attributes (may have to be redrawn too). + */ + int +gui_redraw_block( + int row1, + int col1, + int row2, + int col2, + int flags) /* flags for gui_outstr_nowrap() */ +{ + int old_row, old_col; + long_u old_hl_mask; + int off; + sattr_T first_attr; + int idx, len; + int back, nback; + int retval = FALSE; + int orig_col1, orig_col2; + + /* Don't try to update when ScreenLines is not valid */ + if (!screen_cleared || ScreenLines == NULL) + return retval; + + /* Don't try to draw outside the shell! */ + /* Check everything, strange values may be caused by a big border width */ + col1 = check_col(col1); + col2 = check_col(col2); + row1 = check_row(row1); + row2 = check_row(row2); + + /* Remember where our cursor was */ + old_row = gui.row; + old_col = gui.col; + old_hl_mask = gui.highlight_mask; + orig_col1 = col1; + orig_col2 = col2; + + for (gui.row = row1; gui.row <= row2; gui.row++) + { + /* When only half of a double-wide character is in the block, include + * the other half. */ + col1 = orig_col1; + col2 = orig_col2; + off = LineOffset[gui.row]; + if (enc_dbcs != 0) + { + if (col1 > 0) + col1 -= dbcs_screen_head_off(ScreenLines + off, + ScreenLines + off + col1); + col2 += dbcs_screen_tail_off(ScreenLines + off, + ScreenLines + off + col2); + } + else if (enc_utf8) + { + if (ScreenLines[off + col1] == 0) + { + if (col1 > 0) + --col1; + else + { + // FIXME: how can the first character ever be zero? + // Make this IEMSGN when it no longer breaks Travis CI. + vim_snprintf((char *)IObuff, IOSIZE, + "INTERNAL ERROR: NUL in ScreenLines in row %ld", + (long)gui.row); + msg((char *)IObuff); + } + } +#ifdef FEAT_GUI_GTK + if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0) + ++col2; +#endif + } + gui.col = col1; + off = LineOffset[gui.row] + gui.col; + len = col2 - col1 + 1; + + /* Find how many chars back this highlighting starts, or where a space + * is. Needed for when the bold trick is used */ + for (back = 0; back < col1; ++back) + if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off] + || ScreenLines[off - 1 - back] == ' ') + break; + retval = (col1 > 0 && ScreenAttrs[off - 1] != 0 && back == 0 + && ScreenLines[off - 1] != ' '); + + /* Break it up in strings of characters with the same attributes. */ + /* Print UTF-8 characters individually. */ + while (len > 0) + { + first_attr = ScreenAttrs[off]; + gui.highlight_mask = first_attr; +#if !defined(FEAT_GUI_GTK) + if (enc_utf8 && ScreenLinesUC[off] != 0) + { + /* output multi-byte character separately */ + nback = gui_screenchar(off, flags, + (guicolor_T)0, (guicolor_T)0, back); + if (gui.col < Columns && ScreenLines[off + 1] == 0) + idx = 2; + else + idx = 1; + } + else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e) + { + /* output double-byte, single-width character separately */ + nback = gui_screenchar(off, flags, + (guicolor_T)0, (guicolor_T)0, back); + idx = 1; + } + else +#endif + { +#ifdef FEAT_GUI_GTK + for (idx = 0; idx < len; ++idx) + { + if (enc_utf8 && ScreenLines[off + idx] == 0) + continue; /* skip second half of double-width char */ + if (ScreenAttrs[off + idx] != first_attr) + break; + } + /* gui_screenstr() takes care of multibyte chars */ + nback = gui_screenstr(off, idx, flags, + (guicolor_T)0, (guicolor_T)0, back); +#else + for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr; + idx++) + { + /* Stop at a multi-byte Unicode character. */ + if (enc_utf8 && ScreenLinesUC[off + idx] != 0) + break; + if (enc_dbcs == DBCS_JPNU) + { + /* Stop at a double-byte single-width char. */ + if (ScreenLines[off + idx] == 0x8e) + break; + if (len > 1 && (*mb_ptr2len)(ScreenLines + + off + idx) == 2) + ++idx; /* skip second byte of double-byte char */ + } + } + nback = gui_outstr_nowrap(ScreenLines + off, idx, flags, + (guicolor_T)0, (guicolor_T)0, back); +#endif + } + if (nback == FAIL) + { + /* Must back up to start drawing where a bold or italic word + * starts. */ + off -= back; + len += back; + gui.col -= back; + } + else + { + off += idx; + len -= idx; + } + back = 0; + } + } + + /* Put the cursor back where it was */ + gui.row = old_row; + gui.col = old_col; + gui.highlight_mask = (int)old_hl_mask; + + return retval; +} + + static void +gui_delete_lines(int row, int count) +{ + if (count <= 0) + return; + + if (row + count > gui.scroll_region_bot) + /* Scrolled out of region, just blank the lines out */ + gui_clear_block(row, gui.scroll_region_left, + gui.scroll_region_bot, gui.scroll_region_right); + else + { + gui_mch_delete_lines(row, count); + + /* If the cursor was in the deleted lines it's now gone. If the + * cursor was in the scrolled lines adjust its position. */ + if (gui.cursor_row >= row + && gui.cursor_col >= gui.scroll_region_left + && gui.cursor_col <= gui.scroll_region_right) + { + if (gui.cursor_row < row + count) + gui.cursor_is_valid = FALSE; + else if (gui.cursor_row <= gui.scroll_region_bot) + gui.cursor_row -= count; + } + } +} + + static void +gui_insert_lines(int row, int count) +{ + if (count <= 0) + return; + + if (row + count > gui.scroll_region_bot) + /* Scrolled out of region, just blank the lines out */ + gui_clear_block(row, gui.scroll_region_left, + gui.scroll_region_bot, gui.scroll_region_right); + else + { + gui_mch_insert_lines(row, count); + + if (gui.cursor_row >= gui.row + && gui.cursor_col >= gui.scroll_region_left + && gui.cursor_col <= gui.scroll_region_right) + { + if (gui.cursor_row <= gui.scroll_region_bot - count) + gui.cursor_row += count; + else if (gui.cursor_row <= gui.scroll_region_bot) + gui.cursor_is_valid = FALSE; + } + } +} + +#ifdef FEAT_TIMERS +/* + * Passed to ui_wait_for_chars_or_timer(), ignoring extra arguments. + */ + static int +gui_wait_for_chars_3( + long wtime, + int *interrupted UNUSED, + int ignore_input UNUSED) +{ + return gui_mch_wait_for_chars(wtime); +} +#endif + +/* + * Returns OK if a character was found to be available within the given time, + * or FAIL otherwise. + */ + static int +gui_wait_for_chars_or_timer( + long wtime, + int *interrupted UNUSED, + int ignore_input UNUSED) +{ +#ifdef FEAT_TIMERS + return ui_wait_for_chars_or_timer(wtime, gui_wait_for_chars_3, + interrupted, ignore_input); +#else + return gui_mch_wait_for_chars(wtime); +#endif +} + +/* + * The main GUI input routine. Waits for a character from the keyboard. + * "wtime" == -1 Wait forever. + * "wtime" == 0 Don't wait. + * "wtime" > 0 Wait wtime milliseconds for a character. + * + * Returns the number of characters read or zero when timed out or interrupted. + * "buf" may be NULL, in which case a non-zero number is returned if characters + * are available. + */ + static int +gui_wait_for_chars_buf( + char_u *buf, + int maxlen, + long wtime, // don't use "time", MIPS cannot handle it + int tb_change_cnt) +{ + int retval; + +#ifdef FEAT_MENU + // If we're going to wait a bit, update the menus and mouse shape for the + // current State. + if (wtime != 0) + gui_update_menus(0); +#endif + + gui_mch_update(); + if (input_available()) // Got char, return immediately + { + if (buf != NULL && !typebuf_changed(tb_change_cnt)) + return read_from_input_buf(buf, (long)maxlen); + return 0; + } + if (wtime == 0) // Don't wait for char + return FAIL; + + // Before waiting, flush any output to the screen. + gui_mch_flush(); + + // Blink while waiting for a character. + gui_mch_start_blink(); + + // Common function to loop until "wtime" is met, while handling timers and + // other callbacks. + retval = inchar_loop(buf, maxlen, wtime, tb_change_cnt, + gui_wait_for_chars_or_timer, NULL); + + gui_mch_stop_blink(TRUE); + + return retval; +} + +/* + * Wait for a character from the keyboard without actually reading it. + * Also deals with timers. + * wtime == -1 Wait forever. + * wtime == 0 Don't wait. + * wtime > 0 Wait wtime milliseconds for a character. + * Returns OK if a character was found to be available within the given time, + * or FAIL otherwise. + */ + int +gui_wait_for_chars(long wtime, int tb_change_cnt) +{ + return gui_wait_for_chars_buf(NULL, 0, wtime, tb_change_cnt); +} + +/* + * Equivalent of mch_inchar() for the GUI. + */ + int +gui_inchar( + char_u *buf, + int maxlen, + long wtime, /* milli seconds */ + int tb_change_cnt) +{ + return gui_wait_for_chars_buf(buf, maxlen, wtime, tb_change_cnt); +} + +/* + * Fill p[4] with mouse coordinates encoded for check_termcode(). + */ + static void +fill_mouse_coord(char_u *p, int col, int row) +{ + p[0] = (char_u)(col / 128 + ' ' + 1); + p[1] = (char_u)(col % 128 + ' ' + 1); + p[2] = (char_u)(row / 128 + ' ' + 1); + p[3] = (char_u)(row % 128 + ' ' + 1); +} + +/* + * Generic mouse support function. Add a mouse event to the input buffer with + * the given properties. + * button --- may be any of MOUSE_LEFT, MOUSE_MIDDLE, MOUSE_RIGHT, + * MOUSE_X1, MOUSE_X2 + * MOUSE_DRAG, or MOUSE_RELEASE. + * MOUSE_4 and MOUSE_5 are used for vertical scroll wheel, + * MOUSE_6 and MOUSE_7 for horizontal scroll wheel. + * x, y --- Coordinates of mouse in pixels. + * repeated_click --- TRUE if this click comes only a short time after a + * previous click. + * modifiers --- Bit field which may be any of the following modifiers + * or'ed together: MOUSE_SHIFT | MOUSE_CTRL | MOUSE_ALT. + * This function will ignore drag events where the mouse has not moved to a new + * character. + */ + void +gui_send_mouse_event( + int button, + int x, + int y, + int repeated_click, + int_u modifiers) +{ + static int prev_row = 0, prev_col = 0; + static int prev_button = -1; + static int num_clicks = 1; + char_u string[10]; + enum key_extra button_char; + int row, col; +#ifdef FEAT_CLIPBOARD + int checkfor; + int did_clip = FALSE; +#endif + + /* + * Scrolling may happen at any time, also while a selection is present. + */ + switch (button) + { + case MOUSE_X1: + button_char = KE_X1MOUSE; + goto button_set; + case MOUSE_X2: + button_char = KE_X2MOUSE; + goto button_set; + case MOUSE_4: + button_char = KE_MOUSEDOWN; + goto button_set; + case MOUSE_5: + button_char = KE_MOUSEUP; + goto button_set; + case MOUSE_6: + button_char = KE_MOUSELEFT; + goto button_set; + case MOUSE_7: + button_char = KE_MOUSERIGHT; +button_set: + { + /* Don't put events in the input queue now. */ + if (hold_gui_events) + return; + + string[3] = CSI; + string[4] = KS_EXTRA; + string[5] = (int)button_char; + + /* Pass the pointer coordinates of the scroll event so that we + * know which window to scroll. */ + row = gui_xy2colrow(x, y, &col); + string[6] = (char_u)(col / 128 + ' ' + 1); + string[7] = (char_u)(col % 128 + ' ' + 1); + string[8] = (char_u)(row / 128 + ' ' + 1); + string[9] = (char_u)(row % 128 + ' ' + 1); + + if (modifiers == 0) + add_to_input_buf(string + 3, 7); + else + { + string[0] = CSI; + string[1] = KS_MODIFIER; + string[2] = 0; + if (modifiers & MOUSE_SHIFT) + string[2] |= MOD_MASK_SHIFT; + if (modifiers & MOUSE_CTRL) + string[2] |= MOD_MASK_CTRL; + if (modifiers & MOUSE_ALT) + string[2] |= MOD_MASK_ALT; + add_to_input_buf(string, 10); + } + return; + } + } + +#ifdef FEAT_CLIPBOARD + /* If a clipboard selection is in progress, handle it */ + if (clip_star.state == SELECT_IN_PROGRESS) + { + clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), repeated_click); + return; + } + + /* Determine which mouse settings to look for based on the current mode */ + switch (get_real_state()) + { + case NORMAL_BUSY: + case OP_PENDING: +# ifdef FEAT_TERMINAL + case TERMINAL: +# endif + case NORMAL: checkfor = MOUSE_NORMAL; break; + case VISUAL: checkfor = MOUSE_VISUAL; break; + case SELECTMODE: checkfor = MOUSE_VISUAL; break; + case REPLACE: + case REPLACE+LANGMAP: + case VREPLACE: + case VREPLACE+LANGMAP: + case INSERT: + case INSERT+LANGMAP: checkfor = MOUSE_INSERT; break; + case ASKMORE: + case HITRETURN: /* At the more- and hit-enter prompt pass the + mouse event for a click on or below the + message line. */ + if (Y_2_ROW(y) >= msg_row) + checkfor = MOUSE_NORMAL; + else + checkfor = MOUSE_RETURN; + break; + + /* + * On the command line, use the clipboard selection on all lines + * but the command line. But not when pasting. + */ + case CMDLINE: + case CMDLINE+LANGMAP: + if (Y_2_ROW(y) < cmdline_row && button != MOUSE_MIDDLE) + checkfor = MOUSE_NONE; + else + checkfor = MOUSE_COMMAND; + break; + + default: + checkfor = MOUSE_NONE; + break; + }; + + /* + * Allow clipboard selection of text on the command line in "normal" + * modes. Don't do this when dragging the status line, or extending a + * Visual selection. + */ + if ((State == NORMAL || State == NORMAL_BUSY || (State & INSERT)) + && Y_2_ROW(y) >= topframe->fr_height + firstwin->w_winrow + && button != MOUSE_DRAG +# ifdef FEAT_MOUSESHAPE + && !drag_status_line + && !drag_sep_line +# endif + ) + checkfor = MOUSE_NONE; + + /* + * Use modeless selection when holding CTRL and SHIFT pressed. + */ + if ((modifiers & MOUSE_CTRL) && (modifiers & MOUSE_SHIFT)) + checkfor = MOUSE_NONEF; + + /* + * In Ex mode, always use modeless selection. + */ + if (exmode_active) + checkfor = MOUSE_NONE; + + /* + * If the mouse settings say to not use the mouse, use the modeless + * selection. But if Visual is active, assume that only the Visual area + * will be selected. + * Exception: On the command line, both the selection is used and a mouse + * key is send. + */ + if (!mouse_has(checkfor) || checkfor == MOUSE_COMMAND) + { + /* Don't do modeless selection in Visual mode. */ + if (checkfor != MOUSE_NONEF && VIsual_active && (State & NORMAL)) + return; + + /* + * When 'mousemodel' is "popup", shift-left is translated to right. + * But not when also using Ctrl. + */ + if (mouse_model_popup() && button == MOUSE_LEFT + && (modifiers & MOUSE_SHIFT) && !(modifiers & MOUSE_CTRL)) + { + button = MOUSE_RIGHT; + modifiers &= ~ MOUSE_SHIFT; + } + + /* If the selection is done, allow the right button to extend it. + * If the selection is cleared, allow the right button to start it + * from the cursor position. */ + if (button == MOUSE_RIGHT) + { + if (clip_star.state == SELECT_CLEARED) + { + if (State & CMDLINE) + { + col = msg_col; + row = msg_row; + } + else + { + col = curwin->w_wcol; + row = curwin->w_wrow + W_WINROW(curwin); + } + clip_start_selection(col, row, FALSE); + } + clip_process_selection(button, X_2_COL(x), Y_2_ROW(y), + repeated_click); + did_clip = TRUE; + } + /* Allow the left button to start the selection */ + else if (button == MOUSE_LEFT) + { + clip_start_selection(X_2_COL(x), Y_2_ROW(y), repeated_click); + did_clip = TRUE; + } + + /* Always allow pasting */ + if (button != MOUSE_MIDDLE) + { + if (!mouse_has(checkfor) || button == MOUSE_RELEASE) + return; + if (checkfor != MOUSE_COMMAND) + button = MOUSE_LEFT; + } + repeated_click = FALSE; + } + + if (clip_star.state != SELECT_CLEARED && !did_clip) + clip_clear_selection(&clip_star); +#endif + + /* Don't put events in the input queue now. */ + if (hold_gui_events) + return; + + row = gui_xy2colrow(x, y, &col); + + /* + * If we are dragging and the mouse hasn't moved far enough to be on a + * different character, then don't send an event to vim. + */ + if (button == MOUSE_DRAG) + { + if (row == prev_row && col == prev_col) + return; + /* Dragging above the window, set "row" to -1 to cause a scroll. */ + if (y < 0) + row = -1; + } + + /* + * If topline has changed (window scrolled) since the last click, reset + * repeated_click, because we don't want starting Visual mode when + * clicking on a different character in the text. + */ + if (curwin->w_topline != gui_prev_topline +#ifdef FEAT_DIFF + || curwin->w_topfill != gui_prev_topfill +#endif + ) + repeated_click = FALSE; + + string[0] = CSI; /* this sequence is recognized by check_termcode() */ + string[1] = KS_MOUSE; + string[2] = KE_FILLER; + if (button != MOUSE_DRAG && button != MOUSE_RELEASE) + { + if (repeated_click) + { + /* + * Handle multiple clicks. They only count if the mouse is still + * pointing at the same character. + */ + if (button != prev_button || row != prev_row || col != prev_col) + num_clicks = 1; + else if (++num_clicks > 4) + num_clicks = 1; + } + else + num_clicks = 1; + prev_button = button; + gui_prev_topline = curwin->w_topline; +#ifdef FEAT_DIFF + gui_prev_topfill = curwin->w_topfill; +#endif + + string[3] = (char_u)(button | 0x20); + SET_NUM_MOUSE_CLICKS(string[3], num_clicks); + } + else + string[3] = (char_u)button; + + string[3] |= modifiers; + fill_mouse_coord(string + 4, col, row); + add_to_input_buf(string, 8); + + if (row < 0) + prev_row = 0; + else + prev_row = row; + prev_col = col; + + /* + * We need to make sure this is cleared since Athena doesn't tell us when + * he is done dragging. Neither does GTK+ 2 -- at least for now. + */ +#if defined(FEAT_GUI_ATHENA) || defined(FEAT_GUI_GTK) + gui.dragged_sb = SBAR_NONE; +#endif +} + +/* + * Convert x and y coordinate to column and row in text window. + * Corrects for multi-byte character. + * returns column in "*colp" and row as return value; + */ + int +gui_xy2colrow(int x, int y, int *colp) +{ + int col = check_col(X_2_COL(x)); + int row = check_row(Y_2_ROW(y)); + + *colp = mb_fix_col(col, row); + return row; +} + +#if defined(FEAT_MENU) || defined(PROTO) +/* + * Callback function for when a menu entry has been selected. + */ + void +gui_menu_cb(vimmenu_T *menu) +{ + char_u bytes[sizeof(long_u)]; + + /* Don't put events in the input queue now. */ + if (hold_gui_events) + return; + + bytes[0] = CSI; + bytes[1] = KS_MENU; + bytes[2] = KE_FILLER; + add_to_input_buf(bytes, 3); + add_long_to_buf((long_u)menu, bytes); + add_to_input_buf_csi(bytes, sizeof(long_u)); +} +#endif + +static int prev_which_scrollbars[3]; + +/* + * Set which components are present. + * If "oldval" is not NULL, "oldval" is the previous value, the new value is + * in p_go. + */ + void +gui_init_which_components(char_u *oldval UNUSED) +{ +#ifdef FEAT_MENU + static int prev_menu_is_active = -1; +#endif +#ifdef FEAT_TOOLBAR + static int prev_toolbar = -1; + int using_toolbar = FALSE; +#endif +#ifdef FEAT_GUI_TABLINE + int using_tabline; +#endif +#ifdef FEAT_FOOTER + static int prev_footer = -1; + int using_footer = FALSE; +#endif +#if defined(FEAT_MENU) + static int prev_tearoff = -1; + int using_tearoff = FALSE; +#endif + + char_u *p; + int i; +#ifdef FEAT_MENU + int grey_old, grey_new; + char_u *temp; +#endif + win_T *wp; + int need_set_size; + int fix_size; + +#ifdef FEAT_MENU + if (oldval != NULL && gui.in_use) + { + /* + * Check if the menu's go from grey to non-grey or vise versa. + */ + grey_old = (vim_strchr(oldval, GO_GREY) != NULL); + grey_new = (vim_strchr(p_go, GO_GREY) != NULL); + if (grey_old != grey_new) + { + temp = p_go; + p_go = oldval; + gui_update_menus(MENU_ALL_MODES); + p_go = temp; + } + } + gui.menu_is_active = FALSE; +#endif + + for (i = 0; i < 3; i++) + gui.which_scrollbars[i] = FALSE; + for (p = p_go; *p; p++) + switch (*p) + { + case GO_LEFT: + gui.which_scrollbars[SBAR_LEFT] = TRUE; + break; + case GO_RIGHT: + gui.which_scrollbars[SBAR_RIGHT] = TRUE; + break; + case GO_VLEFT: + if (win_hasvertsplit()) + gui.which_scrollbars[SBAR_LEFT] = TRUE; + break; + case GO_VRIGHT: + if (win_hasvertsplit()) + gui.which_scrollbars[SBAR_RIGHT] = TRUE; + break; + case GO_BOT: + gui.which_scrollbars[SBAR_BOTTOM] = TRUE; + break; +#ifdef FEAT_MENU + case GO_MENUS: + gui.menu_is_active = TRUE; + break; +#endif + case GO_GREY: + /* make menu's have grey items, ignored here */ + break; +#ifdef FEAT_TOOLBAR + case GO_TOOLBAR: + using_toolbar = TRUE; + break; +#endif +#ifdef FEAT_FOOTER + case GO_FOOTER: + using_footer = TRUE; + break; +#endif + case GO_TEAROFF: +#if defined(FEAT_MENU) + using_tearoff = TRUE; +#endif + break; + default: + /* Ignore options that are not supported */ + break; + } + + if (gui.in_use) + { + need_set_size = 0; + fix_size = FALSE; + +#ifdef FEAT_GUI_TABLINE + /* Update the GUI tab line, it may appear or disappear. This may + * cause the non-GUI tab line to disappear or appear. */ + using_tabline = gui_has_tabline(); + if (!gui_mch_showing_tabline() != !using_tabline) + { + /* We don't want a resize event change "Rows" here, save and + * restore it. Resizing is handled below. */ + i = Rows; + gui_update_tabline(); + Rows = i; + need_set_size |= RESIZE_VERT; + if (using_tabline) + fix_size = TRUE; + if (!gui_use_tabline()) + redraw_tabline = TRUE; /* may draw non-GUI tab line */ + } +#endif + + for (i = 0; i < 3; i++) + { + /* The scrollbar needs to be updated when it is shown/unshown and + * when switching tab pages. But the size only changes when it's + * shown/unshown. Thus we need two places to remember whether a + * scrollbar is there or not. */ + if (gui.which_scrollbars[i] != prev_which_scrollbars[i] + || gui.which_scrollbars[i] + != curtab->tp_prev_which_scrollbars[i]) + { + if (i == SBAR_BOTTOM) + gui_mch_enable_scrollbar(&gui.bottom_sbar, + gui.which_scrollbars[i]); + else + { + FOR_ALL_WINDOWS(wp) + { + gui_do_scrollbar(wp, i, gui.which_scrollbars[i]); + } + } + if (gui.which_scrollbars[i] != prev_which_scrollbars[i]) + { + if (i == SBAR_BOTTOM) + need_set_size |= RESIZE_VERT; + else + need_set_size |= RESIZE_HOR; + if (gui.which_scrollbars[i]) + fix_size = TRUE; + } + } + curtab->tp_prev_which_scrollbars[i] = gui.which_scrollbars[i]; + prev_which_scrollbars[i] = gui.which_scrollbars[i]; + } + +#ifdef FEAT_MENU + if (gui.menu_is_active != prev_menu_is_active) + { + /* We don't want a resize event change "Rows" here, save and + * restore it. Resizing is handled below. */ + i = Rows; + gui_mch_enable_menu(gui.menu_is_active); + Rows = i; + prev_menu_is_active = gui.menu_is_active; + need_set_size |= RESIZE_VERT; + if (gui.menu_is_active) + fix_size = TRUE; + } +#endif + +#ifdef FEAT_TOOLBAR + if (using_toolbar != prev_toolbar) + { + gui_mch_show_toolbar(using_toolbar); + prev_toolbar = using_toolbar; + need_set_size |= RESIZE_VERT; + if (using_toolbar) + fix_size = TRUE; + } +#endif +#ifdef FEAT_FOOTER + if (using_footer != prev_footer) + { + gui_mch_enable_footer(using_footer); + prev_footer = using_footer; + need_set_size |= RESIZE_VERT; + if (using_footer) + fix_size = TRUE; + } +#endif +#if defined(FEAT_MENU) && !(defined(WIN3264) && !defined(FEAT_TEAROFF)) + if (using_tearoff != prev_tearoff) + { + gui_mch_toggle_tearoffs(using_tearoff); + prev_tearoff = using_tearoff; + } +#endif + if (need_set_size != 0) + { +#ifdef FEAT_GUI_GTK + long prev_Columns = Columns; + long prev_Rows = Rows; +#endif + /* Adjust the size of the window to make the text area keep the + * same size and to avoid that part of our window is off-screen + * and a scrollbar can't be used, for example. */ + gui_set_shellsize(FALSE, fix_size, need_set_size); + +#ifdef FEAT_GUI_GTK + /* GTK has the annoying habit of sending us resize events when + * changing the window size ourselves. This mostly happens when + * waiting for a character to arrive, quite unpredictably, and may + * change Columns and Rows when we don't want it. Wait for a + * character here to avoid this effect. + * If you remove this, please test this command for resizing + * effects (with optional left scrollbar): ":vsp|q|vsp|q|vsp|q". + * Don't do this while starting up though. + * Don't change Rows when adding menu/toolbar/tabline. + * Don't change Columns when adding vertical toolbar. */ + if (!gui.starting && need_set_size != (RESIZE_VERT | RESIZE_HOR)) + (void)char_avail(); + if ((need_set_size & RESIZE_VERT) == 0) + Rows = prev_Rows; + if ((need_set_size & RESIZE_HOR) == 0) + Columns = prev_Columns; +#endif + } + /* When the console tabline appears or disappears the window positions + * change. */ + if (firstwin->w_winrow != tabline_height()) + shell_new_rows(); /* recompute window positions and heights */ + } +} + +#if defined(FEAT_GUI_TABLINE) || defined(PROTO) +/* + * Return TRUE if the GUI is taking care of the tabline. + * It may still be hidden if 'showtabline' is zero. + */ + int +gui_use_tabline(void) +{ + return gui.in_use && vim_strchr(p_go, GO_TABLINE) != NULL; +} + +/* + * Return TRUE if the GUI is showing the tabline. + * This uses 'showtabline'. + */ + static int +gui_has_tabline(void) +{ + if (!gui_use_tabline() + || p_stal == 0 + || (p_stal == 1 && first_tabpage->tp_next == NULL)) + return FALSE; + return TRUE; +} + +/* + * Update the tabline. + * This may display/undisplay the tabline and update the labels. + */ + void +gui_update_tabline(void) +{ + int showit = gui_has_tabline(); + int shown = gui_mch_showing_tabline(); + + if (!gui.starting && starting == 0) + { + /* Updating the tabline uses direct GUI commands, flush + * outstanding instructions first. (esp. clear screen) */ + out_flush(); + + if (!showit != !shown) + gui_mch_show_tabline(showit); + if (showit != 0) + gui_mch_update_tabline(); + + /* When the tabs change from hidden to shown or from shown to + * hidden the size of the text area should remain the same. */ + if (!showit != !shown) + gui_set_shellsize(FALSE, showit, RESIZE_VERT); + } +} + +/* + * Get the label or tooltip for tab page "tp" into NameBuff[]. + */ + void +get_tabline_label( + tabpage_T *tp, + int tooltip) /* TRUE: get tooltip */ +{ + int modified = FALSE; + char_u buf[40]; + int wincount; + win_T *wp; + char_u **opt; + + /* Use 'guitablabel' or 'guitabtooltip' if it's set. */ + opt = (tooltip ? &p_gtt : &p_gtl); + if (**opt != NUL) + { + int use_sandbox = FALSE; + int save_called_emsg = called_emsg; + char_u res[MAXPATHL]; + tabpage_T *save_curtab; + char_u *opt_name = (char_u *)(tooltip ? "guitabtooltip" + : "guitablabel"); + + called_emsg = FALSE; + + printer_page_num = tabpage_index(tp); +# ifdef FEAT_EVAL + set_vim_var_nr(VV_LNUM, printer_page_num); + use_sandbox = was_set_insecurely(opt_name, 0); +# endif + /* It's almost as going to the tabpage, but without autocommands. */ + curtab->tp_firstwin = firstwin; + curtab->tp_lastwin = lastwin; + curtab->tp_curwin = curwin; + save_curtab = curtab; + curtab = tp; + topframe = curtab->tp_topframe; + firstwin = curtab->tp_firstwin; + lastwin = curtab->tp_lastwin; + curwin = curtab->tp_curwin; + curbuf = curwin->w_buffer; + + /* Can't use NameBuff directly, build_stl_str_hl() uses it. */ + build_stl_str_hl(curwin, res, MAXPATHL, *opt, use_sandbox, + 0, (int)Columns, NULL, NULL); + STRCPY(NameBuff, res); + + /* Back to the original curtab. */ + curtab = save_curtab; + topframe = curtab->tp_topframe; + firstwin = curtab->tp_firstwin; + lastwin = curtab->tp_lastwin; + curwin = curtab->tp_curwin; + curbuf = curwin->w_buffer; + + if (called_emsg) + set_string_option_direct(opt_name, -1, + (char_u *)"", OPT_FREE, SID_ERROR); + called_emsg |= save_called_emsg; + } + + /* If 'guitablabel'/'guitabtooltip' is not set or the result is empty then + * use a default label. */ + if (**opt == NUL || *NameBuff == NUL) + { + /* Get the buffer name into NameBuff[] and shorten it. */ + get_trans_bufname(tp == curtab ? curbuf : tp->tp_curwin->w_buffer); + if (!tooltip) + shorten_dir(NameBuff); + + wp = (tp == curtab) ? firstwin : tp->tp_firstwin; + for (wincount = 0; wp != NULL; wp = wp->w_next, ++wincount) + if (bufIsChanged(wp->w_buffer)) + modified = TRUE; + if (modified || wincount > 1) + { + if (wincount > 1) + vim_snprintf((char *)buf, sizeof(buf), "%d", wincount); + else + buf[0] = NUL; + if (modified) + STRCAT(buf, "+"); + STRCAT(buf, " "); + STRMOVE(NameBuff + STRLEN(buf), NameBuff); + mch_memmove(NameBuff, buf, STRLEN(buf)); + } + } +} + +/* + * Send the event for clicking to select tab page "nr". + * Returns TRUE if it was done, FALSE when skipped because we are already at + * that tab page or the cmdline window is open. + */ + int +send_tabline_event(int nr) +{ + char_u string[3]; + + if (nr == tabpage_index(curtab)) + return FALSE; + + /* Don't put events in the input queue now. */ + if (hold_gui_events +# ifdef FEAT_CMDWIN + || cmdwin_type != 0 +# endif + ) + { + /* Set it back to the current tab page. */ + gui_mch_set_curtab(tabpage_index(curtab)); + return FALSE; + } + + string[0] = CSI; + string[1] = KS_TABLINE; + string[2] = KE_FILLER; + add_to_input_buf(string, 3); + string[0] = nr; + add_to_input_buf_csi(string, 1); + return TRUE; +} + +/* + * Send a tabline menu event + */ + void +send_tabline_menu_event(int tabidx, int event) +{ + char_u string[3]; + + // Don't put events in the input queue now. + if (hold_gui_events) + return; + + // Cannot close the last tabpage. + if (event == TABLINE_MENU_CLOSE && first_tabpage->tp_next == NULL) + return; + + string[0] = CSI; + string[1] = KS_TABMENU; + string[2] = KE_FILLER; + add_to_input_buf(string, 3); + string[0] = tabidx; + string[1] = (char_u)(long)event; + add_to_input_buf_csi(string, 2); +} + +#endif + +/* + * Scrollbar stuff: + */ + +/* + * Remove all scrollbars. Used before switching to another tab page. + */ + void +gui_remove_scrollbars(void) +{ + int i; + win_T *wp; + + for (i = 0; i < 3; i++) + { + if (i == SBAR_BOTTOM) + gui_mch_enable_scrollbar(&gui.bottom_sbar, FALSE); + else + { + FOR_ALL_WINDOWS(wp) + { + gui_do_scrollbar(wp, i, FALSE); + } + } + curtab->tp_prev_which_scrollbars[i] = -1; + } +} + + void +gui_create_scrollbar(scrollbar_T *sb, int type, win_T *wp) +{ + static int sbar_ident = 0; + + sb->ident = sbar_ident++; /* No check for too big, but would it happen? */ + sb->wp = wp; + sb->type = type; + sb->value = 0; +#ifdef FEAT_GUI_ATHENA + sb->pixval = 0; +#endif + sb->size = 1; + sb->max = 1; + sb->top = 0; + sb->height = 0; + sb->width = 0; + sb->status_height = 0; + gui_mch_create_scrollbar(sb, (wp == NULL) ? SBAR_HORIZ : SBAR_VERT); +} + +/* + * Find the scrollbar with the given index. + */ + scrollbar_T * +gui_find_scrollbar(long ident) +{ + win_T *wp; + + if (gui.bottom_sbar.ident == ident) + return &gui.bottom_sbar; + FOR_ALL_WINDOWS(wp) + { + if (wp->w_scrollbars[SBAR_LEFT].ident == ident) + return &wp->w_scrollbars[SBAR_LEFT]; + if (wp->w_scrollbars[SBAR_RIGHT].ident == ident) + return &wp->w_scrollbars[SBAR_RIGHT]; + } + return NULL; +} + +/* + * For most systems: Put a code in the input buffer for a dragged scrollbar. + * + * For Win32, Macintosh and GTK+ 2: + * Scrollbars seem to grab focus and vim doesn't read the input queue until + * you stop dragging the scrollbar. We get here each time the scrollbar is + * dragged another pixel, but as far as the rest of vim goes, it thinks + * we're just hanging in the call to DispatchMessage() in + * process_message(). The DispatchMessage() call that hangs was passed a + * mouse button click event in the scrollbar window. -- webb. + * + * Solution: Do the scrolling right here. But only when allowed. + * Ignore the scrollbars while executing an external command or when there + * are still characters to be processed. + */ + void +gui_drag_scrollbar(scrollbar_T *sb, long value, int still_dragging) +{ + win_T *wp; + int sb_num; +#ifdef USE_ON_FLY_SCROLL + colnr_T old_leftcol = curwin->w_leftcol; + linenr_T old_topline = curwin->w_topline; +# ifdef FEAT_DIFF + int old_topfill = curwin->w_topfill; +# endif +#else + char_u bytes[sizeof(long_u)]; + int byte_count; +#endif + + if (sb == NULL) + return; + + /* Don't put events in the input queue now. */ + if (hold_gui_events) + return; + +#ifdef FEAT_CMDWIN + if (cmdwin_type != 0 && sb->wp != curwin) + return; +#endif + + if (still_dragging) + { + if (sb->wp == NULL) + gui.dragged_sb = SBAR_BOTTOM; + else if (sb == &sb->wp->w_scrollbars[SBAR_LEFT]) + gui.dragged_sb = SBAR_LEFT; + else + gui.dragged_sb = SBAR_RIGHT; + gui.dragged_wp = sb->wp; + } + else + { + gui.dragged_sb = SBAR_NONE; +#ifdef FEAT_GUI_GTK + /* Keep the "dragged_wp" value until after the scrolling, for when the + * mouse button is released. GTK2 doesn't send the button-up event. */ + gui.dragged_wp = NULL; +#endif + } + + /* Vertical sbar info is kept in the first sbar (the left one) */ + if (sb->wp != NULL) + sb = &sb->wp->w_scrollbars[0]; + + /* + * Check validity of value + */ + if (value < 0) + value = 0; +#ifdef SCROLL_PAST_END + else if (value > sb->max) + value = sb->max; +#else + if (value > sb->max - sb->size + 1) + value = sb->max - sb->size + 1; +#endif + + sb->value = value; + +#ifdef USE_ON_FLY_SCROLL + /* When not allowed to do the scrolling right now, return. + * This also checked input_available(), but that causes the first click in + * a scrollbar to be ignored when Vim doesn't have focus. */ + if (dont_scroll) + return; +#endif +#ifdef FEAT_INS_EXPAND + /* Disallow scrolling the current window when the completion popup menu is + * visible. */ + if ((sb->wp == NULL || sb->wp == curwin) && pum_visible()) + return; +#endif + +#ifdef FEAT_RIGHTLEFT + if (sb->wp == NULL && curwin->w_p_rl) + { + value = sb->max + 1 - sb->size - value; + if (value < 0) + value = 0; + } +#endif + + if (sb->wp != NULL) /* vertical scrollbar */ + { + sb_num = 0; + for (wp = firstwin; wp != sb->wp && wp != NULL; wp = wp->w_next) + sb_num++; + if (wp == NULL) + return; + +#ifdef USE_ON_FLY_SCROLL + current_scrollbar = sb_num; + scrollbar_value = value; + if (State & NORMAL) + { + gui_do_scroll(); + setcursor(); + } + else if (State & INSERT) + { + ins_scroll(); + setcursor(); + } + else if (State & CMDLINE) + { + if (msg_scrolled == 0) + { + gui_do_scroll(); + redrawcmdline(); + } + } +# ifdef FEAT_FOLDING + /* Value may have been changed for closed fold. */ + sb->value = sb->wp->w_topline - 1; +# endif + + /* When dragging one scrollbar and there is another one at the other + * side move the thumb of that one too. */ + if (gui.which_scrollbars[SBAR_RIGHT] && gui.which_scrollbars[SBAR_LEFT]) + gui_mch_set_scrollbar_thumb( + &sb->wp->w_scrollbars[ + sb == &sb->wp->w_scrollbars[SBAR_RIGHT] + ? SBAR_LEFT : SBAR_RIGHT], + sb->value, sb->size, sb->max); + +#else + bytes[0] = CSI; + bytes[1] = KS_VER_SCROLLBAR; + bytes[2] = KE_FILLER; + bytes[3] = (char_u)sb_num; + byte_count = 4; +#endif + } + else + { +#ifdef USE_ON_FLY_SCROLL + scrollbar_value = value; + + if (State & NORMAL) + gui_do_horiz_scroll(scrollbar_value, FALSE); + else if (State & INSERT) + ins_horscroll(); + else if (State & CMDLINE) + { + if (msg_scrolled == 0) + { + gui_do_horiz_scroll(scrollbar_value, FALSE); + redrawcmdline(); + } + } + if (old_leftcol != curwin->w_leftcol) + { + updateWindow(curwin); /* update window, status and cmdline */ + setcursor(); + } +#else + bytes[0] = CSI; + bytes[1] = KS_HOR_SCROLLBAR; + bytes[2] = KE_FILLER; + byte_count = 3; +#endif + } + +#ifdef USE_ON_FLY_SCROLL + /* + * synchronize other windows, as necessary according to 'scrollbind' + */ + if (curwin->w_p_scb + && ((sb->wp == NULL && curwin->w_leftcol != old_leftcol) + || (sb->wp == curwin && (curwin->w_topline != old_topline +# ifdef FEAT_DIFF + || curwin->w_topfill != old_topfill +# endif + )))) + { + do_check_scrollbind(TRUE); + /* need to update the window right here */ + FOR_ALL_WINDOWS(wp) + if (wp->w_redr_type > 0) + updateWindow(wp); + setcursor(); + } + out_flush_cursor(FALSE, TRUE); +#else + add_to_input_buf(bytes, byte_count); + add_long_to_buf((long_u)value, bytes); + add_to_input_buf_csi(bytes, sizeof(long_u)); +#endif +} + +/* + * Scrollbar stuff: + */ + +/* + * Called when something in the window layout has changed. + */ + void +gui_may_update_scrollbars(void) +{ + if (gui.in_use && starting == 0) + { + out_flush(); + gui_init_which_components(NULL); + gui_update_scrollbars(TRUE); + } + need_mouse_correct = TRUE; +} + + void +gui_update_scrollbars( + int force) /* Force all scrollbars to get updated */ +{ + win_T *wp; + scrollbar_T *sb; + long val, size, max; /* need 32 bits here */ + int which_sb; + int h, y; + static win_T *prev_curwin = NULL; + + /* Update the horizontal scrollbar */ + gui_update_horiz_scrollbar(force); + +#ifndef WIN3264 + /* Return straight away if there is neither a left nor right scrollbar. + * On MS-Windows this is required anyway for scrollwheel messages. */ + if (!gui.which_scrollbars[SBAR_LEFT] && !gui.which_scrollbars[SBAR_RIGHT]) + return; +#endif + + /* + * Don't want to update a scrollbar while we're dragging it. But if we + * have both a left and right scrollbar, and we drag one of them, we still + * need to update the other one. + */ + if (!force && (gui.dragged_sb == SBAR_LEFT || gui.dragged_sb == SBAR_RIGHT) + && gui.which_scrollbars[SBAR_LEFT] + && gui.which_scrollbars[SBAR_RIGHT]) + { + /* + * If we have two scrollbars and one of them is being dragged, just + * copy the scrollbar position from the dragged one to the other one. + */ + which_sb = SBAR_LEFT + SBAR_RIGHT - gui.dragged_sb; + if (gui.dragged_wp != NULL) + gui_mch_set_scrollbar_thumb( + &gui.dragged_wp->w_scrollbars[which_sb], + gui.dragged_wp->w_scrollbars[0].value, + gui.dragged_wp->w_scrollbars[0].size, + gui.dragged_wp->w_scrollbars[0].max); + } + + /* avoid that moving components around generates events */ + ++hold_gui_events; + + for (wp = firstwin; wp != NULL; wp = W_NEXT(wp)) + { + if (wp->w_buffer == NULL) /* just in case */ + continue; + /* Skip a scrollbar that is being dragged. */ + if (!force && (gui.dragged_sb == SBAR_LEFT + || gui.dragged_sb == SBAR_RIGHT) + && gui.dragged_wp == wp) + continue; + +#ifdef SCROLL_PAST_END + max = wp->w_buffer->b_ml.ml_line_count - 1; +#else + max = wp->w_buffer->b_ml.ml_line_count + wp->w_height - 2; +#endif + if (max < 0) /* empty buffer */ + max = 0; + val = wp->w_topline - 1; + size = wp->w_height; +#ifdef SCROLL_PAST_END + if (val > max) /* just in case */ + val = max; +#else + if (size > max + 1) /* just in case */ + size = max + 1; + if (val > max - size + 1) + val = max - size + 1; +#endif + if (val < 0) /* minimal value is 0 */ + val = 0; + + /* + * Scrollbar at index 0 (the left one) contains all the information. + * It would be the same info for left and right so we just store it for + * one of them. + */ + sb = &wp->w_scrollbars[0]; + + /* + * Note: no check for valid w_botline. If it's not valid the + * scrollbars will be updated later anyway. + */ + if (size < 1 || wp->w_botline - 2 > max) + { + /* + * This can happen during changing files. Just don't update the + * scrollbar for now. + */ + sb->height = 0; /* Force update next time */ + if (gui.which_scrollbars[SBAR_LEFT]) + gui_do_scrollbar(wp, SBAR_LEFT, FALSE); + if (gui.which_scrollbars[SBAR_RIGHT]) + gui_do_scrollbar(wp, SBAR_RIGHT, FALSE); + continue; + } + if (force || sb->height != wp->w_height + || sb->top != wp->w_winrow + || sb->status_height != wp->w_status_height + || sb->width != wp->w_width + || prev_curwin != curwin) + { + /* Height, width or position of scrollbar has changed. For + * vertical split: curwin changed. */ + sb->height = wp->w_height; + sb->top = wp->w_winrow; + sb->status_height = wp->w_status_height; + sb->width = wp->w_width; + + /* Calculate height and position in pixels */ + h = (sb->height + sb->status_height) * gui.char_height; + y = sb->top * gui.char_height + gui.border_offset; +#if defined(FEAT_MENU) && !defined(FEAT_GUI_GTK) && !defined(FEAT_GUI_MOTIF) && !defined(FEAT_GUI_PHOTON) + if (gui.menu_is_active) + y += gui.menu_height; +#endif + +#if defined(FEAT_TOOLBAR) && (defined(FEAT_GUI_MSWIN) || defined(FEAT_GUI_ATHENA)) + if (vim_strchr(p_go, GO_TOOLBAR) != NULL) +# ifdef FEAT_GUI_ATHENA + y += gui.toolbar_height; +# else +# ifdef FEAT_GUI_MSWIN + y += TOOLBAR_BUTTON_HEIGHT + TOOLBAR_BORDER_HEIGHT; +# endif +# endif +#endif + +#if defined(FEAT_GUI_TABLINE) && defined(FEAT_GUI_MSWIN) + if (gui_has_tabline()) + y += gui.tabline_height; +#endif + + if (wp->w_winrow == 0) + { + /* Height of top scrollbar includes width of top border */ + h += gui.border_offset; + y -= gui.border_offset; + } + if (gui.which_scrollbars[SBAR_LEFT]) + { + gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_LEFT], + gui.left_sbar_x, y, + gui.scrollbar_width, h); + gui_do_scrollbar(wp, SBAR_LEFT, TRUE); + } + if (gui.which_scrollbars[SBAR_RIGHT]) + { + gui_mch_set_scrollbar_pos(&wp->w_scrollbars[SBAR_RIGHT], + gui.right_sbar_x, y, + gui.scrollbar_width, h); + gui_do_scrollbar(wp, SBAR_RIGHT, TRUE); + } + } + + /* Reduce the number of calls to gui_mch_set_scrollbar_thumb() by + * checking if the thumb moved at least a pixel. Only do this for + * Athena, most other GUIs require the update anyway to make the + * arrows work. */ +#ifdef FEAT_GUI_ATHENA + if (max == 0) + y = 0; + else + y = (val * (sb->height + 2) * gui.char_height + max / 2) / max; + if (force || sb->pixval != y || sb->size != size || sb->max != max) +#else + if (force || sb->value != val || sb->size != size || sb->max != max) +#endif + { + /* Thumb of scrollbar has moved */ + sb->value = val; +#ifdef FEAT_GUI_ATHENA + sb->pixval = y; +#endif + sb->size = size; + sb->max = max; + if (gui.which_scrollbars[SBAR_LEFT] + && (gui.dragged_sb != SBAR_LEFT || gui.dragged_wp != wp)) + gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_LEFT], + val, size, max); + if (gui.which_scrollbars[SBAR_RIGHT] + && (gui.dragged_sb != SBAR_RIGHT || gui.dragged_wp != wp)) + gui_mch_set_scrollbar_thumb(&wp->w_scrollbars[SBAR_RIGHT], + val, size, max); + } + } + prev_curwin = curwin; + --hold_gui_events; +} + +/* + * Enable or disable a scrollbar. + * Check for scrollbars for vertically split windows which are not enabled + * sometimes. + */ + static void +gui_do_scrollbar( + win_T *wp, + int which, /* SBAR_LEFT or SBAR_RIGHT */ + int enable) /* TRUE to enable scrollbar */ +{ + int midcol = curwin->w_wincol + curwin->w_width / 2; + int has_midcol = (wp->w_wincol <= midcol + && wp->w_wincol + wp->w_width >= midcol); + + /* Only enable scrollbars that contain the middle column of the current + * window. */ + if (gui.which_scrollbars[SBAR_RIGHT] != gui.which_scrollbars[SBAR_LEFT]) + { + /* Scrollbars only on one side. Don't enable scrollbars that don't + * contain the middle column of the current window. */ + if (!has_midcol) + enable = FALSE; + } + else + { + /* Scrollbars on both sides. Don't enable scrollbars that neither + * contain the middle column of the current window nor are on the far + * side. */ + if (midcol > Columns / 2) + { + if (which == SBAR_LEFT ? wp->w_wincol != 0 : !has_midcol) + enable = FALSE; + } + else + { + if (which == SBAR_RIGHT ? wp->w_wincol + wp->w_width != Columns + : !has_midcol) + enable = FALSE; + } + } + gui_mch_enable_scrollbar(&wp->w_scrollbars[which], enable); +} + +/* + * Scroll a window according to the values set in the globals current_scrollbar + * and scrollbar_value. Return TRUE if the cursor in the current window moved + * or FALSE otherwise. + */ + int +gui_do_scroll(void) +{ + win_T *wp, *save_wp; + int i; + long nlines; + pos_T old_cursor; + linenr_T old_topline; +#ifdef FEAT_DIFF + int old_topfill; +#endif + + for (wp = firstwin, i = 0; i < current_scrollbar; wp = W_NEXT(wp), i++) + if (wp == NULL) + break; + if (wp == NULL) + /* Couldn't find window */ + return FALSE; + + /* + * Compute number of lines to scroll. If zero, nothing to do. + */ + nlines = (long)scrollbar_value + 1 - (long)wp->w_topline; + if (nlines == 0) + return FALSE; + + save_wp = curwin; + old_topline = wp->w_topline; +#ifdef FEAT_DIFF + old_topfill = wp->w_topfill; +#endif + old_cursor = wp->w_cursor; + curwin = wp; + curbuf = wp->w_buffer; + if (nlines < 0) + scrolldown(-nlines, gui.dragged_wp == NULL); + else + scrollup(nlines, gui.dragged_wp == NULL); + /* Reset dragged_wp after using it. "dragged_sb" will have been reset for + * the mouse-up event already, but we still want it to behave like when + * dragging. But not the next click in an arrow. */ + if (gui.dragged_sb == SBAR_NONE) + gui.dragged_wp = NULL; + + if (old_topline != wp->w_topline +#ifdef FEAT_DIFF + || old_topfill != wp->w_topfill +#endif + ) + { + if (get_scrolloff_value() != 0) + { + cursor_correct(); /* fix window for 'so' */ + update_topline(); /* avoid up/down jump */ + } + if (old_cursor.lnum != wp->w_cursor.lnum) + coladvance(wp->w_curswant); + wp->w_scbind_pos = wp->w_topline; + } + + /* Make sure wp->w_leftcol and wp->w_skipcol are correct. */ + validate_cursor(); + + curwin = save_wp; + curbuf = save_wp->w_buffer; + + /* + * Don't call updateWindow() when nothing has changed (it will overwrite + * the status line!). + */ + if (old_topline != wp->w_topline + || wp->w_redr_type != 0 +#ifdef FEAT_DIFF + || old_topfill != wp->w_topfill +#endif + ) + { + int type = VALID; + +#ifdef FEAT_INS_EXPAND + if (pum_visible()) + { + type = NOT_VALID; + wp->w_lines_valid = 0; + } +#endif + /* Don't set must_redraw here, it may cause the popup menu to + * disappear when losing focus after a scrollbar drag. */ + if (wp->w_redr_type < type) + wp->w_redr_type = type; + mch_disable_flush(); + updateWindow(wp); /* update window, status line, and cmdline */ + mch_enable_flush(); + } + +#ifdef FEAT_INS_EXPAND + /* May need to redraw the popup menu. */ + if (pum_visible()) + pum_redraw(); +#endif + + return (wp == curwin && !EQUAL_POS(curwin->w_cursor, old_cursor)); +} + + +/* + * Horizontal scrollbar stuff: + */ + +/* + * Return length of line "lnum" for horizontal scrolling. + */ + static colnr_T +scroll_line_len(linenr_T lnum) +{ + char_u *p; + colnr_T col; + int w; + + p = ml_get(lnum); + col = 0; + if (*p != NUL) + for (;;) + { + w = chartabsize(p, col); + MB_PTR_ADV(p); + if (*p == NUL) /* don't count the last character */ + break; + col += w; + } + return col; +} + +/* Remember which line is currently the longest, so that we don't have to + * search for it when scrolling horizontally. */ +static linenr_T longest_lnum = 0; + +/* + * Find longest visible line number. If this is not possible (or not desired, + * by setting 'h' in "guioptions") then the current line number is returned. + */ + static linenr_T +gui_find_longest_lnum(void) +{ + linenr_T ret = 0; + + /* Calculate maximum for horizontal scrollbar. Check for reasonable + * line numbers, topline and botline can be invalid when displaying is + * postponed. */ + if (vim_strchr(p_go, GO_HORSCROLL) == NULL + && curwin->w_topline <= curwin->w_cursor.lnum + && curwin->w_botline > curwin->w_cursor.lnum + && curwin->w_botline <= curbuf->b_ml.ml_line_count + 1) + { + linenr_T lnum; + colnr_T n; + long max = 0; + + /* Use maximum of all visible lines. Remember the lnum of the + * longest line, closest to the cursor line. Used when scrolling + * below. */ + for (lnum = curwin->w_topline; lnum < curwin->w_botline; ++lnum) + { + n = scroll_line_len(lnum); + if (n > (colnr_T)max) + { + max = n; + ret = lnum; + } + else if (n == (colnr_T)max + && abs((int)(lnum - curwin->w_cursor.lnum)) + < abs((int)(ret - curwin->w_cursor.lnum))) + ret = lnum; + } + } + else + /* Use cursor line only. */ + ret = curwin->w_cursor.lnum; + + return ret; +} + + static void +gui_update_horiz_scrollbar(int force) +{ + long value, size, max; /* need 32 bit ints here */ + + if (!gui.which_scrollbars[SBAR_BOTTOM]) + return; + + if (!force && gui.dragged_sb == SBAR_BOTTOM) + return; + + if (!force && curwin->w_p_wrap && gui.prev_wrap) + return; + + /* + * It is possible for the cursor to be invalid if we're in the middle of + * something (like changing files). If so, don't do anything for now. + */ + if (curwin->w_cursor.lnum > curbuf->b_ml.ml_line_count) + { + gui.bottom_sbar.value = -1; + return; + } + + size = curwin->w_width; + if (curwin->w_p_wrap) + { + value = 0; +#ifdef SCROLL_PAST_END + max = 0; +#else + max = curwin->w_width - 1; +#endif + } + else + { + value = curwin->w_leftcol; + + longest_lnum = gui_find_longest_lnum(); + max = scroll_line_len(longest_lnum); + + if (virtual_active()) + { + /* May move the cursor even further to the right. */ + if (curwin->w_virtcol >= (colnr_T)max) + max = curwin->w_virtcol; + } + +#ifndef SCROLL_PAST_END + max += curwin->w_width - 1; +#endif + /* The line number isn't scrolled, thus there is less space when + * 'number' or 'relativenumber' is set (also for 'foldcolumn'). */ + size -= curwin_col_off(); +#ifndef SCROLL_PAST_END + max -= curwin_col_off(); +#endif + } + +#ifndef SCROLL_PAST_END + if (value > max - size + 1) + value = max - size + 1; /* limit the value to allowable range */ +#endif + +#ifdef FEAT_RIGHTLEFT + if (curwin->w_p_rl) + { + value = max + 1 - size - value; + if (value < 0) + { + size += value; + value = 0; + } + } +#endif + if (!force && value == gui.bottom_sbar.value && size == gui.bottom_sbar.size + && max == gui.bottom_sbar.max) + return; + + gui.bottom_sbar.value = value; + gui.bottom_sbar.size = size; + gui.bottom_sbar.max = max; + gui.prev_wrap = curwin->w_p_wrap; + + gui_mch_set_scrollbar_thumb(&gui.bottom_sbar, value, size, max); +} + +/* + * Do a horizontal scroll. Return TRUE if the cursor moved, FALSE otherwise. + */ + int +gui_do_horiz_scroll(long_u leftcol, int compute_longest_lnum) +{ + /* no wrapping, no scrolling */ + if (curwin->w_p_wrap) + return FALSE; + + if (curwin->w_leftcol == (colnr_T)leftcol) + return FALSE; + + curwin->w_leftcol = (colnr_T)leftcol; + + /* When the line of the cursor is too short, move the cursor to the + * longest visible line. */ + if (vim_strchr(p_go, GO_HORSCROLL) == NULL + && !virtual_active() + && (colnr_T)leftcol > scroll_line_len(curwin->w_cursor.lnum)) + { + if (compute_longest_lnum) + { + curwin->w_cursor.lnum = gui_find_longest_lnum(); + curwin->w_cursor.col = 0; + } + /* Do a sanity check on "longest_lnum", just in case. */ + else if (longest_lnum >= curwin->w_topline + && longest_lnum < curwin->w_botline) + { + curwin->w_cursor.lnum = longest_lnum; + curwin->w_cursor.col = 0; + } + } + + return leftcol_changed(); +} + +/* + * Check that none of the colors are the same as the background color + */ + void +gui_check_colors(void) +{ + if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) + { + gui_set_bg_color((char_u *)"White"); + if (gui.norm_pixel == gui.back_pixel || gui.norm_pixel == INVALCOLOR) + gui_set_fg_color((char_u *)"Black"); + } +} + + static void +gui_set_fg_color(char_u *name) +{ + gui.norm_pixel = gui_get_color(name); + hl_set_fg_color_name(vim_strsave(name)); +} + + static void +gui_set_bg_color(char_u *name) +{ + gui.back_pixel = gui_get_color(name); + hl_set_bg_color_name(vim_strsave(name)); +} + +/* + * Allocate a color by name. + * Returns INVALCOLOR and gives an error message when failed. + */ + guicolor_T +gui_get_color(char_u *name) +{ + guicolor_T t; + + if (*name == NUL) + return INVALCOLOR; + t = gui_mch_get_color(name); + + if (t == INVALCOLOR +#if defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) + && gui.in_use +#endif + ) + semsg(_("E254: Cannot allocate color %s"), name); + return t; +} + +/* + * Return the grey value of a color (range 0-255). + */ + int +gui_get_lightness(guicolor_T pixel) +{ + long_u rgb = (long_u)gui_mch_get_rgb(pixel); + + return (int)( (((rgb >> 16) & 0xff) * 299) + + (((rgb >> 8) & 0xff) * 587) + + ((rgb & 0xff) * 114)) / 1000; +} + +#if defined(FEAT_GUI_X11) || defined(PROTO) + void +gui_new_scrollbar_colors(void) +{ + win_T *wp; + + /* Nothing to do if GUI hasn't started yet. */ + if (!gui.in_use) + return; + + FOR_ALL_WINDOWS(wp) + { + gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_LEFT])); + gui_mch_set_scrollbar_colors(&(wp->w_scrollbars[SBAR_RIGHT])); + } + gui_mch_set_scrollbar_colors(&gui.bottom_sbar); +} +#endif + +/* + * Call this when focus has changed. + */ + void +gui_focus_change(int in_focus) +{ +/* + * Skip this code to avoid drawing the cursor when debugging and switching + * between the debugger window and gvim. + */ +#if 1 + gui.in_focus = in_focus; + out_flush_cursor(TRUE, FALSE); + +# ifdef FEAT_XIM + xim_set_focus(in_focus); +# endif + + /* Put events in the input queue only when allowed. + * ui_focus_change() isn't called directly, because it invokes + * autocommands and that must not happen asynchronously. */ + if (!hold_gui_events) + { + char_u bytes[3]; + + bytes[0] = CSI; + bytes[1] = KS_EXTRA; + bytes[2] = in_focus ? (int)KE_FOCUSGAINED : (int)KE_FOCUSLOST; + add_to_input_buf(bytes, 3); + } +#endif +} + +/* + * Called when the mouse moved (but not when dragging). + */ + void +gui_mouse_moved(int x, int y) +{ + win_T *wp; + char_u st[8]; + + /* Ignore this while still starting up. */ + if (!gui.in_use || gui.starting) + return; + +#ifdef FEAT_MOUSESHAPE + /* Get window pointer, and update mouse shape as well. */ + wp = xy2win(x, y); +#endif + + /* Only handle this when 'mousefocus' set and ... */ + if (p_mousef + && !hold_gui_events /* not holding events */ + && (State & (NORMAL|INSERT))/* Normal/Visual/Insert mode */ + && State != HITRETURN /* but not hit-return prompt */ + && msg_scrolled == 0 /* no scrolled message */ + && !need_mouse_correct /* not moving the pointer */ + && gui.in_focus) /* gvim in focus */ + { + /* Don't move the mouse when it's left or right of the Vim window */ + if (x < 0 || x > Columns * gui.char_width) + return; +#ifndef FEAT_MOUSESHAPE + wp = xy2win(x, y); +#endif + if (wp == curwin || wp == NULL) + return; /* still in the same old window, or none at all */ + + /* Ignore position in the tab pages line. */ + if (Y_2_ROW(y) < tabline_height()) + return; + + /* + * format a mouse click on status line input + * ala gui_send_mouse_event(0, x, y, 0, 0); + * Trick: Use a column number -1, so that get_pseudo_mouse_code() will + * generate a K_LEFTMOUSE_NM key code. + */ + if (finish_op) + { + /* abort the current operator first */ + st[0] = ESC; + add_to_input_buf(st, 1); + } + st[0] = CSI; + st[1] = KS_MOUSE; + st[2] = KE_FILLER; + st[3] = (char_u)MOUSE_LEFT; + fill_mouse_coord(st + 4, + wp->w_wincol == 0 ? -1 : wp->w_wincol + MOUSE_COLOFF, + wp->w_height + W_WINROW(wp)); + + add_to_input_buf(st, 8); + st[3] = (char_u)MOUSE_RELEASE; + add_to_input_buf(st, 8); +#ifdef FEAT_GUI_GTK + /* Need to wake up the main loop */ + if (gtk_main_level() > 0) + gtk_main_quit(); +#endif + } +} + +/* + * Called when mouse should be moved to window with focus. + */ + void +gui_mouse_correct(void) +{ + int x, y; + win_T *wp = NULL; + + need_mouse_correct = FALSE; + + if (!(gui.in_use && p_mousef)) + return; + + gui_mch_getmouse(&x, &y); + /* Don't move the mouse when it's left or right of the Vim window */ + if (x < 0 || x > Columns * gui.char_width) + return; + if (y >= 0 && Y_2_ROW(y) >= tabline_height()) + wp = xy2win(x, y); + if (wp != curwin && wp != NULL) /* If in other than current window */ + { + validate_cline_row(); + gui_mch_setmouse((int)W_ENDCOL(curwin) * gui.char_width - 3, + (W_WINROW(curwin) + curwin->w_wrow) * gui.char_height + + (gui.char_height) / 2); + } +} + +/* + * Find window where the mouse pointer "x" / "y" coordinate is in. + */ + static win_T * +xy2win(int x UNUSED, int y UNUSED) +{ + int row; + int col; + win_T *wp; + + row = Y_2_ROW(y); + col = X_2_COL(x); + if (row < 0 || col < 0) /* before first window */ + return NULL; + wp = mouse_find_win(&row, &col); + if (wp == NULL) + return NULL; +#ifdef FEAT_MOUSESHAPE + if (State == HITRETURN || State == ASKMORE) + { + if (Y_2_ROW(y) >= msg_row) + update_mouseshape(SHAPE_IDX_MOREL); + else + update_mouseshape(SHAPE_IDX_MORE); + } + else if (row > wp->w_height) /* below status line */ + update_mouseshape(SHAPE_IDX_CLINE); + else if (!(State & CMDLINE) && wp->w_vsep_width > 0 && col == wp->w_width + && (row != wp->w_height || !stl_connected(wp)) && msg_scrolled == 0) + update_mouseshape(SHAPE_IDX_VSEP); + else if (!(State & CMDLINE) && wp->w_status_height > 0 + && row == wp->w_height && msg_scrolled == 0) + update_mouseshape(SHAPE_IDX_STATUS); + else + update_mouseshape(-2); +#endif + return wp; +} + +/* + * ":gui" and ":gvim": Change from the terminal version to the GUI version. + * File names may be given to redefine the args list. + */ + void +ex_gui(exarg_T *eap) +{ + char_u *arg = eap->arg; + + /* + * Check for "-f" argument: foreground, don't fork. + * Also don't fork when started with "gvim -f". + * Do fork when using "gui -b". + */ + if (arg[0] == '-' + && (arg[1] == 'f' || arg[1] == 'b') + && (arg[2] == NUL || VIM_ISWHITE(arg[2]))) + { + gui.dofork = (arg[1] == 'b'); + eap->arg = skipwhite(eap->arg + 2); + } + if (!gui.in_use) + { + /* Clear the command. Needed for when forking+exiting, to avoid part + * of the argument ending up after the shell prompt. */ + msg_clr_eos_force(); + gui_start(); +#ifdef FEAT_JOB_CHANNEL + channel_gui_register_all(); +#endif + } + if (!ends_excmd(*eap->arg)) + ex_next(eap); +} + +#if ((defined(FEAT_GUI_X11) || defined(FEAT_GUI_GTK) || defined(FEAT_GUI_W32) \ + || defined(FEAT_GUI_PHOTON)) && defined(FEAT_TOOLBAR)) || defined(PROTO) +/* + * This is shared between Athena, Motif and GTK. + */ + +/* + * Callback function for do_in_runtimepath(). + */ + static void +gfp_setname(char_u *fname, void *cookie) +{ + char_u *gfp_buffer = cookie; + + if (STRLEN(fname) >= MAXPATHL) + *gfp_buffer = NUL; + else + STRCPY(gfp_buffer, fname); +} + +/* + * Find the path of bitmap "name" with extension "ext" in 'runtimepath'. + * Return FAIL for failure and OK if buffer[MAXPATHL] contains the result. + */ + int +gui_find_bitmap(char_u *name, char_u *buffer, char *ext) +{ + if (STRLEN(name) > MAXPATHL - 14) + return FAIL; + vim_snprintf((char *)buffer, MAXPATHL, "bitmaps/%s.%s", name, ext); + if (do_in_runtimepath(buffer, 0, gfp_setname, buffer) == FAIL + || *buffer == NUL) + return FAIL; + return OK; +} + +# if !defined(FEAT_GUI_GTK) || defined(PROTO) +/* + * Given the name of the "icon=" argument, try finding the bitmap file for the + * icon. If it is an absolute path name, use it as it is. Otherwise append + * "ext" and search for it in 'runtimepath'. + * The result is put in "buffer[MAXPATHL]". If something fails "buffer" + * contains "name". + */ + void +gui_find_iconfile(char_u *name, char_u *buffer, char *ext) +{ + char_u buf[MAXPATHL + 1]; + + expand_env(name, buffer, MAXPATHL); + if (!mch_isFullName(buffer) && gui_find_bitmap(buffer, buf, ext) == OK) + STRCPY(buffer, buf); +} +# endif +#endif + +#if defined(FEAT_GUI_GTK) || defined(FEAT_GUI_X11) || defined(PROTO) + void +display_errors(void) +{ + char_u *p; + + if (isatty(2)) + fflush(stderr); + else if (error_ga.ga_data != NULL) + { + /* avoid putting up a message box with blanks only */ + for (p = (char_u *)error_ga.ga_data; *p != NUL; ++p) + if (!isspace(*p)) + { + /* Truncate a very long message, it will go off-screen. */ + if (STRLEN(p) > 2000) + STRCPY(p + 2000 - 14, "...(truncated)"); + (void)do_dialog(VIM_ERROR, (char_u *)_("Error"), + p, (char_u *)_("&Ok"), 1, NULL, FALSE); + break; + } + ga_clear(&error_ga); + } +} +#endif + +#if defined(NO_CONSOLE_INPUT) || defined(PROTO) +/* + * Return TRUE if still starting up and there is no place to enter text. + * For GTK and X11 we check if stderr is not a tty, which means we were + * (probably) started from the desktop. Also check stdin, "vim >& file" does + * allow typing on stdin. + */ + int +no_console_input(void) +{ + return ((!gui.in_use || gui.starting) +# ifndef NO_CONSOLE + && !isatty(0) && !isatty(2) +# endif + ); +} +#endif + +#if defined(FIND_REPLACE_DIALOG) \ + || defined(NEED_GUI_UPDATE_SCREEN) \ + || defined(PROTO) +/* + * Update the current window and the screen. + */ + void +gui_update_screen(void) +{ +# ifdef FEAT_CONCEAL + linenr_T conceal_old_cursor_line = 0; + linenr_T conceal_new_cursor_line = 0; + int conceal_update_lines = FALSE; +# endif + + update_topline(); + validate_cursor(); + + /* Trigger CursorMoved if the cursor moved. */ + if (!finish_op && (has_cursormoved() +# ifdef FEAT_CONCEAL + || curwin->w_p_cole > 0 +# endif + ) && !EQUAL_POS(last_cursormoved, curwin->w_cursor)) + { + if (has_cursormoved()) + apply_autocmds(EVENT_CURSORMOVED, NULL, NULL, FALSE, curbuf); +# ifdef FEAT_CONCEAL + if (curwin->w_p_cole > 0) + { + conceal_old_cursor_line = last_cursormoved.lnum; + conceal_new_cursor_line = curwin->w_cursor.lnum; + conceal_update_lines = TRUE; + } +# endif + last_cursormoved = curwin->w_cursor; + } + +# ifdef FEAT_CONCEAL + if (conceal_update_lines + && (conceal_old_cursor_line != conceal_new_cursor_line + || conceal_cursor_line(curwin) + || need_cursor_line_redraw)) + { + if (conceal_old_cursor_line != conceal_new_cursor_line) + redrawWinline(curwin, conceal_old_cursor_line); + redrawWinline(curwin, conceal_new_cursor_line); + curwin->w_valid &= ~VALID_CROW; + need_cursor_line_redraw = FALSE; + } +# endif + update_screen(0); /* may need to update the screen */ + setcursor(); + out_flush_cursor(TRUE, FALSE); +} +#endif + +#if defined(FIND_REPLACE_DIALOG) || defined(PROTO) +/* + * Get the text to use in a find/replace dialog. Uses the last search pattern + * if the argument is empty. + * Returns an allocated string. + */ + char_u * +get_find_dialog_text( + char_u *arg, + int *wwordp, /* return: TRUE if \< \> found */ + int *mcasep) /* return: TRUE if \C found */ +{ + char_u *text; + + if (*arg == NUL) + text = last_search_pat(); + else + text = arg; + if (text != NULL) + { + text = vim_strsave(text); + if (text != NULL) + { + int len = (int)STRLEN(text); + int i; + + /* Remove "\V" */ + if (len >= 2 && STRNCMP(text, "\\V", 2) == 0) + { + mch_memmove(text, text + 2, (size_t)(len - 1)); + len -= 2; + } + + /* Recognize "\c" and "\C" and remove. */ + if (len >= 2 && *text == '\\' && (text[1] == 'c' || text[1] == 'C')) + { + *mcasep = (text[1] == 'C'); + mch_memmove(text, text + 2, (size_t)(len - 1)); + len -= 2; + } + + /* Recognize "\<text\>" and remove. */ + if (len >= 4 + && STRNCMP(text, "\\<", 2) == 0 + && STRNCMP(text + len - 2, "\\>", 2) == 0) + { + *wwordp = TRUE; + mch_memmove(text, text + 2, (size_t)(len - 4)); + text[len - 4] = NUL; + } + + /* Recognize "\/" or "\?" and remove. */ + for (i = 0; i + 1 < len; ++i) + if (text[i] == '\\' && (text[i + 1] == '/' + || text[i + 1] == '?')) + { + mch_memmove(text + i, text + i + 1, (size_t)(len - i)); + --len; + } + } + } + return text; +} + +/* + * Handle the press of a button in the find-replace dialog. + * Return TRUE when something was added to the input buffer. + */ + int +gui_do_findrepl( + int flags, /* one of FRD_REPLACE, FRD_FINDNEXT, etc. */ + char_u *find_text, + char_u *repl_text, + int down) /* Search downwards. */ +{ + garray_T ga; + int i; + int type = (flags & FRD_TYPE_MASK); + char_u *p; + regmatch_T regmatch; + int save_did_emsg = did_emsg; + static int busy = FALSE; + + /* When the screen is being updated we should not change buffers and + * windows structures, it may cause freed memory to be used. Also don't + * do this recursively (pressing "Find" quickly several times. */ + if (updating_screen || busy) + return FALSE; + + /* refuse replace when text cannot be changed */ + if ((type == FRD_REPLACE || type == FRD_REPLACEALL) && text_locked()) + return FALSE; + + busy = TRUE; + + ga_init2(&ga, 1, 100); + if (type == FRD_REPLACEALL) + ga_concat(&ga, (char_u *)"%s/"); + + ga_concat(&ga, (char_u *)"\\V"); + if (flags & FRD_MATCH_CASE) + ga_concat(&ga, (char_u *)"\\C"); + else + ga_concat(&ga, (char_u *)"\\c"); + if (flags & FRD_WHOLE_WORD) + ga_concat(&ga, (char_u *)"\\<"); + /* escape / and \ */ + p = vim_strsave_escaped(find_text, (char_u *)"/\\"); + if (p != NULL) + ga_concat(&ga, p); + vim_free(p); + if (flags & FRD_WHOLE_WORD) + ga_concat(&ga, (char_u *)"\\>"); + + if (type == FRD_REPLACEALL) + { + ga_concat(&ga, (char_u *)"/"); + /* escape / and \ */ + p = vim_strsave_escaped(repl_text, (char_u *)"/\\"); + if (p != NULL) + ga_concat(&ga, p); + vim_free(p); + ga_concat(&ga, (char_u *)"/g"); + } + ga_append(&ga, NUL); + + if (type == FRD_REPLACE) + { + /* Do the replacement when the text at the cursor matches. Thus no + * replacement is done if the cursor was moved! */ + regmatch.regprog = vim_regcomp(ga.ga_data, RE_MAGIC + RE_STRING); + regmatch.rm_ic = 0; + if (regmatch.regprog != NULL) + { + p = ml_get_cursor(); + if (vim_regexec_nl(®match, p, (colnr_T)0) + && regmatch.startp[0] == p) + { + /* Clear the command line to remove any old "No match" + * error. */ + msg_end_prompt(); + + if (u_save_cursor() == OK) + { + /* A button was pressed thus undo should be synced. */ + u_sync(FALSE); + + del_bytes((long)(regmatch.endp[0] - regmatch.startp[0]), + FALSE, FALSE); + ins_str(repl_text); + } + } + else + msg(_("No match at cursor, finding next")); + vim_regfree(regmatch.regprog); + } + } + + if (type == FRD_REPLACEALL) + { + /* A button was pressed, thus undo should be synced. */ + u_sync(FALSE); + do_cmdline_cmd(ga.ga_data); + } + else + { + int searchflags = SEARCH_MSG + SEARCH_MARK; + + /* Search for the next match. + * Don't skip text under cursor for single replace. */ + if (type == FRD_REPLACE) + searchflags += SEARCH_START; + i = msg_scroll; + if (down) + { + (void)do_search(NULL, '/', ga.ga_data, 1L, searchflags, NULL, NULL); + } + else + { + /* We need to escape '?' if and only if we are searching in the up + * direction */ + p = vim_strsave_escaped(ga.ga_data, (char_u *)"?"); + if (p != NULL) + (void)do_search(NULL, '?', p, 1L, searchflags, NULL, NULL); + vim_free(p); + } + + msg_scroll = i; /* don't let an error message set msg_scroll */ + } + + /* Don't want to pass did_emsg to other code, it may cause disabling + * syntax HL if we were busy redrawing. */ + did_emsg = save_did_emsg; + + if (State & (NORMAL | INSERT)) + { + gui_update_screen(); /* update the screen */ + msg_didout = 0; /* overwrite any message */ + need_wait_return = FALSE; /* don't wait for return */ + } + + vim_free(ga.ga_data); + busy = FALSE; + return (ga.ga_len > 0); +} + +#endif + +#if defined(HAVE_DROP_FILE) || defined(PROTO) +/* + * Jump to the window at specified point (x, y). + */ + static void +gui_wingoto_xy(int x, int y) +{ + int row = Y_2_ROW(y); + int col = X_2_COL(x); + win_T *wp; + + if (row >= 0 && col >= 0) + { + wp = mouse_find_win(&row, &col); + if (wp != NULL && wp != curwin) + win_goto(wp); + } +} + +/* + * Function passed to handle_drop() for the actions to be done after the + * argument list has been updated. + */ + static void +drop_callback(void *cookie) +{ + char_u *p = cookie; + + /* If Shift held down, change to first file's directory. If the first + * item is a directory, change to that directory (and let the explorer + * plugin show the contents). */ + if (p != NULL) + { + if (mch_isdir(p)) + { + if (mch_chdir((char *)p) == 0) + shorten_fnames(TRUE); + } + else if (vim_chdirfile(p, "drop") == OK) + shorten_fnames(TRUE); + vim_free(p); + } + + /* Update the screen display */ + update_screen(NOT_VALID); +# ifdef FEAT_MENU + gui_update_menus(0); +# endif +#ifdef FEAT_TITLE + maketitle(); +#endif + setcursor(); + out_flush_cursor(FALSE, FALSE); +} + +/* + * Process file drop. Mouse cursor position, key modifiers, name of files + * and count of files are given. Argument "fnames[count]" has full pathnames + * of dropped files, they will be freed in this function, and caller can't use + * fnames after call this function. + */ + void +gui_handle_drop( + int x UNUSED, + int y UNUSED, + int_u modifiers, + char_u **fnames, + int count) +{ + int i; + char_u *p; + static int entered = FALSE; + + /* + * This function is called by event handlers. Just in case we get a + * second event before the first one is handled, ignore the second one. + * Not sure if this can ever happen, just in case. + */ + if (entered) + return; + entered = TRUE; + + /* + * When the cursor is at the command line, add the file names to the + * command line, don't edit the files. + */ + if (State & CMDLINE) + { + shorten_filenames(fnames, count); + for (i = 0; i < count; ++i) + { + if (fnames[i] != NULL) + { + if (i > 0) + add_to_input_buf((char_u*)" ", 1); + + /* We don't know what command is used thus we can't be sure + * about which characters need to be escaped. Only escape the + * most common ones. */ +# ifdef BACKSLASH_IN_FILENAME + p = vim_strsave_escaped(fnames[i], (char_u *)" \t\"|"); +# else + p = vim_strsave_escaped(fnames[i], (char_u *)"\\ \t\"|"); +# endif + if (p != NULL) + add_to_input_buf_csi(p, (int)STRLEN(p)); + vim_free(p); + vim_free(fnames[i]); + } + } + vim_free(fnames); + } + else + { + /* Go to the window under mouse cursor, then shorten given "fnames" by + * current window, because a window can have local current dir. */ + gui_wingoto_xy(x, y); + shorten_filenames(fnames, count); + + /* If Shift held down, remember the first item. */ + if ((modifiers & MOUSE_SHIFT) != 0) + p = vim_strsave(fnames[0]); + else + p = NULL; + + /* Handle the drop, :edit or :split to get to the file. This also + * frees fnames[]. Skip this if there is only one item, it's a + * directory and Shift is held down. */ + if (count == 1 && (modifiers & MOUSE_SHIFT) != 0 + && mch_isdir(fnames[0])) + { + vim_free(fnames[0]); + vim_free(fnames); + } + else + handle_drop(count, fnames, (modifiers & MOUSE_CTRL) != 0, + drop_callback, (void *)p); + } + + entered = FALSE; +} +#endif |