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Diffstat (limited to 'src/terminal.c')
| -rw-r--r-- | src/terminal.c | 6370 |
1 files changed, 6370 insertions, 0 deletions
diff --git a/src/terminal.c b/src/terminal.c new file mode 100644 index 0000000..41cd5c9 --- /dev/null +++ b/src/terminal.c @@ -0,0 +1,6370 @@ +/* vi:set ts=8 sts=4 sw=4 noet: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + * See README.txt for an overview of the Vim source code. + */ + +/* + * Terminal window support, see ":help :terminal". + * + * There are three parts: + * 1. Generic code for all systems. + * Uses libvterm for the terminal emulator. + * 2. The MS-Windows implementation. + * Uses winpty. + * 3. The Unix-like implementation. + * Uses pseudo-tty's (pty's). + * + * For each terminal one VTerm is constructed. This uses libvterm. A copy of + * this library is in the libvterm directory. + * + * When a terminal window is opened, a job is started that will be connected to + * the terminal emulator. + * + * If the terminal window has keyboard focus, typed keys are converted to the + * terminal encoding and writing to the job over a channel. + * + * If the job produces output, it is written to the terminal emulator. The + * terminal emulator invokes callbacks when its screen content changes. The + * line range is stored in tl_dirty_row_start and tl_dirty_row_end. Once in a + * while, if the terminal window is visible, the screen contents is drawn. + * + * When the job ends the text is put in a buffer. Redrawing then happens from + * that buffer, attributes come from the scrollback buffer tl_scrollback. + * When the buffer is changed it is turned into a normal buffer, the attributes + * in tl_scrollback are no longer used. + */ + +#include "vim.h" + +#if defined(FEAT_TERMINAL) || defined(PROTO) + +#ifndef MIN +# define MIN(x,y) ((x) < (y) ? (x) : (y)) +#endif +#ifndef MAX +# define MAX(x,y) ((x) > (y) ? (x) : (y)) +#endif + +#include "libvterm/include/vterm.h" + +/* This is VTermScreenCell without the characters, thus much smaller. */ +typedef struct { + VTermScreenCellAttrs attrs; + char width; + VTermColor fg; + VTermColor bg; +} cellattr_T; + +typedef struct sb_line_S { + int sb_cols; /* can differ per line */ + cellattr_T *sb_cells; /* allocated */ + cellattr_T sb_fill_attr; /* for short line */ +} sb_line_T; + +#ifdef WIN3264 +# ifndef HPCON +# define HPCON VOID* +# endif +# ifndef EXTENDED_STARTUPINFO_PRESENT +# define EXTENDED_STARTUPINFO_PRESENT 0x00080000 +# endif +# ifndef PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE +# define PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE 0x00020016 +# endif +typedef struct _DYN_STARTUPINFOEXW +{ + STARTUPINFOW StartupInfo; + LPPROC_THREAD_ATTRIBUTE_LIST lpAttributeList; +} DYN_STARTUPINFOEXW, *PDYN_STARTUPINFOEXW; +#endif + +/* typedef term_T in structs.h */ +struct terminal_S { + term_T *tl_next; + + VTerm *tl_vterm; + job_T *tl_job; + buf_T *tl_buffer; +#if defined(FEAT_GUI) + int tl_system; /* when non-zero used for :!cmd output */ + int tl_toprow; /* row with first line of system terminal */ +#endif + + /* Set when setting the size of a vterm, reset after redrawing. */ + int tl_vterm_size_changed; + + int tl_normal_mode; /* TRUE: Terminal-Normal mode */ + int tl_channel_closed; + int tl_channel_recently_closed; // still need to handle tl_finish + + int tl_finish; +#define TL_FINISH_UNSET NUL +#define TL_FINISH_CLOSE 'c' /* ++close or :terminal without argument */ +#define TL_FINISH_NOCLOSE 'n' /* ++noclose */ +#define TL_FINISH_OPEN 'o' /* ++open */ + char_u *tl_opencmd; + char_u *tl_eof_chars; + + char_u *tl_arg0_cmd; // To format the status bar + +#ifdef WIN3264 + void *tl_winpty_config; + void *tl_winpty; + + HPCON tl_conpty; + DYN_STARTUPINFOEXW tl_siex; // Structure that always needs to be hold + + FILE *tl_out_fd; +#endif +#if defined(FEAT_SESSION) + char_u *tl_command; +#endif + char_u *tl_kill; + + /* last known vterm size */ + int tl_rows; + int tl_cols; + + char_u *tl_title; /* NULL or allocated */ + char_u *tl_status_text; /* NULL or allocated */ + + /* Range of screen rows to update. Zero based. */ + int tl_dirty_row_start; /* MAX_ROW if nothing dirty */ + int tl_dirty_row_end; /* row below last one to update */ + int tl_dirty_snapshot; /* text updated after making snapshot */ +#ifdef FEAT_TIMERS + int tl_timer_set; + proftime_T tl_timer_due; +#endif + int tl_postponed_scroll; /* to be scrolled up */ + + garray_T tl_scrollback; + int tl_scrollback_scrolled; + cellattr_T tl_default_color; + + linenr_T tl_top_diff_rows; /* rows of top diff file or zero */ + linenr_T tl_bot_diff_rows; /* rows of bottom diff file */ + + VTermPos tl_cursor_pos; + int tl_cursor_visible; + int tl_cursor_blink; + int tl_cursor_shape; /* 1: block, 2: underline, 3: bar */ + char_u *tl_cursor_color; /* NULL or allocated */ + + int tl_using_altscreen; +}; + +#define TMODE_ONCE 1 /* CTRL-\ CTRL-N used */ +#define TMODE_LOOP 2 /* CTRL-W N used */ + +/* + * List of all active terminals. + */ +static term_T *first_term = NULL; + +/* Terminal active in terminal_loop(). */ +static term_T *in_terminal_loop = NULL; + +#ifdef WIN3264 +static BOOL has_winpty = FALSE; +static BOOL has_conpty = FALSE; +#endif + +#define MAX_ROW 999999 /* used for tl_dirty_row_end to update all rows */ +#define KEY_BUF_LEN 200 + +/* + * Functions with separate implementation for MS-Windows and Unix-like systems. + */ +static int term_and_job_init(term_T *term, typval_T *argvar, char **argv, jobopt_T *opt, jobopt_T *orig_opt); +static int create_pty_only(term_T *term, jobopt_T *opt); +static void term_report_winsize(term_T *term, int rows, int cols); +static void term_free_vterm(term_T *term); +#ifdef FEAT_GUI +static void update_system_term(term_T *term); +#endif + +/* The character that we know (or assume) that the terminal expects for the + * backspace key. */ +static int term_backspace_char = BS; + +/* "Terminal" highlight group colors. */ +static int term_default_cterm_fg = -1; +static int term_default_cterm_bg = -1; + +/* Store the last set and the desired cursor properties, so that we only update + * them when needed. Doing it unnecessary may result in flicker. */ +static char_u *last_set_cursor_color = NULL; +static char_u *desired_cursor_color = NULL; +static int last_set_cursor_shape = -1; +static int desired_cursor_shape = -1; +static int last_set_cursor_blink = -1; +static int desired_cursor_blink = -1; + + +/************************************** + * 1. Generic code for all systems. + */ + + static int +cursor_color_equal(char_u *lhs_color, char_u *rhs_color) +{ + if (lhs_color != NULL && rhs_color != NULL) + return STRCMP(lhs_color, rhs_color) == 0; + return lhs_color == NULL && rhs_color == NULL; +} + + static void +cursor_color_copy(char_u **to_color, char_u *from_color) +{ + // Avoid a free & alloc if the value is already right. + if (cursor_color_equal(*to_color, from_color)) + return; + vim_free(*to_color); + *to_color = (from_color == NULL) ? NULL : vim_strsave(from_color); +} + + static char_u * +cursor_color_get(char_u *color) +{ + return (color == NULL) ? (char_u *)"" : color; +} + + +/* + * Parse 'termwinsize' and set "rows" and "cols" for the terminal size in the + * current window. + * Sets "rows" and/or "cols" to zero when it should follow the window size. + * Return TRUE if the size is the minimum size: "24*80". + */ + static int +parse_termwinsize(win_T *wp, int *rows, int *cols) +{ + int minsize = FALSE; + + *rows = 0; + *cols = 0; + + if (*wp->w_p_tws != NUL) + { + char_u *p = vim_strchr(wp->w_p_tws, 'x'); + + /* Syntax of value was already checked when it's set. */ + if (p == NULL) + { + minsize = TRUE; + p = vim_strchr(wp->w_p_tws, '*'); + } + *rows = atoi((char *)wp->w_p_tws); + *cols = atoi((char *)p + 1); + } + return minsize; +} + +/* + * Determine the terminal size from 'termwinsize' and the current window. + */ + static void +set_term_and_win_size(term_T *term) +{ +#ifdef FEAT_GUI + if (term->tl_system) + { + /* Use the whole screen for the system command. However, it will start + * at the command line and scroll up as needed, using tl_toprow. */ + term->tl_rows = Rows; + term->tl_cols = Columns; + return; + } +#endif + if (parse_termwinsize(curwin, &term->tl_rows, &term->tl_cols)) + { + if (term->tl_rows != 0) + term->tl_rows = MAX(term->tl_rows, curwin->w_height); + if (term->tl_cols != 0) + term->tl_cols = MAX(term->tl_cols, curwin->w_width); + } + if (term->tl_rows == 0) + term->tl_rows = curwin->w_height; + else + win_setheight_win(term->tl_rows, curwin); + if (term->tl_cols == 0) + term->tl_cols = curwin->w_width; + else + win_setwidth_win(term->tl_cols, curwin); +} + +/* + * Initialize job options for a terminal job. + * Caller may overrule some of them. + */ + void +init_job_options(jobopt_T *opt) +{ + clear_job_options(opt); + + opt->jo_mode = MODE_RAW; + opt->jo_out_mode = MODE_RAW; + opt->jo_err_mode = MODE_RAW; + opt->jo_set = JO_MODE | JO_OUT_MODE | JO_ERR_MODE; +} + +/* + * Set job options mandatory for a terminal job. + */ + static void +setup_job_options(jobopt_T *opt, int rows, int cols) +{ +#ifndef WIN3264 + /* Win32: Redirecting the job output won't work, thus always connect stdout + * here. */ + if (!(opt->jo_set & JO_OUT_IO)) +#endif + { + /* Connect stdout to the terminal. */ + opt->jo_io[PART_OUT] = JIO_BUFFER; + opt->jo_io_buf[PART_OUT] = curbuf->b_fnum; + opt->jo_modifiable[PART_OUT] = 0; + opt->jo_set |= JO_OUT_IO + JO_OUT_BUF + JO_OUT_MODIFIABLE; + } + +#ifndef WIN3264 + /* Win32: Redirecting the job output won't work, thus always connect stderr + * here. */ + if (!(opt->jo_set & JO_ERR_IO)) +#endif + { + /* Connect stderr to the terminal. */ + opt->jo_io[PART_ERR] = JIO_BUFFER; + opt->jo_io_buf[PART_ERR] = curbuf->b_fnum; + opt->jo_modifiable[PART_ERR] = 0; + opt->jo_set |= JO_ERR_IO + JO_ERR_BUF + JO_ERR_MODIFIABLE; + } + + opt->jo_pty = TRUE; + if ((opt->jo_set2 & JO2_TERM_ROWS) == 0) + opt->jo_term_rows = rows; + if ((opt->jo_set2 & JO2_TERM_COLS) == 0) + opt->jo_term_cols = cols; +} + +/* + * Close a terminal buffer (and its window). Used when creating the terminal + * fails. + */ + static void +term_close_buffer(buf_T *buf, buf_T *old_curbuf) +{ + free_terminal(buf); + if (old_curbuf != NULL) + { + --curbuf->b_nwindows; + curbuf = old_curbuf; + curwin->w_buffer = curbuf; + ++curbuf->b_nwindows; + } + + /* Wiping out the buffer will also close the window and call + * free_terminal(). */ + do_buffer(DOBUF_WIPE, DOBUF_FIRST, FORWARD, buf->b_fnum, TRUE); +} + +/* + * Start a terminal window and return its buffer. + * Use either "argvar" or "argv", the other must be NULL. + * When "flags" has TERM_START_NOJOB only create the buffer, b_term and open + * the window. + * Returns NULL when failed. + */ + buf_T * +term_start( + typval_T *argvar, + char **argv, + jobopt_T *opt, + int flags) +{ + exarg_T split_ea; + win_T *old_curwin = curwin; + term_T *term; + buf_T *old_curbuf = NULL; + int res; + buf_T *newbuf; + int vertical = opt->jo_vertical || (cmdmod.split & WSP_VERT); + jobopt_T orig_opt; // only partly filled + + if (check_restricted() || check_secure()) + return NULL; + + if ((opt->jo_set & (JO_IN_IO + JO_OUT_IO + JO_ERR_IO)) + == (JO_IN_IO + JO_OUT_IO + JO_ERR_IO) + || (!(opt->jo_set & JO_OUT_IO) && (opt->jo_set & JO_OUT_BUF)) + || (!(opt->jo_set & JO_ERR_IO) && (opt->jo_set & JO_ERR_BUF))) + { + emsg(_(e_invarg)); + return NULL; + } + + term = (term_T *)alloc_clear(sizeof(term_T)); + if (term == NULL) + return NULL; + term->tl_dirty_row_end = MAX_ROW; + term->tl_cursor_visible = TRUE; + term->tl_cursor_shape = VTERM_PROP_CURSORSHAPE_BLOCK; + term->tl_finish = opt->jo_term_finish; +#ifdef FEAT_GUI + term->tl_system = (flags & TERM_START_SYSTEM); +#endif + ga_init2(&term->tl_scrollback, sizeof(sb_line_T), 300); + + vim_memset(&split_ea, 0, sizeof(split_ea)); + if (opt->jo_curwin) + { + /* Create a new buffer in the current window. */ + if (!can_abandon(curbuf, flags & TERM_START_FORCEIT)) + { + no_write_message(); + vim_free(term); + return NULL; + } + if (do_ecmd(0, NULL, NULL, &split_ea, ECMD_ONE, + ECMD_HIDE + + ((flags & TERM_START_FORCEIT) ? ECMD_FORCEIT : 0), + curwin) == FAIL) + { + vim_free(term); + return NULL; + } + } + else if (opt->jo_hidden || (flags & TERM_START_SYSTEM)) + { + buf_T *buf; + + /* Create a new buffer without a window. Make it the current buffer for + * a moment to be able to do the initialisations. */ + buf = buflist_new((char_u *)"", NULL, (linenr_T)0, + BLN_NEW | BLN_LISTED); + if (buf == NULL || ml_open(buf) == FAIL) + { + vim_free(term); + return NULL; + } + old_curbuf = curbuf; + --curbuf->b_nwindows; + curbuf = buf; + curwin->w_buffer = buf; + ++curbuf->b_nwindows; + } + else + { + /* Open a new window or tab. */ + split_ea.cmdidx = CMD_new; + split_ea.cmd = (char_u *)"new"; + split_ea.arg = (char_u *)""; + if (opt->jo_term_rows > 0 && !vertical) + { + split_ea.line2 = opt->jo_term_rows; + split_ea.addr_count = 1; + } + if (opt->jo_term_cols > 0 && vertical) + { + split_ea.line2 = opt->jo_term_cols; + split_ea.addr_count = 1; + } + + if (vertical) + cmdmod.split |= WSP_VERT; + ex_splitview(&split_ea); + if (curwin == old_curwin) + { + /* split failed */ + vim_free(term); + return NULL; + } + } + term->tl_buffer = curbuf; + curbuf->b_term = term; + + if (!opt->jo_hidden) + { + /* Only one size was taken care of with :new, do the other one. With + * "curwin" both need to be done. */ + if (opt->jo_term_rows > 0 && (opt->jo_curwin || vertical)) + win_setheight(opt->jo_term_rows); + if (opt->jo_term_cols > 0 && (opt->jo_curwin || !vertical)) + win_setwidth(opt->jo_term_cols); + } + + /* Link the new terminal in the list of active terminals. */ + term->tl_next = first_term; + first_term = term; + + if (opt->jo_term_name != NULL) + curbuf->b_ffname = vim_strsave(opt->jo_term_name); + else if (argv != NULL) + curbuf->b_ffname = vim_strsave((char_u *)"!system"); + else + { + int i; + size_t len; + char_u *cmd, *p; + + if (argvar->v_type == VAR_STRING) + { + cmd = argvar->vval.v_string; + if (cmd == NULL) + cmd = (char_u *)""; + else if (STRCMP(cmd, "NONE") == 0) + cmd = (char_u *)"pty"; + } + else if (argvar->v_type != VAR_LIST + || argvar->vval.v_list == NULL + || argvar->vval.v_list->lv_len < 1 + || (cmd = tv_get_string_chk( + &argvar->vval.v_list->lv_first->li_tv)) == NULL) + cmd = (char_u*)""; + + len = STRLEN(cmd) + 10; + p = alloc((int)len); + + for (i = 0; p != NULL; ++i) + { + /* Prepend a ! to the command name to avoid the buffer name equals + * the executable, otherwise ":w!" would overwrite it. */ + if (i == 0) + vim_snprintf((char *)p, len, "!%s", cmd); + else + vim_snprintf((char *)p, len, "!%s (%d)", cmd, i); + if (buflist_findname(p) == NULL) + { + vim_free(curbuf->b_ffname); + curbuf->b_ffname = p; + break; + } + } + } + curbuf->b_fname = curbuf->b_ffname; + + if (opt->jo_term_opencmd != NULL) + term->tl_opencmd = vim_strsave(opt->jo_term_opencmd); + + if (opt->jo_eof_chars != NULL) + term->tl_eof_chars = vim_strsave(opt->jo_eof_chars); + + set_string_option_direct((char_u *)"buftype", -1, + (char_u *)"terminal", OPT_FREE|OPT_LOCAL, 0); + // Avoid that 'buftype' is reset when this buffer is entered. + curbuf->b_p_initialized = TRUE; + + /* Mark the buffer as not modifiable. It can only be made modifiable after + * the job finished. */ + curbuf->b_p_ma = FALSE; + + set_term_and_win_size(term); +#ifdef WIN3264 + mch_memmove(orig_opt.jo_io, opt->jo_io, sizeof(orig_opt.jo_io)); +#endif + setup_job_options(opt, term->tl_rows, term->tl_cols); + + if (flags & TERM_START_NOJOB) + return curbuf; + +#if defined(FEAT_SESSION) + /* Remember the command for the session file. */ + if (opt->jo_term_norestore || argv != NULL) + { + term->tl_command = vim_strsave((char_u *)"NONE"); + } + else if (argvar->v_type == VAR_STRING) + { + char_u *cmd = argvar->vval.v_string; + + if (cmd != NULL && STRCMP(cmd, p_sh) != 0) + term->tl_command = vim_strsave(cmd); + } + else if (argvar->v_type == VAR_LIST + && argvar->vval.v_list != NULL + && argvar->vval.v_list->lv_len > 0) + { + garray_T ga; + listitem_T *item; + + ga_init2(&ga, 1, 100); + for (item = argvar->vval.v_list->lv_first; + item != NULL; item = item->li_next) + { + char_u *s = tv_get_string_chk(&item->li_tv); + char_u *p; + + if (s == NULL) + break; + p = vim_strsave_fnameescape(s, FALSE); + if (p == NULL) + break; + ga_concat(&ga, p); + vim_free(p); + ga_append(&ga, ' '); + } + if (item == NULL) + { + ga_append(&ga, NUL); + term->tl_command = ga.ga_data; + } + else + ga_clear(&ga); + } +#endif + + if (opt->jo_term_kill != NULL) + { + char_u *p = skiptowhite(opt->jo_term_kill); + + term->tl_kill = vim_strnsave(opt->jo_term_kill, p - opt->jo_term_kill); + } + + /* System dependent: setup the vterm and maybe start the job in it. */ + if (argv == NULL + && argvar->v_type == VAR_STRING + && argvar->vval.v_string != NULL + && STRCMP(argvar->vval.v_string, "NONE") == 0) + res = create_pty_only(term, opt); + else + res = term_and_job_init(term, argvar, argv, opt, &orig_opt); + + newbuf = curbuf; + if (res == OK) + { + /* Get and remember the size we ended up with. Update the pty. */ + vterm_get_size(term->tl_vterm, &term->tl_rows, &term->tl_cols); + term_report_winsize(term, term->tl_rows, term->tl_cols); +#ifdef FEAT_GUI + if (term->tl_system) + { + /* display first line below typed command */ + term->tl_toprow = msg_row + 1; + term->tl_dirty_row_end = 0; + } +#endif + + /* Make sure we don't get stuck on sending keys to the job, it leads to + * a deadlock if the job is waiting for Vim to read. */ + channel_set_nonblock(term->tl_job->jv_channel, PART_IN); + + if (old_curbuf != NULL) + { + --curbuf->b_nwindows; + curbuf = old_curbuf; + curwin->w_buffer = curbuf; + ++curbuf->b_nwindows; + } + } + else + { + term_close_buffer(curbuf, old_curbuf); + return NULL; + } + + apply_autocmds(EVENT_TERMINALOPEN, NULL, NULL, FALSE, newbuf); + return newbuf; +} + +/* + * ":terminal": open a terminal window and execute a job in it. + */ + void +ex_terminal(exarg_T *eap) +{ + typval_T argvar[2]; + jobopt_T opt; + char_u *cmd; + char_u *tofree = NULL; + + init_job_options(&opt); + + cmd = eap->arg; + while (*cmd == '+' && *(cmd + 1) == '+') + { + char_u *p, *ep; + + cmd += 2; + p = skiptowhite(cmd); + ep = vim_strchr(cmd, '='); + if (ep != NULL && ep < p) + p = ep; + + if ((int)(p - cmd) == 5 && STRNICMP(cmd, "close", 5) == 0) + opt.jo_term_finish = 'c'; + else if ((int)(p - cmd) == 7 && STRNICMP(cmd, "noclose", 7) == 0) + opt.jo_term_finish = 'n'; + else if ((int)(p - cmd) == 4 && STRNICMP(cmd, "open", 4) == 0) + opt.jo_term_finish = 'o'; + else if ((int)(p - cmd) == 6 && STRNICMP(cmd, "curwin", 6) == 0) + opt.jo_curwin = 1; + else if ((int)(p - cmd) == 6 && STRNICMP(cmd, "hidden", 6) == 0) + opt.jo_hidden = 1; + else if ((int)(p - cmd) == 9 && STRNICMP(cmd, "norestore", 9) == 0) + opt.jo_term_norestore = 1; + else if ((int)(p - cmd) == 4 && STRNICMP(cmd, "kill", 4) == 0 + && ep != NULL) + { + opt.jo_set2 |= JO2_TERM_KILL; + opt.jo_term_kill = ep + 1; + p = skiptowhite(cmd); + } + else if ((int)(p - cmd) == 4 && STRNICMP(cmd, "rows", 4) == 0 + && ep != NULL && isdigit(ep[1])) + { + opt.jo_set2 |= JO2_TERM_ROWS; + opt.jo_term_rows = atoi((char *)ep + 1); + p = skiptowhite(cmd); + } + else if ((int)(p - cmd) == 4 && STRNICMP(cmd, "cols", 4) == 0 + && ep != NULL && isdigit(ep[1])) + { + opt.jo_set2 |= JO2_TERM_COLS; + opt.jo_term_cols = atoi((char *)ep + 1); + p = skiptowhite(cmd); + } + else if ((int)(p - cmd) == 3 && STRNICMP(cmd, "eof", 3) == 0 + && ep != NULL) + { + char_u *buf = NULL; + char_u *keys; + + p = skiptowhite(cmd); + *p = NUL; + keys = replace_termcodes(ep + 1, &buf, TRUE, TRUE, TRUE); + opt.jo_set2 |= JO2_EOF_CHARS; + opt.jo_eof_chars = vim_strsave(keys); + vim_free(buf); + *p = ' '; + } + else if ((int)(p - cmd) == 6 && STRNICMP(cmd, "winpty", 6) == 0) + { + opt.jo_set2 |= JO2_TERM_MODE; + opt.jo_term_mode = 'w'; + } + else if ((int)(p - cmd) == 6 && STRNICMP(cmd, "conpty", 6) == 0) + { + opt.jo_set2 |= JO2_TERM_MODE; + opt.jo_term_mode = 'c'; + } + else + { + if (*p) + *p = NUL; + semsg(_("E181: Invalid attribute: %s"), cmd); + goto theend; + } + cmd = skipwhite(p); + } + if (*cmd == NUL) + { + /* Make a copy of 'shell', an autocommand may change the option. */ + tofree = cmd = vim_strsave(p_sh); + + /* default to close when the shell exits */ + if (opt.jo_term_finish == NUL) + opt.jo_term_finish = 'c'; + } + + if (eap->addr_count > 0) + { + /* Write lines from current buffer to the job. */ + opt.jo_set |= JO_IN_IO | JO_IN_BUF | JO_IN_TOP | JO_IN_BOT; + opt.jo_io[PART_IN] = JIO_BUFFER; + opt.jo_io_buf[PART_IN] = curbuf->b_fnum; + opt.jo_in_top = eap->line1; + opt.jo_in_bot = eap->line2; + } + + argvar[0].v_type = VAR_STRING; + argvar[0].vval.v_string = cmd; + argvar[1].v_type = VAR_UNKNOWN; + term_start(argvar, NULL, &opt, eap->forceit ? TERM_START_FORCEIT : 0); + vim_free(tofree); + +theend: + vim_free(opt.jo_eof_chars); +} + +#if defined(FEAT_SESSION) || defined(PROTO) +/* + * Write a :terminal command to the session file to restore the terminal in + * window "wp". + * Return FAIL if writing fails. + */ + int +term_write_session(FILE *fd, win_T *wp) +{ + term_T *term = wp->w_buffer->b_term; + + /* Create the terminal and run the command. This is not without + * risk, but let's assume the user only creates a session when this + * will be OK. */ + if (fprintf(fd, "terminal ++curwin ++cols=%d ++rows=%d ", + term->tl_cols, term->tl_rows) < 0) + return FAIL; +#ifdef WIN3264 + if (*wp->w_p_tmod != NUL) + if (fprintf(fd, "++%s ", wp->w_p_tmod) < 0) + return FAIL; +#endif + if (term->tl_command != NULL && fputs((char *)term->tl_command, fd) < 0) + return FAIL; + + return put_eol(fd); +} + +/* + * Return TRUE if "buf" has a terminal that should be restored. + */ + int +term_should_restore(buf_T *buf) +{ + term_T *term = buf->b_term; + + return term != NULL && (term->tl_command == NULL + || STRCMP(term->tl_command, "NONE") != 0); +} +#endif + +/* + * Free the scrollback buffer for "term". + */ + static void +free_scrollback(term_T *term) +{ + int i; + + for (i = 0; i < term->tl_scrollback.ga_len; ++i) + vim_free(((sb_line_T *)term->tl_scrollback.ga_data + i)->sb_cells); + ga_clear(&term->tl_scrollback); +} + + +// Terminals that need to be freed soon. +term_T *terminals_to_free = NULL; + +/* + * Free a terminal and everything it refers to. + * Kills the job if there is one. + * Called when wiping out a buffer. + * The actual terminal structure is freed later in free_unused_terminals(), + * because callbacks may wipe out a buffer while the terminal is still + * referenced. + */ + void +free_terminal(buf_T *buf) +{ + term_T *term = buf->b_term; + term_T *tp; + + if (term == NULL) + return; + + // Unlink the terminal form the list of terminals. + if (first_term == term) + first_term = term->tl_next; + else + for (tp = first_term; tp->tl_next != NULL; tp = tp->tl_next) + if (tp->tl_next == term) + { + tp->tl_next = term->tl_next; + break; + } + + if (term->tl_job != NULL) + { + if (term->tl_job->jv_status != JOB_ENDED + && term->tl_job->jv_status != JOB_FINISHED + && term->tl_job->jv_status != JOB_FAILED) + job_stop(term->tl_job, NULL, "kill"); + job_unref(term->tl_job); + } + term->tl_next = terminals_to_free; + terminals_to_free = term; + + buf->b_term = NULL; + if (in_terminal_loop == term) + in_terminal_loop = NULL; +} + + void +free_unused_terminals() +{ + while (terminals_to_free != NULL) + { + term_T *term = terminals_to_free; + + terminals_to_free = term->tl_next; + + free_scrollback(term); + + term_free_vterm(term); + vim_free(term->tl_title); +#ifdef FEAT_SESSION + vim_free(term->tl_command); +#endif + vim_free(term->tl_kill); + vim_free(term->tl_status_text); + vim_free(term->tl_opencmd); + vim_free(term->tl_eof_chars); + vim_free(term->tl_arg0_cmd); +#ifdef WIN3264 + if (term->tl_out_fd != NULL) + fclose(term->tl_out_fd); +#endif + vim_free(term->tl_cursor_color); + vim_free(term); + } +} + +/* + * Get the part that is connected to the tty. Normally this is PART_IN, but + * when writing buffer lines to the job it can be another. This makes it + * possible to do "1,5term vim -". + */ + static ch_part_T +get_tty_part(term_T *term) +{ +#ifdef UNIX + ch_part_T parts[3] = {PART_IN, PART_OUT, PART_ERR}; + int i; + + for (i = 0; i < 3; ++i) + { + int fd = term->tl_job->jv_channel->ch_part[parts[i]].ch_fd; + + if (mch_isatty(fd)) + return parts[i]; + } +#endif + return PART_IN; +} + +/* + * Write job output "msg[len]" to the vterm. + */ + static void +term_write_job_output(term_T *term, char_u *msg, size_t len) +{ + VTerm *vterm = term->tl_vterm; + size_t prevlen = vterm_output_get_buffer_current(vterm); + + vterm_input_write(vterm, (char *)msg, len); + + /* flush vterm buffer when vterm responded to control sequence */ + if (prevlen != vterm_output_get_buffer_current(vterm)) + { + char buf[KEY_BUF_LEN]; + size_t curlen = vterm_output_read(vterm, buf, KEY_BUF_LEN); + + if (curlen > 0) + channel_send(term->tl_job->jv_channel, get_tty_part(term), + (char_u *)buf, (int)curlen, NULL); + } + + /* this invokes the damage callbacks */ + vterm_screen_flush_damage(vterm_obtain_screen(vterm)); +} + + static void +update_cursor(term_T *term, int redraw) +{ + if (term->tl_normal_mode) + return; +#ifdef FEAT_GUI + if (term->tl_system) + windgoto(term->tl_cursor_pos.row + term->tl_toprow, + term->tl_cursor_pos.col); + else +#endif + setcursor(); + if (redraw) + { + if (term->tl_buffer == curbuf && term->tl_cursor_visible) + cursor_on(); + out_flush(); +#ifdef FEAT_GUI + if (gui.in_use) + { + gui_update_cursor(FALSE, FALSE); + gui_mch_flush(); + } +#endif + } +} + +/* + * Invoked when "msg" output from a job was received. Write it to the terminal + * of "buffer". + */ + void +write_to_term(buf_T *buffer, char_u *msg, channel_T *channel) +{ + size_t len = STRLEN(msg); + term_T *term = buffer->b_term; + +#ifdef WIN3264 + /* Win32: Cannot redirect output of the job, intercept it here and write to + * the file. */ + if (term->tl_out_fd != NULL) + { + ch_log(channel, "Writing %d bytes to output file", (int)len); + fwrite(msg, len, 1, term->tl_out_fd); + return; + } +#endif + + if (term->tl_vterm == NULL) + { + ch_log(channel, "NOT writing %d bytes to terminal", (int)len); + return; + } + ch_log(channel, "writing %d bytes to terminal", (int)len); + term_write_job_output(term, msg, len); + +#ifdef FEAT_GUI + if (term->tl_system) + { + /* show system output, scrolling up the screen as needed */ + update_system_term(term); + update_cursor(term, TRUE); + } + else +#endif + /* In Terminal-Normal mode we are displaying the buffer, not the terminal + * contents, thus no screen update is needed. */ + if (!term->tl_normal_mode) + { + // Don't use update_screen() when editing the command line, it gets + // cleared. + // TODO: only update once in a while. + ch_log(term->tl_job->jv_channel, "updating screen"); + if (buffer == curbuf && (State & CMDLINE) == 0) + { + update_screen(VALID_NO_UPDATE); + /* update_screen() can be slow, check the terminal wasn't closed + * already */ + if (buffer == curbuf && curbuf->b_term != NULL) + update_cursor(curbuf->b_term, TRUE); + } + else + redraw_after_callback(TRUE); + } +} + +/* + * Send a mouse position and click to the vterm + */ + static int +term_send_mouse(VTerm *vterm, int button, int pressed) +{ + VTermModifier mod = VTERM_MOD_NONE; + + vterm_mouse_move(vterm, mouse_row - W_WINROW(curwin), + mouse_col - curwin->w_wincol, mod); + if (button != 0) + vterm_mouse_button(vterm, button, pressed, mod); + return TRUE; +} + +static int enter_mouse_col = -1; +static int enter_mouse_row = -1; + +/* + * Handle a mouse click, drag or release. + * Return TRUE when a mouse event is sent to the terminal. + */ + static int +term_mouse_click(VTerm *vterm, int key) +{ +#if defined(FEAT_CLIPBOARD) + /* For modeless selection mouse drag and release events are ignored, unless + * they are preceded with a mouse down event */ + static int ignore_drag_release = TRUE; + VTermMouseState mouse_state; + + vterm_state_get_mousestate(vterm_obtain_state(vterm), &mouse_state); + if (mouse_state.flags == 0) + { + /* Terminal is not using the mouse, use modeless selection. */ + switch (key) + { + case K_LEFTDRAG: + case K_LEFTRELEASE: + case K_RIGHTDRAG: + case K_RIGHTRELEASE: + /* Ignore drag and release events when the button-down wasn't + * seen before. */ + if (ignore_drag_release) + { + int save_mouse_col, save_mouse_row; + + if (enter_mouse_col < 0) + break; + + /* mouse click in the window gave us focus, handle that + * click now */ + save_mouse_col = mouse_col; + save_mouse_row = mouse_row; + mouse_col = enter_mouse_col; + mouse_row = enter_mouse_row; + clip_modeless(MOUSE_LEFT, TRUE, FALSE); + mouse_col = save_mouse_col; + mouse_row = save_mouse_row; + } + /* FALLTHROUGH */ + case K_LEFTMOUSE: + case K_RIGHTMOUSE: + if (key == K_LEFTRELEASE || key == K_RIGHTRELEASE) + ignore_drag_release = TRUE; + else + ignore_drag_release = FALSE; + /* Should we call mouse_has() here? */ + if (clip_star.available) + { + int button, is_click, is_drag; + + button = get_mouse_button(KEY2TERMCAP1(key), + &is_click, &is_drag); + if (mouse_model_popup() && button == MOUSE_LEFT + && (mod_mask & MOD_MASK_SHIFT)) + { + /* Translate shift-left to right button. */ + button = MOUSE_RIGHT; + mod_mask &= ~MOD_MASK_SHIFT; + } + clip_modeless(button, is_click, is_drag); + } + break; + + case K_MIDDLEMOUSE: + if (clip_star.available) + insert_reg('*', TRUE); + break; + } + enter_mouse_col = -1; + return FALSE; + } +#endif + enter_mouse_col = -1; + + switch (key) + { + case K_LEFTMOUSE: + case K_LEFTMOUSE_NM: term_send_mouse(vterm, 1, 1); break; + case K_LEFTDRAG: term_send_mouse(vterm, 1, 1); break; + case K_LEFTRELEASE: + case K_LEFTRELEASE_NM: term_send_mouse(vterm, 1, 0); break; + case K_MOUSEMOVE: term_send_mouse(vterm, 0, 0); break; + case K_MIDDLEMOUSE: term_send_mouse(vterm, 2, 1); break; + case K_MIDDLEDRAG: term_send_mouse(vterm, 2, 1); break; + case K_MIDDLERELEASE: term_send_mouse(vterm, 2, 0); break; + case K_RIGHTMOUSE: term_send_mouse(vterm, 3, 1); break; + case K_RIGHTDRAG: term_send_mouse(vterm, 3, 1); break; + case K_RIGHTRELEASE: term_send_mouse(vterm, 3, 0); break; + } + return TRUE; +} + +/* + * Convert typed key "c" into bytes to send to the job. + * Return the number of bytes in "buf". + */ + static int +term_convert_key(term_T *term, int c, char *buf) +{ + VTerm *vterm = term->tl_vterm; + VTermKey key = VTERM_KEY_NONE; + VTermModifier mod = VTERM_MOD_NONE; + int other = FALSE; + + switch (c) + { + /* don't use VTERM_KEY_ENTER, it may do an unwanted conversion */ + + /* don't use VTERM_KEY_BACKSPACE, it always + * becomes 0x7f DEL */ + case K_BS: c = term_backspace_char; break; + + case ESC: key = VTERM_KEY_ESCAPE; break; + case K_DEL: key = VTERM_KEY_DEL; break; + case K_DOWN: key = VTERM_KEY_DOWN; break; + case K_S_DOWN: mod = VTERM_MOD_SHIFT; + key = VTERM_KEY_DOWN; break; + case K_END: key = VTERM_KEY_END; break; + case K_S_END: mod = VTERM_MOD_SHIFT; + key = VTERM_KEY_END; break; + case K_C_END: mod = VTERM_MOD_CTRL; + key = VTERM_KEY_END; break; + case K_F10: key = VTERM_KEY_FUNCTION(10); break; + case K_F11: key = VTERM_KEY_FUNCTION(11); break; + case K_F12: key = VTERM_KEY_FUNCTION(12); break; + case K_F1: key = VTERM_KEY_FUNCTION(1); break; + case K_F2: key = VTERM_KEY_FUNCTION(2); break; + case K_F3: key = VTERM_KEY_FUNCTION(3); break; + case K_F4: key = VTERM_KEY_FUNCTION(4); break; + case K_F5: key = VTERM_KEY_FUNCTION(5); break; + case K_F6: key = VTERM_KEY_FUNCTION(6); break; + case K_F7: key = VTERM_KEY_FUNCTION(7); break; + case K_F8: key = VTERM_KEY_FUNCTION(8); break; + case K_F9: key = VTERM_KEY_FUNCTION(9); break; + case K_HOME: key = VTERM_KEY_HOME; break; + case K_S_HOME: mod = VTERM_MOD_SHIFT; + key = VTERM_KEY_HOME; break; + case K_C_HOME: mod = VTERM_MOD_CTRL; + key = VTERM_KEY_HOME; break; + case K_INS: key = VTERM_KEY_INS; break; + case K_K0: key = VTERM_KEY_KP_0; break; + case K_K1: key = VTERM_KEY_KP_1; break; + case K_K2: key = VTERM_KEY_KP_2; break; + case K_K3: key = VTERM_KEY_KP_3; break; + case K_K4: key = VTERM_KEY_KP_4; break; + case K_K5: key = VTERM_KEY_KP_5; break; + case K_K6: key = VTERM_KEY_KP_6; break; + case K_K7: key = VTERM_KEY_KP_7; break; + case K_K8: key = VTERM_KEY_KP_8; break; + case K_K9: key = VTERM_KEY_KP_9; break; + case K_KDEL: key = VTERM_KEY_DEL; break; /* TODO */ + case K_KDIVIDE: key = VTERM_KEY_KP_DIVIDE; break; + case K_KEND: key = VTERM_KEY_KP_1; break; /* TODO */ + case K_KENTER: key = VTERM_KEY_KP_ENTER; break; + case K_KHOME: key = VTERM_KEY_KP_7; break; /* TODO */ + case K_KINS: key = VTERM_KEY_KP_0; break; /* TODO */ + case K_KMINUS: key = VTERM_KEY_KP_MINUS; break; + case K_KMULTIPLY: key = VTERM_KEY_KP_MULT; break; + case K_KPAGEDOWN: key = VTERM_KEY_KP_3; break; /* TODO */ + case K_KPAGEUP: key = VTERM_KEY_KP_9; break; /* TODO */ + case K_KPLUS: key = VTERM_KEY_KP_PLUS; break; + case K_KPOINT: key = VTERM_KEY_KP_PERIOD; break; + case K_LEFT: key = VTERM_KEY_LEFT; break; + case K_S_LEFT: mod = VTERM_MOD_SHIFT; + key = VTERM_KEY_LEFT; break; + case K_C_LEFT: mod = VTERM_MOD_CTRL; + key = VTERM_KEY_LEFT; break; + case K_PAGEDOWN: key = VTERM_KEY_PAGEDOWN; break; + case K_PAGEUP: key = VTERM_KEY_PAGEUP; break; + case K_RIGHT: key = VTERM_KEY_RIGHT; break; + case K_S_RIGHT: mod = VTERM_MOD_SHIFT; + key = VTERM_KEY_RIGHT; break; + case K_C_RIGHT: mod = VTERM_MOD_CTRL; + key = VTERM_KEY_RIGHT; break; + case K_UP: key = VTERM_KEY_UP; break; + case K_S_UP: mod = VTERM_MOD_SHIFT; + key = VTERM_KEY_UP; break; + case TAB: key = VTERM_KEY_TAB; break; + case K_S_TAB: mod = VTERM_MOD_SHIFT; + key = VTERM_KEY_TAB; break; + + case K_MOUSEUP: other = term_send_mouse(vterm, 5, 1); break; + case K_MOUSEDOWN: other = term_send_mouse(vterm, 4, 1); break; + case K_MOUSELEFT: /* TODO */ return 0; + case K_MOUSERIGHT: /* TODO */ return 0; + + case K_LEFTMOUSE: + case K_LEFTMOUSE_NM: + case K_LEFTDRAG: + case K_LEFTRELEASE: + case K_LEFTRELEASE_NM: + case K_MOUSEMOVE: + case K_MIDDLEMOUSE: + case K_MIDDLEDRAG: + case K_MIDDLERELEASE: + case K_RIGHTMOUSE: + case K_RIGHTDRAG: + case K_RIGHTRELEASE: if (!term_mouse_click(vterm, c)) + return 0; + other = TRUE; + break; + + case K_X1MOUSE: /* TODO */ return 0; + case K_X1DRAG: /* TODO */ return 0; + case K_X1RELEASE: /* TODO */ return 0; + case K_X2MOUSE: /* TODO */ return 0; + case K_X2DRAG: /* TODO */ return 0; + case K_X2RELEASE: /* TODO */ return 0; + + case K_IGNORE: return 0; + case K_NOP: return 0; + case K_UNDO: return 0; + case K_HELP: return 0; + case K_XF1: key = VTERM_KEY_FUNCTION(1); break; + case K_XF2: key = VTERM_KEY_FUNCTION(2); break; + case K_XF3: key = VTERM_KEY_FUNCTION(3); break; + case K_XF4: key = VTERM_KEY_FUNCTION(4); break; + case K_SELECT: return 0; +#ifdef FEAT_GUI + case K_VER_SCROLLBAR: return 0; + case K_HOR_SCROLLBAR: return 0; +#endif +#ifdef FEAT_GUI_TABLINE + case K_TABLINE: return 0; + case K_TABMENU: return 0; +#endif +#ifdef FEAT_NETBEANS_INTG + case K_F21: key = VTERM_KEY_FUNCTION(21); break; +#endif +#ifdef FEAT_DND + case K_DROP: return 0; +#endif + case K_CURSORHOLD: return 0; + case K_PS: vterm_keyboard_start_paste(vterm); + other = TRUE; + break; + case K_PE: vterm_keyboard_end_paste(vterm); + other = TRUE; + break; + } + + /* + * Convert special keys to vterm keys: + * - Write keys to vterm: vterm_keyboard_key() + * - Write output to channel. + * TODO: use mod_mask + */ + if (key != VTERM_KEY_NONE) + /* Special key, let vterm convert it. */ + vterm_keyboard_key(vterm, key, mod); + else if (!other) + /* Normal character, let vterm convert it. */ + vterm_keyboard_unichar(vterm, c, mod); + + /* Read back the converted escape sequence. */ + return (int)vterm_output_read(vterm, buf, KEY_BUF_LEN); +} + +/* + * Return TRUE if the job for "term" is still running. + * If "check_job_status" is TRUE update the job status. + * NOTE: "term" may be freed by callbacks. + */ + static int +term_job_running_check(term_T *term, int check_job_status) +{ + /* Also consider the job finished when the channel is closed, to avoid a + * race condition when updating the title. */ + if (term != NULL + && term->tl_job != NULL + && channel_is_open(term->tl_job->jv_channel)) + { + job_T *job = term->tl_job; + + // Careful: Checking the job status may invoked callbacks, which close + // the buffer and terminate "term". However, "job" will not be freed + // yet. + if (check_job_status) + job_status(job); + return (job->jv_status == JOB_STARTED + || (job->jv_channel != NULL && job->jv_channel->ch_keep_open)); + } + return FALSE; +} + +/* + * Return TRUE if the job for "term" is still running. + */ + int +term_job_running(term_T *term) +{ + return term_job_running_check(term, FALSE); +} + +/* + * Return TRUE if "term" has an active channel and used ":term NONE". + */ + int +term_none_open(term_T *term) +{ + /* Also consider the job finished when the channel is closed, to avoid a + * race condition when updating the title. */ + return term != NULL + && term->tl_job != NULL + && channel_is_open(term->tl_job->jv_channel) + && term->tl_job->jv_channel->ch_keep_open; +} + +/* + * Used when exiting: kill the job in "buf" if so desired. + * Return OK when the job finished. + * Return FAIL when the job is still running. + */ + int +term_try_stop_job(buf_T *buf) +{ + int count; + char *how = (char *)buf->b_term->tl_kill; + +#if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) + if ((how == NULL || *how == NUL) && (p_confirm || cmdmod.confirm)) + { + char_u buff[DIALOG_MSG_SIZE]; + int ret; + + dialog_msg(buff, _("Kill job in \"%s\"?"), buf->b_fname); + ret = vim_dialog_yesnocancel(VIM_QUESTION, NULL, buff, 1); + if (ret == VIM_YES) + how = "kill"; + else if (ret == VIM_CANCEL) + return FAIL; + } +#endif + if (how == NULL || *how == NUL) + return FAIL; + + job_stop(buf->b_term->tl_job, NULL, how); + + // wait for up to a second for the job to die + for (count = 0; count < 100; ++count) + { + job_T *job; + + // buffer, terminal and job may be cleaned up while waiting + if (!buf_valid(buf) + || buf->b_term == NULL + || buf->b_term->tl_job == NULL) + return OK; + job = buf->b_term->tl_job; + + // Call job_status() to update jv_status. It may cause the job to be + // cleaned up but it won't be freed. + job_status(job); + if (job->jv_status >= JOB_ENDED) + return OK; + + ui_delay(10L, FALSE); + mch_check_messages(); + parse_queued_messages(); + } + return FAIL; +} + +/* + * Add the last line of the scrollback buffer to the buffer in the window. + */ + static void +add_scrollback_line_to_buffer(term_T *term, char_u *text, int len) +{ + buf_T *buf = term->tl_buffer; + int empty = (buf->b_ml.ml_flags & ML_EMPTY); + linenr_T lnum = buf->b_ml.ml_line_count; + +#ifdef WIN3264 + if (!enc_utf8 && enc_codepage > 0) + { + WCHAR *ret = NULL; + int length = 0; + + MultiByteToWideChar_alloc(CP_UTF8, 0, (char*)text, len + 1, + &ret, &length); + if (ret != NULL) + { + WideCharToMultiByte_alloc(enc_codepage, 0, + ret, length, (char **)&text, &len, 0, 0); + vim_free(ret); + ml_append_buf(term->tl_buffer, lnum, text, len, FALSE); + vim_free(text); + } + } + else +#endif + ml_append_buf(term->tl_buffer, lnum, text, len + 1, FALSE); + if (empty) + { + /* Delete the empty line that was in the empty buffer. */ + curbuf = buf; + ml_delete(1, FALSE); + curbuf = curwin->w_buffer; + } +} + + static void +cell2cellattr(const VTermScreenCell *cell, cellattr_T *attr) +{ + attr->width = cell->width; + attr->attrs = cell->attrs; + attr->fg = cell->fg; + attr->bg = cell->bg; +} + + static int +equal_celattr(cellattr_T *a, cellattr_T *b) +{ + /* Comparing the colors should be sufficient. */ + return a->fg.red == b->fg.red + && a->fg.green == b->fg.green + && a->fg.blue == b->fg.blue + && a->bg.red == b->bg.red + && a->bg.green == b->bg.green + && a->bg.blue == b->bg.blue; +} + +/* + * Add an empty scrollback line to "term". When "lnum" is not zero, add the + * line at this position. Otherwise at the end. + */ + static int +add_empty_scrollback(term_T *term, cellattr_T *fill_attr, int lnum) +{ + if (ga_grow(&term->tl_scrollback, 1) == OK) + { + sb_line_T *line = (sb_line_T *)term->tl_scrollback.ga_data + + term->tl_scrollback.ga_len; + + if (lnum > 0) + { + int i; + + for (i = 0; i < term->tl_scrollback.ga_len - lnum; ++i) + { + *line = *(line - 1); + --line; + } + } + line->sb_cols = 0; + line->sb_cells = NULL; + line->sb_fill_attr = *fill_attr; + ++term->tl_scrollback.ga_len; + return OK; + } + return FALSE; +} + +/* + * Remove the terminal contents from the scrollback and the buffer. + * Used before adding a new scrollback line or updating the buffer for lines + * displayed in the terminal. + */ + static void +cleanup_scrollback(term_T *term) +{ + sb_line_T *line; + garray_T *gap; + + curbuf = term->tl_buffer; + gap = &term->tl_scrollback; + while (curbuf->b_ml.ml_line_count > term->tl_scrollback_scrolled + && gap->ga_len > 0) + { + ml_delete(curbuf->b_ml.ml_line_count, FALSE); + line = (sb_line_T *)gap->ga_data + gap->ga_len - 1; + vim_free(line->sb_cells); + --gap->ga_len; + } + curbuf = curwin->w_buffer; + if (curbuf == term->tl_buffer) + check_cursor(); +} + +/* + * Add the current lines of the terminal to scrollback and to the buffer. + */ + static void +update_snapshot(term_T *term) +{ + VTermScreen *screen; + int len; + int lines_skipped = 0; + VTermPos pos; + VTermScreenCell cell; + cellattr_T fill_attr, new_fill_attr; + cellattr_T *p; + + ch_log(term->tl_job == NULL ? NULL : term->tl_job->jv_channel, + "Adding terminal window snapshot to buffer"); + + /* First remove the lines that were appended before, they might be + * outdated. */ + cleanup_scrollback(term); + + screen = vterm_obtain_screen(term->tl_vterm); + fill_attr = new_fill_attr = term->tl_default_color; + for (pos.row = 0; pos.row < term->tl_rows; ++pos.row) + { + len = 0; + for (pos.col = 0; pos.col < term->tl_cols; ++pos.col) + if (vterm_screen_get_cell(screen, pos, &cell) != 0 + && cell.chars[0] != NUL) + { + len = pos.col + 1; + new_fill_attr = term->tl_default_color; + } + else + /* Assume the last attr is the filler attr. */ + cell2cellattr(&cell, &new_fill_attr); + + if (len == 0 && equal_celattr(&new_fill_attr, &fill_attr)) + ++lines_skipped; + else + { + while (lines_skipped > 0) + { + /* Line was skipped, add an empty line. */ + --lines_skipped; + if (add_empty_scrollback(term, &fill_attr, 0) == OK) + add_scrollback_line_to_buffer(term, (char_u *)"", 0); + } + + if (len == 0) + p = NULL; + else + p = (cellattr_T *)alloc((int)sizeof(cellattr_T) * len); + if ((p != NULL || len == 0) + && ga_grow(&term->tl_scrollback, 1) == OK) + { + garray_T ga; + int width; + sb_line_T *line = (sb_line_T *)term->tl_scrollback.ga_data + + term->tl_scrollback.ga_len; + + ga_init2(&ga, 1, 100); + for (pos.col = 0; pos.col < len; pos.col += width) + { + if (vterm_screen_get_cell(screen, pos, &cell) == 0) + { + width = 1; + vim_memset(p + pos.col, 0, sizeof(cellattr_T)); + if (ga_grow(&ga, 1) == OK) + ga.ga_len += utf_char2bytes(' ', + (char_u *)ga.ga_data + ga.ga_len); + } + else + { + width = cell.width; + + cell2cellattr(&cell, &p[pos.col]); + + // Each character can be up to 6 bytes. + if (ga_grow(&ga, VTERM_MAX_CHARS_PER_CELL * 6) == OK) + { + int i; + int c; + + for (i = 0; (c = cell.chars[i]) > 0 || i == 0; ++i) + ga.ga_len += utf_char2bytes(c == NUL ? ' ' : c, + (char_u *)ga.ga_data + ga.ga_len); + } + } + } + line->sb_cols = len; + line->sb_cells = p; + line->sb_fill_attr = new_fill_attr; + fill_attr = new_fill_attr; + ++term->tl_scrollback.ga_len; + + if (ga_grow(&ga, 1) == FAIL) + add_scrollback_line_to_buffer(term, (char_u *)"", 0); + else + { + *((char_u *)ga.ga_data + ga.ga_len) = NUL; + add_scrollback_line_to_buffer(term, ga.ga_data, ga.ga_len); + } + ga_clear(&ga); + } + else + vim_free(p); + } + } + + // Add trailing empty lines. + for (pos.row = term->tl_scrollback.ga_len; + pos.row < term->tl_scrollback_scrolled + term->tl_cursor_pos.row; + ++pos.row) + { + if (add_empty_scrollback(term, &fill_attr, 0) == OK) + add_scrollback_line_to_buffer(term, (char_u *)"", 0); + } + + term->tl_dirty_snapshot = FALSE; +#ifdef FEAT_TIMERS + term->tl_timer_set = FALSE; +#endif +} + +/* + * If needed, add the current lines of the terminal to scrollback and to the + * buffer. Called after the job has ended and when switching to + * Terminal-Normal mode. + * When "redraw" is TRUE redraw the windows that show the terminal. + */ + static void +may_move_terminal_to_buffer(term_T *term, int redraw) +{ + win_T *wp; + + if (term->tl_vterm == NULL) + return; + + /* Update the snapshot only if something changes or the buffer does not + * have all the lines. */ + if (term->tl_dirty_snapshot || term->tl_buffer->b_ml.ml_line_count + <= term->tl_scrollback_scrolled) + update_snapshot(term); + + /* Obtain the current background color. */ + vterm_state_get_default_colors(vterm_obtain_state(term->tl_vterm), + &term->tl_default_color.fg, &term->tl_default_color.bg); + + if (redraw) + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer == term->tl_buffer) + { + wp->w_cursor.lnum = term->tl_buffer->b_ml.ml_line_count; + wp->w_cursor.col = 0; + wp->w_valid = 0; + if (wp->w_cursor.lnum >= wp->w_height) + { + linenr_T min_topline = wp->w_cursor.lnum - wp->w_height + 1; + + if (wp->w_topline < min_topline) + wp->w_topline = min_topline; + } + redraw_win_later(wp, NOT_VALID); + } + } +} + +#if defined(FEAT_TIMERS) || defined(PROTO) +/* + * Check if any terminal timer expired. If so, copy text from the terminal to + * the buffer. + * Return the time until the next timer will expire. + */ + int +term_check_timers(int next_due_arg, proftime_T *now) +{ + term_T *term; + int next_due = next_due_arg; + + for (term = first_term; term != NULL; term = term->tl_next) + { + if (term->tl_timer_set && !term->tl_normal_mode) + { + long this_due = proftime_time_left(&term->tl_timer_due, now); + + if (this_due <= 1) + { + term->tl_timer_set = FALSE; + may_move_terminal_to_buffer(term, FALSE); + } + else if (next_due == -1 || next_due > this_due) + next_due = this_due; + } + } + + return next_due; +} +#endif + + static void +set_terminal_mode(term_T *term, int normal_mode) +{ + term->tl_normal_mode = normal_mode; + VIM_CLEAR(term->tl_status_text); + if (term->tl_buffer == curbuf) + maketitle(); +} + +/* + * Called after the job if finished and Terminal mode is not active: + * Move the vterm contents into the scrollback buffer and free the vterm. + */ + static void +cleanup_vterm(term_T *term) +{ + if (term->tl_finish != TL_FINISH_CLOSE) + may_move_terminal_to_buffer(term, TRUE); + term_free_vterm(term); + set_terminal_mode(term, FALSE); +} + +/* + * Switch from Terminal-Job mode to Terminal-Normal mode. + * Suspends updating the terminal window. + */ + static void +term_enter_normal_mode(void) +{ + term_T *term = curbuf->b_term; + + set_terminal_mode(term, TRUE); + + /* Append the current terminal contents to the buffer. */ + may_move_terminal_to_buffer(term, TRUE); + + /* Move the window cursor to the position of the cursor in the + * terminal. */ + curwin->w_cursor.lnum = term->tl_scrollback_scrolled + + term->tl_cursor_pos.row + 1; + check_cursor(); + if (coladvance(term->tl_cursor_pos.col) == FAIL) + coladvance(MAXCOL); + + /* Display the same lines as in the terminal. */ + curwin->w_topline = term->tl_scrollback_scrolled + 1; +} + +/* + * Returns TRUE if the current window contains a terminal and we are in + * Terminal-Normal mode. + */ + int +term_in_normal_mode(void) +{ + term_T *term = curbuf->b_term; + + return term != NULL && term->tl_normal_mode; +} + +/* + * Switch from Terminal-Normal mode to Terminal-Job mode. + * Restores updating the terminal window. + */ + void +term_enter_job_mode() +{ + term_T *term = curbuf->b_term; + + set_terminal_mode(term, FALSE); + + if (term->tl_channel_closed) + cleanup_vterm(term); + redraw_buf_and_status_later(curbuf, NOT_VALID); +} + +/* + * Get a key from the user with terminal mode mappings. + * Note: while waiting a terminal may be closed and freed if the channel is + * closed and ++close was used. + */ + static int +term_vgetc() +{ + int c; + int save_State = State; + + State = TERMINAL; + got_int = FALSE; +#ifdef WIN3264 + ctrl_break_was_pressed = FALSE; +#endif + c = vgetc(); + got_int = FALSE; + State = save_State; + return c; +} + +static int mouse_was_outside = FALSE; + +/* + * Send keys to terminal. + * Return FAIL when the key needs to be handled in Normal mode. + * Return OK when the key was dropped or sent to the terminal. + */ + int +send_keys_to_term(term_T *term, int c, int typed) +{ + char msg[KEY_BUF_LEN]; + size_t len; + int dragging_outside = FALSE; + + /* Catch keys that need to be handled as in Normal mode. */ + switch (c) + { + case NUL: + case K_ZERO: + if (typed) + stuffcharReadbuff(c); + return FAIL; + + case K_TABLINE: + stuffcharReadbuff(c); + return FAIL; + + case K_IGNORE: + case K_CANCEL: // used for :normal when running out of chars + return FAIL; + + case K_LEFTDRAG: + case K_MIDDLEDRAG: + case K_RIGHTDRAG: + case K_X1DRAG: + case K_X2DRAG: + dragging_outside = mouse_was_outside; + /* FALLTHROUGH */ + case K_LEFTMOUSE: + case K_LEFTMOUSE_NM: + case K_LEFTRELEASE: + case K_LEFTRELEASE_NM: + case K_MOUSEMOVE: + case K_MIDDLEMOUSE: + case K_MIDDLERELEASE: + case K_RIGHTMOUSE: + case K_RIGHTRELEASE: + case K_X1MOUSE: + case K_X1RELEASE: + case K_X2MOUSE: + case K_X2RELEASE: + + case K_MOUSEUP: + case K_MOUSEDOWN: + case K_MOUSELEFT: + case K_MOUSERIGHT: + if (mouse_row < W_WINROW(curwin) + || mouse_row >= (W_WINROW(curwin) + curwin->w_height) + || mouse_col < curwin->w_wincol + || mouse_col >= W_ENDCOL(curwin) + || dragging_outside) + { + /* click or scroll outside the current window or on status line + * or vertical separator */ + if (typed) + { + stuffcharReadbuff(c); + mouse_was_outside = TRUE; + } + return FAIL; + } + } + if (typed) + mouse_was_outside = FALSE; + + /* Convert the typed key to a sequence of bytes for the job. */ + len = term_convert_key(term, c, msg); + if (len > 0) + /* TODO: if FAIL is returned, stop? */ + channel_send(term->tl_job->jv_channel, get_tty_part(term), + (char_u *)msg, (int)len, NULL); + + return OK; +} + + static void +position_cursor(win_T *wp, VTermPos *pos) +{ + wp->w_wrow = MIN(pos->row, MAX(0, wp->w_height - 1)); + wp->w_wcol = MIN(pos->col, MAX(0, wp->w_width - 1)); + wp->w_valid |= (VALID_WCOL|VALID_WROW); +} + +/* + * Handle CTRL-W "": send register contents to the job. + */ + static void +term_paste_register(int prev_c UNUSED) +{ + int c; + list_T *l; + listitem_T *item; + long reglen = 0; + int type; + +#ifdef FEAT_CMDL_INFO + if (add_to_showcmd(prev_c)) + if (add_to_showcmd('"')) + out_flush(); +#endif + c = term_vgetc(); +#ifdef FEAT_CMDL_INFO + clear_showcmd(); +#endif + if (!term_use_loop()) + /* job finished while waiting for a character */ + return; + + /* CTRL-W "= prompt for expression to evaluate. */ + if (c == '=' && get_expr_register() != '=') + return; + if (!term_use_loop()) + /* job finished while waiting for a character */ + return; + + l = (list_T *)get_reg_contents(c, GREG_LIST); + if (l != NULL) + { + type = get_reg_type(c, ®len); + for (item = l->lv_first; item != NULL; item = item->li_next) + { + char_u *s = tv_get_string(&item->li_tv); +#ifdef WIN3264 + char_u *tmp = s; + + if (!enc_utf8 && enc_codepage > 0) + { + WCHAR *ret = NULL; + int length = 0; + + MultiByteToWideChar_alloc(enc_codepage, 0, (char *)s, + (int)STRLEN(s), &ret, &length); + if (ret != NULL) + { + WideCharToMultiByte_alloc(CP_UTF8, 0, + ret, length, (char **)&s, &length, 0, 0); + vim_free(ret); + } + } +#endif + channel_send(curbuf->b_term->tl_job->jv_channel, PART_IN, + s, (int)STRLEN(s), NULL); +#ifdef WIN3264 + if (tmp != s) + vim_free(s); +#endif + + if (item->li_next != NULL || type == MLINE) + channel_send(curbuf->b_term->tl_job->jv_channel, PART_IN, + (char_u *)"\r", 1, NULL); + } + list_free(l); + } +} + +/* + * Return TRUE when waiting for a character in the terminal, the cursor of the + * terminal should be displayed. + */ + int +terminal_is_active() +{ + return in_terminal_loop != NULL; +} + +#if defined(FEAT_GUI) || defined(PROTO) + cursorentry_T * +term_get_cursor_shape(guicolor_T *fg, guicolor_T *bg) +{ + term_T *term = in_terminal_loop; + static cursorentry_T entry; + int id; + guicolor_T term_fg, term_bg; + + vim_memset(&entry, 0, sizeof(entry)); + entry.shape = entry.mshape = + term->tl_cursor_shape == VTERM_PROP_CURSORSHAPE_UNDERLINE ? SHAPE_HOR : + term->tl_cursor_shape == VTERM_PROP_CURSORSHAPE_BAR_LEFT ? SHAPE_VER : + SHAPE_BLOCK; + entry.percentage = 20; + if (term->tl_cursor_blink) + { + entry.blinkwait = 700; + entry.blinkon = 400; + entry.blinkoff = 250; + } + + /* The "Terminal" highlight group overrules the defaults. */ + id = syn_name2id((char_u *)"Terminal"); + if (id != 0) + { + syn_id2colors(id, &term_fg, &term_bg); + *fg = term_bg; + } + else + *fg = gui.back_pixel; + + if (term->tl_cursor_color == NULL) + { + if (id != 0) + *bg = term_fg; + else + *bg = gui.norm_pixel; + } + else + *bg = color_name2handle(term->tl_cursor_color); + entry.name = "n"; + entry.used_for = SHAPE_CURSOR; + + return &entry; +} +#endif + + static void +may_output_cursor_props(void) +{ + if (!cursor_color_equal(last_set_cursor_color, desired_cursor_color) + || last_set_cursor_shape != desired_cursor_shape + || last_set_cursor_blink != desired_cursor_blink) + { + cursor_color_copy(&last_set_cursor_color, desired_cursor_color); + last_set_cursor_shape = desired_cursor_shape; + last_set_cursor_blink = desired_cursor_blink; + term_cursor_color(cursor_color_get(desired_cursor_color)); + if (desired_cursor_shape == -1 || desired_cursor_blink == -1) + /* this will restore the initial cursor style, if possible */ + ui_cursor_shape_forced(TRUE); + else + term_cursor_shape(desired_cursor_shape, desired_cursor_blink); + } +} + +/* + * Set the cursor color and shape, if not last set to these. + */ + static void +may_set_cursor_props(term_T *term) +{ +#ifdef FEAT_GUI + /* For the GUI the cursor properties are obtained with + * term_get_cursor_shape(). */ + if (gui.in_use) + return; +#endif + if (in_terminal_loop == term) + { + cursor_color_copy(&desired_cursor_color, term->tl_cursor_color); + desired_cursor_shape = term->tl_cursor_shape; + desired_cursor_blink = term->tl_cursor_blink; + may_output_cursor_props(); + } +} + +/* + * Reset the desired cursor properties and restore them when needed. + */ + static void +prepare_restore_cursor_props(void) +{ +#ifdef FEAT_GUI + if (gui.in_use) + return; +#endif + cursor_color_copy(&desired_cursor_color, NULL); + desired_cursor_shape = -1; + desired_cursor_blink = -1; + may_output_cursor_props(); +} + +/* + * Returns TRUE if the current window contains a terminal and we are sending + * keys to the job. + * If "check_job_status" is TRUE update the job status. + */ + static int +term_use_loop_check(int check_job_status) +{ + term_T *term = curbuf->b_term; + + return term != NULL + && !term->tl_normal_mode + && term->tl_vterm != NULL + && term_job_running_check(term, check_job_status); +} + +/* + * Returns TRUE if the current window contains a terminal and we are sending + * keys to the job. + */ + int +term_use_loop(void) +{ + return term_use_loop_check(FALSE); +} + +/* + * Called when entering a window with the mouse. If this is a terminal window + * we may want to change state. + */ + void +term_win_entered() +{ + term_T *term = curbuf->b_term; + + if (term != NULL) + { + if (term_use_loop_check(TRUE)) + { + reset_VIsual_and_resel(); + if (State & INSERT) + stop_insert_mode = TRUE; + } + mouse_was_outside = FALSE; + enter_mouse_col = mouse_col; + enter_mouse_row = mouse_row; + } +} + +/* + * Wait for input and send it to the job. + * When "blocking" is TRUE wait for a character to be typed. Otherwise return + * when there is no more typahead. + * Return when the start of a CTRL-W command is typed or anything else that + * should be handled as a Normal mode command. + * Returns OK if a typed character is to be handled in Normal mode, FAIL if + * the terminal was closed. + */ + int +terminal_loop(int blocking) +{ + int c; + int termwinkey = 0; + int ret; +#ifdef UNIX + int tty_fd = curbuf->b_term->tl_job->jv_channel + ->ch_part[get_tty_part(curbuf->b_term)].ch_fd; +#endif + int restore_cursor = FALSE; + + /* Remember the terminal we are sending keys to. However, the terminal + * might be closed while waiting for a character, e.g. typing "exit" in a + * shell and ++close was used. Therefore use curbuf->b_term instead of a + * stored reference. */ + in_terminal_loop = curbuf->b_term; + + if (*curwin->w_p_twk != NUL) + { + termwinkey = string_to_key(curwin->w_p_twk, TRUE); + if (termwinkey == Ctrl_W) + termwinkey = 0; + } + position_cursor(curwin, &curbuf->b_term->tl_cursor_pos); + may_set_cursor_props(curbuf->b_term); + + while (blocking || vpeekc_nomap() != NUL) + { +#ifdef FEAT_GUI + if (!curbuf->b_term->tl_system) +#endif + // TODO: skip screen update when handling a sequence of keys. + // Repeat redrawing in case a message is received while redrawing. + while (must_redraw != 0) + if (update_screen(0) == FAIL) + break; + if (!term_use_loop_check(TRUE) || in_terminal_loop != curbuf->b_term) + /* job finished while redrawing */ + break; + + update_cursor(curbuf->b_term, FALSE); + restore_cursor = TRUE; + + c = term_vgetc(); + if (!term_use_loop_check(TRUE) || in_terminal_loop != curbuf->b_term) + { + /* Job finished while waiting for a character. Push back the + * received character. */ + if (c != K_IGNORE) + vungetc(c); + break; + } + if (c == K_IGNORE) + continue; + +#ifdef UNIX + /* + * The shell or another program may change the tty settings. Getting + * them for every typed character is a bit of overhead, but it's needed + * for the first character typed, e.g. when Vim starts in a shell. + */ + if (mch_isatty(tty_fd)) + { + ttyinfo_T info; + + /* Get the current backspace character of the pty. */ + if (get_tty_info(tty_fd, &info) == OK) + term_backspace_char = info.backspace; + } +#endif + +#ifdef WIN3264 + /* On Windows winpty handles CTRL-C, don't send a CTRL_C_EVENT. + * Use CTRL-BREAK to kill the job. */ + if (ctrl_break_was_pressed) + mch_signal_job(curbuf->b_term->tl_job, (char_u *)"kill"); +#endif + /* Was either CTRL-W (termwinkey) or CTRL-\ pressed? + * Not in a system terminal. */ + if ((c == (termwinkey == 0 ? Ctrl_W : termwinkey) || c == Ctrl_BSL) +#ifdef FEAT_GUI + && !curbuf->b_term->tl_system +#endif + ) + { + int prev_c = c; + +#ifdef FEAT_CMDL_INFO + if (add_to_showcmd(c)) + out_flush(); +#endif + c = term_vgetc(); +#ifdef FEAT_CMDL_INFO + clear_showcmd(); +#endif + if (!term_use_loop_check(TRUE) + || in_terminal_loop != curbuf->b_term) + /* job finished while waiting for a character */ + break; + + if (prev_c == Ctrl_BSL) + { + if (c == Ctrl_N) + { + /* CTRL-\ CTRL-N : go to Terminal-Normal mode. */ + term_enter_normal_mode(); + ret = FAIL; + goto theend; + } + /* Send both keys to the terminal. */ + send_keys_to_term(curbuf->b_term, prev_c, TRUE); + } + else if (c == Ctrl_C) + { + /* "CTRL-W CTRL-C" or 'termwinkey' CTRL-C: end the job */ + mch_signal_job(curbuf->b_term->tl_job, (char_u *)"kill"); + } + else if (c == '.') + { + /* "CTRL-W .": send CTRL-W to the job */ + /* "'termwinkey' .": send 'termwinkey' to the job */ + c = termwinkey == 0 ? Ctrl_W : termwinkey; + } + else if (c == Ctrl_BSL) + { + /* "CTRL-W CTRL-\": send CTRL-\ to the job */ + c = Ctrl_BSL; + } + else if (c == 'N') + { + /* CTRL-W N : go to Terminal-Normal mode. */ + term_enter_normal_mode(); + ret = FAIL; + goto theend; + } + else if (c == '"') + { + term_paste_register(prev_c); + continue; + } + else if (termwinkey == 0 || c != termwinkey) + { + stuffcharReadbuff(Ctrl_W); + stuffcharReadbuff(c); + ret = OK; + goto theend; + } + } +# ifdef WIN3264 + if (!enc_utf8 && has_mbyte && c >= 0x80) + { + WCHAR wc; + char_u mb[3]; + + mb[0] = (unsigned)c >> 8; + mb[1] = c; + if (MultiByteToWideChar(GetACP(), 0, (char*)mb, 2, &wc, 1) > 0) + c = wc; + } +# endif + if (send_keys_to_term(curbuf->b_term, c, TRUE) != OK) + { + if (c == K_MOUSEMOVE) + /* We are sure to come back here, don't reset the cursor color + * and shape to avoid flickering. */ + restore_cursor = FALSE; + + ret = OK; + goto theend; + } + } + ret = FAIL; + +theend: + in_terminal_loop = NULL; + if (restore_cursor) + prepare_restore_cursor_props(); + + /* Move a snapshot of the screen contents to the buffer, so that completion + * works in other buffers. */ + if (curbuf->b_term != NULL && !curbuf->b_term->tl_normal_mode) + may_move_terminal_to_buffer(curbuf->b_term, FALSE); + + return ret; +} + + static void +may_toggle_cursor(term_T *term) +{ + if (in_terminal_loop == term) + { + if (term->tl_cursor_visible) + cursor_on(); + else + cursor_off(); + } +} + +/* + * Reverse engineer the RGB value into a cterm color index. + * First color is 1. Return 0 if no match found (default color). + */ + static int +color2index(VTermColor *color, int fg, int *boldp) +{ + int red = color->red; + int blue = color->blue; + int green = color->green; + + if (color->ansi_index != VTERM_ANSI_INDEX_NONE) + { + /* First 16 colors and default: use the ANSI index, because these + * colors can be redefined. */ + if (t_colors >= 16) + return color->ansi_index; + switch (color->ansi_index) + { + case 0: return 0; + case 1: return lookup_color( 0, fg, boldp) + 1; /* black */ + case 2: return lookup_color( 4, fg, boldp) + 1; /* dark red */ + case 3: return lookup_color( 2, fg, boldp) + 1; /* dark green */ + case 4: return lookup_color( 6, fg, boldp) + 1; /* brown */ + case 5: return lookup_color( 1, fg, boldp) + 1; /* dark blue */ + case 6: return lookup_color( 5, fg, boldp) + 1; /* dark magenta */ + case 7: return lookup_color( 3, fg, boldp) + 1; /* dark cyan */ + case 8: return lookup_color( 8, fg, boldp) + 1; /* light grey */ + case 9: return lookup_color(12, fg, boldp) + 1; /* dark grey */ + case 10: return lookup_color(20, fg, boldp) + 1; /* red */ + case 11: return lookup_color(16, fg, boldp) + 1; /* green */ + case 12: return lookup_color(24, fg, boldp) + 1; /* yellow */ + case 13: return lookup_color(14, fg, boldp) + 1; /* blue */ + case 14: return lookup_color(22, fg, boldp) + 1; /* magenta */ + case 15: return lookup_color(18, fg, boldp) + 1; /* cyan */ + case 16: return lookup_color(26, fg, boldp) + 1; /* white */ + } + } + + if (t_colors >= 256) + { + if (red == blue && red == green) + { + /* 24-color greyscale plus white and black */ + static int cutoff[23] = { + 0x0D, 0x17, 0x21, 0x2B, 0x35, 0x3F, 0x49, 0x53, 0x5D, 0x67, + 0x71, 0x7B, 0x85, 0x8F, 0x99, 0xA3, 0xAD, 0xB7, 0xC1, 0xCB, + 0xD5, 0xDF, 0xE9}; + int i; + + if (red < 5) + return 17; /* 00/00/00 */ + if (red > 245) /* ff/ff/ff */ + return 232; + for (i = 0; i < 23; ++i) + if (red < cutoff[i]) + return i + 233; + return 256; + } + { + static int cutoff[5] = {0x2F, 0x73, 0x9B, 0xC3, 0xEB}; + int ri, gi, bi; + + /* 216-color cube */ + for (ri = 0; ri < 5; ++ri) + if (red < cutoff[ri]) + break; + for (gi = 0; gi < 5; ++gi) + if (green < cutoff[gi]) + break; + for (bi = 0; bi < 5; ++bi) + if (blue < cutoff[bi]) + break; + return 17 + ri * 36 + gi * 6 + bi; + } + } + return 0; +} + +/* + * Convert Vterm attributes to highlight flags. + */ + static int +vtermAttr2hl(VTermScreenCellAttrs cellattrs) +{ + int attr = 0; + + if (cellattrs.bold) + attr |= HL_BOLD; + if (cellattrs.underline) + attr |= HL_UNDERLINE; + if (cellattrs.italic) + attr |= HL_ITALIC; + if (cellattrs.strike) + attr |= HL_STRIKETHROUGH; + if (cellattrs.reverse) + attr |= HL_INVERSE; + return attr; +} + +/* + * Store Vterm attributes in "cell" from highlight flags. + */ + static void +hl2vtermAttr(int attr, cellattr_T *cell) +{ + vim_memset(&cell->attrs, 0, sizeof(VTermScreenCellAttrs)); + if (attr & HL_BOLD) + cell->attrs.bold = 1; + if (attr & HL_UNDERLINE) + cell->attrs.underline = 1; + if (attr & HL_ITALIC) + cell->attrs.italic = 1; + if (attr & HL_STRIKETHROUGH) + cell->attrs.strike = 1; + if (attr & HL_INVERSE) + cell->attrs.reverse = 1; +} + +/* + * Convert the attributes of a vterm cell into an attribute index. + */ + static int +cell2attr(VTermScreenCellAttrs cellattrs, VTermColor cellfg, VTermColor cellbg) +{ + int attr = vtermAttr2hl(cellattrs); + +#ifdef FEAT_GUI + if (gui.in_use) + { + guicolor_T fg, bg; + + fg = gui_mch_get_rgb_color(cellfg.red, cellfg.green, cellfg.blue); + bg = gui_mch_get_rgb_color(cellbg.red, cellbg.green, cellbg.blue); + return get_gui_attr_idx(attr, fg, bg); + } + else +#endif +#ifdef FEAT_TERMGUICOLORS + if (p_tgc) + { + guicolor_T fg, bg; + + fg = gui_get_rgb_color_cmn(cellfg.red, cellfg.green, cellfg.blue); + bg = gui_get_rgb_color_cmn(cellbg.red, cellbg.green, cellbg.blue); + + return get_tgc_attr_idx(attr, fg, bg); + } + else +#endif + { + int bold = MAYBE; + int fg = color2index(&cellfg, TRUE, &bold); + int bg = color2index(&cellbg, FALSE, &bold); + + /* Use the "Terminal" highlighting for the default colors. */ + if ((fg == 0 || bg == 0) && t_colors >= 16) + { + if (fg == 0 && term_default_cterm_fg >= 0) + fg = term_default_cterm_fg + 1; + if (bg == 0 && term_default_cterm_bg >= 0) + bg = term_default_cterm_bg + 1; + } + + /* with 8 colors set the bold attribute to get a bright foreground */ + if (bold == TRUE) + attr |= HL_BOLD; + return get_cterm_attr_idx(attr, fg, bg); + } + return 0; +} + + static void +set_dirty_snapshot(term_T *term) +{ + term->tl_dirty_snapshot = TRUE; +#ifdef FEAT_TIMERS + if (!term->tl_normal_mode) + { + /* Update the snapshot after 100 msec of not getting updates. */ + profile_setlimit(100L, &term->tl_timer_due); + term->tl_timer_set = TRUE; + } +#endif +} + + static int +handle_damage(VTermRect rect, void *user) +{ + term_T *term = (term_T *)user; + + term->tl_dirty_row_start = MIN(term->tl_dirty_row_start, rect.start_row); + term->tl_dirty_row_end = MAX(term->tl_dirty_row_end, rect.end_row); + set_dirty_snapshot(term); + redraw_buf_later(term->tl_buffer, SOME_VALID); + return 1; +} + + static void +term_scroll_up(term_T *term, int start_row, int count) +{ + win_T *wp; + VTermColor fg, bg; + VTermScreenCellAttrs attr; + int clear_attr; + + /* Set the color to clear lines with. */ + vterm_state_get_default_colors(vterm_obtain_state(term->tl_vterm), + &fg, &bg); + vim_memset(&attr, 0, sizeof(attr)); + clear_attr = cell2attr(attr, fg, bg); + + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer == term->tl_buffer) + win_del_lines(wp, start_row, count, FALSE, FALSE, clear_attr); + } +} + + static int +handle_moverect(VTermRect dest, VTermRect src, void *user) +{ + term_T *term = (term_T *)user; + int count = src.start_row - dest.start_row; + + /* Scrolling up is done much more efficiently by deleting lines instead of + * redrawing the text. But avoid doing this multiple times, postpone until + * the redraw happens. */ + if (dest.start_col == src.start_col + && dest.end_col == src.end_col + && dest.start_row < src.start_row) + { + if (dest.start_row == 0) + term->tl_postponed_scroll += count; + else + term_scroll_up(term, dest.start_row, count); + } + + term->tl_dirty_row_start = MIN(term->tl_dirty_row_start, dest.start_row); + term->tl_dirty_row_end = MIN(term->tl_dirty_row_end, dest.end_row); + set_dirty_snapshot(term); + + /* Note sure if the scrolling will work correctly, let's do a complete + * redraw later. */ + redraw_buf_later(term->tl_buffer, NOT_VALID); + return 1; +} + + static int +handle_movecursor( + VTermPos pos, + VTermPos oldpos UNUSED, + int visible, + void *user) +{ + term_T *term = (term_T *)user; + win_T *wp; + + term->tl_cursor_pos = pos; + term->tl_cursor_visible = visible; + + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer == term->tl_buffer) + position_cursor(wp, &pos); + } + if (term->tl_buffer == curbuf && !term->tl_normal_mode) + { + may_toggle_cursor(term); + update_cursor(term, term->tl_cursor_visible); + } + + return 1; +} + + static int +handle_settermprop( + VTermProp prop, + VTermValue *value, + void *user) +{ + term_T *term = (term_T *)user; + + switch (prop) + { + case VTERM_PROP_TITLE: + vim_free(term->tl_title); + // a blank title isn't useful, make it empty, so that "running" is + // displayed + if (*skipwhite((char_u *)value->string) == NUL) + term->tl_title = NULL; + // Same as blank + else if (term->tl_arg0_cmd != NULL + && STRNCMP(term->tl_arg0_cmd, (char_u *)value->string, + (int)STRLEN(term->tl_arg0_cmd)) == 0) + term->tl_title = NULL; + // Empty corrupted data of winpty + else if (STRNCMP(" - ", (char_u *)value->string, 4) == 0) + term->tl_title = NULL; +#ifdef WIN3264 + else if (!enc_utf8 && enc_codepage > 0) + { + WCHAR *ret = NULL; + int length = 0; + + MultiByteToWideChar_alloc(CP_UTF8, 0, + (char*)value->string, (int)STRLEN(value->string), + &ret, &length); + if (ret != NULL) + { + WideCharToMultiByte_alloc(enc_codepage, 0, + ret, length, (char**)&term->tl_title, + &length, 0, 0); + vim_free(ret); + } + } +#endif + else + term->tl_title = vim_strsave((char_u *)value->string); + VIM_CLEAR(term->tl_status_text); + if (term == curbuf->b_term) + maketitle(); + break; + + case VTERM_PROP_CURSORVISIBLE: + term->tl_cursor_visible = value->boolean; + may_toggle_cursor(term); + out_flush(); + break; + + case VTERM_PROP_CURSORBLINK: + term->tl_cursor_blink = value->boolean; + may_set_cursor_props(term); + break; + + case VTERM_PROP_CURSORSHAPE: + term->tl_cursor_shape = value->number; + may_set_cursor_props(term); + break; + + case VTERM_PROP_CURSORCOLOR: + cursor_color_copy(&term->tl_cursor_color, (char_u*)value->string); + may_set_cursor_props(term); + break; + + case VTERM_PROP_ALTSCREEN: + /* TODO: do anything else? */ + term->tl_using_altscreen = value->boolean; + break; + + default: + break; + } + /* Always return 1, otherwise vterm doesn't store the value internally. */ + return 1; +} + +/* + * The job running in the terminal resized the terminal. + */ + static int +handle_resize(int rows, int cols, void *user) +{ + term_T *term = (term_T *)user; + win_T *wp; + + term->tl_rows = rows; + term->tl_cols = cols; + if (term->tl_vterm_size_changed) + /* Size was set by vterm_set_size(), don't set the window size. */ + term->tl_vterm_size_changed = FALSE; + else + { + FOR_ALL_WINDOWS(wp) + { + if (wp->w_buffer == term->tl_buffer) + { + win_setheight_win(rows, wp); + win_setwidth_win(cols, wp); + } + } + redraw_buf_later(term->tl_buffer, NOT_VALID); + } + return 1; +} + +/* + * Handle a line that is pushed off the top of the screen. + */ + static int +handle_pushline(int cols, const VTermScreenCell *cells, void *user) +{ + term_T *term = (term_T *)user; + + /* First remove the lines that were appended before, the pushed line goes + * above it. */ + cleanup_scrollback(term); + + /* If the number of lines that are stored goes over 'termscrollback' then + * delete the first 10%. */ + if (term->tl_scrollback.ga_len >= term->tl_buffer->b_p_twsl) + { + int todo = term->tl_buffer->b_p_twsl / 10; + int i; + + curbuf = term->tl_buffer; + for (i = 0; i < todo; ++i) + { + vim_free(((sb_line_T *)term->tl_scrollback.ga_data + i)->sb_cells); + ml_delete(1, FALSE); + } + curbuf = curwin->w_buffer; + + term->tl_scrollback.ga_len -= todo; + mch_memmove(term->tl_scrollback.ga_data, + (sb_line_T *)term->tl_scrollback.ga_data + todo, + sizeof(sb_line_T) * term->tl_scrollback.ga_len); + term->tl_scrollback_scrolled -= todo; + } + + if (ga_grow(&term->tl_scrollback, 1) == OK) + { + cellattr_T *p = NULL; + int len = 0; + int i; + int c; + int col; + sb_line_T *line; + garray_T ga; + cellattr_T fill_attr = term->tl_default_color; + + /* do not store empty cells at the end */ + for (i = 0; i < cols; ++i) + if (cells[i].chars[0] != 0) + len = i + 1; + else + cell2cellattr(&cells[i], &fill_attr); + + ga_init2(&ga, 1, 100); + if (len > 0) + p = (cellattr_T *)alloc((int)sizeof(cellattr_T) * len); + if (p != NULL) + { + for (col = 0; col < len; col += cells[col].width) + { + if (ga_grow(&ga, MB_MAXBYTES) == FAIL) + { + ga.ga_len = 0; + break; + } + for (i = 0; (c = cells[col].chars[i]) > 0 || i == 0; ++i) + ga.ga_len += utf_char2bytes(c == NUL ? ' ' : c, + (char_u *)ga.ga_data + ga.ga_len); + cell2cellattr(&cells[col], &p[col]); + } + } + if (ga_grow(&ga, 1) == FAIL) + add_scrollback_line_to_buffer(term, (char_u *)"", 0); + else + { + *((char_u *)ga.ga_data + ga.ga_len) = NUL; + add_scrollback_line_to_buffer(term, ga.ga_data, ga.ga_len); + } + ga_clear(&ga); + + line = (sb_line_T *)term->tl_scrollback.ga_data + + term->tl_scrollback.ga_len; + line->sb_cols = len; + line->sb_cells = p; + line->sb_fill_attr = fill_attr; + ++term->tl_scrollback.ga_len; + ++term->tl_scrollback_scrolled; + } + return 0; /* ignored */ +} + +static VTermScreenCallbacks screen_callbacks = { + handle_damage, /* damage */ + handle_moverect, /* moverect */ + handle_movecursor, /* movecursor */ + handle_settermprop, /* settermprop */ + NULL, /* bell */ + handle_resize, /* resize */ + handle_pushline, /* sb_pushline */ + NULL /* sb_popline */ +}; + +/* + * Do the work after the channel of a terminal was closed. + * Must be called only when updating_screen is FALSE. + * Returns TRUE when a buffer was closed (list of terminals may have changed). + */ + static int +term_after_channel_closed(term_T *term) +{ + /* Unless in Terminal-Normal mode: clear the vterm. */ + if (!term->tl_normal_mode) + { + int fnum = term->tl_buffer->b_fnum; + + cleanup_vterm(term); + + if (term->tl_finish == TL_FINISH_CLOSE) + { + aco_save_T aco; + int do_set_w_closing = term->tl_buffer->b_nwindows == 0; + + // ++close or term_finish == "close" + ch_log(NULL, "terminal job finished, closing window"); + aucmd_prepbuf(&aco, term->tl_buffer); + // Avoid closing the window if we temporarily use it. + if (do_set_w_closing) + curwin->w_closing = TRUE; + do_bufdel(DOBUF_WIPE, (char_u *)"", 1, fnum, fnum, FALSE); + if (do_set_w_closing) + curwin->w_closing = FALSE; + aucmd_restbuf(&aco); + return TRUE; + } + if (term->tl_finish == TL_FINISH_OPEN + && term->tl_buffer->b_nwindows == 0) + { + char buf[50]; + + /* TODO: use term_opencmd */ + ch_log(NULL, "terminal job finished, opening window"); + vim_snprintf(buf, sizeof(buf), + term->tl_opencmd == NULL + ? "botright sbuf %d" + : (char *)term->tl_opencmd, fnum); + do_cmdline_cmd((char_u *)buf); + } + else + ch_log(NULL, "terminal job finished"); + } + + redraw_buf_and_status_later(term->tl_buffer, NOT_VALID); + return FALSE; +} + +/* + * Called when a channel has been closed. + * If this was a channel for a terminal window then finish it up. + */ + void +term_channel_closed(channel_T *ch) +{ + term_T *term; + term_T *next_term; + int did_one = FALSE; + + for (term = first_term; term != NULL; term = next_term) + { + next_term = term->tl_next; + if (term->tl_job == ch->ch_job) + { + term->tl_channel_closed = TRUE; + did_one = TRUE; + + VIM_CLEAR(term->tl_title); + VIM_CLEAR(term->tl_status_text); +#ifdef WIN3264 + if (term->tl_out_fd != NULL) + { + fclose(term->tl_out_fd); + term->tl_out_fd = NULL; + } +#endif + + if (updating_screen) + { + /* Cannot open or close windows now. Can happen when + * 'lazyredraw' is set. */ + term->tl_channel_recently_closed = TRUE; + continue; + } + + if (term_after_channel_closed(term)) + next_term = first_term; + } + } + + if (did_one) + { + redraw_statuslines(); + + /* Need to break out of vgetc(). */ + ins_char_typebuf(K_IGNORE); + typebuf_was_filled = TRUE; + + term = curbuf->b_term; + if (term != NULL) + { + if (term->tl_job == ch->ch_job) + maketitle(); + update_cursor(term, term->tl_cursor_visible); + } + } +} + +/* + * To be called after resetting updating_screen: handle any terminal where the + * channel was closed. + */ + void +term_check_channel_closed_recently() +{ + term_T *term; + term_T *next_term; + + for (term = first_term; term != NULL; term = next_term) + { + next_term = term->tl_next; + if (term->tl_channel_recently_closed) + { + term->tl_channel_recently_closed = FALSE; + if (term_after_channel_closed(term)) + // start over, the list may have changed + next_term = first_term; + } + } +} + +/* + * Fill one screen line from a line of the terminal. + * Advances "pos" to past the last column. + */ + static void +term_line2screenline(VTermScreen *screen, VTermPos *pos, int max_col) +{ + int off = screen_get_current_line_off(); + + for (pos->col = 0; pos->col < max_col; ) + { + VTermScreenCell cell; + int c; + + if (vterm_screen_get_cell(screen, *pos, &cell) == 0) + vim_memset(&cell, 0, sizeof(cell)); + + c = cell.chars[0]; + if (c == NUL) + { + ScreenLines[off] = ' '; + if (enc_utf8) + ScreenLinesUC[off] = NUL; + } + else + { + if (enc_utf8) + { + int i; + + /* composing chars */ + for (i = 0; i < Screen_mco + && i + 1 < VTERM_MAX_CHARS_PER_CELL; ++i) + { + ScreenLinesC[i][off] = cell.chars[i + 1]; + if (cell.chars[i + 1] == 0) + break; + } + if (c >= 0x80 || (Screen_mco > 0 + && ScreenLinesC[0][off] != 0)) + { + ScreenLines[off] = ' '; + ScreenLinesUC[off] = c; + } + else + { + ScreenLines[off] = c; + ScreenLinesUC[off] = NUL; + } + } +#ifdef WIN3264 + else if (has_mbyte && c >= 0x80) + { + char_u mb[MB_MAXBYTES+1]; + WCHAR wc = c; + + if (WideCharToMultiByte(GetACP(), 0, &wc, 1, + (char*)mb, 2, 0, 0) > 1) + { + ScreenLines[off] = mb[0]; + ScreenLines[off + 1] = mb[1]; + cell.width = mb_ptr2cells(mb); + } + else + ScreenLines[off] = c; + } +#endif + else + ScreenLines[off] = c; + } + ScreenAttrs[off] = cell2attr(cell.attrs, cell.fg, cell.bg); + + ++pos->col; + ++off; + if (cell.width == 2) + { + if (enc_utf8) + ScreenLinesUC[off] = NUL; + + /* don't set the second byte to NUL for a DBCS encoding, it + * has been set above */ + if (enc_utf8 || !has_mbyte) + ScreenLines[off] = NUL; + + ++pos->col; + ++off; + } + } +} + +#if defined(FEAT_GUI) + static void +update_system_term(term_T *term) +{ + VTermPos pos; + VTermScreen *screen; + + if (term->tl_vterm == NULL) + return; + screen = vterm_obtain_screen(term->tl_vterm); + + /* Scroll up to make more room for terminal lines if needed. */ + while (term->tl_toprow > 0 + && (Rows - term->tl_toprow) < term->tl_dirty_row_end) + { + int save_p_more = p_more; + + p_more = FALSE; + msg_row = Rows - 1; + msg_puts("\n"); + p_more = save_p_more; + --term->tl_toprow; + } + + for (pos.row = term->tl_dirty_row_start; pos.row < term->tl_dirty_row_end + && pos.row < Rows; ++pos.row) + { + if (pos.row < term->tl_rows) + { + int max_col = MIN(Columns, term->tl_cols); + + term_line2screenline(screen, &pos, max_col); + } + else + pos.col = 0; + + screen_line(term->tl_toprow + pos.row, 0, pos.col, Columns, FALSE); + } + + term->tl_dirty_row_start = MAX_ROW; + term->tl_dirty_row_end = 0; + update_cursor(term, TRUE); +} +#endif + +/* + * Return TRUE if window "wp" is to be redrawn with term_update_window(). + * Returns FALSE when there is no terminal running in this window or it is in + * Terminal-Normal mode. + */ + int +term_do_update_window(win_T *wp) +{ + term_T *term = wp->w_buffer->b_term; + + return term != NULL && term->tl_vterm != NULL && !term->tl_normal_mode; +} + +/* + * Called to update a window that contains an active terminal. + */ + void +term_update_window(win_T *wp) +{ + term_T *term = wp->w_buffer->b_term; + VTerm *vterm; + VTermScreen *screen; + VTermState *state; + VTermPos pos; + int rows, cols; + int newrows, newcols; + int minsize; + win_T *twp; + + vterm = term->tl_vterm; + screen = vterm_obtain_screen(vterm); + state = vterm_obtain_state(vterm); + + /* We use NOT_VALID on a resize or scroll, redraw everything then. With + * SOME_VALID only redraw what was marked dirty. */ + if (wp->w_redr_type > SOME_VALID) + { + term->tl_dirty_row_start = 0; + term->tl_dirty_row_end = MAX_ROW; + + if (term->tl_postponed_scroll > 0 + && term->tl_postponed_scroll < term->tl_rows / 3) + /* Scrolling is usually faster than redrawing, when there are only + * a few lines to scroll. */ + term_scroll_up(term, 0, term->tl_postponed_scroll); + term->tl_postponed_scroll = 0; + } + + /* + * If the window was resized a redraw will be triggered and we get here. + * Adjust the size of the vterm unless 'termwinsize' specifies a fixed size. + */ + minsize = parse_termwinsize(wp, &rows, &cols); + + newrows = 99999; + newcols = 99999; + FOR_ALL_WINDOWS(twp) + { + /* When more than one window shows the same terminal, use the + * smallest size. */ + if (twp->w_buffer == term->tl_buffer) + { + newrows = MIN(newrows, twp->w_height); + newcols = MIN(newcols, twp->w_width); + } + } + newrows = rows == 0 ? newrows : minsize ? MAX(rows, newrows) : rows; + newcols = cols == 0 ? newcols : minsize ? MAX(cols, newcols) : cols; + + if (term->tl_rows != newrows || term->tl_cols != newcols) + { + term->tl_vterm_size_changed = TRUE; + vterm_set_size(vterm, newrows, newcols); + ch_log(term->tl_job->jv_channel, "Resizing terminal to %d lines", + newrows); + term_report_winsize(term, newrows, newcols); + + // Updating the terminal size will cause the snapshot to be cleared. + // When not in terminal_loop() we need to restore it. + if (term != in_terminal_loop) + may_move_terminal_to_buffer(term, FALSE); + } + + /* The cursor may have been moved when resizing. */ + vterm_state_get_cursorpos(state, &pos); + position_cursor(wp, &pos); + + for (pos.row = term->tl_dirty_row_start; pos.row < term->tl_dirty_row_end + && pos.row < wp->w_height; ++pos.row) + { + if (pos.row < term->tl_rows) + { + int max_col = MIN(wp->w_width, term->tl_cols); + + term_line2screenline(screen, &pos, max_col); + } + else + pos.col = 0; + + screen_line(wp->w_winrow + pos.row +#ifdef FEAT_MENU + + winbar_height(wp) +#endif + , wp->w_wincol, pos.col, wp->w_width, FALSE); + } + term->tl_dirty_row_start = MAX_ROW; + term->tl_dirty_row_end = 0; +} + +/* + * Return TRUE if "wp" is a terminal window where the job has finished. + */ + int +term_is_finished(buf_T *buf) +{ + return buf->b_term != NULL && buf->b_term->tl_vterm == NULL; +} + +/* + * Return TRUE if "wp" is a terminal window where the job has finished or we + * are in Terminal-Normal mode, thus we show the buffer contents. + */ + int +term_show_buffer(buf_T *buf) +{ + term_T *term = buf->b_term; + + return term != NULL && (term->tl_vterm == NULL || term->tl_normal_mode); +} + +/* + * The current buffer is going to be changed. If there is terminal + * highlighting remove it now. + */ + void +term_change_in_curbuf(void) +{ + term_T *term = curbuf->b_term; + + if (term_is_finished(curbuf) && term->tl_scrollback.ga_len > 0) + { + free_scrollback(term); + redraw_buf_later(term->tl_buffer, NOT_VALID); + + /* The buffer is now like a normal buffer, it cannot be easily + * abandoned when changed. */ + set_string_option_direct((char_u *)"buftype", -1, + (char_u *)"", OPT_FREE|OPT_LOCAL, 0); + } +} + +/* + * Get the screen attribute for a position in the buffer. + * Use a negative "col" to get the filler background color. + */ + int +term_get_attr(buf_T *buf, linenr_T lnum, int col) +{ + term_T *term = buf->b_term; + sb_line_T *line; + cellattr_T *cellattr; + + if (lnum > term->tl_scrollback.ga_len) + cellattr = &term->tl_default_color; + else + { + line = (sb_line_T *)term->tl_scrollback.ga_data + lnum - 1; + if (col < 0 || col >= line->sb_cols) + cellattr = &line->sb_fill_attr; + else + cellattr = line->sb_cells + col; + } + return cell2attr(cellattr->attrs, cellattr->fg, cellattr->bg); +} + +/* + * Convert a cterm color number 0 - 255 to RGB. + * This is compatible with xterm. + */ + static void +cterm_color2vterm(int nr, VTermColor *rgb) +{ + cterm_color2rgb(nr, &rgb->red, &rgb->green, &rgb->blue, &rgb->ansi_index); +} + +/* + * Initialize term->tl_default_color from the environment. + */ + static void +init_default_colors(term_T *term) +{ + VTermColor *fg, *bg; + int fgval, bgval; + int id; + + vim_memset(&term->tl_default_color.attrs, 0, sizeof(VTermScreenCellAttrs)); + term->tl_default_color.width = 1; + fg = &term->tl_default_color.fg; + bg = &term->tl_default_color.bg; + + /* Vterm uses a default black background. Set it to white when + * 'background' is "light". */ + if (*p_bg == 'l') + { + fgval = 0; + bgval = 255; + } + else + { + fgval = 255; + bgval = 0; + } + fg->red = fg->green = fg->blue = fgval; + bg->red = bg->green = bg->blue = bgval; + fg->ansi_index = bg->ansi_index = VTERM_ANSI_INDEX_DEFAULT; + + /* The "Terminal" highlight group overrules the defaults. */ + id = syn_name2id((char_u *)"Terminal"); + + /* Use the actual color for the GUI and when 'termguicolors' is set. */ +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + if (0 +# ifdef FEAT_GUI + || gui.in_use +# endif +# ifdef FEAT_TERMGUICOLORS + || p_tgc +# ifdef FEAT_VTP + /* Finally get INVALCOLOR on this execution path */ + || (!p_tgc && t_colors >= 256) +# endif +# endif + ) + { + guicolor_T fg_rgb = INVALCOLOR; + guicolor_T bg_rgb = INVALCOLOR; + + if (id != 0) + syn_id2colors(id, &fg_rgb, &bg_rgb); + +# ifdef FEAT_GUI + if (gui.in_use) + { + if (fg_rgb == INVALCOLOR) + fg_rgb = gui.norm_pixel; + if (bg_rgb == INVALCOLOR) + bg_rgb = gui.back_pixel; + } +# ifdef FEAT_TERMGUICOLORS + else +# endif +# endif +# ifdef FEAT_TERMGUICOLORS + { + if (fg_rgb == INVALCOLOR) + fg_rgb = cterm_normal_fg_gui_color; + if (bg_rgb == INVALCOLOR) + bg_rgb = cterm_normal_bg_gui_color; + } +# endif + if (fg_rgb != INVALCOLOR) + { + long_u rgb = GUI_MCH_GET_RGB(fg_rgb); + + fg->red = (unsigned)(rgb >> 16); + fg->green = (unsigned)(rgb >> 8) & 255; + fg->blue = (unsigned)rgb & 255; + } + if (bg_rgb != INVALCOLOR) + { + long_u rgb = GUI_MCH_GET_RGB(bg_rgb); + + bg->red = (unsigned)(rgb >> 16); + bg->green = (unsigned)(rgb >> 8) & 255; + bg->blue = (unsigned)rgb & 255; + } + } + else +#endif + if (id != 0 && t_colors >= 16) + { + if (term_default_cterm_fg >= 0) + cterm_color2vterm(term_default_cterm_fg, fg); + if (term_default_cterm_bg >= 0) + cterm_color2vterm(term_default_cterm_bg, bg); + } + else + { +#if defined(WIN3264) && !defined(FEAT_GUI_W32) + int tmp; +#endif + + /* In an MS-Windows console we know the normal colors. */ + if (cterm_normal_fg_color > 0) + { + cterm_color2vterm(cterm_normal_fg_color - 1, fg); +# if defined(WIN3264) && !defined(FEAT_GUI_W32) + tmp = fg->red; + fg->red = fg->blue; + fg->blue = tmp; +# endif + } +# ifdef FEAT_TERMRESPONSE + else + term_get_fg_color(&fg->red, &fg->green, &fg->blue); +# endif + + if (cterm_normal_bg_color > 0) + { + cterm_color2vterm(cterm_normal_bg_color - 1, bg); +# if defined(WIN3264) && !defined(FEAT_GUI_W32) + tmp = bg->red; + bg->red = bg->blue; + bg->blue = tmp; +# endif + } +# ifdef FEAT_TERMRESPONSE + else + term_get_bg_color(&bg->red, &bg->green, &bg->blue); +# endif + } +} + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) +/* + * Set the 16 ANSI colors from array of RGB values + */ + static void +set_vterm_palette(VTerm *vterm, long_u *rgb) +{ + int index = 0; + VTermState *state = vterm_obtain_state(vterm); + + for (; index < 16; index++) + { + VTermColor color; + color.red = (unsigned)(rgb[index] >> 16); + color.green = (unsigned)(rgb[index] >> 8) & 255; + color.blue = (unsigned)rgb[index] & 255; + vterm_state_set_palette_color(state, index, &color); + } +} + +/* + * Set the ANSI color palette from a list of colors + */ + static int +set_ansi_colors_list(VTerm *vterm, list_T *list) +{ + int n = 0; + long_u rgb[16]; + listitem_T *li = list->lv_first; + + for (; li != NULL && n < 16; li = li->li_next, n++) + { + char_u *color_name; + guicolor_T guicolor; + + color_name = tv_get_string_chk(&li->li_tv); + if (color_name == NULL) + return FAIL; + + guicolor = GUI_GET_COLOR(color_name); + if (guicolor == INVALCOLOR) + return FAIL; + + rgb[n] = GUI_MCH_GET_RGB(guicolor); + } + + if (n != 16 || li != NULL) + return FAIL; + + set_vterm_palette(vterm, rgb); + + return OK; +} + +/* + * Initialize the ANSI color palette from g:terminal_ansi_colors[0:15] + */ + static void +init_vterm_ansi_colors(VTerm *vterm) +{ + dictitem_T *var = find_var((char_u *)"g:terminal_ansi_colors", NULL, TRUE); + + if (var != NULL + && (var->di_tv.v_type != VAR_LIST + || var->di_tv.vval.v_list == NULL + || set_ansi_colors_list(vterm, var->di_tv.vval.v_list) == FAIL)) + semsg(_(e_invarg2), "g:terminal_ansi_colors"); +} +#endif + +/* + * Handles a "drop" command from the job in the terminal. + * "item" is the file name, "item->li_next" may have options. + */ + static void +handle_drop_command(listitem_T *item) +{ + char_u *fname = tv_get_string(&item->li_tv); + listitem_T *opt_item = item->li_next; + int bufnr; + win_T *wp; + tabpage_T *tp; + exarg_T ea; + char_u *tofree = NULL; + + bufnr = buflist_add(fname, BLN_LISTED | BLN_NOOPT); + FOR_ALL_TAB_WINDOWS(tp, wp) + { + if (wp->w_buffer->b_fnum == bufnr) + { + /* buffer is in a window already, go there */ + goto_tabpage_win(tp, wp); + return; + } + } + + vim_memset(&ea, 0, sizeof(ea)); + + if (opt_item != NULL && opt_item->li_tv.v_type == VAR_DICT + && opt_item->li_tv.vval.v_dict != NULL) + { + dict_T *dict = opt_item->li_tv.vval.v_dict; + char_u *p; + + p = dict_get_string(dict, (char_u *)"ff", FALSE); + if (p == NULL) + p = dict_get_string(dict, (char_u *)"fileformat", FALSE); + if (p != NULL) + { + if (check_ff_value(p) == FAIL) + ch_log(NULL, "Invalid ff argument to drop: %s", p); + else + ea.force_ff = *p; + } + p = dict_get_string(dict, (char_u *)"enc", FALSE); + if (p == NULL) + p = dict_get_string(dict, (char_u *)"encoding", FALSE); + if (p != NULL) + { + ea.cmd = alloc((int)STRLEN(p) + 12); + if (ea.cmd != NULL) + { + sprintf((char *)ea.cmd, "sbuf ++enc=%s", p); + ea.force_enc = 11; + tofree = ea.cmd; + } + } + + p = dict_get_string(dict, (char_u *)"bad", FALSE); + if (p != NULL) + get_bad_opt(p, &ea); + + if (dict_find(dict, (char_u *)"bin", -1) != NULL) + ea.force_bin = FORCE_BIN; + if (dict_find(dict, (char_u *)"binary", -1) != NULL) + ea.force_bin = FORCE_BIN; + if (dict_find(dict, (char_u *)"nobin", -1) != NULL) + ea.force_bin = FORCE_NOBIN; + if (dict_find(dict, (char_u *)"nobinary", -1) != NULL) + ea.force_bin = FORCE_NOBIN; + } + + /* open in new window, like ":split fname" */ + if (ea.cmd == NULL) + ea.cmd = (char_u *)"split"; + ea.arg = fname; + ea.cmdidx = CMD_split; + ex_splitview(&ea); + + vim_free(tofree); +} + +/* + * Handles a function call from the job running in a terminal. + * "item" is the function name, "item->li_next" has the arguments. + */ + static void +handle_call_command(term_T *term, channel_T *channel, listitem_T *item) +{ + char_u *func; + typval_T argvars[2]; + typval_T rettv; + int doesrange; + + if (item->li_next == NULL) + { + ch_log(channel, "Missing function arguments for call"); + return; + } + func = tv_get_string(&item->li_tv); + + if (STRNCMP(func, "Tapi_", 5) != 0) + { + ch_log(channel, "Invalid function name: %s", func); + return; + } + + argvars[0].v_type = VAR_NUMBER; + argvars[0].vval.v_number = term->tl_buffer->b_fnum; + argvars[1] = item->li_next->li_tv; + if (call_func(func, (int)STRLEN(func), &rettv, + 2, argvars, /* argv_func */ NULL, + /* firstline */ 1, /* lastline */ 1, + &doesrange, /* evaluate */ TRUE, + /* partial */ NULL, /* selfdict */ NULL) == OK) + { + clear_tv(&rettv); + ch_log(channel, "Function %s called", func); + } + else + ch_log(channel, "Calling function %s failed", func); +} + +/* + * Called by libvterm when it cannot recognize an OSC sequence. + * We recognize a terminal API command. + */ + static int +parse_osc(const char *command, size_t cmdlen, void *user) +{ + term_T *term = (term_T *)user; + js_read_T reader; + typval_T tv; + channel_T *channel = term->tl_job == NULL ? NULL + : term->tl_job->jv_channel; + + /* We recognize only OSC 5 1 ; {command} */ + if (cmdlen < 3 || STRNCMP(command, "51;", 3) != 0) + return 0; /* not handled */ + + reader.js_buf = vim_strnsave((char_u *)command + 3, (int)(cmdlen - 3)); + if (reader.js_buf == NULL) + return 1; + reader.js_fill = NULL; + reader.js_used = 0; + if (json_decode(&reader, &tv, 0) == OK + && tv.v_type == VAR_LIST + && tv.vval.v_list != NULL) + { + listitem_T *item = tv.vval.v_list->lv_first; + + if (item == NULL) + ch_log(channel, "Missing command"); + else + { + char_u *cmd = tv_get_string(&item->li_tv); + + /* Make sure an invoked command doesn't delete the buffer (and the + * terminal) under our fingers. */ + ++term->tl_buffer->b_locked; + + item = item->li_next; + if (item == NULL) + ch_log(channel, "Missing argument for %s", cmd); + else if (STRCMP(cmd, "drop") == 0) + handle_drop_command(item); + else if (STRCMP(cmd, "call") == 0) + handle_call_command(term, channel, item); + else + ch_log(channel, "Invalid command received: %s", cmd); + --term->tl_buffer->b_locked; + } + } + else + ch_log(channel, "Invalid JSON received"); + + vim_free(reader.js_buf); + clear_tv(&tv); + return 1; +} + +static VTermParserCallbacks parser_fallbacks = { + NULL, /* text */ + NULL, /* control */ + NULL, /* escape */ + NULL, /* csi */ + parse_osc, /* osc */ + NULL, /* dcs */ + NULL /* resize */ +}; + +/* + * Use Vim's allocation functions for vterm so profiling works. + */ + static void * +vterm_malloc(size_t size, void *data UNUSED) +{ + return alloc_clear((unsigned) size); +} + + static void +vterm_memfree(void *ptr, void *data UNUSED) +{ + vim_free(ptr); +} + +static VTermAllocatorFunctions vterm_allocator = { + &vterm_malloc, + &vterm_memfree +}; + +/* + * Create a new vterm and initialize it. + * Return FAIL when out of memory. + */ + static int +create_vterm(term_T *term, int rows, int cols) +{ + VTerm *vterm; + VTermScreen *screen; + VTermState *state; + VTermValue value; + + vterm = vterm_new_with_allocator(rows, cols, &vterm_allocator, NULL); + term->tl_vterm = vterm; + if (vterm == NULL) + return FAIL; + + // Allocate screen and state here, so we can bail out if that fails. + state = vterm_obtain_state(vterm); + screen = vterm_obtain_screen(vterm); + if (state == NULL || screen == NULL) + { + vterm_free(vterm); + return FAIL; + } + + vterm_screen_set_callbacks(screen, &screen_callbacks, term); + /* TODO: depends on 'encoding'. */ + vterm_set_utf8(vterm, 1); + + init_default_colors(term); + + vterm_state_set_default_colors( + state, + &term->tl_default_color.fg, + &term->tl_default_color.bg); + + if (t_colors >= 16) + vterm_state_set_bold_highbright(vterm_obtain_state(vterm), 1); + + /* Required to initialize most things. */ + vterm_screen_reset(screen, 1 /* hard */); + + /* Allow using alternate screen. */ + vterm_screen_enable_altscreen(screen, 1); + + /* For unix do not use a blinking cursor. In an xterm this causes the + * cursor to blink if it's blinking in the xterm. + * For Windows we respect the system wide setting. */ +#ifdef WIN3264 + if (GetCaretBlinkTime() == INFINITE) + value.boolean = 0; + else + value.boolean = 1; +#else + value.boolean = 0; +#endif + vterm_state_set_termprop(state, VTERM_PROP_CURSORBLINK, &value); + vterm_state_set_unrecognised_fallbacks(state, &parser_fallbacks, term); + + return OK; +} + +/* + * Return the text to show for the buffer name and status. + */ + char_u * +term_get_status_text(term_T *term) +{ + if (term->tl_status_text == NULL) + { + char_u *txt; + size_t len; + + if (term->tl_normal_mode) + { + if (term_job_running(term)) + txt = (char_u *)_("Terminal"); + else + txt = (char_u *)_("Terminal-finished"); + } + else if (term->tl_title != NULL) + txt = term->tl_title; + else if (term_none_open(term)) + txt = (char_u *)_("active"); + else if (term_job_running(term)) + txt = (char_u *)_("running"); + else + txt = (char_u *)_("finished"); + len = 9 + STRLEN(term->tl_buffer->b_fname) + STRLEN(txt); + term->tl_status_text = alloc((int)len); + if (term->tl_status_text != NULL) + vim_snprintf((char *)term->tl_status_text, len, "%s [%s]", + term->tl_buffer->b_fname, txt); + } + return term->tl_status_text; +} + +/* + * Mark references in jobs of terminals. + */ + int +set_ref_in_term(int copyID) +{ + int abort = FALSE; + term_T *term; + typval_T tv; + + for (term = first_term; term != NULL; term = term->tl_next) + if (term->tl_job != NULL) + { + tv.v_type = VAR_JOB; + tv.vval.v_job = term->tl_job; + abort = abort || set_ref_in_item(&tv, copyID, NULL, NULL); + } + return abort; +} + +/* + * Cache "Terminal" highlight group colors. + */ + void +set_terminal_default_colors(int cterm_fg, int cterm_bg) +{ + term_default_cterm_fg = cterm_fg - 1; + term_default_cterm_bg = cterm_bg - 1; +} + +/* + * Get the buffer from the first argument in "argvars". + * Returns NULL when the buffer is not for a terminal window and logs a message + * with "where". + */ + static buf_T * +term_get_buf(typval_T *argvars, char *where) +{ + buf_T *buf; + + (void)tv_get_number(&argvars[0]); /* issue errmsg if type error */ + ++emsg_off; + buf = tv_get_buf(&argvars[0], FALSE); + --emsg_off; + if (buf == NULL || buf->b_term == NULL) + { + ch_log(NULL, "%s: invalid buffer argument", where); + return NULL; + } + return buf; +} + + static int +same_color(VTermColor *a, VTermColor *b) +{ + return a->red == b->red + && a->green == b->green + && a->blue == b->blue + && a->ansi_index == b->ansi_index; +} + + static void +dump_term_color(FILE *fd, VTermColor *color) +{ + fprintf(fd, "%02x%02x%02x%d", + (int)color->red, (int)color->green, (int)color->blue, + (int)color->ansi_index); +} + +/* + * "term_dumpwrite(buf, filename, options)" function + * + * Each screen cell in full is: + * |{characters}+{attributes}#{fg-color}{color-idx}#{bg-color}{color-idx} + * {characters} is a space for an empty cell + * For a double-width character "+" is changed to "*" and the next cell is + * skipped. + * {attributes} is the decimal value of HL_BOLD + HL_UNDERLINE, etc. + * when "&" use the same as the previous cell. + * {fg-color} is hex RGB, when "&" use the same as the previous cell. + * {bg-color} is hex RGB, when "&" use the same as the previous cell. + * {color-idx} is a number from 0 to 255 + * + * Screen cell with same width, attributes and color as the previous one: + * |{characters} + * + * To use the color of the previous cell, use "&" instead of {color}-{idx}. + * + * Repeating the previous screen cell: + * @{count} + */ + void +f_term_dumpwrite(typval_T *argvars, typval_T *rettv UNUSED) +{ + buf_T *buf = term_get_buf(argvars, "term_dumpwrite()"); + term_T *term; + char_u *fname; + int max_height = 0; + int max_width = 0; + stat_T st; + FILE *fd; + VTermPos pos; + VTermScreen *screen; + VTermScreenCell prev_cell; + VTermState *state; + VTermPos cursor_pos; + + if (check_restricted() || check_secure()) + return; + if (buf == NULL) + return; + term = buf->b_term; + if (term->tl_vterm == NULL) + { + emsg(_("E958: Job already finished")); + return; + } + + if (argvars[2].v_type != VAR_UNKNOWN) + { + dict_T *d; + + if (argvars[2].v_type != VAR_DICT) + { + emsg(_(e_dictreq)); + return; + } + d = argvars[2].vval.v_dict; + if (d != NULL) + { + max_height = dict_get_number(d, (char_u *)"rows"); + max_width = dict_get_number(d, (char_u *)"columns"); + } + } + + fname = tv_get_string_chk(&argvars[1]); + if (fname == NULL) + return; + if (mch_stat((char *)fname, &st) >= 0) + { + semsg(_("E953: File exists: %s"), fname); + return; + } + + if (*fname == NUL || (fd = mch_fopen((char *)fname, WRITEBIN)) == NULL) + { + semsg(_(e_notcreate), *fname == NUL ? (char_u *)_("<empty>") : fname); + return; + } + + vim_memset(&prev_cell, 0, sizeof(prev_cell)); + + screen = vterm_obtain_screen(term->tl_vterm); + state = vterm_obtain_state(term->tl_vterm); + vterm_state_get_cursorpos(state, &cursor_pos); + + for (pos.row = 0; (max_height == 0 || pos.row < max_height) + && pos.row < term->tl_rows; ++pos.row) + { + int repeat = 0; + + for (pos.col = 0; (max_width == 0 || pos.col < max_width) + && pos.col < term->tl_cols; ++pos.col) + { + VTermScreenCell cell; + int same_attr; + int same_chars = TRUE; + int i; + int is_cursor_pos = (pos.col == cursor_pos.col + && pos.row == cursor_pos.row); + + if (vterm_screen_get_cell(screen, pos, &cell) == 0) + vim_memset(&cell, 0, sizeof(cell)); + + for (i = 0; i < VTERM_MAX_CHARS_PER_CELL; ++i) + { + int c = cell.chars[i]; + int pc = prev_cell.chars[i]; + + /* For the first character NUL is the same as space. */ + if (i == 0) + { + c = (c == NUL) ? ' ' : c; + pc = (pc == NUL) ? ' ' : pc; + } + if (c != pc) + same_chars = FALSE; + if (c == NUL || pc == NUL) + break; + } + same_attr = vtermAttr2hl(cell.attrs) + == vtermAttr2hl(prev_cell.attrs) + && same_color(&cell.fg, &prev_cell.fg) + && same_color(&cell.bg, &prev_cell.bg); + if (same_chars && cell.width == prev_cell.width && same_attr + && !is_cursor_pos) + { + ++repeat; + } + else + { + if (repeat > 0) + { + fprintf(fd, "@%d", repeat); + repeat = 0; + } + fputs(is_cursor_pos ? ">" : "|", fd); + + if (cell.chars[0] == NUL) + fputs(" ", fd); + else + { + char_u charbuf[10]; + int len; + + for (i = 0; i < VTERM_MAX_CHARS_PER_CELL + && cell.chars[i] != NUL; ++i) + { + len = utf_char2bytes(cell.chars[i], charbuf); + fwrite(charbuf, len, 1, fd); + } + } + + /* When only the characters differ we don't write anything, the + * following "|", "@" or NL will indicate using the same + * attributes. */ + if (cell.width != prev_cell.width || !same_attr) + { + if (cell.width == 2) + { + fputs("*", fd); + } + else + fputs("+", fd); + + if (same_attr) + { + fputs("&", fd); + } + else + { + fprintf(fd, "%d", vtermAttr2hl(cell.attrs)); + if (same_color(&cell.fg, &prev_cell.fg)) + fputs("&", fd); + else + { + fputs("#", fd); + dump_term_color(fd, &cell.fg); + } + if (same_color(&cell.bg, &prev_cell.bg)) + fputs("&", fd); + else + { + fputs("#", fd); + dump_term_color(fd, &cell.bg); + } + } + } + + prev_cell = cell; + } + + if (cell.width == 2) + ++pos.col; + } + if (repeat > 0) + fprintf(fd, "@%d", repeat); + fputs("\n", fd); + } + + fclose(fd); +} + +/* + * Called when a dump is corrupted. Put a breakpoint here when debugging. + */ + static void +dump_is_corrupt(garray_T *gap) +{ + ga_concat(gap, (char_u *)"CORRUPT"); +} + + static void +append_cell(garray_T *gap, cellattr_T *cell) +{ + if (ga_grow(gap, 1) == OK) + { + *(((cellattr_T *)gap->ga_data) + gap->ga_len) = *cell; + ++gap->ga_len; + } +} + +/* + * Read the dump file from "fd" and append lines to the current buffer. + * Return the cell width of the longest line. + */ + static int +read_dump_file(FILE *fd, VTermPos *cursor_pos) +{ + int c; + garray_T ga_text; + garray_T ga_cell; + char_u *prev_char = NULL; + int attr = 0; + cellattr_T cell; + cellattr_T empty_cell; + term_T *term = curbuf->b_term; + int max_cells = 0; + int start_row = term->tl_scrollback.ga_len; + + ga_init2(&ga_text, 1, 90); + ga_init2(&ga_cell, sizeof(cellattr_T), 90); + vim_memset(&cell, 0, sizeof(cell)); + vim_memset(&empty_cell, 0, sizeof(empty_cell)); + cursor_pos->row = -1; + cursor_pos->col = -1; + + c = fgetc(fd); + for (;;) + { + if (c == EOF) + break; + if (c == '\r') + { + // DOS line endings? Ignore. + c = fgetc(fd); + } + else if (c == '\n') + { + /* End of a line: append it to the buffer. */ + if (ga_text.ga_data == NULL) + dump_is_corrupt(&ga_text); + if (ga_grow(&term->tl_scrollback, 1) == OK) + { + sb_line_T *line = (sb_line_T *)term->tl_scrollback.ga_data + + term->tl_scrollback.ga_len; + + if (max_cells < ga_cell.ga_len) + max_cells = ga_cell.ga_len; + line->sb_cols = ga_cell.ga_len; + line->sb_cells = ga_cell.ga_data; + line->sb_fill_attr = term->tl_default_color; + ++term->tl_scrollback.ga_len; + ga_init(&ga_cell); + + ga_append(&ga_text, NUL); + ml_append(curbuf->b_ml.ml_line_count, ga_text.ga_data, + ga_text.ga_len, FALSE); + } + else + ga_clear(&ga_cell); + ga_text.ga_len = 0; + + c = fgetc(fd); + } + else if (c == '|' || c == '>') + { + int prev_len = ga_text.ga_len; + + if (c == '>') + { + if (cursor_pos->row != -1) + dump_is_corrupt(&ga_text); /* duplicate cursor */ + cursor_pos->row = term->tl_scrollback.ga_len - start_row; + cursor_pos->col = ga_cell.ga_len; + } + + /* normal character(s) followed by "+", "*", "|", "@" or NL */ + c = fgetc(fd); + if (c != EOF) + ga_append(&ga_text, c); + for (;;) + { + c = fgetc(fd); + if (c == '+' || c == '*' || c == '|' || c == '>' || c == '@' + || c == EOF || c == '\n') + break; + ga_append(&ga_text, c); + } + + /* save the character for repeating it */ + vim_free(prev_char); + if (ga_text.ga_data != NULL) + prev_char = vim_strnsave(((char_u *)ga_text.ga_data) + prev_len, + ga_text.ga_len - prev_len); + + if (c == '@' || c == '|' || c == '>' || c == '\n') + { + /* use all attributes from previous cell */ + } + else if (c == '+' || c == '*') + { + int is_bg; + + cell.width = c == '+' ? 1 : 2; + + c = fgetc(fd); + if (c == '&') + { + /* use same attr as previous cell */ + c = fgetc(fd); + } + else if (isdigit(c)) + { + /* get the decimal attribute */ + attr = 0; + while (isdigit(c)) + { + attr = attr * 10 + (c - '0'); + c = fgetc(fd); + } + hl2vtermAttr(attr, &cell); + + /* is_bg == 0: fg, is_bg == 1: bg */ + for (is_bg = 0; is_bg <= 1; ++is_bg) + { + if (c == '&') + { + /* use same color as previous cell */ + c = fgetc(fd); + } + else if (c == '#') + { + int red, green, blue, index = 0; + + c = fgetc(fd); + red = hex2nr(c); + c = fgetc(fd); + red = (red << 4) + hex2nr(c); + c = fgetc(fd); + green = hex2nr(c); + c = fgetc(fd); + green = (green << 4) + hex2nr(c); + c = fgetc(fd); + blue = hex2nr(c); + c = fgetc(fd); + blue = (blue << 4) + hex2nr(c); + c = fgetc(fd); + if (!isdigit(c)) + dump_is_corrupt(&ga_text); + while (isdigit(c)) + { + index = index * 10 + (c - '0'); + c = fgetc(fd); + } + + if (is_bg) + { + cell.bg.red = red; + cell.bg.green = green; + cell.bg.blue = blue; + cell.bg.ansi_index = index; + } + else + { + cell.fg.red = red; + cell.fg.green = green; + cell.fg.blue = blue; + cell.fg.ansi_index = index; + } + } + else + dump_is_corrupt(&ga_text); + } + } + else + dump_is_corrupt(&ga_text); + } + else + dump_is_corrupt(&ga_text); + + append_cell(&ga_cell, &cell); + if (cell.width == 2) + append_cell(&ga_cell, &empty_cell); + } + else if (c == '@') + { + if (prev_char == NULL) + dump_is_corrupt(&ga_text); + else + { + int count = 0; + + /* repeat previous character, get the count */ + for (;;) + { + c = fgetc(fd); + if (!isdigit(c)) + break; + count = count * 10 + (c - '0'); + } + + while (count-- > 0) + { + ga_concat(&ga_text, prev_char); + append_cell(&ga_cell, &cell); + } + } + } + else + { + dump_is_corrupt(&ga_text); + c = fgetc(fd); + } + } + + if (ga_text.ga_len > 0) + { + /* trailing characters after last NL */ + dump_is_corrupt(&ga_text); + ga_append(&ga_text, NUL); + ml_append(curbuf->b_ml.ml_line_count, ga_text.ga_data, + ga_text.ga_len, FALSE); + } + + ga_clear(&ga_text); + vim_free(prev_char); + + return max_cells; +} + +/* + * Return an allocated string with at least "text_width" "=" characters and + * "fname" inserted in the middle. + */ + static char_u * +get_separator(int text_width, char_u *fname) +{ + int width = MAX(text_width, curwin->w_width); + char_u *textline; + int fname_size; + char_u *p = fname; + int i; + size_t off; + + textline = alloc(width + (int)STRLEN(fname) + 1); + if (textline == NULL) + return NULL; + + fname_size = vim_strsize(fname); + if (fname_size < width - 8) + { + /* enough room, don't use the full window width */ + width = MAX(text_width, fname_size + 8); + } + else if (fname_size > width - 8) + { + /* full name doesn't fit, use only the tail */ + p = gettail(fname); + fname_size = vim_strsize(p); + } + /* skip characters until the name fits */ + while (fname_size > width - 8) + { + p += (*mb_ptr2len)(p); + fname_size = vim_strsize(p); + } + + for (i = 0; i < (width - fname_size) / 2 - 1; ++i) + textline[i] = '='; + textline[i++] = ' '; + + STRCPY(textline + i, p); + off = STRLEN(textline); + textline[off] = ' '; + for (i = 1; i < (width - fname_size) / 2; ++i) + textline[off + i] = '='; + textline[off + i] = NUL; + + return textline; +} + +/* + * Common for "term_dumpdiff()" and "term_dumpload()". + */ + static void +term_load_dump(typval_T *argvars, typval_T *rettv, int do_diff) +{ + jobopt_T opt; + buf_T *buf; + char_u buf1[NUMBUFLEN]; + char_u buf2[NUMBUFLEN]; + char_u *fname1; + char_u *fname2 = NULL; + char_u *fname_tofree = NULL; + FILE *fd1; + FILE *fd2 = NULL; + char_u *textline = NULL; + + /* First open the files. If this fails bail out. */ + fname1 = tv_get_string_buf_chk(&argvars[0], buf1); + if (do_diff) + fname2 = tv_get_string_buf_chk(&argvars[1], buf2); + if (fname1 == NULL || (do_diff && fname2 == NULL)) + { + emsg(_(e_invarg)); + return; + } + fd1 = mch_fopen((char *)fname1, READBIN); + if (fd1 == NULL) + { + semsg(_(e_notread), fname1); + return; + } + if (do_diff) + { + fd2 = mch_fopen((char *)fname2, READBIN); + if (fd2 == NULL) + { + fclose(fd1); + semsg(_(e_notread), fname2); + return; + } + } + + init_job_options(&opt); + if (argvars[do_diff ? 2 : 1].v_type != VAR_UNKNOWN + && get_job_options(&argvars[do_diff ? 2 : 1], &opt, 0, + JO2_TERM_NAME + JO2_TERM_COLS + JO2_TERM_ROWS + + JO2_VERTICAL + JO2_CURWIN + JO2_NORESTORE) == FAIL) + goto theend; + + if (opt.jo_term_name == NULL) + { + size_t len = STRLEN(fname1) + 12; + + fname_tofree = alloc((int)len); + if (fname_tofree != NULL) + { + vim_snprintf((char *)fname_tofree, len, "dump diff %s", fname1); + opt.jo_term_name = fname_tofree; + } + } + + buf = term_start(&argvars[0], NULL, &opt, TERM_START_NOJOB); + if (buf != NULL && buf->b_term != NULL) + { + int i; + linenr_T bot_lnum; + linenr_T lnum; + term_T *term = buf->b_term; + int width; + int width2; + VTermPos cursor_pos1; + VTermPos cursor_pos2; + + init_default_colors(term); + + rettv->vval.v_number = buf->b_fnum; + + /* read the files, fill the buffer with the diff */ + width = read_dump_file(fd1, &cursor_pos1); + + /* position the cursor */ + if (cursor_pos1.row >= 0) + { + curwin->w_cursor.lnum = cursor_pos1.row + 1; + coladvance(cursor_pos1.col); + } + + /* Delete the empty line that was in the empty buffer. */ + ml_delete(1, FALSE); + + /* For term_dumpload() we are done here. */ + if (!do_diff) + goto theend; + + term->tl_top_diff_rows = curbuf->b_ml.ml_line_count; + + textline = get_separator(width, fname1); + if (textline == NULL) + goto theend; + if (add_empty_scrollback(term, &term->tl_default_color, 0) == OK) + ml_append(curbuf->b_ml.ml_line_count, textline, 0, FALSE); + vim_free(textline); + + textline = get_separator(width, fname2); + if (textline == NULL) + goto theend; + if (add_empty_scrollback(term, &term->tl_default_color, 0) == OK) + ml_append(curbuf->b_ml.ml_line_count, textline, 0, FALSE); + textline[width] = NUL; + + bot_lnum = curbuf->b_ml.ml_line_count; + width2 = read_dump_file(fd2, &cursor_pos2); + if (width2 > width) + { + vim_free(textline); + textline = alloc(width2 + 1); + if (textline == NULL) + goto theend; + width = width2; + textline[width] = NUL; + } + term->tl_bot_diff_rows = curbuf->b_ml.ml_line_count - bot_lnum; + + for (lnum = 1; lnum <= term->tl_top_diff_rows; ++lnum) + { + if (lnum + bot_lnum > curbuf->b_ml.ml_line_count) + { + /* bottom part has fewer rows, fill with "-" */ + for (i = 0; i < width; ++i) + textline[i] = '-'; + } + else + { + char_u *line1; + char_u *line2; + char_u *p1; + char_u *p2; + int col; + sb_line_T *sb_line = (sb_line_T *)term->tl_scrollback.ga_data; + cellattr_T *cellattr1 = (sb_line + lnum - 1)->sb_cells; + cellattr_T *cellattr2 = (sb_line + lnum + bot_lnum - 1) + ->sb_cells; + + /* Make a copy, getting the second line will invalidate it. */ + line1 = vim_strsave(ml_get(lnum)); + if (line1 == NULL) + break; + p1 = line1; + + line2 = ml_get(lnum + bot_lnum); + p2 = line2; + for (col = 0; col < width && *p1 != NUL && *p2 != NUL; ++col) + { + int len1 = utfc_ptr2len(p1); + int len2 = utfc_ptr2len(p2); + + textline[col] = ' '; + if (len1 != len2 || STRNCMP(p1, p2, len1) != 0) + /* text differs */ + textline[col] = 'X'; + else if (lnum == cursor_pos1.row + 1 + && col == cursor_pos1.col + && (cursor_pos1.row != cursor_pos2.row + || cursor_pos1.col != cursor_pos2.col)) + /* cursor in first but not in second */ + textline[col] = '>'; + else if (lnum == cursor_pos2.row + 1 + && col == cursor_pos2.col + && (cursor_pos1.row != cursor_pos2.row + || cursor_pos1.col != cursor_pos2.col)) + /* cursor in second but not in first */ + textline[col] = '<'; + else if (cellattr1 != NULL && cellattr2 != NULL) + { + if ((cellattr1 + col)->width + != (cellattr2 + col)->width) + textline[col] = 'w'; + else if (!same_color(&(cellattr1 + col)->fg, + &(cellattr2 + col)->fg)) + textline[col] = 'f'; + else if (!same_color(&(cellattr1 + col)->bg, + &(cellattr2 + col)->bg)) + textline[col] = 'b'; + else if (vtermAttr2hl((cellattr1 + col)->attrs) + != vtermAttr2hl(((cellattr2 + col)->attrs))) + textline[col] = 'a'; + } + p1 += len1; + p2 += len2; + /* TODO: handle different width */ + } + vim_free(line1); + + while (col < width) + { + if (*p1 == NUL && *p2 == NUL) + textline[col] = '?'; + else if (*p1 == NUL) + { + textline[col] = '+'; + p2 += utfc_ptr2len(p2); + } + else + { + textline[col] = '-'; + p1 += utfc_ptr2len(p1); + } + ++col; + } + } + if (add_empty_scrollback(term, &term->tl_default_color, + term->tl_top_diff_rows) == OK) + ml_append(term->tl_top_diff_rows + lnum, textline, 0, FALSE); + ++bot_lnum; + } + + while (lnum + bot_lnum <= curbuf->b_ml.ml_line_count) + { + /* bottom part has more rows, fill with "+" */ + for (i = 0; i < width; ++i) + textline[i] = '+'; + if (add_empty_scrollback(term, &term->tl_default_color, + term->tl_top_diff_rows) == OK) + ml_append(term->tl_top_diff_rows + lnum, textline, 0, FALSE); + ++lnum; + ++bot_lnum; + } + + term->tl_cols = width; + + /* looks better without wrapping */ + curwin->w_p_wrap = 0; + } + +theend: + vim_free(textline); + vim_free(fname_tofree); + fclose(fd1); + if (fd2 != NULL) + fclose(fd2); +} + +/* + * If the current buffer shows the output of term_dumpdiff(), swap the top and + * bottom files. + * Return FAIL when this is not possible. + */ + int +term_swap_diff() +{ + term_T *term = curbuf->b_term; + linenr_T line_count; + linenr_T top_rows; + linenr_T bot_rows; + linenr_T bot_start; + linenr_T lnum; + char_u *p; + sb_line_T *sb_line; + + if (term == NULL + || !term_is_finished(curbuf) + || term->tl_top_diff_rows == 0 + || term->tl_scrollback.ga_len == 0) + return FAIL; + + line_count = curbuf->b_ml.ml_line_count; + top_rows = term->tl_top_diff_rows; + bot_rows = term->tl_bot_diff_rows; + bot_start = line_count - bot_rows; + sb_line = (sb_line_T *)term->tl_scrollback.ga_data; + + /* move lines from top to above the bottom part */ + for (lnum = 1; lnum <= top_rows; ++lnum) + { + p = vim_strsave(ml_get(1)); + if (p == NULL) + return OK; + ml_append(bot_start, p, 0, FALSE); + ml_delete(1, FALSE); + vim_free(p); + } + + /* move lines from bottom to the top */ + for (lnum = 1; lnum <= bot_rows; ++lnum) + { + p = vim_strsave(ml_get(bot_start + lnum)); + if (p == NULL) + return OK; + ml_delete(bot_start + lnum, FALSE); + ml_append(lnum - 1, p, 0, FALSE); + vim_free(p); + } + + if (top_rows == bot_rows) + { + /* rows counts are equal, can swap cell properties */ + for (lnum = 0; lnum < top_rows; ++lnum) + { + sb_line_T temp; + + temp = *(sb_line + lnum); + *(sb_line + lnum) = *(sb_line + bot_start + lnum); + *(sb_line + bot_start + lnum) = temp; + } + } + else + { + size_t size = sizeof(sb_line_T) * term->tl_scrollback.ga_len; + sb_line_T *temp = (sb_line_T *)alloc((int)size); + + /* need to copy cell properties into temp memory */ + if (temp != NULL) + { + mch_memmove(temp, term->tl_scrollback.ga_data, size); + mch_memmove(term->tl_scrollback.ga_data, + temp + bot_start, + sizeof(sb_line_T) * bot_rows); + mch_memmove((sb_line_T *)term->tl_scrollback.ga_data + bot_rows, + temp + top_rows, + sizeof(sb_line_T) * (line_count - top_rows - bot_rows)); + mch_memmove((sb_line_T *)term->tl_scrollback.ga_data + + line_count - top_rows, + temp, + sizeof(sb_line_T) * top_rows); + vim_free(temp); + } + } + + term->tl_top_diff_rows = bot_rows; + term->tl_bot_diff_rows = top_rows; + + update_screen(NOT_VALID); + return OK; +} + +/* + * "term_dumpdiff(filename, filename, options)" function + */ + void +f_term_dumpdiff(typval_T *argvars, typval_T *rettv) +{ + term_load_dump(argvars, rettv, TRUE); +} + +/* + * "term_dumpload(filename, options)" function + */ + void +f_term_dumpload(typval_T *argvars, typval_T *rettv) +{ + term_load_dump(argvars, rettv, FALSE); +} + +/* + * "term_getaltscreen(buf)" function + */ + void +f_term_getaltscreen(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getaltscreen()"); + + if (buf == NULL) + return; + rettv->vval.v_number = buf->b_term->tl_using_altscreen; +} + +/* + * "term_getattr(attr, name)" function + */ + void +f_term_getattr(typval_T *argvars, typval_T *rettv) +{ + int attr; + size_t i; + char_u *name; + + static struct { + char *name; + int attr; + } attrs[] = { + {"bold", HL_BOLD}, + {"italic", HL_ITALIC}, + {"underline", HL_UNDERLINE}, + {"strike", HL_STRIKETHROUGH}, + {"reverse", HL_INVERSE}, + }; + + attr = tv_get_number(&argvars[0]); + name = tv_get_string_chk(&argvars[1]); + if (name == NULL) + return; + + for (i = 0; i < sizeof(attrs)/sizeof(attrs[0]); ++i) + if (STRCMP(name, attrs[i].name) == 0) + { + rettv->vval.v_number = (attr & attrs[i].attr) != 0 ? 1 : 0; + break; + } +} + +/* + * "term_getcursor(buf)" function + */ + void +f_term_getcursor(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getcursor()"); + term_T *term; + list_T *l; + dict_T *d; + + if (rettv_list_alloc(rettv) == FAIL) + return; + if (buf == NULL) + return; + term = buf->b_term; + + l = rettv->vval.v_list; + list_append_number(l, term->tl_cursor_pos.row + 1); + list_append_number(l, term->tl_cursor_pos.col + 1); + + d = dict_alloc(); + if (d != NULL) + { + dict_add_number(d, "visible", term->tl_cursor_visible); + dict_add_number(d, "blink", blink_state_is_inverted() + ? !term->tl_cursor_blink : term->tl_cursor_blink); + dict_add_number(d, "shape", term->tl_cursor_shape); + dict_add_string(d, "color", cursor_color_get(term->tl_cursor_color)); + list_append_dict(l, d); + } +} + +/* + * "term_getjob(buf)" function + */ + void +f_term_getjob(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getjob()"); + + if (buf == NULL) + { + rettv->v_type = VAR_SPECIAL; + rettv->vval.v_number = VVAL_NULL; + return; + } + + rettv->v_type = VAR_JOB; + rettv->vval.v_job = buf->b_term->tl_job; + if (rettv->vval.v_job != NULL) + ++rettv->vval.v_job->jv_refcount; +} + + static int +get_row_number(typval_T *tv, term_T *term) +{ + if (tv->v_type == VAR_STRING + && tv->vval.v_string != NULL + && STRCMP(tv->vval.v_string, ".") == 0) + return term->tl_cursor_pos.row; + return (int)tv_get_number(tv) - 1; +} + +/* + * "term_getline(buf, row)" function + */ + void +f_term_getline(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getline()"); + term_T *term; + int row; + + rettv->v_type = VAR_STRING; + if (buf == NULL) + return; + term = buf->b_term; + row = get_row_number(&argvars[1], term); + + if (term->tl_vterm == NULL) + { + linenr_T lnum = row + term->tl_scrollback_scrolled + 1; + + /* vterm is finished, get the text from the buffer */ + if (lnum > 0 && lnum <= buf->b_ml.ml_line_count) + rettv->vval.v_string = vim_strsave(ml_get_buf(buf, lnum, FALSE)); + } + else + { + VTermScreen *screen = vterm_obtain_screen(term->tl_vterm); + VTermRect rect; + int len; + char_u *p; + + if (row < 0 || row >= term->tl_rows) + return; + len = term->tl_cols * MB_MAXBYTES + 1; + p = alloc(len); + if (p == NULL) + return; + rettv->vval.v_string = p; + + rect.start_col = 0; + rect.end_col = term->tl_cols; + rect.start_row = row; + rect.end_row = row + 1; + p[vterm_screen_get_text(screen, (char *)p, len, rect)] = NUL; + } +} + +/* + * "term_getscrolled(buf)" function + */ + void +f_term_getscrolled(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getscrolled()"); + + if (buf == NULL) + return; + rettv->vval.v_number = buf->b_term->tl_scrollback_scrolled; +} + +/* + * "term_getsize(buf)" function + */ + void +f_term_getsize(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getsize()"); + list_T *l; + + if (rettv_list_alloc(rettv) == FAIL) + return; + if (buf == NULL) + return; + + l = rettv->vval.v_list; + list_append_number(l, buf->b_term->tl_rows); + list_append_number(l, buf->b_term->tl_cols); +} + +/* + * "term_setsize(buf, rows, cols)" function + */ + void +f_term_setsize(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ + buf_T *buf = term_get_buf(argvars, "term_setsize()"); + term_T *term; + varnumber_T rows, cols; + + if (buf == NULL) + { + emsg(_("E955: Not a terminal buffer")); + return; + } + if (buf->b_term->tl_vterm == NULL) + return; + term = buf->b_term; + rows = tv_get_number(&argvars[1]); + rows = rows <= 0 ? term->tl_rows : rows; + cols = tv_get_number(&argvars[2]); + cols = cols <= 0 ? term->tl_cols : cols; + vterm_set_size(term->tl_vterm, rows, cols); + /* handle_resize() will resize the windows */ + + /* Get and remember the size we ended up with. Update the pty. */ + vterm_get_size(term->tl_vterm, &term->tl_rows, &term->tl_cols); + term_report_winsize(term, term->tl_rows, term->tl_cols); +} + +/* + * "term_getstatus(buf)" function + */ + void +f_term_getstatus(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getstatus()"); + term_T *term; + char_u val[100]; + + rettv->v_type = VAR_STRING; + if (buf == NULL) + return; + term = buf->b_term; + + if (term_job_running(term)) + STRCPY(val, "running"); + else + STRCPY(val, "finished"); + if (term->tl_normal_mode) + STRCAT(val, ",normal"); + rettv->vval.v_string = vim_strsave(val); +} + +/* + * "term_gettitle(buf)" function + */ + void +f_term_gettitle(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_gettitle()"); + + rettv->v_type = VAR_STRING; + if (buf == NULL) + return; + + if (buf->b_term->tl_title != NULL) + rettv->vval.v_string = vim_strsave(buf->b_term->tl_title); +} + +/* + * "term_gettty(buf)" function + */ + void +f_term_gettty(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_gettty()"); + char_u *p = NULL; + int num = 0; + + rettv->v_type = VAR_STRING; + if (buf == NULL) + return; + if (argvars[1].v_type != VAR_UNKNOWN) + num = tv_get_number(&argvars[1]); + + switch (num) + { + case 0: + if (buf->b_term->tl_job != NULL) + p = buf->b_term->tl_job->jv_tty_out; + break; + case 1: + if (buf->b_term->tl_job != NULL) + p = buf->b_term->tl_job->jv_tty_in; + break; + default: + semsg(_(e_invarg2), tv_get_string(&argvars[1])); + return; + } + if (p != NULL) + rettv->vval.v_string = vim_strsave(p); +} + +/* + * "term_list()" function + */ + void +f_term_list(typval_T *argvars UNUSED, typval_T *rettv) +{ + term_T *tp; + list_T *l; + + if (rettv_list_alloc(rettv) == FAIL || first_term == NULL) + return; + + l = rettv->vval.v_list; + for (tp = first_term; tp != NULL; tp = tp->tl_next) + if (tp != NULL && tp->tl_buffer != NULL) + if (list_append_number(l, + (varnumber_T)tp->tl_buffer->b_fnum) == FAIL) + return; +} + +/* + * "term_scrape(buf, row)" function + */ + void +f_term_scrape(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_scrape()"); + VTermScreen *screen = NULL; + VTermPos pos; + list_T *l; + term_T *term; + char_u *p; + sb_line_T *line; + + if (rettv_list_alloc(rettv) == FAIL) + return; + if (buf == NULL) + return; + term = buf->b_term; + + l = rettv->vval.v_list; + pos.row = get_row_number(&argvars[1], term); + + if (term->tl_vterm != NULL) + { + screen = vterm_obtain_screen(term->tl_vterm); + if (screen == NULL) // can't really happen + return; + p = NULL; + line = NULL; + } + else + { + linenr_T lnum = pos.row + term->tl_scrollback_scrolled; + + if (lnum < 0 || lnum >= term->tl_scrollback.ga_len) + return; + p = ml_get_buf(buf, lnum + 1, FALSE); + line = (sb_line_T *)term->tl_scrollback.ga_data + lnum; + } + + for (pos.col = 0; pos.col < term->tl_cols; ) + { + dict_T *dcell; + int width; + VTermScreenCellAttrs attrs; + VTermColor fg, bg; + char_u rgb[8]; + char_u mbs[MB_MAXBYTES * VTERM_MAX_CHARS_PER_CELL + 1]; + int off = 0; + int i; + + if (screen == NULL) + { + cellattr_T *cellattr; + int len; + + /* vterm has finished, get the cell from scrollback */ + if (pos.col >= line->sb_cols) + break; + cellattr = line->sb_cells + pos.col; + width = cellattr->width; + attrs = cellattr->attrs; + fg = cellattr->fg; + bg = cellattr->bg; + len = MB_PTR2LEN(p); + mch_memmove(mbs, p, len); + mbs[len] = NUL; + p += len; + } + else + { + VTermScreenCell cell; + if (vterm_screen_get_cell(screen, pos, &cell) == 0) + break; + for (i = 0; i < VTERM_MAX_CHARS_PER_CELL; ++i) + { + if (cell.chars[i] == 0) + break; + off += (*utf_char2bytes)((int)cell.chars[i], mbs + off); + } + mbs[off] = NUL; + width = cell.width; + attrs = cell.attrs; + fg = cell.fg; + bg = cell.bg; + } + dcell = dict_alloc(); + if (dcell == NULL) + break; + list_append_dict(l, dcell); + + dict_add_string(dcell, "chars", mbs); + + vim_snprintf((char *)rgb, 8, "#%02x%02x%02x", + fg.red, fg.green, fg.blue); + dict_add_string(dcell, "fg", rgb); + vim_snprintf((char *)rgb, 8, "#%02x%02x%02x", + bg.red, bg.green, bg.blue); + dict_add_string(dcell, "bg", rgb); + + dict_add_number(dcell, "attr", cell2attr(attrs, fg, bg)); + dict_add_number(dcell, "width", width); + + ++pos.col; + if (width == 2) + ++pos.col; + } +} + +/* + * "term_sendkeys(buf, keys)" function + */ + void +f_term_sendkeys(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_sendkeys()"); + char_u *msg; + term_T *term; + + rettv->v_type = VAR_UNKNOWN; + if (buf == NULL) + return; + + msg = tv_get_string_chk(&argvars[1]); + if (msg == NULL) + return; + term = buf->b_term; + if (term->tl_vterm == NULL) + return; + + while (*msg != NUL) + { + int c; + + if (*msg == K_SPECIAL && msg[1] != NUL && msg[2] != NUL) + { + c = TO_SPECIAL(msg[1], msg[2]); + msg += 3; + } + else + { + c = PTR2CHAR(msg); + msg += MB_CPTR2LEN(msg); + } + send_keys_to_term(term, c, FALSE); + } +} + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) || defined(PROTO) +/* + * "term_getansicolors(buf)" function + */ + void +f_term_getansicolors(typval_T *argvars, typval_T *rettv) +{ + buf_T *buf = term_get_buf(argvars, "term_getansicolors()"); + term_T *term; + VTermState *state; + VTermColor color; + char_u hexbuf[10]; + int index; + list_T *list; + + if (rettv_list_alloc(rettv) == FAIL) + return; + + if (buf == NULL) + return; + term = buf->b_term; + if (term->tl_vterm == NULL) + return; + + list = rettv->vval.v_list; + state = vterm_obtain_state(term->tl_vterm); + for (index = 0; index < 16; index++) + { + vterm_state_get_palette_color(state, index, &color); + sprintf((char *)hexbuf, "#%02x%02x%02x", + color.red, color.green, color.blue); + if (list_append_string(list, hexbuf, 7) == FAIL) + return; + } +} + +/* + * "term_setansicolors(buf, list)" function + */ + void +f_term_setansicolors(typval_T *argvars, typval_T *rettv UNUSED) +{ + buf_T *buf = term_get_buf(argvars, "term_setansicolors()"); + term_T *term; + + if (buf == NULL) + return; + term = buf->b_term; + if (term->tl_vterm == NULL) + return; + + if (argvars[1].v_type != VAR_LIST || argvars[1].vval.v_list == NULL) + { + emsg(_(e_listreq)); + return; + } + + if (set_ansi_colors_list(term->tl_vterm, argvars[1].vval.v_list) == FAIL) + emsg(_(e_invarg)); +} +#endif + +/* + * "term_setrestore(buf, command)" function + */ + void +f_term_setrestore(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ +#if defined(FEAT_SESSION) + buf_T *buf = term_get_buf(argvars, "term_setrestore()"); + term_T *term; + char_u *cmd; + + if (buf == NULL) + return; + term = buf->b_term; + vim_free(term->tl_command); + cmd = tv_get_string_chk(&argvars[1]); + if (cmd != NULL) + term->tl_command = vim_strsave(cmd); + else + term->tl_command = NULL; +#endif +} + +/* + * "term_setkill(buf, how)" function + */ + void +f_term_setkill(typval_T *argvars UNUSED, typval_T *rettv UNUSED) +{ + buf_T *buf = term_get_buf(argvars, "term_setkill()"); + term_T *term; + char_u *how; + + if (buf == NULL) + return; + term = buf->b_term; + vim_free(term->tl_kill); + how = tv_get_string_chk(&argvars[1]); + if (how != NULL) + term->tl_kill = vim_strsave(how); + else + term->tl_kill = NULL; +} + +/* + * "term_start(command, options)" function + */ + void +f_term_start(typval_T *argvars, typval_T *rettv) +{ + jobopt_T opt; + buf_T *buf; + + init_job_options(&opt); + if (argvars[1].v_type != VAR_UNKNOWN + && get_job_options(&argvars[1], &opt, + JO_TIMEOUT_ALL + JO_STOPONEXIT + + JO_CALLBACK + JO_OUT_CALLBACK + JO_ERR_CALLBACK + + JO_EXIT_CB + JO_CLOSE_CALLBACK + JO_OUT_IO, + JO2_TERM_NAME + JO2_TERM_FINISH + JO2_HIDDEN + JO2_TERM_OPENCMD + + JO2_TERM_COLS + JO2_TERM_ROWS + JO2_VERTICAL + JO2_CURWIN + + JO2_CWD + JO2_ENV + JO2_EOF_CHARS + + JO2_NORESTORE + JO2_TERM_KILL + + JO2_ANSI_COLORS + JO2_TERM_MODE) == FAIL) + return; + + buf = term_start(&argvars[0], NULL, &opt, 0); + + if (buf != NULL && buf->b_term != NULL) + rettv->vval.v_number = buf->b_fnum; +} + +/* + * "term_wait" function + */ + void +f_term_wait(typval_T *argvars, typval_T *rettv UNUSED) +{ + buf_T *buf = term_get_buf(argvars, "term_wait()"); + + if (buf == NULL) + return; + if (buf->b_term->tl_job == NULL) + { + ch_log(NULL, "term_wait(): no job to wait for"); + return; + } + if (buf->b_term->tl_job->jv_channel == NULL) + /* channel is closed, nothing to do */ + return; + + /* Get the job status, this will detect a job that finished. */ + if (!buf->b_term->tl_job->jv_channel->ch_keep_open + && STRCMP(job_status(buf->b_term->tl_job), "dead") == 0) + { + /* The job is dead, keep reading channel I/O until the channel is + * closed. buf->b_term may become NULL if the terminal was closed while + * waiting. */ + ch_log(NULL, "term_wait(): waiting for channel to close"); + while (buf->b_term != NULL && !buf->b_term->tl_channel_closed) + { + mch_check_messages(); + parse_queued_messages(); + ui_delay(10L, FALSE); + if (!buf_valid(buf)) + /* If the terminal is closed when the channel is closed the + * buffer disappears. */ + break; + } + mch_check_messages(); + parse_queued_messages(); + } + else + { + long wait = 10L; + + mch_check_messages(); + parse_queued_messages(); + + /* Wait for some time for any channel I/O. */ + if (argvars[1].v_type != VAR_UNKNOWN) + wait = tv_get_number(&argvars[1]); + ui_delay(wait, TRUE); + mch_check_messages(); + + /* Flushing messages on channels is hopefully sufficient. + * TODO: is there a better way? */ + parse_queued_messages(); + } +} + +/* + * Called when a channel has sent all the lines to a terminal. + * Send a CTRL-D to mark the end of the text. + */ + void +term_send_eof(channel_T *ch) +{ + term_T *term; + + for (term = first_term; term != NULL; term = term->tl_next) + if (term->tl_job == ch->ch_job) + { + if (term->tl_eof_chars != NULL) + { + channel_send(ch, PART_IN, term->tl_eof_chars, + (int)STRLEN(term->tl_eof_chars), NULL); + channel_send(ch, PART_IN, (char_u *)"\r", 1, NULL); + } +# ifdef WIN3264 + else + /* Default: CTRL-D */ + channel_send(ch, PART_IN, (char_u *)"\004\r", 2, NULL); +# endif + } +} + +#if defined(FEAT_GUI) || defined(PROTO) + job_T * +term_getjob(term_T *term) +{ + return term != NULL ? term->tl_job : NULL; +} +#endif + +# if defined(WIN3264) || defined(PROTO) + +/************************************** + * 2. MS-Windows implementation. + */ + +HRESULT (WINAPI *pCreatePseudoConsole)(COORD, HANDLE, HANDLE, DWORD, HPCON*); +HRESULT (WINAPI *pResizePseudoConsole)(HPCON, COORD); +HRESULT (WINAPI *pClosePseudoConsole)(HPCON); +BOOL (*pInitializeProcThreadAttributeList)(LPPROC_THREAD_ATTRIBUTE_LIST, DWORD, DWORD, PSIZE_T); +BOOL (*pUpdateProcThreadAttribute)(LPPROC_THREAD_ATTRIBUTE_LIST, DWORD, DWORD_PTR, PVOID, SIZE_T, PVOID, PSIZE_T); +void (*pDeleteProcThreadAttributeList)(LPPROC_THREAD_ATTRIBUTE_LIST); + + static int +dyn_conpty_init(int verbose) +{ + static BOOL handled = FALSE; + static int result; + HMODULE hKerneldll; + int i; + static struct + { + char *name; + FARPROC *ptr; + } conpty_entry[] = + { + {"CreatePseudoConsole", (FARPROC*)&pCreatePseudoConsole}, + {"ResizePseudoConsole", (FARPROC*)&pResizePseudoConsole}, + {"ClosePseudoConsole", (FARPROC*)&pClosePseudoConsole}, + {"InitializeProcThreadAttributeList", + (FARPROC*)&pInitializeProcThreadAttributeList}, + {"UpdateProcThreadAttribute", + (FARPROC*)&pUpdateProcThreadAttribute}, + {"DeleteProcThreadAttributeList", + (FARPROC*)&pDeleteProcThreadAttributeList}, + {NULL, NULL} + }; + + if (handled) + return result; + + if (!has_vtp_working()) + { + handled = TRUE; + result = FAIL; + return FAIL; + } + + hKerneldll = vimLoadLib("kernel32.dll"); + for (i = 0; conpty_entry[i].name != NULL + && conpty_entry[i].ptr != NULL; ++i) + { + if ((*conpty_entry[i].ptr = (FARPROC)GetProcAddress(hKerneldll, + conpty_entry[i].name)) == NULL) + { + if (verbose) + semsg(_(e_loadfunc), conpty_entry[i].name); + return FAIL; + } + } + + handled = TRUE; + result = OK; + return OK; +} + + static int +conpty_term_and_job_init( + term_T *term, + typval_T *argvar, + char **argv, + jobopt_T *opt, + jobopt_T *orig_opt) +{ + WCHAR *cmd_wchar = NULL; + WCHAR *cmd_wchar_copy = NULL; + WCHAR *cwd_wchar = NULL; + WCHAR *env_wchar = NULL; + channel_T *channel = NULL; + job_T *job = NULL; + HANDLE jo = NULL; + garray_T ga_cmd, ga_env; + char_u *cmd = NULL; + HRESULT hr; + COORD consize; + SIZE_T breq; + PROCESS_INFORMATION proc_info; + HANDLE i_theirs = NULL; + HANDLE o_theirs = NULL; + HANDLE i_ours = NULL; + HANDLE o_ours = NULL; + + ga_init2(&ga_cmd, (int)sizeof(char*), 20); + ga_init2(&ga_env, (int)sizeof(char*), 20); + + if (argvar->v_type == VAR_STRING) + { + cmd = argvar->vval.v_string; + } + else if (argvar->v_type == VAR_LIST) + { + if (win32_build_cmd(argvar->vval.v_list, &ga_cmd) == FAIL) + goto failed; + cmd = ga_cmd.ga_data; + } + if (cmd == NULL || *cmd == NUL) + { + emsg(_(e_invarg)); + goto failed; + } + + term->tl_arg0_cmd = vim_strsave(cmd); + + cmd_wchar = enc_to_utf16(cmd, NULL); + + if (cmd_wchar != NULL) + { + /* Request by CreateProcessW */ + breq = wcslen(cmd_wchar) + 1 + 1; /* Addition of NUL by API */ + cmd_wchar_copy = (PWSTR)alloc((int)(breq * sizeof(WCHAR))); + wcsncpy(cmd_wchar_copy, cmd_wchar, breq - 1); + } + + ga_clear(&ga_cmd); + if (cmd_wchar == NULL) + goto failed; + if (opt->jo_cwd != NULL) + cwd_wchar = enc_to_utf16(opt->jo_cwd, NULL); + + win32_build_env(opt->jo_env, &ga_env, TRUE); + env_wchar = ga_env.ga_data; + + if (!CreatePipe(&i_theirs, &i_ours, NULL, 0)) + goto failed; + if (!CreatePipe(&o_ours, &o_theirs, NULL, 0)) + goto failed; + + consize.X = term->tl_cols; + consize.Y = term->tl_rows; + hr = pCreatePseudoConsole(consize, i_theirs, o_theirs, 0, + &term->tl_conpty); + if (FAILED(hr)) + goto failed; + + term->tl_siex.StartupInfo.cb = sizeof(term->tl_siex); + + /* Set up pipe inheritance safely: Vista or later. */ + pInitializeProcThreadAttributeList(NULL, 1, 0, &breq); + term->tl_siex.lpAttributeList = + (PPROC_THREAD_ATTRIBUTE_LIST)alloc((int)breq); + if (!term->tl_siex.lpAttributeList) + goto failed; + if (!pInitializeProcThreadAttributeList(term->tl_siex.lpAttributeList, 1, + 0, &breq)) + goto failed; + if (!pUpdateProcThreadAttribute( + term->tl_siex.lpAttributeList, 0, + PROC_THREAD_ATTRIBUTE_PSEUDOCONSOLE, term->tl_conpty, + sizeof(HPCON), NULL, NULL)) + goto failed; + + channel = add_channel(); + if (channel == NULL) + goto failed; + + job = job_alloc(); + if (job == NULL) + goto failed; + if (argvar->v_type == VAR_STRING) + { + int argc; + + build_argv_from_string(cmd, &job->jv_argv, &argc); + } + else + { + int argc; + + build_argv_from_list(argvar->vval.v_list, &job->jv_argv, &argc); + } + + if (opt->jo_set & JO_IN_BUF) + job->jv_in_buf = buflist_findnr(opt->jo_io_buf[PART_IN]); + + if (!CreateProcessW(NULL, cmd_wchar_copy, NULL, NULL, FALSE, + EXTENDED_STARTUPINFO_PRESENT | CREATE_UNICODE_ENVIRONMENT + | CREATE_SUSPENDED | CREATE_NEW_PROCESS_GROUP + | CREATE_DEFAULT_ERROR_MODE, + env_wchar, cwd_wchar, + &term->tl_siex.StartupInfo, &proc_info)) + goto failed; + + CloseHandle(i_theirs); + CloseHandle(o_theirs); + + channel_set_pipes(channel, + (sock_T)i_ours, + (sock_T)o_ours, + (sock_T)o_ours); + + /* Write lines with CR instead of NL. */ + channel->ch_write_text_mode = TRUE; + + /* Use to explicitly delete anonymous pipe handle. */ + channel->ch_anonymous_pipe = TRUE; + + jo = CreateJobObject(NULL, NULL); + if (jo == NULL) + goto failed; + + if (!AssignProcessToJobObject(jo, proc_info.hProcess)) + { + /* Failed, switch the way to terminate process with TerminateProcess. */ + CloseHandle(jo); + jo = NULL; + } + + ResumeThread(proc_info.hThread); + CloseHandle(proc_info.hThread); + + vim_free(cmd_wchar); + vim_free(cmd_wchar_copy); + vim_free(cwd_wchar); + vim_free(env_wchar); + + if (create_vterm(term, term->tl_rows, term->tl_cols) == FAIL) + goto failed; + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + if (opt->jo_set2 & JO2_ANSI_COLORS) + set_vterm_palette(term->tl_vterm, opt->jo_ansi_colors); + else + init_vterm_ansi_colors(term->tl_vterm); +#endif + + channel_set_job(channel, job, opt); + job_set_options(job, opt); + + job->jv_channel = channel; + job->jv_proc_info = proc_info; + job->jv_job_object = jo; + job->jv_status = JOB_STARTED; + ++job->jv_refcount; + term->tl_job = job; + + /* Redirecting stdout and stderr doesn't work at the job level. Instead + * open the file here and handle it in. opt->jo_io was changed in + * setup_job_options(), use the original flags here. */ + if (orig_opt->jo_io[PART_OUT] == JIO_FILE) + { + char_u *fname = opt->jo_io_name[PART_OUT]; + + ch_log(channel, "Opening output file %s", fname); + term->tl_out_fd = mch_fopen((char *)fname, WRITEBIN); + if (term->tl_out_fd == NULL) + semsg(_(e_notopen), fname); + } + + return OK; + +failed: + ga_clear(&ga_cmd); + ga_clear(&ga_env); + vim_free(cmd_wchar); + vim_free(cmd_wchar_copy); + vim_free(cwd_wchar); + if (channel != NULL) + channel_clear(channel); + if (job != NULL) + { + job->jv_channel = NULL; + job_cleanup(job); + } + term->tl_job = NULL; + if (jo != NULL) + CloseHandle(jo); + + if (term->tl_siex.lpAttributeList != NULL) + { + pDeleteProcThreadAttributeList(term->tl_siex.lpAttributeList); + vim_free(term->tl_siex.lpAttributeList); + } + term->tl_siex.lpAttributeList = NULL; + if (o_theirs != NULL) + CloseHandle(o_theirs); + if (o_ours != NULL) + CloseHandle(o_ours); + if (i_ours != NULL) + CloseHandle(i_ours); + if (i_theirs != NULL) + CloseHandle(i_theirs); + if (term->tl_conpty != NULL) + pClosePseudoConsole(term->tl_conpty); + term->tl_conpty = NULL; + return FAIL; +} + + static void +conpty_term_report_winsize(term_T *term, int rows, int cols) +{ + COORD consize; + + consize.X = cols; + consize.Y = rows; + pResizePseudoConsole(term->tl_conpty, consize); +} + + void +term_free_conpty(term_T *term) +{ + if (term->tl_siex.lpAttributeList != NULL) + { + pDeleteProcThreadAttributeList(term->tl_siex.lpAttributeList); + vim_free(term->tl_siex.lpAttributeList); + } + term->tl_siex.lpAttributeList = NULL; + if (term->tl_conpty != NULL) + pClosePseudoConsole(term->tl_conpty); + term->tl_conpty = NULL; +} + + int +use_conpty(void) +{ + return has_conpty; +} + +# ifndef PROTO + +#define WINPTY_SPAWN_FLAG_AUTO_SHUTDOWN 1ul +#define WINPTY_SPAWN_FLAG_EXIT_AFTER_SHUTDOWN 2ull +#define WINPTY_MOUSE_MODE_FORCE 2 + +void* (*winpty_config_new)(UINT64, void*); +void* (*winpty_open)(void*, void*); +void* (*winpty_spawn_config_new)(UINT64, void*, LPCWSTR, void*, void*, void*); +BOOL (*winpty_spawn)(void*, void*, HANDLE*, HANDLE*, DWORD*, void*); +void (*winpty_config_set_mouse_mode)(void*, int); +void (*winpty_config_set_initial_size)(void*, int, int); +LPCWSTR (*winpty_conin_name)(void*); +LPCWSTR (*winpty_conout_name)(void*); +LPCWSTR (*winpty_conerr_name)(void*); +void (*winpty_free)(void*); +void (*winpty_config_free)(void*); +void (*winpty_spawn_config_free)(void*); +void (*winpty_error_free)(void*); +LPCWSTR (*winpty_error_msg)(void*); +BOOL (*winpty_set_size)(void*, int, int, void*); +HANDLE (*winpty_agent_process)(void*); + +#define WINPTY_DLL "winpty.dll" + +static HINSTANCE hWinPtyDLL = NULL; +# endif + + static int +dyn_winpty_init(int verbose) +{ + int i; + static struct + { + char *name; + FARPROC *ptr; + } winpty_entry[] = + { + {"winpty_conerr_name", (FARPROC*)&winpty_conerr_name}, + {"winpty_config_free", (FARPROC*)&winpty_config_free}, + {"winpty_config_new", (FARPROC*)&winpty_config_new}, + {"winpty_config_set_mouse_mode", + (FARPROC*)&winpty_config_set_mouse_mode}, + {"winpty_config_set_initial_size", + (FARPROC*)&winpty_config_set_initial_size}, + {"winpty_conin_name", (FARPROC*)&winpty_conin_name}, + {"winpty_conout_name", (FARPROC*)&winpty_conout_name}, + {"winpty_error_free", (FARPROC*)&winpty_error_free}, + {"winpty_free", (FARPROC*)&winpty_free}, + {"winpty_open", (FARPROC*)&winpty_open}, + {"winpty_spawn", (FARPROC*)&winpty_spawn}, + {"winpty_spawn_config_free", (FARPROC*)&winpty_spawn_config_free}, + {"winpty_spawn_config_new", (FARPROC*)&winpty_spawn_config_new}, + {"winpty_error_msg", (FARPROC*)&winpty_error_msg}, + {"winpty_set_size", (FARPROC*)&winpty_set_size}, + {"winpty_agent_process", (FARPROC*)&winpty_agent_process}, + {NULL, NULL} + }; + + /* No need to initialize twice. */ + if (hWinPtyDLL) + return OK; + /* Load winpty.dll, prefer using the 'winptydll' option, fall back to just + * winpty.dll. */ + if (*p_winptydll != NUL) + hWinPtyDLL = vimLoadLib((char *)p_winptydll); + if (!hWinPtyDLL) + hWinPtyDLL = vimLoadLib(WINPTY_DLL); + if (!hWinPtyDLL) + { + if (verbose) + semsg(_(e_loadlib), *p_winptydll != NUL ? p_winptydll + : (char_u *)WINPTY_DLL); + return FAIL; + } + for (i = 0; winpty_entry[i].name != NULL + && winpty_entry[i].ptr != NULL; ++i) + { + if ((*winpty_entry[i].ptr = (FARPROC)GetProcAddress(hWinPtyDLL, + winpty_entry[i].name)) == NULL) + { + if (verbose) + semsg(_(e_loadfunc), winpty_entry[i].name); + return FAIL; + } + } + + return OK; +} + + static int +winpty_term_and_job_init( + term_T *term, + typval_T *argvar, + char **argv, + jobopt_T *opt, + jobopt_T *orig_opt) +{ + WCHAR *cmd_wchar = NULL; + WCHAR *cwd_wchar = NULL; + WCHAR *env_wchar = NULL; + channel_T *channel = NULL; + job_T *job = NULL; + DWORD error; + HANDLE jo = NULL; + HANDLE child_process_handle; + HANDLE child_thread_handle; + void *winpty_err = NULL; + void *spawn_config = NULL; + garray_T ga_cmd, ga_env; + char_u *cmd = NULL; + + ga_init2(&ga_cmd, (int)sizeof(char*), 20); + ga_init2(&ga_env, (int)sizeof(char*), 20); + + if (argvar->v_type == VAR_STRING) + { + cmd = argvar->vval.v_string; + } + else if (argvar->v_type == VAR_LIST) + { + if (win32_build_cmd(argvar->vval.v_list, &ga_cmd) == FAIL) + goto failed; + cmd = ga_cmd.ga_data; + } + if (cmd == NULL || *cmd == NUL) + { + emsg(_(e_invarg)); + goto failed; + } + + term->tl_arg0_cmd = vim_strsave(cmd); + + cmd_wchar = enc_to_utf16(cmd, NULL); + ga_clear(&ga_cmd); + if (cmd_wchar == NULL) + goto failed; + if (opt->jo_cwd != NULL) + cwd_wchar = enc_to_utf16(opt->jo_cwd, NULL); + + win32_build_env(opt->jo_env, &ga_env, TRUE); + env_wchar = ga_env.ga_data; + + term->tl_winpty_config = winpty_config_new(0, &winpty_err); + if (term->tl_winpty_config == NULL) + goto failed; + + winpty_config_set_mouse_mode(term->tl_winpty_config, + WINPTY_MOUSE_MODE_FORCE); + winpty_config_set_initial_size(term->tl_winpty_config, + term->tl_cols, term->tl_rows); + term->tl_winpty = winpty_open(term->tl_winpty_config, &winpty_err); + if (term->tl_winpty == NULL) + goto failed; + + spawn_config = winpty_spawn_config_new( + WINPTY_SPAWN_FLAG_AUTO_SHUTDOWN | + WINPTY_SPAWN_FLAG_EXIT_AFTER_SHUTDOWN, + NULL, + cmd_wchar, + cwd_wchar, + env_wchar, + &winpty_err); + if (spawn_config == NULL) + goto failed; + + channel = add_channel(); + if (channel == NULL) + goto failed; + + job = job_alloc(); + if (job == NULL) + goto failed; + if (argvar->v_type == VAR_STRING) + { + int argc; + + build_argv_from_string(cmd, &job->jv_argv, &argc); + } + else + { + int argc; + + build_argv_from_list(argvar->vval.v_list, &job->jv_argv, &argc); + } + + if (opt->jo_set & JO_IN_BUF) + job->jv_in_buf = buflist_findnr(opt->jo_io_buf[PART_IN]); + + if (!winpty_spawn(term->tl_winpty, spawn_config, &child_process_handle, + &child_thread_handle, &error, &winpty_err)) + goto failed; + + channel_set_pipes(channel, + (sock_T)CreateFileW( + winpty_conin_name(term->tl_winpty), + GENERIC_WRITE, 0, NULL, + OPEN_EXISTING, 0, NULL), + (sock_T)CreateFileW( + winpty_conout_name(term->tl_winpty), + GENERIC_READ, 0, NULL, + OPEN_EXISTING, 0, NULL), + (sock_T)CreateFileW( + winpty_conerr_name(term->tl_winpty), + GENERIC_READ, 0, NULL, + OPEN_EXISTING, 0, NULL)); + + /* Write lines with CR instead of NL. */ + channel->ch_write_text_mode = TRUE; + + jo = CreateJobObject(NULL, NULL); + if (jo == NULL) + goto failed; + + if (!AssignProcessToJobObject(jo, child_process_handle)) + { + /* Failed, switch the way to terminate process with TerminateProcess. */ + CloseHandle(jo); + jo = NULL; + } + + winpty_spawn_config_free(spawn_config); + vim_free(cmd_wchar); + vim_free(cwd_wchar); + vim_free(env_wchar); + + if (create_vterm(term, term->tl_rows, term->tl_cols) == FAIL) + goto failed; + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + if (opt->jo_set2 & JO2_ANSI_COLORS) + set_vterm_palette(term->tl_vterm, opt->jo_ansi_colors); + else + init_vterm_ansi_colors(term->tl_vterm); +#endif + + channel_set_job(channel, job, opt); + job_set_options(job, opt); + + job->jv_channel = channel; + job->jv_proc_info.hProcess = child_process_handle; + job->jv_proc_info.dwProcessId = GetProcessId(child_process_handle); + job->jv_job_object = jo; + job->jv_status = JOB_STARTED; + job->jv_tty_in = utf16_to_enc( + (short_u *)winpty_conin_name(term->tl_winpty), NULL); + job->jv_tty_out = utf16_to_enc( + (short_u *)winpty_conout_name(term->tl_winpty), NULL); + ++job->jv_refcount; + term->tl_job = job; + + /* Redirecting stdout and stderr doesn't work at the job level. Instead + * open the file here and handle it in. opt->jo_io was changed in + * setup_job_options(), use the original flags here. */ + if (orig_opt->jo_io[PART_OUT] == JIO_FILE) + { + char_u *fname = opt->jo_io_name[PART_OUT]; + + ch_log(channel, "Opening output file %s", fname); + term->tl_out_fd = mch_fopen((char *)fname, WRITEBIN); + if (term->tl_out_fd == NULL) + semsg(_(e_notopen), fname); + } + + return OK; + +failed: + ga_clear(&ga_cmd); + ga_clear(&ga_env); + vim_free(cmd_wchar); + vim_free(cwd_wchar); + if (spawn_config != NULL) + winpty_spawn_config_free(spawn_config); + if (channel != NULL) + channel_clear(channel); + if (job != NULL) + { + job->jv_channel = NULL; + job_cleanup(job); + } + term->tl_job = NULL; + if (jo != NULL) + CloseHandle(jo); + if (term->tl_winpty != NULL) + winpty_free(term->tl_winpty); + term->tl_winpty = NULL; + if (term->tl_winpty_config != NULL) + winpty_config_free(term->tl_winpty_config); + term->tl_winpty_config = NULL; + if (winpty_err != NULL) + { + char *msg = (char *)utf16_to_enc( + (short_u *)winpty_error_msg(winpty_err), NULL); + + emsg(msg); + winpty_error_free(winpty_err); + } + return FAIL; +} + +/* + * Create a new terminal of "rows" by "cols" cells. + * Store a reference in "term". + * Return OK or FAIL. + */ + static int +term_and_job_init( + term_T *term, + typval_T *argvar, + char **argv UNUSED, + jobopt_T *opt, + jobopt_T *orig_opt) +{ + int use_winpty = FALSE; + int use_conpty = FALSE; + + has_winpty = dyn_winpty_init(FALSE) != FAIL ? TRUE : FALSE; + has_conpty = dyn_conpty_init(FALSE) != FAIL ? TRUE : FALSE; + + if (!has_winpty && !has_conpty) + // If neither is available give the errors for winpty, since when + // conpty is not available it can't be installed either. + return dyn_winpty_init(TRUE); + + if (opt->jo_term_mode == 'w') + set_string_option_direct((char_u *)"tmod", -1, (char_u *)"winpty", + OPT_FREE|OPT_LOCAL, 0); + if (opt->jo_term_mode == 'c') + set_string_option_direct((char_u *)"tmod", -1, (char_u *)"conpty", + OPT_FREE|OPT_LOCAL, 0); + + if (curwin->w_p_tmod == NULL || *curwin->w_p_tmod == NUL) + { + if (has_conpty) + use_conpty = TRUE; + else if (has_winpty) + use_winpty = TRUE; + // else: error + } + else if (STRICMP(curwin->w_p_tmod, "winpty") == 0) + { + if (has_winpty) + use_winpty = TRUE; + } + else if (STRICMP(curwin->w_p_tmod, "conpty") == 0) + { + if (has_conpty) + use_conpty = TRUE; + else + return dyn_conpty_init(TRUE); + } + + if (use_conpty) + { + set_string_option_direct((char_u *)"tmod", -1, (char_u *)"conpty", + OPT_FREE|OPT_LOCAL, 0); + return conpty_term_and_job_init(term, argvar, argv, opt, orig_opt); + } + + if (use_winpty) + { + set_string_option_direct((char_u *)"tmod", -1, (char_u *)"winpty", + OPT_FREE|OPT_LOCAL, 0); + return winpty_term_and_job_init(term, argvar, argv, opt, orig_opt); + } + + // error + return dyn_winpty_init(TRUE); +} + + static int +create_pty_only(term_T *term, jobopt_T *options) +{ + HANDLE hPipeIn = INVALID_HANDLE_VALUE; + HANDLE hPipeOut = INVALID_HANDLE_VALUE; + char in_name[80], out_name[80]; + channel_T *channel = NULL; + + if (create_vterm(term, term->tl_rows, term->tl_cols) == FAIL) + return FAIL; + + vim_snprintf(in_name, sizeof(in_name), "\\\\.\\pipe\\vim-%d-in-%d", + GetCurrentProcessId(), + curbuf->b_fnum); + hPipeIn = CreateNamedPipe(in_name, PIPE_ACCESS_OUTBOUND, + PIPE_TYPE_MESSAGE | PIPE_NOWAIT, + PIPE_UNLIMITED_INSTANCES, + 0, 0, NMPWAIT_NOWAIT, NULL); + if (hPipeIn == INVALID_HANDLE_VALUE) + goto failed; + + vim_snprintf(out_name, sizeof(out_name), "\\\\.\\pipe\\vim-%d-out-%d", + GetCurrentProcessId(), + curbuf->b_fnum); + hPipeOut = CreateNamedPipe(out_name, PIPE_ACCESS_INBOUND, + PIPE_TYPE_MESSAGE | PIPE_NOWAIT, + PIPE_UNLIMITED_INSTANCES, + 0, 0, 0, NULL); + if (hPipeOut == INVALID_HANDLE_VALUE) + goto failed; + + ConnectNamedPipe(hPipeIn, NULL); + ConnectNamedPipe(hPipeOut, NULL); + + term->tl_job = job_alloc(); + if (term->tl_job == NULL) + goto failed; + ++term->tl_job->jv_refcount; + + /* behave like the job is already finished */ + term->tl_job->jv_status = JOB_FINISHED; + + channel = add_channel(); + if (channel == NULL) + goto failed; + term->tl_job->jv_channel = channel; + channel->ch_keep_open = TRUE; + channel->ch_named_pipe = TRUE; + + channel_set_pipes(channel, + (sock_T)hPipeIn, + (sock_T)hPipeOut, + (sock_T)hPipeOut); + channel_set_job(channel, term->tl_job, options); + term->tl_job->jv_tty_in = vim_strsave((char_u*)in_name); + term->tl_job->jv_tty_out = vim_strsave((char_u*)out_name); + + return OK; + +failed: + if (hPipeIn != NULL) + CloseHandle(hPipeIn); + if (hPipeOut != NULL) + CloseHandle(hPipeOut); + return FAIL; +} + +/* + * Free the terminal emulator part of "term". + */ + static void +term_free_vterm(term_T *term) +{ + term_free_conpty(term); + if (term->tl_winpty != NULL) + winpty_free(term->tl_winpty); + term->tl_winpty = NULL; + if (term->tl_winpty_config != NULL) + winpty_config_free(term->tl_winpty_config); + term->tl_winpty_config = NULL; + if (term->tl_vterm != NULL) + vterm_free(term->tl_vterm); + term->tl_vterm = NULL; +} + +/* + * Report the size to the terminal. + */ + static void +term_report_winsize(term_T *term, int rows, int cols) +{ + if (term->tl_conpty) + conpty_term_report_winsize(term, rows, cols); + if (term->tl_winpty) + winpty_set_size(term->tl_winpty, cols, rows, NULL); +} + + int +terminal_enabled(void) +{ + return dyn_winpty_init(FALSE) == OK || dyn_conpty_init(FALSE) == OK; +} + +# else + +/************************************** + * 3. Unix-like implementation. + */ + +/* + * Create a new terminal of "rows" by "cols" cells. + * Start job for "cmd". + * Store the pointers in "term". + * When "argv" is not NULL then "argvar" is not used. + * Return OK or FAIL. + */ + static int +term_and_job_init( + term_T *term, + typval_T *argvar, + char **argv, + jobopt_T *opt, + jobopt_T *orig_opt UNUSED) +{ + term->tl_arg0_cmd = NULL; + + if (create_vterm(term, term->tl_rows, term->tl_cols) == FAIL) + return FAIL; + +#if defined(FEAT_GUI) || defined(FEAT_TERMGUICOLORS) + if (opt->jo_set2 & JO2_ANSI_COLORS) + set_vterm_palette(term->tl_vterm, opt->jo_ansi_colors); + else + init_vterm_ansi_colors(term->tl_vterm); +#endif + + /* This may change a string in "argvar". */ + term->tl_job = job_start(argvar, argv, opt, TRUE); + if (term->tl_job != NULL) + ++term->tl_job->jv_refcount; + + return term->tl_job != NULL + && term->tl_job->jv_channel != NULL + && term->tl_job->jv_status != JOB_FAILED ? OK : FAIL; +} + + static int +create_pty_only(term_T *term, jobopt_T *opt) +{ + if (create_vterm(term, term->tl_rows, term->tl_cols) == FAIL) + return FAIL; + + term->tl_job = job_alloc(); + if (term->tl_job == NULL) + return FAIL; + ++term->tl_job->jv_refcount; + + /* behave like the job is already finished */ + term->tl_job->jv_status = JOB_FINISHED; + + return mch_create_pty_channel(term->tl_job, opt); +} + +/* + * Free the terminal emulator part of "term". + */ + static void +term_free_vterm(term_T *term) +{ + if (term->tl_vterm != NULL) + vterm_free(term->tl_vterm); + term->tl_vterm = NULL; +} + +/* + * Report the size to the terminal. + */ + static void +term_report_winsize(term_T *term, int rows, int cols) +{ + /* Use an ioctl() to report the new window size to the job. */ + if (term->tl_job != NULL && term->tl_job->jv_channel != NULL) + { + int fd = -1; + int part; + + for (part = PART_OUT; part < PART_COUNT; ++part) + { + fd = term->tl_job->jv_channel->ch_part[part].ch_fd; + if (mch_isatty(fd)) + break; + } + if (part < PART_COUNT && mch_report_winsize(fd, rows, cols) == OK) + mch_signal_job(term->tl_job, (char_u *)"winch"); + } +} + +# endif + +#endif /* FEAT_TERMINAL */ |