diff options
Diffstat (limited to 'src/nvim/tui/tui.c')
-rw-r--r-- | src/nvim/tui/tui.c | 210 |
1 files changed, 97 insertions, 113 deletions
diff --git a/src/nvim/tui/tui.c b/src/nvim/tui/tui.c index bfd9435c49..62d7dc8b18 100644 --- a/src/nvim/tui/tui.c +++ b/src/nvim/tui/tui.c @@ -52,15 +52,10 @@ #define OUTBUF_SIZE 0xffff #define TOO_MANY_EVENTS 1000000 -#define STARTS_WITH(str, prefix) \ - (strlen(str) >= (sizeof(prefix) - 1) && 0 == memcmp((str), (prefix), \ - sizeof(prefix) - 1)) -#define SCREEN_WRAP(is_screen, seq) ((is_screen) \ - ? DCS_STR seq STERM_STR : seq) -#define SCREEN_TMUX_WRAP(is_screen, is_tmux, seq) \ - ((is_screen) \ - ? DCS_STR seq STERM_STR : (is_tmux) \ - ? DCS_STR "tmux;\x1b" seq STERM_STR : seq) +#define STARTS_WITH(str, prefix) (strlen(str) >= (sizeof(prefix) - 1) \ + && 0 == memcmp((str), (prefix), sizeof(prefix) - 1)) +#define TMUX_WRAP(is_tmux, seq) ((is_tmux) \ + ? "\x1bPtmux;\x1b" seq "\x1b\\" : seq) #define LINUXSET0C "\x1b[?0c" #define LINUXSET1C "\x1b[?1c" @@ -113,6 +108,7 @@ typedef struct { bool cork, overflow; bool cursor_color_changed; bool is_starting; + FILE *screenshot; cursorentry_T cursor_shapes[SHAPE_IDX_COUNT]; HlAttrs clear_attrs; kvec_t(HlAttrs) attrs; @@ -172,6 +168,7 @@ UI *tui_start(void) ui->suspend = tui_suspend; ui->set_title = tui_set_title; ui->set_icon = tui_set_icon; + ui->screenshot = tui_screenshot; ui->option_set= tui_option_set; ui->raw_line = tui_raw_line; @@ -319,7 +316,13 @@ static void terminfo_start(UI *ui) #ifdef WIN32 uv_tty_set_mode(&data->output_handle.tty, UV_TTY_MODE_RAW); #else - uv_tty_set_mode(&data->output_handle.tty, UV_TTY_MODE_IO); + int retry_count = 10; + // A signal may cause uv_tty_set_mode() to fail (e.g., SIGCONT). Retry a + // few times. #12322 + while (uv_tty_set_mode(&data->output_handle.tty, UV_TTY_MODE_IO) == UV_EINTR + && retry_count > 0) { + retry_count--; + } #endif } else { uv_pipe_init(&data->write_loop, &data->output_handle.pipe, 0); @@ -417,6 +420,7 @@ static void tui_main(UIBridgeData *bridge, UI *ui) data->bridge = bridge; data->loop = &tui_loop; data->is_starting = true; + data->screenshot = NULL; kv_init(data->invalid_regions); signal_watcher_init(data->loop, &data->winch_handle, ui); signal_watcher_init(data->loop, &data->cont_handle, data); @@ -1085,6 +1089,7 @@ static void tui_set_mode(UI *ui, ModeShape mode) } } else if (c.id == 0) { // No cursor color for this mode; reset to default. + data->want_invisible = false; unibi_out_ext(ui, data->unibi_ext.reset_cursor_color); } @@ -1103,6 +1108,15 @@ static void tui_set_mode(UI *ui, ModeShape mode) static void tui_mode_change(UI *ui, String mode, Integer mode_idx) { TUIData *data = ui->data; +#ifdef UNIX + // If stdin is not a TTY, the LHS of pipe may change the state of the TTY + // after calling uv_tty_set_mode. So, set the mode of the TTY again here. + // #13073 + if (data->is_starting && data->input.in_fd == STDERR_FILENO) { + uv_tty_set_mode(&data->output_handle.tty, UV_TTY_MODE_NORMAL); + uv_tty_set_mode(&data->output_handle.tty, UV_TTY_MODE_IO); + } +#endif tui_set_mode(ui, (ModeShape)mode_idx); data->is_starting = false; // mode entered, no longer starting data->showing_mode = (ModeShape)mode_idx; @@ -1322,6 +1336,31 @@ static void tui_set_icon(UI *ui, String icon) { } +static void tui_screenshot(UI *ui, String path) +{ + TUIData *data = ui->data; + UGrid *grid = &data->grid; + flush_buf(ui); + grid->row = 0; + grid->col = 0; + + FILE *f = fopen(path.data, "w"); + data->screenshot = f; + fprintf(f, "%d,%d\n", grid->height, grid->width); + unibi_out(ui, unibi_clear_screen); + for (int i = 0; i < grid->height; i++) { + cursor_goto(ui, i, 0); + for (int j = 0; j < grid->width; j++) { + print_cell(ui, &grid->cells[i][j]); + } + } + flush_buf(ui); + data->screenshot = NULL; + + fclose(f); +} + + static void tui_option_set(UI *ui, String name, Object value) { TUIData *data = ui->data; @@ -1591,10 +1630,6 @@ static void patch_terminfo_bugs(TUIData *data, const char *term, bool mate_pretending_xterm = xterm && colorterm && strstr(colorterm, "mate-terminal"); bool true_xterm = xterm && !!xterm_version && !bsdvt; - bool true_screen = screen && !os_getenv("TMUX"); - bool screen_host_linuxvt = - terminfo_is_term_family(true_screen && term[6] == '.' - ? term + 7 : NULL, "linux"); bool cygwin = terminfo_is_term_family(term, "cygwin"); char *fix_normal = (char *)unibi_get_str(ut, unibi_cursor_normal); @@ -1737,10 +1772,8 @@ static void patch_terminfo_bugs(TUIData *data, const char *term, #define XTERM_SETAB_16 \ "\x1b[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e39%;m" - data->unibi_ext.get_bg = - (int)unibi_add_ext_str(ut, "ext.get_bg", - SCREEN_TMUX_WRAP(true_screen, - tmux, "\x1b]11;?\x07")); + data->unibi_ext.get_bg = (int)unibi_add_ext_str(ut, "ext.get_bg", + "\x1b]11;?\x07"); // Terminals with 256-colour SGR support despite what terminfo says. if (unibi_get_num(ut, unibi_max_colors) < 256) { @@ -1775,32 +1808,6 @@ static void patch_terminfo_bugs(TUIData *data, const char *term, data->unibi_ext.set_cursor_style = unibi_find_ext_str(ut, "Ss"); } - // GNU Screen does not have Ss/Se. When terminfo has Ss/Se, it is wrapped with - // DCS because it is inherited from the host terminal. - if (true_screen) { - size_t len; - size_t dcs_st_len = strlen(DCS_STR) + strlen(STERM_STR); - if (-1 != data->unibi_ext.set_cursor_style) { - const char *orig_ss = - unibi_get_ext_str(data->ut, (size_t)data->unibi_ext.reset_cursor_style); - len = STRLEN(orig_ss) + dcs_st_len + 1; - char *ss = xmalloc(len); - snprintf(ss, len, "%s%s%s", DCS_STR, orig_ss, STERM_STR); - unibi_set_ext_str(data->ut, (size_t)data->unibi_ext.set_cursor_style, ss); - xfree(ss); - } - if (-1 != data->unibi_ext.reset_cursor_style) { - const char *orig_se = - unibi_get_ext_str(data->ut, (size_t)data->unibi_ext.reset_cursor_style); - len = strlen(orig_se) + dcs_st_len + 1; - char *se = xmalloc(len); - snprintf(se, len, "%s%s%s", DCS_STR, orig_se, STERM_STR); - unibi_set_ext_str(data->ut, - (size_t)data->unibi_ext.reset_cursor_style, se); - xfree(se); - } - } - // Dickey ncurses terminfo includes Ss/Se capabilities since 2011-07-14. So // adding them to terminal types, that have such control sequences but lack // the correct terminfo entries, is a fixup, not an augmentation. @@ -1816,12 +1823,7 @@ static void patch_terminfo_bugs(TUIData *data, const char *term, || (konsolev >= 180770) // #9364 || tmux // per tmux manual page // https://lists.gnu.org/archive/html/screen-devel/2013-03/msg00000.html - || (true_screen - && (!screen_host_linuxvt - || (screen_host_linuxvt - && (xterm_version || (vte_version > 0) || colorterm)))) - // Since GNU Screen does not support DECSCUSR, DECSCUSR is wrapped - // in DCS and output to the host terminal. + || screen || st // #7641 || rxvt // per command.C // per analysis of VT100Terminal.m @@ -1834,72 +1836,58 @@ static void patch_terminfo_bugs(TUIData *data, const char *term, || (linuxvt && (xterm_version || (vte_version > 0) || colorterm)))) { data->unibi_ext.set_cursor_style = - (int)unibi_add_ext_str(ut, "Ss", - SCREEN_WRAP(true_screen, "\x1b[%p1%d q")); + (int)unibi_add_ext_str(ut, "Ss", "\x1b[%p1%d q"); if (-1 == data->unibi_ext.reset_cursor_style) { data->unibi_ext.reset_cursor_style = (int)unibi_add_ext_str(ut, "Se", ""); } unibi_set_ext_str(ut, (size_t)data->unibi_ext.reset_cursor_style, - SCREEN_WRAP(true_screen, "\x1b[ q")); - } else if (linuxvt || screen_host_linuxvt) { + "\x1b[ q"); + } else if (linuxvt) { // Linux uses an idiosyncratic escape code to set the cursor shape and // does not support DECSCUSR. // See http://linuxgazette.net/137/anonymous.html for more info - // - // Since gnu Screen does not have Ss/Se, if the host terminal is a linux - // console that does not support xterm extensions, it will wraps the - // linux-specific sequence in DCS and outputs it. - data->unibi_ext.set_cursor_style = (int)unibi_add_ext_str( - ut, "Ss", - SCREEN_WRAP(true_screen, - "\x1b[?" - "%?" - // The parameter passed to Ss is the DECSCUSR parameter, - // so the - // terminal capability has to translate into the Linux - // idiosyncratic parameter. - // - // linuxvt only supports block and underline. It is also - // only possible to have a steady block (no steady - // underline) - "%p1%{2}%<" "%t%{8}" // blink block - "%e%p1%{2}%=" "%t%{112}" // steady block - "%e%p1%{3}%=" "%t%{4}" // blink underline (set to half - // block) - "%e%p1%{4}%=" "%t%{4}" // steady underline - "%e%p1%{5}%=" "%t%{2}" // blink bar (set to underline) - "%e%p1%{6}%=" "%t%{2}" // steady bar - "%e%{0}" // anything else - "%;" "%dc")); + data->unibi_ext.set_cursor_style = (int)unibi_add_ext_str(ut, "Ss", + "\x1b[?" + "%?" + // The parameter passed to Ss is the DECSCUSR parameter, so the + // terminal capability has to translate into the Linux idiosyncratic + // parameter. + // + // linuxvt only supports block and underline. It is also only + // possible to have a steady block (no steady underline) + "%p1%{2}%<" "%t%{8}" // blink block + "%e%p1%{2}%=" "%t%{112}" // steady block + "%e%p1%{3}%=" "%t%{4}" // blink underline (set to half block) + "%e%p1%{4}%=" "%t%{4}" // steady underline + "%e%p1%{5}%=" "%t%{2}" // blink bar (set to underline) + "%e%p1%{6}%=" "%t%{2}" // steady bar + "%e%{0}" // anything else + "%;" "%dc"); if (-1 == data->unibi_ext.reset_cursor_style) { data->unibi_ext.reset_cursor_style = (int)unibi_add_ext_str(ut, "Se", ""); } unibi_set_ext_str(ut, (size_t)data->unibi_ext.reset_cursor_style, - SCREEN_WRAP(true_screen, "\x1b[?c")); + "\x1b[?c"); } else if (konsolev > 0 && konsolev < 180770) { // Konsole before version 18.07.70: set up a nonce profile. This has // side-effects on temporary font resizing. #6798 - data->unibi_ext.set_cursor_style = (int)unibi_add_ext_str( - ut, "Ss", - SCREEN_TMUX_WRAP(true_screen, tmux, - "\x1b]50;CursorShape=%?" - "%p1%{3}%<" "%t%{0}" // block - "%e%p1%{5}%<" "%t%{2}" // underline - "%e%{1}" // everything else is bar - "%;%d;BlinkingCursorEnabled=%?" - "%p1%{1}%<" "%t%{1}" // Fortunately if we exclude - // zero as special, - "%e%p1%{1}%&" // in all other c2ses we can treat bit - // #0 as a flag. - "%;%d\x07")); + data->unibi_ext.set_cursor_style = (int)unibi_add_ext_str(ut, "Ss", + TMUX_WRAP(tmux, "\x1b]50;CursorShape=%?" + "%p1%{3}%<" "%t%{0}" // block + "%e%p1%{5}%<" "%t%{2}" // underline + "%e%{1}" // everything else is bar + "%;%d;BlinkingCursorEnabled=%?" + "%p1%{1}%<" "%t%{1}" // Fortunately if we exclude zero as special, + "%e%p1%{1}%&" // in all other cases we can treat bit #0 as a flag. + "%;%d\x07")); if (-1 == data->unibi_ext.reset_cursor_style) { data->unibi_ext.reset_cursor_style = (int)unibi_add_ext_str(ut, "Se", ""); } unibi_set_ext_str(ut, (size_t)data->unibi_ext.reset_cursor_style, - SCREEN_TMUX_WRAP(true_screen, tmux, "\x1b]50;\x07")); + "\x1b]50;\x07"); } } } @@ -1931,10 +1919,6 @@ static void augment_terminfo(TUIData *data, const char *term, const char *xterm_version = os_getenv("XTERM_VERSION"); bool true_xterm = xterm && !!xterm_version && !bsdvt; - bool true_screen = screen && !os_getenv("TMUX"); - bool screen_host_rxvt = - terminfo_is_term_family(true_screen - && term[6] == '.' ? term + 7 : NULL, "rxvt"); // Only define this capability for terminal types that we know understand it. if (dtterm // originated this extension @@ -2001,7 +1985,7 @@ static void augment_terminfo(TUIData *data, const char *term, // all panes, which is not particularly desirable. A better approach // would use a tmux control sequence and an extra if(screen) test. data->unibi_ext.set_cursor_color = (int)unibi_add_ext_str( - ut, NULL, SCREEN_TMUX_WRAP(true_screen, tmux, "\033]Pl%p1%06x\033\\")); + ut, NULL, TMUX_WRAP(tmux, "\033]Pl%p1%06x\033\\")); } else if ((xterm || rxvt || tmux || alacritty) && (vte_version == 0 || vte_version >= 3900)) { // Supported in urxvt, newer VTE. @@ -2021,27 +2005,21 @@ static void augment_terminfo(TUIData *data, const char *term, /// Terminals usually ignore unrecognized private modes, and there is no /// known ambiguity with these. So we just set them unconditionally. - /// If the DECSET is not supported by GNU Screen, it is wrapped with DCS and - /// sent to the host terminal. data->unibi_ext.enable_lr_margin = (int)unibi_add_ext_str( ut, "ext.enable_lr_margin", "\x1b[?69h"); data->unibi_ext.disable_lr_margin = (int)unibi_add_ext_str( ut, "ext.disable_lr_margin", "\x1b[?69l"); data->unibi_ext.enable_bracketed_paste = (int)unibi_add_ext_str( - ut, "ext.enable_bpaste", SCREEN_WRAP(true_screen, "\x1b[?2004h")); + ut, "ext.enable_bpaste", "\x1b[?2004h"); data->unibi_ext.disable_bracketed_paste = (int)unibi_add_ext_str( - ut, "ext.disable_bpaste", SCREEN_WRAP(true_screen, "\x1b[?2004l")); + ut, "ext.disable_bpaste", "\x1b[?2004l"); // For urxvt send BOTH xterm and old urxvt sequences. #8695 data->unibi_ext.enable_focus_reporting = (int)unibi_add_ext_str( ut, "ext.enable_focus", - (rxvt || screen_host_rxvt) - ? SCREEN_WRAP(true_screen, "\x1b[?1004h\x1b]777;focus;on\x7") - : SCREEN_WRAP(true_screen, "\x1b[?1004h")); + rxvt ? "\x1b[?1004h\x1b]777;focus;on\x7" : "\x1b[?1004h"); data->unibi_ext.disable_focus_reporting = (int)unibi_add_ext_str( ut, "ext.disable_focus", - (rxvt || screen_host_rxvt) - ? SCREEN_WRAP(true_screen, "\x1b[?1004l\x1b]777;focus;off\x7") - : SCREEN_WRAP(true_screen, "\x1b[?1004l")); + rxvt ? "\x1b[?1004l\x1b]777;focus;off\x7" : "\x1b[?1004l"); data->unibi_ext.enable_mouse = (int)unibi_add_ext_str( ut, "ext.enable_mouse", "\x1b[?1002h\x1b[?1006h"); data->unibi_ext.disable_mouse = (int)unibi_add_ext_str( @@ -2120,9 +2098,15 @@ static void flush_buf(UI *ui) } } - uv_write(&req, STRUCT_CAST(uv_stream_t, &data->output_handle), - bufs, (unsigned)(bufp - bufs), NULL); - uv_run(&data->write_loop, UV_RUN_DEFAULT); + if (data->screenshot) { + for (size_t i = 0; i < (size_t)(bufp - bufs); i++) { + fwrite(bufs[i].base, bufs[i].len, 1, data->screenshot); + } + } else { + uv_write(&req, STRUCT_CAST(uv_stream_t, &data->output_handle), + bufs, (unsigned)(bufp - bufs), NULL); + uv_run(&data->write_loop, UV_RUN_DEFAULT); + } data->bufpos = 0; data->overflow = false; } |