diff options
Diffstat (limited to 'sys/cmd/dvtm')
| -rw-r--r-- | sys/cmd/dvtm/LICENSE | 23 | ||||
| -rw-r--r-- | sys/cmd/dvtm/config.h | 208 | ||||
| -rw-r--r-- | sys/cmd/dvtm/dvtm-editor.c | 183 | ||||
| -rw-r--r-- | sys/cmd/dvtm/dvtm.c | 1810 | ||||
| -rw-r--r-- | sys/cmd/dvtm/dvtm.h | 233 | ||||
| -rw-r--r-- | sys/cmd/dvtm/dvtm.info | 136 | ||||
| -rw-r--r-- | sys/cmd/dvtm/hook.c | 346 | ||||
| -rw-r--r-- | sys/cmd/dvtm/rules.mk | 33 | ||||
| -rw-r--r-- | sys/cmd/dvtm/vt.c | 2112 | ||||
| -rw-r--r-- | sys/cmd/dvtm/vt.h | 48 |
10 files changed, 0 insertions, 5132 deletions
diff --git a/sys/cmd/dvtm/LICENSE b/sys/cmd/dvtm/LICENSE deleted file mode 100644 index 8afe5bf..0000000 --- a/sys/cmd/dvtm/LICENSE +++ /dev/null @@ -1,23 +0,0 @@ -MIT/X Consortium License - - (c) 2006-2007 Anselm R. Garbe <garbeam at gmail dot com> - (c) 2007-2016 Marc André Tanner <mat at brain-dump dot org> - (c) 2020-???? Nicholas Noll <nbnoll at eml dot cc> - -Permission is hereby granted, free of charge, to any person obtaining a -copy of this software and associated documentation files (the "Software"), -to deal in the Software without restriction, including without limitation -the rights to use, copy, modify, merge, publish, distribute, sublicense, -and/or sell copies of the Software, and to permit persons to whom the -Software is furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in -all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL -THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING -FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER -DEALINGS IN THE SOFTWARE. diff --git a/sys/cmd/dvtm/config.h b/sys/cmd/dvtm/config.h deleted file mode 100644 index ec70596..0000000 --- a/sys/cmd/dvtm/config.h +++ /dev/null @@ -1,208 +0,0 @@ -#define VERSION "1.0" - -/* valid curses attributes are listed below they can be ORed - * - * A_NORMAL Normal display (no highlight) - * A_STANDOUT Best highlighting mode of the terminal. - * A_UNDERLINE Underlining - * A_REVERSE Reverse video - * A_BLINK Blinking - * A_DIM Half bright - * A_BOLD Extra bright or bold - * A_PROTECT Protected mode - * A_INVIS Invisible or blank mode - */ - -enum { - DEFAULT, - BLUE, - GREEN, -}; - -static Color colors[] = { - [DEFAULT] = { .fg = -1, .bg = -1, .fg256 = -1, .bg256 = -1, }, - [BLUE] = { .fg = COLOR_BLUE, .bg = -1, .fg256 = 68, .bg256 = -1, }, - [GREEN] = { .fg = COLOR_GREEN, .bg = -1, .fg256 = 65, .bg256 = -1, }, -}; - -#define COLOR(c) COLOR_PAIR(colors[c].pair) -/* curses attributes for the currently focused window */ -#define SELECTED_ATTR (COLOR(GREEN) | A_NORMAL) -/* curses attributes for normal (not selected) windows */ -#define NORMAL_ATTR (COLOR(DEFAULT) | A_NORMAL) -/* curses attributes for a window with pending urgent flag */ -#define URGENT_ATTR NORMAL_ATTR -/* curses attributes for the status bar */ -#define BAR_ATTR (COLOR(GREEN) | A_NORMAL) -/* characters for beginning and end of status bar message */ -#define BAR_BEGIN '[' -#define BAR_END ']' -/* status bar (command line option -s) position */ -#define BAR_POS BAR_TOP /* BAR_BOTTOM, BAR_OFF */ -/* whether status bar should be hidden if only one client exists */ -#define BAR_AUTOHIDE false -/* master width factor [0.1 .. 0.9] */ -#define MFACT 0.5 -/* number of clients in master area */ -#define NMASTER 1 -/* scroll back buffer size in lines */ -#define SCROLL_HISTORY 500 -/* printf format string for the tag in the status bar */ -#define TAG_SYMBOL "[%s]" -/* curses attributes for the currently selected tags */ -#define TAG_SEL (COLOR(GREEN) | A_BOLD) -/* curses attributes for not selected tags which contain no windows */ -#define TAG_NORMAL (COLOR(DEFAULT) | A_NORMAL) -/* curses attributes for not selected tags which contain windows */ -#define TAG_OCCUPIED (COLOR(GREEN) | A_NORMAL) -/* curses attributes for not selected tags which with urgent windows */ -#define TAG_URGENT (COLOR(GREEN) | A_NORMAL | A_BLINK) - -static const char tags[][8] = { "1", "2", "3", "4", "5" }; - -/* by default the first layout entry is used */ -static Layout layouts[] = { - { "[]=", tile }, - { "+++", grid }, - { "TTT", bstack }, - { "[ ]", fullscreen }, -}; - -#define MOD ('`') -#define TAGKEYS(KEY,TAG) \ - { { MOD, 'v', KEY, }, { view, { tags[TAG] } } }, \ - { { MOD, 't', KEY, }, { tag, { tags[TAG] } } }, \ - { { MOD, 'V', KEY, }, { toggleview, { tags[TAG] } } }, \ - { { MOD, 'T', KEY, }, { toggletag, { tags[TAG] } } }, - -/* you can specifiy at most 3 arguments */ -static KeyBinding bindings[] = { - { { MOD, 'c', }, { create, { NULL } } }, - { { MOD, 'C', }, { create, { NULL, NULL, "$CWD" } } }, - { { MOD, 'x', 'x', }, { killclient, { NULL } } }, - { { MOD, 'j', }, { focusnext, { NULL } } }, - { { MOD, 'J', }, { focusdown, { NULL } } }, - { { MOD, 'K', }, { focusup, { NULL } } }, - { { MOD, 'H', }, { focusleft, { NULL } } }, - { { MOD, 'L', }, { focusright, { NULL } } }, - { { MOD, 'k', }, { focusprev, { NULL } } }, - { { MOD, 'f', }, { setlayout, { "[]=" } } }, - { { MOD, 'g', }, { setlayout, { "+++" } } }, - { { MOD, 'b', }, { setlayout, { "TTT" } } }, - { { MOD, 'm', }, { setlayout, { "[ ]" } } }, - { { MOD, ' ', }, { setlayout, { NULL } } }, - { { MOD, 'i', }, { incnmaster, { "+1" } } }, - { { MOD, 'd', }, { incnmaster, { "-1" } } }, - { { MOD, 'h', }, { setmfact, { "-0.05" } } }, - { { MOD, 'l', }, { setmfact, { "+0.05" } } }, - { { MOD, '.', }, { toggleminimize, { NULL } } }, - { { MOD, 's', }, { togglebar, { NULL } } }, - { { MOD, 'S', }, { togglebarpos, { NULL } } }, - { { MOD, 'M', }, { togglemouse, { NULL } } }, - { { MOD, '\n', }, { zoom , { NULL } } }, - { { MOD, '\r', }, { zoom , { NULL } } }, - { { MOD, '1', }, { focusn, { "1" } } }, - { { MOD, '2', }, { focusn, { "2" } } }, - { { MOD, '3', }, { focusn, { "3" } } }, - { { MOD, '4', }, { focusn, { "4" } } }, - { { MOD, '5', }, { focusn, { "5" } } }, - { { MOD, '6', }, { focusn, { "6" } } }, - { { MOD, '7', }, { focusn, { "7" } } }, - { { MOD, '8', }, { focusn, { "8" } } }, - { { MOD, '9', }, { focusn, { "9" } } }, - { { MOD, '\t', }, { focuslast, { NULL } } }, - { { MOD, 'q', 'q', }, { quit, { NULL } } }, - { { MOD, 'a', }, { togglerunall, { NULL } } }, - { { MOD, CTRL('L'), }, { redraw, { NULL } } }, - { { MOD, 'r', }, { redraw, { NULL } } }, - { { MOD, 'e', }, { copymode, { "dvtm-editor" } } }, - { { MOD, 'E', }, { copymode, { "dvtm-pager" } } }, - { { MOD, '/', }, { copymode, { "dvtm-pager", "/" } } }, - { { MOD, 'p', }, { paste, { NULL } } }, - { { MOD, KEY_PPAGE, }, { scrollback, { "-1" } } }, - { { MOD, KEY_NPAGE, }, { scrollback, { "1" } } }, - { { MOD, '?', }, { create, { "man dvtm", "dvtm help" } } }, - { { MOD, MOD, }, { send, { (const char []){MOD, 0} } } }, - { { KEY_SPREVIOUS, }, { scrollback, { "-1" } } }, - { { KEY_SNEXT, }, { scrollback, { "1" } } }, - { { MOD, '0', }, { view, { NULL } } }, - { { MOD, KEY_F(1), }, { view, { tags[0] } } }, - { { MOD, KEY_F(2), }, { view, { tags[1] } } }, - { { MOD, KEY_F(3), }, { view, { tags[2] } } }, - { { MOD, KEY_F(4), }, { view, { tags[3] } } }, - { { MOD, KEY_F(5), }, { view, { tags[4] } } }, - { { MOD, 'v', '0' }, { view, { NULL } } }, - { { MOD, 'v', '\t', }, { viewprevtag, { NULL } } }, - { { MOD, 't', '0' }, { tag, { NULL } } }, - TAGKEYS( '1', 0) - TAGKEYS( '2', 1) - TAGKEYS( '3', 2) - TAGKEYS( '4', 3) - TAGKEYS( '5', 4) -}; - -static const ColorRule colorrules[] = { - { "", A_NORMAL, &colors[DEFAULT] }, /* default */ -}; - -/* possible values for the mouse buttons are listed below: - * - * BUTTON1_PRESSED mouse button 1 down - * BUTTON1_RELEASED mouse button 1 up - * BUTTON1_CLICKED mouse button 1 clicked - * BUTTON1_DOUBLE_CLICKED mouse button 1 double clicked - * BUTTON1_TRIPLE_CLICKED mouse button 1 triple clicked - * BUTTON2_PRESSED mouse button 2 down - * BUTTON2_RELEASED mouse button 2 up - * BUTTON2_CLICKED mouse button 2 clicked - * BUTTON2_DOUBLE_CLICKED mouse button 2 double clicked - * BUTTON2_TRIPLE_CLICKED mouse button 2 triple clicked - * BUTTON3_PRESSED mouse button 3 down - * BUTTON3_RELEASED mouse button 3 up - * BUTTON3_CLICKED mouse button 3 clicked - * BUTTON3_DOUBLE_CLICKED mouse button 3 double clicked - * BUTTON3_TRIPLE_CLICKED mouse button 3 triple clicked - * BUTTON4_PRESSED mouse button 4 down - * BUTTON4_RELEASED mouse button 4 up - * BUTTON4_CLICKED mouse button 4 clicked - * BUTTON4_DOUBLE_CLICKED mouse button 4 double clicked - * BUTTON4_TRIPLE_CLICKED mouse button 4 triple clicked - * BUTTON_SHIFT shift was down during button state change - * BUTTON_CTRL control was down during button state change - * BUTTON_ALT alt was down during button state change - * ALL_MOUSE_EVENTS report all button state changes - * REPORT_MOUSE_POSITION report mouse movement - */ - -#ifdef NCURSES_MOUSE_VERSION -# define CONFIG_MOUSE /* compile in mouse support if we build against ncurses */ -#endif - -#define ENABLE_MOUSE true /* whether to enable mouse events by default */ - -#ifdef CONFIG_MOUSE -static Button buttons[] = { - { BUTTON1_CLICKED, { mouse_focus, { NULL } } }, - { BUTTON1_DOUBLE_CLICKED, { mouse_fullscreen, { "[ ]" } } }, - { BUTTON2_CLICKED, { mouse_zoom, { NULL } } }, - { BUTTON3_CLICKED, { mouse_minimize, { NULL } } }, -}; -#endif /* CONFIG_MOUSE */ - -static Cmd commands[] = { - /* create [cmd]: create a new window, run `cmd` in the shell if specified */ - { "create", { create, { NULL } } }, - /* focus <win_id>: focus the window whose `DVTM_WINDOW_ID` is `win_id` */ - { "focus", { focusid, { NULL } } }, - /* tag <win_id> <tag> [tag ...]: add +tag, remove -tag or set tag of the window with the given identifier */ - { "tag", { tagid, { NULL } } }, -}; - -/* gets executed when dvtm is started */ -static Action actions[] = { - { create, { NULL } }, -}; - -static char const * const keytable[] = { - /* add your custom key escape sequences */ -}; diff --git a/sys/cmd/dvtm/dvtm-editor.c b/sys/cmd/dvtm/dvtm-editor.c deleted file mode 100644 index e8685e9..0000000 --- a/sys/cmd/dvtm/dvtm-editor.c +++ /dev/null @@ -1,183 +0,0 @@ -/* Invoke $EDITOR as a filter. - * - * Copyright (c) 2016 Dmitry Bogatov <KAction@gnu.org> - * Copyright (c) 2017 Marc André Tanner <mat@brain-dump.org> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <errno.h> -#include <fcntl.h> -#include <stdarg.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -static -void -error(const char *msg, ...) { - va_list ap; - va_start(ap, msg); - vfprintf(stderr, msg, ap); - va_end(ap); - if (errno) - fprintf(stderr, ": %s", strerror(errno)); - fprintf(stderr, "\n"); -} - -int -main(int argc, char *argv[]) -{ - int exit_status = EXIT_FAILURE, tmp_write = -1; - - const char *editor = getenv("DVTM_EDITOR"); - if (!editor) - editor = getenv("VISUAL"); - if (!editor) - editor = getenv("EDITOR"); - if (!editor) - editor = "vi"; - - char tempname[] = "/tmp/dvtm-editor.XXXXXX"; - if ((tmp_write = mkstemp(tempname)) == -1) { - error("failed to open temporary file `%s'", tempname); - goto err; - } - - /* POSIX does not mandates modes of temporary file. */ - if (fchmod(tmp_write, 0600) == -1) { - error("failed to change mode of temporary file `%s'", tempname); - goto err; - } - - char buffer[2048]; - ssize_t bytes; - while ((bytes = read(STDIN_FILENO, buffer, sizeof(buffer))) > 0) { - do { - ssize_t written = write(tmp_write, buffer, bytes); - if (written == -1) { - error("failed to write data to temporary file `%s'", - tempname); - goto err; - } - bytes -= written; - } while (bytes > 0); - } - - if (fsync(tmp_write) == -1) { - error("failed to fsync temporary file `%s'", tempname); - goto err; - } - - struct stat stat_before; - if (fstat(tmp_write, &stat_before) == -1) { - error("failed to stat newly created temporary file `%s'", tempname); - goto err; - } - - if (close(tmp_write) == -1) { - error("failed to close temporary file `%s'", tempname); - goto err; - } - - pid_t pid = fork(); - if (pid == -1) { - error("failed to fork editor process"); - goto err; - } else if (pid == 0) { - int tty = open("/dev/tty", O_RDWR); - if (tty == -1) { - error("failed to open /dev/tty"); - _exit(1); - } - - if (dup2(tty, STDIN_FILENO) == -1) { - error("failed to set tty as stdin"); - _exit(1); - } - - if (dup2(tty, STDOUT_FILENO) == -1) { - error("failed to set tty as stdout"); - _exit(1); - } - - if (dup2(tty, STDERR_FILENO) == -1) { - error("failed to set tty as stderr"); - _exit(1); - } - - close(tty); - - const char *editor_argv[argc+2]; - editor_argv[0] = editor; - for (int i = 1; i < argc; i++) - editor_argv[i] = argv[i]; - editor_argv[argc] = tempname; - editor_argv[argc+1] = NULL; - - execvp(editor, (char* const*)editor_argv); - error("failed to exec editor process `%s'", editor); - _exit(127); - } - - int status; - if (waitpid(pid, &status, 0) == -1) { - error("waitpid failed"); - goto err; - } - if (!WIFEXITED(status)) { - error("editor invocation failed"); - goto err; - } - if ((status = WEXITSTATUS(status)) != 0) { - error("editor terminated with exit status: %d", status); - goto err; - } - - int tmp_read = open(tempname, O_RDONLY); - if (tmp_read == -1) { - error("failed to open for reading of edited temporary file `%s'", - tempname); - goto err; - } - - struct stat stat_after; - if (fstat(tmp_read, &stat_after) == -1) { - error("failed to stat edited temporary file `%s'", tempname); - goto err; - } - - if (stat_before.st_mtime == stat_after.st_mtime) - goto ok; /* no modifications */ - - while ((bytes = read(tmp_read, buffer, sizeof(buffer))) > 0) { - do { - ssize_t written = write(STDOUT_FILENO, buffer, bytes); - if (written == -1) { - error("failed to write data to stdout"); - goto err; - } - bytes -= written; - } while (bytes > 0); - } - -ok: - exit_status = EXIT_SUCCESS; -err: - if (tmp_write != -1) - unlink(tempname); - return exit_status; -} diff --git a/sys/cmd/dvtm/dvtm.c b/sys/cmd/dvtm/dvtm.c deleted file mode 100644 index 3c0f52b..0000000 --- a/sys/cmd/dvtm/dvtm.c +++ /dev/null @@ -1,1810 +0,0 @@ -#include "dvtm.h" - -/* global variables */ -uint waw, wah, wax, way; -Client *clients = nil; -char *title; -const char *dvtm_name = "dvtm"; -Screen screen = { .mfact = MFACT, .nmaster = NMASTER, .history = SCROLL_HISTORY }; -static Client *stack = nil; -static Client *sel = nil; -static Client *lastsel = nil; -static Client *msel = nil; - -static uint seltags; -static uint tagset[2] = { 1, 1 }; -static bool mouse_events_enabled = ENABLE_MOUSE; -static Layout *layout = layouts; - -static StatusBar bar = { .fd = -1, .lastpos = BAR_POS, .pos = BAR_POS, .autohide = BAR_AUTOHIDE, .h = 1 }; -static CmdFifo cmdfifo = { .fd = -1 }; -static const char *shell; -static Register copyreg; -static volatile sig_atomic_t running = true; -static bool runinall = false; - -/* function implementations */ - -static -void -eprint(const char *errstr, ...) -{ - va_list ap; - va_start(ap, errstr); - vfprintf(stderr, errstr, ap); - va_end(ap); -} - -static -void -fatal(const char *errstr, ...) -{ - va_list ap; - va_start(ap, errstr); - vfprintf(stderr, errstr, ap); - va_end(ap); - exit(EXIT_FAILURE); -} - -static -bool -isarrange(void (*func)()) -{ - return func == layout->arrange; -} - -static -bool -isvisible(Client *c) -{ - return c->tags & tagset[seltags]; -} - -static -bool -is_content_visible(Client *c) -{ - if (!c) - return false; - if (isarrange(fullscreen)) - return sel == c; - return isvisible(c) && !c->minimized; -} - -Client* -nextvisible(Client *c) -{ - for (; c && !isvisible(c); c = c->next); - return c; -} - -static -void -updatebarpos(void) -{ - bar.y = 0; - wax = 0; - way = 0; - wah = screen.h; - waw = screen.w; - if (bar.pos == BAR_TOP) { - wah -= bar.h; - way += bar.h; - } else if (bar.pos == BAR_BOTTOM) { - wah -= bar.h; - bar.y = wah; - } -} - -static -void -hidebar(void) -{ - if (bar.pos != BAR_OFF) { - bar.lastpos = bar.pos; - bar.pos = BAR_OFF; - } -} - -static -void -showbar(void) -{ - if (bar.pos == BAR_OFF) - bar.pos = bar.lastpos; -} - -static -void -drawbar(void) -{ - int sx, sy, x, y, width; - uint occupied = 0, urgent = 0; - if (bar.pos == BAR_OFF) - return; - - for (Client *c = clients; c; c = c->next) { - occupied |= c->tags; - if (c->urgent) - urgent |= c->tags; - } - - getyx(stdscr, sy, sx); - attrset(BAR_ATTR); - move(bar.y, 0); - - for (uint i = 0; i < arrlen(tags); i++){ - if (tagset[seltags] & (1 << i)) - attrset(TAG_SEL); - else if (urgent & (1 << i)) - attrset(TAG_URGENT); - else if (occupied & (1 << i)) - attrset(TAG_OCCUPIED); - else - attrset(TAG_NORMAL); - printw(TAG_SYMBOL, tags[i]); - } - - attrset(runinall ? TAG_SEL : TAG_NORMAL); - addstr(layout->symbol); - attrset(TAG_NORMAL); - - getyx(stdscr, y, x); - (void)y; - int maxwidth = screen.w - x - 2; - - addch(BAR_BEGIN); - attrset(BAR_ATTR); - - wchar_t wbuf[sizeof bar.text]; - size_t numchars = mbstowcs(wbuf, bar.text, sizeof bar.text); - - if (numchars != (size_t)-1 && (width = wcswidth(wbuf, maxwidth)) != -1) { - int pos; - for (pos = 0; pos + width < maxwidth; pos++) - addch(' '); - - for (size_t i = 0; i < numchars; i++) { - pos += wcwidth(wbuf[i]); - if (pos > maxwidth) - break; - addnwstr(wbuf+i, 1); - } - - clrtoeol(); - } - - attrset(TAG_NORMAL); - mvaddch(bar.y, screen.w - 1, BAR_END); - attrset(NORMAL_ATTR); - move(sy, sx); - wnoutrefresh(stdscr); -} - -static -int -show_border(void) { - return (bar.pos != BAR_OFF) || (clients && clients->next); -} - -static void -draw_border(Client *c) { - char t = '\0'; - int x, y, maxlen, attrs = NORMAL_ATTR; - - if (!show_border()) - return; - if (sel != c && c->urgent) - attrs = URGENT_ATTR; - if (sel == c || (runinall && !c->minimized)) - attrs = SELECTED_ATTR; - - wattrset(c->window, attrs); - getyx(c->window, y, x); - mvwhline(c->window, 0, 0, ACS_HLINE, c->w); - maxlen = c->w - 10; - if (maxlen < 0) - maxlen = 0; - if ((size_t)maxlen < sizeof(c->title)) { - t = c->title[maxlen]; - c->title[maxlen] = '\0'; - } - - mvwprintw(c->window, 0, 2, "[%s%s#%d]", - *c->title ? c->title : "", - *c->title ? " | " : "", - c->order); - if (t) - c->title[maxlen] = t; - wmove(c->window, y, x); -} - -static void -draw_content(Client *c) { - vt_draw(c->term, c->window, c->has_title_line, 0); -} - -static void -draw(Client *c) { - if (is_content_visible(c)) { - redrawwin(c->window); - draw_content(c); - } - if (!isarrange(fullscreen) || sel == c) - draw_border(c); - wnoutrefresh(c->window); -} - -static void -draw_all(void) { - if (!nextvisible(clients)) { - sel = nil; - curs_set(0); - erase(); - drawbar(); - doupdate(); - return; - } - - if (!isarrange(fullscreen)) { - for (Client *c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c != sel) - draw(c); - } - } - /* as a last step the selected window is redrawn, - * this has the effect that the cursor position is - * accurate - */ - if (sel) - draw(sel); -} - -static void -arrange(void) { - uint m = 0, n = 0; - for (Client *c = nextvisible(clients); c; c = nextvisible(c->next)) { - c->order = ++n; - if (c->minimized) - m++; - } - erase(); - attrset(NORMAL_ATTR); - if (bar.fd == -1 && bar.autohide) { - if ((!clients || !clients->next) && n == 1) - hidebar(); - else - showbar(); - updatebarpos(); - } - if (m && !isarrange(fullscreen)) - wah--; - layout->arrange(); - if (m && !isarrange(fullscreen)) { - uint i = 0, nw = waw / m, nx = wax; - for (Client *c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->minimized) { - resize(c, nx, way+wah, ++i == m ? waw - nx : nw, 1); - nx += nw; - } - } - wah++; - } - focus(nil); - wnoutrefresh(stdscr); - drawbar(); - draw_all(); -} - -static void -attach(Client *c) { - if (clients) - clients->prev = c; - c->next = clients; - c->prev = nil; - clients = c; - for (int o = 1; c; c = nextvisible(c->next), o++) - c->order = o; -} - -static void -attachafter(Client *c, Client *a) { /* attach c after a */ - if (c == a) - return; - if (!a) - for (a = clients; a && a->next; a = a->next); - - if (a) { - if (a->next) - a->next->prev = c; - c->next = a->next; - c->prev = a; - a->next = c; - for (int o = a->order; c; c = nextvisible(c->next)) - c->order = ++o; - } -} - -static void -attachstack(Client *c) { - c->snext = stack; - stack = c; -} - -static void -detach(Client *c) { - Client *d; - if (c->prev) - c->prev->next = c->next; - if (c->next) { - c->next->prev = c->prev; - for (d = nextvisible(c->next); d; d = nextvisible(d->next)) - --d->order; - } - if (c == clients) - clients = c->next; - c->next = c->prev = nil; -} - -static void -settitle(Client *c) { - char *term, *t = title; - if (!t && sel == c && *c->title) - t = c->title; - if (t && (term = getenv("TERM")) && !strstr(term, "linux")) { - printf("\033]0;%s\007", t); - fflush(stdout); - } -} - -static void -detachstack(Client *c) { - Client **tc; - for (tc = &stack; *tc && *tc != c; tc = &(*tc)->snext); - *tc = c->snext; -} - -void -focus(Client *c) { - if (!c) - for (c = stack; c && !isvisible(c); c = c->snext); - if (sel == c) - return; - lastsel = sel; - sel = c; - if (lastsel) { - lastsel->urgent = false; - if (!isarrange(fullscreen)) { - draw_border(lastsel); - wnoutrefresh(lastsel->window); - } - } - - if (c) { - detachstack(c); - attachstack(c); - settitle(c); - c->urgent = false; - if (isarrange(fullscreen)) { - draw(c); - } else { - draw_border(c); - wnoutrefresh(c->window); - } - } - curs_set(c && !c->minimized && vt_cursor_visible(c->term)); -} - -static -void -applycolorrules(Client *c) -{ - const ColorRule *r = colorrules; - int fg = r->color->fg, bg = r->color->bg; - attr_t attrs = r->attrs; - - for (uint i = 1; i < arrlen(colorrules); i++) { - r = &colorrules[i]; - if (strstr(c->title, r->title)) { - attrs = r->attrs; - fg = r->color->fg; - bg = r->color->bg; - break; - } - } - - vt_default_colors_set(c->term, attrs, fg, bg); -} - -static -void -term_title_handler(Vt *term, const char *title) { - Client *c = (Client *)vt_data_get(term); - if (title) - strncpy(c->title, title, sizeof(c->title) - 1); - c->title[title ? sizeof(c->title) - 1 : 0] = '\0'; - settitle(c); - if (!isarrange(fullscreen) || sel == c) - draw_border(c); - applycolorrules(c); -} - -static -void -term_urgent_handler(Vt *term) { - Client *c = (Client *)vt_data_get(term); - c->urgent = true; - printf("\a"); - fflush(stdout); - drawbar(); - if (!isarrange(fullscreen) && sel != c && isvisible(c)) - draw_border(c); -} - -static -void -move_client(Client *c, int x, int y) -{ - if (c->x == x && c->y == y) - return; - debug("moving, x: %d y: %d\n", x, y); - if (mvwin(c->window, y, x) == ERR) { - eprint("error moving, x: %d y: %d\n", x, y); - } else { - c->x = x; - c->y = y; - } -} - -static -void -resize_client(Client *c, int w, int h) -{ - bool has_title_line = show_border(); - bool resize_window = c->w != w || c->h != h; - if (resize_window) { - debug("resizing, w: %d h: %d\n", w, h); - if (wresize(c->window, h, w) == ERR) { - eprint("error resizing, w: %d h: %d\n", w, h); - } else { - c->w = w; - c->h = h; - } - } - if (resize_window || c->has_title_line != has_title_line) { - c->has_title_line = has_title_line; - vt_resize(c->app, h - has_title_line, w); - if (c->editor) - vt_resize(c->editor, h - has_title_line, w); - } -} - -void -resize(Client *c, int x, int y, int w, int h) -{ - resize_client(c, w, h); - move_client(c, x, y); -} - -static -Client* -get_client_by_coord(uint x, unsigned int y) { - if (y < way || y >= way+wah) - return nil; - if (isarrange(fullscreen)) - return sel; - for (Client *c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (x >= c->x && x < c->x + c->w && y >= c->y && y < c->y + c->h) { - debug("mouse event, x: %d y: %d client: %d\n", x, y, c->order); - return c; - } - } - return nil; -} - -static -void -sigchld_handler(int sig) { - int errsv = errno; - int status; - pid_t pid; - - while ((pid = waitpid(-1, &status, WNOHANG)) != 0) { - if (pid == -1) { - if (errno == ECHILD) { - /* no more child processes */ - break; - } - eprint("waitpid: %s\n", strerror(errno)); - break; - } - - debug("child with pid %d died\n", pid); - - for (Client *c = clients; c; c = c->next) { - if (c->pid == pid) { - c->died = true; - break; - } - if (c->editor && vt_pid_get(c->editor) == pid) { - c->editor_died = true; - break; - } - } - } - - errno = errsv; -} - -static -void -sigwinch_handler(int sig) { - screen.need_resize = true; -} - -static -void -sigterm_handler(int sig) { - running = false; -} - -static -void -resize_screen(void) -{ - struct winsize ws; - - if (ioctl(0, TIOCGWINSZ, &ws) == -1) { - getmaxyx(stdscr, screen.h, screen.w); - } else { - screen.w = ws.ws_col; - screen.h = ws.ws_row; - } - - debug("resize_screen(), w: %d h: %d\n", screen.w, screen.h); - - resizeterm(screen.h, screen.w); - wresize(stdscr, screen.h, screen.w); - updatebarpos(); - clear(); - arrange(); -} - -static -KeyBinding* -keybinding(KeyCombo keys, uint keycount) -{ - for (uint b = 0; b < arrlen(bindings); b++) { - for (uint k = 0; k < keycount; k++) { - if (keys[k] != bindings[b].keys[k]) - break; - if (k == keycount - 1) - return &bindings[b]; - } - } - return nil; -} - -static -uint -bitoftag(const char *tag) -{ - uint i; - if (!tag) - return ~0; - for (i = 0; (i < arrlen(tags)) && strcmp(tags[i], tag); i++); - return (i < arrlen(tags)) ? (1 << i) : 0; -} - -static void -tagschanged() { - bool allminimized = true; - for (Client *c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (!c->minimized) { - allminimized = false; - break; - } - } - if (allminimized && nextvisible(clients)) { - focus(nil); - toggleminimize(nil); - } - arrange(); -} - -void -tag(const char *args[]) -{ - if (!sel) - return; - sel->tags = bitoftag(args[0]) & TAGMASK; - tagschanged(); -} - -void -tagid(const char *args[]) -{ - if (!args[0] || !args[1]) - return; - - const int win_id = atoi(args[0]); - for (Client *c = clients; c; c = c->next) { - if (c->id == win_id) { - uint ntags = c->tags; - for (uint i = 1; i < MAX_ARGS && args[i]; i++) { - if (args[i][0] == '+') - ntags |= bitoftag(args[i]+1); - else if (args[i][0] == '-') - ntags &= ~bitoftag(args[i]+1); - else - ntags = bitoftag(args[i]); - } - ntags &= TAGMASK; - if (ntags) { - c->tags = ntags; - tagschanged(); - } - return; - } - } -} - -void -toggletag(const char *args[]) -{ - if (!sel) - return; - uint newtags = sel->tags ^ (bitoftag(args[0]) & TAGMASK); - if (newtags) { - sel->tags = newtags; - tagschanged(); - } -} - -void -toggleview(const char *args[]) -{ - uint newtagset = tagset[seltags] ^ (bitoftag(args[0]) & TAGMASK); - if (newtagset) { - tagset[seltags] = newtagset; - tagschanged(); - } -} - -void -view(const char *args[]) -{ - uint newtagset = bitoftag(args[0]) & TAGMASK; - if (tagset[seltags] != newtagset && newtagset) { - seltags ^= 1; /* toggle sel tagset */ - tagset[seltags] = newtagset; - tagschanged(); - } -} - -void -viewprevtag(const char *args[]) -{ - seltags ^= 1; - tagschanged(); -} - -static -void -keypress(int code) -{ - int key = -1; - uint len = 1; - char buf[8] = { '\e' }; - - if (code == '\e') { - /* pass characters following escape to the underlying app */ - nodelay(stdscr, TRUE); - for (int t; len < sizeof(buf) && (t = getch()) != ERR; len++) { - if (t > 255) { - key = t; - break; - } - buf[len] = t; - } - nodelay(stdscr, FALSE); - } - - for (Client *c = runinall ? nextvisible(clients) : sel; c; c = nextvisible(c->next)) { - if (is_content_visible(c)) { - c->urgent = false; - if (code == '\e') - vt_write(c->term, buf, len); - else - vt_keypress(c->term, code); - - if (key != -1) - vt_keypress(c->term, key); - } - if (!runinall) - break; - } -} - -static -void -mouse_setup(void) -{ -#ifdef CONFIG_MOUSE - mmask_t mask = 0; - - if (mouse_events_enabled) { - mask = BUTTON1_CLICKED | BUTTON2_CLICKED; - for (uint i = 0; i < arrlen(buttons); i++) - mask |= buttons[i].mask; - } - mousemask(mask, nil); -#endif /* CONFIG_MOUSE */ -} - -static bool -checkshell(const char *shell) { - if (shell == nil || *shell == '\0' || *shell != '/') - return false; - if (!strcmp(strrchr(shell, '/')+1, dvtm_name)) - return false; - if (access(shell, X_OK)) - return false; - return true; -} - -static const char * -getshell(void) { - const char *shell = getenv("SHELL"); - struct passwd *pw; - - if (checkshell(shell)) - return shell; - if ((pw = getpwuid(getuid())) && checkshell(pw->pw_shell)) - return pw->pw_shell; - return "/bin/sh"; -} - -static -void -setup(void) -{ - shell = getshell(); - setlocale(LC_CTYPE, ""); - initscr(); - start_color(); - noecho(); - nonl(); - keypad(stdscr, TRUE); - mouse_setup(); - raw(); - vt_init(); - vt_keytable_set(keytable, arrlen(keytable)); - for (uint i = 0; i < arrlen(colors); i++) { - if (COLORS == 256) { - if (colors[i].fg256) - colors[i].fg = colors[i].fg256; - if (colors[i].bg256) - colors[i].bg = colors[i].bg256; - } - colors[i].pair = vt_color_reserve(colors[i].fg, colors[i].bg); - } - resize_screen(); - - struct sigaction sa; - memset(&sa, 0, sizeof sa); - sa.sa_flags = 0; - sigemptyset(&sa.sa_mask); - sa.sa_handler = sigwinch_handler; - sigaction(SIGWINCH, &sa, nil); - sa.sa_handler = sigchld_handler; - sigaction(SIGCHLD, &sa, nil); - sa.sa_handler = sigterm_handler; - sigaction(SIGTERM, &sa, nil); - sa.sa_handler = SIG_IGN; - sigaction(SIGPIPE, &sa, nil); -} - -static -void -destroy(Client *c) { - if (sel == c) - focusnextnm(nil); - detach(c); - detachstack(c); - if (sel == c) { - Client *next = nextvisible(clients); - if (next) { - focus(next); - toggleminimize(nil); - } else { - sel = nil; - } - } - if (lastsel == c) - lastsel = nil; - werase(c->window); - wnoutrefresh(c->window); - vt_destroy(c->term); - delwin(c->window); - if (!clients && arrlen(actions)) { - if (!strcmp(c->cmd, shell)) - quit(nil); - else - create(nil); - } - free(c); - arrange(); -} - -static -void -cleanup(void) { - while (clients) - destroy(clients); - vt_shutdown(); - endwin(); - free(copyreg.data); - if (bar.fd > 0) - close(bar.fd); - if (bar.file) - unlink(bar.file); - if (cmdfifo.fd > 0) - close(cmdfifo.fd); - if (cmdfifo.file) - unlink(cmdfifo.file); -} - -static -char *getcwd_by_pid(Client *c) { - if (!c) - return nil; - char buf[32]; - snprintf(buf, sizeof buf, "/proc/%d/cwd", c->pid); - return realpath(buf, nil); -} - -void -create(const char *args[]) -{ - const char *pargs[4] = { shell, nil }; - char buf[8], *cwd = nil; - const char *env[] = { - "DVTM_WINDOW_ID", buf, - nil - }; - - if (args && args[0]) { - pargs[1] = "-c"; - pargs[2] = args[0]; - pargs[3] = nil; - } - Client *c = calloc(1, sizeof(Client)); - if (!c) - return; - c->tags = tagset[seltags]; - c->id = ++cmdfifo.id; - snprintf(buf, sizeof buf, "%d", c->id); - - if (!(c->window = newwin(wah, waw, way, wax))) { - free(c); - return; - } - - c->term = c->app = vt_create(screen.h, screen.w, screen.history); - if (!c->term) { - delwin(c->window); - free(c); - return; - } - - if (args && args[0]) { - c->cmd = args[0]; - char name[PATH_MAX]; - strncpy(name, args[0], sizeof(name)); - name[sizeof(name)-1] = '\0'; - strncpy(c->title, basename(name), sizeof(c->title)); - } else { - c->cmd = shell; - } - - if (args && args[1]) - strncpy(c->title, args[1], sizeof(c->title)); - c->title[sizeof(c->title)-1] = '\0'; - - if (args && args[2]) - cwd = !strcmp(args[2], "$CWD") ? getcwd_by_pid(sel) : (char*)args[2]; - c->pid = vt_forkpty(c->term, shell, pargs, cwd, env, nil, nil); - if (args && args[2] && !strcmp(args[2], "$CWD")) - free(cwd); - vt_data_set(c->term, c); - vt_title_handler_set(c->term, term_title_handler); - vt_urgent_handler_set(c->term, term_urgent_handler); - applycolorrules(c); - c->x = wax; - c->y = way; - debug("client with pid %d forked\n", c->pid); - attach(c); - focus(c); - arrange(); -} - -void -copymode(const char *args[]) -{ - if (!args || !args[0] || !sel || sel->editor) - return; - - bool colored = strstr(args[0], "pager") != nil; - - if (!(sel->editor = vt_create(sel->h - sel->has_title_line, sel->w, 0))) - return; - - int *to = &sel->editor_fds[0]; - int *from = strstr(args[0], "editor") ? &sel->editor_fds[1] : nil; - sel->editor_fds[0] = sel->editor_fds[1] = -1; - - const char *argv[3] = { args[0], nil, nil }; - char argline[32]; - int line = vt_content_start(sel->app); - snprintf(argline, sizeof(argline), "+%d", line); - argv[1] = argline; - - if (vt_forkpty(sel->editor, args[0], argv, nil, nil, to, from) < 0) { - vt_destroy(sel->editor); - sel->editor = nil; - return; - } - - sel->term = sel->editor; - - if (sel->editor_fds[0] != -1) { - char *buf = nil; - size_t len = vt_content_get(sel->app, &buf, colored); - char *cur = buf; - while (len > 0) { - ssize_t res = write(sel->editor_fds[0], cur, len); - if (res < 0) { - if (errno == EAGAIN || errno == EINTR) - continue; - break; - } - cur += res; - len -= res; - } - free(buf); - close(sel->editor_fds[0]); - sel->editor_fds[0] = -1; - } - - if (args[1]) - vt_write(sel->editor, args[1], strlen(args[1])); -} - -void -focusn(const char *args[]) -{ - for (Client *c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->order == atoi(args[0])) { - focus(c); - if (c->minimized) - toggleminimize(nil); - return; - } - } -} - -void -focusid(const char *args[]) -{ - if (!args[0]) - return; - - const int win_id = atoi(args[0]); - for (Client *c = clients; c; c = c->next) { - if (c->id == win_id) { - focus(c); - if (c->minimized) - toggleminimize(nil); - if (!isvisible(c)) { - c->tags |= tagset[seltags]; - tagschanged(); - } - return; - } - } -} - -void -focusnext(const char *args[]) -{ - Client *c; - if (!sel) - return; - for (c = sel->next; c && !isvisible(c); c = c->next); - if (!c) - for (c = clients; c && !isvisible(c); c = c->next); - if (c) - focus(c); -} - -void -focusnextnm(const char *args[]) -{ - if (!sel) - return; - Client *c = sel; - do { - c = nextvisible(c->next); - if (!c) - c = nextvisible(clients); - } while (c->minimized && c != sel); - focus(c); -} - -void -focusprev(const char *args[]) -{ - Client *c; - if (!sel) - return; - for (c = sel->prev; c && !isvisible(c); c = c->prev); - if (!c) { - for (c = clients; c && c->next; c = c->next); - for (; c && !isvisible(c); c = c->prev); - } - if (c) - focus(c); -} - -void -focusprevnm(const char *args[]) -{ - if (!sel) - return; - Client *c = sel; - do { - for (c = c->prev; c && !isvisible(c); c = c->prev); - if (!c) { - for (c = clients; c && c->next; c = c->next); - for (; c && !isvisible(c); c = c->prev); - } - } while (c && c != sel && c->minimized); - focus(c); -} - -void -focuslast(const char *args[]) -{ - if (lastsel) - focus(lastsel); -} - -void -focusup(const char *args[]) -{ - if (!sel) - return; - /* avoid vertical separator, hence +1 in x direction */ - Client *c = get_client_by_coord(sel->x + 1, sel->y - 1); - if (c) - focus(c); - else - focusprev(args); -} - -void -focusdown(const char *args[]) -{ - if (!sel) - return; - Client *c = get_client_by_coord(sel->x, sel->y + sel->h); - if (c) - focus(c); - else - focusnext(args); -} - -void -focusleft(const char *args[]) -{ - if (!sel) - return; - Client *c = get_client_by_coord(sel->x - 2, sel->y); - if (c) - focus(c); - else - focusprev(args); -} - -void -focusright(const char *args[]) -{ - if (!sel) - return; - Client *c = get_client_by_coord(sel->x + sel->w + 1, sel->y); - if (c) - focus(c); - else - focusnext(args); -} - -void -killclient(const char *args[]) -{ - if (!sel) - return; - debug("killing client with pid: %d\n", sel->pid); - kill(-sel->pid, SIGKILL); -} - -void -paste(const char *args[]) -{ - if (sel && copyreg.data) - vt_write(sel->term, copyreg.data, copyreg.len); -} - -void -quit(const char *args[]) -{ - cleanup(); - exit(EXIT_SUCCESS); -} - -void -redraw(const char *args[]) -{ - for (Client *c = clients; c; c = c->next) { - if (!c->minimized) { - vt_dirty(c->term); - wclear(c->window); - wnoutrefresh(c->window); - } - } - resize_screen(); -} - -void -scrollback(const char *args[]) -{ - if (!is_content_visible(sel)) - return; - - if (!args[0] || atoi(args[0]) < 0) - vt_scroll(sel->term, -sel->h/2); - else - vt_scroll(sel->term, sel->h/2); - - draw(sel); - curs_set(vt_cursor_visible(sel->term)); -} - -void -send(const char *args[]) -{ - if (sel && args && args[0]) - vt_write(sel->term, args[0], strlen(args[0])); -} - -void -setlayout(const char *args[]) -{ - uint i; - - if (!args || !args[0]) { - if (++layout == &layouts[arrlen(layouts)]) - layout = &layouts[0]; - } else { - for (i = 0; i < arrlen(layouts); i++) - if (!strcmp(args[0], layouts[i].symbol)) - break; - if (i == arrlen(layouts)) - return; - layout = &layouts[i]; - } - arrange(); -} - -void -incnmaster(const char *args[]) -{ - int delta; - - if (isarrange(fullscreen) || isarrange(grid)) - return; - /* arg handling, manipulate nmaster */ - if (args[0] == nil) { - screen.nmaster = NMASTER; - } else if (sscanf(args[0], "%d", &delta) == 1) { - if (args[0][0] == '+' || args[0][0] == '-') - screen.nmaster += delta; - else - screen.nmaster = delta; - if (screen.nmaster < 1) - screen.nmaster = 1; - } - arrange(); -} - -void -setmfact(const char *args[]) -{ - float delta; - - if (isarrange(fullscreen) || isarrange(grid)) - return; - /* arg handling, manipulate mfact */ - if (args[0] == nil) { - screen.mfact = MFACT; - } else if (sscanf(args[0], "%f", &delta) == 1) { - if (args[0][0] == '+' || args[0][0] == '-') - screen.mfact += delta; - else - screen.mfact = delta; - if (screen.mfact < 0.1) - screen.mfact = 0.1; - else if (screen.mfact > 0.9) - screen.mfact = 0.9; - } - arrange(); -} - -void -startup(const char *args[]) -{ - for (uint i = 0; i < arrlen(actions); i++) - actions[i].cmd(actions[i].args); -} - -void -togglebar(const char *args[]) -{ - if (bar.pos == BAR_OFF) - showbar(); - else - hidebar(); - bar.autohide = false; - updatebarpos(); - redraw(nil); -} - -void -togglebarpos(const char *args[]) -{ - switch (bar.pos == BAR_OFF ? bar.lastpos : bar.pos) { - case BAR_TOP: - bar.pos = BAR_BOTTOM; - break; - case BAR_BOTTOM: - bar.pos = BAR_TOP; - break; - } - updatebarpos(); - redraw(nil); -} - -void -toggleminimize(const char *args[]) -{ - Client *c, *m, *t; - uint n; - if (!sel) - return; - /* the last window can't be minimized */ - if (!sel->minimized) { - for (n = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) - if (!c->minimized) - n++; - if (n == 1) - return; - } - sel->minimized = !sel->minimized; - m = sel; - /* check whether the master client was minimized */ - if (sel == nextvisible(clients) && sel->minimized) { - c = nextvisible(sel->next); - detach(c); - attach(c); - focus(c); - detach(m); - for (; c && (t = nextvisible(c->next)) && !t->minimized; c = t); - attachafter(m, c); - } else if (m->minimized) { - /* non master window got minimized move it above all other - * minimized ones */ - focusnextnm(nil); - detach(m); - for (c = nextvisible(clients); c && (t = nextvisible(c->next)) && !t->minimized; c = t); - attachafter(m, c); - } else { /* window is no longer minimized, move it to the master area */ - vt_dirty(m->term); - detach(m); - attach(m); - } - arrange(); -} - -void -togglemouse(const char *args[]) -{ - mouse_events_enabled = !mouse_events_enabled; - mouse_setup(); -} - -void -togglerunall(const char *args[]) -{ - runinall = !runinall; - drawbar(); - draw_all(); -} - -void -zoom(const char *args[]) -{ - Client *c; - - if (!sel) - return; - if (args && args[0]) - focusn(args); - if ((c = sel) == nextvisible(clients)) - if (!(c = nextvisible(c->next))) - return; - detach(c); - attach(c); - focus(c); - if (c->minimized) - toggleminimize(nil); - arrange(); -} - -/* commands for use by mouse bindings */ -void -mouse_focus(const char *args[]) -{ - focus(msel); - if (msel->minimized) - toggleminimize(nil); -} - -void -mouse_fullscreen(const char *args[]) -{ - mouse_focus(nil); - setlayout(isarrange(fullscreen) ? nil : args); -} - -void -mouse_minimize(const char *args[]) -{ - focus(msel); - toggleminimize(nil); -} - -void -mouse_zoom(const char *args[]) -{ - focus(msel); - zoom(nil); -} - -static -Cmd * -get_cmd_by_name(const char *name) { - for (uint i = 0; i < arrlen(commands); i++) { - if (!strcmp(name, commands[i].name)) - return &commands[i]; - } - return nil; -} - -static -void -handle_cmdfifo(void) { - int r; - char *p, *s, cmdbuf[512], c; - Cmd *cmd; - - r = read(cmdfifo.fd, cmdbuf, sizeof cmdbuf - 1); - if (r <= 0) { - cmdfifo.fd = -1; - return; - } - - cmdbuf[r] = '\0'; - p = cmdbuf; - while (*p) { - /* find the command name */ - for (; *p == ' ' || *p == '\n'; p++); - for (s = p; *p && *p != ' ' && *p != '\n'; p++); - if ((c = *p)) - *p++ = '\0'; - if (*s && (cmd = get_cmd_by_name(s)) != nil) { - bool quote = false; - int argc = 0; - const char *args[MAX_ARGS], *arg; - memset(args, 0, sizeof(args)); - /* if arguments were specified in config.h ignore the one given via - * the named pipe and thus skip everything until we find a new line - */ - if (cmd->action.args[0] || c == '\n') { - debug("execute %s", s); - cmd->action.cmd(cmd->action.args); - while (*p && *p != '\n') - p++; - continue; - } - /* no arguments were given in config.h so we parse the command line */ - while (*p == ' ') - p++; - arg = p; - for (; (c = *p); p++) { - switch (*p) { - case '\\': - /* remove the escape character '\\' move every - * following character to the left by one position - */ - switch (p[1]) { - case '\\': - case '\'': - case '\"': { - char *t = p+1; - do { - t[-1] = *t; - } while (*t++); - } - } - break; - case '\'': - case '\"': - quote = !quote; - break; - case ' ': - if (!quote) { - case '\n': - /* remove trailing quote if there is one */ - if (*(p - 1) == '\'' || *(p - 1) == '\"') - *(p - 1) = '\0'; - *p++ = '\0'; - /* remove leading quote if there is one */ - if (*arg == '\'' || *arg == '\"') - arg++; - if (argc < MAX_ARGS) - args[argc++] = arg; - - while (*p == ' ') - ++p; - arg = p--; - } - break; - } - - if (c == '\n' || *p == '\n') { - if (!*p) - p++; - debug("execute %s", s); - for(int i = 0; i < argc; i++) - debug(" %s", args[i]); - debug("\n"); - cmd->action.cmd(args); - break; - } - } - } - } -} - -static void -handle_mouse(void) { -#ifdef CONFIG_MOUSE - MEVENT event; - uint i; - if (getmouse(&event) != OK) - return; - msel = get_client_by_coord(event.x, event.y); - - if (!msel) - return; - - debug("mouse x:%d y:%d cx:%d cy:%d mask:%d\n", event.x, event.y, event.x - msel->x, event.y - msel->y, event.bstate); - - vt_mouse(msel->term, event.x - msel->x, event.y - msel->y, event.bstate); - - for (i = 0; i < arrlen(buttons); i++) { - if (event.bstate & buttons[i].mask) - buttons[i].action.cmd(buttons[i].action.args); - } - - msel = nil; -#endif /* CONFIG_MOUSE */ -} - -static void -handle_statusbar(void) { - char *p; - int r; - switch (r = read(bar.fd, bar.text, sizeof bar.text - 1)) { - case -1: - strncpy(bar.text, strerror(errno), sizeof bar.text - 1); - bar.text[sizeof bar.text - 1] = '\0'; - bar.fd = -1; - break; - case 0: - bar.fd = -1; - break; - default: - bar.text[r] = '\0'; - p = bar.text + r - 1; - for (; p >= bar.text && *p == '\n'; *p-- = '\0'); - for (; p >= bar.text && *p != '\n'; --p); - if (p >= bar.text) - memmove(bar.text, p + 1, strlen(p)); - drawbar(); - } -} - -static void -handle_editor(Client *c) { - if (!copyreg.data && (copyreg.data = malloc(screen.history))) - copyreg.size = screen.history; - copyreg.len = 0; - while (c->editor_fds[1] != -1 && copyreg.len < copyreg.size) { - ssize_t len = read(c->editor_fds[1], copyreg.data + copyreg.len, copyreg.size - copyreg.len); - if (len == -1) { - if (errno == EINTR) - continue; - break; - } - if (len == 0) - break; - copyreg.len += len; - if (copyreg.len == copyreg.size) { - copyreg.size *= 2; - if (!(copyreg.data = realloc(copyreg.data, copyreg.size))) { - copyreg.size = 0; - copyreg.len = 0; - } - } - } - c->editor_died = false; - c->editor_fds[1] = -1; - vt_destroy(c->editor); - c->editor = nil; - c->term = c->app; - vt_dirty(c->term); - draw_content(c); - wnoutrefresh(c->window); -} - -static int -open_or_create_fifo(const char *name, const char **name_created) { - struct stat info; - int fd; - - do { - if ((fd = open(name, O_RDWR|O_NONBLOCK)) == -1) { - if (errno == ENOENT && !mkfifo(name, S_IRUSR|S_IWUSR)) { - *name_created = name; - continue; - } - fatal("%s\n", strerror(errno)); - } - } while (fd == -1); - - if (fstat(fd, &info) == -1) - fatal("%s\n", strerror(errno)); - if (!S_ISFIFO(info.st_mode)) - fatal("%s is not a named pipe\n", name); - return fd; -} - -static -void -usage(void) { - cleanup(); - eprint("usage: dvtm [-v] [-M] [-m mod] [-d delay] [-h lines] [-t title] " - "[-s status-fifo] [-c cmd-fifo] [cmd...]\n"); - exit(EXIT_FAILURE); -} - -static -bool -parse_args(int argc, char *argv[]) { - bool init = false; - const char *name = argv[0]; - - if (name && (name = strrchr(name, '/'))) - dvtm_name = name + 1; - if (!getenv("ESCDELAY")) - set_escdelay(100); - for (int arg = 1; arg < argc; arg++) { - if (argv[arg][0] != '-') { - const char *args[] = { argv[arg], nil, nil }; - if (!init) { - setup(); - init = true; - } - create(args); - continue; - } - if (argv[arg][1] != 'v' && argv[arg][1] != 'M' && (arg + 1) >= argc) - usage(); - switch (argv[arg][1]) { - case 'v': - puts("dvtm-"VERSION); - exit(EXIT_SUCCESS); - case 'M': - mouse_events_enabled = !mouse_events_enabled; - break; - case 'm': { - char *mod = argv[++arg]; - if (mod[0] == '^' && mod[1]) - *mod = CTRL(mod[1]); - for (uint b = 0; b < arrlen(bindings); b++) - if (bindings[b].keys[0] == MOD) - bindings[b].keys[0] = *mod; - break; - } - case 'd': - set_escdelay(atoi(argv[++arg])); - if (ESCDELAY < 50) - set_escdelay(50); - else if (ESCDELAY > 1000) - set_escdelay(1000); - break; - case 'h': - screen.history = atoi(argv[++arg]); - break; - case 't': - title = argv[++arg]; - break; - case 's': - bar.fd = open_or_create_fifo(argv[++arg], &bar.file); - updatebarpos(); - break; - case 'c': { - const char *fifo; - cmdfifo.fd = open_or_create_fifo(argv[++arg], &cmdfifo.file); - if (!(fifo = realpath(argv[arg], nil))) - fatal("%s\n", strerror(errno)); - setenv("DVTM_CMD_FIFO", fifo, 1); - break; - } - default: - usage(); - } - } - return init; -} - -int -main(int argc, char *argv[]) -{ - KeyCombo keys; - uint key_index = 0; - memset(keys, 0, sizeof(keys)); - sigset_t emptyset, blockset; - - setenv("DVTM", VERSION, 1); - if (!parse_args(argc, argv)) { - setup(); - startup(nil); - } - - sigemptyset(&emptyset); - sigemptyset(&blockset); - sigaddset(&blockset, SIGWINCH); - sigaddset(&blockset, SIGCHLD); - sigprocmask(SIG_BLOCK, &blockset, nil); - - while (running) { - int r, nfds = 0; - fd_set rd; - - if (screen.need_resize) { - resize_screen(); - screen.need_resize = false; - } - - FD_ZERO(&rd); - FD_SET(STDIN_FILENO, &rd); - - if (cmdfifo.fd != -1) { - FD_SET(cmdfifo.fd, &rd); - nfds = cmdfifo.fd; - } - - if (bar.fd != -1) { - FD_SET(bar.fd, &rd); - nfds = MAX(nfds, bar.fd); - } - - for (Client *c = clients; c;) { - if (c->editor && c->editor_died) - handle_editor(c); - if (!c->editor && c->died) { - Client *t = c->next; - destroy(c); - c = t; - continue; - } - int pty = c->editor ? vt_pty_get(c->editor) : vt_pty_get(c->app); - FD_SET(pty, &rd); - nfds = MAX(nfds, pty); - c = c->next; - } - - doupdate(); - r = pselect(nfds + 1, &rd, nil, nil, nil, &emptyset); - - if (r < 0) { - if (errno == EINTR) - continue; - perror("select()"); - exit(EXIT_FAILURE); - } - - if (FD_ISSET(STDIN_FILENO, &rd)) { - /* NOTE: this is the input handling step */ - int code = getch(); - if (code >= 0) { - keys[key_index++] = code; - KeyBinding *binding = nil; - - if (code == KEY_MOUSE) { - key_index = 0; - handle_mouse(); - } else if ((binding = keybinding(keys, key_index))) { - uint key_length = MAX_KEYS; - while (key_length > 1 && !binding->keys[key_length-1]) - key_length--; - if (key_index == key_length) { - binding->action.cmd(binding->action.args); - key_index = 0; - memset(keys, 0, sizeof(keys)); - } - } else { - key_index = 0; - memset(keys, 0, sizeof(keys)); - keypress(code); - } - } - if (r == 1) /* no data available on pty's */ - continue; - } - - if (cmdfifo.fd != -1 && FD_ISSET(cmdfifo.fd, &rd)) - handle_cmdfifo(); - - if (bar.fd != -1 && FD_ISSET(bar.fd, &rd)) - handle_statusbar(); - - for (Client *c = clients; c; c = c->next) { - if (FD_ISSET(vt_pty_get(c->term), &rd)) { - if (vt_process(c->term) < 0 && errno == EIO) { - if (c->editor) - c->editor_died = true; - else - c->died = true; - continue; - } - } - - if (c != sel && is_content_visible(c)) { - draw_content(c); - wnoutrefresh(c->window); - } - } - - if (is_content_visible(sel)) { - draw_content(sel); - curs_set(vt_cursor_visible(sel->term)); - wnoutrefresh(sel->window); - } - } - - cleanup(); - return 0; -} diff --git a/sys/cmd/dvtm/dvtm.h b/sys/cmd/dvtm/dvtm.h deleted file mode 100644 index a777e18..0000000 --- a/sys/cmd/dvtm/dvtm.h +++ /dev/null @@ -1,233 +0,0 @@ - /* See LICENSE for details. */ -#pragma once -#include <u.h> -#include <libn.h> - -#include <locale.h> -#include <libgen.h> - -#include <sys/select.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <sys/wait.h> -#include <sys/time.h> -#include <sys/types.h> - -// #include <vendor/curses.h> -#include <termios.h> - -#include "vt.h" - -/* types */ -typedef struct Layout Layout; -typedef struct Client Client; -typedef struct Screen Screen; - -typedef struct Cmd Cmd; -typedef struct CmdFifo CmdFifo; -typedef struct Register Register; -typedef struct Editor Editor; - -typedef struct Button Button; -typedef struct KeyBinding KeyBinding; -typedef struct StatusBar StatusBar; - -struct Screen -{ - float mfact; - uint nmaster; - int history; - int w, h; - volatile sig_atomic_t need_resize; -}; - -struct Layout -{ - const char *symbol; - void (*arrange)(void); -} ; - -struct Client -{ - WINDOW *window; - Vt *term; - Vt *editor, *app; - /* meta data */ - int editor_fds[2]; - volatile sig_atomic_t editor_died; - const char *cmd; - char title[255]; - int order; - pid_t pid; - ushort id; - ushort x, y, w, h; - bool has_title_line; - bool minimized; - bool urgent; - volatile sig_atomic_t died; - Client *next, *prev, *snext; - uint tags; -}; - -typedef struct { - int fg; - int bg; - int fg256; - int bg256; - int pair; -} Color; - -typedef struct { - const char *title; - attr_t attrs; - Color *color; -} ColorRule; - -#define ALT(k) ((k) + (161 - 'a')) - -#if defined CTRL && defined _AIX -#undef CTRL -#endif - -#ifndef CTRL -#define CTRL(k) ((k) & 0x1F) -#endif -#define CTRL_ALT(k) ((k) + (129 - 'a')) - -#define MAX_ARGS 8 - -typedef struct -{ - void (*cmd)(const char *args[]); - const char *args[3]; -} Action; - -#define MAX_KEYS 3 - -typedef uint KeyCombo[MAX_KEYS]; - -struct KeyBinding -{ - KeyCombo keys; - Action action; -}; - -struct Button -{ - mmask_t mask; - Action action; -}; - -struct Cmd -{ - const char *name; - Action action; -} ; - -enum { BAR_TOP, BAR_BOTTOM, BAR_OFF }; - -struct StatusBar -{ - int fd; - int pos, lastpos; - bool autohide; - ushort h; - ushort y; - char text[512]; - const char *file; -}; - -struct CmdFifo -{ - int fd; - const char *file; - ushort id; -}; - -struct Register -{ - char *data; - size_t len; - size_t size; -}; - -struct Editor -{ - char *name; - const char *argv[4]; - bool filter; - bool color; -}; - -#define TAGMASK ((1 << arrlen(tags)) - 1) - -#ifdef NDEBUG - #define debug(format, args...) -#else - #define debug eprint -#endif - -/* commands for use by keybindings */ -void create(const char *args[]); -void copymode(const char *args[]); -void focusn(const char *args[]); -void focusid(const char *args[]); -void focusnext(const char *args[]); -void focusnextnm(const char *args[]); -void focusprev(const char *args[]); -void focusprevnm(const char *args[]); -void focuslast(const char *args[]); -void focusup(const char *args[]); -void focusdown(const char *args[]); -void focusleft(const char *args[]); -void focusright(const char *args[]); -void killclient(const char *args[]); -void paste(const char *args[]); -void quit(const char *args[]); -void redraw(const char *args[]); -void scrollback(const char *args[]); -void send(const char *args[]); -void setlayout(const char *args[]); -void incnmaster(const char *args[]); -void setmfact(const char *args[]); -void startup(const char *args[]); -void tag(const char *args[]); -void tagid(const char *args[]); -void togglebar(const char *args[]); -void togglebarpos(const char *args[]); -void toggleminimize(const char *args[]); -void togglemouse(const char *args[]); -void togglerunall(const char *args[]); -void toggletag(const char *args[]); -void toggleview(const char *args[]); -void viewprevtag(const char *args[]); -void view(const char *args[]); -void zoom(const char *args[]); - -/* commands for use by mouse bindings */ -void mouse_focus(const char *args[]); -void mouse_fullscreen(const char *args[]); -void mouse_minimize(const char *args[]); -void mouse_zoom(const char *args[]); - -/* functions and variables available to layouts via config.h */ -Client* nextvisible(Client *c); -void focus(Client *c); -void resize(Client *c, int x, int y, int w, int h); - -extern Screen screen; -extern uint waw, wah, wax, way; -extern Client *clients; -extern char *title; - -void fibonacci(int s); -void spiral(void); -void dwindle(void); -void fullscreen(void); -void grid(void); -void tile(void); -void tstack(void); -void bstack(void); -void vstack(void); - -#include "config.h" diff --git a/sys/cmd/dvtm/dvtm.info b/sys/cmd/dvtm/dvtm.info deleted file mode 100644 index cafc0fe..0000000 --- a/sys/cmd/dvtm/dvtm.info +++ /dev/null @@ -1,136 +0,0 @@ -dvtm|dynamic virtual terminal manager, - am, - eo, - mir, - msgr, - xenl, - colors#8, - cols#80, - it#8, - lines#24, - ncv@, - pairs#64, - acsc=``aaffggjjkkllmmnnooppqqrrssttuuvvwwxxyyzz{{||}}~~, - bel=^G, - blink=\E[5m, - bold=\E[1m, - civis=\E[?25l, - clear=\E[H\E[2J, - cnorm=\E[?25h, - cr=^M, - csr=\E[%i%p1%d;%p2%dr, - cub=\E[%p1%dD, - cub1=^H, - cud=\E[%p1%dB, - cud1=^J, - cuf=\E[%p1%dC, - cuf1=\E[C, - cup=\E[%i%p1%d;%p2%dH, - cuu=\E[%p1%dA, - cuu1=\E[A, - dl=\E[%p1%dM, - dl1=\E[M, - ed=\E[J, - el=\E[K, - el1=\E[1K, - enacs=\E(B\E)0, - home=\E[H, - hpa=\E[%i%p1%dG, - ht=^I, - hts=\EH, - ich=\E[%p1%d@, - ich1=\E[@, - il=\E[%p1%dL, - il1=\E[L, - ind=^J, - is1=\E[?47l\E=\E[?1l, - is2=\E[r\E[m\E[2J\E[H\E[?7h\E[?1;3;4;6l\E[4l, - kDC=\E[3$, - kEND=\E[8$, - kHOM=\E[7$, - kIC=\E[2$, - kLFT=\E[d, - kNXT=\E[6$, - kPRV=\E[5$, - kRIT=\E[c, - ka1=\EOw, - ka3=\EOy, - kb2=\EOu, - kbs=\177, - kc1=\EOq, - kc3=\EOs, - kcbt=\E[Z, - kcub1=\E[D, - kcud1=\E[B, - kcuf1=\E[C, - kcuu1=\E[A, - kdch1=\E[3~, - kel=\E[8\^, - kend=\E[8~, - kent=\EOM, - kf0=\E[21~, - kf1=\E[11~, - kf2=\E[12~, - kf3=\E[13~, - kf4=\E[14~, - kf5=\E[15~, - kf6=\E[17~, - kf7=\E[18~, - kf8=\E[19~, - kf9=\E[20~, - kf10=\E[21~, - kf11=\E[23~, - kf12=\E[24~, - kf13=\E[25~, - kf14=\E[26~, - kf15=\E[28~, - kf16=\E[29~, - kf17=\E[31~, - kf18=\E[32~, - kf19=\E[33~, - kf20=\E[34~, - kf21=\E[23$, - kf22=\E[24$ - kfnd=\E[1~, - khome=\E[7~, - kich1=\E[2~, - kind=\E[a, - kmous=\E[M, - knp=\E[6~, - kpp=\E[5~, - kri=\E[b, - kslt=\E[4~, - op=\E[39;49m, - rc=\E8, - rev=\E[7m, - ri=\EM, - ritm=\E[23m, - rmacs=^O, - rmcup=\E[2J\E[?47l\E8, - rmir=\E[4l, - rmso=\E[27m, - rmul=\E[24m, - rs1=\E>\E[?1;3;4;5;6l\E[?7h\E[m\E[r\E[2J\E[H, - rs2=\E[r\E[m\E[2J\E[H\E[?7h\E[?1;3;4;6l\E[4l\E>\E[?1000l\E[?25h, - s0ds=\E(B, - s1ds=\E(0, - sc=\E7, - setab=\E[4%p1%dm, - setaf=\E[3%p1%dm, - sgr=\E[0%?%p6%t;1%;%?%p2%t;4%;%?%p1%p3%|%t;7%;%?%p4%t;5%;m%?%p9%t\016%e\017%;, - sgr0=\E[m\017, - sitm=\E[3m, - smacs=^N, - smcup=\E7\E[?47h, - smir=\E[4h, - smso=\E[7m, - smul=\E[4m, - tbc=\E[3g, - vpa=\E[%i%p1%dd, - -dvtm-256color|dynamic virtual terminal manager with 256 colors, - use=dvtm, - colors#256, - pairs#32767, - setab=\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m, - setaf=\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m, diff --git a/sys/cmd/dvtm/hook.c b/sys/cmd/dvtm/hook.c deleted file mode 100644 index 6865f87..0000000 --- a/sys/cmd/dvtm/hook.c +++ /dev/null @@ -1,346 +0,0 @@ -#include "dvtm.h" - -void -fibonacci(int s) -{ - unsigned int nx, ny, nw, nnw, nh, nnh, i, n, mod; - Client *c; - - for (n = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) - if (!c->minimized) - n++; - - /* initial position and dimensions */ - nx = wax; - ny = way; - nw = (n == 1) ? waw : screen.mfact * waw; - /* don't waste space dviding by 2 doesn't work for odd numbers - * plus we need space for the border too. therefore set up these - * variables for the next new width/height - */ - nnw = waw - nw - 1; - nnh = nh = wah; - - /* set the mod factor, 2 for dwindle, 4 for spiral */ - mod = s ? 4 : 2; - - for (i = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->minimized) - continue; - /* dwindle: even case, spiral: case 0 */ - if (i % mod == 0) { - if (i) { - if (s) { - nh = nnh; - ny -= nh; - } else { - ny += nh; - nh = nnh; - } - /* don't adjust the width for the last client */ - if (i < n - 1) { - nw /= 2; - nnw -= nw + 1; - } - mvaddch(ny, nx - 1, ACS_LTEE); - } - } else if (i % mod == 1) { /* dwindle: odd case, spiral: case 1 */ - nx += nw; - mvvline(ny, nx, ACS_VLINE, nh); - mvaddch(ny, nx, ACS_TTEE); - ++nx; - nw = nnw; - /* don't adjust the height for the last client */ - if (i < n - 1) { - nh /= 2; - nnh -= nh; - } - } else if (i % mod == 2 && s) { /* spiral: case 2 */ - ny += nh; - nh = nnh; - /* don't adjust the width for the last client */ - if (i < n - 1) { - nw /= 2; - nnw -= nw + 1; - nx += nnw; - mvvline(ny, nx, ACS_VLINE, nh); - mvaddch(ny, nx, ACS_TTEE); - ++nx; - } else { - mvaddch(ny, nx - 1, ACS_LTEE); - } - } else if (s) { /* spiral: case 3 */ - nw = nnw; - nx -= nw + 1; /* border */ - /* don't adjust the height for the last client */ - if (i < n - 1) { - nh /= 2; - nnh -= nh; - ny += nnh; - } - mvaddch(ny, nx - 1, ACS_LTEE); - } - - resize(c, nx, ny, nw, nh); - i++; - } -} - - -void -spiral(void) -{ - fibonacci(1); -} - -void -dwindle(void) -{ - fibonacci(0); -} - -void -fullscreen(void) -{ - for (Client *c = nextvisible(clients); c; c = nextvisible(c->next)) - resize(c, wax, way, waw, wah); -} - -void -grid(void) -{ - unsigned int i, n, nx, ny, nw, nh, aw, ah, cols, rows; - Client *c; - - for (n = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) - if (!c->minimized) - n++; - /* grid dimensions */ - for (cols = 0; cols <= n / 2; cols++) - if (cols * cols >= n) - break; - rows = (cols && (cols - 1) * cols >= n) ? cols - 1 : cols; - /* window geoms (cell height/width) */ - nh = wah / (rows ? rows : 1); - nw = waw / (cols ? cols : 1); - for (i = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->minimized) - continue; - /* if there are less clients in the last row than normal adjust the - * split rate to fill the empty space */ - if (rows > 1 && i == (rows * cols) - cols && (n - i) <= (n % cols)) - nw = waw / (n - i); - nx = (i % cols) * nw + wax; - ny = (i / cols) * nh + way; - /* adjust height/width of last row/column's windows */ - ah = (i >= cols * (rows - 1)) ? wah - nh * rows : 0; - /* special case if there are less clients in the last row */ - if (rows > 1 && i == n - 1 && (n - i) < (n % cols)) - /* (n % cols) == number of clients in the last row */ - aw = waw - nw * (n % cols); - else - aw = ((i + 1) % cols == 0) ? waw - nw * cols : 0; - if (i % cols) { - mvvline(ny, nx, ACS_VLINE, nh + ah); - /* if we are on the first row, or on the last one and there are fewer clients - * than normal whose border does not match the line above, print a top tree char - * otherwise a plus sign. */ - if (i <= cols - || (i >= rows * cols - cols && n % cols - && (cols - (n % cols)) % 2)) - mvaddch(ny, nx, ACS_TTEE); - else - mvaddch(ny, nx, ACS_PLUS); - nx++, aw--; - } - resize(c, nx, ny, nw + aw, nh + ah); - i++; - } -} - -void -tile(void) -{ - unsigned int i, n, nx, ny, nw, nh, m, mw, mh, th; - Client *c; - - for (n = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) - if (!c->minimized) - n++; - - m = MAX(1, MIN(n, screen.nmaster)); - mw = n == m ? waw : screen.mfact * waw; - mh = wah / m; - th = n == m ? 0 : wah / (n - m); - nx = wax; - ny = way; - - for (i = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->minimized) - continue; - if (i < m) { /* master */ - nw = mw; - nh = (i < m - 1) ? mh : (way + wah) - ny; - } else { /* tile window */ - if (i == m) { - ny = way; - nx += mw; - mvvline(ny, nx, ACS_VLINE, wah); - mvaddch(ny, nx, ACS_TTEE); - nx++; - nw = waw - mw -1; - } - nh = (i < n - 1) ? th : (way + wah) - ny; - if (i > m) - mvaddch(ny, nx - 1, ACS_LTEE); - } - resize(c, nx, ny, nw, nh); - ny += nh; - i++; - } - - /* Fill in nmaster intersections */ - if (n > m) { - ny = way + mh; - for (i = 1; i < m; i++) { - mvaddch(ny, nx - 1, ((ny - 1) % th ? ACS_RTEE : ACS_PLUS)); - ny += mh; - } - } -} - -void -tstack(void) -{ - unsigned int i, n, nx, ny, nw, nh, m, mw, mh, tw; - Client *c; - - for (n = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) - if (!c->minimized) - n++; - - m = MAX(1, MIN(n, screen.nmaster)); - mh = n == m ? wah : screen.mfact * wah; - mw = waw / m; - tw = n == m ? 0 : waw / (n - m); - nx = wax; - ny = way + wah - mh; - - for (i = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->minimized) - continue; - if (i < m) { /* master */ - if (i > 0) { - mvvline(ny, nx, ACS_VLINE, nh); - mvaddch(ny, nx, ACS_TTEE); - nx++; - } - nh = mh; - nw = (i < m - 1) ? mw : (wax + waw) - nx; - } else { /* tile window */ - if (i == m) { - nx = wax; - ny = way; - nh = (way + wah) - ny - mh; - } - if (i > m) { - mvvline(ny, nx, ACS_VLINE, nh); - mvaddch(ny, nx, ACS_TTEE); - nx++; - } - nw = (i < n - 1) ? tw : (wax + waw) - nx; - } - resize(c, nx, ny, nw, nh); - nx += nw; - i++; - } -} - -void -bstack(void) -{ - unsigned int i, n, nx, ny, nw, nh, m, mw, mh, tw; - Client *c; - - for (n = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) - if (!c->minimized) - n++; - - m = MAX(1, MIN(n, screen.nmaster)); - mh = n == m ? wah : screen.mfact * wah; - mw = waw / m; - tw = n == m ? 0 : waw / (n - m); - nx = wax; - ny = way; - - for (i = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->minimized) - continue; - if (i < m) { /* master */ - if (i > 0) { - mvvline(ny, nx, ACS_VLINE, nh); - mvaddch(ny, nx, ACS_TTEE); - nx++; - } - nh = mh; - nw = (i < m - 1) ? mw : (wax + waw) - nx; - } else { /* tile window */ - if (i == m) { - nx = wax; - ny += mh; - nh = (way + wah) - ny; - } - if (i > m) { - mvvline(ny, nx, ACS_VLINE, nh); - mvaddch(ny, nx, ACS_TTEE); - nx++; - } - nw = (i < n - 1) ? tw : (wax + waw) - nx; - } - resize(c, nx, ny, nw, nh); - nx += nw; - i++; - } - - /* Fill in nmaster intersections */ - if (n > m) { - nx = wax; - for (i = 0; i < m; i++) { - if (i > 0) { - mvaddch(ny, nx, ACS_PLUS); - nx++; - } - nw = (i < m - 1) ? mw : (wax + waw) - nx; - nx += nw; - } - } -} - -/* a vertical stack layout, all windows have the full screen width. */ -void -vstack(void) -{ - unsigned int i, n, ny, nh, m, mh, th; - Client *c; - - for (n = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) - if (!c->minimized) - n++; - - m = MAX(1, MIN(n, screen.nmaster)); - mh = (n == m ? wah : screen.mfact * wah); - th = n == m ? 0 : (wah - mh) / (n - m); - ny = way; - - for (i = 0, c = nextvisible(clients); c; c = nextvisible(c->next)) { - if (c->minimized) - continue; - if (i < m) /* master */ - nh = (i < m - 1) ? mh / m : (way + mh) - ny; - else /* tile window */ - nh = (i < n - 1) ? th : (way + wah) - ny; - resize(c, wax, ny, waw, nh); - ny += nh; - i++; - } -} diff --git a/sys/cmd/dvtm/rules.mk b/sys/cmd/dvtm/rules.mk deleted file mode 100644 index f12aa17..0000000 --- a/sys/cmd/dvtm/rules.mk +++ /dev/null @@ -1,33 +0,0 @@ -include share/push.mk - -# Local sources -SRCS_$(d) := \ -$(d)/hook.c \ -$(d)/vt.c \ -$(d)/dvtm.c - -# needed for additional editor target -AUX := $(d)/dvtm-editor.o -AUX := $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(AUX)) - -DVTM := $(d)/dvtm -DVTM-ED := $(d)/dvtm-editor - -DVTM := $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(DVTM)) -DVTM-ED := $(patsubst $(SRC_DIR)/%, $(OBJ_DIR)/%, $(DVTM-ED)) - -BINS_$(d) := $(DVTM) $(DVTM-ED) - -include share/paths.mk - -$(DVTM): TCFLAGS = -D_XOPEN_SOURCE=700 -D_XOPEN_SOURCE_EXTENDED -DNDEBUG -$(DVTM): TCLIBS = -lncursesw $(OBJ_DIR)/libn/libn.a -$(DVTM): $(OBJS_$(d)) - $(COMPLINK) - -$(DVTM-ED): TCFLAGS = -D_XOPEN_SOURCE=700 -D_XOPEN_SOURCE_EXTENDED -$(DVTM-ED): TCLIBS = -lncursesw -lutil -lc -$(DVTM-ED): $(AUX) - $(COMPLINK) - -include share/pop.mk diff --git a/sys/cmd/dvtm/vt.c b/sys/cmd/dvtm/vt.c deleted file mode 100644 index aff4ab0..0000000 --- a/sys/cmd/dvtm/vt.c +++ /dev/null @@ -1,2112 +0,0 @@ -/* See license for details */ -#include <u.h> -#include <libn.h> - -#include <langinfo.h> -#include <signal.h> -#include <termios.h> - -#include <sys/ioctl.h> -#include <sys/types.h> - -#if defined(__linux__) || defined(__CYGWIN__) -# include <pty.h> -#elif defined(__FreeBSD__) || defined(__DragonFly__) -# include <libutil.h> -#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__) -# include <util.h> -#endif - -#include "vt.h" - -#ifndef NCURSES_ATTR_SHIFT -# define NCURSES_ATTR_SHIFT 8 -#endif - -#ifndef NCURSES_ACS -# ifdef PDCURSES -# define NCURSES_ACS(c) (acs_map[(uchar)(c)]) -# else /* BSD curses */ -# define NCURSES_ACS(c) (_acs_map[(uchar)(c)]) -# endif -#endif - -#ifdef NCURSES_VERSION - -#ifndef NCURSES_EXT_COLORS -# define NCURSES_EXT_COLORS 0 -#endif - -#if !NCURSES_EXT_COLORS -# define MAX_COLOR_PAIRS MIN(COLOR_PAIRS, 256) -#endif - -#endif - -#ifndef MAX_COLOR_PAIRS -# define MAX_COLOR_PAIRS COLOR_PAIRS -#endif - -#if defined _AIX && defined CTRL -# undef CTRL -#endif -#ifndef CTRL -# define CTRL(k) ((k) & 0x1F) -#endif - -#define IS_CONTROL(ch) !((ch) & 0xffffff60UL) - -static bool is_utf8, has_default_colors; -static int color_pairs_reserved, color_pairs_max, color_pair_current; -static short *color2palette, default_fg, default_bg; -static char vt_term[32]; - -typedef struct { - wchar_t text; - attr_t attr; - union { - struct { - short fg; - short bg; - }; - struct { - uint8 r; - uint8 g; - uint8 b; - }; - }; -} Cell; - -typedef struct { - Cell *cells; - uint dirty:1; -} Row; - -/* Buffer holding the current terminal window content (as an array) as well - * as the scroll back buffer content (as a circular/ring buffer). - * - * If new content is added to terminal the view port slides down and the - * previously top most line is moved into the scroll back buffer at postion - * scroll_index. This index will eventually wrap around and thus overwrite - * the oldest lines. - * - * In the scenerio below a scroll up has been performed. That is 'scroll_above' - * lines still lie above the current view port. Further scrolling up will show - * them. Similarly 'scroll_below' is the amount of lines below the current - * viewport. - * - * The function buffer_boundary sets the row pointers to the start/end range - * of the section delimiting the region before/after the viewport. The functions - * buffer_row_{first,last} return the first/last logical row. And - * buffer_row_{next,prev} allows to iterate over the logical lines in either - * direction. - * - * scroll back buffer - * - * scroll_buf->+----------------+-----+ - * | | | ^ \ - * | before | | | | - * current terminal content | viewport | | | | - * | | | | - * +----------------+-----+\ | | | s > scroll_above - * ^ | | i | \ | | i | c | - * | | | n | \ | | n | r | - * | | v | \ | | v | o | - * r | | i | \ | | i | l / - * o | viewport | s | >|<- scroll_index | s | l \ - * w | | i | / | | i | | - * s | | b | / | after | b | s > scroll_below - * | | l | / | viewport | l | i | - * v | | e | / | | e | z / - * +----------------+-----+/ | unused | | e - * <- maxcols -> | scroll back | | - * <- cols -> | buffer | | | - * | | | | - * | | | v - * scroll_buf + scroll_size->+----------------+-----+ - * <- maxcols -> - * <- cols -> - */ -typedef struct { - Row *lines; /* array of Row pointers of size 'rows' */ - Row *curs_row; /* row on which the cursor currently resides */ - Row *scroll_buf; /* a ring buffer holding the scroll back content */ - Row *scroll_top; /* row in lines where scrolling region starts */ - Row *scroll_bot; /* row in lines where scrolling region ends */ - bool *tabs; /* a boolean flag for each column whether it is a tab */ - int scroll_size; /* maximal capacity of scroll back buffer (in lines) */ - int scroll_index; /* current index into the ring buffer */ - int scroll_above; /* number of lines above current viewport */ - int scroll_below; /* number of lines below current viewport */ - int rows, cols; /* current dimension of buffer */ - int maxcols; /* allocated cells (maximal cols over time) */ - attr_t curattrs, savattrs; /* current and saved attributes for cells */ - int curs_col; /* current cursor column (zero based) */ - int curs_srow, curs_scol; /* saved cursor row/colmn (zero based) */ - short curfg, curbg; /* current fore and background colors */ - short savfg, savbg; /* saved colors */ -} Buffer; - -struct Vt { - Buffer buffer_normal; /* normal screen buffer */ - Buffer buffer_alternate; /* alternate screen buffer */ - Buffer *buffer; /* currently active buffer (one of the above) */ - attr_t defattrs; /* attributes to use for normal/empty cells */ - int deffg, defbg; /* colors to use for back normal/empty cells (white/black) */ - int pty; /* master side pty file descriptor */ - pid_t pid; /* process id of the process running in this vt */ - /* flags */ - uint seen_input:1; - uint insert:1; - uint escaped:1; - uint curshid:1; - uint curskeymode:1; - uint bell:1; - uint relposmode:1; - uint mousetrack:1; - uint graphmode:1; - uint savgraphmode:1; - bool charsets[2]; - /* buffers and parsing state */ - char rbuf[BUFSIZ]; - char ebuf[BUFSIZ]; - uint rlen, elen; - int srow, scol; /* last known offset to display start row, start column */ - char title[256]; /* xterm style window title */ - vt_title_handler_t title_handler; /* hook which is called when title changes */ - vt_urgent_handler_t urgent_handler; /* hook which is called upon bell */ - void *data; /* user supplied data */ -}; - -static const char *keytable[KEY_MAX+1] = { - [KEY_ENTER] = "\r", - ['\n'] = "\n", - /* for the arrow keys the CSI / SS3 sequences are not stored here - * because they depend on the current cursor terminal mode - */ - [KEY_UP] = "A", - [KEY_DOWN] = "B", - [KEY_RIGHT] = "C", - [KEY_LEFT] = "D", -#ifdef KEY_SUP - [KEY_SUP] = "\e[1;2A", -#endif -#ifdef KEY_SDOWN - [KEY_SDOWN] = "\e[1;2B", -#endif - [KEY_SRIGHT] = "\e[1;2C", - [KEY_SLEFT] = "\e[1;2D", - [KEY_BACKSPACE] = "\177", - [KEY_IC] = "\e[2~", - [KEY_DC] = "\e[3~", - [KEY_PPAGE] = "\e[5~", - [KEY_NPAGE] = "\e[6~", - [KEY_HOME] = "\e[7~", - [KEY_END] = "\e[8~", - [KEY_BTAB] = "\e[Z", - [KEY_SUSPEND] = "\x1A", /* Ctrl+Z gets mapped to this */ - [KEY_F(1)] = "\e[11~", - [KEY_F(2)] = "\e[12~", - [KEY_F(3)] = "\e[13~", - [KEY_F(4)] = "\e[14~", - [KEY_F(5)] = "\e[15~", - [KEY_F(6)] = "\e[17~", - [KEY_F(7)] = "\e[18~", - [KEY_F(8)] = "\e[19~", - [KEY_F(9)] = "\e[20~", - [KEY_F(10)] = "\e[21~", - [KEY_F(11)] = "\e[23~", - [KEY_F(12)] = "\e[24~", - [KEY_F(13)] = "\e[23~", - [KEY_F(14)] = "\e[24~", - [KEY_F(15)] = "\e[25~", - [KEY_F(16)] = "\e[26~", - [KEY_F(17)] = "\e[28~", - [KEY_F(18)] = "\e[29~", - [KEY_F(19)] = "\e[31~", - [KEY_F(20)] = "\e[32~", - [KEY_F(21)] = "\e[33~", - [KEY_F(22)] = "\e[34~", - [KEY_RESIZE] = "", -#ifdef KEY_EVENT - [KEY_EVENT] = "", -#endif -}; - -static void puttab(Vt *t, int count); -static void process_nonprinting(Vt *t, wchar_t wc); -static void send_curs(Vt *t); - -const static -attr_t -build_attrs(attr_t curattrs) -{ - return ((curattrs & ~A_COLOR) | COLOR_PAIR(curattrs & 0xff)) >> NCURSES_ATTR_SHIFT; -} - -static -void -row_set(Row *row, int start, int len, Buffer *t) -{ - Cell cell = { - .text = L'\0', - .attr = t ? build_attrs(t->curattrs) : 0, - .fg = t ? t->curfg : -1, - .bg = t ? t->curbg : -1, - }; - - for (int i = start; i < len + start; i++) - row->cells[i] = cell; - row->dirty = true; -} - -static -void -row_roll(Row *start, Row *end, int count) -{ - int n = end - start; - - count %= n; - if (count < 0) - count += n; - - if (count) { - char buf[count * sizeof(Row)]; - memcpy(buf, start, count * sizeof(Row)); - memmove(start, start + count, (n - count) * sizeof(Row)); - memcpy(end - count, buf, count * sizeof(Row)); - for (Row *row = start; row < end; row++) - row->dirty = true; - } -} - -static -void -buffer_clear(Buffer *b) -{ - Cell cell = { - .text = L'\0', - .attr = A_NORMAL, - .fg = -1, - .bg = -1, - }; - - for (int i = 0; i < b->rows; i++) { - Row *row = b->lines + i; - for (int j = 0; j < b->cols; j++) { - row->cells[j] = cell; - row->dirty = true; - } - } -} - -static -void -buffer_free(Buffer *b) -{ - for (int i = 0; i < b->rows; i++) - free(b->lines[i].cells); - free(b->lines); - for (int i = 0; i < b->scroll_size; i++) - free(b->scroll_buf[i].cells); - free(b->scroll_buf); - free(b->tabs); -} - -static -void -buffer_scroll(Buffer *b, int s) -{ - /* work in screenfuls */ - int ssz = b->scroll_bot - b->scroll_top; - if (s > ssz) { - buffer_scroll(b, ssz); - buffer_scroll(b, s - ssz); - return; - } - if (s < -ssz) { - buffer_scroll(b, -ssz); - buffer_scroll(b, s + ssz); - return; - } - - b->scroll_above += s; - if (b->scroll_above >= b->scroll_size) - b->scroll_above = b->scroll_size; - - if (s > 0 && b->scroll_size) { - for (int i = 0; i < s; i++) { - Row tmp = b->scroll_top[i]; - b->scroll_top[i] = b->scroll_buf[b->scroll_index]; - b->scroll_buf[b->scroll_index] = tmp; - - b->scroll_index++; - if (b->scroll_index == b->scroll_size) - b->scroll_index = 0; - } - } - row_roll(b->scroll_top, b->scroll_bot, s); - if (s < 0 && b->scroll_size) { - for (int i = (-s) - 1; i >= 0; i--) { - b->scroll_index--; - if (b->scroll_index == -1) - b->scroll_index = b->scroll_size - 1; - - Row tmp = b->scroll_top[i]; - b->scroll_top[i] = b->scroll_buf[b->scroll_index]; - b->scroll_buf[b->scroll_index] = tmp; - b->scroll_top[i].dirty = true; - } - } -} - -static -void -buffer_resize(Buffer *b, int rows, int cols) -{ - Row *lines = b->lines; - - if (b->rows != rows) { - if (b->curs_row >= lines + rows) { - /* scroll up instead of simply chopping off bottom */ - buffer_scroll(b, (b->curs_row - b->lines) - rows + 1); - } - while (b->rows > rows) { - free(lines[b->rows - 1].cells); - b->rows--; - } - - lines = realloc(lines, sizeof(Row) * rows); - } - - if (b->maxcols < cols) { - for (int row = 0; row < b->rows; row++) { - lines[row].cells = realloc(lines[row].cells, sizeof(Cell) * cols); - if (b->cols < cols) - row_set(lines + row, b->cols, cols - b->cols, nil); - lines[row].dirty = true; - } - Row *sbuf = b->scroll_buf; - for (int row = 0; row < b->scroll_size; row++) { - sbuf[row].cells = realloc(sbuf[row].cells, sizeof(Cell) * cols); - if (b->cols < cols) - row_set(sbuf + row, b->cols, cols - b->cols, nil); - } - b->tabs = realloc(b->tabs, sizeof(*b->tabs) * cols); - for (int col = b->cols; col < cols; col++) - b->tabs[col] = !(col & 7); - b->maxcols = cols; - b->cols = cols; - } else if (b->cols != cols) { - for (int row = 0; row < b->rows; row++) - lines[row].dirty = true; - b->cols = cols; - } - - int deltarows = 0; - if (b->rows < rows) { - while (b->rows < rows) { - lines[b->rows].cells = calloc(b->maxcols, sizeof(Cell)); - row_set(lines + b->rows, 0, b->maxcols, b); - b->rows++; - } - - /* prepare for backfill */ - if (b->curs_row >= b->scroll_bot - 1) { - deltarows = b->lines + rows - b->curs_row - 1; - if (deltarows > b->scroll_above) - deltarows = b->scroll_above; - } - } - - b->curs_row += lines - b->lines; - b->scroll_top = lines; - b->scroll_bot = lines + rows; - b->lines = lines; - - /* perform backfill */ - if (deltarows > 0) { - buffer_scroll(b, -deltarows); - b->curs_row += deltarows; - } -} - -static -bool -buffer_init(Buffer *b, int rows, int cols, int scroll_size) -{ - b->curattrs = A_NORMAL; /* white text over black background */ - b->curfg = b->curbg = -1; - if (scroll_size < 0) - scroll_size = 0; - if (scroll_size && !(b->scroll_buf = calloc(scroll_size, sizeof(Row)))) - return false; - b->scroll_size = scroll_size; - buffer_resize(b, rows, cols); - return true; -} - -static -void -buffer_boundry(Buffer *b, Row **bs, Row **be, Row **as, Row **ae) -{ - if (bs) - *bs = nil; - if (be) - *be = nil; - if (as) - *as = nil; - if (ae) - *ae = nil; - if (!b->scroll_size) - return; - - if (b->scroll_above) { - if (bs) - *bs = &b->scroll_buf[(b->scroll_index - b->scroll_above + b->scroll_size) % b->scroll_size]; - if (be) - *be = &b->scroll_buf[(b->scroll_index-1 + b->scroll_size) % b->scroll_size]; - } - if (b->scroll_below) { - if (as) - *as = &b->scroll_buf[b->scroll_index]; - if (ae) - *ae = &b->scroll_buf[(b->scroll_index + b->scroll_below-1) % b->scroll_size]; - } -} - -static -Row * -buffer_row_first(Buffer *b) { - Row *bstart; - if (!b->scroll_size || !b->scroll_above) - return b->lines; - buffer_boundry(b, &bstart, nil, nil, nil); - return bstart; -} - -static -Row * -buffer_row_last(Buffer *b) { - Row *aend; - if (!b->scroll_size || !b->scroll_below) - return b->lines + b->rows - 1; - buffer_boundry(b, nil, nil, nil, &aend); - return aend; -} - -static -Row * -buffer_row_next(Buffer *b, Row *row) -{ - Row *before_start, *before_end, *after_start, *after_end; - Row *first = b->lines, *last = b->lines + b->rows - 1; - - if (!row) - return nil; - - buffer_boundry(b, &before_start, &before_end, &after_start, &after_end); - - if (row >= first && row < last) - return ++row; - if (row == last) - return after_start; - if (row == before_end) - return first; - if (row == after_end) - return nil; - if (row == &b->scroll_buf[b->scroll_size - 1]) - return b->scroll_buf; - return ++row; -} - -static -Row * -buffer_row_prev(Buffer *b, Row *row) -{ - Row *before_start, *before_end, *after_start, *after_end; - Row *first = b->lines, *last = b->lines + b->rows - 1; - - if (!row) - return nil; - - buffer_boundry(b, &before_start, &before_end, &after_start, &after_end); - - if (row > first && row <= last) - return --row; - if (row == first) - return before_end; - if (row == before_start) - return nil; - if (row == after_start) - return last; - if (row == b->scroll_buf) - return &b->scroll_buf[b->scroll_size - 1]; - return --row; -} - -static -void -cursor_clamp(Vt *t) -{ - Buffer *b = t->buffer; - Row *lines = t->relposmode ? b->scroll_top : b->lines; - int rows = t->relposmode ? b->scroll_bot - b->scroll_top : b->rows; - - if (b->curs_row < lines) - b->curs_row = lines; - if (b->curs_row >= lines + rows) - b->curs_row = lines + rows - 1; - if (b->curs_col < 0) - b->curs_col = 0; - if (b->curs_col >= b->cols) - b->curs_col = b->cols - 1; -} - -static -void -cursor_line_down(Vt *t) -{ - Buffer *b = t->buffer; - row_set(b->curs_row, b->cols, b->maxcols - b->cols, nil); - b->curs_row++; - if (b->curs_row < b->scroll_bot) - return; - - vt_noscroll(t); - - b->curs_row = b->scroll_bot - 1; - buffer_scroll(b, 1); - row_set(b->curs_row, 0, b->cols, b); -} - -static -void -cursor_save(Vt *t) -{ - Buffer *b = t->buffer; - b->curs_srow = b->curs_row - b->lines; - b->curs_scol = b->curs_col; -} - -static -void -cursor_restore(Vt *t) -{ - Buffer *b = t->buffer; - b->curs_row = b->lines + b->curs_srow; - b->curs_col = b->curs_scol; - cursor_clamp(t); -} - -static -void -attributes_save(Vt *t) -{ - Buffer *b = t->buffer; - b->savattrs = b->curattrs; - b->savfg = b->curfg; - b->savbg = b->curbg; - t->savgraphmode = t->graphmode; -} - -static -void -attributes_restore(Vt *t) -{ - Buffer *b = t->buffer; - b->curattrs = b->savattrs; - b->curfg = b->savfg; - b->curbg = b->savbg; - t->graphmode = t->savgraphmode; -} - -static -void -new_escape_sequence(Vt *t) -{ - t->escaped = true; - t->elen = 0; - t->ebuf[0] = '\0'; -} - -static -void -cancel_escape_sequence(Vt *t) -{ - t->escaped = false; - t->elen = 0; - t->ebuf[0] = '\0'; -} - -static -bool -is_valid_csi_ender(int c) -{ - return (c >= 'a' && c <= 'z') - || (c >= 'A' && c <= 'Z') - || (c == '@' || c == '`'); -} - -/* interprets a 'set attribute' (SGR) CSI escape sequence */ -static -void -interpret_csi_sgr(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - if (pcount == 0) { - /* special case: reset attributes */ - b->curattrs = A_NORMAL; - b->curfg = b->curbg = -1; - return; - } - - for (int i = 0; i < pcount; i++) { - switch (param[i]) { - case 0: - b->curattrs = A_NORMAL; - b->curfg = b->curbg = -1; - break; - case 1: - b->curattrs |= A_BOLD; - break; - case 2: - b->curattrs |= A_DIM; - break; -#ifdef A_ITALIC - case 3: - b->curattrs |= A_ITALIC; - break; -#endif - case 4: - b->curattrs |= A_UNDERLINE; - break; - case 5: - b->curattrs |= A_BLINK; - break; - case 7: - b->curattrs |= A_REVERSE; - break; - case 8: - b->curattrs |= A_INVIS; - break; - case 22: - b->curattrs &= ~(A_BOLD | A_DIM); - break; -#ifdef A_ITALIC - case 23: - b->curattrs &= ~A_ITALIC; - break; -#endif - case 24: - b->curattrs &= ~A_UNDERLINE; - break; - case 25: - b->curattrs &= ~A_BLINK; - break; - case 27: - b->curattrs &= ~A_REVERSE; - break; - case 28: - b->curattrs &= ~A_INVIS; - break; - case 30 ... 37: /* fg */ - b->curfg = param[i] - 30; - break; - case 38: - if ((i + 2) < pcount && param[i + 1] == 5) { - b->curfg = param[i + 2]; - i += 2; - } - break; - case 39: - b->curfg = -1; - break; - case 40 ... 47: /* bg */ - b->curbg = param[i] - 40; - break; - case 48: - if ((i + 2) < pcount && param[i + 1] == 5) { - b->curbg = param[i + 2]; - i += 2; - } - break; - case 49: - b->curbg = -1; - break; - case 90 ... 97: /* hi fg */ - b->curfg = param[i] - 82; - break; - case 100 ... 107: /* hi bg */ - b->curbg = param[i] - 92; - break; - default: - break; - } - } -} - -/* interprets an 'erase display' (ED) escape sequence */ -static -void -interpret_csi_ed(Vt *t, int param[], int pcount) -{ - Row *row, *start, *end; - Buffer *b = t->buffer; - - attributes_save(t); - b->curattrs = A_NORMAL; - b->curfg = b->curbg = -1; - - if (pcount && param[0] == 2) { - start = b->lines; - end = b->lines + b->rows; - } else if (pcount && param[0] == 1) { - start = b->lines; - end = b->curs_row; - row_set(b->curs_row, 0, b->curs_col + 1, b); - } else { - row_set(b->curs_row, b->curs_col, b->cols - b->curs_col, b); - start = b->curs_row + 1; - end = b->lines + b->rows; - } - - for (row = start; row < end; row++) - row_set(row, 0, b->cols, b); - - attributes_restore(t); -} - -/* interprets a 'move cursor' (CUP) escape sequence */ -static -void -interpret_csi_cup(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - Row *lines = t->relposmode ? b->scroll_top : b->lines; - - if (pcount == 0) { - b->curs_row = lines; - b->curs_col = 0; - } else if (pcount == 1) { - b->curs_row = lines + param[0] - 1; - b->curs_col = 0; - } else { - b->curs_row = lines + param[0] - 1; - b->curs_col = param[1] - 1; - } - - cursor_clamp(t); -} - -/* Interpret the 'relative mode' sequences: CUU, CUD, CUF, CUB, CNL, - * CPL, CHA, HPR, VPA, VPR, HPA */ -static -void -interpret_csi_c(Vt *t, char verb, int param[], int pcount) -{ - Buffer *b = t->buffer; - int n = (pcount && param[0] > 0) ? param[0] : 1; - - switch (verb) { - case 'A': - b->curs_row -= n; - break; - case 'B': - case 'e': - b->curs_row += n; - break; - case 'C': - case 'a': - b->curs_col += n; - break; - case 'D': - b->curs_col -= n; - break; - case 'E': - b->curs_row += n; - b->curs_col = 0; - break; - case 'F': - b->curs_row -= n; - b->curs_col = 0; - break; - case 'G': - case '`': - b->curs_col = n - 1; - break; - case 'd': - b->curs_row = b->lines + n - 1; - break; - } - - cursor_clamp(t); -} - -/* Interpret the 'erase line' escape sequence */ -static -void -interpret_csi_el(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - switch (pcount ? param[0] : 0) { - case 1: - row_set(b->curs_row, 0, b->curs_col + 1, b); - break; - case 2: - row_set(b->curs_row, 0, b->cols, b); - break; - default: - row_set(b->curs_row, b->curs_col, b->cols - b->curs_col, b); - break; - } -} - -/* Interpret the 'insert blanks' sequence (ICH) */ -static -void -interpret_csi_ich(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - Row *row = b->curs_row; - int n = (pcount && param[0] > 0) ? param[0] : 1; - - if (b->curs_col + n > b->cols) - n = b->cols - b->curs_col; - - for (int i = b->cols - 1; i >= b->curs_col + n; i--) - row->cells[i] = row->cells[i - n]; - - row_set(row, b->curs_col, n, b); -} - -/* Interpret the 'delete chars' sequence (DCH) */ -static -void -interpret_csi_dch(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - Row *row = b->curs_row; - int n = (pcount && param[0] > 0) ? param[0] : 1; - - if (b->curs_col + n > b->cols) - n = b->cols - b->curs_col; - - for (int i = b->curs_col; i < b->cols - n; i++) - row->cells[i] = row->cells[i + n]; - - row_set(row, b->cols - n, n, b); -} - -/* Interpret an 'insert line' sequence (IL) */ -static -void -interpret_csi_il(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - int n = (pcount && param[0] > 0) ? param[0] : 1; - - if (b->curs_row + n >= b->scroll_bot) { - for (Row *row = b->curs_row; row < b->scroll_bot; row++) - row_set(row, 0, b->cols, b); - } else { - row_roll(b->curs_row, b->scroll_bot, -n); - for (Row *row = b->curs_row; row < b->curs_row + n; row++) - row_set(row, 0, b->cols, b); - } -} - -/* Interpret a 'delete line' sequence (DL) */ -static -void -interpret_csi_dl(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - int n = (pcount && param[0] > 0) ? param[0] : 1; - - if (b->curs_row + n >= b->scroll_bot) { - for (Row *row = b->curs_row; row < b->scroll_bot; row++) - row_set(row, 0, b->cols, b); - } else { - row_roll(b->curs_row, b->scroll_bot, n); - for (Row *row = b->scroll_bot - n; row < b->scroll_bot; row++) - row_set(row, 0, b->cols, b); - } -} - -/* Interpret an 'erase characters' (ECH) sequence */ -static -void -interpret_csi_ech(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - int n = (pcount && param[0] > 0) ? param[0] : 1; - - if (b->curs_col + n > b->cols) - n = b->cols - b->curs_col; - - row_set(b->curs_row, b->curs_col, n, b); -} - -/* Interpret a 'set scrolling region' (DECSTBM) sequence */ -static -void -interpret_csi_decstbm(Vt *t, int param[], int pcount) -{ - Buffer *b = t->buffer; - int new_top, new_bot; - - switch (pcount) { - case 0: - b->scroll_top = b->lines; - b->scroll_bot = b->lines + b->rows; - break; - case 2: - new_top = param[0] - 1; - new_bot = param[1]; - - /* clamp to bounds */ - if (new_top < 0) - new_top = 0; - if (new_top >= b->rows) - new_top = b->rows - 1; - if (new_bot < 0) - new_bot = 0; - if (new_bot >= b->rows) - new_bot = b->rows; - - /* check for range validity */ - if (new_top < new_bot) { - b->scroll_top = b->lines + new_top; - b->scroll_bot = b->lines + new_bot; - } - break; - default: - return; /* malformed */ - } - b->curs_row = b->scroll_top; - b->curs_col = 0; -} - -static -void -interpret_csi_mode(Vt *t, int param[], int pcount, bool set) -{ - for (int i = 0; i < pcount; i++) { - switch (param[i]) { - case 4: /* insert/replace mode */ - t->insert = set; - break; - } - } -} - -static -void -interpret_csi_priv_mode(Vt *t, int param[], int pcount, bool set) -{ - for (int i = 0; i < pcount; i++) { - switch (param[i]) { - case 1: /* set application/normal cursor key mode (DECCKM) */ - t->curskeymode = set; - break; - case 6: /* set origin to relative/absolute (DECOM) */ - t->relposmode = set; - break; - case 25: /* make cursor visible/invisible (DECCM) */ - t->curshid = !set; - break; - case 1049: /* combine 1047 + 1048 */ - case 47: /* use alternate/normal screen buffer */ - case 1047: - if (!set) - buffer_clear(&t->buffer_alternate); - t->buffer = set ? &t->buffer_alternate : &t->buffer_normal; - vt_dirty(t); - if (param[i] != 1049) - break; - /* fall through */ - case 1048: /* save/restore cursor */ - if (set) - cursor_save(t); - else - cursor_restore(t); - break; - case 1000: /* enable/disable normal mouse tracking */ - t->mousetrack = set; - break; - } - } -} - -static -void -interpret_csi(Vt *t) -{ - Buffer *b = t->buffer; - int csiparam[16]; - uint param_count = 0; - const char *p = t->ebuf + 1; - char verb = t->ebuf[t->elen - 1]; - - /* parse numeric parameters */ - for (p += (t->ebuf[1] == '?'); *p; p++) { - if (IS_CONTROL(*p)) { - process_nonprinting(t, *p); - } else if (*p == ';') { - if (param_count >= arrlen(csiparam)) - return; /* too long! */ - csiparam[param_count++] = 0; - } else if (isdigit((uchar)*p)) { - if (param_count == 0) - csiparam[param_count++] = 0; - csiparam[param_count - 1] *= 10; - csiparam[param_count - 1] += *p - '0'; - } - } - - if (t->ebuf[1] == '?') { - switch (verb) { - case 'h': - case 'l': /* private set/reset mode */ - interpret_csi_priv_mode(t, csiparam, param_count, verb == 'h'); - break; - } - return; - } - - /* delegate handling depending on command character (verb) */ - switch (verb) { - case 'h': - case 'l': /* set/reset mode */ - interpret_csi_mode(t, csiparam, param_count, verb == 'h'); - break; - case 'm': /* set attribute */ - interpret_csi_sgr(t, csiparam, param_count); - break; - case 'J': /* erase display */ - interpret_csi_ed(t, csiparam, param_count); - break; - case 'H': - case 'f': /* move cursor */ - interpret_csi_cup(t, csiparam, param_count); - break; - case 'A': - case 'B': - case 'C': - case 'D': - case 'E': - case 'F': - case 'G': - case 'e': - case 'a': - case 'd': - case '`': /* relative move */ - interpret_csi_c(t, verb, csiparam, param_count); - break; - case 'K': /* erase line */ - interpret_csi_el(t, csiparam, param_count); - break; - case '@': /* insert characters */ - interpret_csi_ich(t, csiparam, param_count); - break; - case 'P': /* delete characters */ - interpret_csi_dch(t, csiparam, param_count); - break; - case 'L': /* insert lines */ - interpret_csi_il(t, csiparam, param_count); - break; - case 'M': /* delete lines */ - interpret_csi_dl(t, csiparam, param_count); - break; - case 'X': /* erase chars */ - interpret_csi_ech(t, csiparam, param_count); - break; - case 'S': /* SU: scroll up */ - vt_scroll(t, param_count ? -csiparam[0] : -1); - break; - case 'T': /* SD: scroll down */ - vt_scroll(t, param_count ? csiparam[0] : 1); - break; - case 'Z': /* CBT: cursor backward tabulation */ - puttab(t, param_count ? -csiparam[0] : -1); - break; - case 'g': /* TBC: tabulation clear */ - switch (param_count ? csiparam[0] : 0) { - case 0: - b->tabs[b->curs_col] = false; - break; - case 3: - memset(b->tabs, 0, sizeof(*b->tabs) * b->maxcols); - break; - } - break; - case 'r': /* set scrolling region */ - interpret_csi_decstbm(t, csiparam, param_count); - break; - case 's': /* save cursor location */ - cursor_save(t); - break; - case 'u': /* restore cursor location */ - cursor_restore(t); - break; - case 'n': /* query cursor location */ - if (param_count == 1 && csiparam[0] == 6) - send_curs(t); - break; - default: - break; - } -} - -/* Interpret an 'index' (IND) sequence */ -static -void -interpret_csi_ind(Vt *t) -{ - Buffer *b = t->buffer; - if (b->curs_row < b->lines + b->rows - 1) - b->curs_row++; -} - -/* Interpret a 'reverse index' (RI) sequence */ -static -void -interpret_csi_ri(Vt *t) -{ - Buffer *b = t->buffer; - if (b->curs_row > b->scroll_top) - b->curs_row--; - else { - row_roll(b->scroll_top, b->scroll_bot, -1); - row_set(b->scroll_top, 0, b->cols, b); - } -} - -/* Interpret a 'next line' (NEL) sequence */ -static -void -interpret_csi_nel(Vt *t) -{ - Buffer *b = t->buffer; - if (b->curs_row < b->lines + b->rows - 1) { - b->curs_row++; - b->curs_col = 0; - } -} - -/* Interpret a 'select character set' (SCS) sequence */ -static -void -interpret_csi_scs(Vt *t) -{ - /* ESC ( sets G0, ESC ) sets G1 */ - t->charsets[!!(t->ebuf[0] == ')')] = (t->ebuf[1] == '0'); - t->graphmode = t->charsets[0]; -} - -/* Interpret an 'operating system command' (OSC) sequence */ -static -void -interpret_osc(Vt *t) -{ - /* ESC ] command ; data BEL - * ESC ] command ; data ESC \\ - * Note that BEL or ESC \\ have already been replaced with NUL. - */ - char *data = nil; - int command = strtoul(t->ebuf + 1, &data, 10); - if (data && *data == ';') { - switch (command) { - case 0: /* icon name and window title */ - case 2: /* window title */ - if (t->title_handler) - t->title_handler(t, data+1); - break; - case 1: /* icon name */ - break; - default: -#ifndef NDEBUG - fprintf(stderr, "unknown OSC command: %d\n", command); -#endif - break; - } - } -} - -static -void -try_interpret_escape_seq(Vt *t) -{ - char lastchar = t->ebuf[t->elen - 1]; - - if (!*t->ebuf) - return; - - switch (*t->ebuf) { - case '#': /* ignore DECDHL, DECSWL, DECDWL, DECHCP, DECFPP */ - if (t->elen == 2) { - if (lastchar == '8') { /* DECALN */ - interpret_csi_ed(t, (int []){ 2 }, 1); - goto handled; - } - goto cancel; - } - break; - case '(': - case ')': - if (t->elen == 2) { - interpret_csi_scs(t); - goto handled; - } - break; - case ']': /* OSC - operating system command */ - if (lastchar == '\a' || - (lastchar == '\\' && t->elen >= 2 && t->ebuf[t->elen - 2] == '\e')) { - t->elen -= lastchar == '\a' ? 1 : 2; - t->ebuf[t->elen] = '\0'; - interpret_osc(t); - goto handled; - } - break; - case '[': /* CSI - control sequence introducer */ - if (is_valid_csi_ender(lastchar)) { - interpret_csi(t); - goto handled; - } - break; - case '7': /* DECSC: save cursor and attributes */ - attributes_save(t); - cursor_save(t); - goto handled; - case '8': /* DECRC: restore cursor and attributes */ - attributes_restore(t); - cursor_restore(t); - goto handled; - case 'D': /* IND: index */ - interpret_csi_ind(t); - goto handled; - case 'M': /* RI: reverse index */ - interpret_csi_ri(t); - goto handled; - case 'E': /* NEL: next line */ - interpret_csi_nel(t); - goto handled; - case 'H': /* HTS: horizontal tab set */ - t->buffer->tabs[t->buffer->curs_col] = true; - goto handled; - default: - goto cancel; - } - - if (t->elen + 1 >= sizeof(t->ebuf)) { -cancel: -#ifndef NDEBUG - fprintf(stderr, "cancelled: \\033"); - for (uint i = 0; i < t->elen; i++) { - if (isprint(t->ebuf[i])) { - fputc(t->ebuf[i], stderr); - } else { - fprintf(stderr, "\\%03o", t->ebuf[i]); - } - } - fputc('\n', stderr); -#endif -handled: - cancel_escape_sequence(t); - } -} - -static -void -puttab(Vt *t, int count) -{ - Buffer *b = t->buffer; - int direction = count >= 0 ? 1 : -1; - for (int col = b->curs_col + direction; count; col += direction) { - if (col < 0) { - b->curs_col = 0; - break; - } - if (col >= b->cols) { - b->curs_col = b->cols - 1; - break; - } - if (b->tabs[col]) { - b->curs_col = col; - count -= direction; - } - } -} - -static -void -process_nonprinting(Vt *t, wchar_t wc) -{ - Buffer *b = t->buffer; - switch (wc) { - case '\e': /* ESC */ - new_escape_sequence(t); - break; - case '\a': /* BEL */ - if (t->urgent_handler) - t->urgent_handler(t); - break; - case '\b': /* BS */ - if (b->curs_col > 0) - b->curs_col--; - break; - case '\t': /* HT */ - puttab(t, 1); - break; - case '\r': /* CR */ - b->curs_col = 0; - break; - case '\v': /* VT */ - case '\f': /* FF */ - case '\n': /* LF */ - cursor_line_down(t); - break; - case '\016': /* SO: shift out, invoke the G1 character set */ - t->graphmode = t->charsets[1]; - break; - case '\017': /* SI: shift in, invoke the G0 character set */ - t->graphmode = t->charsets[0]; - break; - } -} - -static -void -is_utf8_locale(void) -{ - const char *cset = nl_langinfo(CODESET); - if (!cset) - cset = "ANSI_X3.4-1968"; - is_utf8 = !strcmp(cset, "UTF-8"); -} - -static -wchar_t -get_vt100_graphic(char c) -{ - static char vt100_acs[] = "`afgjklmnopqrstuvwxyz{|}~"; - - /* - * 5f-7e standard vt100 - * 40-5e rxvt extension for extra curses acs chars - */ - static uint16_t const vt100_utf8[62] = { - 0x2191, 0x2193, 0x2192, 0x2190, 0x2588, 0x259a, 0x2603, // 41-47 - 0, 0, 0, 0, 0, 0, 0, 0, // 48-4f - 0, 0, 0, 0, 0, 0, 0, 0, // 50-57 - 0, 0, 0, 0, 0, 0, 0, 0x0020, // 58-5f - 0x25c6, 0x2592, 0x2409, 0x240c, 0x240d, 0x240a, 0x00b0, 0x00b1, // 60-67 - 0x2424, 0x240b, 0x2518, 0x2510, 0x250c, 0x2514, 0x253c, 0x23ba, // 68-6f - 0x23bb, 0x2500, 0x23bc, 0x23bd, 0x251c, 0x2524, 0x2534, 0x252c, // 70-77 - 0x2502, 0x2264, 0x2265, 0x03c0, 0x2260, 0x00a3, 0x00b7, // 78-7e - }; - - if (is_utf8) - return vt100_utf8[c - 0x41]; - else if (strchr(vt100_acs, c)) - return NCURSES_ACS(c); - return '\0'; -} - -static -void -put_wc(Vt *t, wchar_t wc) -{ - int width = 0; - - if (!t->seen_input) { - t->seen_input = 1; - kill(-t->pid, SIGWINCH); - } - - if (t->escaped) { - if (t->elen + 1 < sizeof(t->ebuf)) { - t->ebuf[t->elen] = wc; - t->ebuf[++t->elen] = '\0'; - try_interpret_escape_seq(t); - } else { - cancel_escape_sequence(t); - } - } else if (IS_CONTROL(wc)) { - process_nonprinting(t, wc); - } else { - if (t->graphmode) { - if (wc >= 0x41 && wc <= 0x7e) { - wchar_t gc = get_vt100_graphic(wc); - if (gc) - wc = gc; - } - width = 1; - } else if ((width = wcwidth(wc)) < 1) { - width = 1; - } - Buffer *b = t->buffer; - Cell blank_cell = { L'\0', build_attrs(b->curattrs), b->curfg, b->curbg }; - if (width == 2 && b->curs_col == b->cols - 1) { - b->curs_row->cells[b->curs_col++] = blank_cell; - b->curs_row->dirty = true; - } - - if (b->curs_col >= b->cols) { - b->curs_col = 0; - cursor_line_down(t); - } - - if (t->insert) { - Cell *src = b->curs_row->cells + b->curs_col; - Cell *dest = src + width; - size_t len = b->cols - b->curs_col - width; - memmove(dest, src, len * sizeof *dest); - } - - b->curs_row->cells[b->curs_col] = blank_cell; - b->curs_row->cells[b->curs_col++].text = wc; - b->curs_row->dirty = true; - if (width == 2) - b->curs_row->cells[b->curs_col++] = blank_cell; - } -} - -int -vt_process(Vt *t) -{ - int res; - uint pos = 0; - mbstate_t ps; - memset(&ps, 0, sizeof(ps)); - - if (t->pty < 0) { - errno = EINVAL; - return -1; - } - - /* read from the pty */ - res = read(t->pty, t->rbuf + t->rlen, sizeof(t->rbuf) - t->rlen); - if (res < 0) - return -1; - - /* process the bytes you read */ - t->rlen += res; - while (pos < t->rlen) { - wchar_t wc; - ssize_t len; - - len = (ssize_t)mbrtowc(&wc, t->rbuf + pos, t->rlen - pos, &ps); - if (len == -2) { - t->rlen -= pos; - memmove(t->rbuf, t->rbuf + pos, t->rlen); - return 0; - } - - if (len == -1) { - len = 1; - wc = t->rbuf[pos]; - } - - pos += len ? len : 1; - put_wc(t, wc); - } - - t->rlen -= pos; - memmove(t->rbuf, t->rbuf + pos, t->rlen); - return 0; -} - -void -vt_default_colors_set(Vt *t, attr_t attrs, short fg, short bg) -{ - t->defattrs = attrs; - t->deffg = fg; - t->defbg = bg; -} - -Vt * -vt_create(int rows, int cols, int scroll_size) -{ - if (rows <= 0 || cols <= 0) - return nil; - - Vt *t = calloc(1, sizeof(Vt)); - if (!t) - return nil; - - t->pty = -1; - t->deffg = t->defbg = -1; - t->buffer = &t->buffer_normal; - - if (!buffer_init(&t->buffer_normal, rows, cols, scroll_size) || - !buffer_init(&t->buffer_alternate, rows, cols, 0)) { - free(t); - return nil; - } - - return t; -} - -void -vt_resize(Vt *t, int rows, int cols) -{ - struct winsize ws = { .ws_row = rows, .ws_col = cols }; - - if (rows <= 0 || cols <= 0) - return; - - vt_noscroll(t); - buffer_resize(&t->buffer_normal, rows, cols); - buffer_resize(&t->buffer_alternate, rows, cols); - cursor_clamp(t); - ioctl(t->pty, TIOCSWINSZ, &ws); - kill(-t->pid, SIGWINCH); -} - -void -vt_destroy(Vt *t) -{ - if (!t) - return; - buffer_free(&t->buffer_normal); - buffer_free(&t->buffer_alternate); - close(t->pty); - free(t); -} - -void -vt_dirty(Vt *t) -{ - Buffer *b = t->buffer; - for (Row *row = b->lines, *end = row + b->rows; row < end; row++) - row->dirty = true; -} - -void -vt_draw(Vt *t, WINDOW *win, int srow, int scol) -{ - Buffer *b = t->buffer; - - if (srow != t->srow || scol != t->scol) { - vt_dirty(t); - t->srow = srow; - t->scol = scol; - } - - for (int i = 0; i < b->rows; i++) { - Row *row = b->lines + i; - - if (!row->dirty) - continue; - - wmove(win, srow + i, scol); - Cell *cell = nil; - for (int j = 0; j < b->cols; j++) { - Cell *prev_cell = cell; - cell = row->cells + j; - if (!prev_cell || cell->attr != prev_cell->attr - || cell->fg != prev_cell->fg - || cell->bg != prev_cell->bg) { - if (cell->attr == A_NORMAL) - cell->attr = t->defattrs; - if (cell->fg == -1) - cell->fg = t->deffg; - if (cell->bg == -1) - cell->bg = t->defbg; - wattrset(win, cell->attr << NCURSES_ATTR_SHIFT); - wcolor_set(win, vt_color_get(t, cell->fg, cell->bg), nil); - } - - if (is_utf8 && cell->text >= 128) { - char buf[MB_CUR_MAX + 1]; - size_t len = wcrtomb(buf, cell->text, nil); - if (len > 0) { - waddnstr(win, buf, len); - if (wcwidth(cell->text) > 1) - j++; - } - } else { - waddch(win, cell->text > ' ' ? cell->text : ' '); - } - } - - int x, y; - getyx(win, y, x); - (void)y; - if (x && x < b->cols - 1) - whline(win, ' ', b->cols - x); - - row->dirty = false; - } - - wmove(win, srow + b->curs_row - b->lines, scol + b->curs_col); -} - -void -vt_scroll(Vt *t, int rows) -{ - Buffer *b = t->buffer; - if (!b->scroll_size) - return; - if (rows < 0) { /* scroll back */ - if (rows < -b->scroll_above) - rows = -b->scroll_above; - } else { /* scroll forward */ - if (rows > b->scroll_below) - rows = b->scroll_below; - } - buffer_scroll(b, rows); - b->scroll_below -= rows; -} - -void -vt_noscroll(Vt *t) -{ - int scroll_below = t->buffer->scroll_below; - if (scroll_below) - vt_scroll(t, scroll_below); -} - -pid_t -vt_forkpty(Vt *t, const char *p, const char *argv[], const char *cwd, const char *env[], int *to, int *from) -{ - int vt2ed[2], ed2vt[2]; - struct winsize ws; - ws.ws_row = t->buffer->rows; - ws.ws_col = t->buffer->cols; - ws.ws_xpixel = ws.ws_ypixel = 0; - - if (to && pipe(vt2ed)) { - *to = -1; - to = nil; - } - if (from && pipe(ed2vt)) { - *from = -1; - from = nil; - } - - pid_t pid = forkpty(&t->pty, nil, nil, &ws); - if (pid < 0) - return -1; - - if (pid == 0) { - setsid(); - - sigset_t emptyset; - sigemptyset(&emptyset); - sigprocmask(SIG_SETMASK, &emptyset, nil); - - if (to) { - close(vt2ed[1]); - dup2(vt2ed[0], STDIN_FILENO); - close(vt2ed[0]); - } - - if (from) { - close(ed2vt[0]); - dup2(ed2vt[1], STDOUT_FILENO); - close(ed2vt[1]); - } - - int maxfd = sysconf(_SC_OPEN_MAX); - for (int fd = 3; fd < maxfd; fd++) - if (close(fd) == -1 && errno == EBADF) - break; - - for (const char **envp = env; envp && envp[0]; envp += 2) - setenv(envp[0], envp[1], 1); - setenv("TERM", vt_term, 1); - - if (cwd) - chdir(cwd); - - execvp(p, (char *const *)argv); - fprintf(stderr, "\nexecv() failed.\nCommand: '%s'\n", argv[0]); - exit(1); - } - - if (to) { - close(vt2ed[0]); - *to = vt2ed[1]; - } - - if (from) { - close(ed2vt[1]); - *from = ed2vt[0]; - } - - return t->pid = pid; -} - -int -vt_pty_get(Vt *t) -{ - return t->pty; -} - -ssize_t -vt_write(Vt *t, const char *buf, size_t len) -{ - ssize_t ret = len; - - while (len > 0) { - ssize_t res = write(t->pty, buf, len); - if (res < 0) { - if (errno != EAGAIN && errno != EINTR) - return -1; - continue; - } - buf += res; - len -= res; - } - - return ret; -} - -static -void -send_curs(Vt *t) -{ - Buffer *b = t->buffer; - char keyseq[16]; - snprintf(keyseq, sizeof keyseq, "\e[%d;%dR", (int)(b->curs_row - b->lines), b->curs_col); - vt_write(t, keyseq, strlen(keyseq)); -} - -void -vt_keypress(Vt *t, int keycode) -{ - vt_noscroll(t); - - if (keycode >= 0 && keycode <= KEY_MAX && keytable[keycode]) { - switch (keycode) { - case KEY_UP: - case KEY_DOWN: - case KEY_RIGHT: - case KEY_LEFT: { - char keyseq[3] = { '\e', (t->curskeymode ? 'O' : '['), keytable[keycode][0] }; - vt_write(t, keyseq, sizeof keyseq); - break; - } - default: - vt_write(t, keytable[keycode], strlen(keytable[keycode])); - } - } else if (keycode <= UCHAR_MAX) { - char c = keycode; - vt_write(t, &c, 1); - } else { -#ifndef NDEBUG - fprintf(stderr, "unhandled key %#o\n", keycode); -#endif - } -} - -void -vt_mouse(Vt *t, int x, int y, mmask_t mask) -{ -#ifdef NCURSES_MOUSE_VERSION - char seq[6] = { '\e', '[', 'M' }, state = 0, button = 0; - - if (!t->mousetrack) - return; - - if (mask & (BUTTON1_PRESSED | BUTTON1_CLICKED)) - button = 0; - else if (mask & (BUTTON2_PRESSED | BUTTON2_CLICKED)) - button = 1; - else if (mask & (BUTTON3_PRESSED | BUTTON3_CLICKED)) - button = 2; - else if (mask & (BUTTON1_RELEASED | BUTTON2_RELEASED | BUTTON3_RELEASED)) - button = 3; - - if (mask & BUTTON_SHIFT) - state |= 4; - if (mask & BUTTON_ALT) - state |= 8; - if (mask & BUTTON_CTRL) - state |= 16; - - seq[3] = 32 + button + state; - seq[4] = 32 + x; - seq[5] = 32 + y; - - vt_write(t, seq, sizeof seq); - - if (mask & (BUTTON1_CLICKED | BUTTON2_CLICKED | BUTTON3_CLICKED)) { - /* send a button release event */ - button = 3; - seq[3] = 32 + button + state; - vt_write(t, seq, sizeof seq); - } -#endif /* NCURSES_MOUSE_VERSION */ -} - -static -uint -color_hash(short fg, short bg) -{ - if (fg == -1) - fg = COLORS; - if (bg == -1) - bg = COLORS + 1; - return fg * (COLORS + 2) + bg; -} - -int -vt_rgb_get(Vt *t, uint8 r, uint8 g, uint8 b) -{ - return 0; -} - - -int -vt_color_get(Vt *t, short fg, short bg) -{ - if (fg >= COLORS) - fg = (t ? t->deffg : default_fg); - if (bg >= COLORS) - bg = (t ? t->defbg : default_bg); - - if (!has_default_colors) { - if (fg == -1) - fg = (t && t->deffg != -1 ? t->deffg : default_fg); - if (bg == -1) - bg = (t && t->defbg != -1 ? t->defbg : default_bg); - } - - if (!color2palette || (fg == -1 && bg == -1)) - return 0; - uint index = color_hash(fg, bg); - if (color2palette[index] == 0) { - short oldfg, oldbg; - for (;;) { - if (++color_pair_current >= color_pairs_max) - color_pair_current = color_pairs_reserved + 1; - pair_content(color_pair_current, &oldfg, &oldbg); - uint old_index = color_hash(oldfg, oldbg); - if (color2palette[old_index] >= 0) { - if (init_pair(color_pair_current, fg, bg) == OK) { - color2palette[old_index] = 0; - color2palette[index] = color_pair_current; - } - break; - } - } - } - - int color_pair = color2palette[index]; - return color_pair >= 0 ? color_pair : -color_pair; -} - -int -vt_color_reserve(short fg, short bg) -{ - if (!color2palette || fg >= COLORS || bg >= COLORS) - return 0; - - if (!has_default_colors && fg == -1) - fg = default_fg; - if (!has_default_colors && bg == -1) - bg = default_bg; - if (fg == -1 && bg == -1) - return 0; - - uint index = color_hash(fg, bg); - if (color2palette[index] >= 0) { - if (init_pair(color_pairs_reserved + 1, fg, bg) == OK) - color2palette[index] = -(++color_pairs_reserved); - } - int color_pair = color2palette[index]; - return color_pair >= 0 ? color_pair : -color_pair; -} - -int -vt_rgb_reserve(short fg, short bg) -{ - if (!color2palette || fg >= COLORS || bg >= COLORS) - return 0; - - if (!has_default_colors && fg == -1) - fg = default_fg; - if (!has_default_colors && bg == -1) - bg = default_bg; - if (fg == -1 && bg == -1) - return 0; - - uint index = color_hash(fg, bg); - if (color2palette[index] >= 0) { - if (init_pair(color_pairs_reserved + 1, fg, bg) == OK) - color2palette[index] = -(++color_pairs_reserved); - } - int color_pair = color2palette[index]; - return color_pair >= 0 ? color_pair : -color_pair; -} - -static -void -init_colors(void) -{ - pair_content(0, &default_fg, &default_bg); - if (default_fg == -1) - default_fg = COLOR_WHITE; - if (default_bg == -1) - default_bg = COLOR_BLACK; - has_default_colors = (use_default_colors() == OK); - color_pairs_max = MIN(MAX_COLOR_PAIRS, SHRT_MAX); - - if (COLORS) - color2palette = calloc((COLORS + 2) * (COLORS + 2), sizeof(int)); - /* - * XXX: On undefined color-pairs NetBSD curses pair_content() set fg - * and bg to default colors while ncurses set them respectively to - * 0 and 0. Initialize all color-pairs in order to have consistent - * behaviour despite the implementation used. - */ - for (short i = 1; i < color_pairs_max; i++) - init_extended_pair(i, 0, 0); - - vt_color_reserve(COLOR_WHITE, COLOR_BLACK); -} - -void -vt_init(void) -{ - init_colors(); - is_utf8_locale(); - char *term = getenv("DVTM_TERM"); - if (!term) - term = "dvtm"; - - snprintf(vt_term, sizeof vt_term, "%s%s", term, COLORS >= 256 ? "-256color" : ""); -} - -void -vt_keytable_set(const char * const keytable_overlay[], int count) -{ - for (int k = 0; k < count && k < KEY_MAX; k++) { - const char *keyseq = keytable_overlay[k]; - if (keyseq) - keytable[k] = keyseq; - } -} - -void -vt_shutdown(void) -{ - free(color2palette); -} - -void -vt_title_handler_set(Vt *t, vt_title_handler_t handler) -{ - t->title_handler = handler; -} - -void -vt_urgent_handler_set(Vt *t, vt_urgent_handler_t handler) -{ - t->urgent_handler = handler; -} - -void -vt_data_set(Vt *t, void *data) -{ - t->data = data; -} - -void * -vt_data_get(Vt *t) -{ - return t->data; -} - -bool -vt_cursor_visible(Vt *t) -{ - return t->buffer->scroll_below ? false : !t->curshid; -} - -pid_t -vt_pid_get(Vt *t) -{ - return t->pid; -} - -size_t -vt_content_get(Vt *t, char **buf, bool colored) -{ - Buffer *b = t->buffer; - int lines = b->scroll_above + b->scroll_below + b->rows + 1; - size_t size = lines * ((b->cols + 1) * ((colored ? 64 : 0) + MB_CUR_MAX)); - mbstate_t ps; - memset(&ps, 0, sizeof(ps)); - - if (!(*buf = malloc(size))) - return 0; - - char *s = *buf; - Cell *prev_cell = nil; - - for (Row *row = buffer_row_first(b); row; row = buffer_row_next(b, row)) { - size_t len = 0; - char *last_non_space = s; - for (int col = 0; col < b->cols; col++) { - Cell *cell = row->cells + col; - if (colored) { - int esclen = 0; - if (!prev_cell || cell->attr != prev_cell->attr) { - attr_t attr = cell->attr << NCURSES_ATTR_SHIFT; - esclen = sprintf(s, "\033[0%s%s%s%s%s%sm", - attr & A_BOLD ? ";1" : "", - attr & A_DIM ? ";2" : "", - attr & A_UNDERLINE ? ";4" : "", - attr & A_BLINK ? ";5" : "", - attr & A_REVERSE ? ";7" : "", - attr & A_INVIS ? ";8" : ""); - if (esclen > 0) - s += esclen; - } - if (!prev_cell || cell->fg != prev_cell->fg || cell->attr != prev_cell->attr) { - if (cell->fg == -1) - esclen = sprintf(s, "\033[39m"); - else - esclen = sprintf(s, "\033[38;5;%dm", cell->fg); - if (esclen > 0) - s += esclen; - } - if (!prev_cell || cell->bg != prev_cell->bg || cell->attr != prev_cell->attr) { - if (cell->bg == -1) - esclen = sprintf(s, "\033[49m"); - else - esclen = sprintf(s, "\033[48;5;%dm", cell->bg); - if (esclen > 0) - s += esclen; - } - prev_cell = cell; - } - if (cell->text) { - len = wcrtomb(s, cell->text, &ps); - if (len > 0) - s += len; - last_non_space = s; - } else if (len) { - len = 0; - } else { - *s++ = ' '; - } - } - - s = last_non_space; - *s++ = '\n'; - } - - return s - *buf; -} - -int -vt_content_start(Vt *t) -{ - return t->buffer->scroll_above; -} diff --git a/sys/cmd/dvtm/vt.h b/sys/cmd/dvtm/vt.h deleted file mode 100644 index dfc94b3..0000000 --- a/sys/cmd/dvtm/vt.h +++ /dev/null @@ -1,48 +0,0 @@ -/* see LICENSE for details */ -#pragma once -#include <u.h> - -#include <vendor/curses.h> -#include <stdbool.h> -#include <sys/types.h> - -#ifndef NCURSES_MOUSE_VERSION -#define mmask_t ulong -#endif - -typedef struct Vt Vt; -typedef void (*vt_title_handler_t)(Vt*, const char *title); -typedef void (*vt_urgent_handler_t)(Vt*); - -void vt_init(void); -void vt_shutdown(void); - -void vt_keytable_set(char const * const keytable_overlay[], int count); -void vt_default_colors_set(Vt*, attr_t attrs, short fg, short bg); -void vt_title_handler_set(Vt*, vt_title_handler_t); -void vt_urgent_handler_set(Vt*, vt_urgent_handler_t); -void vt_data_set(Vt*, void *); -void *vt_data_get(Vt*); - -Vt *vt_create(int rows, int cols, int scroll_buf_sz); -void vt_resize(Vt*, int rows, int cols); -void vt_destroy(Vt*); -pid_t vt_forkpty(Vt*, const char *p, const char *argv[], const char *cwd, const char *env[], int *to, int *from); -int vt_pty_get(Vt*); -bool vt_cursor_visible(Vt*); - -int vt_process(Vt *); -void vt_keypress(Vt *, int keycode); -ssize_t vt_write(Vt*, const char *buf, size_t len); -void vt_mouse(Vt*, int x, int y, mmask_t mask); -void vt_dirty(Vt*); -void vt_draw(Vt*, WINDOW *win, int startrow, int startcol); -int vt_color_get(Vt*, short fg, short bg); -int vt_color_reserve(short fg, short bg); - -void vt_scroll(Vt*, int rows); -void vt_noscroll(Vt*); - -pid_t vt_pid_get(Vt*); -size_t vt_content_get(Vt*, char **s, bool colored); -int vt_content_start(Vt*); |