2 #define I3__FILE__ "commands.c"
4 * vim:ts=4:sw=4:expandtab
6 * i3 - an improved dynamic tiling window manager
7 * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
9 * commands.c: all command functions (see commands_parser.c)
17 // Macros to make the YAJL API a bit easier to use.
18 #define y(x, ...) yajl_gen_ ## x (cmd_output->json_gen, ##__VA_ARGS__)
19 #define ystr(str) yajl_gen_string(cmd_output->json_gen, (unsigned char*)str, strlen(str))
20 #define ysuccess(success) do { \
27 /** When the command did not include match criteria (!), we use the currently
28 * focused container. Do not confuse this case with a command which included
29 * criteria but which did not match any windows. This macro has to be called in
32 #define HANDLE_EMPTY_MATCH do { \
33 if (match_is_empty(current_match)) { \
34 owindow *ow = smalloc(sizeof(owindow)); \
36 TAILQ_INIT(&owindows); \
37 TAILQ_INSERT_TAIL(&owindows, ow, owindows); \
41 static owindows_head owindows;
44 * Returns true if a is definitely greater than b (using the given epsilon)
47 static bool definitelyGreaterThan(float a, float b, float epsilon) {
48 return (a - b) > ( (fabs(a) < fabs(b) ? fabs(b) : fabs(a)) * epsilon);
52 * Returns an 'output' corresponding to one of left/right/down/up or a specific
56 static Output *get_output_from_string(Output *current_output, const char *output_str) {
59 if (strcasecmp(output_str, "left") == 0) {
60 output = get_output_next(D_LEFT, current_output);
62 output = get_output_most(D_RIGHT, current_output);
63 } else if (strcasecmp(output_str, "right") == 0) {
64 output = get_output_next(D_RIGHT, current_output);
66 output = get_output_most(D_LEFT, current_output);
67 } else if (strcasecmp(output_str, "up") == 0) {
68 output = get_output_next(D_UP, current_output);
70 output = get_output_most(D_DOWN, current_output);
71 } else if (strcasecmp(output_str, "down") == 0) {
72 output = get_output_next(D_DOWN, current_output);
74 output = get_output_most(D_UP, current_output);
75 } else output = get_output_by_name(output_str);
81 * Checks whether we switched to a new workspace and returns false in that case,
82 * signaling that further workspace switching should be done by the calling function
83 * If not, calls workspace_back_and_forth() if workspace_auto_back_and_forth is set
84 * and return true, signaling that no further workspace switching should occur in the calling function.
87 static bool maybe_back_and_forth(struct CommandResult *cmd_output, char *name) {
88 Con *ws = con_get_workspace(focused);
90 /* If we switched to a different workspace, do nothing */
91 if (strcmp(ws->name, name) != 0)
94 DLOG("This workspace is already focused.\n");
95 if (config.workspace_auto_back_and_forth) {
96 workspace_back_and_forth();
97 cmd_output->needs_tree_render = true;
102 // This code is commented out because we might recycle it for popping up error
103 // messages on parser errors.
105 static pid_t migration_pid = -1;
108 * Handler which will be called when we get a SIGCHLD for the nagbar, meaning
109 * it exited (or could not be started, depending on the exit code).
112 static void nagbar_exited(EV_P_ ev_child *watcher, int revents) {
113 ev_child_stop(EV_A_ watcher);
114 if (!WIFEXITED(watcher->rstatus)) {
115 fprintf(stderr, "ERROR: i3-nagbar did not exit normally.\n");
119 int exitcode = WEXITSTATUS(watcher->rstatus);
120 printf("i3-nagbar process exited with status %d\n", exitcode);
122 fprintf(stderr, "ERROR: i3-nagbar could not be found. Is it correctly installed on your system?\n");
128 /* We need ev >= 4 for the following code. Since it is not *that* important (it
129 * only makes sure that there are no i3-nagbar instances left behind) we still
130 * support old systems with libev 3. */
131 #if EV_VERSION_MAJOR >= 4
133 * Cleanup handler. Will be called when i3 exits. Kills i3-nagbar with signal
134 * SIGKILL (9) to make sure there are no left-over i3-nagbar processes.
137 static void nagbar_cleanup(EV_P_ ev_cleanup *watcher, int revent) {
138 if (migration_pid != -1) {
139 LOG("Sending SIGKILL (9) to i3-nagbar with PID %d\n", migration_pid);
140 kill(migration_pid, SIGKILL);
145 void cmd_MIGRATION_start_nagbar(void) {
146 if (migration_pid != -1) {
147 fprintf(stderr, "i3-nagbar already running.\n");
150 fprintf(stderr, "Starting i3-nagbar, command parsing differs from expected output.\n");
151 ELOG("Please report this on IRC or in the bugtracker. Make sure to include the full debug level logfile:\n");
152 ELOG("i3-dump-log | gzip -9c > /tmp/i3.log.gz\n");
153 ELOG("FYI: Your i3 version is " I3_VERSION "\n");
154 migration_pid = fork();
155 if (migration_pid == -1) {
156 warn("Could not fork()");
161 if (migration_pid == 0) {
163 sasprintf(&pageraction, "i3-sensible-terminal -e i3-sensible-pager \"%s\"", errorfilename);
165 NULL, /* will be replaced by the executable path */
169 "You found a parsing error. Please, please, please, report it!",
175 exec_i3_utility("i3-nagbar", argv);
179 /* install a child watcher */
180 ev_child *child = smalloc(sizeof(ev_child));
181 ev_child_init(child, &nagbar_exited, migration_pid, 0);
182 ev_child_start(main_loop, child);
184 /* We need ev >= 4 for the following code. Since it is not *that* important (it
185 * only makes sure that there are no i3-nagbar instances left behind) we still
186 * support old systems with libev 3. */
187 #if EV_VERSION_MAJOR >= 4
188 /* install a cleanup watcher (will be called when i3 exits and i3-nagbar is
190 ev_cleanup *cleanup = smalloc(sizeof(ev_cleanup));
191 ev_cleanup_init(cleanup, nagbar_cleanup);
192 ev_cleanup_start(main_loop, cleanup);
198 /*******************************************************************************
199 * Criteria functions.
200 ******************************************************************************/
203 * Initializes the specified 'Match' data structure and the initial state of
204 * commands.c for matching target windows of a command.
207 void cmd_criteria_init(I3_CMD) {
211 DLOG("Initializing criteria, current_match = %p\n", current_match);
212 match_init(current_match);
213 while (!TAILQ_EMPTY(&owindows)) {
214 ow = TAILQ_FIRST(&owindows);
215 TAILQ_REMOVE(&owindows, ow, owindows);
218 TAILQ_INIT(&owindows);
220 TAILQ_FOREACH(con, &all_cons, all_cons) {
221 ow = smalloc(sizeof(owindow));
223 TAILQ_INSERT_TAIL(&owindows, ow, owindows);
228 * A match specification just finished (the closing square bracket was found),
229 * so we filter the list of owindows.
232 void cmd_criteria_match_windows(I3_CMD) {
233 owindow *next, *current;
235 DLOG("match specification finished, matching...\n");
236 /* copy the old list head to iterate through it and start with a fresh
237 * list which will contain only matching windows */
238 struct owindows_head old = owindows;
239 TAILQ_INIT(&owindows);
240 for (next = TAILQ_FIRST(&old); next != TAILQ_END(&old);) {
241 /* make a copy of the next pointer and advance the pointer to the
242 * next element as we are going to invalidate the element’s
243 * next/prev pointers by calling TAILQ_INSERT_TAIL later */
245 next = TAILQ_NEXT(next, owindows);
247 DLOG("checking if con %p / %s matches\n", current->con, current->con->name);
248 if (current_match->con_id != NULL) {
249 if (current_match->con_id == current->con) {
250 DLOG("matches container!\n");
251 TAILQ_INSERT_TAIL(&owindows, current, owindows);
253 } else if (current_match->mark != NULL && current->con->mark != NULL &&
254 regex_matches(current_match->mark, current->con->mark)) {
255 DLOG("match by mark\n");
256 TAILQ_INSERT_TAIL(&owindows, current, owindows);
258 if (current->con->window == NULL)
260 if (match_matches_window(current_match, current->con->window)) {
261 DLOG("matches window!\n");
262 TAILQ_INSERT_TAIL(&owindows, current, owindows);
264 DLOG("doesnt match\n");
270 TAILQ_FOREACH(current, &owindows, owindows) {
271 DLOG("matching: %p / %s\n", current->con, current->con->name);
276 * Interprets a ctype=cvalue pair and adds it to the current match
280 void cmd_criteria_add(I3_CMD, char *ctype, char *cvalue) {
281 DLOG("ctype=*%s*, cvalue=*%s*\n", ctype, cvalue);
283 if (strcmp(ctype, "class") == 0) {
284 current_match->class = regex_new(cvalue);
288 if (strcmp(ctype, "instance") == 0) {
289 current_match->instance = regex_new(cvalue);
293 if (strcmp(ctype, "window_role") == 0) {
294 current_match->role = regex_new(cvalue);
298 if (strcmp(ctype, "con_id") == 0) {
300 long parsed = strtol(cvalue, &end, 10);
301 if (parsed == LONG_MIN ||
302 parsed == LONG_MAX ||
304 (end && *end != '\0')) {
305 ELOG("Could not parse con id \"%s\"\n", cvalue);
307 current_match->con_id = (Con*)parsed;
308 printf("id as int = %p\n", current_match->con_id);
313 if (strcmp(ctype, "id") == 0) {
315 long parsed = strtol(cvalue, &end, 10);
316 if (parsed == LONG_MIN ||
317 parsed == LONG_MAX ||
319 (end && *end != '\0')) {
320 ELOG("Could not parse window id \"%s\"\n", cvalue);
322 current_match->id = parsed;
323 printf("window id as int = %d\n", current_match->id);
328 if (strcmp(ctype, "con_mark") == 0) {
329 current_match->mark = regex_new(cvalue);
333 if (strcmp(ctype, "title") == 0) {
334 current_match->title = regex_new(cvalue);
338 if (strcmp(ctype, "urgent") == 0) {
339 if (strcasecmp(cvalue, "latest") == 0 ||
340 strcasecmp(cvalue, "newest") == 0 ||
341 strcasecmp(cvalue, "recent") == 0 ||
342 strcasecmp(cvalue, "last") == 0) {
343 current_match->urgent = U_LATEST;
344 } else if (strcasecmp(cvalue, "oldest") == 0 ||
345 strcasecmp(cvalue, "first") == 0) {
346 current_match->urgent = U_OLDEST;
351 ELOG("Unknown criterion: %s\n", ctype);
355 * Implementation of 'move [window|container] [to] workspace
356 * next|prev|next_on_output|prev_on_output|current'.
359 void cmd_move_con_to_workspace(I3_CMD, char *which) {
362 DLOG("which=%s\n", which);
364 /* We have nothing to move:
365 * when criteria was specified but didn't match any window or
366 * when criteria wasn't specified and we don't have any window focused. */
367 if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
368 (match_is_empty(current_match) && focused->type == CT_WORKSPACE)) {
375 /* get the workspace */
377 if (strcmp(which, "next") == 0)
378 ws = workspace_next();
379 else if (strcmp(which, "prev") == 0)
380 ws = workspace_prev();
381 else if (strcmp(which, "next_on_output") == 0)
382 ws = workspace_next_on_output();
383 else if (strcmp(which, "prev_on_output") == 0)
384 ws = workspace_prev_on_output();
385 else if (strcmp(which, "current") == 0)
386 ws = con_get_workspace(focused);
388 ELOG("BUG: called with which=%s\n", which);
393 TAILQ_FOREACH(current, &owindows, owindows) {
394 DLOG("matching: %p / %s\n", current->con, current->con->name);
395 con_move_to_workspace(current->con, ws, true, false);
398 cmd_output->needs_tree_render = true;
399 // XXX: default reply for now, make this a better reply
404 * Implementation of 'move [window|container] [to] workspace <name>'.
407 void cmd_move_con_to_workspace_name(I3_CMD, char *name) {
408 if (strncasecmp(name, "__i3_", strlen("__i3_")) == 0) {
409 LOG("You cannot switch to the i3 internal workspaces.\n");
416 /* We have nothing to move:
417 * when criteria was specified but didn't match any window or
418 * when criteria wasn't specified and we don't have any window focused. */
419 if (!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) {
420 ELOG("No windows match your criteria, cannot move.\n");
425 if (match_is_empty(current_match) && focused->type == CT_WORKSPACE) {
426 ELOG("No window to move, you have focused a workspace.\n");
431 LOG("should move window to workspace %s\n", name);
432 /* get the workspace */
433 Con *ws = workspace_get(name, NULL);
437 TAILQ_FOREACH(current, &owindows, owindows) {
438 DLOG("matching: %p / %s\n", current->con, current->con->name);
439 con_move_to_workspace(current->con, ws, true, false);
442 cmd_output->needs_tree_render = true;
443 // XXX: default reply for now, make this a better reply
448 * Implementation of 'move [window|container] [to] workspace number <number>'.
451 void cmd_move_con_to_workspace_number(I3_CMD, char *which) {
454 /* We have nothing to move:
455 * when criteria was specified but didn't match any window or
456 * when criteria wasn't specified and we don't have any window focused. */
457 if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
458 (match_is_empty(current_match) && focused->type == CT_WORKSPACE)) {
463 LOG("should move window to workspace %s\n", which);
464 /* get the workspace */
465 Con *output, *workspace = NULL;
468 long parsed_num = strtol(which, &endptr, 10);
469 if (parsed_num == LONG_MIN ||
470 parsed_num == LONG_MAX ||
473 LOG("Could not parse \"%s\" as a number.\n", which);
478 // TODO: better error message
479 ystr("Could not parse number");
484 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
485 GREP_FIRST(workspace, output_get_content(output),
486 child->num == parsed_num);
493 // TODO: better error message
494 ystr("No such workspace");
501 TAILQ_FOREACH(current, &owindows, owindows) {
502 DLOG("matching: %p / %s\n", current->con, current->con->name);
503 con_move_to_workspace(current->con, workspace, true, false);
506 cmd_output->needs_tree_render = true;
507 // XXX: default reply for now, make this a better reply
511 static void cmd_resize_floating(I3_CMD, char *way, char *direction, Con *floating_con, int px) {
512 LOG("floating resize\n");
513 if (strcmp(direction, "up") == 0) {
514 floating_con->rect.y -= px;
515 floating_con->rect.height += px;
516 } else if (strcmp(direction, "down") == 0) {
517 floating_con->rect.height += px;
518 } else if (strcmp(direction, "left") == 0) {
519 floating_con->rect.x -= px;
520 floating_con->rect.width += px;
522 floating_con->rect.width += px;
526 static bool cmd_resize_tiling_direction(I3_CMD, char *way, char *direction, int ppt) {
527 LOG("tiling resize\n");
528 /* get the appropriate current container (skip stacked/tabbed cons) */
529 Con *current = focused;
531 double percentage = 0;
532 while (current->parent->layout == L_STACKED ||
533 current->parent->layout == L_TABBED)
534 current = current->parent;
536 /* Then further go up until we find one with the matching orientation. */
537 orientation_t search_orientation =
538 (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0 ? HORIZ : VERT);
541 if (con_orientation(current->parent) != search_orientation) {
542 current = current->parent;
546 /* get the default percentage */
547 int children = con_num_children(current->parent);
548 LOG("ins. %d children\n", children);
549 percentage = 1.0 / children;
550 LOG("default percentage = %f\n", percentage);
552 orientation_t orientation = con_orientation(current->parent);
554 if ((orientation == HORIZ &&
555 (strcmp(direction, "up") == 0 || strcmp(direction, "down") == 0)) ||
556 (orientation == VERT &&
557 (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0))) {
558 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
559 (orientation == HORIZ ? "horizontal" : "vertical"));
564 if (strcmp(direction, "up") == 0 || strcmp(direction, "left") == 0) {
565 other = TAILQ_PREV(current, nodes_head, nodes);
567 other = TAILQ_NEXT(current, nodes);
569 if (other == TAILQ_END(workspaces)) {
570 LOG("No other container in this direction found, trying to look further up in the tree...\n");
571 current = current->parent;
575 } while (current->type != CT_WORKSPACE &&
576 current->type != CT_FLOATING_CON);
579 LOG("No other container in this direction found, trying to look further up in the tree...\n");
584 LOG("other->percent = %f\n", other->percent);
585 LOG("current->percent before = %f\n", current->percent);
586 if (current->percent == 0.0)
587 current->percent = percentage;
588 if (other->percent == 0.0)
589 other->percent = percentage;
590 double new_current_percent = current->percent + ((double)ppt / 100.0);
591 double new_other_percent = other->percent - ((double)ppt / 100.0);
592 LOG("new_current_percent = %f\n", new_current_percent);
593 LOG("new_other_percent = %f\n", new_other_percent);
594 /* Ensure that the new percentages are positive and greater than
595 * 0.05 to have a reasonable minimum size. */
596 if (definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON) &&
597 definitelyGreaterThan(new_other_percent, 0.05, DBL_EPSILON)) {
598 current->percent += ((double)ppt / 100.0);
599 other->percent -= ((double)ppt / 100.0);
600 LOG("current->percent after = %f\n", current->percent);
601 LOG("other->percent after = %f\n", other->percent);
603 LOG("Not resizing, already at minimum size\n");
609 static bool cmd_resize_tiling_width_height(I3_CMD, char *way, char *direction, int ppt) {
610 LOG("width/height resize\n");
611 /* get the appropriate current container (skip stacked/tabbed cons) */
612 Con *current = focused;
613 while (current->parent->layout == L_STACKED ||
614 current->parent->layout == L_TABBED)
615 current = current->parent;
617 /* Then further go up until we find one with the matching orientation. */
618 orientation_t search_orientation =
619 (strcmp(direction, "width") == 0 ? HORIZ : VERT);
621 while (current->type != CT_WORKSPACE &&
622 current->type != CT_FLOATING_CON &&
623 con_orientation(current->parent) != search_orientation)
624 current = current->parent;
626 /* get the default percentage */
627 int children = con_num_children(current->parent);
628 LOG("ins. %d children\n", children);
629 double percentage = 1.0 / children;
630 LOG("default percentage = %f\n", percentage);
632 orientation_t orientation = con_orientation(current->parent);
634 if ((orientation == HORIZ &&
635 strcmp(direction, "height") == 0) ||
636 (orientation == VERT &&
637 strcmp(direction, "width") == 0)) {
638 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
639 (orientation == HORIZ ? "horizontal" : "vertical"));
645 LOG("This is the only container, cannot resize.\n");
650 /* Ensure all the other children have a percentage set. */
652 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
653 LOG("child->percent = %f (child %p)\n", child->percent, child);
654 if (child->percent == 0.0)
655 child->percent = percentage;
658 double new_current_percent = current->percent + ((double)ppt / 100.0);
659 double subtract_percent = ((double)ppt / 100.0) / (children - 1);
660 LOG("new_current_percent = %f\n", new_current_percent);
661 LOG("subtract_percent = %f\n", subtract_percent);
662 /* Ensure that the new percentages are positive and greater than
663 * 0.05 to have a reasonable minimum size. */
664 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
665 if (child == current)
667 if (!definitelyGreaterThan(child->percent - subtract_percent, 0.05, DBL_EPSILON)) {
668 LOG("Not resizing, already at minimum size (child %p would end up with a size of %.f\n", child, child->percent - subtract_percent);
673 if (!definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON)) {
674 LOG("Not resizing, already at minimum size\n");
679 current->percent += ((double)ppt / 100.0);
680 LOG("current->percent after = %f\n", current->percent);
682 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
683 if (child == current)
685 child->percent -= subtract_percent;
686 LOG("child->percent after (%p) = %f\n", child, child->percent);
693 * Implementation of 'resize grow|shrink <direction> [<px> px] [or <ppt> ppt]'.
696 void cmd_resize(I3_CMD, char *way, char *direction, char *resize_px, char *resize_ppt) {
697 /* resize <grow|shrink> <direction> [<px> px] [or <ppt> ppt] */
698 DLOG("resizing in way %s, direction %s, px %s or ppt %s\n", way, direction, resize_px, resize_ppt);
699 // TODO: We could either handle this in the parser itself as a separate token (and make the stack typed) or we need a better way to convert a string to a number with error checking
700 int px = atoi(resize_px);
701 int ppt = atoi(resize_ppt);
702 if (strcmp(way, "shrink") == 0) {
708 if ((floating_con = con_inside_floating(focused))) {
709 cmd_resize_floating(current_match, cmd_output, way, direction, floating_con, px);
711 if (strcmp(direction, "width") == 0 ||
712 strcmp(direction, "height") == 0) {
713 if (!cmd_resize_tiling_width_height(current_match, cmd_output, way, direction, ppt))
716 if (!cmd_resize_tiling_direction(current_match, cmd_output, way, direction, ppt))
721 cmd_output->needs_tree_render = true;
722 // XXX: default reply for now, make this a better reply
727 * Implementation of 'border normal|none|1pixel|toggle'.
730 void cmd_border(I3_CMD, char *border_style_str) {
731 DLOG("border style should be changed to %s\n", border_style_str);
736 TAILQ_FOREACH(current, &owindows, owindows) {
737 DLOG("matching: %p / %s\n", current->con, current->con->name);
738 int border_style = current->con->border_style;
739 if (strcmp(border_style_str, "toggle") == 0) {
743 if (strcmp(border_style_str, "normal") == 0)
744 border_style = BS_NORMAL;
745 else if (strcmp(border_style_str, "none") == 0)
746 border_style = BS_NONE;
747 else if (strcmp(border_style_str, "1pixel") == 0)
748 border_style = BS_1PIXEL;
750 ELOG("BUG: called with border_style=%s\n", border_style_str);
755 con_set_border_style(current->con, border_style);
758 cmd_output->needs_tree_render = true;
759 // XXX: default reply for now, make this a better reply
764 * Implementation of 'nop <comment>'.
767 void cmd_nop(I3_CMD, char *comment) {
768 LOG("-------------------------------------------------\n");
769 LOG(" NOP: %s\n", comment);
770 LOG("-------------------------------------------------\n");
774 * Implementation of 'append_layout <path>'.
777 void cmd_append_layout(I3_CMD, char *path) {
778 LOG("Appending layout \"%s\"\n", path);
779 tree_append_json(path);
781 cmd_output->needs_tree_render = true;
782 // XXX: default reply for now, make this a better reply
787 * Implementation of 'workspace next|prev|next_on_output|prev_on_output'.
790 void cmd_workspace(I3_CMD, char *which) {
793 DLOG("which=%s\n", which);
795 if (strcmp(which, "next") == 0)
796 ws = workspace_next();
797 else if (strcmp(which, "prev") == 0)
798 ws = workspace_prev();
799 else if (strcmp(which, "next_on_output") == 0)
800 ws = workspace_next_on_output();
801 else if (strcmp(which, "prev_on_output") == 0)
802 ws = workspace_prev_on_output();
804 ELOG("BUG: called with which=%s\n", which);
811 cmd_output->needs_tree_render = true;
812 // XXX: default reply for now, make this a better reply
817 * Implementation of 'workspace number <number>'
820 void cmd_workspace_number(I3_CMD, char *which) {
821 Con *output, *workspace = NULL;
824 long parsed_num = strtol(which, &endptr, 10);
825 if (parsed_num == LONG_MIN ||
826 parsed_num == LONG_MAX ||
829 LOG("Could not parse \"%s\" as a number.\n", which);
834 // TODO: better error message
835 ystr("Could not parse number");
841 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
842 GREP_FIRST(workspace, output_get_content(output),
843 child->num == parsed_num);
846 LOG("There is no workspace with number %ld, creating a new one.\n", parsed_num);
848 /* terminate the which string after the endposition of the number */
850 if (maybe_back_and_forth(cmd_output, which))
852 workspace_show_by_name(which);
853 cmd_output->needs_tree_render = true;
856 if (maybe_back_and_forth(cmd_output, which))
858 workspace_show(workspace);
860 cmd_output->needs_tree_render = true;
861 // XXX: default reply for now, make this a better reply
866 * Implementation of 'workspace back_and_forth'.
869 void cmd_workspace_back_and_forth(I3_CMD) {
870 workspace_back_and_forth();
872 cmd_output->needs_tree_render = true;
873 // XXX: default reply for now, make this a better reply
878 * Implementation of 'workspace <name>'
881 void cmd_workspace_name(I3_CMD, char *name) {
882 if (strncasecmp(name, "__i3_", strlen("__i3_")) == 0) {
883 LOG("You cannot switch to the i3 internal workspaces.\n");
888 DLOG("should switch to workspace %s\n", name);
889 if (maybe_back_and_forth(cmd_output, name))
891 workspace_show_by_name(name);
893 cmd_output->needs_tree_render = true;
894 // XXX: default reply for now, make this a better reply
899 * Implementation of 'mark <mark>'
902 void cmd_mark(I3_CMD, char *mark) {
903 DLOG("Clearing all windows which have that mark first\n");
906 TAILQ_FOREACH(con, &all_cons, all_cons) {
907 if (con->mark && strcmp(con->mark, mark) == 0)
911 DLOG("marking window with str %s\n", mark);
916 TAILQ_FOREACH(current, &owindows, owindows) {
917 DLOG("matching: %p / %s\n", current->con, current->con->name);
918 current->con->mark = sstrdup(mark);
921 cmd_output->needs_tree_render = true;
922 // XXX: default reply for now, make this a better reply
927 * Implementation of 'mode <string>'.
930 void cmd_mode(I3_CMD, char *mode) {
931 DLOG("mode=%s\n", mode);
934 // XXX: default reply for now, make this a better reply
939 * Implementation of 'move [window|container] [to] output <str>'.
942 void cmd_move_con_to_output(I3_CMD, char *name) {
945 DLOG("should move window to output %s\n", name);
950 Output *current_output = NULL;
953 // TODO: fix the handling of criteria
954 TAILQ_FOREACH(current, &owindows, owindows)
955 current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
957 assert(current_output != NULL);
959 // TODO: clean this up with commands.spec as soon as we switched away from the lex/yacc command parser
960 if (strcasecmp(name, "up") == 0)
961 output = get_output_next(D_UP, current_output);
962 else if (strcasecmp(name, "down") == 0)
963 output = get_output_next(D_DOWN, current_output);
964 else if (strcasecmp(name, "left") == 0)
965 output = get_output_next(D_LEFT, current_output);
966 else if (strcasecmp(name, "right") == 0)
967 output = get_output_next(D_RIGHT, current_output);
969 output = get_output_by_name(name);
972 LOG("No such output found.\n");
977 /* get visible workspace on output */
979 GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
985 TAILQ_FOREACH(current, &owindows, owindows) {
986 DLOG("matching: %p / %s\n", current->con, current->con->name);
987 con_move_to_workspace(current->con, ws, true, false);
990 cmd_output->needs_tree_render = true;
991 // XXX: default reply for now, make this a better reply
996 * Implementation of 'floating enable|disable|toggle'
999 void cmd_floating(I3_CMD, char *floating_mode) {
1002 DLOG("floating_mode=%s\n", floating_mode);
1006 TAILQ_FOREACH(current, &owindows, owindows) {
1007 DLOG("matching: %p / %s\n", current->con, current->con->name);
1008 if (strcmp(floating_mode, "toggle") == 0) {
1009 DLOG("should toggle mode\n");
1010 toggle_floating_mode(current->con, false);
1012 DLOG("should switch mode to %s\n", floating_mode);
1013 if (strcmp(floating_mode, "enable") == 0) {
1014 floating_enable(current->con, false);
1016 floating_disable(current->con, false);
1021 cmd_output->needs_tree_render = true;
1022 // XXX: default reply for now, make this a better reply
1027 * Implementation of 'move workspace to [output] <str>'.
1030 void cmd_move_workspace_to_output(I3_CMD, char *name) {
1031 DLOG("should move workspace to output %s\n", name);
1036 TAILQ_FOREACH(current, &owindows, owindows) {
1037 Output *current_output = get_output_containing(current->con->rect.x,
1038 current->con->rect.y);
1039 if (!current_output) {
1040 ELOG("Cannot get current output. This is a bug in i3.\n");
1044 Output *output = get_output_from_string(current_output, name);
1046 ELOG("Could not get output from string \"%s\"\n", name);
1051 Con *content = output_get_content(output->con);
1052 LOG("got output %p with content %p\n", output, content);
1054 Con *ws = con_get_workspace(current->con);
1055 LOG("should move workspace %p / %s\n", ws, ws->name);
1057 if (con_num_children(ws->parent) == 1) {
1058 LOG("Creating a new workspace to replace \"%s\" (last on its output).\n", ws->name);
1060 /* check if we can find a workspace assigned to this output */
1061 bool used_assignment = false;
1062 struct Workspace_Assignment *assignment;
1063 TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
1064 if (strcmp(assignment->output, current_output->name) != 0)
1067 /* check if this workspace is already attached to the tree */
1068 Con *workspace = NULL, *out;
1069 TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
1070 GREP_FIRST(workspace, output_get_content(out),
1071 !strcasecmp(child->name, assignment->name));
1072 if (workspace != NULL)
1075 /* so create the workspace referenced to by this assignment */
1076 LOG("Creating workspace from assignment %s.\n", assignment->name);
1077 workspace_get(assignment->name, NULL);
1078 used_assignment = true;
1082 /* if we couldn't create the workspace using an assignment, create
1083 * it on the output */
1084 if (!used_assignment)
1085 create_workspace_on_output(current_output, ws->parent);
1087 /* notify the IPC listeners */
1088 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
1091 /* detach from the old output and attach to the new output */
1092 bool workspace_was_visible = workspace_is_visible(ws);
1093 Con *old_content = ws->parent;
1095 if (workspace_was_visible) {
1096 /* The workspace which we just detached was visible, so focus
1097 * the next one in the focus-stack. */
1098 Con *focus_ws = TAILQ_FIRST(&(old_content->focus_head));
1099 LOG("workspace was visible, focusing %p / %s now\n", focus_ws, focus_ws->name);
1100 workspace_show(focus_ws);
1102 con_attach(ws, content, false);
1104 /* fix the coordinates of the floating containers */
1106 TAILQ_FOREACH(floating_con, &(ws->floating_head), floating_windows)
1107 floating_fix_coordinates(floating_con, &(old_content->rect), &(content->rect));
1109 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"move\"}");
1110 if (workspace_was_visible) {
1111 /* Focus the moved workspace on the destination output. */
1116 cmd_output->needs_tree_render = true;
1117 // XXX: default reply for now, make this a better reply
1122 * Implementation of 'split v|h|vertical|horizontal'.
1125 void cmd_split(I3_CMD, char *direction) {
1126 /* TODO: use matches */
1127 LOG("splitting in direction %c\n", direction[0]);
1128 tree_split(focused, (direction[0] == 'v' ? VERT : HORIZ));
1130 cmd_output->needs_tree_render = true;
1131 // XXX: default reply for now, make this a better reply
1136 * Implementaiton of 'kill [window|client]'.
1139 void cmd_kill(I3_CMD, char *kill_mode_str) {
1140 if (kill_mode_str == NULL)
1141 kill_mode_str = "window";
1144 DLOG("kill_mode=%s\n", kill_mode_str);
1147 if (strcmp(kill_mode_str, "window") == 0)
1148 kill_mode = KILL_WINDOW;
1149 else if (strcmp(kill_mode_str, "client") == 0)
1150 kill_mode = KILL_CLIENT;
1152 ELOG("BUG: called with kill_mode=%s\n", kill_mode_str);
1157 /* check if the match is empty, not if the result is empty */
1158 if (match_is_empty(current_match))
1159 tree_close_con(kill_mode);
1161 TAILQ_FOREACH(current, &owindows, owindows) {
1162 DLOG("matching: %p / %s\n", current->con, current->con->name);
1163 tree_close(current->con, kill_mode, false, false);
1167 cmd_output->needs_tree_render = true;
1168 // XXX: default reply for now, make this a better reply
1173 * Implementation of 'exec [--no-startup-id] <command>'.
1176 void cmd_exec(I3_CMD, char *nosn, char *command) {
1177 bool no_startup_id = (nosn != NULL);
1179 DLOG("should execute %s, no_startup_id = %d\n", command, no_startup_id);
1180 start_application(command, no_startup_id);
1182 // XXX: default reply for now, make this a better reply
1187 * Implementation of 'focus left|right|up|down'.
1190 void cmd_focus_direction(I3_CMD, char *direction) {
1192 focused->type != CT_WORKSPACE &&
1193 focused->fullscreen_mode != CF_NONE) {
1194 LOG("Cannot change focus while in fullscreen mode.\n");
1199 DLOG("direction = *%s*\n", direction);
1201 if (strcmp(direction, "left") == 0)
1202 tree_next('p', HORIZ);
1203 else if (strcmp(direction, "right") == 0)
1204 tree_next('n', HORIZ);
1205 else if (strcmp(direction, "up") == 0)
1206 tree_next('p', VERT);
1207 else if (strcmp(direction, "down") == 0)
1208 tree_next('n', VERT);
1210 ELOG("Invalid focus direction (%s)\n", direction);
1215 cmd_output->needs_tree_render = true;
1216 // XXX: default reply for now, make this a better reply
1221 * Implementation of 'focus tiling|floating|mode_toggle'.
1224 void cmd_focus_window_mode(I3_CMD, char *window_mode) {
1226 focused->type != CT_WORKSPACE &&
1227 focused->fullscreen_mode != CF_NONE) {
1228 LOG("Cannot change focus while in fullscreen mode.\n");
1233 DLOG("window_mode = %s\n", window_mode);
1235 Con *ws = con_get_workspace(focused);
1238 if (strcmp(window_mode, "mode_toggle") == 0) {
1239 current = TAILQ_FIRST(&(ws->focus_head));
1240 if (current != NULL && current->type == CT_FLOATING_CON)
1241 window_mode = "tiling";
1242 else window_mode = "floating";
1244 TAILQ_FOREACH(current, &(ws->focus_head), focused) {
1245 if ((strcmp(window_mode, "floating") == 0 && current->type != CT_FLOATING_CON) ||
1246 (strcmp(window_mode, "tiling") == 0 && current->type == CT_FLOATING_CON))
1249 con_focus(con_descend_focused(current));
1254 cmd_output->needs_tree_render = true;
1255 // XXX: default reply for now, make this a better reply
1260 * Implementation of 'focus parent|child'.
1263 void cmd_focus_level(I3_CMD, char *level) {
1264 DLOG("level = %s\n", level);
1265 bool success = false;
1267 /* Focusing the parent can only be allowed if the newly
1268 * focused container won't escape the fullscreen container. */
1269 if (strcmp(level, "parent") == 0) {
1270 if (focused && focused->parent) {
1271 if (con_fullscreen_permits_focusing(focused->parent))
1272 success = level_up();
1274 ELOG("'focus parent': Currently in fullscreen, not going up\n");
1278 /* Focusing a child should always be allowed. */
1279 else success = level_down();
1281 cmd_output->needs_tree_render = success;
1282 // XXX: default reply for now, make this a better reply
1287 * Implementation of 'focus'.
1290 void cmd_focus(I3_CMD) {
1291 DLOG("current_match = %p\n", current_match);
1293 if (match_is_empty(current_match)) {
1294 ELOG("You have to specify which window/container should be focused.\n");
1295 ELOG("Example: [class=\"urxvt\" title=\"irssi\"] focus\n");
1301 ystr("You have to specify which window/container should be focused");
1309 TAILQ_FOREACH(current, &owindows, owindows) {
1310 Con *ws = con_get_workspace(current->con);
1311 /* If no workspace could be found, this was a dock window.
1312 * Just skip it, you cannot focus dock windows. */
1316 /* Check the fullscreen focus constraints. */
1317 if (!con_fullscreen_permits_focusing(current->con)) {
1318 LOG("Cannot change focus while in fullscreen mode (fullscreen rules).\n");
1323 /* If the container is not on the current workspace,
1324 * workspace_show() will switch to a different workspace and (if
1325 * enabled) trigger a mouse pointer warp to the currently focused
1326 * container (!) on the target workspace.
1328 * Therefore, before calling workspace_show(), we make sure that
1329 * 'current' will be focused on the workspace. However, we cannot
1330 * just con_focus(current) because then the pointer will not be
1331 * warped at all (the code thinks we are already there).
1333 * So we focus 'current' to make it the currently focused window of
1334 * the target workspace, then revert focus. */
1335 Con *currently_focused = focused;
1336 con_focus(current->con);
1337 con_focus(currently_focused);
1339 /* Now switch to the workspace, then focus */
1341 LOG("focusing %p / %s\n", current->con, current->con->name);
1342 con_focus(current->con);
1347 LOG("WARNING: Your criteria for the focus command matches %d containers, "
1348 "while only exactly one container can be focused at a time.\n", count);
1350 cmd_output->needs_tree_render = true;
1351 // XXX: default reply for now, make this a better reply
1356 * Implementation of 'fullscreen [global]'.
1359 void cmd_fullscreen(I3_CMD, char *fullscreen_mode) {
1360 if (fullscreen_mode == NULL)
1361 fullscreen_mode = "output";
1362 DLOG("toggling fullscreen, mode = %s\n", fullscreen_mode);
1367 TAILQ_FOREACH(current, &owindows, owindows) {
1368 printf("matching: %p / %s\n", current->con, current->con->name);
1369 con_toggle_fullscreen(current->con, (strcmp(fullscreen_mode, "global") == 0 ? CF_GLOBAL : CF_OUTPUT));
1372 cmd_output->needs_tree_render = true;
1373 // XXX: default reply for now, make this a better reply
1378 * Implementation of 'move <direction> [<pixels> [px]]'.
1381 void cmd_move_direction(I3_CMD, char *direction, char *move_px) {
1382 // TODO: We could either handle this in the parser itself as a separate token (and make the stack typed) or we need a better way to convert a string to a number with error checking
1383 int px = atoi(move_px);
1385 /* TODO: make 'move' work with criteria. */
1386 DLOG("moving in direction %s, px %s\n", direction, move_px);
1387 if (con_is_floating(focused)) {
1388 DLOG("floating move with %d pixels\n", px);
1389 Rect newrect = focused->parent->rect;
1390 if (strcmp(direction, "left") == 0) {
1392 } else if (strcmp(direction, "right") == 0) {
1394 } else if (strcmp(direction, "up") == 0) {
1396 } else if (strcmp(direction, "down") == 0) {
1399 floating_reposition(focused->parent, newrect);
1401 tree_move((strcmp(direction, "right") == 0 ? D_RIGHT :
1402 (strcmp(direction, "left") == 0 ? D_LEFT :
1403 (strcmp(direction, "up") == 0 ? D_UP :
1405 cmd_output->needs_tree_render = true;
1408 // XXX: default reply for now, make this a better reply
1413 * Implementation of 'layout default|stacked|stacking|tabbed|splitv|splith'.
1416 void cmd_layout(I3_CMD, char *layout_str) {
1417 if (strcmp(layout_str, "stacking") == 0)
1418 layout_str = "stacked";
1421 /* default is a special case which will be handled in con_set_layout(). */
1422 if (strcmp(layout_str, "default") == 0)
1424 else if (strcmp(layout_str, "stacked") == 0)
1426 else if (strcmp(layout_str, "tabbed") == 0)
1428 else if (strcmp(layout_str, "splitv") == 0)
1430 else if (strcmp(layout_str, "splith") == 0)
1433 ELOG("Unknown layout \"%s\", this is a mismatch between code and parser spec.\n", layout_str);
1437 DLOG("changing layout to %s (%d)\n", layout_str, layout);
1439 /* check if the match is empty, not if the result is empty */
1440 if (match_is_empty(current_match))
1441 con_set_layout(focused->parent, layout);
1443 TAILQ_FOREACH(current, &owindows, owindows) {
1444 DLOG("matching: %p / %s\n", current->con, current->con->name);
1445 con_set_layout(current->con, layout);
1449 cmd_output->needs_tree_render = true;
1450 // XXX: default reply for now, make this a better reply
1455 * Implementation of 'layout toggle [all|split]'.
1458 void cmd_layout_toggle(I3_CMD, char *toggle_mode) {
1461 if (toggle_mode == NULL)
1462 toggle_mode = "default";
1464 DLOG("toggling layout (mode = %s)\n", toggle_mode);
1466 /* check if the match is empty, not if the result is empty */
1467 if (match_is_empty(current_match))
1468 con_toggle_layout(focused->parent, toggle_mode);
1470 TAILQ_FOREACH(current, &owindows, owindows) {
1471 DLOG("matching: %p / %s\n", current->con, current->con->name);
1472 con_toggle_layout(current->con, toggle_mode);
1476 cmd_output->needs_tree_render = true;
1477 // XXX: default reply for now, make this a better reply
1482 * Implementaiton of 'exit'.
1485 void cmd_exit(I3_CMD) {
1486 LOG("Exiting due to user command.\n");
1487 xcb_disconnect(conn);
1494 * Implementaiton of 'reload'.
1497 void cmd_reload(I3_CMD) {
1499 kill_configerror_nagbar(false);
1500 kill_commanderror_nagbar(false);
1501 load_configuration(conn, NULL, true);
1503 /* Send an IPC event just in case the ws names have changed */
1504 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"reload\"}");
1506 // XXX: default reply for now, make this a better reply
1511 * Implementaiton of 'restart'.
1514 void cmd_restart(I3_CMD) {
1515 LOG("restarting i3\n");
1518 // XXX: default reply for now, make this a better reply
1523 * Implementaiton of 'open'.
1526 void cmd_open(I3_CMD) {
1527 LOG("opening new container\n");
1528 Con *con = tree_open_con(NULL, NULL);
1529 con->layout = L_SPLITH;
1536 y(integer, (long int)con);
1539 cmd_output->needs_tree_render = true;
1543 * Implementation of 'focus output <output>'.
1546 void cmd_focus_output(I3_CMD, char *name) {
1549 DLOG("name = %s\n", name);
1553 /* get the output */
1554 Output *current_output = NULL;
1557 TAILQ_FOREACH(current, &owindows, owindows)
1558 current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
1559 assert(current_output != NULL);
1561 output = get_output_from_string(current_output, name);
1564 LOG("No such output found.\n");
1569 /* get visible workspace on output */
1571 GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
1579 cmd_output->needs_tree_render = true;
1580 // XXX: default reply for now, make this a better reply
1585 * Implementation of 'move [window|container] [to] [absolute] position <px> [px] <px> [px]
1588 void cmd_move_window_to_position(I3_CMD, char *method, char *cx, char *cy) {
1593 if (!con_is_floating(focused)) {
1594 ELOG("Cannot change position. The window/container is not floating\n");
1599 ystr("Cannot change position. The window/container is not floating.");
1604 if (strcmp(method, "absolute") == 0) {
1605 focused->parent->rect.x = x;
1606 focused->parent->rect.y = y;
1608 DLOG("moving to absolute position %d %d\n", x, y);
1609 floating_maybe_reassign_ws(focused->parent);
1610 cmd_output->needs_tree_render = true;
1613 if (strcmp(method, "position") == 0) {
1614 Rect newrect = focused->parent->rect;
1616 DLOG("moving to position %d %d\n", x, y);
1620 floating_reposition(focused->parent, newrect);
1623 // XXX: default reply for now, make this a better reply
1628 * Implementation of 'move [window|container] [to] [absolute] position center
1631 void cmd_move_window_to_center(I3_CMD, char *method) {
1633 if (!con_is_floating(focused)) {
1634 ELOG("Cannot change position. The window/container is not floating\n");
1639 ystr("Cannot change position. The window/container is not floating.");
1643 if (strcmp(method, "absolute") == 0) {
1644 Rect *rect = &focused->parent->rect;
1646 DLOG("moving to absolute center\n");
1647 rect->x = croot->rect.width/2 - rect->width/2;
1648 rect->y = croot->rect.height/2 - rect->height/2;
1650 floating_maybe_reassign_ws(focused->parent);
1651 cmd_output->needs_tree_render = true;
1654 if (strcmp(method, "position") == 0) {
1655 Rect *wsrect = &con_get_workspace(focused)->rect;
1656 Rect newrect = focused->parent->rect;
1658 DLOG("moving to center\n");
1659 newrect.x = wsrect->width/2 - newrect.width/2;
1660 newrect.y = wsrect->height/2 - newrect.height/2;
1662 floating_reposition(focused->parent, newrect);
1665 // XXX: default reply for now, make this a better reply
1670 * Implementation of 'move scratchpad'.
1673 void cmd_move_scratchpad(I3_CMD) {
1674 DLOG("should move window to scratchpad\n");
1679 TAILQ_FOREACH(current, &owindows, owindows) {
1680 DLOG("matching: %p / %s\n", current->con, current->con->name);
1681 scratchpad_move(current->con);
1684 cmd_output->needs_tree_render = true;
1685 // XXX: default reply for now, make this a better reply
1690 * Implementation of 'scratchpad show'.
1693 void cmd_scratchpad_show(I3_CMD) {
1694 DLOG("should show scratchpad window\n");
1697 if (match_is_empty(current_match)) {
1698 scratchpad_show(NULL);
1700 TAILQ_FOREACH(current, &owindows, owindows) {
1701 DLOG("matching: %p / %s\n", current->con, current->con->name);
1702 scratchpad_show(current->con);
1706 cmd_output->needs_tree_render = true;
1707 // XXX: default reply for now, make this a better reply
1712 * Implementation of 'rename workspace <name> to <name>'
1715 void cmd_rename_workspace(I3_CMD, char *old_name, char *new_name) {
1716 LOG("Renaming workspace \"%s\" to \"%s\"\n", old_name, new_name);
1718 Con *output, *workspace = NULL;
1719 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1720 GREP_FIRST(workspace, output_get_content(output),
1721 !strcasecmp(child->name, old_name));
1724 // TODO: we should include the old workspace name here and use yajl for
1725 // generating the reply.
1730 // TODO: better error message
1731 ystr("Old workspace not found");
1736 Con *check_dest = NULL;
1737 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1738 GREP_FIRST(check_dest, output_get_content(output),
1739 !strcasecmp(child->name, new_name));
1741 if (check_dest != NULL) {
1742 // TODO: we should include the new workspace name here and use yajl for
1743 // generating the reply.
1748 // TODO: better error message
1749 ystr("New workspace already exists");
1754 /* Change the name and try to parse it as a number. */
1755 FREE(workspace->name);
1756 workspace->name = sstrdup(new_name);
1757 char *endptr = NULL;
1758 long parsed_num = strtol(new_name, &endptr, 10);
1759 if (parsed_num == LONG_MIN ||
1760 parsed_num == LONG_MAX ||
1763 workspace->num = -1;
1764 else workspace->num = parsed_num;
1765 LOG("num = %d\n", workspace->num);
1767 /* By re-attaching, the sort order will be correct afterwards. */
1768 Con *previously_focused = focused;
1769 Con *parent = workspace->parent;
1770 con_detach(workspace);
1771 con_attach(workspace, parent, false);
1772 /* Restore the previous focus since con_attach messes with the focus. */
1773 con_focus(previously_focused);
1775 cmd_output->needs_tree_render = true;
1778 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"rename\"}");