2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009-2012 Michael Stapelberg and contributors (see also: LICENSE)
7 * commands.c: all command functions (see commands_parser.c)
15 // Macros to make the YAJL API a bit easier to use.
16 #define y(x, ...) yajl_gen_ ## x (cmd_output->json_gen, ##__VA_ARGS__)
17 #define ystr(str) yajl_gen_string(cmd_output->json_gen, (unsigned char*)str, strlen(str))
18 #define ysuccess(success) do { \
25 /** When the command did not include match criteria (!), we use the currently
26 * focused container. Do not confuse this case with a command which included
27 * criteria but which did not match any windows. This macro has to be called in
30 #define HANDLE_EMPTY_MATCH do { \
31 if (match_is_empty(current_match)) { \
32 owindow *ow = smalloc(sizeof(owindow)); \
34 TAILQ_INIT(&owindows); \
35 TAILQ_INSERT_TAIL(&owindows, ow, owindows); \
39 static owindows_head owindows;
42 * Returns true if a is definitely greater than b (using the given epsilon)
45 static bool definitelyGreaterThan(float a, float b, float epsilon) {
46 return (a - b) > ( (fabs(a) < fabs(b) ? fabs(b) : fabs(a)) * epsilon);
50 * Returns an 'output' corresponding to one of left/right/down/up or a specific
54 static Output *get_output_from_string(Output *current_output, const char *output_str) {
57 if (strcasecmp(output_str, "left") == 0) {
58 output = get_output_next(D_LEFT, current_output);
60 output = get_output_most(D_RIGHT, current_output);
61 } else if (strcasecmp(output_str, "right") == 0) {
62 output = get_output_next(D_RIGHT, current_output);
64 output = get_output_most(D_LEFT, current_output);
65 } else if (strcasecmp(output_str, "up") == 0) {
66 output = get_output_next(D_UP, current_output);
68 output = get_output_most(D_DOWN, current_output);
69 } else if (strcasecmp(output_str, "down") == 0) {
70 output = get_output_next(D_DOWN, current_output);
72 output = get_output_most(D_UP, current_output);
73 } else output = get_output_by_name(output_str);
79 * Checks whether we switched to a new workspace and returns false in that case,
80 * signaling that further workspace switching should be done by the calling function
81 * If not, calls workspace_back_and_forth() if workspace_auto_back_and_forth is set
82 * and return true, signaling that no further workspace switching should occur in the calling function.
85 static bool maybe_back_and_forth(struct CommandResult *cmd_output, char *name) {
86 Con *ws = con_get_workspace(focused);
88 /* If we switched to a different workspace, do nothing */
89 if (strcmp(ws->name, name) != 0)
92 DLOG("This workspace is already focused.\n");
93 if (config.workspace_auto_back_and_forth) {
94 workspace_back_and_forth();
95 cmd_output->needs_tree_render = true;
100 // This code is commented out because we might recycle it for popping up error
101 // messages on parser errors.
103 static pid_t migration_pid = -1;
106 * Handler which will be called when we get a SIGCHLD for the nagbar, meaning
107 * it exited (or could not be started, depending on the exit code).
110 static void nagbar_exited(EV_P_ ev_child *watcher, int revents) {
111 ev_child_stop(EV_A_ watcher);
112 if (!WIFEXITED(watcher->rstatus)) {
113 fprintf(stderr, "ERROR: i3-nagbar did not exit normally.\n");
117 int exitcode = WEXITSTATUS(watcher->rstatus);
118 printf("i3-nagbar process exited with status %d\n", exitcode);
120 fprintf(stderr, "ERROR: i3-nagbar could not be found. Is it correctly installed on your system?\n");
126 /* We need ev >= 4 for the following code. Since it is not *that* important (it
127 * only makes sure that there are no i3-nagbar instances left behind) we still
128 * support old systems with libev 3. */
129 #if EV_VERSION_MAJOR >= 4
131 * Cleanup handler. Will be called when i3 exits. Kills i3-nagbar with signal
132 * SIGKILL (9) to make sure there are no left-over i3-nagbar processes.
135 static void nagbar_cleanup(EV_P_ ev_cleanup *watcher, int revent) {
136 if (migration_pid != -1) {
137 LOG("Sending SIGKILL (9) to i3-nagbar with PID %d\n", migration_pid);
138 kill(migration_pid, SIGKILL);
143 void cmd_MIGRATION_start_nagbar(void) {
144 if (migration_pid != -1) {
145 fprintf(stderr, "i3-nagbar already running.\n");
148 fprintf(stderr, "Starting i3-nagbar, command parsing differs from expected output.\n");
149 ELOG("Please report this on IRC or in the bugtracker. Make sure to include the full debug level logfile:\n");
150 ELOG("i3-dump-log | gzip -9c > /tmp/i3.log.gz\n");
151 ELOG("FYI: Your i3 version is " I3_VERSION "\n");
152 migration_pid = fork();
153 if (migration_pid == -1) {
154 warn("Could not fork()");
159 if (migration_pid == 0) {
161 sasprintf(&pageraction, "i3-sensible-terminal -e i3-sensible-pager \"%s\"", errorfilename);
163 NULL, /* will be replaced by the executable path */
167 "You found a parsing error. Please, please, please, report it!",
173 exec_i3_utility("i3-nagbar", argv);
177 /* install a child watcher */
178 ev_child *child = smalloc(sizeof(ev_child));
179 ev_child_init(child, &nagbar_exited, migration_pid, 0);
180 ev_child_start(main_loop, child);
182 /* We need ev >= 4 for the following code. Since it is not *that* important (it
183 * only makes sure that there are no i3-nagbar instances left behind) we still
184 * support old systems with libev 3. */
185 #if EV_VERSION_MAJOR >= 4
186 /* install a cleanup watcher (will be called when i3 exits and i3-nagbar is
188 ev_cleanup *cleanup = smalloc(sizeof(ev_cleanup));
189 ev_cleanup_init(cleanup, nagbar_cleanup);
190 ev_cleanup_start(main_loop, cleanup);
196 /*******************************************************************************
197 * Criteria functions.
198 ******************************************************************************/
201 * Initializes the specified 'Match' data structure and the initial state of
202 * commands.c for matching target windows of a command.
205 void cmd_criteria_init(I3_CMD) {
209 DLOG("Initializing criteria, current_match = %p\n", current_match);
210 match_init(current_match);
211 while (!TAILQ_EMPTY(&owindows)) {
212 ow = TAILQ_FIRST(&owindows);
213 TAILQ_REMOVE(&owindows, ow, owindows);
216 TAILQ_INIT(&owindows);
218 TAILQ_FOREACH(con, &all_cons, all_cons) {
219 ow = smalloc(sizeof(owindow));
221 TAILQ_INSERT_TAIL(&owindows, ow, owindows);
226 * A match specification just finished (the closing square bracket was found),
227 * so we filter the list of owindows.
230 void cmd_criteria_match_windows(I3_CMD) {
231 owindow *next, *current;
233 DLOG("match specification finished, matching...\n");
234 /* copy the old list head to iterate through it and start with a fresh
235 * list which will contain only matching windows */
236 struct owindows_head old = owindows;
237 TAILQ_INIT(&owindows);
238 for (next = TAILQ_FIRST(&old); next != TAILQ_END(&old);) {
239 /* make a copy of the next pointer and advance the pointer to the
240 * next element as we are going to invalidate the element’s
241 * next/prev pointers by calling TAILQ_INSERT_TAIL later */
243 next = TAILQ_NEXT(next, owindows);
245 DLOG("checking if con %p / %s matches\n", current->con, current->con->name);
246 if (current_match->con_id != NULL) {
247 if (current_match->con_id == current->con) {
248 DLOG("matches container!\n");
249 TAILQ_INSERT_TAIL(&owindows, current, owindows);
251 } else if (current_match->mark != NULL && current->con->mark != NULL &&
252 regex_matches(current_match->mark, current->con->mark)) {
253 DLOG("match by mark\n");
254 TAILQ_INSERT_TAIL(&owindows, current, owindows);
256 if (current->con->window == NULL)
258 if (match_matches_window(current_match, current->con->window)) {
259 DLOG("matches window!\n");
260 TAILQ_INSERT_TAIL(&owindows, current, owindows);
262 DLOG("doesnt match\n");
268 TAILQ_FOREACH(current, &owindows, owindows) {
269 DLOG("matching: %p / %s\n", current->con, current->con->name);
274 * Interprets a ctype=cvalue pair and adds it to the current match
278 void cmd_criteria_add(I3_CMD, char *ctype, char *cvalue) {
279 DLOG("ctype=*%s*, cvalue=*%s*\n", ctype, cvalue);
281 if (strcmp(ctype, "class") == 0) {
282 current_match->class = regex_new(cvalue);
286 if (strcmp(ctype, "instance") == 0) {
287 current_match->instance = regex_new(cvalue);
291 if (strcmp(ctype, "window_role") == 0) {
292 current_match->role = regex_new(cvalue);
296 if (strcmp(ctype, "con_id") == 0) {
298 long parsed = strtol(cvalue, &end, 10);
299 if (parsed == LONG_MIN ||
300 parsed == LONG_MAX ||
302 (end && *end != '\0')) {
303 ELOG("Could not parse con id \"%s\"\n", cvalue);
305 current_match->con_id = (Con*)parsed;
306 printf("id as int = %p\n", current_match->con_id);
311 if (strcmp(ctype, "id") == 0) {
313 long parsed = strtol(cvalue, &end, 10);
314 if (parsed == LONG_MIN ||
315 parsed == LONG_MAX ||
317 (end && *end != '\0')) {
318 ELOG("Could not parse window id \"%s\"\n", cvalue);
320 current_match->id = parsed;
321 printf("window id as int = %d\n", current_match->id);
326 if (strcmp(ctype, "con_mark") == 0) {
327 current_match->mark = regex_new(cvalue);
331 if (strcmp(ctype, "title") == 0) {
332 current_match->title = regex_new(cvalue);
336 if (strcmp(ctype, "urgent") == 0) {
337 if (strcasecmp(cvalue, "latest") == 0 ||
338 strcasecmp(cvalue, "newest") == 0 ||
339 strcasecmp(cvalue, "recent") == 0 ||
340 strcasecmp(cvalue, "last") == 0) {
341 current_match->urgent = U_LATEST;
342 } else if (strcasecmp(cvalue, "oldest") == 0 ||
343 strcasecmp(cvalue, "first") == 0) {
344 current_match->urgent = U_OLDEST;
349 ELOG("Unknown criterion: %s\n", ctype);
353 * Implementation of 'move [window|container] [to] workspace
354 * next|prev|next_on_output|prev_on_output|current'.
357 void cmd_move_con_to_workspace(I3_CMD, char *which) {
360 DLOG("which=%s\n", which);
362 /* We have nothing to move:
363 * when criteria was specified but didn't match any window or
364 * when criteria wasn't specified and we don't have any window focused. */
365 if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
366 (match_is_empty(current_match) && focused->type == CT_WORKSPACE)) {
373 /* get the workspace */
375 if (strcmp(which, "next") == 0)
376 ws = workspace_next();
377 else if (strcmp(which, "prev") == 0)
378 ws = workspace_prev();
379 else if (strcmp(which, "next_on_output") == 0)
380 ws = workspace_next_on_output();
381 else if (strcmp(which, "prev_on_output") == 0)
382 ws = workspace_prev_on_output();
383 else if (strcmp(which, "current") == 0)
384 ws = con_get_workspace(focused);
386 ELOG("BUG: called with which=%s\n", which);
391 TAILQ_FOREACH(current, &owindows, owindows) {
392 DLOG("matching: %p / %s\n", current->con, current->con->name);
393 con_move_to_workspace(current->con, ws, true, false);
396 cmd_output->needs_tree_render = true;
397 // XXX: default reply for now, make this a better reply
402 * Implementation of 'move [window|container] [to] workspace <name>'.
405 void cmd_move_con_to_workspace_name(I3_CMD, char *name) {
406 if (strncasecmp(name, "__i3_", strlen("__i3_")) == 0) {
407 LOG("You cannot switch to the i3 internal workspaces.\n");
414 /* We have nothing to move:
415 * when criteria was specified but didn't match any window or
416 * when criteria wasn't specified and we don't have any window focused. */
417 if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
418 (match_is_empty(current_match) && focused->type == CT_WORKSPACE)) {
423 LOG("should move window to workspace %s\n", name);
424 /* get the workspace */
425 Con *ws = workspace_get(name, NULL);
429 TAILQ_FOREACH(current, &owindows, owindows) {
430 DLOG("matching: %p / %s\n", current->con, current->con->name);
431 con_move_to_workspace(current->con, ws, true, false);
434 cmd_output->needs_tree_render = true;
435 // XXX: default reply for now, make this a better reply
440 * Implementation of 'move [window|container] [to] workspace number <number>'.
443 void cmd_move_con_to_workspace_number(I3_CMD, char *which) {
446 /* We have nothing to move:
447 * when criteria was specified but didn't match any window or
448 * when criteria wasn't specified and we don't have any window focused. */
449 if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
450 (match_is_empty(current_match) && focused->type == CT_WORKSPACE)) {
455 LOG("should move window to workspace with number %d\n", which);
456 /* get the workspace */
457 Con *output, *workspace = NULL;
460 long parsed_num = strtol(which, &endptr, 10);
461 if (parsed_num == LONG_MIN ||
462 parsed_num == LONG_MAX ||
465 LOG("Could not parse \"%s\" as a number.\n", which);
470 // TODO: better error message
471 ystr("Could not parse number");
476 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
477 GREP_FIRST(workspace, output_get_content(output),
478 child->num == parsed_num);
485 // TODO: better error message
486 ystr("No such workspace");
493 TAILQ_FOREACH(current, &owindows, owindows) {
494 DLOG("matching: %p / %s\n", current->con, current->con->name);
495 con_move_to_workspace(current->con, workspace, true, false);
498 cmd_output->needs_tree_render = true;
499 // XXX: default reply for now, make this a better reply
503 static void cmd_resize_floating(I3_CMD, char *way, char *direction, Con *floating_con, int px) {
504 LOG("floating resize\n");
505 if (strcmp(direction, "up") == 0) {
506 floating_con->rect.y -= px;
507 floating_con->rect.height += px;
508 } else if (strcmp(direction, "down") == 0) {
509 floating_con->rect.height += px;
510 } else if (strcmp(direction, "left") == 0) {
511 floating_con->rect.x -= px;
512 floating_con->rect.width += px;
514 floating_con->rect.width += px;
518 static bool cmd_resize_tiling_direction(I3_CMD, char *way, char *direction, int ppt) {
519 LOG("tiling resize\n");
520 /* get the appropriate current container (skip stacked/tabbed cons) */
521 Con *current = focused;
523 double percentage = 0;
524 while (current->parent->layout == L_STACKED ||
525 current->parent->layout == L_TABBED)
526 current = current->parent;
528 /* Then further go up until we find one with the matching orientation. */
529 orientation_t search_orientation =
530 (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0 ? HORIZ : VERT);
533 if (con_orientation(current->parent) != search_orientation) {
534 current = current->parent;
538 /* get the default percentage */
539 int children = con_num_children(current->parent);
540 LOG("ins. %d children\n", children);
541 percentage = 1.0 / children;
542 LOG("default percentage = %f\n", percentage);
544 orientation_t orientation = con_orientation(current->parent);
546 if ((orientation == HORIZ &&
547 (strcmp(direction, "up") == 0 || strcmp(direction, "down") == 0)) ||
548 (orientation == VERT &&
549 (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0))) {
550 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
551 (orientation == HORIZ ? "horizontal" : "vertical"));
556 if (strcmp(direction, "up") == 0 || strcmp(direction, "left") == 0) {
557 other = TAILQ_PREV(current, nodes_head, nodes);
559 other = TAILQ_NEXT(current, nodes);
561 if (other == TAILQ_END(workspaces)) {
562 LOG("No other container in this direction found, trying to look further up in the tree...\n");
563 current = current->parent;
567 } while (current->type != CT_WORKSPACE &&
568 current->type != CT_FLOATING_CON);
571 LOG("No other container in this direction found, trying to look further up in the tree...\n");
576 LOG("other->percent = %f\n", other->percent);
577 LOG("current->percent before = %f\n", current->percent);
578 if (current->percent == 0.0)
579 current->percent = percentage;
580 if (other->percent == 0.0)
581 other->percent = percentage;
582 double new_current_percent = current->percent + ((double)ppt / 100.0);
583 double new_other_percent = other->percent - ((double)ppt / 100.0);
584 LOG("new_current_percent = %f\n", new_current_percent);
585 LOG("new_other_percent = %f\n", new_other_percent);
586 /* Ensure that the new percentages are positive and greater than
587 * 0.05 to have a reasonable minimum size. */
588 if (definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON) &&
589 definitelyGreaterThan(new_other_percent, 0.05, DBL_EPSILON)) {
590 current->percent += ((double)ppt / 100.0);
591 other->percent -= ((double)ppt / 100.0);
592 LOG("current->percent after = %f\n", current->percent);
593 LOG("other->percent after = %f\n", other->percent);
595 LOG("Not resizing, already at minimum size\n");
601 static bool cmd_resize_tiling_width_height(I3_CMD, char *way, char *direction, int ppt) {
602 LOG("width/height resize\n");
603 /* get the appropriate current container (skip stacked/tabbed cons) */
604 Con *current = focused;
605 while (current->parent->layout == L_STACKED ||
606 current->parent->layout == L_TABBED)
607 current = current->parent;
609 /* Then further go up until we find one with the matching orientation. */
610 orientation_t search_orientation =
611 (strcmp(direction, "width") == 0 ? HORIZ : VERT);
613 while (current->type != CT_WORKSPACE &&
614 current->type != CT_FLOATING_CON &&
615 con_orientation(current->parent) != search_orientation)
616 current = current->parent;
618 /* get the default percentage */
619 int children = con_num_children(current->parent);
620 LOG("ins. %d children\n", children);
621 double percentage = 1.0 / children;
622 LOG("default percentage = %f\n", percentage);
624 orientation_t orientation = con_orientation(current->parent);
626 if ((orientation == HORIZ &&
627 strcmp(direction, "height") == 0) ||
628 (orientation == VERT &&
629 strcmp(direction, "width") == 0)) {
630 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
631 (orientation == HORIZ ? "horizontal" : "vertical"));
637 LOG("This is the only container, cannot resize.\n");
642 /* Ensure all the other children have a percentage set. */
644 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
645 LOG("child->percent = %f (child %p)\n", child->percent, child);
646 if (child->percent == 0.0)
647 child->percent = percentage;
650 double new_current_percent = current->percent + ((double)ppt / 100.0);
651 double subtract_percent = ((double)ppt / 100.0) / (children - 1);
652 LOG("new_current_percent = %f\n", new_current_percent);
653 LOG("subtract_percent = %f\n", subtract_percent);
654 /* Ensure that the new percentages are positive and greater than
655 * 0.05 to have a reasonable minimum size. */
656 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
657 if (child == current)
659 if (!definitelyGreaterThan(child->percent - subtract_percent, 0.05, DBL_EPSILON)) {
660 LOG("Not resizing, already at minimum size (child %p would end up with a size of %.f\n", child, child->percent - subtract_percent);
665 if (!definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON)) {
666 LOG("Not resizing, already at minimum size\n");
671 current->percent += ((double)ppt / 100.0);
672 LOG("current->percent after = %f\n", current->percent);
674 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
675 if (child == current)
677 child->percent -= subtract_percent;
678 LOG("child->percent after (%p) = %f\n", child, child->percent);
685 * Implementation of 'resize grow|shrink <direction> [<px> px] [or <ppt> ppt]'.
688 void cmd_resize(I3_CMD, char *way, char *direction, char *resize_px, char *resize_ppt) {
689 /* resize <grow|shrink> <direction> [<px> px] [or <ppt> ppt] */
690 DLOG("resizing in way %s, direction %s, px %s or ppt %s\n", way, direction, resize_px, resize_ppt);
691 // 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
692 int px = atoi(resize_px);
693 int ppt = atoi(resize_ppt);
694 if (strcmp(way, "shrink") == 0) {
700 if ((floating_con = con_inside_floating(focused))) {
701 cmd_resize_floating(current_match, cmd_output, way, direction, floating_con, px);
703 if (strcmp(direction, "width") == 0 ||
704 strcmp(direction, "height") == 0) {
705 if (!cmd_resize_tiling_width_height(current_match, cmd_output, way, direction, ppt))
708 if (!cmd_resize_tiling_direction(current_match, cmd_output, way, direction, ppt))
713 cmd_output->needs_tree_render = true;
714 // XXX: default reply for now, make this a better reply
719 * Implementation of 'border normal|none|1pixel|toggle'.
722 void cmd_border(I3_CMD, char *border_style_str) {
723 DLOG("border style should be changed to %s\n", border_style_str);
728 TAILQ_FOREACH(current, &owindows, owindows) {
729 DLOG("matching: %p / %s\n", current->con, current->con->name);
730 int border_style = current->con->border_style;
731 if (strcmp(border_style_str, "toggle") == 0) {
735 if (strcmp(border_style_str, "normal") == 0)
736 border_style = BS_NORMAL;
737 else if (strcmp(border_style_str, "none") == 0)
738 border_style = BS_NONE;
739 else if (strcmp(border_style_str, "1pixel") == 0)
740 border_style = BS_1PIXEL;
742 ELOG("BUG: called with border_style=%s\n", border_style_str);
747 con_set_border_style(current->con, border_style);
750 cmd_output->needs_tree_render = true;
751 // XXX: default reply for now, make this a better reply
756 * Implementation of 'nop <comment>'.
759 void cmd_nop(I3_CMD, char *comment) {
760 LOG("-------------------------------------------------\n");
761 LOG(" NOP: %s\n", comment);
762 LOG("-------------------------------------------------\n");
766 * Implementation of 'append_layout <path>'.
769 void cmd_append_layout(I3_CMD, char *path) {
770 LOG("Appending layout \"%s\"\n", path);
771 tree_append_json(path);
773 cmd_output->needs_tree_render = true;
774 // XXX: default reply for now, make this a better reply
779 * Implementation of 'workspace next|prev|next_on_output|prev_on_output'.
782 void cmd_workspace(I3_CMD, char *which) {
785 DLOG("which=%s\n", which);
787 if (strcmp(which, "next") == 0)
788 ws = workspace_next();
789 else if (strcmp(which, "prev") == 0)
790 ws = workspace_prev();
791 else if (strcmp(which, "next_on_output") == 0)
792 ws = workspace_next_on_output();
793 else if (strcmp(which, "prev_on_output") == 0)
794 ws = workspace_prev_on_output();
796 ELOG("BUG: called with which=%s\n", which);
803 cmd_output->needs_tree_render = true;
804 // XXX: default reply for now, make this a better reply
809 * Implementation of 'workspace number <number>'
812 void cmd_workspace_number(I3_CMD, char *which) {
813 Con *output, *workspace = NULL;
816 long parsed_num = strtol(which, &endptr, 10);
817 if (parsed_num == LONG_MIN ||
818 parsed_num == LONG_MAX ||
821 LOG("Could not parse \"%s\" as a number.\n", which);
826 // TODO: better error message
827 ystr("Could not parse number");
833 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
834 GREP_FIRST(workspace, output_get_content(output),
835 child->num == parsed_num);
838 LOG("There is no workspace with number %d, creating a new one.\n", parsed_num);
840 /* terminate the which string after the endposition of the number */
842 if (maybe_back_and_forth(cmd_output, which))
844 workspace_show_by_name(which);
845 cmd_output->needs_tree_render = true;
848 if (maybe_back_and_forth(cmd_output, which))
850 workspace_show(workspace);
852 cmd_output->needs_tree_render = true;
853 // XXX: default reply for now, make this a better reply
858 * Implementation of 'workspace back_and_forth'.
861 void cmd_workspace_back_and_forth(I3_CMD) {
862 workspace_back_and_forth();
864 cmd_output->needs_tree_render = true;
865 // XXX: default reply for now, make this a better reply
870 * Implementation of 'workspace <name>'
873 void cmd_workspace_name(I3_CMD, char *name) {
874 if (strncasecmp(name, "__i3_", strlen("__i3_")) == 0) {
875 LOG("You cannot switch to the i3 internal workspaces.\n");
880 DLOG("should switch to workspace %s\n", name);
881 if (maybe_back_and_forth(cmd_output, name))
883 workspace_show_by_name(name);
885 cmd_output->needs_tree_render = true;
886 // XXX: default reply for now, make this a better reply
891 * Implementation of 'mark <mark>'
894 void cmd_mark(I3_CMD, char *mark) {
895 DLOG("Clearing all windows which have that mark first\n");
898 TAILQ_FOREACH(con, &all_cons, all_cons) {
899 if (con->mark && strcmp(con->mark, mark) == 0)
903 DLOG("marking window with str %s\n", mark);
908 TAILQ_FOREACH(current, &owindows, owindows) {
909 DLOG("matching: %p / %s\n", current->con, current->con->name);
910 current->con->mark = sstrdup(mark);
913 cmd_output->needs_tree_render = true;
914 // XXX: default reply for now, make this a better reply
919 * Implementation of 'mode <string>'.
922 void cmd_mode(I3_CMD, char *mode) {
923 DLOG("mode=%s\n", mode);
926 // XXX: default reply for now, make this a better reply
931 * Implementation of 'move [window|container] [to] output <str>'.
934 void cmd_move_con_to_output(I3_CMD, char *name) {
937 DLOG("should move window to output %s\n", name);
942 Output *current_output = NULL;
945 // TODO: fix the handling of criteria
946 TAILQ_FOREACH(current, &owindows, owindows)
947 current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
949 assert(current_output != NULL);
951 // TODO: clean this up with commands.spec as soon as we switched away from the lex/yacc command parser
952 if (strcasecmp(name, "up") == 0)
953 output = get_output_next(D_UP, current_output);
954 else if (strcasecmp(name, "down") == 0)
955 output = get_output_next(D_DOWN, current_output);
956 else if (strcasecmp(name, "left") == 0)
957 output = get_output_next(D_LEFT, current_output);
958 else if (strcasecmp(name, "right") == 0)
959 output = get_output_next(D_RIGHT, current_output);
961 output = get_output_by_name(name);
964 LOG("No such output found.\n");
969 /* get visible workspace on output */
971 GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
977 TAILQ_FOREACH(current, &owindows, owindows) {
978 DLOG("matching: %p / %s\n", current->con, current->con->name);
979 con_move_to_workspace(current->con, ws, true, false);
982 cmd_output->needs_tree_render = true;
983 // XXX: default reply for now, make this a better reply
988 * Implementation of 'floating enable|disable|toggle'
991 void cmd_floating(I3_CMD, char *floating_mode) {
994 DLOG("floating_mode=%s\n", floating_mode);
998 TAILQ_FOREACH(current, &owindows, owindows) {
999 DLOG("matching: %p / %s\n", current->con, current->con->name);
1000 if (strcmp(floating_mode, "toggle") == 0) {
1001 DLOG("should toggle mode\n");
1002 toggle_floating_mode(current->con, false);
1004 DLOG("should switch mode to %s\n", floating_mode);
1005 if (strcmp(floating_mode, "enable") == 0) {
1006 floating_enable(current->con, false);
1008 floating_disable(current->con, false);
1013 cmd_output->needs_tree_render = true;
1014 // XXX: default reply for now, make this a better reply
1019 * Implementation of 'move workspace to [output] <str>'.
1022 void cmd_move_workspace_to_output(I3_CMD, char *name) {
1023 DLOG("should move workspace to output %s\n", name);
1028 TAILQ_FOREACH(current, &owindows, owindows) {
1029 Output *current_output = get_output_containing(current->con->rect.x,
1030 current->con->rect.y);
1031 if (!current_output) {
1032 ELOG("Cannot get current output. This is a bug in i3.\n");
1036 Output *output = get_output_from_string(current_output, name);
1038 ELOG("Could not get output from string \"%s\"\n", name);
1043 Con *content = output_get_content(output->con);
1044 LOG("got output %p with content %p\n", output, content);
1046 Con *ws = con_get_workspace(current->con);
1047 LOG("should move workspace %p / %s\n", ws, ws->name);
1049 if (con_num_children(ws->parent) == 1) {
1050 LOG("Creating a new workspace to replace \"%s\" (last on its output).\n", ws->name);
1052 /* check if we can find a workspace assigned to this output */
1053 bool used_assignment = false;
1054 struct Workspace_Assignment *assignment;
1055 TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
1056 if (strcmp(assignment->output, current_output->name) != 0)
1059 /* check if this workspace is already attached to the tree */
1060 Con *workspace = NULL, *out;
1061 TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
1062 GREP_FIRST(workspace, output_get_content(out),
1063 !strcasecmp(child->name, assignment->name));
1064 if (workspace != NULL)
1067 /* so create the workspace referenced to by this assignment */
1068 LOG("Creating workspace from assignment %s.\n", assignment->name);
1069 workspace_get(assignment->name, NULL);
1070 used_assignment = true;
1074 /* if we couldn't create the workspace using an assignment, create
1075 * it on the output */
1076 if (!used_assignment)
1077 create_workspace_on_output(current_output, ws->parent);
1079 /* notify the IPC listeners */
1080 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
1083 /* detach from the old output and attach to the new output */
1084 bool workspace_was_visible = workspace_is_visible(ws);
1085 Con *old_content = ws->parent;
1087 if (workspace_was_visible) {
1088 /* The workspace which we just detached was visible, so focus
1089 * the next one in the focus-stack. */
1090 Con *focus_ws = TAILQ_FIRST(&(old_content->focus_head));
1091 LOG("workspace was visible, focusing %p / %s now\n", focus_ws, focus_ws->name);
1092 workspace_show(focus_ws);
1094 con_attach(ws, content, false);
1096 /* fix the coordinates of the floating containers */
1098 TAILQ_FOREACH(floating_con, &(ws->floating_head), floating_windows)
1099 floating_fix_coordinates(floating_con, &(old_content->rect), &(content->rect));
1101 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"move\"}");
1102 if (workspace_was_visible) {
1103 /* Focus the moved workspace on the destination output. */
1108 cmd_output->needs_tree_render = true;
1109 // XXX: default reply for now, make this a better reply
1114 * Implementation of 'split v|h|vertical|horizontal'.
1117 void cmd_split(I3_CMD, char *direction) {
1118 /* TODO: use matches */
1119 LOG("splitting in direction %c\n", direction[0]);
1120 tree_split(focused, (direction[0] == 'v' ? VERT : HORIZ));
1122 cmd_output->needs_tree_render = true;
1123 // XXX: default reply for now, make this a better reply
1128 * Implementaiton of 'kill [window|client]'.
1131 void cmd_kill(I3_CMD, char *kill_mode_str) {
1132 if (kill_mode_str == NULL)
1133 kill_mode_str = "window";
1136 DLOG("kill_mode=%s\n", kill_mode_str);
1139 if (strcmp(kill_mode_str, "window") == 0)
1140 kill_mode = KILL_WINDOW;
1141 else if (strcmp(kill_mode_str, "client") == 0)
1142 kill_mode = KILL_CLIENT;
1144 ELOG("BUG: called with kill_mode=%s\n", kill_mode_str);
1149 /* check if the match is empty, not if the result is empty */
1150 if (match_is_empty(current_match))
1151 tree_close_con(kill_mode);
1153 TAILQ_FOREACH(current, &owindows, owindows) {
1154 DLOG("matching: %p / %s\n", current->con, current->con->name);
1155 tree_close(current->con, kill_mode, false, false);
1159 cmd_output->needs_tree_render = true;
1160 // XXX: default reply for now, make this a better reply
1165 * Implementation of 'exec [--no-startup-id] <command>'.
1168 void cmd_exec(I3_CMD, char *nosn, char *command) {
1169 bool no_startup_id = (nosn != NULL);
1171 DLOG("should execute %s, no_startup_id = %d\n", command, no_startup_id);
1172 start_application(command, no_startup_id);
1174 // XXX: default reply for now, make this a better reply
1179 * Implementation of 'focus left|right|up|down'.
1182 void cmd_focus_direction(I3_CMD, char *direction) {
1184 focused->type != CT_WORKSPACE &&
1185 focused->fullscreen_mode != CF_NONE) {
1186 LOG("Cannot change focus while in fullscreen mode.\n");
1191 DLOG("direction = *%s*\n", direction);
1193 if (strcmp(direction, "left") == 0)
1194 tree_next('p', HORIZ);
1195 else if (strcmp(direction, "right") == 0)
1196 tree_next('n', HORIZ);
1197 else if (strcmp(direction, "up") == 0)
1198 tree_next('p', VERT);
1199 else if (strcmp(direction, "down") == 0)
1200 tree_next('n', VERT);
1202 ELOG("Invalid focus direction (%s)\n", direction);
1207 cmd_output->needs_tree_render = true;
1208 // XXX: default reply for now, make this a better reply
1213 * Implementation of 'focus tiling|floating|mode_toggle'.
1216 void cmd_focus_window_mode(I3_CMD, char *window_mode) {
1218 focused->type != CT_WORKSPACE &&
1219 focused->fullscreen_mode != CF_NONE) {
1220 LOG("Cannot change focus while in fullscreen mode.\n");
1225 DLOG("window_mode = %s\n", window_mode);
1227 Con *ws = con_get_workspace(focused);
1230 if (strcmp(window_mode, "mode_toggle") == 0) {
1231 current = TAILQ_FIRST(&(ws->focus_head));
1232 if (current != NULL && current->type == CT_FLOATING_CON)
1233 window_mode = "tiling";
1234 else window_mode = "floating";
1236 TAILQ_FOREACH(current, &(ws->focus_head), focused) {
1237 if ((strcmp(window_mode, "floating") == 0 && current->type != CT_FLOATING_CON) ||
1238 (strcmp(window_mode, "tiling") == 0 && current->type == CT_FLOATING_CON))
1241 con_focus(con_descend_focused(current));
1246 cmd_output->needs_tree_render = true;
1247 // XXX: default reply for now, make this a better reply
1252 * Implementation of 'focus parent|child'.
1255 void cmd_focus_level(I3_CMD, char *level) {
1256 DLOG("level = %s\n", level);
1257 bool success = false;
1259 /* Focusing the parent can only be allowed if the newly
1260 * focused container won't escape the fullscreen container. */
1261 if (strcmp(level, "parent") == 0) {
1262 if (focused && focused->parent) {
1263 if (con_fullscreen_permits_focusing(focused->parent))
1264 success = level_up();
1266 LOG("Currently in fullscreen, not going up\n");
1270 /* Focusing a child should always be allowed. */
1271 else success = level_down();
1273 cmd_output->needs_tree_render = success;
1274 // XXX: default reply for now, make this a better reply
1279 * Implementation of 'focus'.
1282 void cmd_focus(I3_CMD) {
1283 DLOG("current_match = %p\n", current_match);
1285 if (match_is_empty(current_match)) {
1286 ELOG("You have to specify which window/container should be focused.\n");
1287 ELOG("Example: [class=\"urxvt\" title=\"irssi\"] focus\n");
1293 ystr("You have to specify which window/container should be focused");
1301 TAILQ_FOREACH(current, &owindows, owindows) {
1302 Con *ws = con_get_workspace(current->con);
1303 /* If no workspace could be found, this was a dock window.
1304 * Just skip it, you cannot focus dock windows. */
1308 /* Check the fullscreen focus constraints. */
1309 if (!con_fullscreen_permits_focusing(current->con)) {
1310 LOG("Cannot change focus while in fullscreen mode (fullscreen rules).\n");
1315 /* If the container is not on the current workspace,
1316 * workspace_show() will switch to a different workspace and (if
1317 * enabled) trigger a mouse pointer warp to the currently focused
1318 * container (!) on the target workspace.
1320 * Therefore, before calling workspace_show(), we make sure that
1321 * 'current' will be focused on the workspace. However, we cannot
1322 * just con_focus(current) because then the pointer will not be
1323 * warped at all (the code thinks we are already there).
1325 * So we focus 'current' to make it the currently focused window of
1326 * the target workspace, then revert focus. */
1327 Con *currently_focused = focused;
1328 con_focus(current->con);
1329 con_focus(currently_focused);
1331 /* Now switch to the workspace, then focus */
1333 LOG("focusing %p / %s\n", current->con, current->con->name);
1334 con_focus(current->con);
1339 LOG("WARNING: Your criteria for the focus command matches %d containers, "
1340 "while only exactly one container can be focused at a time.\n", count);
1342 cmd_output->needs_tree_render = true;
1343 // XXX: default reply for now, make this a better reply
1348 * Implementation of 'fullscreen [global]'.
1351 void cmd_fullscreen(I3_CMD, char *fullscreen_mode) {
1352 if (fullscreen_mode == NULL)
1353 fullscreen_mode = "output";
1354 DLOG("toggling fullscreen, mode = %s\n", fullscreen_mode);
1359 TAILQ_FOREACH(current, &owindows, owindows) {
1360 printf("matching: %p / %s\n", current->con, current->con->name);
1361 con_toggle_fullscreen(current->con, (strcmp(fullscreen_mode, "global") == 0 ? CF_GLOBAL : CF_OUTPUT));
1364 cmd_output->needs_tree_render = true;
1365 // XXX: default reply for now, make this a better reply
1370 * Implementation of 'move <direction> [<pixels> [px]]'.
1373 void cmd_move_direction(I3_CMD, char *direction, char *move_px) {
1374 // 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
1375 int px = atoi(move_px);
1377 /* TODO: make 'move' work with criteria. */
1378 DLOG("moving in direction %s, px %s\n", direction, move_px);
1379 if (con_is_floating(focused)) {
1380 DLOG("floating move with %d pixels\n", px);
1381 Rect newrect = focused->parent->rect;
1382 if (strcmp(direction, "left") == 0) {
1384 } else if (strcmp(direction, "right") == 0) {
1386 } else if (strcmp(direction, "up") == 0) {
1388 } else if (strcmp(direction, "down") == 0) {
1391 floating_reposition(focused->parent, newrect);
1393 tree_move((strcmp(direction, "right") == 0 ? D_RIGHT :
1394 (strcmp(direction, "left") == 0 ? D_LEFT :
1395 (strcmp(direction, "up") == 0 ? D_UP :
1397 cmd_output->needs_tree_render = true;
1400 // XXX: default reply for now, make this a better reply
1405 * Implementation of 'layout default|stacked|stacking|tabbed|splitv|splith'.
1408 void cmd_layout(I3_CMD, char *layout_str) {
1409 if (strcmp(layout_str, "stacking") == 0)
1410 layout_str = "stacked";
1413 /* default is a special case which will be handled in con_set_layout(). */
1414 if (strcmp(layout_str, "default") == 0)
1416 else if (strcmp(layout_str, "stacked") == 0)
1418 else if (strcmp(layout_str, "tabbed") == 0)
1420 else if (strcmp(layout_str, "splitv") == 0)
1422 else if (strcmp(layout_str, "splith") == 0)
1425 DLOG("changing layout to %s (%d)\n", layout_str, layout);
1427 /* check if the match is empty, not if the result is empty */
1428 if (match_is_empty(current_match))
1429 con_set_layout(focused->parent, layout);
1431 TAILQ_FOREACH(current, &owindows, owindows) {
1432 DLOG("matching: %p / %s\n", current->con, current->con->name);
1433 con_set_layout(current->con, layout);
1437 cmd_output->needs_tree_render = true;
1438 // XXX: default reply for now, make this a better reply
1443 * Implementation of 'layout toggle [all|split]'.
1446 void cmd_layout_toggle(I3_CMD, char *toggle_mode) {
1449 if (toggle_mode == NULL)
1450 toggle_mode = "default";
1452 DLOG("toggling layout (mode = %s)\n", toggle_mode);
1454 /* check if the match is empty, not if the result is empty */
1455 if (match_is_empty(current_match))
1456 con_toggle_layout(focused->parent, toggle_mode);
1458 TAILQ_FOREACH(current, &owindows, owindows) {
1459 DLOG("matching: %p / %s\n", current->con, current->con->name);
1460 con_toggle_layout(current->con, toggle_mode);
1464 cmd_output->needs_tree_render = true;
1465 // XXX: default reply for now, make this a better reply
1470 * Implementaiton of 'exit'.
1473 void cmd_exit(I3_CMD) {
1474 LOG("Exiting due to user command.\n");
1475 xcb_disconnect(conn);
1482 * Implementaiton of 'reload'.
1485 void cmd_reload(I3_CMD) {
1487 kill_configerror_nagbar(false);
1488 kill_commanderror_nagbar(false);
1489 load_configuration(conn, NULL, true);
1491 /* Send an IPC event just in case the ws names have changed */
1492 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"reload\"}");
1494 // XXX: default reply for now, make this a better reply
1499 * Implementaiton of 'restart'.
1502 void cmd_restart(I3_CMD) {
1503 LOG("restarting i3\n");
1506 // XXX: default reply for now, make this a better reply
1511 * Implementaiton of 'open'.
1514 void cmd_open(I3_CMD) {
1515 LOG("opening new container\n");
1516 Con *con = tree_open_con(NULL, NULL);
1517 con->layout = L_SPLITH;
1524 y(integer, (long int)con);
1527 cmd_output->needs_tree_render = true;
1531 * Implementation of 'focus output <output>'.
1534 void cmd_focus_output(I3_CMD, char *name) {
1537 DLOG("name = %s\n", name);
1541 /* get the output */
1542 Output *current_output = NULL;
1545 TAILQ_FOREACH(current, &owindows, owindows)
1546 current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
1547 assert(current_output != NULL);
1549 output = get_output_from_string(current_output, name);
1552 LOG("No such output found.\n");
1557 /* get visible workspace on output */
1559 GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
1567 cmd_output->needs_tree_render = true;
1568 // XXX: default reply for now, make this a better reply
1573 * Implementation of 'move [window|container] [to] [absolute] position <px> [px] <px> [px]
1576 void cmd_move_window_to_position(I3_CMD, char *method, char *cx, char *cy) {
1581 if (!con_is_floating(focused)) {
1582 ELOG("Cannot change position. The window/container is not floating\n");
1587 ystr("Cannot change position. The window/container is not floating.");
1592 if (strcmp(method, "absolute") == 0) {
1593 focused->parent->rect.x = x;
1594 focused->parent->rect.y = y;
1596 DLOG("moving to absolute position %d %d\n", x, y);
1597 floating_maybe_reassign_ws(focused->parent);
1598 cmd_output->needs_tree_render = true;
1601 if (strcmp(method, "position") == 0) {
1602 Rect newrect = focused->parent->rect;
1604 DLOG("moving to position %d %d\n", x, y);
1608 floating_reposition(focused->parent, newrect);
1611 // XXX: default reply for now, make this a better reply
1616 * Implementation of 'move [window|container] [to] [absolute] position center
1619 void cmd_move_window_to_center(I3_CMD, char *method) {
1621 if (!con_is_floating(focused)) {
1622 ELOG("Cannot change position. The window/container is not floating\n");
1627 ystr("Cannot change position. The window/container is not floating.");
1631 if (strcmp(method, "absolute") == 0) {
1632 Rect *rect = &focused->parent->rect;
1634 DLOG("moving to absolute center\n");
1635 rect->x = croot->rect.width/2 - rect->width/2;
1636 rect->y = croot->rect.height/2 - rect->height/2;
1638 floating_maybe_reassign_ws(focused->parent);
1639 cmd_output->needs_tree_render = true;
1642 if (strcmp(method, "position") == 0) {
1643 Rect *wsrect = &con_get_workspace(focused)->rect;
1644 Rect newrect = focused->parent->rect;
1646 DLOG("moving to center\n");
1647 newrect.x = wsrect->width/2 - newrect.width/2;
1648 newrect.y = wsrect->height/2 - newrect.height/2;
1650 floating_reposition(focused->parent, newrect);
1653 // XXX: default reply for now, make this a better reply
1658 * Implementation of 'move scratchpad'.
1661 void cmd_move_scratchpad(I3_CMD) {
1662 DLOG("should move window to scratchpad\n");
1667 TAILQ_FOREACH(current, &owindows, owindows) {
1668 DLOG("matching: %p / %s\n", current->con, current->con->name);
1669 scratchpad_move(current->con);
1672 cmd_output->needs_tree_render = true;
1673 // XXX: default reply for now, make this a better reply
1678 * Implementation of 'scratchpad show'.
1681 void cmd_scratchpad_show(I3_CMD) {
1682 DLOG("should show scratchpad window\n");
1685 if (match_is_empty(current_match)) {
1686 scratchpad_show(NULL);
1688 TAILQ_FOREACH(current, &owindows, owindows) {
1689 DLOG("matching: %p / %s\n", current->con, current->con->name);
1690 scratchpad_show(current->con);
1694 cmd_output->needs_tree_render = true;
1695 // XXX: default reply for now, make this a better reply
1700 * Implementation of 'rename workspace <name> to <name>'
1703 void cmd_rename_workspace(I3_CMD, char *old_name, char *new_name) {
1704 LOG("Renaming workspace \"%s\" to \"%s\"\n", old_name, new_name);
1706 Con *output, *workspace = NULL;
1707 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1708 GREP_FIRST(workspace, output_get_content(output),
1709 !strcasecmp(child->name, old_name));
1712 // TODO: we should include the old workspace name here and use yajl for
1713 // generating the reply.
1718 // TODO: better error message
1719 ystr("Old workspace not found");
1724 Con *check_dest = NULL;
1725 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1726 GREP_FIRST(check_dest, output_get_content(output),
1727 !strcasecmp(child->name, new_name));
1729 if (check_dest != NULL) {
1730 // TODO: we should include the new workspace name here and use yajl for
1731 // generating the reply.
1736 // TODO: better error message
1737 ystr("New workspace already exists");
1742 /* Change the name and try to parse it as a number. */
1743 FREE(workspace->name);
1744 workspace->name = sstrdup(new_name);
1745 char *endptr = NULL;
1746 long parsed_num = strtol(new_name, &endptr, 10);
1747 if (parsed_num == LONG_MIN ||
1748 parsed_num == LONG_MAX ||
1751 workspace->num = -1;
1752 else workspace->num = parsed_num;
1753 LOG("num = %d\n", workspace->num);
1755 /* By re-attaching, the sort order will be correct afterwards. */
1756 Con *previously_focused = focused;
1757 Con *parent = workspace->parent;
1758 con_detach(workspace);
1759 con_attach(workspace, parent, false);
1760 /* Restore the previous focus since con_attach messes with the focus. */
1761 con_focus(previously_focused);
1763 cmd_output->needs_tree_render = true;
1766 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"rename\"}");