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 void 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;
522 while (current->parent->layout == L_STACKED ||
523 current->parent->layout == L_TABBED)
524 current = current->parent;
526 /* Then further go up until we find one with the matching orientation. */
527 orientation_t search_orientation =
528 (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0 ? HORIZ : VERT);
530 while (current->type != CT_WORKSPACE &&
531 current->type != CT_FLOATING_CON &&
532 current->parent->orientation != search_orientation)
533 current = current->parent;
535 /* get the default percentage */
536 int children = con_num_children(current->parent);
538 LOG("ins. %d children\n", children);
539 double percentage = 1.0 / children;
540 LOG("default percentage = %f\n", percentage);
542 orientation_t orientation = current->parent->orientation;
544 if ((orientation == HORIZ &&
545 (strcmp(direction, "up") == 0 || strcmp(direction, "down") == 0)) ||
546 (orientation == VERT &&
547 (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0))) {
548 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
549 (orientation == HORIZ ? "horizontal" : "vertical"));
554 if (strcmp(direction, "up") == 0 || strcmp(direction, "left") == 0) {
555 other = TAILQ_PREV(current, nodes_head, nodes);
557 other = TAILQ_NEXT(current, nodes);
559 if (other == TAILQ_END(workspaces)) {
560 LOG("No other container in this direction found, cannot resize.\n");
564 LOG("other->percent = %f\n", other->percent);
565 LOG("current->percent before = %f\n", current->percent);
566 if (current->percent == 0.0)
567 current->percent = percentage;
568 if (other->percent == 0.0)
569 other->percent = percentage;
570 double new_current_percent = current->percent + ((double)ppt / 100.0);
571 double new_other_percent = other->percent - ((double)ppt / 100.0);
572 LOG("new_current_percent = %f\n", new_current_percent);
573 LOG("new_other_percent = %f\n", new_other_percent);
574 /* Ensure that the new percentages are positive and greater than
575 * 0.05 to have a reasonable minimum size. */
576 if (definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON) &&
577 definitelyGreaterThan(new_other_percent, 0.05, DBL_EPSILON)) {
578 current->percent += ((double)ppt / 100.0);
579 other->percent -= ((double)ppt / 100.0);
580 LOG("current->percent after = %f\n", current->percent);
581 LOG("other->percent after = %f\n", other->percent);
583 LOG("Not resizing, already at minimum size\n");
587 static void cmd_resize_tiling_width_height(I3_CMD, char *way, char *direction, int ppt) {
588 LOG("width/height resize\n");
589 /* get the appropriate current container (skip stacked/tabbed cons) */
590 Con *current = focused;
591 while (current->parent->layout == L_STACKED ||
592 current->parent->layout == L_TABBED)
593 current = current->parent;
595 /* Then further go up until we find one with the matching orientation. */
596 orientation_t search_orientation =
597 (strcmp(direction, "width") == 0 ? HORIZ : VERT);
599 while (current->type != CT_WORKSPACE &&
600 current->type != CT_FLOATING_CON &&
601 current->parent->orientation != search_orientation)
602 current = current->parent;
604 /* get the default percentage */
605 int children = con_num_children(current->parent);
606 LOG("ins. %d children\n", children);
607 double percentage = 1.0 / children;
608 LOG("default percentage = %f\n", percentage);
610 orientation_t orientation = current->parent->orientation;
612 if ((orientation == HORIZ &&
613 strcmp(direction, "height") == 0) ||
614 (orientation == VERT &&
615 strcmp(direction, "width") == 0)) {
616 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
617 (orientation == HORIZ ? "horizontal" : "vertical"));
623 LOG("This is the only container, cannot resize.\n");
628 /* Ensure all the other children have a percentage set. */
630 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
631 LOG("child->percent = %f (child %p)\n", child->percent, child);
632 if (child->percent == 0.0)
633 child->percent = percentage;
636 double new_current_percent = current->percent + ((double)ppt / 100.0);
637 double subtract_percent = ((double)ppt / 100.0) / (children - 1);
638 LOG("new_current_percent = %f\n", new_current_percent);
639 LOG("subtract_percent = %f\n", subtract_percent);
640 /* Ensure that the new percentages are positive and greater than
641 * 0.05 to have a reasonable minimum size. */
642 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
643 if (child == current)
645 if (!definitelyGreaterThan(child->percent - subtract_percent, 0.05, DBL_EPSILON)) {
646 LOG("Not resizing, already at minimum size (child %p would end up with a size of %.f\n", child, child->percent - subtract_percent);
651 if (!definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON)) {
652 LOG("Not resizing, already at minimum size\n");
657 current->percent += ((double)ppt / 100.0);
658 LOG("current->percent after = %f\n", current->percent);
660 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
661 if (child == current)
663 child->percent -= subtract_percent;
664 LOG("child->percent after (%p) = %f\n", child, child->percent);
669 * Implementation of 'resize grow|shrink <direction> [<px> px] [or <ppt> ppt]'.
672 void cmd_resize(I3_CMD, char *way, char *direction, char *resize_px, char *resize_ppt) {
673 /* resize <grow|shrink> <direction> [<px> px] [or <ppt> ppt] */
674 DLOG("resizing in way %s, direction %s, px %s or ppt %s\n", way, direction, resize_px, resize_ppt);
675 // 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
676 int px = atoi(resize_px);
677 int ppt = atoi(resize_ppt);
678 if (strcmp(way, "shrink") == 0) {
684 if ((floating_con = con_inside_floating(focused))) {
685 cmd_resize_floating(current_match, cmd_output, way, direction, floating_con, px);
687 if (strcmp(direction, "width") == 0 ||
688 strcmp(direction, "height") == 0)
689 cmd_resize_tiling_width_height(current_match, cmd_output, way, direction, ppt);
690 else cmd_resize_tiling_direction(current_match, cmd_output, way, direction, ppt);
693 cmd_output->needs_tree_render = true;
694 // XXX: default reply for now, make this a better reply
699 * Implementation of 'border normal|none|1pixel|toggle'.
702 void cmd_border(I3_CMD, char *border_style_str) {
703 DLOG("border style should be changed to %s\n", border_style_str);
708 TAILQ_FOREACH(current, &owindows, owindows) {
709 DLOG("matching: %p / %s\n", current->con, current->con->name);
710 int border_style = current->con->border_style;
711 if (strcmp(border_style_str, "toggle") == 0) {
715 if (strcmp(border_style_str, "normal") == 0)
716 border_style = BS_NORMAL;
717 else if (strcmp(border_style_str, "none") == 0)
718 border_style = BS_NONE;
719 else if (strcmp(border_style_str, "1pixel") == 0)
720 border_style = BS_1PIXEL;
722 ELOG("BUG: called with border_style=%s\n", border_style_str);
727 con_set_border_style(current->con, border_style);
730 cmd_output->needs_tree_render = true;
731 // XXX: default reply for now, make this a better reply
736 * Implementation of 'nop <comment>'.
739 void cmd_nop(I3_CMD, char *comment) {
740 LOG("-------------------------------------------------\n");
741 LOG(" NOP: %s\n", comment);
742 LOG("-------------------------------------------------\n");
746 * Implementation of 'append_layout <path>'.
749 void cmd_append_layout(I3_CMD, char *path) {
750 LOG("Appending layout \"%s\"\n", path);
751 tree_append_json(path);
753 cmd_output->needs_tree_render = true;
754 // XXX: default reply for now, make this a better reply
759 * Implementation of 'workspace next|prev|next_on_output|prev_on_output'.
762 void cmd_workspace(I3_CMD, char *which) {
765 DLOG("which=%s\n", which);
767 if (strcmp(which, "next") == 0)
768 ws = workspace_next();
769 else if (strcmp(which, "prev") == 0)
770 ws = workspace_prev();
771 else if (strcmp(which, "next_on_output") == 0)
772 ws = workspace_next_on_output();
773 else if (strcmp(which, "prev_on_output") == 0)
774 ws = workspace_prev_on_output();
776 ELOG("BUG: called with which=%s\n", which);
783 cmd_output->needs_tree_render = true;
784 // XXX: default reply for now, make this a better reply
789 * Implementation of 'workspace number <number>'
792 void cmd_workspace_number(I3_CMD, char *which) {
793 Con *output, *workspace = NULL;
796 long parsed_num = strtol(which, &endptr, 10);
797 if (parsed_num == LONG_MIN ||
798 parsed_num == LONG_MAX ||
801 LOG("Could not parse \"%s\" as a number.\n", which);
806 // TODO: better error message
807 ystr("Could not parse number");
813 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
814 GREP_FIRST(workspace, output_get_content(output),
815 child->num == parsed_num);
818 LOG("There is no workspace with number %d, creating a new one.\n", parsed_num);
820 /* terminate the which string after the endposition of the number */
822 if (maybe_back_and_forth(cmd_output, which))
824 workspace_show_by_name(which);
825 cmd_output->needs_tree_render = true;
828 if (maybe_back_and_forth(cmd_output, which))
830 workspace_show(workspace);
832 cmd_output->needs_tree_render = true;
833 // XXX: default reply for now, make this a better reply
838 * Implementation of 'workspace back_and_forth'.
841 void cmd_workspace_back_and_forth(I3_CMD) {
842 workspace_back_and_forth();
844 cmd_output->needs_tree_render = true;
845 // XXX: default reply for now, make this a better reply
850 * Implementation of 'workspace <name>'
853 void cmd_workspace_name(I3_CMD, char *name) {
854 if (strncasecmp(name, "__i3_", strlen("__i3_")) == 0) {
855 LOG("You cannot switch to the i3 internal workspaces.\n");
860 DLOG("should switch to workspace %s\n", name);
861 if (maybe_back_and_forth(cmd_output, name))
863 workspace_show_by_name(name);
865 cmd_output->needs_tree_render = true;
866 // XXX: default reply for now, make this a better reply
871 * Implementation of 'mark <mark>'
874 void cmd_mark(I3_CMD, char *mark) {
875 DLOG("Clearing all windows which have that mark first\n");
878 TAILQ_FOREACH(con, &all_cons, all_cons) {
879 if (con->mark && strcmp(con->mark, mark) == 0)
883 DLOG("marking window with str %s\n", mark);
888 TAILQ_FOREACH(current, &owindows, owindows) {
889 DLOG("matching: %p / %s\n", current->con, current->con->name);
890 current->con->mark = sstrdup(mark);
893 cmd_output->needs_tree_render = true;
894 // XXX: default reply for now, make this a better reply
899 * Implementation of 'mode <string>'.
902 void cmd_mode(I3_CMD, char *mode) {
903 DLOG("mode=%s\n", mode);
906 // XXX: default reply for now, make this a better reply
911 * Implementation of 'move [window|container] [to] output <str>'.
914 void cmd_move_con_to_output(I3_CMD, char *name) {
917 DLOG("should move window to output %s\n", name);
922 Output *current_output = NULL;
925 // TODO: fix the handling of criteria
926 TAILQ_FOREACH(current, &owindows, owindows)
927 current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
929 assert(current_output != NULL);
931 // TODO: clean this up with commands.spec as soon as we switched away from the lex/yacc command parser
932 if (strcasecmp(name, "up") == 0)
933 output = get_output_next(D_UP, current_output);
934 else if (strcasecmp(name, "down") == 0)
935 output = get_output_next(D_DOWN, current_output);
936 else if (strcasecmp(name, "left") == 0)
937 output = get_output_next(D_LEFT, current_output);
938 else if (strcasecmp(name, "right") == 0)
939 output = get_output_next(D_RIGHT, current_output);
941 output = get_output_by_name(name);
944 LOG("No such output found.\n");
949 /* get visible workspace on output */
951 GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
957 TAILQ_FOREACH(current, &owindows, owindows) {
958 DLOG("matching: %p / %s\n", current->con, current->con->name);
959 con_move_to_workspace(current->con, ws, true, false);
962 cmd_output->needs_tree_render = true;
963 // XXX: default reply for now, make this a better reply
968 * Implementation of 'floating enable|disable|toggle'
971 void cmd_floating(I3_CMD, char *floating_mode) {
974 DLOG("floating_mode=%s\n", floating_mode);
978 TAILQ_FOREACH(current, &owindows, owindows) {
979 DLOG("matching: %p / %s\n", current->con, current->con->name);
980 if (strcmp(floating_mode, "toggle") == 0) {
981 DLOG("should toggle mode\n");
982 toggle_floating_mode(current->con, false);
984 DLOG("should switch mode to %s\n", floating_mode);
985 if (strcmp(floating_mode, "enable") == 0) {
986 floating_enable(current->con, false);
988 floating_disable(current->con, false);
993 cmd_output->needs_tree_render = true;
994 // XXX: default reply for now, make this a better reply
999 * Implementation of 'move workspace to [output] <str>'.
1002 void cmd_move_workspace_to_output(I3_CMD, char *name) {
1003 DLOG("should move workspace to output %s\n", name);
1008 TAILQ_FOREACH(current, &owindows, owindows) {
1009 Output *current_output = get_output_containing(current->con->rect.x,
1010 current->con->rect.y);
1011 Output *output = get_output_from_string(current_output, name);
1013 LOG("No such output\n");
1018 Con *content = output_get_content(output->con);
1019 LOG("got output %p with content %p\n", output, content);
1021 Con *ws = con_get_workspace(current->con);
1022 LOG("should move workspace %p / %s\n", ws, ws->name);
1024 if (con_num_children(ws->parent) == 1) {
1025 LOG("Creating a new workspace to replace \"%s\" (last on its output).\n", ws->name);
1027 /* check if we can find a workspace assigned to this output */
1028 bool used_assignment = false;
1029 struct Workspace_Assignment *assignment;
1030 TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
1031 if (strcmp(assignment->output, current_output->name) != 0)
1034 /* check if this workspace is already attached to the tree */
1035 Con *workspace = NULL, *out;
1036 TAILQ_FOREACH(out, &(croot->nodes_head), nodes)
1037 GREP_FIRST(workspace, output_get_content(out),
1038 !strcasecmp(child->name, assignment->name));
1039 if (workspace != NULL)
1042 /* so create the workspace referenced to by this assignment */
1043 LOG("Creating workspace from assignment %s.\n", assignment->name);
1044 workspace_get(assignment->name, NULL);
1045 used_assignment = true;
1049 /* if we couldn't create the workspace using an assignment, create
1050 * it on the output */
1051 if (!used_assignment)
1052 create_workspace_on_output(current_output, ws->parent);
1054 /* notify the IPC listeners */
1055 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"init\"}");
1058 /* detach from the old output and attach to the new output */
1059 bool workspace_was_visible = workspace_is_visible(ws);
1060 Con *old_content = ws->parent;
1062 if (workspace_was_visible) {
1063 /* The workspace which we just detached was visible, so focus
1064 * the next one in the focus-stack. */
1065 Con *focus_ws = TAILQ_FIRST(&(old_content->focus_head));
1066 LOG("workspace was visible, focusing %p / %s now\n", focus_ws, focus_ws->name);
1067 workspace_show(focus_ws);
1069 con_attach(ws, content, false);
1071 /* fix the coordinates of the floating containers */
1073 TAILQ_FOREACH(floating_con, &(ws->floating_head), floating_windows)
1074 floating_fix_coordinates(floating_con, &(old_content->rect), &(content->rect));
1076 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"move\"}");
1077 if (workspace_was_visible) {
1078 /* Focus the moved workspace on the destination output. */
1083 cmd_output->needs_tree_render = true;
1084 // XXX: default reply for now, make this a better reply
1089 * Implementation of 'split v|h|vertical|horizontal'.
1092 void cmd_split(I3_CMD, char *direction) {
1093 /* TODO: use matches */
1094 LOG("splitting in direction %c\n", direction[0]);
1095 tree_split(focused, (direction[0] == 'v' ? VERT : HORIZ));
1097 cmd_output->needs_tree_render = true;
1098 // XXX: default reply for now, make this a better reply
1103 * Implementaiton of 'kill [window|client]'.
1106 void cmd_kill(I3_CMD, char *kill_mode_str) {
1107 if (kill_mode_str == NULL)
1108 kill_mode_str = "window";
1111 DLOG("kill_mode=%s\n", kill_mode_str);
1114 if (strcmp(kill_mode_str, "window") == 0)
1115 kill_mode = KILL_WINDOW;
1116 else if (strcmp(kill_mode_str, "client") == 0)
1117 kill_mode = KILL_CLIENT;
1119 ELOG("BUG: called with kill_mode=%s\n", kill_mode_str);
1124 /* check if the match is empty, not if the result is empty */
1125 if (match_is_empty(current_match))
1126 tree_close_con(kill_mode);
1128 TAILQ_FOREACH(current, &owindows, owindows) {
1129 DLOG("matching: %p / %s\n", current->con, current->con->name);
1130 tree_close(current->con, kill_mode, false, false);
1134 cmd_output->needs_tree_render = true;
1135 // XXX: default reply for now, make this a better reply
1140 * Implementation of 'exec [--no-startup-id] <command>'.
1143 void cmd_exec(I3_CMD, char *nosn, char *command) {
1144 bool no_startup_id = (nosn != NULL);
1146 DLOG("should execute %s, no_startup_id = %d\n", command, no_startup_id);
1147 start_application(command, no_startup_id);
1149 // XXX: default reply for now, make this a better reply
1154 * Implementation of 'focus left|right|up|down'.
1157 void cmd_focus_direction(I3_CMD, char *direction) {
1159 focused->type != CT_WORKSPACE &&
1160 focused->fullscreen_mode != CF_NONE) {
1161 LOG("Cannot change focus while in fullscreen mode.\n");
1166 DLOG("direction = *%s*\n", direction);
1168 if (strcmp(direction, "left") == 0)
1169 tree_next('p', HORIZ);
1170 else if (strcmp(direction, "right") == 0)
1171 tree_next('n', HORIZ);
1172 else if (strcmp(direction, "up") == 0)
1173 tree_next('p', VERT);
1174 else if (strcmp(direction, "down") == 0)
1175 tree_next('n', VERT);
1177 ELOG("Invalid focus direction (%s)\n", direction);
1182 cmd_output->needs_tree_render = true;
1183 // XXX: default reply for now, make this a better reply
1188 * Implementation of 'focus tiling|floating|mode_toggle'.
1191 void cmd_focus_window_mode(I3_CMD, char *window_mode) {
1193 focused->type != CT_WORKSPACE &&
1194 focused->fullscreen_mode != CF_NONE) {
1195 LOG("Cannot change focus while in fullscreen mode.\n");
1200 DLOG("window_mode = %s\n", window_mode);
1202 Con *ws = con_get_workspace(focused);
1205 if (strcmp(window_mode, "mode_toggle") == 0) {
1206 current = TAILQ_FIRST(&(ws->focus_head));
1207 if (current != NULL && current->type == CT_FLOATING_CON)
1208 window_mode = "tiling";
1209 else window_mode = "floating";
1211 TAILQ_FOREACH(current, &(ws->focus_head), focused) {
1212 if ((strcmp(window_mode, "floating") == 0 && current->type != CT_FLOATING_CON) ||
1213 (strcmp(window_mode, "tiling") == 0 && current->type == CT_FLOATING_CON))
1216 con_focus(con_descend_focused(current));
1221 cmd_output->needs_tree_render = true;
1222 // XXX: default reply for now, make this a better reply
1227 * Implementation of 'focus parent|child'.
1230 void cmd_focus_level(I3_CMD, char *level) {
1231 DLOG("level = %s\n", level);
1232 bool success = false;
1234 /* Focusing the parent can only be allowed if the newly
1235 * focused container won't escape the fullscreen container. */
1236 if (strcmp(level, "parent") == 0) {
1237 if (focused && focused->parent) {
1238 if (con_fullscreen_permits_focusing(focused->parent))
1239 success = level_up();
1241 LOG("Currently in fullscreen, not going up\n");
1245 /* Focusing a child should always be allowed. */
1246 else success = level_down();
1248 cmd_output->needs_tree_render = success;
1249 // XXX: default reply for now, make this a better reply
1254 * Implementation of 'focus'.
1257 void cmd_focus(I3_CMD) {
1258 DLOG("current_match = %p\n", current_match);
1260 if (match_is_empty(current_match)) {
1261 ELOG("You have to specify which window/container should be focused.\n");
1262 ELOG("Example: [class=\"urxvt\" title=\"irssi\"] focus\n");
1268 ystr("You have to specify which window/container should be focused");
1276 TAILQ_FOREACH(current, &owindows, owindows) {
1277 Con *ws = con_get_workspace(current->con);
1278 /* If no workspace could be found, this was a dock window.
1279 * Just skip it, you cannot focus dock windows. */
1283 /* Check the fullscreen focus constraints. */
1284 if (!con_fullscreen_permits_focusing(current->con)) {
1285 LOG("Cannot change focus while in fullscreen mode (fullscreen rules).\n");
1290 /* If the container is not on the current workspace,
1291 * workspace_show() will switch to a different workspace and (if
1292 * enabled) trigger a mouse pointer warp to the currently focused
1293 * container (!) on the target workspace.
1295 * Therefore, before calling workspace_show(), we make sure that
1296 * 'current' will be focused on the workspace. However, we cannot
1297 * just con_focus(current) because then the pointer will not be
1298 * warped at all (the code thinks we are already there).
1300 * So we focus 'current' to make it the currently focused window of
1301 * the target workspace, then revert focus. */
1302 Con *currently_focused = focused;
1303 con_focus(current->con);
1304 con_focus(currently_focused);
1306 /* Now switch to the workspace, then focus */
1308 LOG("focusing %p / %s\n", current->con, current->con->name);
1309 con_focus(current->con);
1314 LOG("WARNING: Your criteria for the focus command matches %d containers, "
1315 "while only exactly one container can be focused at a time.\n", count);
1317 cmd_output->needs_tree_render = true;
1318 // XXX: default reply for now, make this a better reply
1323 * Implementation of 'fullscreen [global]'.
1326 void cmd_fullscreen(I3_CMD, char *fullscreen_mode) {
1327 if (fullscreen_mode == NULL)
1328 fullscreen_mode = "output";
1329 DLOG("toggling fullscreen, mode = %s\n", fullscreen_mode);
1334 TAILQ_FOREACH(current, &owindows, owindows) {
1335 printf("matching: %p / %s\n", current->con, current->con->name);
1336 con_toggle_fullscreen(current->con, (strcmp(fullscreen_mode, "global") == 0 ? CF_GLOBAL : CF_OUTPUT));
1339 cmd_output->needs_tree_render = true;
1340 // XXX: default reply for now, make this a better reply
1345 * Implementation of 'move <direction> [<pixels> [px]]'.
1348 void cmd_move_direction(I3_CMD, char *direction, char *move_px) {
1349 // 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
1350 int px = atoi(move_px);
1352 /* TODO: make 'move' work with criteria. */
1353 DLOG("moving in direction %s, px %s\n", direction, move_px);
1354 if (con_is_floating(focused)) {
1355 DLOG("floating move with %d pixels\n", px);
1356 Rect newrect = focused->parent->rect;
1357 if (strcmp(direction, "left") == 0) {
1359 } else if (strcmp(direction, "right") == 0) {
1361 } else if (strcmp(direction, "up") == 0) {
1363 } else if (strcmp(direction, "down") == 0) {
1366 floating_reposition(focused->parent, newrect);
1368 tree_move((strcmp(direction, "right") == 0 ? D_RIGHT :
1369 (strcmp(direction, "left") == 0 ? D_LEFT :
1370 (strcmp(direction, "up") == 0 ? D_UP :
1372 cmd_output->needs_tree_render = true;
1375 // XXX: default reply for now, make this a better reply
1380 * Implementation of 'layout default|stacked|stacking|tabbed'.
1383 void cmd_layout(I3_CMD, char *layout_str) {
1384 if (strcmp(layout_str, "stacking") == 0)
1385 layout_str = "stacked";
1386 DLOG("changing layout to %s\n", layout_str);
1388 int layout = (strcmp(layout_str, "default") == 0 ? L_DEFAULT :
1389 (strcmp(layout_str, "stacked") == 0 ? L_STACKED :
1392 /* check if the match is empty, not if the result is empty */
1393 if (match_is_empty(current_match))
1394 con_set_layout(focused->parent, layout);
1396 TAILQ_FOREACH(current, &owindows, owindows) {
1397 DLOG("matching: %p / %s\n", current->con, current->con->name);
1398 con_set_layout(current->con, layout);
1402 cmd_output->needs_tree_render = true;
1403 // XXX: default reply for now, make this a better reply
1408 * Implementaiton of 'exit'.
1411 void cmd_exit(I3_CMD) {
1412 LOG("Exiting due to user command.\n");
1419 * Implementaiton of 'reload'.
1422 void cmd_reload(I3_CMD) {
1424 kill_configerror_nagbar(false);
1425 load_configuration(conn, NULL, true);
1427 /* Send an IPC event just in case the ws names have changed */
1428 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"reload\"}");
1430 // XXX: default reply for now, make this a better reply
1435 * Implementaiton of 'restart'.
1438 void cmd_restart(I3_CMD) {
1439 LOG("restarting i3\n");
1442 // XXX: default reply for now, make this a better reply
1447 * Implementaiton of 'open'.
1450 void cmd_open(I3_CMD) {
1451 LOG("opening new container\n");
1452 Con *con = tree_open_con(NULL, NULL);
1459 y(integer, (long int)con);
1462 cmd_output->needs_tree_render = true;
1466 * Implementation of 'focus output <output>'.
1469 void cmd_focus_output(I3_CMD, char *name) {
1472 DLOG("name = %s\n", name);
1476 /* get the output */
1477 Output *current_output = NULL;
1480 TAILQ_FOREACH(current, &owindows, owindows)
1481 current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
1482 assert(current_output != NULL);
1484 output = get_output_from_string(current_output, name);
1487 LOG("No such output found.\n");
1492 /* get visible workspace on output */
1494 GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
1502 cmd_output->needs_tree_render = true;
1503 // XXX: default reply for now, make this a better reply
1508 * Implementation of 'move [window|container] [to] [absolute] position <px> [px] <px> [px]
1511 void cmd_move_window_to_position(I3_CMD, char *method, char *cx, char *cy) {
1516 if (!con_is_floating(focused)) {
1517 ELOG("Cannot change position. The window/container is not floating\n");
1522 ystr("Cannot change position. The window/container is not floating.");
1527 if (strcmp(method, "absolute") == 0) {
1528 focused->parent->rect.x = x;
1529 focused->parent->rect.y = y;
1531 DLOG("moving to absolute position %d %d\n", x, y);
1532 floating_maybe_reassign_ws(focused->parent);
1533 cmd_output->needs_tree_render = true;
1536 if (strcmp(method, "position") == 0) {
1537 Rect newrect = focused->parent->rect;
1539 DLOG("moving to position %d %d\n", x, y);
1543 floating_reposition(focused->parent, newrect);
1546 // XXX: default reply for now, make this a better reply
1551 * Implementation of 'move [window|container] [to] [absolute] position center
1554 void cmd_move_window_to_center(I3_CMD, char *method) {
1556 if (!con_is_floating(focused)) {
1557 ELOG("Cannot change position. The window/container is not floating\n");
1562 ystr("Cannot change position. The window/container is not floating.");
1566 if (strcmp(method, "absolute") == 0) {
1567 Rect *rect = &focused->parent->rect;
1569 DLOG("moving to absolute center\n");
1570 rect->x = croot->rect.width/2 - rect->width/2;
1571 rect->y = croot->rect.height/2 - rect->height/2;
1573 floating_maybe_reassign_ws(focused->parent);
1574 cmd_output->needs_tree_render = true;
1577 if (strcmp(method, "position") == 0) {
1578 Rect *wsrect = &con_get_workspace(focused)->rect;
1579 Rect newrect = focused->parent->rect;
1581 DLOG("moving to center\n");
1582 newrect.x = wsrect->width/2 - newrect.width/2;
1583 newrect.y = wsrect->height/2 - newrect.height/2;
1585 floating_reposition(focused->parent, newrect);
1588 // XXX: default reply for now, make this a better reply
1593 * Implementation of 'move scratchpad'.
1596 void cmd_move_scratchpad(I3_CMD) {
1597 DLOG("should move window to scratchpad\n");
1602 TAILQ_FOREACH(current, &owindows, owindows) {
1603 DLOG("matching: %p / %s\n", current->con, current->con->name);
1604 scratchpad_move(current->con);
1607 cmd_output->needs_tree_render = true;
1608 // XXX: default reply for now, make this a better reply
1613 * Implementation of 'scratchpad show'.
1616 void cmd_scratchpad_show(I3_CMD) {
1617 DLOG("should show scratchpad window\n");
1620 if (match_is_empty(current_match)) {
1621 scratchpad_show(NULL);
1623 TAILQ_FOREACH(current, &owindows, owindows) {
1624 DLOG("matching: %p / %s\n", current->con, current->con->name);
1625 scratchpad_show(current->con);
1629 cmd_output->needs_tree_render = true;
1630 // XXX: default reply for now, make this a better reply
1635 * Implementation of 'rename workspace <name> to <name>'
1638 void cmd_rename_workspace(I3_CMD, char *old_name, char *new_name) {
1639 LOG("Renaming workspace \"%s\" to \"%s\"\n", old_name, new_name);
1641 Con *output, *workspace = NULL;
1642 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1643 GREP_FIRST(workspace, output_get_content(output),
1644 !strcasecmp(child->name, old_name));
1647 // TODO: we should include the old workspace name here and use yajl for
1648 // generating the reply.
1653 // TODO: better error message
1654 ystr("Old workspace not found");
1659 Con *check_dest = NULL;
1660 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1661 GREP_FIRST(check_dest, output_get_content(output),
1662 !strcasecmp(child->name, new_name));
1664 if (check_dest != NULL) {
1665 // TODO: we should include the new workspace name here and use yajl for
1666 // generating the reply.
1671 // TODO: better error message
1672 ystr("New workspace already exists");
1677 /* Change the name and try to parse it as a number. */
1678 FREE(workspace->name);
1679 workspace->name = sstrdup(new_name);
1680 char *endptr = NULL;
1681 long parsed_num = strtol(new_name, &endptr, 10);
1682 if (parsed_num == LONG_MIN ||
1683 parsed_num == LONG_MAX ||
1686 workspace->num = -1;
1687 else workspace->num = parsed_num;
1688 LOG("num = %d\n", workspace->num);
1690 /* By re-attaching, the sort order will be correct afterwards. */
1691 Con *previously_focused = focused;
1692 Con *parent = workspace->parent;
1693 con_detach(workspace);
1694 con_attach(workspace, parent, false);
1695 /* Restore the previous focus since con_attach messes with the focus. */
1696 con_focus(previously_focused);
1698 cmd_output->needs_tree_render = true;
1701 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"rename\"}");