2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
7 * commands.c: all command functions (see commands_parser.c)
16 #ifdef I3_ASAN_ENABLED
17 #include <sanitizer/lsan_interface.h>
22 // Macros to make the YAJL API a bit easier to use.
23 #define y(x, ...) (cmd_output->json_gen != NULL ? yajl_gen_##x(cmd_output->json_gen, ##__VA_ARGS__) : 0)
24 #define ystr(str) (cmd_output->json_gen != NULL ? yajl_gen_string(cmd_output->json_gen, (unsigned char *)str, strlen(str)) : 0)
25 #define ysuccess(success) \
27 if (cmd_output->json_gen != NULL) { \
34 #define yerror(format, ...) \
36 if (cmd_output->json_gen != NULL) { \
38 sasprintf(&message, format, ##__VA_ARGS__); \
49 /** If an error occurred during parsing of the criteria, we want to exit instead
50 * of relying on fallback behavior. See #2091. */
51 #define HANDLE_INVALID_MATCH \
53 if (current_match->error != NULL) { \
54 yerror("Invalid match: %s", current_match->error); \
59 /** When the command did not include match criteria (!), we use the currently
60 * focused container. Do not confuse this case with a command which included
61 * criteria but which did not match any windows. This macro has to be called in
64 #define HANDLE_EMPTY_MATCH \
66 HANDLE_INVALID_MATCH; \
68 if (match_is_empty(current_match)) { \
69 while (!TAILQ_EMPTY(&owindows)) { \
70 owindow *ow = TAILQ_FIRST(&owindows); \
71 TAILQ_REMOVE(&owindows, ow, owindows); \
74 owindow *ow = smalloc(sizeof(owindow)); \
76 TAILQ_INIT(&owindows); \
77 TAILQ_INSERT_TAIL(&owindows, ow, owindows); \
82 * Returns true if a is definitely greater than b (using the given epsilon)
85 static bool definitelyGreaterThan(float a, float b, float epsilon) {
86 return (a - b) > ((fabs(a) < fabs(b) ? fabs(b) : fabs(a)) * epsilon);
90 * Checks whether we switched to a new workspace and returns false in that case,
91 * signaling that further workspace switching should be done by the calling function
92 * If not, calls workspace_back_and_forth() if workspace_auto_back_and_forth is set
93 * and return true, signaling that no further workspace switching should occur in the calling function.
96 static bool maybe_back_and_forth(struct CommandResultIR *cmd_output, const char *name) {
97 Con *ws = con_get_workspace(focused);
99 /* If we switched to a different workspace, do nothing */
100 if (strcmp(ws->name, name) != 0)
103 DLOG("This workspace is already focused.\n");
104 if (config.workspace_auto_back_and_forth) {
105 workspace_back_and_forth();
106 cmd_output->needs_tree_render = true;
112 * Return the passed workspace unless it is the current one and auto back and
113 * forth is enabled, in which case the back_and_forth workspace is returned.
115 static Con *maybe_auto_back_and_forth_workspace(Con *workspace) {
118 if (!config.workspace_auto_back_and_forth)
121 current = con_get_workspace(focused);
123 if (current == workspace) {
124 baf = workspace_back_and_forth_get();
126 DLOG("Substituting workspace with back_and_forth, as it is focused.\n");
134 /*******************************************************************************
135 * Criteria functions.
136 ******************************************************************************/
139 * Helper data structure for an operation window (window on which the operation
140 * will be performed). Used to build the TAILQ owindows.
143 typedef struct owindow {
150 typedef TAILQ_HEAD(owindows_head, owindow) owindows_head;
152 static owindows_head owindows;
155 * Initializes the specified 'Match' data structure and the initial state of
156 * commands.c for matching target windows of a command.
159 void cmd_criteria_init(I3_CMD) {
163 DLOG("Initializing criteria, current_match = %p\n", current_match);
164 match_free(current_match);
165 match_init(current_match);
166 while (!TAILQ_EMPTY(&owindows)) {
167 ow = TAILQ_FIRST(&owindows);
168 TAILQ_REMOVE(&owindows, ow, owindows);
171 TAILQ_INIT(&owindows);
173 TAILQ_FOREACH(con, &all_cons, all_cons) {
174 ow = smalloc(sizeof(owindow));
176 TAILQ_INSERT_TAIL(&owindows, ow, owindows);
181 * A match specification just finished (the closing square bracket was found),
182 * so we filter the list of owindows.
185 void cmd_criteria_match_windows(I3_CMD) {
186 owindow *next, *current;
188 DLOG("match specification finished, matching...\n");
189 /* copy the old list head to iterate through it and start with a fresh
190 * list which will contain only matching windows */
191 struct owindows_head old = owindows;
192 TAILQ_INIT(&owindows);
193 for (next = TAILQ_FIRST(&old); next != TAILQ_END(&old);) {
194 /* make a copy of the next pointer and advance the pointer to the
195 * next element as we are going to invalidate the element’s
196 * next/prev pointers by calling TAILQ_INSERT_TAIL later */
198 next = TAILQ_NEXT(next, owindows);
200 DLOG("checking if con %p / %s matches\n", current->con, current->con->name);
202 /* We use this flag to prevent matching on window-less containers if
203 * only window-specific criteria were specified. */
204 bool accept_match = false;
206 if (current_match->con_id != NULL) {
209 if (current_match->con_id == current->con) {
210 DLOG("con_id matched.\n");
212 DLOG("con_id does not match.\n");
218 if (current_match->mark != NULL && !TAILQ_EMPTY(&(current->con->marks_head))) {
220 bool matched_by_mark = false;
223 TAILQ_FOREACH(mark, &(current->con->marks_head), marks) {
224 if (!regex_matches(current_match->mark, mark->name))
227 DLOG("match by mark\n");
228 matched_by_mark = true;
232 if (!matched_by_mark) {
233 DLOG("mark does not match.\n");
239 if (current->con->window != NULL) {
240 if (match_matches_window(current_match, current->con->window)) {
241 DLOG("matches window!\n");
244 DLOG("doesn't match\n");
251 TAILQ_INSERT_TAIL(&owindows, current, owindows);
258 TAILQ_FOREACH(current, &owindows, owindows) {
259 DLOG("matching: %p / %s\n", current->con, current->con->name);
264 * Interprets a ctype=cvalue pair and adds it to the current match
268 void cmd_criteria_add(I3_CMD, const char *ctype, const char *cvalue) {
269 match_parse_property(current_match, ctype, cvalue);
272 static void move_matches_to_workspace(Con *ws) {
274 TAILQ_FOREACH(current, &owindows, owindows) {
275 DLOG("matching: %p / %s\n", current->con, current->con->name);
276 con_move_to_workspace(current->con, ws, true, false, false);
281 * Implementation of 'move [window|container] [to] workspace
282 * next|prev|next_on_output|prev_on_output|current'.
285 void cmd_move_con_to_workspace(I3_CMD, const char *which) {
286 DLOG("which=%s\n", which);
288 /* We have nothing to move:
289 * when criteria was specified but didn't match any window or
290 * when criteria wasn't specified and we don't have any window focused. */
291 if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
292 (match_is_empty(current_match) && focused->type == CT_WORKSPACE &&
293 !con_has_children(focused))) {
300 /* get the workspace */
302 if (strcmp(which, "next") == 0)
303 ws = workspace_next();
304 else if (strcmp(which, "prev") == 0)
305 ws = workspace_prev();
306 else if (strcmp(which, "next_on_output") == 0)
307 ws = workspace_next_on_output();
308 else if (strcmp(which, "prev_on_output") == 0)
309 ws = workspace_prev_on_output();
310 else if (strcmp(which, "current") == 0)
311 ws = con_get_workspace(focused);
313 ELOG("BUG: called with which=%s\n", which);
318 move_matches_to_workspace(ws);
320 cmd_output->needs_tree_render = true;
321 // XXX: default reply for now, make this a better reply
326 * Implementation of 'move [window|container] [to] workspace back_and_forth'.
329 void cmd_move_con_to_workspace_back_and_forth(I3_CMD) {
330 Con *ws = workspace_back_and_forth_get();
332 yerror("No workspace was previously active.");
338 move_matches_to_workspace(ws);
340 cmd_output->needs_tree_render = true;
341 // XXX: default reply for now, make this a better reply
346 * Implementation of 'move [--no-auto-back-and-forth] [window|container] [to] workspace <name>'.
349 void cmd_move_con_to_workspace_name(I3_CMD, const char *name, const char *_no_auto_back_and_forth) {
350 if (strncasecmp(name, "__", strlen("__")) == 0) {
351 LOG("You cannot move containers to i3-internal workspaces (\"%s\").\n", name);
356 const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
358 /* We have nothing to move:
359 * when criteria was specified but didn't match any window or
360 * when criteria wasn't specified and we don't have any window focused. */
361 if (!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) {
362 ELOG("No windows match your criteria, cannot move.\n");
365 } else if (match_is_empty(current_match) && focused->type == CT_WORKSPACE &&
366 !con_has_children(focused)) {
371 LOG("should move window to workspace %s\n", name);
372 /* get the workspace */
373 Con *ws = workspace_get(name, NULL);
375 if (!no_auto_back_and_forth)
376 ws = maybe_auto_back_and_forth_workspace(ws);
380 move_matches_to_workspace(ws);
382 cmd_output->needs_tree_render = true;
383 // XXX: default reply for now, make this a better reply
388 * Implementation of 'move [--no-auto-back-and-forth] [window|container] [to] workspace number <name>'.
391 void cmd_move_con_to_workspace_number(I3_CMD, const char *which, const char *_no_auto_back_and_forth) {
392 const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
394 /* We have nothing to move:
395 * when criteria was specified but didn't match any window or
396 * when criteria wasn't specified and we don't have any window focused. */
397 if ((!match_is_empty(current_match) && TAILQ_EMPTY(&owindows)) ||
398 (match_is_empty(current_match) && focused->type == CT_WORKSPACE &&
399 !con_has_children(focused))) {
404 LOG("should move window to workspace %s\n", which);
405 /* get the workspace */
406 Con *output, *workspace = NULL;
408 long parsed_num = ws_name_to_number(which);
410 if (parsed_num == -1) {
411 LOG("Could not parse initial part of \"%s\" as a number.\n", which);
412 yerror("Could not parse number \"%s\"", which);
416 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
417 GREP_FIRST(workspace, output_get_content(output),
418 child->num == parsed_num);
421 workspace = workspace_get(which, NULL);
424 if (!no_auto_back_and_forth)
425 workspace = maybe_auto_back_and_forth_workspace(workspace);
429 move_matches_to_workspace(workspace);
431 cmd_output->needs_tree_render = true;
432 // XXX: default reply for now, make this a better reply
436 static void cmd_resize_floating(I3_CMD, const char *way, const char *direction, Con *floating_con, int px) {
437 LOG("floating resize\n");
438 Rect old_rect = floating_con->rect;
439 Con *focused_con = con_descend_focused(floating_con);
441 /* ensure that resize will take place even if pixel increment is smaller than
442 * height increment or width increment.
444 const i3Window *window = focused_con->window;
445 if (window != NULL) {
446 if (strcmp(direction, "up") == 0 || strcmp(direction, "down") == 0 ||
447 strcmp(direction, "height") == 0) {
449 px = (-px < window->height_increment) ? -window->height_increment : px;
451 px = (px < window->height_increment) ? window->height_increment : px;
452 } else if (strcmp(direction, "left") == 0 || strcmp(direction, "right") == 0) {
454 px = (-px < window->width_increment) ? -window->width_increment : px;
456 px = (px < window->width_increment) ? window->width_increment : px;
460 if (strcmp(direction, "up") == 0) {
461 floating_con->rect.height += px;
462 } else if (strcmp(direction, "down") == 0 || strcmp(direction, "height") == 0) {
463 floating_con->rect.height += px;
464 } else if (strcmp(direction, "left") == 0) {
465 floating_con->rect.width += px;
467 floating_con->rect.width += px;
470 floating_check_size(floating_con);
472 /* Did we actually resize anything or did the size constraints prevent us?
473 * If we could not resize, exit now to not move the window. */
474 if (memcmp(&old_rect, &(floating_con->rect), sizeof(Rect)) == 0)
477 if (strcmp(direction, "up") == 0) {
478 floating_con->rect.y -= (floating_con->rect.height - old_rect.height);
479 } else if (strcmp(direction, "left") == 0) {
480 floating_con->rect.x -= (floating_con->rect.width - old_rect.width);
483 /* If this is a scratchpad window, don't auto center it from now on. */
484 if (floating_con->scratchpad_state == SCRATCHPAD_FRESH)
485 floating_con->scratchpad_state = SCRATCHPAD_CHANGED;
488 static bool cmd_resize_tiling_direction(I3_CMD, Con *current, const char *way, const char *direction, int ppt) {
489 LOG("tiling resize\n");
491 Con *first = current;
492 direction_t search_direction;
493 if (!strcmp(direction, "left"))
494 search_direction = D_LEFT;
495 else if (!strcmp(direction, "right"))
496 search_direction = D_RIGHT;
497 else if (!strcmp(direction, "up"))
498 search_direction = D_UP;
500 search_direction = D_DOWN;
502 bool res = resize_find_tiling_participants(&first, &second, search_direction);
504 LOG("No second container in this direction found.\n");
509 /* get the default percentage */
510 int children = con_num_children(first->parent);
511 LOG("ins. %d children\n", children);
512 double percentage = 1.0 / children;
513 LOG("default percentage = %f\n", percentage);
516 LOG("second->percent = %f\n", second->percent);
517 LOG("first->percent before = %f\n", first->percent);
518 if (first->percent == 0.0)
519 first->percent = percentage;
520 if (second->percent == 0.0)
521 second->percent = percentage;
522 double new_first_percent = first->percent + ((double)ppt / 100.0);
523 double new_second_percent = second->percent - ((double)ppt / 100.0);
524 LOG("new_first_percent = %f\n", new_first_percent);
525 LOG("new_second_percent = %f\n", new_second_percent);
526 /* Ensure that the new percentages are positive and greater than
527 * 0.05 to have a reasonable minimum size. */
528 if (definitelyGreaterThan(new_first_percent, 0.05, DBL_EPSILON) &&
529 definitelyGreaterThan(new_second_percent, 0.05, DBL_EPSILON)) {
530 first->percent += ((double)ppt / 100.0);
531 second->percent -= ((double)ppt / 100.0);
532 LOG("first->percent after = %f\n", first->percent);
533 LOG("second->percent after = %f\n", second->percent);
535 LOG("Not resizing, already at minimum size\n");
541 static bool cmd_resize_tiling_width_height(I3_CMD, Con *current, const char *way, const char *direction, int ppt) {
542 LOG("width/height resize\n");
543 /* get the appropriate current container (skip stacked/tabbed cons) */
544 while (current->parent->layout == L_STACKED ||
545 current->parent->layout == L_TABBED)
546 current = current->parent;
548 /* Then further go up until we find one with the matching orientation. */
549 orientation_t search_orientation =
550 (strcmp(direction, "width") == 0 ? HORIZ : VERT);
552 while (current->type != CT_WORKSPACE &&
553 current->type != CT_FLOATING_CON &&
554 (con_orientation(current->parent) != search_orientation || con_num_children(current->parent) == 1))
555 current = current->parent;
557 /* get the default percentage */
558 int children = con_num_children(current->parent);
559 LOG("ins. %d children\n", children);
560 double percentage = 1.0 / children;
561 LOG("default percentage = %f\n", percentage);
563 orientation_t orientation = con_orientation(current->parent);
565 if ((orientation == HORIZ &&
566 strcmp(direction, "height") == 0) ||
567 (orientation == VERT &&
568 strcmp(direction, "width") == 0)) {
569 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
570 (orientation == HORIZ ? "horizontal" : "vertical"));
576 LOG("This is the only container, cannot resize.\n");
581 /* Ensure all the other children have a percentage set. */
583 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
584 LOG("child->percent = %f (child %p)\n", child->percent, child);
585 if (child->percent == 0.0)
586 child->percent = percentage;
589 double new_current_percent = current->percent + ((double)ppt / 100.0);
590 double subtract_percent = ((double)ppt / 100.0) / (children - 1);
591 LOG("new_current_percent = %f\n", new_current_percent);
592 LOG("subtract_percent = %f\n", subtract_percent);
593 /* Ensure that the new percentages are positive and greater than
594 * 0.05 to have a reasonable minimum size. */
595 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
596 if (child == current)
598 if (!definitelyGreaterThan(child->percent - subtract_percent, 0.05, DBL_EPSILON)) {
599 LOG("Not resizing, already at minimum size (child %p would end up with a size of %.f\n", child, child->percent - subtract_percent);
604 if (!definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON)) {
605 LOG("Not resizing, already at minimum size\n");
610 current->percent += ((double)ppt / 100.0);
611 LOG("current->percent after = %f\n", current->percent);
613 TAILQ_FOREACH(child, &(current->parent->nodes_head), nodes) {
614 if (child == current)
616 child->percent -= subtract_percent;
617 LOG("child->percent after (%p) = %f\n", child, child->percent);
624 * Implementation of 'resize grow|shrink <direction> [<px> px] [or <ppt> ppt]'.
627 void cmd_resize(I3_CMD, const char *way, const char *direction, long resize_px, long resize_ppt) {
628 DLOG("resizing in way %s, direction %s, px %ld or ppt %ld\n", way, direction, resize_px, resize_ppt);
629 if (strcmp(way, "shrink") == 0) {
637 TAILQ_FOREACH(current, &owindows, owindows) {
638 /* Don't handle dock windows (issue #1201) */
639 if (current->con->window && current->con->window->dock) {
640 DLOG("This is a dock window. Not resizing (con = %p)\n)", current->con);
645 if ((floating_con = con_inside_floating(current->con))) {
646 cmd_resize_floating(current_match, cmd_output, way, direction, floating_con, resize_px);
648 if (strcmp(direction, "width") == 0 ||
649 strcmp(direction, "height") == 0) {
650 if (!cmd_resize_tiling_width_height(current_match, cmd_output,
651 current->con, way, direction, resize_ppt))
654 if (!cmd_resize_tiling_direction(current_match, cmd_output,
655 current->con, way, direction, resize_ppt))
661 cmd_output->needs_tree_render = true;
662 // XXX: default reply for now, make this a better reply
667 * Implementation of 'resize set <width> [px | ppt] <height> [px | ppt]'.
670 void cmd_resize_set(I3_CMD, long cwidth, const char *mode_width, long cheight, const char *mode_height) {
671 DLOG("resizing to %ld %s x %ld %s\n", cwidth, mode_width, cheight, mode_height);
672 if (cwidth <= 0 || cheight <= 0) {
673 ELOG("Resize failed: dimensions cannot be negative (was %ld %s x %ld %s)\n", cwidth, mode_width, cheight, mode_height);
680 TAILQ_FOREACH(current, &owindows, owindows) {
682 if ((floating_con = con_inside_floating(current->con))) {
683 Con *output = con_get_output(floating_con);
684 if (mode_width && strcmp(mode_width, "ppt") == 0) {
685 cwidth = output->rect.width * ((double)cwidth / 100.0);
687 if (mode_height && strcmp(mode_height, "ppt") == 0) {
688 cheight = output->rect.height * ((double)cheight / 100.0);
690 floating_resize(floating_con, cwidth, cheight);
692 ELOG("Resize failed: %p not a floating container\n", current->con);
696 cmd_output->needs_tree_render = true;
697 // XXX: default reply for now, make this a better reply
702 * Implementation of 'border normal|pixel [<n>]', 'border none|1pixel|toggle'.
705 void cmd_border(I3_CMD, const char *border_style_str, long border_width) {
706 DLOG("border style should be changed to %s with border width %ld\n", border_style_str, border_width);
711 TAILQ_FOREACH(current, &owindows, owindows) {
712 DLOG("matching: %p / %s\n", current->con, current->con->name);
713 int border_style = current->con->border_style;
714 int con_border_width = border_width;
716 if (strcmp(border_style_str, "toggle") == 0) {
719 if (border_style == BS_NORMAL)
720 con_border_width = 2;
721 else if (border_style == BS_NONE)
722 con_border_width = 0;
723 else if (border_style == BS_PIXEL)
724 con_border_width = 1;
726 if (strcmp(border_style_str, "normal") == 0) {
727 border_style = BS_NORMAL;
728 } else if (strcmp(border_style_str, "pixel") == 0) {
729 border_style = BS_PIXEL;
730 } else if (strcmp(border_style_str, "1pixel") == 0) {
731 border_style = BS_PIXEL;
732 con_border_width = 1;
733 } else if (strcmp(border_style_str, "none") == 0) {
734 border_style = BS_NONE;
736 ELOG("BUG: called with border_style=%s\n", border_style_str);
742 con_set_border_style(current->con, border_style, logical_px(con_border_width));
745 cmd_output->needs_tree_render = true;
746 // XXX: default reply for now, make this a better reply
751 * Implementation of 'nop <comment>'.
754 void cmd_nop(I3_CMD, const char *comment) {
755 LOG("-------------------------------------------------\n");
756 LOG(" NOP: %s\n", comment);
757 LOG("-------------------------------------------------\n");
761 * Implementation of 'append_layout <path>'.
764 void cmd_append_layout(I3_CMD, const char *cpath) {
765 char *path = sstrdup(cpath);
766 LOG("Appending layout \"%s\"\n", path);
768 /* Make sure we allow paths like '~/.i3/layout.json' */
769 path = resolve_tilde(path);
773 if ((len = slurp(path, &buf)) < 0) {
774 /* slurp already logged an error. */
778 if (!json_validate(buf, len)) {
779 ELOG("Could not parse \"%s\" as JSON, not loading.\n", path);
780 yerror("Could not parse \"%s\" as JSON.", path);
784 json_content_t content = json_determine_content(buf, len);
785 LOG("JSON content = %d\n", content);
786 if (content == JSON_CONTENT_UNKNOWN) {
787 ELOG("Could not determine the contents of \"%s\", not loading.\n", path);
788 yerror("Could not determine the contents of \"%s\".", path);
792 Con *parent = focused;
793 if (content == JSON_CONTENT_WORKSPACE) {
794 parent = output_get_content(con_get_output(parent));
796 /* We need to append the layout to a split container, since a leaf
797 * container must not have any children (by definition).
798 * Note that we explicitly check for workspaces, since they are okay for
799 * this purpose, but con_accepts_window() returns false for workspaces. */
800 while (parent->type != CT_WORKSPACE && !con_accepts_window(parent))
801 parent = parent->parent;
803 DLOG("Appending to parent=%p instead of focused=%p\n", parent, focused);
804 char *errormsg = NULL;
805 tree_append_json(parent, buf, len, &errormsg);
806 if (errormsg != NULL) {
809 /* Note that we continue executing since tree_append_json() has
810 * side-effects — user-provided layouts can be partly valid, partly
811 * invalid, leading to half of the placeholder containers being
817 // XXX: This is a bit of a kludge. Theoretically, render_con(parent,
818 // false); should be enough, but when sending 'workspace 4; append_layout
819 // /tmp/foo.json', the needs_tree_render == true of the workspace command
820 // is not executed yet and will be batched with append_layout’s
821 // needs_tree_render after the parser finished. We should check if that is
823 render_con(croot, false);
825 restore_open_placeholder_windows(parent);
827 if (content == JSON_CONTENT_WORKSPACE)
828 ipc_send_workspace_event("restored", parent, NULL);
830 cmd_output->needs_tree_render = true;
837 * Implementation of 'workspace next|prev|next_on_output|prev_on_output'.
840 void cmd_workspace(I3_CMD, const char *which) {
843 DLOG("which=%s\n", which);
845 if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
846 LOG("Cannot switch workspace while in global fullscreen\n");
851 if (strcmp(which, "next") == 0)
852 ws = workspace_next();
853 else if (strcmp(which, "prev") == 0)
854 ws = workspace_prev();
855 else if (strcmp(which, "next_on_output") == 0)
856 ws = workspace_next_on_output();
857 else if (strcmp(which, "prev_on_output") == 0)
858 ws = workspace_prev_on_output();
860 ELOG("BUG: called with which=%s\n", which);
867 cmd_output->needs_tree_render = true;
868 // XXX: default reply for now, make this a better reply
873 * Implementation of 'workspace [--no-auto-back-and-forth] number <name>'
876 void cmd_workspace_number(I3_CMD, const char *which, const char *_no_auto_back_and_forth) {
877 const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
878 Con *output, *workspace = NULL;
880 if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
881 LOG("Cannot switch workspace while in global fullscreen\n");
886 long parsed_num = ws_name_to_number(which);
888 if (parsed_num == -1) {
889 LOG("Could not parse initial part of \"%s\" as a number.\n", which);
890 yerror("Could not parse number \"%s\"", which);
894 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
895 GREP_FIRST(workspace, output_get_content(output),
896 child->num == parsed_num);
899 LOG("There is no workspace with number %ld, creating a new one.\n", parsed_num);
901 workspace_show_by_name(which);
902 cmd_output->needs_tree_render = true;
905 if (!no_auto_back_and_forth && maybe_back_and_forth(cmd_output, workspace->name)) {
909 workspace_show(workspace);
911 cmd_output->needs_tree_render = true;
912 // XXX: default reply for now, make this a better reply
917 * Implementation of 'workspace back_and_forth'.
920 void cmd_workspace_back_and_forth(I3_CMD) {
921 if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
922 LOG("Cannot switch workspace while in global fullscreen\n");
927 workspace_back_and_forth();
929 cmd_output->needs_tree_render = true;
930 // XXX: default reply for now, make this a better reply
935 * Implementation of 'workspace [--no-auto-back-and-forth] <name>'
938 void cmd_workspace_name(I3_CMD, const char *name, const char *_no_auto_back_and_forth) {
939 const bool no_auto_back_and_forth = (_no_auto_back_and_forth != NULL);
941 if (strncasecmp(name, "__", strlen("__")) == 0) {
942 LOG("You cannot switch to the i3-internal workspaces (\"%s\").\n", name);
947 if (con_get_fullscreen_con(croot, CF_GLOBAL)) {
948 LOG("Cannot switch workspace while in global fullscreen\n");
953 DLOG("should switch to workspace %s\n", name);
954 if (!no_auto_back_and_forth && maybe_back_and_forth(cmd_output, name)) {
958 workspace_show_by_name(name);
960 cmd_output->needs_tree_render = true;
961 // XXX: default reply for now, make this a better reply
966 * Implementation of 'mark [--add|--replace] [--toggle] <mark>'
969 void cmd_mark(I3_CMD, const char *mark, const char *mode, const char *toggle) {
972 owindow *current = TAILQ_FIRST(&owindows);
973 if (current == NULL) {
978 /* Marks must be unique, i.e., no two windows must have the same mark. */
979 if (current != TAILQ_LAST(&owindows, owindows_head)) {
980 yerror("A mark must not be put onto more than one window");
984 DLOG("matching: %p / %s\n", current->con, current->con->name);
986 mark_mode_t mark_mode = (mode == NULL || strcmp(mode, "--replace") == 0) ? MM_REPLACE : MM_ADD;
987 if (toggle != NULL) {
988 con_mark_toggle(current->con, mark, mark_mode);
990 con_mark(current->con, mark, mark_mode);
993 cmd_output->needs_tree_render = true;
994 // XXX: default reply for now, make this a better reply
999 * Implementation of 'unmark [mark]'
1002 void cmd_unmark(I3_CMD, const char *mark) {
1003 if (match_is_empty(current_match)) {
1004 con_unmark(NULL, mark);
1007 TAILQ_FOREACH(current, &owindows, owindows) {
1008 con_unmark(current->con, mark);
1012 cmd_output->needs_tree_render = true;
1013 // XXX: default reply for now, make this a better reply
1018 * Implementation of 'mode <string>'.
1021 void cmd_mode(I3_CMD, const char *mode) {
1022 DLOG("mode=%s\n", mode);
1025 // XXX: default reply for now, make this a better reply
1030 * Implementation of 'move [window|container] [to] output <str>'.
1033 void cmd_move_con_to_output(I3_CMD, const char *name) {
1034 DLOG("Should move window to output \"%s\".\n", name);
1038 bool had_error = false;
1039 TAILQ_FOREACH(current, &owindows, owindows) {
1040 DLOG("matching: %p / %s\n", current->con, current->con->name);
1042 had_error |= !con_move_to_output_name(current->con, name, true);
1045 cmd_output->needs_tree_render = true;
1046 ysuccess(!had_error);
1050 * Implementation of 'move [container|window] [to] mark <str>'.
1053 void cmd_move_con_to_mark(I3_CMD, const char *mark) {
1054 DLOG("moving window to mark \"%s\"\n", mark);
1060 TAILQ_FOREACH(current, &owindows, owindows) {
1061 DLOG("moving matched window %p / %s to mark \"%s\"\n", current->con, current->con->name, mark);
1062 result &= con_move_to_mark(current->con, mark);
1065 cmd_output->needs_tree_render = true;
1070 * Implementation of 'floating enable|disable|toggle'
1073 void cmd_floating(I3_CMD, const char *floating_mode) {
1076 DLOG("floating_mode=%s\n", floating_mode);
1080 TAILQ_FOREACH(current, &owindows, owindows) {
1081 DLOG("matching: %p / %s\n", current->con, current->con->name);
1082 if (strcmp(floating_mode, "toggle") == 0) {
1083 DLOG("should toggle mode\n");
1084 toggle_floating_mode(current->con, false);
1086 DLOG("should switch mode to %s\n", floating_mode);
1087 if (strcmp(floating_mode, "enable") == 0) {
1088 floating_enable(current->con, false);
1090 floating_disable(current->con, false);
1095 cmd_output->needs_tree_render = true;
1096 // XXX: default reply for now, make this a better reply
1101 * Implementation of 'move workspace to [output] <str>'.
1104 void cmd_move_workspace_to_output(I3_CMD, const char *name) {
1105 DLOG("should move workspace to output %s\n", name);
1110 TAILQ_FOREACH(current, &owindows, owindows) {
1111 Con *ws = con_get_workspace(current->con);
1112 if (con_is_internal(ws)) {
1116 bool success = workspace_move_to_output(ws, name);
1118 ELOG("Failed to move workspace to output.\n");
1124 cmd_output->needs_tree_render = true;
1125 // XXX: default reply for now, make this a better reply
1130 * Implementation of 'split v|h|t|vertical|horizontal|toggle'.
1133 void cmd_split(I3_CMD, const char *direction) {
1137 LOG("splitting in direction %c\n", direction[0]);
1138 TAILQ_FOREACH(current, &owindows, owindows) {
1139 if (con_is_docked(current->con)) {
1140 ELOG("Cannot split a docked container, skipping.\n");
1144 DLOG("matching: %p / %s\n", current->con, current->con->name);
1145 if (direction[0] == 't') {
1146 layout_t current_layout;
1147 if (current->con->type == CT_WORKSPACE) {
1148 current_layout = current->con->layout;
1150 current_layout = current->con->parent->layout;
1152 /* toggling split orientation */
1153 if (current_layout == L_SPLITH) {
1154 tree_split(current->con, VERT);
1156 tree_split(current->con, HORIZ);
1159 tree_split(current->con, (direction[0] == 'v' ? VERT : HORIZ));
1163 cmd_output->needs_tree_render = true;
1164 // XXX: default reply for now, make this a better reply
1169 * Implementation of 'kill [window|client]'.
1172 void cmd_kill(I3_CMD, const char *kill_mode_str) {
1173 if (kill_mode_str == NULL)
1174 kill_mode_str = "window";
1176 DLOG("kill_mode=%s\n", kill_mode_str);
1179 if (strcmp(kill_mode_str, "window") == 0)
1180 kill_mode = KILL_WINDOW;
1181 else if (strcmp(kill_mode_str, "client") == 0)
1182 kill_mode = KILL_CLIENT;
1184 ELOG("BUG: called with kill_mode=%s\n", kill_mode_str);
1192 TAILQ_FOREACH(current, &owindows, owindows) {
1193 con_close(current->con, kill_mode);
1196 cmd_output->needs_tree_render = true;
1197 // XXX: default reply for now, make this a better reply
1202 * Implementation of 'exec [--no-startup-id] <command>'.
1205 void cmd_exec(I3_CMD, const char *nosn, const char *command) {
1206 bool no_startup_id = (nosn != NULL);
1208 DLOG("should execute %s, no_startup_id = %d\n", command, no_startup_id);
1209 start_application(command, no_startup_id);
1211 // XXX: default reply for now, make this a better reply
1216 * Implementation of 'focus left|right|up|down'.
1219 void cmd_focus_direction(I3_CMD, const char *direction) {
1220 DLOG("direction = *%s*\n", direction);
1222 if (strcmp(direction, "left") == 0)
1223 tree_next('p', HORIZ);
1224 else if (strcmp(direction, "right") == 0)
1225 tree_next('n', HORIZ);
1226 else if (strcmp(direction, "up") == 0)
1227 tree_next('p', VERT);
1228 else if (strcmp(direction, "down") == 0)
1229 tree_next('n', VERT);
1231 ELOG("Invalid focus direction (%s)\n", direction);
1236 cmd_output->needs_tree_render = true;
1237 // XXX: default reply for now, make this a better reply
1242 * Focus a container and disable any other fullscreen container not permitting the focus.
1245 static void cmd_focus_force_focus(Con *con) {
1246 /* Disable fullscreen container in workspace with container to be focused. */
1247 Con *ws = con_get_workspace(con);
1248 Con *fullscreen_on_ws = (focused && focused->fullscreen_mode == CF_GLOBAL) ? focused : con_get_fullscreen_con(ws, CF_OUTPUT);
1249 if (fullscreen_on_ws && fullscreen_on_ws != con && !con_has_parent(con, fullscreen_on_ws)) {
1250 con_disable_fullscreen(fullscreen_on_ws);
1256 * Implementation of 'focus tiling|floating|mode_toggle'.
1259 void cmd_focus_window_mode(I3_CMD, const char *window_mode) {
1260 DLOG("window_mode = %s\n", window_mode);
1262 bool to_floating = false;
1263 if (strcmp(window_mode, "mode_toggle") == 0) {
1264 to_floating = !con_inside_floating(focused);
1265 } else if (strcmp(window_mode, "floating") == 0) {
1267 } else if (strcmp(window_mode, "tiling") == 0) {
1268 to_floating = false;
1271 Con *ws = con_get_workspace(focused);
1273 bool success = false;
1274 TAILQ_FOREACH(current, &(ws->focus_head), focused) {
1275 if ((to_floating && current->type != CT_FLOATING_CON) ||
1276 (!to_floating && current->type == CT_FLOATING_CON))
1279 cmd_focus_force_focus(con_descend_focused(current));
1285 cmd_output->needs_tree_render = true;
1288 yerror("Failed to find a %s container in workspace.", to_floating ? "floating" : "tiling");
1293 * Implementation of 'focus parent|child'.
1296 void cmd_focus_level(I3_CMD, const char *level) {
1297 DLOG("level = %s\n", level);
1298 bool success = false;
1300 /* Focusing the parent can only be allowed if the newly
1301 * focused container won't escape the fullscreen container. */
1302 if (strcmp(level, "parent") == 0) {
1303 if (focused && focused->parent) {
1304 if (con_fullscreen_permits_focusing(focused->parent))
1305 success = level_up();
1307 ELOG("'focus parent': Currently in fullscreen, not going up\n");
1311 /* Focusing a child should always be allowed. */
1313 success = level_down();
1315 cmd_output->needs_tree_render = success;
1316 // XXX: default reply for now, make this a better reply
1321 * Implementation of 'focus'.
1324 void cmd_focus(I3_CMD) {
1325 DLOG("current_match = %p\n", current_match);
1327 if (match_is_empty(current_match)) {
1328 ELOG("You have to specify which window/container should be focused.\n");
1329 ELOG("Example: [class=\"urxvt\" title=\"irssi\"] focus\n");
1331 yerror("You have to specify which window/container should be focused");
1336 Con *__i3_scratch = workspace_get("__i3_scratch", NULL);
1339 TAILQ_FOREACH(current, &owindows, owindows) {
1340 Con *ws = con_get_workspace(current->con);
1341 /* If no workspace could be found, this was a dock window.
1342 * Just skip it, you cannot focus dock windows. */
1346 /* In case this is a scratchpad window, call scratchpad_show(). */
1347 if (ws == __i3_scratch) {
1348 scratchpad_show(current->con);
1350 /* While for the normal focus case we can change focus multiple
1351 * times and only a single window ends up focused, we could show
1352 * multiple scratchpad windows. So, rather break here. */
1356 /* If the container is not on the current workspace,
1357 * workspace_show() will switch to a different workspace and (if
1358 * enabled) trigger a mouse pointer warp to the currently focused
1359 * container (!) on the target workspace.
1361 * Therefore, before calling workspace_show(), we make sure that
1362 * 'current' will be focused on the workspace. However, we cannot
1363 * just con_focus(current) because then the pointer will not be
1364 * warped at all (the code thinks we are already there).
1366 * So we focus 'current' to make it the currently focused window of
1367 * the target workspace, then revert focus. */
1368 Con *currently_focused = focused;
1369 cmd_focus_force_focus(current->con);
1370 con_focus(currently_focused);
1372 /* Now switch to the workspace, then focus */
1374 LOG("focusing %p / %s\n", current->con, current->con->name);
1375 con_focus(current->con);
1380 LOG("WARNING: Your criteria for the focus command matches %d containers, "
1381 "while only exactly one container can be focused at a time.\n",
1384 cmd_output->needs_tree_render = true;
1385 ysuccess(count > 0);
1389 * Implementation of 'fullscreen enable|toggle [global]' and
1390 * 'fullscreen disable'
1393 void cmd_fullscreen(I3_CMD, const char *action, const char *fullscreen_mode) {
1394 fullscreen_mode_t mode = strcmp(fullscreen_mode, "global") == 0 ? CF_GLOBAL : CF_OUTPUT;
1395 DLOG("%s fullscreen, mode = %s\n", action, fullscreen_mode);
1400 TAILQ_FOREACH(current, &owindows, owindows) {
1401 DLOG("matching: %p / %s\n", current->con, current->con->name);
1402 if (strcmp(action, "toggle") == 0) {
1403 con_toggle_fullscreen(current->con, mode);
1404 } else if (strcmp(action, "enable") == 0) {
1405 con_enable_fullscreen(current->con, mode);
1406 } else if (strcmp(action, "disable") == 0) {
1407 con_disable_fullscreen(current->con);
1411 cmd_output->needs_tree_render = true;
1412 // XXX: default reply for now, make this a better reply
1417 * Implementation of 'sticky enable|disable|toggle'.
1420 void cmd_sticky(I3_CMD, const char *action) {
1421 DLOG("%s sticky on window\n", action);
1425 TAILQ_FOREACH(current, &owindows, owindows) {
1426 if (current->con->window == NULL) {
1427 ELOG("only containers holding a window can be made sticky, skipping con = %p\n", current->con);
1430 DLOG("setting sticky for container = %p / %s\n", current->con, current->con->name);
1432 bool sticky = false;
1433 if (strcmp(action, "enable") == 0)
1435 else if (strcmp(action, "disable") == 0)
1437 else if (strcmp(action, "toggle") == 0)
1438 sticky = !current->con->sticky;
1440 current->con->sticky = sticky;
1441 ewmh_update_sticky(current->con->window->id, sticky);
1444 /* A window we made sticky might not be on a visible workspace right now, so we need to make
1445 * sure it gets pushed to the front now. */
1446 output_push_sticky_windows(focused);
1448 ewmh_update_wm_desktop();
1450 cmd_output->needs_tree_render = true;
1455 * Implementation of 'move <direction> [<pixels> [px]]'.
1458 void cmd_move_direction(I3_CMD, const char *direction, long move_px) {
1462 Con *initially_focused = focused;
1464 TAILQ_FOREACH(current, &owindows, owindows) {
1465 DLOG("moving in direction %s, px %ld\n", direction, move_px);
1466 if (con_is_floating(current->con)) {
1467 DLOG("floating move with %ld pixels\n", move_px);
1468 Rect newrect = current->con->parent->rect;
1469 if (strcmp(direction, "left") == 0) {
1470 newrect.x -= move_px;
1471 } else if (strcmp(direction, "right") == 0) {
1472 newrect.x += move_px;
1473 } else if (strcmp(direction, "up") == 0) {
1474 newrect.y -= move_px;
1475 } else if (strcmp(direction, "down") == 0) {
1476 newrect.y += move_px;
1478 floating_reposition(current->con->parent, newrect);
1480 tree_move(current->con, (strcmp(direction, "right") == 0 ? D_RIGHT : (strcmp(direction, "left") == 0 ? D_LEFT : (strcmp(direction, "up") == 0 ? D_UP : D_DOWN))));
1481 cmd_output->needs_tree_render = true;
1485 /* the move command should not disturb focus */
1486 if (focused != initially_focused)
1487 con_focus(initially_focused);
1489 // XXX: default reply for now, make this a better reply
1494 * Implementation of 'layout default|stacked|stacking|tabbed|splitv|splith'.
1497 void cmd_layout(I3_CMD, const char *layout_str) {
1501 if (!layout_from_name(layout_str, &layout)) {
1502 ELOG("Unknown layout \"%s\", this is a mismatch between code and parser spec.\n", layout_str);
1506 DLOG("changing layout to %s (%d)\n", layout_str, layout);
1509 TAILQ_FOREACH(current, &owindows, owindows) {
1510 if (con_is_docked(current->con)) {
1511 ELOG("cannot change layout of a docked container, skipping it.\n");
1515 DLOG("matching: %p / %s\n", current->con, current->con->name);
1516 con_set_layout(current->con, layout);
1519 cmd_output->needs_tree_render = true;
1520 // XXX: default reply for now, make this a better reply
1525 * Implementation of 'layout toggle [all|split]'.
1528 void cmd_layout_toggle(I3_CMD, const char *toggle_mode) {
1531 if (toggle_mode == NULL)
1532 toggle_mode = "default";
1534 DLOG("toggling layout (mode = %s)\n", toggle_mode);
1536 /* check if the match is empty, not if the result is empty */
1537 if (match_is_empty(current_match))
1538 con_toggle_layout(focused, toggle_mode);
1540 TAILQ_FOREACH(current, &owindows, owindows) {
1541 DLOG("matching: %p / %s\n", current->con, current->con->name);
1542 con_toggle_layout(current->con, toggle_mode);
1546 cmd_output->needs_tree_render = true;
1547 // XXX: default reply for now, make this a better reply
1552 * Implementation of 'exit'.
1555 void cmd_exit(I3_CMD) {
1556 LOG("Exiting due to user command.\n");
1557 #ifdef I3_ASAN_ENABLED
1558 __lsan_do_leak_check();
1560 ipc_shutdown(SHUTDOWN_REASON_EXIT);
1561 unlink(config.ipc_socket_path);
1562 xcb_disconnect(conn);
1569 * Implementation of 'reload'.
1572 void cmd_reload(I3_CMD) {
1574 kill_nagbar(&config_error_nagbar_pid, false);
1575 kill_nagbar(&command_error_nagbar_pid, false);
1576 load_configuration(conn, NULL, true);
1578 /* Send an IPC event just in case the ws names have changed */
1579 ipc_send_workspace_event("reload", NULL, NULL);
1580 /* Send an update event for the barconfig just in case it has changed */
1583 // XXX: default reply for now, make this a better reply
1588 * Implementation of 'restart'.
1591 void cmd_restart(I3_CMD) {
1592 LOG("restarting i3\n");
1593 ipc_shutdown(SHUTDOWN_REASON_RESTART);
1594 unlink(config.ipc_socket_path);
1595 /* We need to call this manually since atexit handlers don’t get called
1597 purge_zerobyte_logfile();
1600 // XXX: default reply for now, make this a better reply
1605 * Implementation of 'open'.
1608 void cmd_open(I3_CMD) {
1609 LOG("opening new container\n");
1610 Con *con = tree_open_con(NULL, NULL);
1611 con->layout = L_SPLITH;
1618 y(integer, (uintptr_t)con);
1621 cmd_output->needs_tree_render = true;
1625 * Implementation of 'focus output <output>'.
1628 void cmd_focus_output(I3_CMD, const char *name) {
1631 DLOG("name = %s\n", name);
1635 /* get the output */
1636 Output *current_output = NULL;
1639 TAILQ_FOREACH(current, &owindows, owindows)
1640 current_output = get_output_for_con(current->con);
1641 assert(current_output != NULL);
1643 output = get_output_from_string(current_output, name);
1646 LOG("No such output found.\n");
1651 /* get visible workspace on output */
1653 GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
1661 cmd_output->needs_tree_render = true;
1662 // XXX: default reply for now, make this a better reply
1667 * Implementation of 'move [window|container] [to] [absolute] position <px> [px] <px> [px]
1670 void cmd_move_window_to_position(I3_CMD, const char *method, long x, long y) {
1671 bool has_error = false;
1676 TAILQ_FOREACH(current, &owindows, owindows) {
1677 if (!con_is_floating(current->con)) {
1678 ELOG("Cannot change position. The window/container is not floating\n");
1681 yerror("Cannot change position of a window/container because it is not floating.");
1688 if (strcmp(method, "absolute") == 0) {
1689 current->con->parent->rect.x = x;
1690 current->con->parent->rect.y = y;
1692 DLOG("moving to absolute position %ld %ld\n", x, y);
1693 floating_maybe_reassign_ws(current->con->parent);
1694 cmd_output->needs_tree_render = true;
1697 if (strcmp(method, "position") == 0) {
1698 Rect newrect = current->con->parent->rect;
1700 DLOG("moving to position %ld %ld\n", x, y);
1704 floating_reposition(current->con->parent, newrect);
1708 // XXX: default reply for now, make this a better reply
1714 * Implementation of 'move [window|container] [to] [absolute] position center
1717 void cmd_move_window_to_center(I3_CMD, const char *method) {
1718 bool has_error = false;
1722 TAILQ_FOREACH(current, &owindows, owindows) {
1723 Con *floating_con = con_inside_floating(current->con);
1724 if (floating_con == NULL) {
1725 ELOG("con %p / %s is not floating, cannot move it to the center.\n",
1726 current->con, current->con->name);
1729 yerror("Cannot change position of a window/container because it is not floating.");
1736 if (strcmp(method, "absolute") == 0) {
1737 DLOG("moving to absolute center\n");
1738 floating_center(floating_con, croot->rect);
1740 floating_maybe_reassign_ws(floating_con);
1741 cmd_output->needs_tree_render = true;
1744 if (strcmp(method, "position") == 0) {
1745 DLOG("moving to center\n");
1746 floating_center(floating_con, con_get_workspace(floating_con)->rect);
1748 cmd_output->needs_tree_render = true;
1752 // XXX: default reply for now, make this a better reply
1758 * Implementation of 'move [window|container] [to] position mouse'
1761 void cmd_move_window_to_mouse(I3_CMD) {
1765 TAILQ_FOREACH(current, &owindows, owindows) {
1766 Con *floating_con = con_inside_floating(current->con);
1767 if (floating_con == NULL) {
1768 DLOG("con %p / %s is not floating, cannot move it to the mouse position.\n",
1769 current->con, current->con->name);
1773 DLOG("moving floating container %p / %s to cursor position\n", floating_con, floating_con->name);
1774 floating_move_to_pointer(floating_con);
1777 cmd_output->needs_tree_render = true;
1782 * Implementation of 'move scratchpad'.
1785 void cmd_move_scratchpad(I3_CMD) {
1786 DLOG("should move window to scratchpad\n");
1791 TAILQ_FOREACH(current, &owindows, owindows) {
1792 DLOG("matching: %p / %s\n", current->con, current->con->name);
1793 scratchpad_move(current->con);
1796 cmd_output->needs_tree_render = true;
1797 // XXX: default reply for now, make this a better reply
1802 * Implementation of 'scratchpad show'.
1805 void cmd_scratchpad_show(I3_CMD) {
1806 DLOG("should show scratchpad window\n");
1809 if (match_is_empty(current_match)) {
1810 scratchpad_show(NULL);
1812 TAILQ_FOREACH(current, &owindows, owindows) {
1813 DLOG("matching: %p / %s\n", current->con, current->con->name);
1814 scratchpad_show(current->con);
1818 cmd_output->needs_tree_render = true;
1819 // XXX: default reply for now, make this a better reply
1824 * Implementation of 'swap [container] [with] id|con_id|mark <arg>'.
1827 void cmd_swap(I3_CMD, const char *mode, const char *arg) {
1830 owindow *match = TAILQ_FIRST(&owindows);
1831 if (match == NULL) {
1832 DLOG("No match found for swapping.\n");
1837 if (strcmp(mode, "id") == 0) {
1839 if (!parse_long(arg, &target, 0)) {
1840 yerror("Failed to parse %s into a window id.\n", arg);
1844 con = con_by_window_id(target);
1845 } else if (strcmp(mode, "con_id") == 0) {
1847 if (!parse_long(arg, &target, 0)) {
1848 yerror("Failed to parse %s into a container id.\n", arg);
1852 con = con_by_con_id(target);
1853 } else if (strcmp(mode, "mark") == 0) {
1854 con = con_by_mark(arg);
1856 yerror("Unhandled swap mode \"%s\". This is a bug.\n", mode);
1861 yerror("Could not find container for %s = %s\n", mode, arg);
1865 if (match != TAILQ_LAST(&owindows, owindows_head)) {
1866 DLOG("More than one container matched the swap command, only using the first one.");
1869 if (match->con == NULL) {
1870 DLOG("Match %p has no container.\n", match);
1875 DLOG("Swapping %p with %p.\n", match->con, con);
1876 bool result = con_swap(match->con, con);
1878 cmd_output->needs_tree_render = true;
1883 * Implementation of 'title_format <format>'
1886 void cmd_title_format(I3_CMD, const char *format) {
1887 DLOG("setting title_format to \"%s\"\n", format);
1891 TAILQ_FOREACH(current, &owindows, owindows) {
1892 DLOG("setting title_format for %p / %s\n", current->con, current->con->name);
1893 FREE(current->con->title_format);
1895 /* If we only display the title without anything else, we can skip the parsing step,
1896 * so we remove the title format altogether. */
1897 if (strcasecmp(format, "%title") != 0) {
1898 current->con->title_format = sstrdup(format);
1900 if (current->con->window != NULL) {
1901 i3String *formatted_title = con_parse_title_format(current->con);
1902 ewmh_update_visible_name(current->con->window->id, i3string_as_utf8(formatted_title));
1903 I3STRING_FREE(formatted_title);
1906 if (current->con->window != NULL) {
1907 /* We can remove _NET_WM_VISIBLE_NAME since we don't display a custom title. */
1908 ewmh_update_visible_name(current->con->window->id, NULL);
1912 if (current->con->window != NULL) {
1913 /* Make sure the window title is redrawn immediately. */
1914 current->con->window->name_x_changed = true;
1916 /* For windowless containers we also need to force the redrawing. */
1917 FREE(current->con->deco_render_params);
1921 cmd_output->needs_tree_render = true;
1926 * Implementation of 'rename workspace [<name>] to <name>'
1929 void cmd_rename_workspace(I3_CMD, const char *old_name, const char *new_name) {
1930 if (strncasecmp(new_name, "__", strlen("__")) == 0) {
1931 LOG("Cannot rename workspace to \"%s\": names starting with __ are i3-internal.\n", new_name);
1936 LOG("Renaming workspace \"%s\" to \"%s\"\n", old_name, new_name);
1938 LOG("Renaming current workspace to \"%s\"\n", new_name);
1941 Con *output, *workspace = NULL;
1943 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1944 GREP_FIRST(workspace, output_get_content(output),
1945 !strcasecmp(child->name, old_name));
1947 workspace = con_get_workspace(focused);
1948 old_name = workspace->name;
1952 yerror("Old workspace \"%s\" not found", old_name);
1956 Con *check_dest = NULL;
1957 TAILQ_FOREACH(output, &(croot->nodes_head), nodes)
1958 GREP_FIRST(check_dest, output_get_content(output),
1959 !strcasecmp(child->name, new_name));
1961 /* If check_dest == workspace, the user might be changing the case of the
1962 * workspace, or it might just be a no-op. */
1963 if (check_dest != NULL && check_dest != workspace) {
1964 yerror("New workspace \"%s\" already exists", new_name);
1968 /* Change the name and try to parse it as a number. */
1969 /* old_name might refer to workspace->name, so copy it before free()ing */
1970 char *old_name_copy = sstrdup(old_name);
1971 FREE(workspace->name);
1972 workspace->name = sstrdup(new_name);
1974 workspace->num = ws_name_to_number(new_name);
1975 LOG("num = %d\n", workspace->num);
1977 /* By re-attaching, the sort order will be correct afterwards. */
1978 Con *previously_focused = focused;
1979 Con *parent = workspace->parent;
1980 con_detach(workspace);
1981 con_attach(workspace, parent, false);
1983 /* Move the workspace to the correct output if it has an assignment */
1984 struct Workspace_Assignment *assignment = NULL;
1985 TAILQ_FOREACH(assignment, &ws_assignments, ws_assignments) {
1986 if (assignment->output == NULL)
1988 if (strcmp(assignment->name, workspace->name) != 0 && (!name_is_digits(assignment->name) || ws_name_to_number(assignment->name) != workspace->num)) {
1992 workspace_move_to_output(workspace, assignment->output);
1994 if (previously_focused)
1995 workspace_show(con_get_workspace(previously_focused));
2000 /* Restore the previous focus since con_attach messes with the focus. */
2001 con_focus(previously_focused);
2003 cmd_output->needs_tree_render = true;
2006 ipc_send_workspace_event("rename", workspace, NULL);
2007 ewmh_update_desktop_names();
2008 ewmh_update_desktop_viewport();
2009 ewmh_update_current_desktop();
2011 startup_sequence_rename_workspace(old_name_copy, new_name);
2012 free(old_name_copy);
2016 * Implementation of 'bar mode dock|hide|invisible|toggle [<bar_id>]'
2019 bool cmd_bar_mode(const char *bar_mode, const char *bar_id) {
2021 bool toggle = false;
2022 if (strcmp(bar_mode, "dock") == 0)
2024 else if (strcmp(bar_mode, "hide") == 0)
2026 else if (strcmp(bar_mode, "invisible") == 0)
2028 else if (strcmp(bar_mode, "toggle") == 0)
2031 ELOG("Unknown bar mode \"%s\", this is a mismatch between code and parser spec.\n", bar_mode);
2035 bool changed_sth = false;
2036 Barconfig *current = NULL;
2037 TAILQ_FOREACH(current, &barconfigs, configs) {
2038 if (bar_id && strcmp(current->id, bar_id) != 0)
2042 mode = (current->mode + 1) % 2;
2044 DLOG("Changing bar mode of bar_id '%s' to '%s (%d)'\n", current->id, bar_mode, mode);
2045 current->mode = mode;
2052 if (bar_id && !changed_sth) {
2053 DLOG("Changing bar mode of bar_id %s failed, bar_id not found.\n", bar_id);
2061 * Implementation of 'bar hidden_state hide|show|toggle [<bar_id>]'
2064 bool cmd_bar_hidden_state(const char *bar_hidden_state, const char *bar_id) {
2065 int hidden_state = S_SHOW;
2066 bool toggle = false;
2067 if (strcmp(bar_hidden_state, "hide") == 0)
2068 hidden_state = S_HIDE;
2069 else if (strcmp(bar_hidden_state, "show") == 0)
2070 hidden_state = S_SHOW;
2071 else if (strcmp(bar_hidden_state, "toggle") == 0)
2074 ELOG("Unknown bar state \"%s\", this is a mismatch between code and parser spec.\n", bar_hidden_state);
2078 bool changed_sth = false;
2079 Barconfig *current = NULL;
2080 TAILQ_FOREACH(current, &barconfigs, configs) {
2081 if (bar_id && strcmp(current->id, bar_id) != 0)
2085 hidden_state = (current->hidden_state + 1) % 2;
2087 DLOG("Changing bar hidden_state of bar_id '%s' to '%s (%d)'\n", current->id, bar_hidden_state, hidden_state);
2088 current->hidden_state = hidden_state;
2095 if (bar_id && !changed_sth) {
2096 DLOG("Changing bar hidden_state of bar_id %s failed, bar_id not found.\n", bar_id);
2104 * Implementation of 'bar (hidden_state hide|show|toggle)|(mode dock|hide|invisible|toggle) [<bar_id>]'
2107 void cmd_bar(I3_CMD, const char *bar_type, const char *bar_value, const char *bar_id) {
2109 if (strcmp(bar_type, "mode") == 0)
2110 ret = cmd_bar_mode(bar_value, bar_id);
2111 else if (strcmp(bar_type, "hidden_state") == 0)
2112 ret = cmd_bar_hidden_state(bar_value, bar_id);
2114 ELOG("Unknown bar option type \"%s\", this is a mismatch between code and parser spec.\n", bar_type);
2126 * Implementation of 'shmlog <size>|toggle|on|off'
2129 void cmd_shmlog(I3_CMD, const char *argument) {
2130 if (!strcmp(argument, "toggle"))
2131 /* Toggle shm log, if size is not 0. If it is 0, set it to default. */
2132 shmlog_size = shmlog_size ? -shmlog_size : default_shmlog_size;
2133 else if (!strcmp(argument, "on"))
2134 shmlog_size = default_shmlog_size;
2135 else if (!strcmp(argument, "off"))
2138 /* If shm logging now, restart logging with the new size. */
2139 if (shmlog_size > 0) {
2141 LOG("Restarting shm logging...\n");
2144 shmlog_size = atoi(argument);
2145 /* Make a weakly attempt at ensuring the argument is valid. */
2146 if (shmlog_size <= 0)
2147 shmlog_size = default_shmlog_size;
2149 LOG("%s shm logging\n", shmlog_size > 0 ? "Enabling" : "Disabling");
2151 update_shmlog_atom();
2152 // XXX: default reply for now, make this a better reply
2157 * Implementation of 'debuglog toggle|on|off'
2160 void cmd_debuglog(I3_CMD, const char *argument) {
2161 bool logging = get_debug_logging();
2162 if (!strcmp(argument, "toggle")) {
2163 LOG("%s debug logging\n", logging ? "Disabling" : "Enabling");
2164 set_debug_logging(!logging);
2165 } else if (!strcmp(argument, "on") && !logging) {
2166 LOG("Enabling debug logging\n");
2167 set_debug_logging(true);
2168 } else if (!strcmp(argument, "off") && logging) {
2169 LOG("Disabling debug logging\n");
2170 set_debug_logging(false);
2172 // XXX: default reply for now, make this a better reply