2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009-2010 Michael Stapelberg and contributors (see also: LICENSE)
7 * con.c contains all functions which deal with containers directly (creating
8 * containers, searching containers, getting specific properties from
27 static void con_on_remove_child(Con *con);
30 * Create a new container (and attach it to the given parent, if not NULL).
31 * This function initializes the data structures and creates the appropriate
32 * X11 IDs using x_con_init().
35 Con *con_new(Con *parent, i3Window *window) {
36 Con *new = scalloc(sizeof(Con));
37 new->on_remove_child = con_on_remove_child;
38 TAILQ_INSERT_TAIL(&all_cons, new, all_cons);
41 new->border_style = config.default_border;
43 DLOG("opening window %d\n", cnt);
45 /* TODO: remove window coloring after test-phase */
46 DLOG("color %s\n", colors[cnt]);
47 new->name = strdup(colors[cnt]);
48 //uint32_t cp = get_colorpixel(colors[cnt]);
50 if ((cnt % (sizeof(colors) / sizeof(char*))) == 0)
55 // TODO: this needs to be integrated into src/x.c and updated on config file reloads
56 xcb_change_window_attributes(conn, new->frame, XCB_CW_BACK_PIXEL, &config.client.background);
58 TAILQ_INIT(&(new->floating_head));
59 TAILQ_INIT(&(new->nodes_head));
60 TAILQ_INIT(&(new->focus_head));
61 TAILQ_INIT(&(new->swallow_head));
64 con_attach(new, parent, false);
70 * Attaches the given container to the given parent. This happens when moving
71 * a container or when inserting a new container at a specific place in the
74 * ignore_focus is to just insert the Con at the end (useful when creating a
75 * new split container *around* some containers, that is, detaching and
76 * attaching them in order without wanting to mess with the focus in between).
79 void con_attach(Con *con, Con *parent, bool ignore_focus) {
83 struct nodes_head *nodes_head = &(parent->nodes_head);
84 struct focus_head *focus_head = &(parent->focus_head);
86 /* Workspaces are handled differently: they need to be inserted at the
88 if (con->type == CT_WORKSPACE) {
89 DLOG("it's a workspace. num = %d\n", con->num);
90 if (con->num == -1 || TAILQ_EMPTY(nodes_head)) {
91 TAILQ_INSERT_TAIL(nodes_head, con, nodes);
93 current = TAILQ_FIRST(nodes_head);
94 if (con->num < current->num) {
95 /* we need to insert the container at the beginning */
96 TAILQ_INSERT_HEAD(nodes_head, con, nodes);
98 while (current->num != -1 && con->num > current->num) {
99 current = TAILQ_NEXT(current, nodes);
100 if (current == TAILQ_END(nodes_head)) {
105 /* we need to insert con after current, if current is not NULL */
107 TAILQ_INSERT_BEFORE(current, con, nodes);
108 else TAILQ_INSERT_TAIL(nodes_head, con, nodes);
111 goto add_to_focus_head;
114 if (con->type == CT_FLOATING_CON) {
115 DLOG("Inserting into floating containers\n");
116 TAILQ_INSERT_TAIL(&(parent->floating_head), con, floating_windows);
119 /* Get the first tiling container in focus stack */
120 TAILQ_FOREACH(loop, &(parent->focus_head), focused) {
121 if (loop->type == CT_FLOATING_CON)
128 /* When the container is not a split container (but contains a window)
129 * and is attached to a workspace, we check if the user configured a
130 * workspace_layout. This is done in workspace_attach_to, which will
131 * provide us with the container to which we should attach (either the
132 * workspace or a new split container with the configured
135 if (con->window != NULL && parent->type == CT_WORKSPACE) {
136 DLOG("Parent is a workspace. Applying default layout...\n");
137 Con *target = workspace_attach_to(parent);
139 /* Attach the original con to this new split con instead */
140 nodes_head = &(target->nodes_head);
141 focus_head = &(target->focus_head);
142 con->parent = target;
148 /* Insert the container after the tiling container, if found.
149 * When adding to a CT_OUTPUT, just append one after another. */
150 if (current && parent->type != CT_OUTPUT) {
151 DLOG("Inserting con = %p after last focused tiling con %p\n",
153 TAILQ_INSERT_AFTER(nodes_head, current, con, nodes);
154 } else TAILQ_INSERT_TAIL(nodes_head, con, nodes);
158 /* We insert to the TAIL because con_focus() will correct this.
159 * This way, we have the option to insert Cons without having
161 TAILQ_INSERT_TAIL(focus_head, con, focused);
165 * Detaches the given container from its current parent
168 void con_detach(Con *con) {
169 if (con->type == CT_FLOATING_CON) {
170 TAILQ_REMOVE(&(con->parent->floating_head), con, floating_windows);
171 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
173 TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
174 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
179 * Sets input focus to the given container. Will be updated in X11 in the next
180 * run of x_push_changes().
183 void con_focus(Con *con) {
185 DLOG("con_focus = %p\n", con);
187 /* 1: set focused-pointer to the new con */
188 /* 2: exchange the position of the container in focus stack of the parent all the way up */
189 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
190 TAILQ_INSERT_HEAD(&(con->parent->focus_head), con, focused);
191 if (con->parent->parent != NULL)
192 con_focus(con->parent);
197 workspace_update_urgent_flag(con_get_workspace(con));
199 DLOG("con_focus done = %p\n", con);
203 * Returns true when this node is a leaf node (has no children)
206 bool con_is_leaf(Con *con) {
207 return TAILQ_EMPTY(&(con->nodes_head));
211 * Returns true if this node accepts a window (if the node swallows windows,
212 * it might already have swallowed enough and cannot hold any more).
215 bool con_accepts_window(Con *con) {
216 /* 1: workspaces never accept direct windows */
217 if (con->type == CT_WORKSPACE)
220 if (con->orientation != NO_ORIENTATION) {
221 DLOG("container %p does not accepts windows, orientation != NO_ORIENTATION\n", con);
225 /* TODO: if this is a swallowing container, we need to check its max_clients */
226 return (con->window == NULL);
230 * Gets the output container (first container with CT_OUTPUT in hierarchy) this
234 Con *con_get_output(Con *con) {
236 while (result != NULL && result->type != CT_OUTPUT)
237 result = result->parent;
238 /* We must be able to get an output because focus can never be set higher
239 * in the tree (root node cannot be focused). */
240 assert(result != NULL);
245 * Gets the workspace container this node is on.
248 Con *con_get_workspace(Con *con) {
250 while (result != NULL && result->type != CT_WORKSPACE)
251 result = result->parent;
256 * Searches parenst of the given 'con' until it reaches one with the specified
257 * 'orientation'. Aborts when it comes across a floating_con.
260 Con *con_parent_with_orientation(Con *con, orientation_t orientation) {
261 DLOG("Searching for parent of Con %p with orientation %d\n", con, orientation);
262 Con *parent = con->parent;
263 if (parent->type == CT_FLOATING_CON)
265 while (con_orientation(parent) != orientation) {
266 DLOG("Need to go one level further up\n");
267 parent = parent->parent;
268 /* Abort when we reach a floating con */
269 if (parent && parent->type == CT_FLOATING_CON)
274 DLOG("Result: %p\n", parent);
279 * helper data structure for the breadth-first-search in
280 * con_get_fullscreen_con()
286 TAILQ_ENTRY(bfs_entry) entries;
290 * Returns the first fullscreen node below this node.
293 Con *con_get_fullscreen_con(Con *con) {
294 Con *current, *child;
296 /* TODO: is breadth-first-search really appropriate? (check as soon as
297 * fullscreen levels and fullscreen for containers is implemented) */
298 TAILQ_HEAD(bfs_head, bfs_entry) bfs_head = TAILQ_HEAD_INITIALIZER(bfs_head);
299 struct bfs_entry *entry = smalloc(sizeof(struct bfs_entry));
301 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
303 while (!TAILQ_EMPTY(&bfs_head)) {
304 entry = TAILQ_FIRST(&bfs_head);
305 current = entry->con;
306 if (current != con && current->fullscreen_mode != CF_NONE) {
307 /* empty the queue */
308 while (!TAILQ_EMPTY(&bfs_head)) {
309 entry = TAILQ_FIRST(&bfs_head);
310 TAILQ_REMOVE(&bfs_head, entry, entries);
316 TAILQ_REMOVE(&bfs_head, entry, entries);
319 TAILQ_FOREACH(child, &(current->nodes_head), nodes) {
320 entry = smalloc(sizeof(struct bfs_entry));
322 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
325 TAILQ_FOREACH(child, &(current->floating_head), floating_windows) {
326 entry = smalloc(sizeof(struct bfs_entry));
328 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
336 * Returns true if the node is floating.
339 bool con_is_floating(Con *con) {
341 DLOG("checking if con %p is floating\n", con);
342 return (con->floating >= FLOATING_AUTO_ON);
346 * Checks if the given container is either floating or inside some floating
347 * container. It returns the FLOATING_CON container.
350 Con *con_inside_floating(Con *con) {
352 if (con->type == CT_FLOATING_CON)
355 if (con->floating >= FLOATING_AUTO_ON)
358 if (con->type == CT_WORKSPACE || con->type == CT_OUTPUT)
361 return con_inside_floating(con->parent);
365 * Returns the container with the given client window ID or NULL if no such
369 Con *con_by_window_id(xcb_window_t window) {
371 TAILQ_FOREACH(con, &all_cons, all_cons)
372 if (con->window != NULL && con->window->id == window)
378 * Returns the container with the given frame ID or NULL if no such container
382 Con *con_by_frame_id(xcb_window_t frame) {
384 TAILQ_FOREACH(con, &all_cons, all_cons)
385 if (con->frame == frame)
391 * Returns the first container below 'con' which wants to swallow this window
395 Con *con_for_window(Con *con, i3Window *window, Match **store_match) {
398 DLOG("searching con for window %p starting at con %p\n", window, con);
399 DLOG("class == %s\n", window->class_class);
401 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
402 TAILQ_FOREACH(match, &(child->swallow_head), matches) {
403 if (!match_matches_window(match, window))
405 if (store_match != NULL)
406 *store_match = match;
409 Con *result = con_for_window(child, window, store_match);
414 TAILQ_FOREACH(child, &(con->floating_head), floating_windows) {
415 TAILQ_FOREACH(match, &(child->swallow_head), matches) {
416 if (!match_matches_window(match, window))
418 if (store_match != NULL)
419 *store_match = match;
422 Con *result = con_for_window(child, window, store_match);
431 * Returns the number of children of this container.
434 int con_num_children(Con *con) {
438 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
445 * Updates the percent attribute of the children of the given container. This
446 * function needs to be called when a window is added or removed from a
450 void con_fix_percent(Con *con) {
452 int children = con_num_children(con);
454 // calculate how much we have distributed and how many containers
455 // with a percentage set we have
457 int children_with_percent = 0;
458 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
459 if (child->percent > 0.0) {
460 total += child->percent;
461 ++children_with_percent;
465 // if there were children without a percentage set, set to a value that
466 // will make those children proportional to all others
467 if (children_with_percent != children) {
468 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
469 if (child->percent <= 0.0) {
470 if (children_with_percent == 0)
471 total += (child->percent = 1.0);
472 else total += (child->percent = total / children_with_percent);
477 // if we got a zero, just distribute the space equally, otherwise
478 // distribute according to the proportions we got
480 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
481 child->percent = 1.0 / children;
482 } else if (total != 1.0) {
483 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
484 child->percent /= total;
489 * Toggles fullscreen mode for the given container. Fullscreen mode will not be
490 * entered when there already is a fullscreen container on this workspace.
493 void con_toggle_fullscreen(Con *con) {
494 Con *workspace, *fullscreen;
496 if (con->type == CT_WORKSPACE) {
497 DLOG("You cannot make a workspace fullscreen.\n");
501 DLOG("toggling fullscreen for %p / %s\n", con, con->name);
502 if (con->fullscreen_mode == CF_NONE) {
503 /* 1: check if there already is a fullscreen con */
504 workspace = con_get_workspace(con);
505 if ((fullscreen = con_get_fullscreen_con(workspace)) != NULL) {
506 LOG("Not entering fullscreen mode, container (%p/%s) "
507 "already is in fullscreen mode\n",
508 fullscreen, fullscreen->name);
510 /* 2: enable fullscreen */
511 con->fullscreen_mode = CF_OUTPUT;
514 /* 1: disable fullscreen */
515 con->fullscreen_mode = CF_NONE;
517 DLOG("mode now: %d\n", con->fullscreen_mode);
519 /* update _NET_WM_STATE if this container has a window */
520 /* TODO: when a window is assigned to a container which is already
521 * fullscreened, this state needs to be pushed to the client, too */
522 if (con->window == NULL)
526 unsigned int num = 0;
528 if (con->fullscreen_mode != CF_NONE)
529 values[num++] = A__NET_WM_STATE_FULLSCREEN;
531 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
532 A__NET_WM_STATE, A_ATOM, 32, num, values);
536 * Moves the given container to the currently focused container on the given
538 * TODO: is there a better place for this function?
541 void con_move_to_workspace(Con *con, Con *workspace) {
542 if (con->type == CT_WORKSPACE) {
543 DLOG("Moving workspaces is not yet implemented.\n");
547 if (con_is_floating(con)) {
548 DLOG("Using FLOATINGCON instead\n");
552 Con *source_output = con_get_output(con),
553 *dest_output = con_get_output(workspace);
555 /* 1: save the container which is going to be focused after the current
556 * container is moved away */
557 Con *focus_next = con_next_focused(con);
559 /* 2: get the focused container of this workspace */
560 Con *next = con_descend_focused(workspace);
562 /* 3: we go up one level, but only when next is a normal container */
563 if (next->type != CT_WORKSPACE) {
564 DLOG("next originally = %p / %s / type %d\n", next, next->name, next->type);
568 /* 4: if the target container is floating, we get the workspace instead.
569 * Only tiling windows need to get inserted next to the current container.
571 Con *floatingcon = con_inside_floating(next);
572 if (floatingcon != NULL) {
573 DLOG("floatingcon, going up even further\n");
574 next = floatingcon->parent;
577 if (con->type == CT_FLOATING_CON) {
578 Con *ws = con_get_workspace(next);
579 DLOG("This is a floating window, using workspace %p / %s\n", ws, ws->name);
583 DLOG("Re-attaching container to %p / %s\n", next, next->name);
584 /* 5: re-attach the con to the parent of this focused container */
585 Con *parent = con->parent;
587 con_attach(con, next, false);
589 /* 6: fix the percentages */
590 con_fix_percent(parent);
592 con_fix_percent(next);
594 /* 7: focus the con on the target workspace (the X focus is only updated by
595 * calling tree_render(), so for the "real" focus this is a no-op) */
598 /* 8: when moving to a visible workspace on a different output, we keep the
599 * con focused. Otherwise, we leave the focus on the current workspace as we
600 * don’t want to focus invisible workspaces */
601 if (source_output != dest_output &&
602 workspace_is_visible(workspace)) {
603 DLOG("Moved to a different output, focusing target\n");
605 con_focus(focus_next);
608 CALL(parent, on_remove_child);
612 * Returns the orientation of the given container (for stacked containers,
613 * vertical orientation is used regardless of the actual orientation of the
617 int con_orientation(Con *con) {
618 /* stacking containers behave like they are in vertical orientation */
619 if (con->layout == L_STACKED)
622 if (con->layout == L_TABBED)
625 return con->orientation;
629 * Returns the container which will be focused next when the given container
630 * is not available anymore. Called in tree_close and con_move_to_workspace
631 * to properly restore focus.
634 Con *con_next_focused(Con *con) {
636 /* floating containers are attached to a workspace, so we focus either the
637 * next floating container (if any) or the workspace itself. */
638 if (con->type == CT_FLOATING_CON) {
639 DLOG("selecting next for CT_FLOATING_CON\n");
640 next = TAILQ_NEXT(con, floating_windows);
641 if (next == TAILQ_END(&(parent->floating_head))) {
642 Con *ws = con_get_workspace(con);
644 DLOG("no more floating containers for next = %p, restoring workspace focus\n", next);
645 while (next != TAILQ_END(&(ws->focus_head)) && !TAILQ_EMPTY(&(next->focus_head))) {
646 next = TAILQ_FIRST(&(next->focus_head));
648 DLOG("skipping container itself, we want the next client\n");
649 next = TAILQ_NEXT(next, focused);
652 if (next == TAILQ_END(&(ws->focus_head))) {
653 DLOG("Focus list empty, returning ws\n");
657 /* Instead of returning the next CT_FLOATING_CON, we descend it to
658 * get an actual window to focus. */
659 next = con_descend_focused(next);
664 /* dock clients cannot be focused, so we focus the workspace instead */
665 if (con->parent->type == CT_DOCKAREA) {
666 DLOG("selecting workspace for dock client\n");
667 return con_descend_focused(output_get_content(con->parent->parent));
670 /* if 'con' is not the first entry in the focus stack, use the first one as
671 * it’s currently focused already */
672 Con *first = TAILQ_FIRST(&(con->parent->focus_head));
674 DLOG("Using first entry %p\n", first);
677 /* try to focus the next container on the same level as this one or fall
678 * back to its parent */
679 if (!(next = TAILQ_NEXT(con, focused)))
683 /* now go down the focus stack as far as
684 * possible, excluding the current container */
685 while (!TAILQ_EMPTY(&(next->focus_head)) &&
686 TAILQ_FIRST(&(next->focus_head)) != con)
687 next = TAILQ_FIRST(&(next->focus_head));
693 * Get the next/previous container in the specified orientation. This may
694 * travel up until it finds a container with suitable orientation.
697 Con *con_get_next(Con *con, char way, orientation_t orientation) {
698 DLOG("con_get_next(way=%c, orientation=%d)\n", way, orientation);
699 /* 1: get the first parent with the same orientation */
701 while (con_orientation(cur->parent) != orientation) {
702 DLOG("need to go one level further up\n");
703 if (cur->parent->type == CT_WORKSPACE) {
704 LOG("that's a workspace, we can't go further up\n");
710 /* 2: chose next (or previous) */
713 next = TAILQ_NEXT(cur, nodes);
714 /* if we are at the end of the list, we need to wrap */
715 if (next == TAILQ_END(&(parent->nodes_head)))
718 next = TAILQ_PREV(cur, nodes_head, nodes);
719 /* if we are at the end of the list, we need to wrap */
720 if (next == TAILQ_END(&(cur->nodes_head)))
723 DLOG("next = %p\n", next);
729 * Returns the focused con inside this client, descending the tree as far as
730 * possible. This comes in handy when attaching a con to a workspace at the
731 * currently focused position, for example.
734 Con *con_descend_focused(Con *con) {
736 while (!TAILQ_EMPTY(&(next->focus_head)))
737 next = TAILQ_FIRST(&(next->focus_head));
742 * Returns the focused con inside this client, descending the tree as far as
743 * possible. This comes in handy when attaching a con to a workspace at the
744 * currently focused position, for example.
746 * Works like con_descend_focused but considers only tiling cons.
749 Con *con_descend_tiling_focused(Con *con) {
755 TAILQ_FOREACH(child, &(next->focus_head), focused) {
756 if (child->type == CT_FLOATING_CON)
762 } while (before != next);
768 * Returns a "relative" Rect which contains the amount of pixels that need to
769 * be added to the original Rect to get the final position (obviously the
770 * amount of pixels for normal, 1pixel and borderless are different).
773 Rect con_border_style_rect(Con *con) {
774 switch (con_border_style(con)) {
776 return (Rect){2, 0, -(2 * 2), -2};
779 return (Rect){1, 1, -2, -2};
782 return (Rect){0, 0, 0, 0};
790 * Use this function to get a container’s border style. This is important
791 * because when inside a stack, the border style is always BS_NORMAL.
792 * For tabbed mode, the same applies, with one exception: when the container is
793 * borderless and the only element in the tabbed container, the border is not
796 * For children of a CT_DOCKAREA, the border style is always none.
799 int con_border_style(Con *con) {
800 Con *fs = con_get_fullscreen_con(con->parent);
802 DLOG("this one is fullscreen! overriding BS_NONE\n");
806 if (con->parent->layout == L_STACKED)
807 return (con_num_children(con->parent) == 1 ? con->border_style : BS_NORMAL);
809 if (con->parent->layout == L_TABBED && con->border_style != BS_NORMAL)
810 return (con_num_children(con->parent) == 1 ? con->border_style : BS_NORMAL);
812 if (con->parent->type == CT_DOCKAREA)
815 return con->border_style;
819 * This function changes the layout of a given container. Use it to handle
820 * special cases like changing a whole workspace to stacked/tabbed (creates a
821 * new split container before).
824 void con_set_layout(Con *con, int layout) {
825 /* When the container type is CT_WORKSPACE, the user wants to change the
826 * whole workspace into stacked/tabbed mode. To do this and still allow
827 * intuitive operations (like level-up and then opening a new window), we
828 * need to create a new split container. */
829 if (con->type == CT_WORKSPACE) {
830 DLOG("Creating new split container\n");
831 /* 1: create a new split container */
832 Con *new = con_new(NULL, NULL);
835 /* 2: set the requested layout on the split con */
836 new->layout = layout;
838 /* 3: While the layout is irrelevant in stacked/tabbed mode, it needs
839 * to be set. Otherwise, this con will not be interpreted as a split
841 if (config.default_orientation == NO_ORIENTATION) {
842 new->orientation = (con->rect.height > con->rect.width) ? VERT : HORIZ;
844 new->orientation = config.default_orientation;
847 Con *old_focused = TAILQ_FIRST(&(con->focus_head));
848 if (old_focused == TAILQ_END(&(con->focus_head)))
851 /* 4: move the existing cons of this workspace below the new con */
852 DLOG("Moving cons\n");
854 while (!TAILQ_EMPTY(&(con->nodes_head))) {
855 child = TAILQ_FIRST(&(con->nodes_head));
857 con_attach(child, new, true);
860 /* 4: attach the new split container to the workspace */
861 DLOG("Attaching new split to ws\n");
862 con_attach(new, con, false);
865 con_focus(old_focused);
872 con->layout = layout;
876 * Callback which will be called when removing a child from the given con.
877 * Kills the container if it is empty and replaces it with the child if there
878 * is exactly one child.
881 static void con_on_remove_child(Con *con) {
882 DLOG("on_remove_child\n");
884 /* Every container 'above' (in the hierarchy) the workspace content should
885 * not be closed when the last child was removed */
886 if (con->type == CT_WORKSPACE ||
887 con->type == CT_OUTPUT ||
888 con->type == CT_ROOT ||
889 con->type == CT_DOCKAREA) {
890 DLOG("not handling, type = %d\n", con->type);
894 /* TODO: check if this container would swallow any other client and
895 * don’t close it automatically. */
896 int children = con_num_children(con);
898 DLOG("Container empty, closing\n");
899 tree_close(con, DONT_KILL_WINDOW, false);
905 * Determines the minimum size of the given con by looking at its children (for
906 * split/stacked/tabbed cons). Will be called when resizing floating cons
909 Rect con_minimum_size(Con *con) {
910 DLOG("Determining minimum size for con %p\n", con);
912 if (con_is_leaf(con)) {
913 DLOG("leaf node, returning 75x50\n");
914 return (Rect){ 0, 0, 75, 50 };
917 if (con->type == CT_FLOATING_CON) {
918 DLOG("floating con\n");
919 Con *child = TAILQ_FIRST(&(con->nodes_head));
920 return con_minimum_size(child);
923 if (con->layout == L_STACKED || con->layout == L_TABBED) {
924 uint32_t max_width = 0, max_height = 0, deco_height = 0;
926 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
927 Rect min = con_minimum_size(child);
928 deco_height += child->deco_rect.height;
929 max_width = max(max_width, min.width);
930 max_height = max(max_height, min.height);
932 DLOG("stacked/tabbed now, returning %d x %d + deco_rect = %d\n",
933 max_width, max_height, deco_height);
934 return (Rect){ 0, 0, max_width, max_height + deco_height };
937 /* For horizontal/vertical split containers we sum up the width (h-split)
938 * or height (v-split) and use the maximum of the height (h-split) or width
939 * (v-split) as minimum size. */
940 if (con->orientation == HORIZ || con->orientation == VERT) {
941 uint32_t width = 0, height = 0;
943 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
944 Rect min = con_minimum_size(child);
945 if (con->orientation == HORIZ) {
947 height = max(height, min.height);
949 height += min.height;
950 width = max(width, min.width);
953 DLOG("split container, returning width = %d x height = %d\n", width, height);
954 return (Rect){ 0, 0, width, height };
957 ELOG("Unhandled case, type = %d, layout = %d, orientation = %d\n",
958 con->type, con->layout, con->orientation);