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) {
36 Con *new = scalloc(sizeof(Con));
37 new->on_remove_child = con_on_remove_child;
38 TAILQ_INSERT_TAIL(&all_cons, new, all_cons);
40 new->border_style = config.default_border;
42 DLOG("opening window %d\n", cnt);
44 /* TODO: remove window coloring after test-phase */
45 DLOG("color %s\n", colors[cnt]);
46 new->name = strdup(colors[cnt]);
47 //uint32_t cp = get_colorpixel(colors[cnt]);
49 if ((cnt % (sizeof(colors) / sizeof(char*))) == 0)
54 // TODO: this needs to be integrated into src/x.c and updated on config file reloads
55 xcb_change_window_attributes(conn, new->frame, XCB_CW_BACK_PIXEL, &config.client.background);
57 TAILQ_INIT(&(new->floating_head));
58 TAILQ_INIT(&(new->nodes_head));
59 TAILQ_INIT(&(new->focus_head));
60 TAILQ_INIT(&(new->swallow_head));
63 /* Set layout of ws if this is the first child of the ws. */
64 if (parent->type == CT_WORKSPACE && con_is_leaf(parent)) {
65 con_set_layout(new, config.default_layout);
66 con_attach(new, parent, false);
67 con_set_layout(parent, config.default_layout);
69 con_attach(new, parent, false);
77 * Attaches the given container to the given parent. This happens when moving
78 * a container or when inserting a new container at a specific place in the
81 * ignore_focus is to just insert the Con at the end (useful when creating a
82 * new split container *around* some containers, that is, detaching and
83 * attaching them in order without wanting to mess with the focus in between).
86 void con_attach(Con *con, Con *parent, bool ignore_focus) {
90 struct nodes_head *nodes_head = &(parent->nodes_head);
92 /* Workspaces are handled differently: they need to be inserted at the
94 if (con->type == CT_WORKSPACE) {
95 DLOG("it's a workspace. num = %d\n", con->num);
96 if (con->num == -1 || TAILQ_EMPTY(nodes_head)) {
97 TAILQ_INSERT_TAIL(nodes_head, con, nodes);
99 current = TAILQ_FIRST(nodes_head);
100 if (con->num < current->num) {
101 /* we need to insert the container at the beginning */
102 TAILQ_INSERT_HEAD(nodes_head, con, nodes);
104 while (current->num != -1 && con->num > current->num) {
105 current = TAILQ_NEXT(current, nodes);
106 if (current == TAILQ_END(nodes_head)) {
111 /* we need to insert con after current, if current is not NULL */
113 TAILQ_INSERT_BEFORE(current, con, nodes);
114 else TAILQ_INSERT_TAIL(nodes_head, con, nodes);
117 goto add_to_focus_head;
120 if (con->type == CT_FLOATING_CON) {
121 DLOG("Inserting into floating containers\n");
122 TAILQ_INSERT_TAIL(&(parent->floating_head), con, floating_windows);
125 /* Get the first tiling container in focus stack */
126 TAILQ_FOREACH(loop, &(parent->focus_head), focused) {
127 if (loop->type == CT_FLOATING_CON)
134 /* Insert the container after the tiling container, if found.
135 * When adding to a CT_OUTPUT, just append one after another. */
136 if (current && parent->type != CT_OUTPUT) {
137 DLOG("Inserting con = %p after last focused tiling con %p\n",
139 TAILQ_INSERT_AFTER(nodes_head, current, con, nodes);
140 } else TAILQ_INSERT_TAIL(nodes_head, con, nodes);
144 /* We insert to the TAIL because con_focus() will correct this.
145 * This way, we have the option to insert Cons without having
147 TAILQ_INSERT_TAIL(&(parent->focus_head), con, focused);
151 * Detaches the given container from its current parent
154 void con_detach(Con *con) {
155 if (con->type == CT_FLOATING_CON) {
156 TAILQ_REMOVE(&(con->parent->floating_head), con, floating_windows);
157 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
159 TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
160 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
165 * Sets input focus to the given container. Will be updated in X11 in the next
166 * run of x_push_changes().
169 void con_focus(Con *con) {
171 DLOG("con_focus = %p\n", con);
173 /* 1: set focused-pointer to the new con */
174 /* 2: exchange the position of the container in focus stack of the parent all the way up */
175 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
176 TAILQ_INSERT_HEAD(&(con->parent->focus_head), con, focused);
177 if (con->parent->parent != NULL)
178 con_focus(con->parent);
183 workspace_update_urgent_flag(con_get_workspace(con));
185 DLOG("con_focus done = %p\n", con);
189 * Returns true when this node is a leaf node (has no children)
192 bool con_is_leaf(Con *con) {
193 return TAILQ_EMPTY(&(con->nodes_head));
197 * Returns true if this node accepts a window (if the node swallows windows,
198 * it might already have swallowed enough and cannot hold any more).
201 bool con_accepts_window(Con *con) {
202 /* 1: workspaces never accept direct windows */
203 if (con->type == CT_WORKSPACE)
206 if (con->orientation != NO_ORIENTATION) {
207 DLOG("container %p does not accepts windows, orientation != NO_ORIENTATION\n", con);
211 /* TODO: if this is a swallowing container, we need to check its max_clients */
212 return (con->window == NULL);
216 * Gets the output container (first container with CT_OUTPUT in hierarchy) this
220 Con *con_get_output(Con *con) {
222 while (result != NULL && result->type != CT_OUTPUT)
223 result = result->parent;
224 /* We must be able to get an output because focus can never be set higher
225 * in the tree (root node cannot be focused). */
226 assert(result != NULL);
231 * Gets the workspace container this node is on.
234 Con *con_get_workspace(Con *con) {
236 while (result != NULL && result->type != CT_WORKSPACE)
237 result = result->parent;
242 * Searches parenst of the given 'con' until it reaches one with the specified
243 * 'orientation'. Aborts when it comes across a floating_con.
246 Con *con_parent_with_orientation(Con *con, orientation_t orientation) {
247 DLOG("Searching for parent of Con %p with orientation %d\n", con, orientation);
248 Con *parent = con->parent;
249 if (parent->type == CT_FLOATING_CON)
251 while (con_orientation(parent) != orientation) {
252 DLOG("Need to go one level further up\n");
253 parent = parent->parent;
254 /* Abort when we reach a floating con */
255 if (parent && parent->type == CT_FLOATING_CON)
260 DLOG("Result: %p\n", parent);
265 * helper data structure for the breadth-first-search in
266 * con_get_fullscreen_con()
272 TAILQ_ENTRY(bfs_entry) entries;
276 * Returns the first fullscreen node below this node.
279 Con *con_get_fullscreen_con(Con *con) {
280 Con *current, *child;
282 /* TODO: is breadth-first-search really appropriate? (check as soon as
283 * fullscreen levels and fullscreen for containers is implemented) */
284 TAILQ_HEAD(bfs_head, bfs_entry) bfs_head = TAILQ_HEAD_INITIALIZER(bfs_head);
285 struct bfs_entry *entry = smalloc(sizeof(struct bfs_entry));
287 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
289 while (!TAILQ_EMPTY(&bfs_head)) {
290 entry = TAILQ_FIRST(&bfs_head);
291 current = entry->con;
292 if (current != con && current->fullscreen_mode != CF_NONE) {
293 /* empty the queue */
294 while (!TAILQ_EMPTY(&bfs_head)) {
295 entry = TAILQ_FIRST(&bfs_head);
296 TAILQ_REMOVE(&bfs_head, entry, entries);
302 TAILQ_REMOVE(&bfs_head, entry, entries);
305 TAILQ_FOREACH(child, &(current->nodes_head), nodes) {
306 entry = smalloc(sizeof(struct bfs_entry));
308 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
311 TAILQ_FOREACH(child, &(current->floating_head), floating_windows) {
312 entry = smalloc(sizeof(struct bfs_entry));
314 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
322 * Returns true if the node is floating.
325 bool con_is_floating(Con *con) {
327 DLOG("checking if con %p is floating\n", con);
328 return (con->floating >= FLOATING_AUTO_ON);
332 * Checks if the given container is either floating or inside some floating
333 * container. It returns the FLOATING_CON container.
336 Con *con_inside_floating(Con *con) {
338 if (con->type == CT_FLOATING_CON)
341 if (con->floating >= FLOATING_AUTO_ON)
344 if (con->type == CT_WORKSPACE || con->type == CT_OUTPUT)
347 return con_inside_floating(con->parent);
351 * Returns the container with the given client window ID or NULL if no such
355 Con *con_by_window_id(xcb_window_t window) {
357 TAILQ_FOREACH(con, &all_cons, all_cons)
358 if (con->window != NULL && con->window->id == window)
364 * Returns the container with the given frame ID or NULL if no such container
368 Con *con_by_frame_id(xcb_window_t frame) {
370 TAILQ_FOREACH(con, &all_cons, all_cons)
371 if (con->frame == frame)
377 * Returns the first container below 'con' which wants to swallow this window
381 Con *con_for_window(Con *con, i3Window *window, Match **store_match) {
384 DLOG("searching con for window %p starting at con %p\n", window, con);
385 DLOG("class == %s\n", window->class_class);
387 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
388 TAILQ_FOREACH(match, &(child->swallow_head), matches) {
389 if (!match_matches_window(match, window))
391 if (store_match != NULL)
392 *store_match = match;
395 Con *result = con_for_window(child, window, store_match);
400 TAILQ_FOREACH(child, &(con->floating_head), floating_windows) {
401 TAILQ_FOREACH(match, &(child->swallow_head), matches) {
402 if (!match_matches_window(match, window))
404 if (store_match != NULL)
405 *store_match = match;
408 Con *result = con_for_window(child, window, store_match);
417 * Returns the number of children of this container.
420 int con_num_children(Con *con) {
424 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
431 * Updates the percent attribute of the children of the given container. This
432 * function needs to be called when a window is added or removed from a
436 void con_fix_percent(Con *con) {
438 int children = con_num_children(con);
440 // calculate how much we have distributed and how many containers
441 // with a percentage set we have
443 int children_with_percent = 0;
444 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
445 if (child->percent > 0.0) {
446 total += child->percent;
447 ++children_with_percent;
451 // if there were children without a percentage set, set to a value that
452 // will make those children proportional to all others
453 if (children_with_percent != children) {
454 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
455 if (child->percent <= 0.0) {
456 if (children_with_percent == 0)
457 total += (child->percent = 1.0);
458 else total += (child->percent = total / children_with_percent);
463 // if we got a zero, just distribute the space equally, otherwise
464 // distribute according to the proportions we got
466 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
467 child->percent = 1.0 / children;
468 } else if (total != 1.0) {
469 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
470 child->percent /= total;
475 * Toggles fullscreen mode for the given container. Fullscreen mode will not be
476 * entered when there already is a fullscreen container on this workspace.
479 void con_toggle_fullscreen(Con *con) {
480 Con *workspace, *fullscreen;
482 if (con->type == CT_WORKSPACE) {
483 DLOG("You cannot make a workspace fullscreen.\n");
487 DLOG("toggling fullscreen for %p / %s\n", con, con->name);
488 if (con->fullscreen_mode == CF_NONE) {
489 /* 1: check if there already is a fullscreen con */
490 workspace = con_get_workspace(con);
491 if ((fullscreen = con_get_fullscreen_con(workspace)) != NULL) {
492 LOG("Not entering fullscreen mode, container (%p/%s) "
493 "already is in fullscreen mode\n",
494 fullscreen, fullscreen->name);
496 /* 2: enable fullscreen */
497 con->fullscreen_mode = CF_OUTPUT;
500 /* 1: disable fullscreen */
501 con->fullscreen_mode = CF_NONE;
503 DLOG("mode now: %d\n", con->fullscreen_mode);
505 /* update _NET_WM_STATE if this container has a window */
506 /* TODO: when a window is assigned to a container which is already
507 * fullscreened, this state needs to be pushed to the client, too */
508 if (con->window == NULL)
512 unsigned int num = 0;
514 if (con->fullscreen_mode != CF_NONE)
515 values[num++] = A__NET_WM_STATE_FULLSCREEN;
517 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
518 A__NET_WM_STATE, A_ATOM, 32, num, values);
522 * Moves the given container to the currently focused container on the given
524 * TODO: is there a better place for this function?
527 void con_move_to_workspace(Con *con, Con *workspace) {
528 if (con->type == CT_WORKSPACE) {
529 DLOG("Moving workspaces is not yet implemented.\n");
533 if (con_is_floating(con)) {
534 DLOG("Using FLOATINGCON instead\n");
538 Con *source_output = con_get_output(con),
539 *dest_output = con_get_output(workspace);
541 /* 1: save the container which is going to be focused after the current
542 * container is moved away */
543 Con *focus_next = con_next_focused(con);
545 /* 2: get the focused container of this workspace */
546 Con *next = con_descend_focused(workspace);
548 /* 3: we go up one level, but only when next is a normal container */
549 if (next->type != CT_WORKSPACE)
552 /* 4: if the target container is floating, we get the workspace instead.
553 * Only tiling windows need to get inserted next to the current container.
555 Con *floatingcon = con_inside_floating(next);
556 if (floatingcon != NULL) {
557 DLOG("floatingcon, going up even further\n");
558 next = floatingcon->parent;
561 DLOG("Re-attaching container to %p / %s\n", next, next->name);
562 /* 5: re-attach the con to the parent of this focused container */
563 Con *parent = con->parent;
565 con_attach(con, next, false);
567 /* 6: fix the percentages */
568 con_fix_percent(parent);
570 con_fix_percent(next);
572 /* 7: focus the con on the target workspace (the X focus is only updated by
573 * calling tree_render(), so for the "real" focus this is a no-op) */
576 /* 8: when moving to a visible workspace on a different output, we keep the
577 * con focused. Otherwise, we leave the focus on the current workspace as we
578 * don’t want to focus invisible workspaces */
579 if (source_output != dest_output &&
580 workspace_is_visible(workspace)) {
581 DLOG("Moved to a different output, focusing target");
583 con_focus(focus_next);
586 CALL(parent, on_remove_child);
590 * Returns the orientation of the given container (for stacked containers,
591 * vertical orientation is used regardless of the actual orientation of the
595 int con_orientation(Con *con) {
596 /* stacking containers behave like they are in vertical orientation */
597 if (con->layout == L_STACKED)
600 if (con->layout == L_TABBED)
603 return con->orientation;
607 * Returns the container which will be focused next when the given container
608 * is not available anymore. Called in tree_close and con_move_to_workspace
609 * to properly restore focus.
612 Con *con_next_focused(Con *con) {
614 /* floating containers are attached to a workspace, so we focus either the
615 * next floating container (if any) or the workspace itself. */
616 if (con->type == CT_FLOATING_CON) {
617 DLOG("selecting next for CT_FLOATING_CON\n");
618 next = TAILQ_NEXT(con, floating_windows);
619 if (next == TAILQ_END(&(parent->floating_head))) {
620 Con *ws = con_get_workspace(con);
622 DLOG("no more floating containers for next = %p, restoring workspace focus\n", next);
623 while (next != TAILQ_END(&(ws->focus_head)) && !TAILQ_EMPTY(&(next->focus_head))) {
624 next = TAILQ_FIRST(&(next->focus_head));
626 DLOG("skipping container itself, we want the next client\n");
627 next = TAILQ_NEXT(next, focused);
630 if (next == TAILQ_END(&(ws->focus_head))) {
631 DLOG("Focus list empty, returning ws\n");
638 /* dock clients cannot be focused, so we focus the workspace instead */
639 if (con->parent->type == CT_DOCKAREA) {
640 DLOG("selecting workspace for dock client\n");
641 return con_descend_focused(output_get_content(con->parent->parent));
644 /* if 'con' is not the first entry in the focus stack, use the first one as
645 * it’s currently focused already */
646 Con *first = TAILQ_FIRST(&(con->parent->focus_head));
648 DLOG("Using first entry %p\n", first);
651 /* try to focus the next container on the same level as this one or fall
652 * back to its parent */
653 if (!(next = TAILQ_NEXT(con, focused)))
657 /* now go down the focus stack as far as
658 * possible, excluding the current container */
659 while (!TAILQ_EMPTY(&(next->focus_head)) &&
660 TAILQ_FIRST(&(next->focus_head)) != con)
661 next = TAILQ_FIRST(&(next->focus_head));
667 * Get the next/previous container in the specified orientation. This may
668 * travel up until it finds a container with suitable orientation.
671 Con *con_get_next(Con *con, char way, orientation_t orientation) {
672 DLOG("con_get_next(way=%c, orientation=%d)\n", way, orientation);
673 /* 1: get the first parent with the same orientation */
675 while (con_orientation(cur->parent) != orientation) {
676 DLOG("need to go one level further up\n");
677 if (cur->parent->type == CT_WORKSPACE) {
678 LOG("that's a workspace, we can't go further up\n");
684 /* 2: chose next (or previous) */
687 next = TAILQ_NEXT(cur, nodes);
688 /* if we are at the end of the list, we need to wrap */
689 if (next == TAILQ_END(&(parent->nodes_head)))
692 next = TAILQ_PREV(cur, nodes_head, nodes);
693 /* if we are at the end of the list, we need to wrap */
694 if (next == TAILQ_END(&(cur->nodes_head)))
697 DLOG("next = %p\n", next);
703 * Returns the focused con inside this client, descending the tree as far as
704 * possible. This comes in handy when attaching a con to a workspace at the
705 * currently focused position, for example.
708 Con *con_descend_focused(Con *con) {
710 while (!TAILQ_EMPTY(&(next->focus_head)))
711 next = TAILQ_FIRST(&(next->focus_head));
716 * Returns the focused con inside this client, descending the tree as far as
717 * possible. This comes in handy when attaching a con to a workspace at the
718 * currently focused position, for example.
720 * Works like con_descend_focused but considers only tiling cons.
723 Con *con_descend_tiling_focused(Con *con) {
729 TAILQ_FOREACH(child, &(next->focus_head), focused) {
730 if (child->type == CT_FLOATING_CON)
736 } while (before != next);
742 * Returns a "relative" Rect which contains the amount of pixels that need to
743 * be added to the original Rect to get the final position (obviously the
744 * amount of pixels for normal, 1pixel and borderless are different).
747 Rect con_border_style_rect(Con *con) {
748 switch (con_border_style(con)) {
750 return (Rect){2, 0, -(2 * 2), -2};
753 return (Rect){1, 1, -2, -2};
756 return (Rect){0, 0, 0, 0};
764 * Use this function to get a container’s border style. This is important
765 * because when inside a stack, the border style is always BS_NORMAL.
766 * For tabbed mode, the same applies, with one exception: when the container is
767 * borderless and the only element in the tabbed container, the border is not
770 * For children of a CT_DOCKAREA, the border style is always none.
773 int con_border_style(Con *con) {
774 Con *fs = con_get_fullscreen_con(con->parent);
776 DLOG("this one is fullscreen! overriding BS_NONE\n");
780 if (con->parent->layout == L_STACKED)
781 return (con_num_children(con->parent) == 1 ? con->border_style : BS_NORMAL);
783 if (con->parent->layout == L_TABBED && con->border_style != BS_NORMAL)
784 return (con_num_children(con->parent) == 1 ? con->border_style : BS_NORMAL);
786 if (con->parent->type == CT_DOCKAREA)
789 return con->border_style;
793 * This function changes the layout of a given container. Use it to handle
794 * special cases like changing a whole workspace to stacked/tabbed (creates a
795 * new split container before).
798 void con_set_layout(Con *con, int layout) {
799 /* When the container type is CT_WORKSPACE, the user wants to change the
800 * whole workspace into stacked/tabbed mode. To do this and still allow
801 * intuitive operations (like level-up and then opening a new window), we
802 * need to create a new split container. */
803 if (con->type == CT_WORKSPACE) {
804 DLOG("Creating new split container\n");
805 /* 1: create a new split container */
806 Con *new = con_new(NULL);
809 /* 2: set the requested layout on the split con */
810 new->layout = layout;
812 /* 3: While the layout is irrelevant in stacked/tabbed mode, it needs
813 * to be set. Otherwise, this con will not be interpreted as a split
815 if (config.default_orientation == NO_ORIENTATION) {
816 new->orientation = (con->rect.height > con->rect.width) ? VERT : HORIZ;
818 new->orientation = config.default_orientation;
821 Con *old_focused = TAILQ_FIRST(&(con->focus_head));
822 if (old_focused == TAILQ_END(&(con->focus_head)))
825 /* 4: move the existing cons of this workspace below the new con */
826 DLOG("Moving cons\n");
828 while (!TAILQ_EMPTY(&(con->nodes_head))) {
829 child = TAILQ_FIRST(&(con->nodes_head));
831 con_attach(child, new, true);
834 /* 4: attach the new split container to the workspace */
835 DLOG("Attaching new split to ws\n");
836 con_attach(new, con, false);
839 con_focus(old_focused);
846 con->layout = layout;
850 * Callback which will be called when removing a child from the given con.
851 * Kills the container if it is empty and replaces it with the child if there
852 * is exactly one child.
855 static void con_on_remove_child(Con *con) {
856 DLOG("on_remove_child\n");
858 /* Every container 'above' (in the hierarchy) the workspace content should
859 * not be closed when the last child was removed */
860 if (con->type == CT_WORKSPACE ||
861 con->type == CT_OUTPUT ||
862 con->type == CT_ROOT ||
863 con->type == CT_DOCKAREA) {
864 DLOG("not handling, type = %d\n", con->type);
868 /* TODO: check if this container would swallow any other client and
869 * don’t close it automatically. */
870 int children = con_num_children(con);
872 DLOG("Container empty, closing\n");
873 tree_close(con, false, false);
879 * Determines the minimum size of the given con by looking at its children (for
880 * split/stacked/tabbed cons). Will be called when resizing floating cons
883 Rect con_minimum_size(Con *con) {
884 DLOG("Determining minimum size for con %p\n", con);
886 if (con_is_leaf(con)) {
887 DLOG("leaf node, returning 75x50\n");
888 return (Rect){ 0, 0, 75, 50 };
891 if (con->type == CT_FLOATING_CON) {
892 DLOG("floating con\n");
893 Con *child = TAILQ_FIRST(&(con->nodes_head));
894 return con_minimum_size(child);
897 if (con->layout == L_STACKED || con->layout == L_TABBED) {
898 uint32_t max_width = 0, max_height = 0, deco_height = 0;
900 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
901 Rect min = con_minimum_size(child);
902 deco_height += child->deco_rect.height;
903 max_width = max(max_width, min.width);
904 max_height = max(max_height, min.height);
906 DLOG("stacked/tabbed now, returning %d x %d + deco_rect = %d\n",
907 max_width, max_height, deco_height);
908 return (Rect){ 0, 0, max_width, max_height + deco_height };
911 /* For horizontal/vertical split containers we sum up the width (h-split)
912 * or height (v-split) and use the maximum of the height (h-split) or width
913 * (v-split) as minimum size. */
914 if (con->orientation == HORIZ || con->orientation == VERT) {
915 uint32_t width = 0, height = 0;
917 TAILQ_FOREACH(child, &(con->nodes_head), nodes) {
918 Rect min = con_minimum_size(child);
919 if (con->orientation == HORIZ) {
921 height = max(height, min.height);
923 height += min.height;
924 width = max(width, min.width);
927 DLOG("split container, returning width = %d x height = %d\n", width, height);
928 return (Rect){ 0, 0, width, height };
931 ELOG("Unhandled case, type = %d, layout = %d, orientation = %d\n",
932 con->type, con->layout, con->orientation);