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)
10 #include <xcb/xcb_atom.h>
11 #include <xcb/randr.h>
13 #include <X11/XKBlib.h>
17 /* After mapping/unmapping windows, a notify event is generated. However, we don’t want it,
18 since it’d trigger an infinite loop of switching between the different windows when
19 changing workspaces */
20 static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events;
22 void add_ignore_event(const int sequence) {
23 struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
25 event->sequence = sequence;
26 event->added = time(NULL);
28 SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
32 * Checks if the given sequence is ignored and returns true if so.
35 static bool event_is_ignored(const int sequence) {
36 struct Ignore_Event *event;
37 time_t now = time(NULL);
38 for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
39 if ((now - event->added) > 5) {
40 struct Ignore_Event *save = event;
41 event = SLIST_NEXT(event, ignore_events);
42 SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events);
44 } else event = SLIST_NEXT(event, ignore_events);
47 SLIST_FOREACH(event, &ignore_events, ignore_events) {
48 if (event->sequence != sequence)
51 /* instead of removing a sequence number we better wait until it gets
52 * garbage collected. it may generate multiple events (there are multiple
53 * enter_notifies for one configure_request, for example). */
54 //SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events);
63 * There was a key press. We compare this key code with our bindings table and pass
64 * the bound action to parse_command().
67 int handle_key_press(void *ignored, xcb_connection_t *conn, xcb_key_press_event_t *event) {
68 DLOG("Keypress %d, state raw = %d\n", event->detail, event->state);
70 /* Remove the numlock bit, all other bits are modifiers we can bind to */
71 uint16_t state_filtered = event->state & ~(xcb_numlock_mask | XCB_MOD_MASK_LOCK);
72 DLOG("(removed numlock, state = %d)\n", state_filtered);
73 /* Only use the lower 8 bits of the state (modifier masks) so that mouse
74 * button masks are filtered out */
75 state_filtered &= 0xFF;
76 DLOG("(removed upper 8 bits, state = %d)\n", state_filtered);
78 if (xkb_current_group == XkbGroup2Index)
79 state_filtered |= BIND_MODE_SWITCH;
81 DLOG("(checked mode_switch, state %d)\n", state_filtered);
83 /* Find the binding */
84 Binding *bind = get_binding(state_filtered, event->detail);
86 /* No match? Then the user has Mode_switch enabled but does not have a
87 * specific keybinding. Fall back to the default keybindings (without
88 * Mode_switch). Makes it much more convenient for users of a hybrid
89 * layout (like us, ru). */
91 state_filtered &= ~(BIND_MODE_SWITCH);
92 DLOG("no match, new state_filtered = %d\n", state_filtered);
93 if ((bind = get_binding(state_filtered, event->detail)) == NULL) {
94 ELOG("Could not lookup key binding (modifiers %d, keycode %d)\n",
95 state_filtered, event->detail);
100 parse_cmd(bind->command);
106 * Called with coordinates of an enter_notify event or motion_notify event
107 * to check if the user crossed virtual screen boundaries and adjust the
108 * current workspace, if so.
111 static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
114 /* If the user disable focus follows mouse, we have nothing to do here */
115 if (config.disable_focus_follows_mouse)
118 if ((output = get_output_containing(x, y)) == NULL) {
119 ELOG("ERROR: No such screen\n");
123 if (output->con == NULL) {
124 ELOG("ERROR: The screen is not recognized by i3 (no container associated)\n");
128 /* Focus the output on which the user moved his cursor */
129 Con *old_focused = focused;
130 con_focus(con_descend_focused(output_get_content(output->con)));
132 /* If the focus changed, we re-render to get updated decorations */
133 if (old_focused != focused)
138 * When the user moves the mouse pointer onto a window, this callback gets called.
141 int handle_enter_notify(void *ignored, xcb_connection_t *conn,
142 xcb_enter_notify_event_t *event) {
145 DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
146 event->event, event->mode, event->detail, event->sequence);
147 DLOG("coordinates %d, %d\n", event->event_x, event->event_y);
148 if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
149 DLOG("This was not a normal notify, ignoring\n");
152 /* Some events are not interesting, because they were not generated
153 * actively by the user, but by reconfiguration of windows */
154 if (event_is_ignored(event->sequence))
157 bool enter_child = false;
158 /* Get container by frame or by child window */
159 if ((con = con_by_frame_id(event->event)) == NULL) {
160 con = con_by_window_id(event->event);
164 /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
166 DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
167 check_crossing_screen_boundary(event->root_x, event->root_y);
171 if (con->parent->type == CT_DOCKAREA) {
172 DLOG("Ignoring, this is a dock client\n");
176 /* see if the user entered the window on a certain window decoration */
177 int layout = (enter_child ? con->parent->layout : con->layout);
179 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
180 if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
181 LOG("using child %p / %s instead!\n", child, child->name);
186 /* for stacked/tabbed layout we do not want to change focus when the user
187 * enters the window at the decoration of any child window. */
188 if (layout == L_STACKED || layout == L_TABBED) {
189 con = TAILQ_FIRST(&(con->parent->focus_head));
190 LOG("using focused %p / %s instead\n", con, con->name);
194 if (client->workspace != c_ws && client->workspace->output == c_ws->output) {
195 /* This can happen when a client gets assigned to a different workspace than
196 * the current one (see src/mainx.c:reparent_window). Shortly after it was created,
197 * an enter_notify will follow. */
198 DLOG("enter_notify for a client on a different workspace but the same screen, ignoring\n");
203 if (config.disable_focus_follows_mouse)
206 con_focus(con_descend_focused(con));
213 * When the user moves the mouse but does not change the active window
214 * (e.g. when having no windows opened but moving mouse on the root screen
215 * and crossing virtual screen boundaries), this callback gets called.
218 int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notify_event_t *event) {
219 /* Skip events where the pointer was over a child window, we are only
220 * interested in events on the root window. */
221 if (event->child != 0)
225 if ((con = con_by_frame_id(event->event)) == NULL) {
226 check_crossing_screen_boundary(event->root_x, event->root_y);
230 if (config.disable_focus_follows_mouse)
233 if (con->layout != L_DEFAULT)
236 /* see over which rect the user is */
238 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
239 if (!rect_contains(current->deco_rect, event->event_x, event->event_y))
242 /* We found the rect, let’s see if this window is focused */
243 if (TAILQ_FIRST(&(con->focus_head)) == current)
247 x_push_changes(croot);
255 * Called when the keyboard mapping changes (for example by using Xmodmap),
256 * we need to update our key bindings then (re-translate symbols).
259 int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_notify_event_t *event) {
260 if (event->request != XCB_MAPPING_KEYBOARD &&
261 event->request != XCB_MAPPING_MODIFIER)
264 DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
265 xcb_refresh_keyboard_mapping(keysyms, event);
267 xcb_get_numlock_mask(conn);
269 ungrab_all_keys(conn);
271 grab_all_keys(conn, false);
277 * A new window appeared on the screen (=was mapped), so let’s manage it.
280 int handle_map_request(void *prophs, xcb_connection_t *conn, xcb_map_request_event_t *event) {
281 xcb_get_window_attributes_cookie_t cookie;
283 cookie = xcb_get_window_attributes_unchecked(conn, event->window);
285 DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
286 add_ignore_event(event->sequence);
288 manage_window(event->window, cookie, false);
289 x_push_changes(croot);
294 * Configure requests are received when the application wants to resize windows on their own.
296 * We generate a synthethic configure notify event to signalize the client its "new" position.
299 int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure_request_event_t *event) {
302 DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
303 event->window, event->x, event->y, event->width, event->height);
305 /* For unmanaged windows, we just execute the configure request. As soon as
306 * it gets mapped, we will take over anyways. */
307 if ((con = con_by_window_id(event->window)) == NULL) {
308 DLOG("Configure request for unmanaged window, can do that.\n");
313 #define COPY_MASK_MEMBER(mask_member, event_member) do { \
314 if (event->value_mask & mask_member) { \
315 mask |= mask_member; \
316 values[c++] = event->event_member; \
320 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
321 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
322 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
323 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
324 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
325 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
326 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
328 xcb_configure_window(conn, event->window, mask, values);
334 DLOG("Configure request!\n");
335 if (con_is_floating(con) && con_is_leaf(con)) {
336 /* find the height for the decorations */
337 int deco_height = config.font.height + 5;
338 /* we actually need to apply the size/position changes to the *parent*
340 Rect bsr = con_border_style_rect(con);
341 if (con->border_style == BS_NORMAL) {
342 bsr.y += deco_height;
343 bsr.height -= deco_height;
346 DLOG("Container is a floating leaf node, will do that.\n");
347 if (event->value_mask & XCB_CONFIG_WINDOW_X) {
348 con->rect.x = event->x + (-1) * bsr.x;
349 DLOG("proposed x = %d, new x is %d\n", event->x, con->rect.x);
351 if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
352 con->rect.y = event->y + (-1) * bsr.y;
353 DLOG("proposed y = %d, new y is %d\n", event->y, con->rect.y);
355 if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
356 con->rect.width = event->width + (-1) * bsr.width;
357 DLOG("proposed width = %d, new width is %d\n", event->width, con->rect.width);
359 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
360 con->rect.height = event->height + (-1) * bsr.height;
361 DLOG("proposed height = %d, new height is %d\n", event->height, con->rect.height);
366 fake_absolute_configure_notify(con);
370 /* Dock clients can be reconfigured in their height */
372 DLOG("Reconfiguring height of this dock client\n");
374 if (!(event->value_mask & XCB_CONFIG_WINDOW_HEIGHT)) {
375 DLOG("Ignoring configure request, no height given\n");
379 client->desired_height = event->height;
380 render_workspace(conn, c_ws->output, c_ws);
386 if (client->fullscreen) {
387 DLOG("Client is in fullscreen mode\n");
389 Rect child_rect = client->container->workspace->rect;
390 child_rect.x = child_rect.y = 0;
391 fake_configure_notify(conn, child_rect, client->child);
396 fake_absolute_configure_notify(conn, client);
404 * Configuration notifies are only handled because we need to set up ignore for
405 * the following enter notify events.
408 int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event) {
409 DLOG("configure_event, sequence %d\n", event->sequence);
410 /* We ignore this sequence twice because events for child and frame should be ignored */
411 add_ignore_event(event->sequence);
412 add_ignore_event(event->sequence);
419 * Gets triggered upon a RandR screen change event, that is when the user
420 * changes the screen configuration in any way (mode, position, …)
423 int handle_screen_change(void *prophs, xcb_connection_t *conn,
424 xcb_generic_event_t *e) {
425 DLOG("RandR screen change\n");
427 randr_query_outputs();
429 ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
435 * Our window decorations were unmapped. That means, the window will be killed
436 * now, so we better clean up before.
439 int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_notify_event_t *event) {
441 /* FIXME: we cannot ignore this sequence because more UnmapNotifys with the same sequence
442 * numbers but different window IDs may follow */
443 /* we need to ignore EnterNotify events which will be generated because a
444 * different window is visible now */
445 //add_ignore_event(event->sequence);
447 DLOG("UnmapNotify for 0x%08x (received from 0x%08x), serial %d\n", event->window, event->event, event->sequence);
448 Con *con = con_by_window_id(event->window);
450 /* This could also be an UnmapNotify for the frame. We need to
451 * decrement the ignore_unmap counter. */
452 con = con_by_frame_id(event->window);
454 LOG("Not a managed window, ignoring UnmapNotify event\n");
457 if (con->ignore_unmap > 0)
459 DLOG("ignore_unmap = %d for frame of container %p\n", con->ignore_unmap, con);
463 if (con->ignore_unmap > 0) {
464 DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
469 tree_close(con, false, false);
471 x_push_changes(croot);
475 if (client == NULL) {
476 DLOG("not a managed window. Ignoring.\n");
478 /* This was most likely the destroyed frame of a client which is
479 * currently being unmapped, so we add this sequence (again!) to
480 * the ignore list (enter_notify events will get sent for both,
481 * the child and its frame). */
482 add_ignore_event(event->sequence);
490 /* Let’s see how many clients there are left on the workspace to delete it if it’s empty */
491 bool workspace_empty = SLIST_EMPTY(&(client->workspace->focus_stack));
492 bool workspace_focused = (c_ws == client->workspace);
493 Client *to_focus = (!workspace_empty ? SLIST_FIRST(&(client->workspace->focus_stack)) : NULL);
495 /* If this workspace is currently visible, we don’t delete it */
496 if (workspace_is_visible(client->workspace))
497 workspace_empty = false;
499 if (workspace_empty) {
500 client->workspace->output = NULL;
501 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
504 /* Remove the urgency flag if set */
505 client->urgent = false;
506 workspace_update_urgent_flag(client->workspace);
515 * A destroy notify event is sent when the window is not unmapped, but
516 * immediately destroyed (for example when starting a window and immediately
517 * killing the program which started it).
519 * We just pass on the event to the unmap notify handler (by copying the
520 * important fields in the event data structure).
523 int handle_destroy_notify_event(void *data, xcb_connection_t *conn, xcb_destroy_notify_event_t *event) {
524 DLOG("destroy notify for 0x%08x, 0x%08x\n", event->event, event->window);
526 xcb_unmap_notify_event_t unmap;
527 unmap.sequence = event->sequence;
528 unmap.event = event->event;
529 unmap.window = event->window;
531 return handle_unmap_notify_event(NULL, conn, &unmap);
535 * Called when a window changes its title
538 int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
539 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
541 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
544 window_update_name(con->window, prop);
546 x_push_changes(croot);
552 * Handles legacy window name updates (WM_NAME), see also src/window.c,
553 * window_update_name_legacy().
556 int handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state,
557 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
559 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
562 window_update_name_legacy(con->window, prop);
564 x_push_changes(croot);
570 * Updates the client’s WM_CLASS property
573 int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
574 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
576 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
579 window_update_class(con->window, prop);
585 * Expose event means we should redraw our windows (= title bar)
588 int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) {
591 /* event->count is the number of minimum remaining expose events for this
592 * window, so we skip all events but the last one */
593 if (event->count != 0)
596 DLOG("window = %08x\n", event->window);
598 if ((parent = con_by_frame_id(event->window)) == NULL) {
599 LOG("expose event for unknown window, ignoring\n");
604 x_draw_decoration(parent);
606 TAILQ_FOREACH(con, &(parent->nodes_head), nodes) {
607 DLOG("expose for con %p / %s\n", con, con->name);
609 x_draw_decoration(con);
612 /* We also need to render the decorations of other Cons nearby the Con
613 * itself to not get overlapping decorations */
614 TAILQ_FOREACH(con, &(parent->parent->nodes_head), nodes) {
615 DLOG("expose for con %p / %s\n", con, con->name);
617 x_draw_decoration(con);
625 * Handle client messages (EWMH)
628 int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) {
629 LOG("ClientMessage for window 0x%08x\n", event->window);
630 if (event->type == atoms[_NET_WM_STATE]) {
631 if (event->format != 32 || event->data.data32[1] != atoms[_NET_WM_STATE_FULLSCREEN]) {
632 DLOG("atom in clientmessage is %d, fullscreen is %d\n",
633 event->data.data32[1], atoms[_NET_WM_STATE_FULLSCREEN]);
634 DLOG("not about fullscreen atom\n");
638 Con *con = con_by_window_id(event->window);
640 DLOG("Could not get window for client message\n");
644 /* Check if the fullscreen state should be toggled */
645 if ((con->fullscreen_mode != CF_NONE &&
646 (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
647 event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
648 (con->fullscreen_mode == CF_NONE &&
649 (event->data.data32[0] == _NET_WM_STATE_ADD ||
650 event->data.data32[0] == _NET_WM_STATE_TOGGLE))) {
651 DLOG("toggling fullscreen\n");
652 con_toggle_fullscreen(con);
656 x_push_changes(croot);
658 ELOG("unhandled clientmessage\n");
666 int handle_window_type(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
667 xcb_atom_t atom, xcb_get_property_reply_t *property) {
668 /* TODO: Implement this one. To do this, implement a little test program which sleep(1)s
669 before changing this property. */
670 ELOG("_NET_WM_WINDOW_TYPE changed, this is not yet implemented.\n");
676 * Handles the size hints set by a window, but currently only the part necessary for displaying
677 * clients proportionally inside their frames (mplayer for example)
679 * See ICCCM 4.1.2.3 for more details
682 int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
683 xcb_atom_t name, xcb_get_property_reply_t *reply) {
684 Con *con = con_by_window_id(window);
686 DLOG("Received WM_NORMAL_HINTS for unknown client\n");
690 xcb_size_hints_t size_hints;
692 //CLIENT_LOG(client);
694 /* If the hints were already in this event, use them, if not, request them */
696 xcb_get_wm_size_hints_from_reply(&size_hints, reply);
698 xcb_get_wm_normal_hints_reply(conn, xcb_get_wm_normal_hints_unchecked(conn, con->window->id), &size_hints, NULL);
700 if ((size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE)) {
701 // TODO: Minimum size is not yet implemented
702 DLOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height);
705 bool changed = false;
706 if ((size_hints.flags & XCB_SIZE_HINT_P_RESIZE_INC)) {
707 if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF)
708 if (con->width_increment != size_hints.width_inc) {
709 con->width_increment = size_hints.width_inc;
712 if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF)
713 if (con->height_increment != size_hints.height_inc) {
714 con->height_increment = size_hints.height_inc;
719 DLOG("resize increments changed\n");
722 int base_width = 0, base_height = 0;
724 /* base_width/height are the desired size of the window.
725 We check if either the program-specified size or the program-specified
726 min-size is available */
727 if (size_hints.flags & XCB_SIZE_HINT_BASE_SIZE) {
728 base_width = size_hints.base_width;
729 base_height = size_hints.base_height;
730 } else if (size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
731 /* TODO: is this right? icccm says not */
732 base_width = size_hints.min_width;
733 base_height = size_hints.min_height;
736 if (base_width != con->base_width ||
737 base_height != con->base_height) {
738 con->base_width = base_width;
739 con->base_height = base_height;
740 DLOG("client's base_height changed to %d\n", base_height);
741 DLOG("client's base_width changed to %d\n", base_width);
744 /* If no aspect ratio was set or if it was invalid, we ignore the hints */
745 if (!(size_hints.flags & XCB_SIZE_HINT_P_ASPECT) ||
746 (size_hints.min_aspect_num <= 0) ||
747 (size_hints.min_aspect_den <= 0)) {
748 goto render_and_return;
751 /* XXX: do we really use rect here, not window_rect? */
752 double width = con->rect.width - base_width;
753 double height = con->rect.height - base_height;
754 /* Convert numerator/denominator to a double */
755 double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den;
756 double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den;
758 DLOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect);
759 DLOG("width = %f, height = %f\n", width, height);
761 /* Sanity checks, this is user-input, in a way */
762 if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0)
763 goto render_and_return;
765 /* Check if we need to set proportional_* variables using the correct ratio */
766 if ((width / height) < min_aspect) {
767 con->proportional_width = width;
768 con->proportional_height = width / min_aspect;
769 } else if ((width / height) > max_aspect) {
770 con->proportional_width = width;
771 con->proportional_height = width / max_aspect;
772 } else goto render_and_return;
780 * Handles the WM_HINTS property for extracting the urgency state of the window.
783 int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
784 xcb_atom_t name, xcb_get_property_reply_t *reply) {
785 Con *con = con_by_window_id(window);
787 DLOG("Received WM_HINTS for unknown client\n");
791 xcb_wm_hints_t hints;
794 if (!xcb_get_wm_hints_from_reply(&hints, reply))
797 if (!xcb_get_wm_hints_reply(conn, xcb_get_wm_hints_unchecked(conn, con->window->id), &hints, NULL))
801 if (!con->urgent && focused == con) {
802 DLOG("Ignoring urgency flag for current client\n");
806 /* Update the flag on the client directly */
807 con->urgent = (xcb_wm_hints_get_urgency(&hints) != 0);
809 LOG("Urgency flag changed to %d\n", con->urgent);
811 workspace_update_urgent_flag(con_get_workspace(con));
814 /* If the workspace this client is on is not visible, we need to redraw
815 * the workspace bar */
816 if (!workspace_is_visible(client->workspace)) {
817 Output *output = client->workspace->output;
818 render_workspace(conn, output, output->current_workspace);
827 * Handles the transient for hints set by a window, signalizing that this window is a popup window
828 * for some other window.
830 * See ICCCM 4.1.2.6 for more details
833 int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
834 xcb_atom_t name, xcb_get_property_reply_t *prop) {
837 if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
838 DLOG("No such window\n");
843 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
844 false, window, WM_TRANSIENT_FOR, WINDOW, 0, 32), NULL);
849 window_update_transient_for(con->window, prop);
851 // TODO: put window in floating mode if con->window->transient_for != XCB_NONE:
853 if (client->floating == FLOATING_AUTO_OFF) {
854 DLOG("This is a popup window, putting into floating\n");
855 toggle_floating_mode(conn, client, true);
863 * Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
864 * toolwindow (or similar) and to which window it belongs (logical parent).
867 int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
868 xcb_atom_t name, xcb_get_property_reply_t *prop) {
870 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
874 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
875 false, window, WM_CLIENT_LEADER, WINDOW, 0, 32), NULL);
880 window_update_leader(con->window, prop);