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);
108 * Called with coordinates of an enter_notify event or motion_notify event
109 * to check if the user crossed virtual screen boundaries and adjust the
110 * current workspace, if so.
113 static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
116 if ((output = get_output_containing(x, y)) == NULL) {
117 ELOG("ERROR: No such screen\n");
120 if (output == c_ws->output)
123 c_ws->current_row = current_row;
124 c_ws->current_col = current_col;
125 c_ws = output->current_workspace;
126 current_row = c_ws->current_row;
127 current_col = c_ws->current_col;
128 DLOG("We're now on output %p\n", output);
130 /* While usually this function is only called when the user switches
131 * to a different output using his mouse (and thus the output is
132 * empty), it may be that the following race condition occurs:
133 * 1) the user actives a new output (say VGA1).
134 * 2) the cursor is sent to the first pixel of the new VGA1, thus
135 * generating an enter_notify for the screen (the enter_notify
136 * is not yet received by i3).
137 * 3) i3 requeries screen configuration and maps a workspace onto the
139 * 4) the enter_notify event arrives and c_ws is set to the new
140 * workspace but the existing windows on the new workspace are not
143 * Therefore, we re-set the focus here to be sure it’s correct. */
144 Client *first_client = SLIST_FIRST(&(c_ws->focus_stack));
145 if (first_client != NULL)
146 set_focus(global_conn, first_client, true);
151 * When the user moves the mouse pointer onto a window, this callback gets called.
154 int handle_enter_notify(void *ignored, xcb_connection_t *conn,
155 xcb_enter_notify_event_t *event) {
158 DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
159 event->event, event->mode, event->detail, event->sequence);
160 DLOG("coordinates %d, %d\n", event->event_x, event->event_y);
161 if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
162 DLOG("This was not a normal notify, ignoring\n");
165 /* Some events are not interesting, because they were not generated
166 * actively by the user, but by reconfiguration of windows */
167 if (event_is_ignored(event->sequence))
170 bool enter_child = false;
171 /* Get container by frame or by child window */
172 if ((con = con_by_frame_id(event->event)) == NULL) {
173 con = con_by_window_id(event->event);
177 /* If not, then the user moved his cursor to the root window. In that case, we adjust c_ws */
179 DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
180 //check_crossing_screen_boundary(event->root_x, event->root_y);
184 if (con->parent->type == CT_DOCKAREA) {
185 DLOG("Ignoring, this is a dock client\n");
189 /* see if the user entered the window on a certain window decoration */
190 int layout = (enter_child ? con->parent->layout : con->layout);
192 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
193 if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
194 LOG("using child %p / %s instead!\n", child, child->name);
199 /* for stacked/tabbed layout we do not want to change focus when the user
200 * enters the window at the decoration of any child window. */
201 if (layout == L_STACKED || layout == L_TABBED) {
202 con = TAILQ_FIRST(&(con->parent->focus_head));
203 LOG("using focused %p / %s instead\n", con, con->name);
207 if (client->workspace != c_ws && client->workspace->output == c_ws->output) {
208 /* This can happen when a client gets assigned to a different workspace than
209 * the current one (see src/mainx.c:reparent_window). Shortly after it was created,
210 * an enter_notify will follow. */
211 DLOG("enter_notify for a client on a different workspace but the same screen, ignoring\n");
216 if (config.disable_focus_follows_mouse)
219 con_focus(con_descend_focused(con));
220 x_push_changes(croot);
226 * When the user moves the mouse but does not change the active window
227 * (e.g. when having no windows opened but moving mouse on the root screen
228 * and crossing virtual screen boundaries), this callback gets called.
231 int handle_motion_notify(void *ignored, xcb_connection_t *conn, xcb_motion_notify_event_t *event) {
232 /* Skip events where the pointer was over a child window, we are only
233 * interested in events on the root window. */
234 if (event->child != 0)
238 if ((con = con_by_frame_id(event->event)) == NULL) {
239 /* TODO; handle root window: */
240 //check_crossing_screen_boundary(event->root_x, event->root_y);
244 if (config.disable_focus_follows_mouse)
247 if (con->layout != L_DEFAULT)
250 /* see over which rect the user is */
252 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
253 if (!rect_contains(current->deco_rect, event->event_x, event->event_y))
256 /* We found the rect, let’s see if this window is focused */
257 if (TAILQ_FIRST(&(con->focus_head)) == current)
261 x_push_changes(croot);
270 * Called when the keyboard mapping changes (for example by using Xmodmap),
271 * we need to update our key bindings then (re-translate symbols).
274 int handle_mapping_notify(void *ignored, xcb_connection_t *conn, xcb_mapping_notify_event_t *event) {
275 if (event->request != XCB_MAPPING_KEYBOARD &&
276 event->request != XCB_MAPPING_MODIFIER)
279 DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
280 xcb_refresh_keyboard_mapping(keysyms, event);
282 xcb_get_numlock_mask(conn);
284 ungrab_all_keys(conn);
286 grab_all_keys(conn, false);
293 * A new window appeared on the screen (=was mapped), so let’s manage it.
296 int handle_map_request(void *prophs, xcb_connection_t *conn, xcb_map_request_event_t *event) {
297 xcb_get_window_attributes_cookie_t cookie;
299 cookie = xcb_get_window_attributes_unchecked(conn, event->window);
301 DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
302 add_ignore_event(event->sequence);
304 manage_window(event->window, cookie, false);
305 x_push_changes(croot);
310 * Configure requests are received when the application wants to resize windows on their own.
312 * We generate a synthethic configure notify event to signalize the client its "new" position.
315 int handle_configure_request(void *prophs, xcb_connection_t *conn, xcb_configure_request_event_t *event) {
318 DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
319 event->window, event->x, event->y, event->width, event->height);
321 /* For unmanaged windows, we just execute the configure request. As soon as
322 * it gets mapped, we will take over anyways. */
323 if ((con = con_by_window_id(event->window)) == NULL) {
324 DLOG("Configure request for unmanaged window, can do that.\n");
329 #define COPY_MASK_MEMBER(mask_member, event_member) do { \
330 if (event->value_mask & mask_member) { \
331 mask |= mask_member; \
332 values[c++] = event->event_member; \
336 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
337 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
338 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
339 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
340 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
341 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
342 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
344 xcb_configure_window(conn, event->window, mask, values);
350 DLOG("Configure request!\n");
351 if (con_is_floating(con) && con_is_leaf(con)) {
352 /* find the height for the decorations */
353 i3Font *font = load_font(conn, config.font);
354 int deco_height = font->height + 5;
355 /* we actually need to apply the size/position changes to the *parent*
357 Rect bsr = con_border_style_rect(con);
358 if (con->border_style == BS_NORMAL) {
359 bsr.y += deco_height;
360 bsr.height -= deco_height;
363 DLOG("Container is a floating leaf node, will do that.\n");
364 if (event->value_mask & XCB_CONFIG_WINDOW_X) {
365 con->rect.x = event->x + (-1) * bsr.x;
366 DLOG("proposed x = %d, new x is %d\n", event->x, con->rect.x);
368 if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
369 con->rect.y = event->y + (-1) * bsr.y;
370 DLOG("proposed y = %d, new y is %d\n", event->y, con->rect.y);
372 if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
373 con->rect.width = event->width + (-1) * bsr.width;
374 DLOG("proposed width = %d, new width is %d\n", event->width, con->rect.width);
376 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
377 con->rect.height = event->height + (-1) * bsr.height;
378 DLOG("proposed height = %d, new height is %d\n", event->height, con->rect.height);
383 fake_absolute_configure_notify(con);
387 /* Dock clients can be reconfigured in their height */
389 DLOG("Reconfiguring height of this dock client\n");
391 if (!(event->value_mask & XCB_CONFIG_WINDOW_HEIGHT)) {
392 DLOG("Ignoring configure request, no height given\n");
396 client->desired_height = event->height;
397 render_workspace(conn, c_ws->output, c_ws);
403 if (client->fullscreen) {
404 DLOG("Client is in fullscreen mode\n");
406 Rect child_rect = client->container->workspace->rect;
407 child_rect.x = child_rect.y = 0;
408 fake_configure_notify(conn, child_rect, client->child);
413 fake_absolute_configure_notify(conn, client);
421 * Configuration notifies are only handled because we need to set up ignore for
422 * the following enter notify events.
425 int handle_configure_event(void *prophs, xcb_connection_t *conn, xcb_configure_notify_event_t *event) {
426 DLOG("configure_event, sequence %d\n", event->sequence);
427 /* We ignore this sequence twice because events for child and frame should be ignored */
428 add_ignore_event(event->sequence);
429 add_ignore_event(event->sequence);
436 * Gets triggered upon a RandR screen change event, that is when the user
437 * changes the screen configuration in any way (mode, position, …)
440 int handle_screen_change(void *prophs, xcb_connection_t *conn,
441 xcb_generic_event_t *e) {
442 DLOG("RandR screen change\n");
444 randr_query_outputs();
446 ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
452 * Our window decorations were unmapped. That means, the window will be killed
453 * now, so we better clean up before.
456 int handle_unmap_notify_event(void *data, xcb_connection_t *conn, xcb_unmap_notify_event_t *event) {
458 /* FIXME: we cannot ignore this sequence because more UnmapNotifys with the same sequence
459 * numbers but different window IDs may follow */
460 /* we need to ignore EnterNotify events which will be generated because a
461 * different window is visible now */
462 //add_ignore_event(event->sequence);
464 DLOG("UnmapNotify for 0x%08x (received from 0x%08x), serial %d\n", event->window, event->event, event->sequence);
465 Con *con = con_by_window_id(event->window);
467 /* This could also be an UnmapNotify for the frame. We need to
468 * decrement the ignore_unmap counter. */
469 con = con_by_frame_id(event->window);
471 LOG("Not a managed window, ignoring UnmapNotify event\n");
474 if (con->ignore_unmap > 0)
476 DLOG("ignore_unmap = %d for frame of container %p\n", con->ignore_unmap, con);
480 if (con->ignore_unmap > 0) {
481 DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
486 tree_close(con, false, false);
488 x_push_changes(croot);
492 if (client == NULL) {
493 DLOG("not a managed window. Ignoring.\n");
495 /* This was most likely the destroyed frame of a client which is
496 * currently being unmapped, so we add this sequence (again!) to
497 * the ignore list (enter_notify events will get sent for both,
498 * the child and its frame). */
499 add_ignore_event(event->sequence);
507 /* Let’s see how many clients there are left on the workspace to delete it if it’s empty */
508 bool workspace_empty = SLIST_EMPTY(&(client->workspace->focus_stack));
509 bool workspace_focused = (c_ws == client->workspace);
510 Client *to_focus = (!workspace_empty ? SLIST_FIRST(&(client->workspace->focus_stack)) : NULL);
512 /* If this workspace is currently visible, we don’t delete it */
513 if (workspace_is_visible(client->workspace))
514 workspace_empty = false;
516 if (workspace_empty) {
517 client->workspace->output = NULL;
518 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"empty\"}");
521 /* Remove the urgency flag if set */
522 client->urgent = false;
523 workspace_update_urgent_flag(client->workspace);
532 * A destroy notify event is sent when the window is not unmapped, but
533 * immediately destroyed (for example when starting a window and immediately
534 * killing the program which started it).
536 * We just pass on the event to the unmap notify handler (by copying the
537 * important fields in the event data structure).
540 int handle_destroy_notify_event(void *data, xcb_connection_t *conn, xcb_destroy_notify_event_t *event) {
541 DLOG("destroy notify for 0x%08x, 0x%08x\n", event->event, event->window);
543 xcb_unmap_notify_event_t unmap;
544 unmap.sequence = event->sequence;
545 unmap.event = event->event;
546 unmap.window = event->window;
548 return handle_unmap_notify_event(NULL, conn, &unmap);
552 * Called when a window changes its title
555 int handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
556 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
558 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
561 window_update_name(con->window, prop);
563 x_push_changes(croot);
569 * Handles legacy window name updates (WM_NAME), see also src/window.c,
570 * window_update_name_legacy().
573 int handle_windowname_change_legacy(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_name_legacy(con->window, prop);
581 x_push_changes(croot);
587 * Updates the client’s WM_CLASS property
590 int handle_windowclass_change(void *data, xcb_connection_t *conn, uint8_t state,
591 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
593 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
596 window_update_class(con->window, prop);
602 * Expose event means we should redraw our windows (= title bar)
605 int handle_expose_event(void *data, xcb_connection_t *conn, xcb_expose_event_t *event) {
608 /* event->count is the number of minimum remaining expose events for this
609 * window, so we skip all events but the last one */
610 if (event->count != 0)
613 DLOG("window = %08x\n", event->window);
615 if ((parent = con_by_frame_id(event->window)) == NULL) {
616 LOG("expose event for unknown window, ignoring\n");
621 x_draw_decoration(parent);
623 TAILQ_FOREACH(con, &(parent->nodes_head), nodes) {
624 DLOG("expose for con %p / %s\n", con, con->name);
626 x_draw_decoration(con);
629 /* We also need to render the decorations of other Cons nearby the Con
630 * itself to not get overlapping decorations */
631 TAILQ_FOREACH(con, &(parent->parent->nodes_head), nodes) {
632 DLOG("expose for con %p / %s\n", con, con->name);
634 x_draw_decoration(con);
642 * Handle client messages (EWMH)
645 int handle_client_message(void *data, xcb_connection_t *conn, xcb_client_message_event_t *event) {
646 LOG("ClientMessage for window 0x%08x\n", event->window);
647 if (event->type == atoms[_NET_WM_STATE]) {
648 if (event->format != 32 || event->data.data32[1] != atoms[_NET_WM_STATE_FULLSCREEN]) {
649 DLOG("atom in clientmessage is %d, fullscreen is %d\n",
650 event->data.data32[1], atoms[_NET_WM_STATE_FULLSCREEN]);
651 DLOG("not about fullscreen atom\n");
655 Con *con = con_by_window_id(event->window);
657 DLOG("Could not get window for client message\n");
661 /* Check if the fullscreen state should be toggled */
662 if ((con->fullscreen_mode != CF_NONE &&
663 (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
664 event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
665 (con->fullscreen_mode == CF_NONE &&
666 (event->data.data32[0] == _NET_WM_STATE_ADD ||
667 event->data.data32[0] == _NET_WM_STATE_TOGGLE))) {
668 DLOG("toggling fullscreen\n");
669 con_toggle_fullscreen(con);
673 x_push_changes(croot);
675 ELOG("unhandled clientmessage\n");
683 int handle_window_type(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
684 xcb_atom_t atom, xcb_get_property_reply_t *property) {
685 /* TODO: Implement this one. To do this, implement a little test program which sleep(1)s
686 before changing this property. */
687 ELOG("_NET_WM_WINDOW_TYPE changed, this is not yet implemented.\n");
693 * Handles the size hints set by a window, but currently only the part necessary for displaying
694 * clients proportionally inside their frames (mplayer for example)
696 * See ICCCM 4.1.2.3 for more details
699 int handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
700 xcb_atom_t name, xcb_get_property_reply_t *reply) {
701 Con *con = con_by_window_id(window);
703 DLOG("Received WM_NORMAL_HINTS for unknown client\n");
707 xcb_size_hints_t size_hints;
709 //CLIENT_LOG(client);
711 /* If the hints were already in this event, use them, if not, request them */
713 xcb_get_wm_size_hints_from_reply(&size_hints, reply);
715 xcb_get_wm_normal_hints_reply(conn, xcb_get_wm_normal_hints_unchecked(conn, con->window->id), &size_hints, NULL);
717 if ((size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE)) {
718 // TODO: Minimum size is not yet implemented
719 DLOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height);
722 bool changed = false;
723 if ((size_hints.flags & XCB_SIZE_HINT_P_RESIZE_INC)) {
724 if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF)
725 if (con->width_increment != size_hints.width_inc) {
726 con->width_increment = size_hints.width_inc;
729 if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF)
730 if (con->height_increment != size_hints.height_inc) {
731 con->height_increment = size_hints.height_inc;
736 DLOG("resize increments changed\n");
739 int base_width = 0, base_height = 0;
741 /* base_width/height are the desired size of the window.
742 We check if either the program-specified size or the program-specified
743 min-size is available */
744 if (size_hints.flags & XCB_SIZE_HINT_BASE_SIZE) {
745 base_width = size_hints.base_width;
746 base_height = size_hints.base_height;
747 } else if (size_hints.flags & XCB_SIZE_HINT_P_MIN_SIZE) {
748 /* TODO: is this right? icccm says not */
749 base_width = size_hints.min_width;
750 base_height = size_hints.min_height;
753 if (base_width != con->base_width ||
754 base_height != con->base_height) {
755 con->base_width = base_width;
756 con->base_height = base_height;
757 DLOG("client's base_height changed to %d\n", base_height);
758 DLOG("client's base_width changed to %d\n", base_width);
761 /* If no aspect ratio was set or if it was invalid, we ignore the hints */
762 if (!(size_hints.flags & XCB_SIZE_HINT_P_ASPECT) ||
763 (size_hints.min_aspect_num <= 0) ||
764 (size_hints.min_aspect_den <= 0)) {
765 goto render_and_return;
768 /* XXX: do we really use rect here, not window_rect? */
769 double width = con->rect.width - base_width;
770 double height = con->rect.height - base_height;
771 /* Convert numerator/denominator to a double */
772 double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den;
773 double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den;
775 DLOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect);
776 DLOG("width = %f, height = %f\n", width, height);
778 /* Sanity checks, this is user-input, in a way */
779 if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0)
780 goto render_and_return;
782 /* Check if we need to set proportional_* variables using the correct ratio */
783 if ((width / height) < min_aspect) {
784 con->proportional_width = width;
785 con->proportional_height = width / min_aspect;
786 } else if ((width / height) > max_aspect) {
787 con->proportional_width = width;
788 con->proportional_height = width / max_aspect;
789 } else goto render_and_return;
797 * Handles the WM_HINTS property for extracting the urgency state of the window.
800 int handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
801 xcb_atom_t name, xcb_get_property_reply_t *reply) {
802 Con *con = con_by_window_id(window);
804 DLOG("Received WM_HINTS for unknown client\n");
808 xcb_wm_hints_t hints;
811 if (!xcb_get_wm_hints_from_reply(&hints, reply))
814 if (!xcb_get_wm_hints_reply(conn, xcb_get_wm_hints_unchecked(conn, con->window->id), &hints, NULL))
818 if (!con->urgent && focused == con) {
819 DLOG("Ignoring urgency flag for current client\n");
823 /* Update the flag on the client directly */
824 con->urgent = (xcb_wm_hints_get_urgency(&hints) != 0);
826 LOG("Urgency flag changed to %d\n", con->urgent);
828 workspace_update_urgent_flag(con_get_workspace(con));
831 /* If the workspace this client is on is not visible, we need to redraw
832 * the workspace bar */
833 if (!workspace_is_visible(client->workspace)) {
834 Output *output = client->workspace->output;
835 render_workspace(conn, output, output->current_workspace);
844 * Handles the transient for hints set by a window, signalizing that this window is a popup window
845 * for some other window.
847 * See ICCCM 4.1.2.6 for more details
850 int handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
851 xcb_atom_t name, xcb_get_property_reply_t *prop) {
854 if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
855 DLOG("No such window\n");
860 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
861 false, window, WM_TRANSIENT_FOR, WINDOW, 0, 32), NULL);
866 window_update_transient_for(con->window, prop);
868 // TODO: put window in floating mode if con->window->transient_for != XCB_NONE:
870 if (client->floating == FLOATING_AUTO_OFF) {
871 DLOG("This is a popup window, putting into floating\n");
872 toggle_floating_mode(conn, client, true);
880 * Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
881 * toolwindow (or similar) and to which window it belongs (logical parent).
884 int handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
885 xcb_atom_t name, xcb_get_property_reply_t *prop) {
887 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
891 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
892 false, window, WM_CLIENT_LEADER, WINDOW, 0, 32), NULL);
897 window_update_leader(con->window, prop);