2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
7 * handlers.c: Small handlers for various events (keypresses, focus changes,
16 #include <xcb/randr.h>
17 #define SN_API_NOT_YET_FROZEN 1
18 #include <libsn/sn-monitor.h>
22 int xkb_current_group;
24 /* After mapping/unmapping windows, a notify event is generated. However, we don’t want it,
25 since it’d trigger an infinite loop of switching between the different windows when
26 changing workspaces */
27 static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events;
30 * Adds the given sequence to the list of events which are ignored.
31 * If this ignore should only affect a specific response_type, pass
32 * response_type, otherwise, pass -1.
34 * Every ignored sequence number gets garbage collected after 5 seconds.
37 void add_ignore_event(const int sequence, const int response_type) {
38 struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
40 event->sequence = sequence;
41 event->response_type = response_type;
42 event->added = time(NULL);
44 SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
48 * Checks if the given sequence is ignored and returns true if so.
51 bool event_is_ignored(const int sequence, const int response_type) {
52 struct Ignore_Event *event;
53 time_t now = time(NULL);
54 for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
55 if ((now - event->added) > 5) {
56 struct Ignore_Event *save = event;
57 event = SLIST_NEXT(event, ignore_events);
58 SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events);
61 event = SLIST_NEXT(event, ignore_events);
64 SLIST_FOREACH(event, &ignore_events, ignore_events) {
65 if (event->sequence != sequence)
68 if (event->response_type != -1 &&
69 event->response_type != response_type)
72 /* instead of removing a sequence number we better wait until it gets
73 * garbage collected. it may generate multiple events (there are multiple
74 * enter_notifies for one configure_request, for example). */
75 //SLIST_REMOVE(&ignore_events, event, Ignore_Event, ignore_events);
84 * Called with coordinates of an enter_notify event or motion_notify event
85 * to check if the user crossed virtual screen boundaries and adjust the
86 * current workspace, if so.
89 static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
92 /* If the user disable focus follows mouse, we have nothing to do here */
93 if (config.disable_focus_follows_mouse)
96 if ((output = get_output_containing(x, y)) == NULL) {
97 ELOG("ERROR: No such screen\n");
101 if (output->con == NULL) {
102 ELOG("ERROR: The screen is not recognized by i3 (no container associated)\n");
106 /* Focus the output on which the user moved their cursor */
107 Con *old_focused = focused;
108 Con *next = con_descend_focused(output_get_content(output->con));
109 /* Since we are switching outputs, this *must* be a different workspace, so
110 * call workspace_show() */
111 workspace_show(con_get_workspace(next));
114 /* If the focus changed, we re-render to get updated decorations */
115 if (old_focused != focused)
120 * When the user moves the mouse pointer onto a window, this callback gets called.
123 static void handle_enter_notify(xcb_enter_notify_event_t *event) {
126 last_timestamp = event->time;
128 DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
129 event->event, event->mode, event->detail, event->sequence);
130 DLOG("coordinates %d, %d\n", event->event_x, event->event_y);
131 if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
132 DLOG("This was not a normal notify, ignoring\n");
135 /* Some events are not interesting, because they were not generated
136 * actively by the user, but by reconfiguration of windows */
137 if (event_is_ignored(event->sequence, XCB_ENTER_NOTIFY)) {
138 DLOG("Event ignored\n");
142 bool enter_child = false;
143 /* Get container by frame or by child window */
144 if ((con = con_by_frame_id(event->event)) == NULL) {
145 con = con_by_window_id(event->event);
149 /* If we cannot find the container, the user moved their cursor to the root
150 * window. In this case and if they used it to a dock, we need to focus the
151 * workspace on the correct output. */
152 if (con == NULL || con->parent->type == CT_DOCKAREA) {
153 DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
154 check_crossing_screen_boundary(event->root_x, event->root_y);
158 /* see if the user entered the window on a certain window decoration */
159 layout_t layout = (enter_child ? con->parent->layout : con->layout);
160 if (layout == L_DEFAULT) {
162 TAILQ_FOREACH(child, &(con->nodes_head), nodes)
163 if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
164 LOG("using child %p / %s instead!\n", child, child->name);
170 if (config.disable_focus_follows_mouse)
173 /* if this container is already focused, there is nothing to do. */
177 /* Get the currently focused workspace to check if the focus change also
178 * involves changing workspaces. If so, we need to call workspace_show() to
179 * correctly update state and send the IPC event. */
180 Con *ws = con_get_workspace(con);
181 if (ws != con_get_workspace(focused))
184 focused_id = XCB_NONE;
185 con_focus(con_descend_focused(con));
192 * When the user moves the mouse but does not change the active window
193 * (e.g. when having no windows opened but moving mouse on the root screen
194 * and crossing virtual screen boundaries), this callback gets called.
197 static void handle_motion_notify(xcb_motion_notify_event_t *event) {
198 last_timestamp = event->time;
200 /* Skip events where the pointer was over a child window, we are only
201 * interested in events on the root window. */
202 if (event->child != XCB_NONE)
206 if ((con = con_by_frame_id(event->event)) == NULL) {
207 DLOG("MotionNotify for an unknown container, checking if it crosses screen boundaries.\n");
208 check_crossing_screen_boundary(event->root_x, event->root_y);
212 if (config.disable_focus_follows_mouse)
215 if (con->layout != L_DEFAULT && con->layout != L_SPLITV && con->layout != L_SPLITH)
218 /* see over which rect the user is */
220 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
221 if (!rect_contains(current->deco_rect, event->event_x, event->event_y))
224 /* We found the rect, let’s see if this window is focused */
225 if (TAILQ_FIRST(&(con->focus_head)) == current)
229 x_push_changes(croot);
235 * Called when the keyboard mapping changes (for example by using Xmodmap),
236 * we need to update our key bindings then (re-translate symbols).
239 static void handle_mapping_notify(xcb_mapping_notify_event_t *event) {
240 if (event->request != XCB_MAPPING_KEYBOARD &&
241 event->request != XCB_MAPPING_MODIFIER)
244 DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
245 xcb_refresh_keyboard_mapping(keysyms, event);
247 xcb_numlock_mask = aio_get_mod_mask_for(XCB_NUM_LOCK, keysyms);
249 ungrab_all_keys(conn);
257 * A new window appeared on the screen (=was mapped), so let’s manage it.
260 static void handle_map_request(xcb_map_request_event_t *event) {
261 xcb_get_window_attributes_cookie_t cookie;
263 cookie = xcb_get_window_attributes_unchecked(conn, event->window);
265 DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
266 add_ignore_event(event->sequence, -1);
268 manage_window(event->window, cookie, false);
273 * Configure requests are received when the application wants to resize windows
276 * We generate a synthethic configure notify event to signalize the client its
280 static void handle_configure_request(xcb_configure_request_event_t *event) {
283 DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
284 event->window, event->x, event->y, event->width, event->height);
286 /* For unmanaged windows, we just execute the configure request. As soon as
287 * it gets mapped, we will take over anyways. */
288 if ((con = con_by_window_id(event->window)) == NULL) {
289 DLOG("Configure request for unmanaged window, can do that.\n");
294 #define COPY_MASK_MEMBER(mask_member, event_member) \
296 if (event->value_mask & mask_member) { \
297 mask |= mask_member; \
298 values[c++] = event->event_member; \
302 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
303 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
304 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
305 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
306 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
307 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
308 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
310 xcb_configure_window(conn, event->window, mask, values);
316 DLOG("Configure request!\n");
318 Con *workspace = con_get_workspace(con),
321 /* There might not be a corresponding workspace for dock cons, therefore we
322 * have to be careful here. */
324 fullscreen = con_get_fullscreen_con(workspace, CF_OUTPUT);
326 fullscreen = con_get_fullscreen_con(workspace, CF_GLOBAL);
329 if (fullscreen != con && con_is_floating(con) && con_is_leaf(con)) {
330 /* find the height for the decorations */
331 int deco_height = con->deco_rect.height;
332 /* we actually need to apply the size/position changes to the *parent*
334 Rect bsr = con_border_style_rect(con);
335 if (con->border_style == BS_NORMAL) {
336 bsr.y += deco_height;
337 bsr.height -= deco_height;
339 Con *floatingcon = con->parent;
341 if (strcmp(con_get_workspace(floatingcon)->name, "__i3_scratch") == 0) {
342 DLOG("This is a scratchpad container, ignoring ConfigureRequest\n");
346 Rect newrect = floatingcon->rect;
348 if (event->value_mask & XCB_CONFIG_WINDOW_X) {
349 newrect.x = event->x + (-1) * bsr.x;
350 DLOG("proposed x = %d, new x is %d\n", event->x, newrect.x);
352 if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
353 newrect.y = event->y + (-1) * bsr.y;
354 DLOG("proposed y = %d, new y is %d\n", event->y, newrect.y);
356 if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
357 newrect.width = event->width + (-1) * bsr.width;
358 newrect.width += con->border_width * 2;
359 DLOG("proposed width = %d, new width is %d (x11 border %d)\n",
360 event->width, newrect.width, con->border_width);
362 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
363 newrect.height = event->height + (-1) * bsr.height;
364 newrect.height += con->border_width * 2;
365 DLOG("proposed height = %d, new height is %d (x11 border %d)\n",
366 event->height, newrect.height, con->border_width);
369 DLOG("Container is a floating leaf node, will do that.\n");
370 floating_reposition(floatingcon, newrect);
374 /* Dock windows can be reconfigured in their height and moved to another output. */
375 if (con->parent && con->parent->type == CT_DOCKAREA) {
376 DLOG("Reconfiguring dock window (con = %p).\n", con);
377 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
378 DLOG("Dock client wants to change height to %d, we can do that.\n", event->height);
380 con->geometry.height = event->height;
384 if (event->value_mask & XCB_CONFIG_WINDOW_X || event->value_mask & XCB_CONFIG_WINDOW_Y) {
385 int16_t x = event->value_mask & XCB_CONFIG_WINDOW_X ? event->x : (int16_t)con->geometry.x;
386 int16_t y = event->value_mask & XCB_CONFIG_WINDOW_Y ? event->y : (int16_t)con->geometry.y;
388 Con *current_output = con_get_output(con);
389 Output *target = get_output_containing(x, y);
390 if (target != NULL && current_output != target->con) {
391 DLOG("Dock client is requested to be moved to output %s, moving it there.\n", target->name);
393 Con *nc = con_for_window(target->con, con->window, &match);
394 DLOG("Dock client will be moved to container %p.\n", nc);
396 con_attach(con, nc, false);
400 DLOG("Dock client will not be moved, we only support moving it to another output.\n");
403 fake_absolute_configure_notify(con);
407 if (event->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
408 DLOG("window 0x%08x wants to be stacked %d\n", event->window, event->stack_mode);
409 if (event->stack_mode == XCB_STACK_MODE_ABOVE) {
410 /* Emacs and IntelliJ Idea “request focus” by stacking their window
411 * above all others. */
412 if (!fullscreen && con_is_leaf(con)) {
413 if (strcmp(con_get_workspace(con)->name, "__i3_scratch") == 0) {
414 DLOG("This is a scratchpad container, ignoring ConfigureRequest\n");
424 fake_absolute_configure_notify(con);
428 * Gets triggered upon a RandR screen change event, that is when the user
429 * changes the screen configuration in any way (mode, position, …)
432 static void handle_screen_change(xcb_generic_event_t *e) {
433 DLOG("RandR screen change\n");
435 /* The geometry of the root window is used for “fullscreen global” and
436 * changes when new outputs are added. */
437 xcb_get_geometry_cookie_t cookie = xcb_get_geometry(conn, root);
438 xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(conn, cookie, NULL);
440 ELOG("Could not get geometry of the root window, exiting\n");
443 DLOG("root geometry reply: (%d, %d) %d x %d\n", reply->x, reply->y, reply->width, reply->height);
445 croot->rect.width = reply->width;
446 croot->rect.height = reply->height;
448 randr_query_outputs();
450 scratchpad_fix_resolution();
452 ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
458 * Our window decorations were unmapped. That means, the window will be killed
459 * now, so we better clean up before.
462 static void handle_unmap_notify_event(xcb_unmap_notify_event_t *event) {
463 DLOG("UnmapNotify for 0x%08x (received from 0x%08x), serial %d\n", event->window, event->event, event->sequence);
464 xcb_get_input_focus_cookie_t cookie;
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");
475 if (con->ignore_unmap > 0)
477 /* See the end of this function. */
478 cookie = xcb_get_input_focus(conn);
479 DLOG("ignore_unmap = %d for frame of container %p\n", con->ignore_unmap, con);
483 /* See the end of this function. */
484 cookie = xcb_get_input_focus(conn);
486 if (con->ignore_unmap > 0) {
487 DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
492 /* Since we close the container, we need to unset _NET_WM_DESKTOP and
493 * _NET_WM_STATE according to the spec. */
494 xcb_delete_property(conn, event->window, A__NET_WM_DESKTOP);
495 xcb_delete_property(conn, event->window, A__NET_WM_STATE);
497 tree_close_internal(con, DONT_KILL_WINDOW, false, false);
501 /* If the client (as opposed to i3) destroyed or unmapped a window, an
502 * EnterNotify event will follow (indistinguishable from an EnterNotify
503 * event caused by moving your mouse), causing i3 to set focus to whichever
504 * window is now visible.
506 * In a complex stacked or tabbed layout (take two v-split containers in a
507 * tabbed container), when the bottom window in tab2 is closed, the bottom
508 * window of tab1 is visible instead. X11 will thus send an EnterNotify
509 * event for the bottom window of tab1, while the focus should be set to
510 * the remaining window of tab2.
512 * Therefore, we ignore all EnterNotify events which have the same sequence
513 * as an UnmapNotify event. */
514 add_ignore_event(event->sequence, XCB_ENTER_NOTIFY);
516 /* Since we just ignored the sequence of this UnmapNotify, we want to make
517 * sure that following events use a different sequence. When putting xterm
518 * into fullscreen and moving the pointer to a different window, without
519 * using GetInputFocus, subsequent (legitimate) EnterNotify events arrived
520 * with the same sequence and thus were ignored (see ticket #609). */
521 free(xcb_get_input_focus_reply(conn, cookie, NULL));
525 * A destroy notify event is sent when the window is not unmapped, but
526 * immediately destroyed (for example when starting a window and immediately
527 * killing the program which started it).
529 * We just pass on the event to the unmap notify handler (by copying the
530 * important fields in the event data structure).
533 static void handle_destroy_notify_event(xcb_destroy_notify_event_t *event) {
534 DLOG("destroy notify for 0x%08x, 0x%08x\n", event->event, event->window);
536 xcb_unmap_notify_event_t unmap;
537 unmap.sequence = event->sequence;
538 unmap.event = event->event;
539 unmap.window = event->window;
541 handle_unmap_notify_event(&unmap);
544 static bool window_name_changed(i3Window *window, char *old_name) {
545 if ((old_name == NULL) && (window->name == NULL))
548 /* Either the old or the new one is NULL, but not both. */
549 if ((old_name == NULL) ^ (window->name == NULL))
552 return (strcmp(old_name, i3string_as_utf8(window->name)) != 0);
556 * Called when a window changes its title
559 static bool handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
560 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
562 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
565 char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
567 window_update_name(con->window, prop, false);
569 x_push_changes(croot);
571 if (window_name_changed(con->window, old_name))
572 ipc_send_window_event("title", con);
580 * Handles legacy window name updates (WM_NAME), see also src/window.c,
581 * window_update_name_legacy().
584 static bool handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state,
585 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
587 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
590 char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
592 window_update_name_legacy(con->window, prop, false);
594 x_push_changes(croot);
596 if (window_name_changed(con->window, old_name))
597 ipc_send_window_event("title", con);
605 * Called when a window changes its WM_WINDOW_ROLE.
608 static bool handle_windowrole_change(void *data, xcb_connection_t *conn, uint8_t state,
609 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
611 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
614 window_update_role(con->window, prop, false);
620 * Expose event means we should redraw our windows (= title bar)
623 static void handle_expose_event(xcb_expose_event_t *event) {
626 DLOG("window = %08x\n", event->window);
628 if ((parent = con_by_frame_id(event->window)) == NULL) {
629 LOG("expose event for unknown window, ignoring\n");
633 /* Since we render to our surface on every change anyways, expose events
634 * only tell us that the X server lost (parts of) the window contents. */
635 draw_util_copy_surface(&(parent->frame_buffer), &(parent->frame),
636 0, 0, 0, 0, parent->rect.width, parent->rect.height);
641 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
642 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
643 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
644 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
645 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
646 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
647 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
648 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
649 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
650 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
651 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
652 #define _NET_WM_MOVERESIZE_CANCEL 11 /* cancel operation */
654 #define _NET_MOVERESIZE_WINDOW_X (1 << 8)
655 #define _NET_MOVERESIZE_WINDOW_Y (1 << 9)
656 #define _NET_MOVERESIZE_WINDOW_WIDTH (1 << 10)
657 #define _NET_MOVERESIZE_WINDOW_HEIGHT (1 << 11)
660 * Handle client messages (EWMH)
663 static void handle_client_message(xcb_client_message_event_t *event) {
664 /* If this is a startup notification ClientMessage, the library will handle
665 * it and call our monitor_event() callback. */
666 if (sn_xcb_display_process_event(sndisplay, (xcb_generic_event_t *)event))
669 LOG("ClientMessage for window 0x%08x\n", event->window);
670 if (event->type == A__NET_WM_STATE) {
671 if (event->format != 32 ||
672 (event->data.data32[1] != A__NET_WM_STATE_FULLSCREEN &&
673 event->data.data32[1] != A__NET_WM_STATE_DEMANDS_ATTENTION &&
674 event->data.data32[1] != A__NET_WM_STATE_STICKY)) {
675 DLOG("Unknown atom in clientmessage of type %d\n", event->data.data32[1]);
679 Con *con = con_by_window_id(event->window);
681 DLOG("Could not get window for client message\n");
685 if (event->data.data32[1] == A__NET_WM_STATE_FULLSCREEN) {
686 /* Check if the fullscreen state should be toggled */
687 if ((con->fullscreen_mode != CF_NONE &&
688 (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
689 event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
690 (con->fullscreen_mode == CF_NONE &&
691 (event->data.data32[0] == _NET_WM_STATE_ADD ||
692 event->data.data32[0] == _NET_WM_STATE_TOGGLE))) {
693 DLOG("toggling fullscreen\n");
694 con_toggle_fullscreen(con, CF_OUTPUT);
696 } else if (event->data.data32[1] == A__NET_WM_STATE_DEMANDS_ATTENTION) {
697 /* Check if the urgent flag must be set or not */
698 if (event->data.data32[0] == _NET_WM_STATE_ADD)
699 con_set_urgency(con, true);
700 else if (event->data.data32[0] == _NET_WM_STATE_REMOVE)
701 con_set_urgency(con, false);
702 else if (event->data.data32[0] == _NET_WM_STATE_TOGGLE)
703 con_set_urgency(con, !con->urgent);
704 } else if (event->data.data32[1] == A__NET_WM_STATE_STICKY) {
705 DLOG("Received a client message to modify _NET_WM_STATE_STICKY.\n");
706 if (event->data.data32[0] == _NET_WM_STATE_ADD)
708 else if (event->data.data32[0] == _NET_WM_STATE_REMOVE)
710 else if (event->data.data32[0] == _NET_WM_STATE_TOGGLE)
711 con->sticky = !con->sticky;
713 DLOG("New sticky status for con = %p is %i.\n", con, con->sticky);
714 ewmh_update_sticky(con->window->id, con->sticky);
715 output_push_sticky_windows(focused);
716 ewmh_update_wm_desktop();
720 } else if (event->type == A__NET_ACTIVE_WINDOW) {
721 if (event->format != 32)
724 DLOG("_NET_ACTIVE_WINDOW: Window 0x%08x should be activated\n", event->window);
726 Con *con = con_by_window_id(event->window);
728 DLOG("Could not get window for client message\n");
732 Con *ws = con_get_workspace(con);
734 DLOG("Window is not being managed, ignoring _NET_ACTIVE_WINDOW\n");
738 if (con_is_internal(ws) && ws != workspace_get("__i3_scratch", NULL)) {
739 DLOG("Workspace is internal but not scratchpad, ignoring _NET_ACTIVE_WINDOW\n");
743 /* data32[0] indicates the source of the request (application or pager) */
744 if (event->data.data32[0] == 2) {
745 /* Always focus the con if it is from a pager, because this is most
746 * likely from some user action */
747 DLOG("This request came from a pager. Focusing con = %p\n", con);
749 if (con_is_internal(ws)) {
750 scratchpad_show(con);
756 /* Request is from an application. */
757 if (con_is_internal(ws)) {
758 DLOG("Ignoring request to make con = %p active because it's on an internal workspace.\n", con);
762 if (config.focus_on_window_activation == FOWA_FOCUS || (config.focus_on_window_activation == FOWA_SMART && workspace_is_visible(ws))) {
763 DLOG("Focusing con = %p\n", con);
766 } else if (config.focus_on_window_activation == FOWA_URGENT || (config.focus_on_window_activation == FOWA_SMART && !workspace_is_visible(ws))) {
767 DLOG("Marking con = %p urgent\n", con);
768 con_set_urgency(con, true);
770 DLOG("Ignoring request for con = %p.\n", con);
774 } else if (event->type == A_I3_SYNC) {
775 xcb_window_t window = event->data.data32[0];
776 uint32_t rnd = event->data.data32[1];
777 DLOG("[i3 sync protocol] Sending random value %d back to X11 window 0x%08x\n", rnd, window);
779 void *reply = scalloc(32, 1);
780 xcb_client_message_event_t *ev = reply;
782 ev->response_type = XCB_CLIENT_MESSAGE;
784 ev->type = A_I3_SYNC;
786 ev->data.data32[0] = window;
787 ev->data.data32[1] = rnd;
789 xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char *)ev);
792 } else if (event->type == A__NET_REQUEST_FRAME_EXTENTS) {
794 * A client can request an estimate for the frame size which the window
795 * manager will put around it before actually mapping its window. Java
796 * does this (as of openjdk-7).
798 * Note that the calculation below is not entirely accurate — once you
799 * set a different border type, it’s off. We _could_ request all the
800 * window properties (which have to be set up at this point according
801 * to EWMH), but that seems rather elaborate. The standard explicitly
802 * says the application must cope with an estimate that is not entirely
805 DLOG("_NET_REQUEST_FRAME_EXTENTS for window 0x%08x\n", event->window);
807 /* The reply data: approximate frame size */
809 config.default_border_width, /* left */
810 config.default_border_width, /* right */
811 config.font.height + 5, /* top */
812 config.default_border_width /* bottom */
816 XCB_PROP_MODE_REPLACE,
818 A__NET_FRAME_EXTENTS,
819 XCB_ATOM_CARDINAL, 32, 4,
822 } else if (event->type == A__NET_CURRENT_DESKTOP) {
823 /* This request is used by pagers and bars to change the current
824 * desktop likely as a result of some user action. We interpret this as
825 * a request to focus the given workspace. See
826 * http://standards.freedesktop.org/wm-spec/latest/ar01s03.html#idm140251368135008
828 DLOG("Request to change current desktop to index %d\n", event->data.data32[0]);
829 Con *ws = ewmh_get_workspace_by_index(event->data.data32[0]);
831 ELOG("Could not determine workspace for this index, ignoring request.\n");
835 DLOG("Handling request to focus workspace %s\n", ws->name);
838 } else if (event->type == A__NET_WM_DESKTOP) {
839 uint32_t index = event->data.data32[0];
840 DLOG("Request to move window %d to EWMH desktop index %d\n", event->window, index);
842 Con *con = con_by_window_id(event->window);
844 DLOG("Couldn't find con for window %d, ignoring the request.\n", event->window);
848 if (index == NET_WM_DESKTOP_ALL) {
849 /* The window is requesting to be visible on all workspaces, so
850 * let's float it and make it sticky. */
851 DLOG("The window was requested to be visible on all workspaces, making it sticky and floating.\n");
853 floating_enable(con, false);
856 ewmh_update_sticky(con->window->id, true);
857 output_push_sticky_windows(focused);
859 Con *ws = ewmh_get_workspace_by_index(index);
861 ELOG("Could not determine workspace for this index, ignoring request.\n");
865 con_move_to_workspace(con, ws, true, false, false);
869 ewmh_update_wm_desktop();
870 } else if (event->type == A__NET_CLOSE_WINDOW) {
872 * Pagers wanting to close a window MUST send a _NET_CLOSE_WINDOW
873 * client message request to the root window.
874 * http://standards.freedesktop.org/wm-spec/wm-spec-latest.html#idm140200472668896
876 Con *con = con_by_window_id(event->window);
878 DLOG("Handling _NET_CLOSE_WINDOW request (con = %p)\n", con);
880 if (event->data.data32[0])
881 last_timestamp = event->data.data32[0];
883 tree_close_internal(con, KILL_WINDOW, false, false);
886 DLOG("Couldn't find con for _NET_CLOSE_WINDOW request. (window = %d)\n", event->window);
888 } else if (event->type == A__NET_WM_MOVERESIZE) {
890 * Client-side decorated Gtk3 windows emit this signal when being
891 * dragged by their GtkHeaderBar
893 Con *con = con_by_window_id(event->window);
894 if (!con || !con_is_floating(con)) {
895 DLOG("Couldn't find con for _NET_WM_MOVERESIZE request, or con not floating (window = %d)\n", event->window);
898 DLOG("Handling _NET_WM_MOVERESIZE request (con = %p)\n", con);
899 uint32_t direction = event->data.data32[2];
900 uint32_t x_root = event->data.data32[0];
901 uint32_t y_root = event->data.data32[1];
902 /* construct fake xcb_button_press_event_t */
903 xcb_button_press_event_t fake = {
906 .event_x = x_root - (con->rect.x),
907 .event_y = y_root - (con->rect.y)};
909 case _NET_WM_MOVERESIZE_MOVE:
910 floating_drag_window(con->parent, &fake);
912 case _NET_WM_MOVERESIZE_SIZE_TOPLEFT... _NET_WM_MOVERESIZE_SIZE_LEFT:
913 floating_resize_window(con->parent, false, &fake);
916 DLOG("_NET_WM_MOVERESIZE direction %d not implemented\n", direction);
919 } else if (event->type == A__NET_MOVERESIZE_WINDOW) {
920 DLOG("Received _NET_MOVE_RESIZE_WINDOW. Handling by faking a configure request.\n");
922 void *_generated_event = scalloc(32, 1);
923 xcb_configure_request_event_t *generated_event = _generated_event;
925 generated_event->window = event->window;
926 generated_event->response_type = XCB_CONFIGURE_REQUEST;
928 generated_event->value_mask = 0;
929 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_X) {
930 generated_event->value_mask |= XCB_CONFIG_WINDOW_X;
931 generated_event->x = event->data.data32[1];
933 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_Y) {
934 generated_event->value_mask |= XCB_CONFIG_WINDOW_Y;
935 generated_event->y = event->data.data32[2];
937 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_WIDTH) {
938 generated_event->value_mask |= XCB_CONFIG_WINDOW_WIDTH;
939 generated_event->width = event->data.data32[3];
941 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_HEIGHT) {
942 generated_event->value_mask |= XCB_CONFIG_WINDOW_HEIGHT;
943 generated_event->height = event->data.data32[4];
946 handle_configure_request(generated_event);
947 FREE(generated_event);
949 DLOG("Skipping client message for unhandled type %d\n", event->type);
953 bool handle_window_type(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
954 xcb_atom_t atom, xcb_get_property_reply_t *reply) {
956 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
959 window_update_type(con->window, reply);
964 * Handles the size hints set by a window, but currently only the part necessary for displaying
965 * clients proportionally inside their frames (mplayer for example)
967 * See ICCCM 4.1.2.3 for more details
970 static bool handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
971 xcb_atom_t name, xcb_get_property_reply_t *reply) {
972 Con *con = con_by_window_id(window);
974 DLOG("Received WM_NORMAL_HINTS for unknown client\n");
978 xcb_size_hints_t size_hints;
980 /* If the hints were already in this event, use them, if not, request them */
982 xcb_icccm_get_wm_size_hints_from_reply(&size_hints, reply);
984 xcb_icccm_get_wm_normal_hints_reply(conn, xcb_icccm_get_wm_normal_hints_unchecked(conn, con->window->id), &size_hints, NULL);
987 int win_width = con->window_rect.width;
988 int win_height = con->window_rect.height;
990 if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE)) {
991 DLOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height);
993 con->window->min_width = size_hints.min_width;
994 con->window->min_height = size_hints.min_height;
997 if (con_is_floating(con)) {
998 win_width = MAX(win_width, con->window->min_width);
999 win_height = MAX(win_height, con->window->min_height);
1002 bool changed = false;
1003 if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC)) {
1004 if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF) {
1005 if (con->window->width_increment != size_hints.width_inc) {
1006 con->window->width_increment = size_hints.width_inc;
1011 if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF) {
1012 if (con->window->height_increment != size_hints.height_inc) {
1013 con->window->height_increment = size_hints.height_inc;
1019 DLOG("resize increments changed\n");
1023 bool has_base_size = false;
1025 int base_height = 0;
1027 /* The base width / height is the desired size of the window. */
1028 if (size_hints.flags & XCB_ICCCM_SIZE_HINT_BASE_SIZE) {
1029 base_width = size_hints.base_width;
1030 base_height = size_hints.base_height;
1031 has_base_size = true;
1034 /* If the window didn't specify a base size, the ICCCM tells us to fall
1035 * back to the minimum size instead, if available. */
1036 if (!has_base_size && size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE) {
1037 base_width = size_hints.min_width;
1038 base_height = size_hints.min_height;
1041 // TODO XXX Should we only do this is the base size is > 0?
1042 if (base_width != con->window->base_width || base_height != con->window->base_height) {
1043 con->window->base_width = base_width;
1044 con->window->base_height = base_height;
1046 DLOG("client's base_height changed to %d\n", base_height);
1047 DLOG("client's base_width changed to %d\n", base_width);
1051 /* If no aspect ratio was set or if it was invalid, we ignore the hints */
1052 if (!(size_hints.flags & XCB_ICCCM_SIZE_HINT_P_ASPECT) ||
1053 (size_hints.min_aspect_num <= 0) ||
1054 (size_hints.min_aspect_den <= 0)) {
1055 goto render_and_return;
1058 /* The ICCCM says to subtract the base size from the window size for aspect
1059 * ratio calculations. However, unlike determining the base size itself we
1060 * must not fall back to using the minimum size in this case according to
1062 double width = win_width - base_width * has_base_size;
1063 double height = win_height - base_height * has_base_size;
1065 /* Convert numerator/denominator to a double */
1066 double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den;
1067 double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den;
1069 DLOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect);
1070 DLOG("width = %f, height = %f\n", width, height);
1072 /* Sanity checks, this is user-input, in a way */
1073 if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0) {
1074 goto render_and_return;
1077 /* Check if we need to set proportional_* variables using the correct ratio */
1078 double aspect_ratio = 0.0;
1079 if ((width / height) < min_aspect) {
1080 aspect_ratio = min_aspect;
1081 } else if ((width / height) > max_aspect) {
1082 aspect_ratio = max_aspect;
1084 goto render_and_return;
1087 if (fabs(con->window->aspect_ratio - aspect_ratio) > DBL_EPSILON) {
1088 con->window->aspect_ratio = aspect_ratio;
1102 * Handles the WM_HINTS property for extracting the urgency state of the window.
1105 static bool handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1106 xcb_atom_t name, xcb_get_property_reply_t *reply) {
1107 Con *con = con_by_window_id(window);
1109 DLOG("Received WM_HINTS for unknown client\n");
1115 reply = xcb_get_property_reply(conn, xcb_icccm_get_wm_hints(conn, window), NULL);
1116 window_update_hints(con->window, reply, &urgency_hint);
1117 con_set_urgency(con, urgency_hint);
1124 * Handles the transient for hints set by a window, signalizing that this window is a popup window
1125 * for some other window.
1127 * See ICCCM 4.1.2.6 for more details
1130 static bool handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1131 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1134 if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
1135 DLOG("No such window\n");
1140 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1141 false, window, XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 0, 32),
1147 window_update_transient_for(con->window, prop);
1153 * Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
1154 * toolwindow (or similar) and to which window it belongs (logical parent).
1157 static bool handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1158 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1160 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
1164 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1165 false, window, A_WM_CLIENT_LEADER, XCB_ATOM_WINDOW, 0, 32),
1171 window_update_leader(con->window, prop);
1177 * Handles FocusIn events which are generated by clients (i3’s focus changes
1178 * don’t generate FocusIn events due to a different EventMask) and updates the
1179 * decorations accordingly.
1182 static void handle_focus_in(xcb_focus_in_event_t *event) {
1183 DLOG("focus change in, for window 0x%08x\n", event->event);
1185 if ((con = con_by_window_id(event->event)) == NULL || con->window == NULL)
1187 DLOG("That is con %p / %s\n", con, con->name);
1189 if (event->mode == XCB_NOTIFY_MODE_GRAB ||
1190 event->mode == XCB_NOTIFY_MODE_UNGRAB) {
1191 DLOG("FocusIn event for grab/ungrab, ignoring\n");
1195 if (event->detail == XCB_NOTIFY_DETAIL_POINTER) {
1196 DLOG("notify detail is pointer, ignoring this event\n");
1200 if (focused_id == event->event) {
1201 DLOG("focus matches the currently focused window, not doing anything\n");
1205 /* Skip dock clients, they cannot get the i3 focus. */
1206 if (con->parent->type == CT_DOCKAREA) {
1207 DLOG("This is a dock client, not focusing.\n");
1211 DLOG("focus is different, updating decorations\n");
1213 /* Get the currently focused workspace to check if the focus change also
1214 * involves changing workspaces. If so, we need to call workspace_show() to
1215 * correctly update state and send the IPC event. */
1216 Con *ws = con_get_workspace(con);
1217 if (ws != con_get_workspace(focused))
1221 /* We update focused_id because we don’t need to set focus again */
1222 focused_id = event->event;
1223 x_push_changes(croot);
1228 * Handles ConfigureNotify events for the root window, which are generated when
1229 * the monitor configuration changed.
1232 static void handle_configure_notify(xcb_configure_notify_event_t *event) {
1233 if (event->event != root) {
1234 DLOG("ConfigureNotify for non-root window 0x%08x, ignoring\n", event->event);
1237 DLOG("ConfigureNotify for root window 0x%08x\n", event->event);
1239 randr_query_outputs();
1243 * Handles the WM_CLASS property for assignments and criteria selection.
1246 static bool handle_class_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1247 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1249 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
1253 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1254 false, window, XCB_ATOM_WM_CLASS, XCB_ATOM_STRING, 0, 32),
1261 window_update_class(con->window, prop, false);
1267 * Handles the _MOTIF_WM_HINTS property of specifing window deocration settings.
1270 static bool handle_motif_hints_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1271 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1273 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
1277 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1278 false, window, A__MOTIF_WM_HINTS, XCB_GET_PROPERTY_TYPE_ANY, 0, 5 * sizeof(uint64_t)),
1285 border_style_t motif_border_style;
1286 window_update_motif_hints(con->window, prop, &motif_border_style);
1288 if (motif_border_style != con->border_style && motif_border_style != BS_NORMAL) {
1289 DLOG("Update border style of con %p to %d\n", con, motif_border_style);
1290 con_set_border_style(con, motif_border_style, con->current_border_width);
1292 x_push_changes(croot);
1299 * Handles the _NET_WM_STRUT_PARTIAL property for allocating space for dock clients.
1302 static bool handle_strut_partial_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1303 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1304 DLOG("strut partial change for window 0x%08x\n", window);
1307 if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
1312 xcb_generic_error_t *err = NULL;
1313 xcb_get_property_cookie_t strut_cookie = xcb_get_property(conn, false, window, A__NET_WM_STRUT_PARTIAL,
1314 XCB_GET_PROPERTY_TYPE_ANY, 0, UINT32_MAX);
1315 prop = xcb_get_property_reply(conn, strut_cookie, &err);
1318 DLOG("got error when getting strut partial property: %d\n", err->error_code);
1328 DLOG("That is con %p / %s\n", con, con->name);
1330 window_update_strut_partial(con->window, prop);
1332 /* we only handle this change for dock clients */
1333 if (con->parent == NULL || con->parent->type != CT_DOCKAREA) {
1337 Con *search_at = croot;
1338 Con *output = con_get_output(con);
1339 if (output != NULL) {
1340 DLOG("Starting search at output %s\n", output->name);
1344 /* find out the desired position of this dock window */
1345 if (con->window->reserved.top > 0 && con->window->reserved.bottom == 0) {
1346 DLOG("Top dock client\n");
1347 con->window->dock = W_DOCK_TOP;
1348 } else if (con->window->reserved.top == 0 && con->window->reserved.bottom > 0) {
1349 DLOG("Bottom dock client\n");
1350 con->window->dock = W_DOCK_BOTTOM;
1352 DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
1353 if (con->geometry.y < (search_at->rect.height / 2)) {
1354 DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
1355 con->geometry.y, (search_at->rect.height / 2));
1356 con->window->dock = W_DOCK_TOP;
1358 DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
1359 con->geometry.y, (search_at->rect.height / 2));
1360 con->window->dock = W_DOCK_BOTTOM;
1364 /* find the dockarea */
1365 Con *dockarea = con_for_window(search_at, con->window, NULL);
1366 assert(dockarea != NULL);
1368 /* attach the dock to the dock area */
1370 con->parent = dockarea;
1371 TAILQ_INSERT_HEAD(&(dockarea->focus_head), con, focused);
1372 TAILQ_INSERT_HEAD(&(dockarea->nodes_head), con, nodes);
1379 /* Returns false if the event could not be processed (e.g. the window could not
1380 * be found), true otherwise */
1381 typedef bool (*cb_property_handler_t)(void *data, xcb_connection_t *c, uint8_t state, xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *property);
1383 struct property_handler_t {
1386 cb_property_handler_t cb;
1389 static struct property_handler_t property_handlers[] = {
1390 {0, 128, handle_windowname_change},
1391 {0, UINT_MAX, handle_hints},
1392 {0, 128, handle_windowname_change_legacy},
1393 {0, UINT_MAX, handle_normal_hints},
1394 {0, UINT_MAX, handle_clientleader_change},
1395 {0, UINT_MAX, handle_transient_for},
1396 {0, 128, handle_windowrole_change},
1397 {0, 128, handle_class_change},
1398 {0, UINT_MAX, handle_strut_partial_change},
1399 {0, UINT_MAX, handle_window_type},
1400 {0, 5 * sizeof(uint64_t), handle_motif_hints_change}};
1401 #define NUM_HANDLERS (sizeof(property_handlers) / sizeof(struct property_handler_t))
1404 * Sets the appropriate atoms for the property handlers after the atoms were
1408 void property_handlers_init(void) {
1409 sn_monitor_context_new(sndisplay, conn_screen, startup_monitor_event, NULL, NULL);
1411 property_handlers[0].atom = A__NET_WM_NAME;
1412 property_handlers[1].atom = XCB_ATOM_WM_HINTS;
1413 property_handlers[2].atom = XCB_ATOM_WM_NAME;
1414 property_handlers[3].atom = XCB_ATOM_WM_NORMAL_HINTS;
1415 property_handlers[4].atom = A_WM_CLIENT_LEADER;
1416 property_handlers[5].atom = XCB_ATOM_WM_TRANSIENT_FOR;
1417 property_handlers[6].atom = A_WM_WINDOW_ROLE;
1418 property_handlers[7].atom = XCB_ATOM_WM_CLASS;
1419 property_handlers[8].atom = A__NET_WM_STRUT_PARTIAL;
1420 property_handlers[9].atom = A__NET_WM_WINDOW_TYPE;
1421 property_handlers[10].atom = A__MOTIF_WM_HINTS;
1424 static void property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom) {
1425 struct property_handler_t *handler = NULL;
1426 xcb_get_property_reply_t *propr = NULL;
1428 for (size_t c = 0; c < sizeof(property_handlers) / sizeof(struct property_handler_t); c++) {
1429 if (property_handlers[c].atom != atom)
1432 handler = &property_handlers[c];
1436 if (handler == NULL) {
1437 //DLOG("Unhandled property notify for atom %d (0x%08x)\n", atom, atom);
1441 if (state != XCB_PROPERTY_DELETE) {
1442 xcb_get_property_cookie_t cookie = xcb_get_property(conn, 0, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, handler->long_len);
1443 propr = xcb_get_property_reply(conn, cookie, 0);
1446 /* the handler will free() the reply unless it returns false */
1447 if (!handler->cb(NULL, conn, state, window, atom, propr))
1452 * Takes an xcb_generic_event_t and calls the appropriate handler, based on the
1456 void handle_event(int type, xcb_generic_event_t *event) {
1457 if (type != XCB_MOTION_NOTIFY)
1458 DLOG("event type %d, xkb_base %d\n", type, xkb_base);
1460 if (randr_base > -1 &&
1461 type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) {
1462 handle_screen_change(event);
1466 if (xkb_base > -1 && type == xkb_base) {
1467 DLOG("xkb event, need to handle it.\n");
1469 xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
1470 if (state->xkbType == XCB_XKB_NEW_KEYBOARD_NOTIFY) {
1471 DLOG("xkb new keyboard notify, sequence %d, time %d\n", state->sequence, state->time);
1472 xcb_key_symbols_free(keysyms);
1473 keysyms = xcb_key_symbols_alloc(conn);
1474 if (((xcb_xkb_new_keyboard_notify_event_t *)event)->changed & XCB_XKB_NKN_DETAIL_KEYCODES)
1475 (void)load_keymap();
1476 ungrab_all_keys(conn);
1477 translate_keysyms();
1478 grab_all_keys(conn);
1479 } else if (state->xkbType == XCB_XKB_MAP_NOTIFY) {
1480 if (event_is_ignored(event->sequence, type)) {
1481 DLOG("Ignoring map notify event for sequence %d.\n", state->sequence);
1483 DLOG("xkb map notify, sequence %d, time %d\n", state->sequence, state->time);
1484 add_ignore_event(event->sequence, type);
1485 xcb_key_symbols_free(keysyms);
1486 keysyms = xcb_key_symbols_alloc(conn);
1487 ungrab_all_keys(conn);
1488 translate_keysyms();
1489 grab_all_keys(conn);
1490 (void)load_keymap();
1492 } else if (state->xkbType == XCB_XKB_STATE_NOTIFY) {
1493 DLOG("xkb state group = %d\n", state->group);
1494 if (xkb_current_group == state->group)
1496 xkb_current_group = state->group;
1497 ungrab_all_keys(conn);
1498 grab_all_keys(conn);
1506 case XCB_KEY_RELEASE:
1507 handle_key_press((xcb_key_press_event_t *)event);
1510 case XCB_BUTTON_PRESS:
1511 case XCB_BUTTON_RELEASE:
1512 handle_button_press((xcb_button_press_event_t *)event);
1515 case XCB_MAP_REQUEST:
1516 handle_map_request((xcb_map_request_event_t *)event);
1519 case XCB_UNMAP_NOTIFY:
1520 handle_unmap_notify_event((xcb_unmap_notify_event_t *)event);
1523 case XCB_DESTROY_NOTIFY:
1524 handle_destroy_notify_event((xcb_destroy_notify_event_t *)event);
1528 if (((xcb_expose_event_t *)event)->count == 0) {
1529 handle_expose_event((xcb_expose_event_t *)event);
1534 case XCB_MOTION_NOTIFY:
1535 handle_motion_notify((xcb_motion_notify_event_t *)event);
1538 /* Enter window = user moved their mouse over the window */
1539 case XCB_ENTER_NOTIFY:
1540 handle_enter_notify((xcb_enter_notify_event_t *)event);
1543 /* Client message are sent to the root window. The only interesting
1544 * client message for us is _NET_WM_STATE, we honour
1545 * _NET_WM_STATE_FULLSCREEN and _NET_WM_STATE_DEMANDS_ATTENTION */
1546 case XCB_CLIENT_MESSAGE:
1547 handle_client_message((xcb_client_message_event_t *)event);
1550 /* Configure request = window tried to change size on its own */
1551 case XCB_CONFIGURE_REQUEST:
1552 handle_configure_request((xcb_configure_request_event_t *)event);
1555 /* Mapping notify = keyboard mapping changed (Xmodmap), re-grab bindings */
1556 case XCB_MAPPING_NOTIFY:
1557 handle_mapping_notify((xcb_mapping_notify_event_t *)event);
1561 handle_focus_in((xcb_focus_in_event_t *)event);
1564 case XCB_PROPERTY_NOTIFY: {
1565 xcb_property_notify_event_t *e = (xcb_property_notify_event_t *)event;
1566 last_timestamp = e->time;
1567 property_notify(e->state, e->window, e->atom);
1571 case XCB_CONFIGURE_NOTIFY:
1572 handle_configure_notify((xcb_configure_notify_event_t *)event);
1576 //DLOG("Unhandled event of type %d\n", type);