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));
190 * When the user moves the mouse but does not change the active window
191 * (e.g. when having no windows opened but moving mouse on the root screen
192 * and crossing virtual screen boundaries), this callback gets called.
195 static void handle_motion_notify(xcb_motion_notify_event_t *event) {
196 last_timestamp = event->time;
198 /* Skip events where the pointer was over a child window, we are only
199 * interested in events on the root window. */
200 if (event->child != XCB_NONE)
204 if ((con = con_by_frame_id(event->event)) == NULL) {
205 DLOG("MotionNotify for an unknown container, checking if it crosses screen boundaries.\n");
206 check_crossing_screen_boundary(event->root_x, event->root_y);
210 if (config.disable_focus_follows_mouse)
213 if (con->layout != L_DEFAULT && con->layout != L_SPLITV && con->layout != L_SPLITH)
216 /* see over which rect the user is */
218 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
219 if (!rect_contains(current->deco_rect, event->event_x, event->event_y))
222 /* We found the rect, let’s see if this window is focused */
223 if (TAILQ_FIRST(&(con->focus_head)) == current)
227 x_push_changes(croot);
233 * Called when the keyboard mapping changes (for example by using Xmodmap),
234 * we need to update our key bindings then (re-translate symbols).
237 static void handle_mapping_notify(xcb_mapping_notify_event_t *event) {
238 if (event->request != XCB_MAPPING_KEYBOARD &&
239 event->request != XCB_MAPPING_MODIFIER)
242 DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
243 xcb_refresh_keyboard_mapping(keysyms, event);
245 xcb_numlock_mask = aio_get_mod_mask_for(XCB_NUM_LOCK, keysyms);
247 ungrab_all_keys(conn);
253 * A new window appeared on the screen (=was mapped), so let’s manage it.
256 static void handle_map_request(xcb_map_request_event_t *event) {
257 xcb_get_window_attributes_cookie_t cookie;
259 cookie = xcb_get_window_attributes_unchecked(conn, event->window);
261 DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
262 add_ignore_event(event->sequence, -1);
264 manage_window(event->window, cookie, false);
268 * Configure requests are received when the application wants to resize windows
271 * We generate a synthethic configure notify event to signalize the client its
275 static void handle_configure_request(xcb_configure_request_event_t *event) {
278 DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
279 event->window, event->x, event->y, event->width, event->height);
281 /* For unmanaged windows, we just execute the configure request. As soon as
282 * it gets mapped, we will take over anyways. */
283 if ((con = con_by_window_id(event->window)) == NULL) {
284 DLOG("Configure request for unmanaged window, can do that.\n");
289 #define COPY_MASK_MEMBER(mask_member, event_member) \
291 if (event->value_mask & mask_member) { \
292 mask |= mask_member; \
293 values[c++] = event->event_member; \
297 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
298 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
299 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
300 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
301 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
302 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
303 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
305 xcb_configure_window(conn, event->window, mask, values);
311 DLOG("Configure request!\n");
313 Con *workspace = con_get_workspace(con);
314 Con *fullscreen = con_get_fullscreen_covering_ws(workspace);
316 if (fullscreen != con && con_is_floating(con) && con_is_leaf(con)) {
317 /* find the height for the decorations */
318 int deco_height = con->deco_rect.height;
319 /* we actually need to apply the size/position changes to the *parent*
321 Rect bsr = con_border_style_rect(con);
322 if (con->border_style == BS_NORMAL) {
323 bsr.y += deco_height;
324 bsr.height -= deco_height;
326 Con *floatingcon = con->parent;
328 if (strcmp(con_get_workspace(floatingcon)->name, "__i3_scratch") == 0) {
329 DLOG("This is a scratchpad container, ignoring ConfigureRequest\n");
333 Rect newrect = floatingcon->rect;
335 if (event->value_mask & XCB_CONFIG_WINDOW_X) {
336 newrect.x = event->x + (-1) * bsr.x;
337 DLOG("proposed x = %d, new x is %d\n", event->x, newrect.x);
339 if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
340 newrect.y = event->y + (-1) * bsr.y;
341 DLOG("proposed y = %d, new y is %d\n", event->y, newrect.y);
343 if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
344 newrect.width = event->width + (-1) * bsr.width;
345 newrect.width += con->border_width * 2;
346 DLOG("proposed width = %d, new width is %d (x11 border %d)\n",
347 event->width, newrect.width, con->border_width);
349 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
350 newrect.height = event->height + (-1) * bsr.height;
351 newrect.height += con->border_width * 2;
352 DLOG("proposed height = %d, new height is %d (x11 border %d)\n",
353 event->height, newrect.height, con->border_width);
356 DLOG("Container is a floating leaf node, will do that.\n");
357 floating_reposition(floatingcon, newrect);
361 /* Dock windows can be reconfigured in their height and moved to another output. */
362 if (con->parent && con->parent->type == CT_DOCKAREA) {
363 DLOG("Reconfiguring dock window (con = %p).\n", con);
364 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
365 DLOG("Dock client wants to change height to %d, we can do that.\n", event->height);
367 con->geometry.height = event->height;
371 if (event->value_mask & XCB_CONFIG_WINDOW_X || event->value_mask & XCB_CONFIG_WINDOW_Y) {
372 int16_t x = event->value_mask & XCB_CONFIG_WINDOW_X ? event->x : (int16_t)con->geometry.x;
373 int16_t y = event->value_mask & XCB_CONFIG_WINDOW_Y ? event->y : (int16_t)con->geometry.y;
375 Con *current_output = con_get_output(con);
376 Output *target = get_output_containing(x, y);
377 if (target != NULL && current_output != target->con) {
378 DLOG("Dock client is requested to be moved to output %s, moving it there.\n", output_primary_name(target));
380 Con *nc = con_for_window(target->con, con->window, &match);
381 DLOG("Dock client will be moved to container %p.\n", nc);
383 con_attach(con, nc, false);
387 DLOG("Dock client will not be moved, we only support moving it to another output.\n");
393 if (event->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
394 DLOG("window 0x%08x wants to be stacked %d\n", event->window, event->stack_mode);
396 /* Emacs and IntelliJ Idea “request focus” by stacking their window
397 * above all others. */
398 if (event->stack_mode != XCB_STACK_MODE_ABOVE) {
399 DLOG("stack_mode != XCB_STACK_MODE_ABOVE, ignoring ConfigureRequest\n");
403 if (fullscreen || !con_is_leaf(con)) {
404 DLOG("fullscreen or not a leaf, ignoring ConfigureRequest\n");
408 if (workspace == NULL) {
409 DLOG("Window is not being managed, ignoring ConfigureRequest\n");
413 if (strcmp(workspace->name, "__i3_scratch") == 0) {
414 DLOG("This is a scratchpad container, ignoring ConfigureRequest\n");
418 if (config.focus_on_window_activation == FOWA_FOCUS || (config.focus_on_window_activation == FOWA_SMART && workspace_is_visible(workspace))) {
419 DLOG("Focusing con = %p\n", con);
420 workspace_show(workspace);
423 } else if (config.focus_on_window_activation == FOWA_URGENT || (config.focus_on_window_activation == FOWA_SMART && !workspace_is_visible(workspace))) {
424 DLOG("Marking con = %p urgent\n", con);
425 con_set_urgency(con, true);
428 DLOG("Ignoring request for con = %p.\n", con);
433 fake_absolute_configure_notify(con);
437 * Gets triggered upon a RandR screen change event, that is when the user
438 * changes the screen configuration in any way (mode, position, …)
441 static void handle_screen_change(xcb_generic_event_t *e) {
442 DLOG("RandR screen change\n");
444 /* The geometry of the root window is used for “fullscreen global” and
445 * changes when new outputs are added. */
446 xcb_get_geometry_cookie_t cookie = xcb_get_geometry(conn, root);
447 xcb_get_geometry_reply_t *reply = xcb_get_geometry_reply(conn, cookie, NULL);
449 ELOG("Could not get geometry of the root window, exiting\n");
452 DLOG("root geometry reply: (%d, %d) %d x %d\n", reply->x, reply->y, reply->width, reply->height);
454 croot->rect.width = reply->width;
455 croot->rect.height = reply->height;
457 randr_query_outputs();
459 scratchpad_fix_resolution();
461 ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
465 * Our window decorations were unmapped. That means, the window will be killed
466 * now, so we better clean up before.
469 static void handle_unmap_notify_event(xcb_unmap_notify_event_t *event) {
470 DLOG("UnmapNotify for 0x%08x (received from 0x%08x), serial %d\n", event->window, event->event, event->sequence);
471 xcb_get_input_focus_cookie_t cookie;
472 Con *con = con_by_window_id(event->window);
474 /* This could also be an UnmapNotify for the frame. We need to
475 * decrement the ignore_unmap counter. */
476 con = con_by_frame_id(event->window);
478 LOG("Not a managed window, ignoring UnmapNotify event\n");
482 if (con->ignore_unmap > 0)
484 /* See the end of this function. */
485 cookie = xcb_get_input_focus(conn);
486 DLOG("ignore_unmap = %d for frame of container %p\n", con->ignore_unmap, con);
490 /* See the end of this function. */
491 cookie = xcb_get_input_focus(conn);
493 if (con->ignore_unmap > 0) {
494 DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
499 /* Since we close the container, we need to unset _NET_WM_DESKTOP and
500 * _NET_WM_STATE according to the spec. */
501 xcb_delete_property(conn, event->window, A__NET_WM_DESKTOP);
502 xcb_delete_property(conn, event->window, A__NET_WM_STATE);
504 tree_close_internal(con, DONT_KILL_WINDOW, false, false);
508 /* If the client (as opposed to i3) destroyed or unmapped a window, an
509 * EnterNotify event will follow (indistinguishable from an EnterNotify
510 * event caused by moving your mouse), causing i3 to set focus to whichever
511 * window is now visible.
513 * In a complex stacked or tabbed layout (take two v-split containers in a
514 * tabbed container), when the bottom window in tab2 is closed, the bottom
515 * window of tab1 is visible instead. X11 will thus send an EnterNotify
516 * event for the bottom window of tab1, while the focus should be set to
517 * the remaining window of tab2.
519 * Therefore, we ignore all EnterNotify events which have the same sequence
520 * as an UnmapNotify event. */
521 add_ignore_event(event->sequence, XCB_ENTER_NOTIFY);
523 /* Since we just ignored the sequence of this UnmapNotify, we want to make
524 * sure that following events use a different sequence. When putting xterm
525 * into fullscreen and moving the pointer to a different window, without
526 * using GetInputFocus, subsequent (legitimate) EnterNotify events arrived
527 * with the same sequence and thus were ignored (see ticket #609). */
528 free(xcb_get_input_focus_reply(conn, cookie, NULL));
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 static void handle_destroy_notify_event(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 handle_unmap_notify_event(&unmap);
551 static bool window_name_changed(i3Window *window, char *old_name) {
552 if ((old_name == NULL) && (window->name == NULL))
555 /* Either the old or the new one is NULL, but not both. */
556 if ((old_name == NULL) ^ (window->name == NULL))
559 return (strcmp(old_name, i3string_as_utf8(window->name)) != 0);
563 * Called when a window changes its title
566 static bool handle_windowname_change(void *data, xcb_connection_t *conn, uint8_t state,
567 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
569 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
572 char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
574 window_update_name(con->window, prop, false);
576 x_push_changes(croot);
578 if (window_name_changed(con->window, old_name))
579 ipc_send_window_event("title", con);
587 * Handles legacy window name updates (WM_NAME), see also src/window.c,
588 * window_update_name_legacy().
591 static bool handle_windowname_change_legacy(void *data, xcb_connection_t *conn, uint8_t state,
592 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
594 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
597 char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
599 window_update_name_legacy(con->window, prop, false);
601 x_push_changes(croot);
603 if (window_name_changed(con->window, old_name))
604 ipc_send_window_event("title", con);
612 * Called when a window changes its WM_WINDOW_ROLE.
615 static bool handle_windowrole_change(void *data, xcb_connection_t *conn, uint8_t state,
616 xcb_window_t window, xcb_atom_t atom, xcb_get_property_reply_t *prop) {
618 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
621 window_update_role(con->window, prop, false);
627 * Expose event means we should redraw our windows (= title bar)
630 static void handle_expose_event(xcb_expose_event_t *event) {
633 DLOG("window = %08x\n", event->window);
635 if ((parent = con_by_frame_id(event->window)) == NULL) {
636 LOG("expose event for unknown window, ignoring\n");
640 /* Since we render to our surface on every change anyways, expose events
641 * only tell us that the X server lost (parts of) the window contents. */
642 draw_util_copy_surface(&(parent->frame_buffer), &(parent->frame),
643 0, 0, 0, 0, parent->rect.width, parent->rect.height);
647 #define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
648 #define _NET_WM_MOVERESIZE_SIZE_TOP 1
649 #define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
650 #define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
651 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
652 #define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
653 #define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
654 #define _NET_WM_MOVERESIZE_SIZE_LEFT 7
655 #define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
656 #define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
657 #define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
658 #define _NET_WM_MOVERESIZE_CANCEL 11 /* cancel operation */
660 #define _NET_MOVERESIZE_WINDOW_X (1 << 8)
661 #define _NET_MOVERESIZE_WINDOW_Y (1 << 9)
662 #define _NET_MOVERESIZE_WINDOW_WIDTH (1 << 10)
663 #define _NET_MOVERESIZE_WINDOW_HEIGHT (1 << 11)
666 * Handle client messages (EWMH)
669 static void handle_client_message(xcb_client_message_event_t *event) {
670 /* If this is a startup notification ClientMessage, the library will handle
671 * it and call our monitor_event() callback. */
672 if (sn_xcb_display_process_event(sndisplay, (xcb_generic_event_t *)event))
675 LOG("ClientMessage for window 0x%08x\n", event->window);
676 if (event->type == A__NET_WM_STATE) {
677 if (event->format != 32 ||
678 (event->data.data32[1] != A__NET_WM_STATE_FULLSCREEN &&
679 event->data.data32[1] != A__NET_WM_STATE_DEMANDS_ATTENTION &&
680 event->data.data32[1] != A__NET_WM_STATE_STICKY)) {
681 DLOG("Unknown atom in clientmessage of type %d\n", event->data.data32[1]);
685 Con *con = con_by_window_id(event->window);
687 DLOG("Could not get window for client message\n");
691 if (event->data.data32[1] == A__NET_WM_STATE_FULLSCREEN) {
692 /* Check if the fullscreen state should be toggled */
693 if ((con->fullscreen_mode != CF_NONE &&
694 (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
695 event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
696 (con->fullscreen_mode == CF_NONE &&
697 (event->data.data32[0] == _NET_WM_STATE_ADD ||
698 event->data.data32[0] == _NET_WM_STATE_TOGGLE))) {
699 DLOG("toggling fullscreen\n");
700 con_toggle_fullscreen(con, CF_OUTPUT);
702 } else if (event->data.data32[1] == A__NET_WM_STATE_DEMANDS_ATTENTION) {
703 /* Check if the urgent flag must be set or not */
704 if (event->data.data32[0] == _NET_WM_STATE_ADD)
705 con_set_urgency(con, true);
706 else if (event->data.data32[0] == _NET_WM_STATE_REMOVE)
707 con_set_urgency(con, false);
708 else if (event->data.data32[0] == _NET_WM_STATE_TOGGLE)
709 con_set_urgency(con, !con->urgent);
710 } else if (event->data.data32[1] == A__NET_WM_STATE_STICKY) {
711 DLOG("Received a client message to modify _NET_WM_STATE_STICKY.\n");
712 if (event->data.data32[0] == _NET_WM_STATE_ADD)
714 else if (event->data.data32[0] == _NET_WM_STATE_REMOVE)
716 else if (event->data.data32[0] == _NET_WM_STATE_TOGGLE)
717 con->sticky = !con->sticky;
719 DLOG("New sticky status for con = %p is %i.\n", con, con->sticky);
720 ewmh_update_sticky(con->window->id, con->sticky);
721 output_push_sticky_windows(focused);
722 ewmh_update_wm_desktop();
726 } else if (event->type == A__NET_ACTIVE_WINDOW) {
727 if (event->format != 32)
730 DLOG("_NET_ACTIVE_WINDOW: Window 0x%08x should be activated\n", event->window);
732 Con *con = con_by_window_id(event->window);
734 DLOG("Could not get window for client message\n");
738 Con *ws = con_get_workspace(con);
740 DLOG("Window is not being managed, ignoring _NET_ACTIVE_WINDOW\n");
744 if (con_is_internal(ws) && ws != workspace_get("__i3_scratch", NULL)) {
745 DLOG("Workspace is internal but not scratchpad, ignoring _NET_ACTIVE_WINDOW\n");
749 /* data32[0] indicates the source of the request (application or pager) */
750 if (event->data.data32[0] == 2) {
751 /* Always focus the con if it is from a pager, because this is most
752 * likely from some user action */
753 DLOG("This request came from a pager. Focusing con = %p\n", con);
755 if (con_is_internal(ws)) {
756 scratchpad_show(con);
759 /* Re-set focus, even if unchanged from i3’s perspective. */
760 focused_id = XCB_NONE;
764 /* Request is from an application. */
765 if (con_is_internal(ws)) {
766 DLOG("Ignoring request to make con = %p active because it's on an internal workspace.\n", con);
770 if (config.focus_on_window_activation == FOWA_FOCUS || (config.focus_on_window_activation == FOWA_SMART && workspace_is_visible(ws))) {
771 DLOG("Focusing con = %p\n", con);
774 } else if (config.focus_on_window_activation == FOWA_URGENT || (config.focus_on_window_activation == FOWA_SMART && !workspace_is_visible(ws))) {
775 DLOG("Marking con = %p urgent\n", con);
776 con_set_urgency(con, true);
778 DLOG("Ignoring request for con = %p.\n", con);
782 } else if (event->type == A_I3_SYNC) {
783 xcb_window_t window = event->data.data32[0];
784 uint32_t rnd = event->data.data32[1];
785 sync_respond(window, rnd);
786 } else if (event->type == A__NET_REQUEST_FRAME_EXTENTS) {
788 * A client can request an estimate for the frame size which the window
789 * manager will put around it before actually mapping its window. Java
790 * does this (as of openjdk-7).
792 * Note that the calculation below is not entirely accurate — once you
793 * set a different border type, it’s off. We _could_ request all the
794 * window properties (which have to be set up at this point according
795 * to EWMH), but that seems rather elaborate. The standard explicitly
796 * says the application must cope with an estimate that is not entirely
799 DLOG("_NET_REQUEST_FRAME_EXTENTS for window 0x%08x\n", event->window);
801 /* The reply data: approximate frame size */
803 config.default_border_width, /* left */
804 config.default_border_width, /* right */
805 render_deco_height(), /* top */
806 config.default_border_width /* bottom */
810 XCB_PROP_MODE_REPLACE,
812 A__NET_FRAME_EXTENTS,
813 XCB_ATOM_CARDINAL, 32, 4,
816 } else if (event->type == A__NET_CURRENT_DESKTOP) {
817 /* This request is used by pagers and bars to change the current
818 * desktop likely as a result of some user action. We interpret this as
819 * a request to focus the given workspace. See
820 * https://standards.freedesktop.org/wm-spec/latest/ar01s03.html#idm140251368135008
822 DLOG("Request to change current desktop to index %d\n", event->data.data32[0]);
823 Con *ws = ewmh_get_workspace_by_index(event->data.data32[0]);
825 ELOG("Could not determine workspace for this index, ignoring request.\n");
829 DLOG("Handling request to focus workspace %s\n", ws->name);
832 } else if (event->type == A__NET_WM_DESKTOP) {
833 uint32_t index = event->data.data32[0];
834 DLOG("Request to move window %d to EWMH desktop index %d\n", event->window, index);
836 Con *con = con_by_window_id(event->window);
838 DLOG("Couldn't find con for window %d, ignoring the request.\n", event->window);
842 if (index == NET_WM_DESKTOP_ALL) {
843 /* The window is requesting to be visible on all workspaces, so
844 * let's float it and make it sticky. */
845 DLOG("The window was requested to be visible on all workspaces, making it sticky and floating.\n");
847 floating_enable(con, false);
850 ewmh_update_sticky(con->window->id, true);
851 output_push_sticky_windows(focused);
853 Con *ws = ewmh_get_workspace_by_index(index);
855 ELOG("Could not determine workspace for this index, ignoring request.\n");
859 con_move_to_workspace(con, ws, true, false, false);
863 ewmh_update_wm_desktop();
864 } else if (event->type == A__NET_CLOSE_WINDOW) {
866 * Pagers wanting to close a window MUST send a _NET_CLOSE_WINDOW
867 * client message request to the root window.
868 * https://standards.freedesktop.org/wm-spec/wm-spec-latest.html#idm140200472668896
870 Con *con = con_by_window_id(event->window);
872 DLOG("Handling _NET_CLOSE_WINDOW request (con = %p)\n", con);
874 if (event->data.data32[0])
875 last_timestamp = event->data.data32[0];
877 tree_close_internal(con, KILL_WINDOW, false, false);
880 DLOG("Couldn't find con for _NET_CLOSE_WINDOW request. (window = %d)\n", event->window);
882 } else if (event->type == A__NET_WM_MOVERESIZE) {
884 * Client-side decorated Gtk3 windows emit this signal when being
885 * dragged by their GtkHeaderBar
887 Con *con = con_by_window_id(event->window);
888 if (!con || !con_is_floating(con)) {
889 DLOG("Couldn't find con for _NET_WM_MOVERESIZE request, or con not floating (window = %d)\n", event->window);
892 DLOG("Handling _NET_WM_MOVERESIZE request (con = %p)\n", con);
893 uint32_t direction = event->data.data32[2];
894 uint32_t x_root = event->data.data32[0];
895 uint32_t y_root = event->data.data32[1];
896 /* construct fake xcb_button_press_event_t */
897 xcb_button_press_event_t fake = {
900 .event_x = x_root - (con->rect.x),
901 .event_y = y_root - (con->rect.y)};
903 case _NET_WM_MOVERESIZE_MOVE:
904 floating_drag_window(con->parent, &fake);
906 case _NET_WM_MOVERESIZE_SIZE_TOPLEFT... _NET_WM_MOVERESIZE_SIZE_LEFT:
907 floating_resize_window(con->parent, false, &fake);
910 DLOG("_NET_WM_MOVERESIZE direction %d not implemented\n", direction);
913 } else if (event->type == A__NET_MOVERESIZE_WINDOW) {
914 DLOG("Received _NET_MOVE_RESIZE_WINDOW. Handling by faking a configure request.\n");
916 void *_generated_event = scalloc(32, 1);
917 xcb_configure_request_event_t *generated_event = _generated_event;
919 generated_event->window = event->window;
920 generated_event->response_type = XCB_CONFIGURE_REQUEST;
922 generated_event->value_mask = 0;
923 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_X) {
924 generated_event->value_mask |= XCB_CONFIG_WINDOW_X;
925 generated_event->x = event->data.data32[1];
927 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_Y) {
928 generated_event->value_mask |= XCB_CONFIG_WINDOW_Y;
929 generated_event->y = event->data.data32[2];
931 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_WIDTH) {
932 generated_event->value_mask |= XCB_CONFIG_WINDOW_WIDTH;
933 generated_event->width = event->data.data32[3];
935 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_HEIGHT) {
936 generated_event->value_mask |= XCB_CONFIG_WINDOW_HEIGHT;
937 generated_event->height = event->data.data32[4];
940 handle_configure_request(generated_event);
941 FREE(generated_event);
943 DLOG("Skipping client message for unhandled type %d\n", event->type);
947 bool handle_window_type(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
948 xcb_atom_t atom, xcb_get_property_reply_t *reply) {
950 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
953 window_update_type(con->window, reply);
958 * Handles the size hints set by a window, but currently only the part necessary for displaying
959 * clients proportionally inside their frames (mplayer for example)
961 * See ICCCM 4.1.2.3 for more details
964 static bool handle_normal_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
965 xcb_atom_t name, xcb_get_property_reply_t *reply) {
966 Con *con = con_by_window_id(window);
968 DLOG("Received WM_NORMAL_HINTS for unknown client\n");
972 xcb_size_hints_t size_hints;
974 /* If the hints were already in this event, use them, if not, request them */
976 xcb_icccm_get_wm_size_hints_from_reply(&size_hints, reply);
978 xcb_icccm_get_wm_normal_hints_reply(conn, xcb_icccm_get_wm_normal_hints_unchecked(conn, con->window->id), &size_hints, NULL);
981 int win_width = con->window_rect.width;
982 int win_height = con->window_rect.height;
984 if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE)) {
985 DLOG("Minimum size: %d (width) x %d (height)\n", size_hints.min_width, size_hints.min_height);
987 con->window->min_width = size_hints.min_width;
988 con->window->min_height = size_hints.min_height;
991 if (con_is_floating(con)) {
992 win_width = MAX(win_width, con->window->min_width);
993 win_height = MAX(win_height, con->window->min_height);
996 bool changed = false;
997 if ((size_hints.flags & XCB_ICCCM_SIZE_HINT_P_RESIZE_INC)) {
998 if (size_hints.width_inc > 0 && size_hints.width_inc < 0xFFFF) {
999 if (con->window->width_increment != size_hints.width_inc) {
1000 con->window->width_increment = size_hints.width_inc;
1005 if (size_hints.height_inc > 0 && size_hints.height_inc < 0xFFFF) {
1006 if (con->window->height_increment != size_hints.height_inc) {
1007 con->window->height_increment = size_hints.height_inc;
1013 DLOG("resize increments changed\n");
1017 bool has_base_size = false;
1019 int base_height = 0;
1021 /* The base width / height is the desired size of the window. */
1022 if (size_hints.flags & XCB_ICCCM_SIZE_HINT_BASE_SIZE) {
1023 base_width = size_hints.base_width;
1024 base_height = size_hints.base_height;
1025 has_base_size = true;
1028 /* If the window didn't specify a base size, the ICCCM tells us to fall
1029 * back to the minimum size instead, if available. */
1030 if (!has_base_size && size_hints.flags & XCB_ICCCM_SIZE_HINT_P_MIN_SIZE) {
1031 base_width = size_hints.min_width;
1032 base_height = size_hints.min_height;
1035 // TODO XXX Should we only do this is the base size is > 0?
1036 if (base_width != con->window->base_width || base_height != con->window->base_height) {
1037 con->window->base_width = base_width;
1038 con->window->base_height = base_height;
1040 DLOG("client's base_height changed to %d\n", base_height);
1041 DLOG("client's base_width changed to %d\n", base_width);
1045 /* If no aspect ratio was set or if it was invalid, we ignore the hints */
1046 if (!(size_hints.flags & XCB_ICCCM_SIZE_HINT_P_ASPECT) ||
1047 (size_hints.min_aspect_num <= 0) ||
1048 (size_hints.min_aspect_den <= 0)) {
1049 goto render_and_return;
1052 /* The ICCCM says to subtract the base size from the window size for aspect
1053 * ratio calculations. However, unlike determining the base size itself we
1054 * must not fall back to using the minimum size in this case according to
1056 double width = win_width - base_width * has_base_size;
1057 double height = win_height - base_height * has_base_size;
1059 /* Convert numerator/denominator to a double */
1060 double min_aspect = (double)size_hints.min_aspect_num / size_hints.min_aspect_den;
1061 double max_aspect = (double)size_hints.max_aspect_num / size_hints.min_aspect_den;
1063 DLOG("Aspect ratio set: minimum %f, maximum %f\n", min_aspect, max_aspect);
1064 DLOG("width = %f, height = %f\n", width, height);
1066 /* Sanity checks, this is user-input, in a way */
1067 if (max_aspect <= 0 || min_aspect <= 0 || height == 0 || (width / height) <= 0) {
1068 goto render_and_return;
1071 /* Check if we need to set proportional_* variables using the correct ratio */
1072 double aspect_ratio = 0.0;
1073 if ((width / height) < min_aspect) {
1074 aspect_ratio = min_aspect;
1075 } else if ((width / height) > max_aspect) {
1076 aspect_ratio = max_aspect;
1078 goto render_and_return;
1081 if (fabs(con->window->aspect_ratio - aspect_ratio) > DBL_EPSILON) {
1082 con->window->aspect_ratio = aspect_ratio;
1096 * Handles the WM_HINTS property for extracting the urgency state of the window.
1099 static bool handle_hints(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1100 xcb_atom_t name, xcb_get_property_reply_t *reply) {
1101 Con *con = con_by_window_id(window);
1103 DLOG("Received WM_HINTS for unknown client\n");
1109 reply = xcb_get_property_reply(conn, xcb_icccm_get_wm_hints(conn, window), NULL);
1110 window_update_hints(con->window, reply, &urgency_hint);
1111 con_set_urgency(con, urgency_hint);
1118 * Handles the transient for hints set by a window, signalizing that this window is a popup window
1119 * for some other window.
1121 * See ICCCM 4.1.2.6 for more details
1124 static bool handle_transient_for(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1125 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1128 if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
1129 DLOG("No such window\n");
1134 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1135 false, window, XCB_ATOM_WM_TRANSIENT_FOR, XCB_ATOM_WINDOW, 0, 32),
1141 window_update_transient_for(con->window, prop);
1147 * Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
1148 * toolwindow (or similar) and to which window it belongs (logical parent).
1151 static bool handle_clientleader_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1152 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1154 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
1158 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1159 false, window, A_WM_CLIENT_LEADER, XCB_ATOM_WINDOW, 0, 32),
1165 window_update_leader(con->window, prop);
1171 * Handles FocusIn events which are generated by clients (i3’s focus changes
1172 * don’t generate FocusIn events due to a different EventMask) and updates the
1173 * decorations accordingly.
1176 static void handle_focus_in(xcb_focus_in_event_t *event) {
1177 DLOG("focus change in, for window 0x%08x\n", event->event);
1179 if (event->event == root) {
1180 DLOG("Received focus in for root window, refocusing the focused window.\n");
1182 focused_id = XCB_NONE;
1183 x_push_changes(croot);
1187 if ((con = con_by_window_id(event->event)) == NULL || con->window == NULL)
1189 DLOG("That is con %p / %s\n", con, con->name);
1191 if (event->mode == XCB_NOTIFY_MODE_GRAB ||
1192 event->mode == XCB_NOTIFY_MODE_UNGRAB) {
1193 DLOG("FocusIn event for grab/ungrab, ignoring\n");
1197 if (event->detail == XCB_NOTIFY_DETAIL_POINTER) {
1198 DLOG("notify detail is pointer, ignoring this event\n");
1202 /* Floating windows should be refocused to ensure that they are on top of
1204 if (focused_id == event->event && !con_inside_floating(con)) {
1205 DLOG("focus matches the currently focused window, not doing anything\n");
1209 /* Skip dock clients, they cannot get the i3 focus. */
1210 if (con->parent->type == CT_DOCKAREA) {
1211 DLOG("This is a dock client, not focusing.\n");
1215 DLOG("focus is different / refocusing floating window: updating decorations\n");
1217 /* Get the currently focused workspace to check if the focus change also
1218 * involves changing workspaces. If so, we need to call workspace_show() to
1219 * correctly update state and send the IPC event. */
1220 Con *ws = con_get_workspace(con);
1221 if (ws != con_get_workspace(focused))
1225 /* We update focused_id because we don’t need to set focus again */
1226 focused_id = event->event;
1231 * Handles ConfigureNotify events for the root window, which are generated when
1232 * the monitor configuration changed.
1235 static void handle_configure_notify(xcb_configure_notify_event_t *event) {
1236 if (event->event != root) {
1237 DLOG("ConfigureNotify for non-root window 0x%08x, ignoring\n", event->event);
1240 DLOG("ConfigureNotify for root window 0x%08x\n", event->event);
1242 if (force_xinerama) {
1245 randr_query_outputs();
1249 * Handles the WM_CLASS property for assignments and criteria selection.
1252 static bool handle_class_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1253 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1255 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
1259 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1260 false, window, XCB_ATOM_WM_CLASS, XCB_ATOM_STRING, 0, 32),
1267 window_update_class(con->window, prop, false);
1273 * Handles the _MOTIF_WM_HINTS property of specifing window deocration settings.
1276 static bool handle_motif_hints_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1277 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1279 if ((con = con_by_window_id(window)) == NULL || con->window == NULL)
1283 prop = xcb_get_property_reply(conn, xcb_get_property_unchecked(conn,
1284 false, window, A__MOTIF_WM_HINTS, XCB_GET_PROPERTY_TYPE_ANY, 0, 5 * sizeof(uint64_t)),
1291 border_style_t motif_border_style;
1292 window_update_motif_hints(con->window, prop, &motif_border_style);
1294 if (motif_border_style != con->border_style && motif_border_style != BS_NORMAL) {
1295 DLOG("Update border style of con %p to %d\n", con, motif_border_style);
1296 con_set_border_style(con, motif_border_style, con->current_border_width);
1298 x_push_changes(croot);
1305 * Handles the _NET_WM_STRUT_PARTIAL property for allocating space for dock clients.
1308 static bool handle_strut_partial_change(void *data, xcb_connection_t *conn, uint8_t state, xcb_window_t window,
1309 xcb_atom_t name, xcb_get_property_reply_t *prop) {
1310 DLOG("strut partial change for window 0x%08x\n", window);
1313 if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
1318 xcb_generic_error_t *err = NULL;
1319 xcb_get_property_cookie_t strut_cookie = xcb_get_property(conn, false, window, A__NET_WM_STRUT_PARTIAL,
1320 XCB_GET_PROPERTY_TYPE_ANY, 0, UINT32_MAX);
1321 prop = xcb_get_property_reply(conn, strut_cookie, &err);
1324 DLOG("got error when getting strut partial property: %d\n", err->error_code);
1334 DLOG("That is con %p / %s\n", con, con->name);
1336 window_update_strut_partial(con->window, prop);
1338 /* we only handle this change for dock clients */
1339 if (con->parent == NULL || con->parent->type != CT_DOCKAREA) {
1343 Con *search_at = croot;
1344 Con *output = con_get_output(con);
1345 if (output != NULL) {
1346 DLOG("Starting search at output %s\n", output->name);
1350 /* find out the desired position of this dock window */
1351 if (con->window->reserved.top > 0 && con->window->reserved.bottom == 0) {
1352 DLOG("Top dock client\n");
1353 con->window->dock = W_DOCK_TOP;
1354 } else if (con->window->reserved.top == 0 && con->window->reserved.bottom > 0) {
1355 DLOG("Bottom dock client\n");
1356 con->window->dock = W_DOCK_BOTTOM;
1358 DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
1359 if (con->geometry.y < (search_at->rect.height / 2)) {
1360 DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
1361 con->geometry.y, (search_at->rect.height / 2));
1362 con->window->dock = W_DOCK_TOP;
1364 DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
1365 con->geometry.y, (search_at->rect.height / 2));
1366 con->window->dock = W_DOCK_BOTTOM;
1370 /* find the dockarea */
1371 Con *dockarea = con_for_window(search_at, con->window, NULL);
1372 assert(dockarea != NULL);
1374 /* attach the dock to the dock area */
1376 con->parent = dockarea;
1377 TAILQ_INSERT_HEAD(&(dockarea->focus_head), con, focused);
1378 TAILQ_INSERT_HEAD(&(dockarea->nodes_head), con, nodes);
1385 /* Returns false if the event could not be processed (e.g. the window could not
1386 * be found), true otherwise */
1387 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);
1389 struct property_handler_t {
1392 cb_property_handler_t cb;
1395 static struct property_handler_t property_handlers[] = {
1396 {0, 128, handle_windowname_change},
1397 {0, UINT_MAX, handle_hints},
1398 {0, 128, handle_windowname_change_legacy},
1399 {0, UINT_MAX, handle_normal_hints},
1400 {0, UINT_MAX, handle_clientleader_change},
1401 {0, UINT_MAX, handle_transient_for},
1402 {0, 128, handle_windowrole_change},
1403 {0, 128, handle_class_change},
1404 {0, UINT_MAX, handle_strut_partial_change},
1405 {0, UINT_MAX, handle_window_type},
1406 {0, 5 * sizeof(uint64_t), handle_motif_hints_change}};
1407 #define NUM_HANDLERS (sizeof(property_handlers) / sizeof(struct property_handler_t))
1410 * Sets the appropriate atoms for the property handlers after the atoms were
1414 void property_handlers_init(void) {
1415 sn_monitor_context_new(sndisplay, conn_screen, startup_monitor_event, NULL, NULL);
1417 property_handlers[0].atom = A__NET_WM_NAME;
1418 property_handlers[1].atom = XCB_ATOM_WM_HINTS;
1419 property_handlers[2].atom = XCB_ATOM_WM_NAME;
1420 property_handlers[3].atom = XCB_ATOM_WM_NORMAL_HINTS;
1421 property_handlers[4].atom = A_WM_CLIENT_LEADER;
1422 property_handlers[5].atom = XCB_ATOM_WM_TRANSIENT_FOR;
1423 property_handlers[6].atom = A_WM_WINDOW_ROLE;
1424 property_handlers[7].atom = XCB_ATOM_WM_CLASS;
1425 property_handlers[8].atom = A__NET_WM_STRUT_PARTIAL;
1426 property_handlers[9].atom = A__NET_WM_WINDOW_TYPE;
1427 property_handlers[10].atom = A__MOTIF_WM_HINTS;
1430 static void property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom) {
1431 struct property_handler_t *handler = NULL;
1432 xcb_get_property_reply_t *propr = NULL;
1434 for (size_t c = 0; c < NUM_HANDLERS; c++) {
1435 if (property_handlers[c].atom != atom)
1438 handler = &property_handlers[c];
1442 if (handler == NULL) {
1443 //DLOG("Unhandled property notify for atom %d (0x%08x)\n", atom, atom);
1447 if (state != XCB_PROPERTY_DELETE) {
1448 xcb_get_property_cookie_t cookie = xcb_get_property(conn, 0, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, handler->long_len);
1449 propr = xcb_get_property_reply(conn, cookie, 0);
1452 /* the handler will free() the reply unless it returns false */
1453 if (!handler->cb(NULL, conn, state, window, atom, propr))
1458 * Takes an xcb_generic_event_t and calls the appropriate handler, based on the
1462 void handle_event(int type, xcb_generic_event_t *event) {
1463 if (type != XCB_MOTION_NOTIFY)
1464 DLOG("event type %d, xkb_base %d\n", type, xkb_base);
1466 if (randr_base > -1 &&
1467 type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) {
1468 handle_screen_change(event);
1472 if (xkb_base > -1 && type == xkb_base) {
1473 DLOG("xkb event, need to handle it.\n");
1475 xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
1476 if (state->xkbType == XCB_XKB_NEW_KEYBOARD_NOTIFY) {
1477 DLOG("xkb new keyboard notify, sequence %d, time %d\n", state->sequence, state->time);
1478 xcb_key_symbols_free(keysyms);
1479 keysyms = xcb_key_symbols_alloc(conn);
1480 if (((xcb_xkb_new_keyboard_notify_event_t *)event)->changed & XCB_XKB_NKN_DETAIL_KEYCODES)
1481 (void)load_keymap();
1482 ungrab_all_keys(conn);
1483 translate_keysyms();
1484 grab_all_keys(conn);
1485 } else if (state->xkbType == XCB_XKB_MAP_NOTIFY) {
1486 if (event_is_ignored(event->sequence, type)) {
1487 DLOG("Ignoring map notify event for sequence %d.\n", state->sequence);
1489 DLOG("xkb map notify, sequence %d, time %d\n", state->sequence, state->time);
1490 add_ignore_event(event->sequence, type);
1491 xcb_key_symbols_free(keysyms);
1492 keysyms = xcb_key_symbols_alloc(conn);
1493 ungrab_all_keys(conn);
1494 translate_keysyms();
1495 grab_all_keys(conn);
1496 (void)load_keymap();
1498 } else if (state->xkbType == XCB_XKB_STATE_NOTIFY) {
1499 DLOG("xkb state group = %d\n", state->group);
1500 if (xkb_current_group == state->group)
1502 xkb_current_group = state->group;
1503 ungrab_all_keys(conn);
1504 grab_all_keys(conn);
1512 case XCB_KEY_RELEASE:
1513 handle_key_press((xcb_key_press_event_t *)event);
1516 case XCB_BUTTON_PRESS:
1517 case XCB_BUTTON_RELEASE:
1518 handle_button_press((xcb_button_press_event_t *)event);
1521 case XCB_MAP_REQUEST:
1522 handle_map_request((xcb_map_request_event_t *)event);
1525 case XCB_UNMAP_NOTIFY:
1526 handle_unmap_notify_event((xcb_unmap_notify_event_t *)event);
1529 case XCB_DESTROY_NOTIFY:
1530 handle_destroy_notify_event((xcb_destroy_notify_event_t *)event);
1534 if (((xcb_expose_event_t *)event)->count == 0) {
1535 handle_expose_event((xcb_expose_event_t *)event);
1540 case XCB_MOTION_NOTIFY:
1541 handle_motion_notify((xcb_motion_notify_event_t *)event);
1544 /* Enter window = user moved their mouse over the window */
1545 case XCB_ENTER_NOTIFY:
1546 handle_enter_notify((xcb_enter_notify_event_t *)event);
1549 /* Client message are sent to the root window. The only interesting
1550 * client message for us is _NET_WM_STATE, we honour
1551 * _NET_WM_STATE_FULLSCREEN and _NET_WM_STATE_DEMANDS_ATTENTION */
1552 case XCB_CLIENT_MESSAGE:
1553 handle_client_message((xcb_client_message_event_t *)event);
1556 /* Configure request = window tried to change size on its own */
1557 case XCB_CONFIGURE_REQUEST:
1558 handle_configure_request((xcb_configure_request_event_t *)event);
1561 /* Mapping notify = keyboard mapping changed (Xmodmap), re-grab bindings */
1562 case XCB_MAPPING_NOTIFY:
1563 handle_mapping_notify((xcb_mapping_notify_event_t *)event);
1567 handle_focus_in((xcb_focus_in_event_t *)event);
1570 case XCB_PROPERTY_NOTIFY: {
1571 xcb_property_notify_event_t *e = (xcb_property_notify_event_t *)event;
1572 last_timestamp = e->time;
1573 property_notify(e->state, e->window, e->atom);
1577 case XCB_CONFIGURE_NOTIFY:
1578 handle_configure_notify((xcb_configure_notify_event_t *)event);
1582 //DLOG("Unhandled event of type %d\n", type);