i3
handlers.c
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1/*
2 * vim:ts=4:sw=4:expandtab
3 *
4 * i3 - an improved dynamic tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
6 *
7 * handlers.c: Small handlers for various events (keypresses, focus changes,
8 * …).
9 *
10 */
11#include "all.h"
12
13#include <sys/time.h>
14#include <time.h>
15
16#include <xcb/randr.h>
17#define SN_API_NOT_YET_FROZEN 1
18#include <libsn/sn-monitor.h>
19
20int randr_base = -1;
21int xkb_base = -1;
23int shape_base = -1;
24
25/* After mapping/unmapping windows, a notify event is generated. However, we don’t want it,
26 since it’d trigger an infinite loop of switching between the different windows when
27 changing workspaces */
28static SLIST_HEAD(ignore_head, Ignore_Event) ignore_events;
29
30/*
31 * Adds the given sequence to the list of events which are ignored.
32 * If this ignore should only affect a specific response_type, pass
33 * response_type, otherwise, pass -1.
34 *
35 * Every ignored sequence number gets garbage collected after 5 seconds.
36 *
37 */
38void add_ignore_event(const int sequence, const int response_type) {
39 struct Ignore_Event *event = smalloc(sizeof(struct Ignore_Event));
40
41 event->sequence = sequence;
42 event->response_type = response_type;
43 event->added = time(NULL);
44
45 SLIST_INSERT_HEAD(&ignore_events, event, ignore_events);
46}
47
48/*
49 * Checks if the given sequence is ignored and returns true if so.
50 *
51 */
52bool event_is_ignored(const int sequence, const int response_type) {
53 struct Ignore_Event *event;
54 time_t now = time(NULL);
55 for (event = SLIST_FIRST(&ignore_events); event != SLIST_END(&ignore_events);) {
56 if ((now - event->added) > 5) {
57 struct Ignore_Event *save = event;
58 event = SLIST_NEXT(event, ignore_events);
59 SLIST_REMOVE(&ignore_events, save, Ignore_Event, ignore_events);
60 free(save);
61 } else
62 event = SLIST_NEXT(event, ignore_events);
63 }
64
65 SLIST_FOREACH (event, &ignore_events, ignore_events) {
66 if (event->sequence != sequence)
67 continue;
68
69 if (event->response_type != -1 &&
71 continue;
72
73 /* Instead of removing & freeing a sequence number we better wait until
74 * it gets garbage collected. It may generate multiple events (there
75 * are multiple enter_notifies for one configure_request, for example). */
76 return true;
77 }
78
79 return false;
80}
81
82/*
83 * Called with coordinates of an enter_notify event or motion_notify event
84 * to check if the user crossed virtual screen boundaries and adjust the
85 * current workspace, if so.
86 *
87 */
88static void check_crossing_screen_boundary(uint32_t x, uint32_t y) {
89 Output *output;
90
91 /* If the user disable focus follows mouse, we have nothing to do here */
93 return;
94
95 if ((output = get_output_containing(x, y)) == NULL) {
96 ELOG("ERROR: No such screen\n");
97 return;
98 }
99
100 if (output->con == NULL) {
101 ELOG("ERROR: The screen is not recognized by i3 (no container associated)\n");
102 return;
103 }
104
105 /* Focus the output on which the user moved their cursor */
106 Con *old_focused = focused;
108 /* Since we are switching outputs, this *must* be a different workspace, so
109 * call workspace_show() */
111 con_focus(next);
112
113 /* If the focus changed, we re-render to get updated decorations */
114 if (old_focused != focused)
115 tree_render();
116}
117
118/*
119 * When the user moves the mouse pointer onto a window, this callback gets called.
120 *
121 */
122static void handle_enter_notify(xcb_enter_notify_event_t *event) {
123 Con *con;
124
125 last_timestamp = event->time;
126
127 DLOG("enter_notify for %08x, mode = %d, detail %d, serial %d\n",
128 event->event, event->mode, event->detail, event->sequence);
129 DLOG("coordinates %d, %d\n", event->event_x, event->event_y);
130 if (event->mode != XCB_NOTIFY_MODE_NORMAL) {
131 DLOG("This was not a normal notify, ignoring\n");
132 return;
133 }
134 /* Some events are not interesting, because they were not generated
135 * actively by the user, but by reconfiguration of windows */
136 if (event_is_ignored(event->sequence, XCB_ENTER_NOTIFY)) {
137 DLOG("Event ignored\n");
138 return;
139 }
140
141 bool enter_child = false;
142 /* Get container by frame or by child window */
143 if ((con = con_by_frame_id(event->event)) == NULL) {
144 con = con_by_window_id(event->event);
145 enter_child = true;
146 }
147
148 /* If we cannot find the container, the user moved their cursor to the root
149 * window. In this case and if they used it to a dock, we need to focus the
150 * workspace on the correct output. */
151 if (con == NULL || con->parent->type == CT_DOCKAREA) {
152 DLOG("Getting screen at %d x %d\n", event->root_x, event->root_y);
153 check_crossing_screen_boundary(event->root_x, event->root_y);
154 return;
155 }
156
157 /* see if the user entered the window on a certain window decoration */
158 layout_t layout = (enter_child ? con->parent->layout : con->layout);
159 if (layout == L_DEFAULT) {
160 Con *child;
161 TAILQ_FOREACH_REVERSE (child, &(con->nodes_head), nodes_head, nodes) {
162 if (rect_contains(child->deco_rect, event->event_x, event->event_y)) {
163 LOG("using child %p / %s instead!\n", child, child->name);
164 con = child;
165 break;
166 }
167 }
168 }
169
171 return;
172
173 /* if this container is already focused, there is nothing to do. */
174 if (con == focused)
175 return;
176
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))
182 workspace_show(ws);
183
184 focused_id = XCB_NONE;
186 tree_render();
187}
188
189/*
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.
193 *
194 */
195static void handle_motion_notify(xcb_motion_notify_event_t *event) {
196 last_timestamp = event->time;
197
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)
201 return;
202
203 Con *con;
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);
207 return;
208 }
209
211 return;
212
213 if (con->layout != L_DEFAULT && con->layout != L_SPLITV && con->layout != L_SPLITH)
214 return;
215
216 /* see over which rect the user is */
217 if (con->window != NULL) {
218 if (rect_contains(con->deco_rect, event->event_x, event->event_y)) {
219 /* We found the rect, let’s see if this window is focused */
220 if (TAILQ_FIRST(&(con->parent->focus_head)) == con)
221 return;
222
223 con_focus(con);
225 return;
226 }
227 } else {
228 Con *current;
229 TAILQ_FOREACH_REVERSE (current, &(con->nodes_head), nodes_head, nodes) {
230 if (!rect_contains(current->deco_rect, event->event_x, event->event_y))
231 continue;
232
233 /* We found the rect, let’s see if this window is focused */
234 if (TAILQ_FIRST(&(con->focus_head)) == current)
235 return;
236
237 con_focus(current);
239 return;
240 }
241 }
242}
243
244/*
245 * Called when the keyboard mapping changes (for example by using Xmodmap),
246 * we need to update our key bindings then (re-translate symbols).
247 *
248 */
249static void handle_mapping_notify(xcb_mapping_notify_event_t *event) {
250 if (event->request != XCB_MAPPING_KEYBOARD &&
251 event->request != XCB_MAPPING_MODIFIER)
252 return;
253
254 DLOG("Received mapping_notify for keyboard or modifier mapping, re-grabbing keys\n");
255 xcb_refresh_keyboard_mapping(keysyms, event);
256
258
262}
263
264/*
265 * A new window appeared on the screen (=was mapped), so let’s manage it.
266 *
267 */
268static void handle_map_request(xcb_map_request_event_t *event) {
269 xcb_get_window_attributes_cookie_t cookie;
270
271 cookie = xcb_get_window_attributes_unchecked(conn, event->window);
272
273 DLOG("window = 0x%08x, serial is %d.\n", event->window, event->sequence);
274 add_ignore_event(event->sequence, -1);
275
276 manage_window(event->window, cookie, false);
277}
278
279/*
280 * Configure requests are received when the application wants to resize windows
281 * on their own.
282 *
283 * We generate a synthetic configure notify event to signalize the client its
284 * "new" position.
285 *
286 */
287static void handle_configure_request(xcb_configure_request_event_t *event) {
288 Con *con;
289
290 DLOG("window 0x%08x wants to be at %dx%d with %dx%d\n",
291 event->window, event->x, event->y, event->width, event->height);
292
293 /* For unmanaged windows, we just execute the configure request. As soon as
294 * it gets mapped, we will take over anyways. */
295 if ((con = con_by_window_id(event->window)) == NULL) {
296 DLOG("Configure request for unmanaged window, can do that.\n");
297
298 uint32_t mask = 0;
299 uint32_t values[7];
300 int c = 0;
301#define COPY_MASK_MEMBER(mask_member, event_member) \
302 do { \
303 if (event->value_mask & mask_member) { \
304 mask |= mask_member; \
305 values[c++] = event->event_member; \
306 } \
307 } while (0)
308
309 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_X, x);
310 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_Y, y);
311 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_WIDTH, width);
312 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_HEIGHT, height);
313 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_BORDER_WIDTH, border_width);
314 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_SIBLING, sibling);
315 COPY_MASK_MEMBER(XCB_CONFIG_WINDOW_STACK_MODE, stack_mode);
316
317 xcb_configure_window(conn, event->window, mask, values);
318 xcb_flush(conn);
319
320 return;
321 }
322
323 DLOG("Configure request!\n");
324
325 Con *workspace = con_get_workspace(con);
326 if (workspace && (strcmp(workspace->name, "__i3_scratch") == 0)) {
327 DLOG("This is a scratchpad container, ignoring ConfigureRequest\n");
328 goto out;
329 }
330 Con *fullscreen = con_get_fullscreen_covering_ws(workspace);
331
332 if (fullscreen != con && con_is_floating(con) && con_is_leaf(con)) {
333 /* we actually need to apply the size/position changes to the *parent*
334 * container */
335 Rect bsr = con_border_style_rect(con);
336 Con *floatingcon = con->parent;
337 Rect newrect = floatingcon->rect;
338
339 if (event->value_mask & XCB_CONFIG_WINDOW_X) {
340 newrect.x = event->x + (-1) * bsr.x;
341 DLOG("proposed x = %d, new x is %d\n", event->x, newrect.x);
342 }
343 if (event->value_mask & XCB_CONFIG_WINDOW_Y) {
344 newrect.y = event->y + (-1) * bsr.y;
345 DLOG("proposed y = %d, new y is %d\n", event->y, newrect.y);
346 }
347 if (event->value_mask & XCB_CONFIG_WINDOW_WIDTH) {
348 newrect.width = event->width + (-1) * bsr.width;
349 newrect.width += con->border_width * 2;
350 DLOG("proposed width = %d, new width is %d (x11 border %d)\n",
351 event->width, newrect.width, con->border_width);
352 }
353 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
354 newrect.height = event->height + (-1) * bsr.height;
355 newrect.height += con->border_width * 2;
356 DLOG("proposed height = %d, new height is %d (x11 border %d)\n",
357 event->height, newrect.height, con->border_width);
358 }
359
360 DLOG("Container is a floating leaf node, will do that.\n");
361 floating_reposition(floatingcon, newrect);
362 return;
363 }
364
365 /* Dock windows can be reconfigured in their height and moved to another output. */
366 if (con->parent && con->parent->type == CT_DOCKAREA) {
367 DLOG("Reconfiguring dock window (con = %p).\n", con);
368 if (event->value_mask & XCB_CONFIG_WINDOW_HEIGHT) {
369 DLOG("Dock client wants to change height to %d, we can do that.\n", event->height);
370
371 con->geometry.height = event->height;
372 tree_render();
373 }
374
375 if (event->value_mask & XCB_CONFIG_WINDOW_X || event->value_mask & XCB_CONFIG_WINDOW_Y) {
376 int16_t x = event->value_mask & XCB_CONFIG_WINDOW_X ? event->x : (int16_t)con->geometry.x;
377 int16_t y = event->value_mask & XCB_CONFIG_WINDOW_Y ? event->y : (int16_t)con->geometry.y;
378
379 Con *current_output = con_get_output(con);
380 Output *target = get_output_containing(x, y);
381 if (target != NULL && current_output != target->con) {
382 DLOG("Dock client is requested to be moved to output %s, moving it there.\n", output_primary_name(target));
383 Match *match;
384 Con *nc = con_for_window(target->con, con->window, &match);
385 DLOG("Dock client will be moved to container %p.\n", nc);
386 con_detach(con);
387 con_attach(con, nc, false);
388
389 tree_render();
390 } else {
391 DLOG("Dock client will not be moved, we only support moving it to another output.\n");
392 }
393 }
394 goto out;
395 }
396
397 if (event->value_mask & XCB_CONFIG_WINDOW_STACK_MODE) {
398 DLOG("window 0x%08x wants to be stacked %d\n", event->window, event->stack_mode);
399
400 /* Emacs and IntelliJ Idea “request focus” by stacking their window
401 * above all others. */
402 if (event->stack_mode != XCB_STACK_MODE_ABOVE) {
403 DLOG("stack_mode != XCB_STACK_MODE_ABOVE, ignoring ConfigureRequest\n");
404 goto out;
405 }
406
407 if (fullscreen || !con_is_leaf(con)) {
408 DLOG("fullscreen or not a leaf, ignoring ConfigureRequest\n");
409 goto out;
410 }
411
412 if (workspace == NULL) {
413 DLOG("Window is not being managed, ignoring ConfigureRequest\n");
414 goto out;
415 }
416
417 if (config.focus_on_window_activation == FOWA_FOCUS || (config.focus_on_window_activation == FOWA_SMART && workspace_is_visible(workspace))) {
418 DLOG("Focusing con = %p\n", con);
419 workspace_show(workspace);
421 tree_render();
422 } else if (config.focus_on_window_activation == FOWA_URGENT || (config.focus_on_window_activation == FOWA_SMART && !workspace_is_visible(workspace))) {
423 DLOG("Marking con = %p urgent\n", con);
424 con_set_urgency(con, true);
425 con = remanage_window(con);
426 tree_render();
427 } else {
428 DLOG("Ignoring request for con = %p.\n", con);
429 }
430 }
431
432out:
434}
435
436/*
437 * Gets triggered upon a RandR screen change event, that is when the user
438 * changes the screen configuration in any way (mode, position, …)
439 *
440 */
441static void handle_screen_change(xcb_generic_event_t *e) {
442 DLOG("RandR screen change\n");
443
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);
448 if (reply == NULL) {
449 ELOG("Could not get geometry of the root window, exiting\n");
450 exit(EXIT_FAILURE);
451 }
452 DLOG("root geometry reply: (%d, %d) %d x %d\n", reply->x, reply->y, reply->width, reply->height);
453
454 croot->rect.width = reply->width;
455 croot->rect.height = reply->height;
456
458
460
461 ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
462}
463
464/*
465 * Our window decorations were unmapped. That means, the window will be killed
466 * now, so we better clean up before.
467 *
468 */
469static 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);
473 if (con == NULL) {
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);
477 if (con == NULL) {
478 LOG("Not a managed window, ignoring UnmapNotify event\n");
479 return;
480 }
481
482 if (con->ignore_unmap > 0)
483 con->ignore_unmap--;
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);
487 goto ignore_end;
488 }
489
490 /* See the end of this function. */
491 cookie = xcb_get_input_focus(conn);
492
493 if (con->ignore_unmap > 0) {
494 DLOG("ignore_unmap = %d, dec\n", con->ignore_unmap);
495 con->ignore_unmap--;
496 goto ignore_end;
497 }
498
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);
503
505 tree_render();
506
507ignore_end:
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.
512 *
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.
518 *
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);
522
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));
529}
530
531/*
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).
535 *
536 * We just pass on the event to the unmap notify handler (by copying the
537 * important fields in the event data structure).
538 *
539 */
540static 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);
542
543 xcb_unmap_notify_event_t unmap;
544 unmap.sequence = event->sequence;
545 unmap.event = event->event;
546 unmap.window = event->window;
547
549}
550
551static bool window_name_changed(i3Window *window, char *old_name) {
552 if ((old_name == NULL) && (window->name == NULL))
553 return false;
554
555 /* Either the old or the new one is NULL, but not both. */
556 if ((old_name == NULL) ^ (window->name == NULL))
557 return true;
558
559 return (strcmp(old_name, i3string_as_utf8(window->name)) != 0);
560}
561
562/*
563 * Called when a window changes its title
564 *
565 */
566static bool handle_windowname_change(Con *con, xcb_get_property_reply_t *prop) {
567 char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
568
569 window_update_name(con->window, prop);
570
571 con = remanage_window(con);
572
574
575 if (window_name_changed(con->window, old_name))
576 ipc_send_window_event("title", con);
577
578 FREE(old_name);
579
580 return true;
581}
582
583/*
584 * Handles legacy window name updates (WM_NAME), see also src/window.c,
585 * window_update_name_legacy().
586 *
587 */
588static bool handle_windowname_change_legacy(Con *con, xcb_get_property_reply_t *prop) {
589 char *old_name = (con->window->name != NULL ? sstrdup(i3string_as_utf8(con->window->name)) : NULL);
590
592
593 con = remanage_window(con);
594
596
597 if (window_name_changed(con->window, old_name))
598 ipc_send_window_event("title", con);
599
600 FREE(old_name);
601
602 return true;
603}
604
605/*
606 * Called when a window changes its WM_WINDOW_ROLE.
607 *
608 */
609static bool handle_windowrole_change(Con *con, xcb_get_property_reply_t *prop) {
610 window_update_role(con->window, prop);
611
612 con = remanage_window(con);
613
614 return true;
615}
616
617/*
618 * Expose event means we should redraw our windows (= title bar)
619 *
620 */
621static void handle_expose_event(xcb_expose_event_t *event) {
622 Con *parent;
623
624 DLOG("window = %08x\n", event->window);
625
626 if ((parent = con_by_frame_id(event->window)) == NULL) {
627 LOG("expose event for unknown window, ignoring\n");
628 return;
629 }
630
631 /* Since we render to our surface on every change anyways, expose events
632 * only tell us that the X server lost (parts of) the window contents. */
633 draw_util_copy_surface(&(parent->frame_buffer), &(parent->frame),
634 0, 0, 0, 0, parent->rect.width, parent->rect.height);
635 xcb_flush(conn);
636}
637
638#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT 0
639#define _NET_WM_MOVERESIZE_SIZE_TOP 1
640#define _NET_WM_MOVERESIZE_SIZE_TOPRIGHT 2
641#define _NET_WM_MOVERESIZE_SIZE_RIGHT 3
642#define _NET_WM_MOVERESIZE_SIZE_BOTTOMRIGHT 4
643#define _NET_WM_MOVERESIZE_SIZE_BOTTOM 5
644#define _NET_WM_MOVERESIZE_SIZE_BOTTOMLEFT 6
645#define _NET_WM_MOVERESIZE_SIZE_LEFT 7
646#define _NET_WM_MOVERESIZE_MOVE 8 /* movement only */
647#define _NET_WM_MOVERESIZE_SIZE_KEYBOARD 9 /* size via keyboard */
648#define _NET_WM_MOVERESIZE_MOVE_KEYBOARD 10 /* move via keyboard */
649#define _NET_WM_MOVERESIZE_CANCEL 11 /* cancel operation */
650
651#define _NET_MOVERESIZE_WINDOW_X (1 << 8)
652#define _NET_MOVERESIZE_WINDOW_Y (1 << 9)
653#define _NET_MOVERESIZE_WINDOW_WIDTH (1 << 10)
654#define _NET_MOVERESIZE_WINDOW_HEIGHT (1 << 11)
655
656/*
657 * Handle client messages (EWMH)
658 *
659 */
660static void handle_client_message(xcb_client_message_event_t *event) {
661 /* If this is a startup notification ClientMessage, the library will handle
662 * it and call our monitor_event() callback. */
663 if (sn_xcb_display_process_event(sndisplay, (xcb_generic_event_t *)event))
664 return;
665
666 LOG("ClientMessage for window 0x%08x\n", event->window);
667 if (event->type == A__NET_WM_STATE) {
668 if (event->format != 32 ||
669 (event->data.data32[1] != A__NET_WM_STATE_FULLSCREEN &&
670 event->data.data32[1] != A__NET_WM_STATE_DEMANDS_ATTENTION &&
671 event->data.data32[1] != A__NET_WM_STATE_STICKY)) {
672 DLOG("Unknown atom in clientmessage of type %d\n", event->data.data32[1]);
673 return;
674 }
675
676 Con *con = con_by_window_id(event->window);
677 if (con == NULL) {
678 DLOG("Could not get window for client message\n");
679 return;
680 }
681
682 if (event->data.data32[1] == A__NET_WM_STATE_FULLSCREEN) {
683 /* Check if the fullscreen state should be toggled */
684 if ((con->fullscreen_mode != CF_NONE &&
685 (event->data.data32[0] == _NET_WM_STATE_REMOVE ||
686 event->data.data32[0] == _NET_WM_STATE_TOGGLE)) ||
687 (con->fullscreen_mode == CF_NONE &&
688 (event->data.data32[0] == _NET_WM_STATE_ADD ||
689 event->data.data32[0] == _NET_WM_STATE_TOGGLE))) {
690 DLOG("toggling fullscreen\n");
692 }
693 } else if (event->data.data32[1] == A__NET_WM_STATE_DEMANDS_ATTENTION) {
694 /* Check if the urgent flag must be set or not */
695 if (event->data.data32[0] == _NET_WM_STATE_ADD) {
696 con_set_urgency(con, true);
697 con = remanage_window(con);
698 } else if (event->data.data32[0] == _NET_WM_STATE_REMOVE) {
699 con_set_urgency(con, false);
700 con = remanage_window(con);
701 } else if (event->data.data32[0] == _NET_WM_STATE_TOGGLE) {
702 con_set_urgency(con, !con->urgent);
703 con = remanage_window(con);
704 }
705 } else if (event->data.data32[1] == A__NET_WM_STATE_STICKY) {
706 DLOG("Received a client message to modify _NET_WM_STATE_STICKY.\n");
707 if (event->data.data32[0] == _NET_WM_STATE_ADD)
708 con->sticky = true;
709 else if (event->data.data32[0] == _NET_WM_STATE_REMOVE)
710 con->sticky = false;
711 else if (event->data.data32[0] == _NET_WM_STATE_TOGGLE)
712 con->sticky = !con->sticky;
713
714 DLOG("New sticky status for con = %p is %i.\n", con, con->sticky);
715 ewmh_update_sticky(con->window->id, con->sticky);
718 }
719
720 tree_render();
721 } else if (event->type == A__NET_ACTIVE_WINDOW) {
722 if (event->format != 32)
723 return;
724
725 DLOG("_NET_ACTIVE_WINDOW: Window 0x%08x should be activated\n", event->window);
726
727 Con *con = con_by_window_id(event->window);
728 if (con == NULL) {
729 DLOG("Could not get window for client message\n");
730 return;
731 }
732
733 Con *ws = con_get_workspace(con);
734 if (ws == NULL) {
735 DLOG("Window is not being managed, ignoring _NET_ACTIVE_WINDOW\n");
736 return;
737 }
738
739 if (con_is_internal(ws) && ws != workspace_get("__i3_scratch")) {
740 DLOG("Workspace is internal but not scratchpad, ignoring _NET_ACTIVE_WINDOW\n");
741 return;
742 }
743
744 /* data32[0] indicates the source of the request (application or pager) */
745 if (event->data.data32[0] == 2) {
746 /* Always focus the con if it is from a pager, because this is most
747 * likely from some user action */
748 DLOG("This request came from a pager. Focusing con = %p\n", con);
749
750 if (con_is_internal(ws)) {
751 scratchpad_show(con);
752 } else {
753 workspace_show(ws);
754 /* Re-set focus, even if unchanged from i3’s perspective. */
755 focused_id = XCB_NONE;
757 }
758 } else {
759 /* Request is from an application. */
760 if (con_is_internal(ws)) {
761 DLOG("Ignoring request to make con = %p active because it's on an internal workspace.\n", con);
762 return;
763 }
764
765 if (config.focus_on_window_activation == FOWA_FOCUS || (config.focus_on_window_activation == FOWA_SMART && workspace_is_visible(ws))) {
766 DLOG("Focusing con = %p\n", con);
768 } else if (config.focus_on_window_activation == FOWA_URGENT || (config.focus_on_window_activation == FOWA_SMART && !workspace_is_visible(ws))) {
769 DLOG("Marking con = %p urgent\n", con);
770 con_set_urgency(con, true);
771 con = remanage_window(con);
772 } else
773 DLOG("Ignoring request for con = %p.\n", con);
774 }
775
776 tree_render();
777 } else if (event->type == A_I3_SYNC) {
778 xcb_window_t window = event->data.data32[0];
779 uint32_t rnd = event->data.data32[1];
780 sync_respond(window, rnd);
781 } else if (event->type == A__NET_REQUEST_FRAME_EXTENTS) {
782 /*
783 * A client can request an estimate for the frame size which the window
784 * manager will put around it before actually mapping its window. Java
785 * does this (as of openjdk-7).
786 *
787 * Note that the calculation below is not entirely accurate — once you
788 * set a different border type, it’s off. We _could_ request all the
789 * window properties (which have to be set up at this point according
790 * to EWMH), but that seems rather elaborate. The standard explicitly
791 * says the application must cope with an estimate that is not entirely
792 * accurate.
793 */
794 DLOG("_NET_REQUEST_FRAME_EXTENTS for window 0x%08x\n", event->window);
795
796 /* The reply data: approximate frame size */
797 Rect r = {
798 config.default_border_width, /* left */
799 config.default_border_width, /* right */
800 render_deco_height(), /* top */
801 config.default_border_width /* bottom */
802 };
803 xcb_change_property(
804 conn,
805 XCB_PROP_MODE_REPLACE,
806 event->window,
807 A__NET_FRAME_EXTENTS,
808 XCB_ATOM_CARDINAL, 32, 4,
809 &r);
810 xcb_flush(conn);
811 } else if (event->type == A_WM_CHANGE_STATE) {
812 /* http://tronche.com/gui/x/icccm/sec-4.html#s-4.1.4 */
813 if (event->data.data32[0] == XCB_ICCCM_WM_STATE_ICONIC) {
814 /* For compatibility reasons, Wine will request iconic state and cannot ensure that the WM has agreed on it;
815 * immediately revert to normal to avoid being stuck in a paused state. */
816 DLOG("Client has requested iconic state, rejecting. (window = %08x)\n", event->window);
817 long data[] = {XCB_ICCCM_WM_STATE_NORMAL, XCB_NONE};
818 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, event->window,
819 A_WM_STATE, A_WM_STATE, 32, 2, data);
820 } else {
821 DLOG("Not handling WM_CHANGE_STATE request. (window = %08x, state = %d)\n", event->window, event->data.data32[0]);
822 }
823 } else if (event->type == A__NET_CURRENT_DESKTOP) {
824 /* This request is used by pagers and bars to change the current
825 * desktop likely as a result of some user action. We interpret this as
826 * a request to focus the given workspace. See
827 * https://standards.freedesktop.org/wm-spec/latest/ar01s03.html#idm140251368135008
828 * */
829 DLOG("Request to change current desktop to index %d\n", event->data.data32[0]);
830 Con *ws = ewmh_get_workspace_by_index(event->data.data32[0]);
831 if (ws == NULL) {
832 ELOG("Could not determine workspace for this index, ignoring request.\n");
833 return;
834 }
835
836 DLOG("Handling request to focus workspace %s\n", ws->name);
837 workspace_show(ws);
838 tree_render();
839 } else if (event->type == A__NET_WM_DESKTOP) {
840 uint32_t index = event->data.data32[0];
841 DLOG("Request to move window %d to EWMH desktop index %d\n", event->window, index);
842
843 Con *con = con_by_window_id(event->window);
844 if (con == NULL) {
845 DLOG("Couldn't find con for window %d, ignoring the request.\n", event->window);
846 return;
847 }
848
849 if (index == NET_WM_DESKTOP_ALL) {
850 /* The window is requesting to be visible on all workspaces, so
851 * let's float it and make it sticky. */
852 DLOG("The window was requested to be visible on all workspaces, making it sticky and floating.\n");
853
854 if (floating_enable(con, false)) {
855 con->floating = FLOATING_AUTO_ON;
856
857 con->sticky = true;
858 ewmh_update_sticky(con->window->id, true);
860 }
861 } else {
862 Con *ws = ewmh_get_workspace_by_index(index);
863 if (ws == NULL) {
864 ELOG("Could not determine workspace for this index, ignoring request.\n");
865 return;
866 }
867
868 con_move_to_workspace(con, ws, true, false, false);
869 }
870
871 tree_render();
873 } else if (event->type == A__NET_CLOSE_WINDOW) {
874 /*
875 * Pagers wanting to close a window MUST send a _NET_CLOSE_WINDOW
876 * client message request to the root window.
877 * https://standards.freedesktop.org/wm-spec/wm-spec-latest.html#idm140200472668896
878 */
879 Con *con = con_by_window_id(event->window);
880 if (con) {
881 DLOG("Handling _NET_CLOSE_WINDOW request (con = %p)\n", con);
882
883 if (event->data.data32[0])
884 last_timestamp = event->data.data32[0];
885
886 tree_close_internal(con, KILL_WINDOW, false);
887 tree_render();
888 } else {
889 DLOG("Couldn't find con for _NET_CLOSE_WINDOW request. (window = %08x)\n", event->window);
890 }
891 } else if (event->type == A__NET_WM_MOVERESIZE) {
892 /*
893 * Client-side decorated Gtk3 windows emit this signal when being
894 * dragged by their GtkHeaderBar
895 */
896 Con *con = con_by_window_id(event->window);
897 if (!con || !con_is_floating(con)) {
898 DLOG("Couldn't find con for _NET_WM_MOVERESIZE request, or con not floating (window = %08x)\n", event->window);
899 return;
900 }
901 DLOG("Handling _NET_WM_MOVERESIZE request (con = %p)\n", con);
902 uint32_t direction = event->data.data32[2];
903 uint32_t x_root = event->data.data32[0];
904 uint32_t y_root = event->data.data32[1];
905 /* construct fake xcb_button_press_event_t */
906 xcb_button_press_event_t fake = {
907 .root_x = x_root,
908 .root_y = y_root,
909 .event_x = x_root - (con->rect.x),
910 .event_y = y_root - (con->rect.y)};
911 switch (direction) {
913 floating_drag_window(con->parent, &fake, false);
914 break;
916 floating_resize_window(con->parent, false, &fake);
917 break;
918 default:
919 DLOG("_NET_WM_MOVERESIZE direction %d not implemented\n", direction);
920 break;
921 }
922 } else if (event->type == A__NET_MOVERESIZE_WINDOW) {
923 DLOG("Received _NET_MOVE_RESIZE_WINDOW. Handling by faking a configure request.\n");
924
925 void *_generated_event = scalloc(32, 1);
926 xcb_configure_request_event_t *generated_event = _generated_event;
927
928 generated_event->window = event->window;
929 generated_event->response_type = XCB_CONFIGURE_REQUEST;
930
931 generated_event->value_mask = 0;
932 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_X) {
933 generated_event->value_mask |= XCB_CONFIG_WINDOW_X;
934 generated_event->x = event->data.data32[1];
935 }
936 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_Y) {
937 generated_event->value_mask |= XCB_CONFIG_WINDOW_Y;
938 generated_event->y = event->data.data32[2];
939 }
940 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_WIDTH) {
941 generated_event->value_mask |= XCB_CONFIG_WINDOW_WIDTH;
942 generated_event->width = event->data.data32[3];
943 }
944 if (event->data.data32[0] & _NET_MOVERESIZE_WINDOW_HEIGHT) {
945 generated_event->value_mask |= XCB_CONFIG_WINDOW_HEIGHT;
946 generated_event->height = event->data.data32[4];
947 }
948
949 handle_configure_request(generated_event);
950 FREE(generated_event);
951 } else {
952 DLOG("Skipping client message for unhandled type %d\n", event->type);
953 }
954}
955
956static bool handle_window_type(Con *con, xcb_get_property_reply_t *reply) {
957 window_update_type(con->window, reply);
958 return true;
959}
960
961/*
962 * Handles the size hints set by a window, but currently only the part necessary for displaying
963 * clients proportionally inside their frames (mplayer for example)
964 *
965 * See ICCCM 4.1.2.3 for more details
966 *
967 */
968static bool handle_normal_hints(Con *con, xcb_get_property_reply_t *reply) {
969 bool changed = window_update_normal_hints(con->window, reply, NULL);
970
971 if (changed) {
972 Con *floating = con_inside_floating(con);
973 if (floating) {
974 floating_check_size(con, false);
975 tree_render();
976 }
977 }
978
979 FREE(reply);
980 return true;
981}
982
983/*
984 * Handles the WM_HINTS property for extracting the urgency state of the window.
985 *
986 */
987static bool handle_hints(Con *con, xcb_get_property_reply_t *reply) {
988 bool urgency_hint;
989 window_update_hints(con->window, reply, &urgency_hint);
990 con_set_urgency(con, urgency_hint);
991 remanage_window(con);
992 tree_render();
993 return true;
994}
995
996/*
997 * Handles the transient for hints set by a window, signalizing that this window is a popup window
998 * for some other window.
999 *
1000 * See ICCCM 4.1.2.6 for more details
1001 *
1002 */
1003static bool handle_transient_for(Con *con, xcb_get_property_reply_t *prop) {
1005 return true;
1006}
1007
1008/*
1009 * Handles changes of the WM_CLIENT_LEADER atom which specifies if this is a
1010 * toolwindow (or similar) and to which window it belongs (logical parent).
1011 *
1012 */
1013static bool handle_clientleader_change(Con *con, xcb_get_property_reply_t *prop) {
1014 window_update_leader(con->window, prop);
1015 return true;
1016}
1017
1018/*
1019 * Handles FocusIn events which are generated by clients (i3’s focus changes
1020 * don’t generate FocusIn events due to a different EventMask) and updates the
1021 * decorations accordingly.
1022 *
1023 */
1024static void handle_focus_in(xcb_focus_in_event_t *event) {
1025 DLOG("focus change in, for window 0x%08x\n", event->event);
1026
1027 if (event->event == root) {
1028 DLOG("Received focus in for root window, refocusing the focused window.\n");
1030 focused_id = XCB_NONE;
1032 }
1033
1034 Con *con;
1035 if ((con = con_by_window_id(event->event)) == NULL || con->window == NULL)
1036 return;
1037 DLOG("That is con %p / %s\n", con, con->name);
1038
1039 if (event->mode == XCB_NOTIFY_MODE_GRAB ||
1040 event->mode == XCB_NOTIFY_MODE_UNGRAB) {
1041 DLOG("FocusIn event for grab/ungrab, ignoring\n");
1042 return;
1043 }
1044
1045 if (event->detail == XCB_NOTIFY_DETAIL_POINTER) {
1046 DLOG("notify detail is pointer, ignoring this event\n");
1047 return;
1048 }
1049
1050 /* Floating windows should be refocused to ensure that they are on top of
1051 * other windows. */
1052 if (focused_id == event->event && !con_inside_floating(con)) {
1053 DLOG("focus matches the currently focused window, not doing anything\n");
1054 return;
1055 }
1056
1057 /* Skip dock clients, they cannot get the i3 focus. */
1058 if (con->parent->type == CT_DOCKAREA) {
1059 DLOG("This is a dock client, not focusing.\n");
1060 return;
1061 }
1062
1063 DLOG("focus is different / refocusing floating window: updating decorations\n");
1064
1066
1067 /* We update focused_id because we don’t need to set focus again */
1068 focused_id = event->event;
1069 tree_render();
1070}
1071
1072/*
1073 * Log FocusOut events.
1074 *
1075 */
1076static void handle_focus_out(xcb_focus_in_event_t *event) {
1077 Con *con = con_by_window_id(event->event);
1078 const char *window_name, *mode, *detail;
1079
1080 if (con != NULL) {
1081 window_name = con->name;
1082 if (window_name == NULL) {
1083 window_name = "<unnamed con>";
1084 }
1085 } else if (event->event == root) {
1086 window_name = "<the root window>";
1087 } else {
1088 window_name = "<unknown window>";
1089 }
1090
1091 switch (event->mode) {
1092 case XCB_NOTIFY_MODE_NORMAL:
1093 mode = "Normal";
1094 break;
1095 case XCB_NOTIFY_MODE_GRAB:
1096 mode = "Grab";
1097 break;
1098 case XCB_NOTIFY_MODE_UNGRAB:
1099 mode = "Ungrab";
1100 break;
1101 case XCB_NOTIFY_MODE_WHILE_GRABBED:
1102 mode = "WhileGrabbed";
1103 break;
1104 default:
1105 mode = "<unknown>";
1106 break;
1107 }
1108
1109 switch (event->detail) {
1110 case XCB_NOTIFY_DETAIL_ANCESTOR:
1111 detail = "Ancestor";
1112 break;
1113 case XCB_NOTIFY_DETAIL_VIRTUAL:
1114 detail = "Virtual";
1115 break;
1116 case XCB_NOTIFY_DETAIL_INFERIOR:
1117 detail = "Inferior";
1118 break;
1119 case XCB_NOTIFY_DETAIL_NONLINEAR:
1120 detail = "Nonlinear";
1121 break;
1122 case XCB_NOTIFY_DETAIL_NONLINEAR_VIRTUAL:
1123 detail = "NonlinearVirtual";
1124 break;
1125 case XCB_NOTIFY_DETAIL_POINTER:
1126 detail = "Pointer";
1127 break;
1128 case XCB_NOTIFY_DETAIL_POINTER_ROOT:
1129 detail = "PointerRoot";
1130 break;
1131 case XCB_NOTIFY_DETAIL_NONE:
1132 detail = "NONE";
1133 break;
1134 default:
1135 detail = "unknown";
1136 break;
1137 }
1138
1139 DLOG("focus change out: window 0x%08x (con %p, %s) lost focus with detail=%s, mode=%s\n", event->event, con, window_name, detail, mode);
1140}
1141
1142/*
1143 * Handles ConfigureNotify events for the root window, which are generated when
1144 * the monitor configuration changed.
1145 *
1146 */
1147static void handle_configure_notify(xcb_configure_notify_event_t *event) {
1148 if (event->event != root) {
1149 DLOG("ConfigureNotify for non-root window 0x%08x, ignoring\n", event->event);
1150 return;
1151 }
1152 DLOG("ConfigureNotify for root window 0x%08x\n", event->event);
1153
1154 if (force_xinerama) {
1155 return;
1156 }
1158
1159 ipc_send_event("output", I3_IPC_EVENT_OUTPUT, "{\"change\":\"unspecified\"}");
1160}
1161
1162/*
1163 * Handles SelectionClear events for the root window, which are generated when
1164 * we lose ownership of a selection.
1165 */
1166static void handle_selection_clear(xcb_selection_clear_event_t *event) {
1167 if (event->selection != wm_sn) {
1168 DLOG("SelectionClear for unknown selection %d, ignoring\n", event->selection);
1169 return;
1170 }
1171 LOG("Lost WM_Sn selection, exiting.\n");
1172 exit(EXIT_SUCCESS);
1173
1174 /* unreachable */
1175}
1176
1177/*
1178 * Handles the WM_CLASS property for assignments and criteria selection.
1179 *
1180 */
1181static bool handle_class_change(Con *con, xcb_get_property_reply_t *prop) {
1182 window_update_class(con->window, prop);
1183 con = remanage_window(con);
1184 return true;
1185}
1186
1187/*
1188 * Handles the WM_CLIENT_MACHINE property for assignments and criteria selection.
1189 *
1190 */
1191static bool handle_machine_change(Con *con, xcb_get_property_reply_t *prop) {
1192 window_update_machine(con->window, prop);
1193 con = remanage_window(con);
1194 return true;
1195}
1196
1197/*
1198 * Handles the _MOTIF_WM_HINTS property of specifying window deocration settings.
1199 *
1200 */
1201static bool handle_motif_hints_change(Con *con, xcb_get_property_reply_t *prop) {
1202 border_style_t motif_border_style;
1203 bool has_mwm_hints = window_update_motif_hints(con->window, prop, &motif_border_style);
1204
1205 if (has_mwm_hints && motif_border_style != con->border_style) {
1206 DLOG("Update border style of con %p to %d\n", con, motif_border_style);
1207 con_set_border_style(con, motif_border_style, con->current_border_width);
1208
1210 }
1211
1212 return true;
1213}
1214
1215/*
1216 * Handles the _NET_WM_STRUT_PARTIAL property for allocating space for dock clients.
1217 *
1218 */
1219static bool handle_strut_partial_change(Con *con, xcb_get_property_reply_t *prop) {
1221
1222 /* we only handle this change for dock clients */
1223 if (con->parent == NULL || con->parent->type != CT_DOCKAREA) {
1224 return true;
1225 }
1226
1227 Con *search_at = croot;
1228 Con *output = con_get_output(con);
1229 if (output != NULL) {
1230 DLOG("Starting search at output %s\n", output->name);
1231 search_at = output;
1232 }
1233
1234 /* find out the desired position of this dock window */
1235 if (con->window->reserved.top > 0 && con->window->reserved.bottom == 0) {
1236 DLOG("Top dock client\n");
1237 con->window->dock = W_DOCK_TOP;
1238 } else if (con->window->reserved.top == 0 && con->window->reserved.bottom > 0) {
1239 DLOG("Bottom dock client\n");
1240 con->window->dock = W_DOCK_BOTTOM;
1241 } else {
1242 DLOG("Ignoring invalid reserved edges (_NET_WM_STRUT_PARTIAL), using position as fallback:\n");
1243 if (con->geometry.y < (search_at->rect.height / 2)) {
1244 DLOG("geom->y = %d < rect.height / 2 = %d, it is a top dock client\n",
1245 con->geometry.y, (search_at->rect.height / 2));
1246 con->window->dock = W_DOCK_TOP;
1247 } else {
1248 DLOG("geom->y = %d >= rect.height / 2 = %d, it is a bottom dock client\n",
1249 con->geometry.y, (search_at->rect.height / 2));
1250 con->window->dock = W_DOCK_BOTTOM;
1251 }
1252 }
1253
1254 /* find the dockarea */
1255 Con *dockarea = con_for_window(search_at, con->window, NULL);
1256 assert(dockarea != NULL);
1257
1258 /* attach the dock to the dock area */
1259 con_detach(con);
1260 con_attach(con, dockarea, true);
1261
1262 tree_render();
1263
1264 return true;
1265}
1266
1267/*
1268 * Handles the _I3_FLOATING_WINDOW property to properly run assignments for
1269 * floating window changes.
1270 *
1271 * This is needed to correctly run the assignments after changes in floating
1272 * windows which are triggered by user commands (floating enable | disable). In
1273 * that case, we can't call run_assignments because it will modify the parser
1274 * state when it needs to parse the user-specified action, breaking the parser
1275 * state for the original command.
1276 *
1277 */
1278static bool handle_i3_floating(Con *con, xcb_get_property_reply_t *prop) {
1279 DLOG("floating change for con %p\n", con);
1280
1281 remanage_window(con);
1282
1283 return true;
1284}
1285
1286static bool handle_windowicon_change(Con *con, xcb_get_property_reply_t *prop) {
1287 window_update_icon(con->window, prop);
1288
1290
1291 return true;
1292}
1293
1294/* Returns false if the event could not be processed (e.g. the window could not
1295 * be found), true otherwise */
1296typedef bool (*cb_property_handler_t)(Con *con, xcb_get_property_reply_t *property);
1297
1303
1305 {0, 128, handle_windowname_change},
1306 {0, UINT_MAX, handle_hints},
1308 {0, UINT_MAX, handle_normal_hints},
1309 {0, UINT_MAX, handle_clientleader_change},
1310 {0, UINT_MAX, handle_transient_for},
1311 {0, 128, handle_windowrole_change},
1312 {0, 128, handle_class_change},
1313 {0, UINT_MAX, handle_strut_partial_change},
1314 {0, UINT_MAX, handle_window_type},
1315 {0, UINT_MAX, handle_i3_floating},
1316 {0, 128, handle_machine_change},
1317 {0, 5 * sizeof(uint64_t), handle_motif_hints_change},
1318 {0, UINT_MAX, handle_windowicon_change}};
1319#define NUM_HANDLERS (sizeof(property_handlers) / sizeof(struct property_handler_t))
1320
1321/*
1322 * Sets the appropriate atoms for the property handlers after the atoms were
1323 * received from X11
1324 *
1325 */
1327 sn_monitor_context_new(sndisplay, conn_screen, startup_monitor_event, NULL, NULL);
1328
1329 property_handlers[0].atom = A__NET_WM_NAME;
1330 property_handlers[1].atom = XCB_ATOM_WM_HINTS;
1331 property_handlers[2].atom = XCB_ATOM_WM_NAME;
1332 property_handlers[3].atom = XCB_ATOM_WM_NORMAL_HINTS;
1333 property_handlers[4].atom = A_WM_CLIENT_LEADER;
1334 property_handlers[5].atom = XCB_ATOM_WM_TRANSIENT_FOR;
1335 property_handlers[6].atom = A_WM_WINDOW_ROLE;
1336 property_handlers[7].atom = XCB_ATOM_WM_CLASS;
1337 property_handlers[8].atom = A__NET_WM_STRUT_PARTIAL;
1338 property_handlers[9].atom = A__NET_WM_WINDOW_TYPE;
1339 property_handlers[10].atom = A_I3_FLOATING_WINDOW;
1340 property_handlers[11].atom = XCB_ATOM_WM_CLIENT_MACHINE;
1341 property_handlers[12].atom = A__MOTIF_WM_HINTS;
1342 property_handlers[13].atom = A__NET_WM_ICON;
1343}
1344
1345static void property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom) {
1346 struct property_handler_t *handler = NULL;
1347 xcb_get_property_reply_t *propr = NULL;
1348 xcb_generic_error_t *err = NULL;
1349 Con *con;
1350
1351 for (size_t c = 0; c < NUM_HANDLERS; c++) {
1352 if (property_handlers[c].atom != atom)
1353 continue;
1354
1355 handler = &property_handlers[c];
1356 break;
1357 }
1358
1359 if (handler == NULL) {
1360 /* DLOG("Unhandled property notify for atom %d (0x%08x)\n", atom, atom); */
1361 return;
1362 }
1363
1364 if ((con = con_by_window_id(window)) == NULL || con->window == NULL) {
1365 DLOG("Received property for atom %d for unknown client\n", atom);
1366 return;
1367 }
1368
1369 if (state != XCB_PROPERTY_DELETE) {
1370 xcb_get_property_cookie_t cookie = xcb_get_property(conn, 0, window, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, handler->long_len);
1371 propr = xcb_get_property_reply(conn, cookie, &err);
1372 if (err != NULL) {
1373 DLOG("got error %d when getting property of atom %d\n", err->error_code, atom);
1374 FREE(err);
1375 return;
1376 }
1377 }
1378
1379 /* the handler will free() the reply unless it returns false */
1380 if (!handler->cb(con, propr))
1381 FREE(propr);
1382}
1383
1384/*
1385 * Takes an xcb_generic_event_t and calls the appropriate handler, based on the
1386 * event type.
1387 *
1388 */
1389void handle_event(int type, xcb_generic_event_t *event) {
1390 if (type != XCB_MOTION_NOTIFY)
1391 DLOG("event type %d, xkb_base %d\n", type, xkb_base);
1392
1393 if (randr_base > -1 &&
1394 type == randr_base + XCB_RANDR_SCREEN_CHANGE_NOTIFY) {
1395 handle_screen_change(event);
1396 return;
1397 }
1398
1399 if (xkb_base > -1 && type == xkb_base) {
1400 DLOG("xkb event, need to handle it.\n");
1401
1402 xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
1403 if (state->xkbType == XCB_XKB_NEW_KEYBOARD_NOTIFY) {
1404 DLOG("xkb new keyboard notify, sequence %d, time %d\n", state->sequence, state->time);
1405 xcb_key_symbols_free(keysyms);
1406 keysyms = xcb_key_symbols_alloc(conn);
1407 if (((xcb_xkb_new_keyboard_notify_event_t *)event)->changed & XCB_XKB_NKN_DETAIL_KEYCODES)
1408 (void)load_keymap();
1412 } else if (state->xkbType == XCB_XKB_MAP_NOTIFY) {
1413 if (event_is_ignored(event->sequence, type)) {
1414 DLOG("Ignoring map notify event for sequence %d.\n", state->sequence);
1415 } else {
1416 DLOG("xkb map notify, sequence %d, time %d\n", state->sequence, state->time);
1417 add_ignore_event(event->sequence, type);
1418 xcb_key_symbols_free(keysyms);
1419 keysyms = xcb_key_symbols_alloc(conn);
1423 (void)load_keymap();
1424 }
1425 } else if (state->xkbType == XCB_XKB_STATE_NOTIFY) {
1426 DLOG("xkb state group = %d\n", state->group);
1427 if (xkb_current_group == state->group)
1428 return;
1429 xkb_current_group = state->group;
1432 }
1433
1434 return;
1435 }
1436
1437 if (shape_supported && type == shape_base + XCB_SHAPE_NOTIFY) {
1438 xcb_shape_notify_event_t *shape = (xcb_shape_notify_event_t *)event;
1439
1440 DLOG("shape_notify_event for window 0x%08x, shape_kind = %d, shaped = %d\n",
1441 shape->affected_window, shape->shape_kind, shape->shaped);
1442
1443 Con *con = con_by_window_id(shape->affected_window);
1444 if (con == NULL) {
1445 LOG("Not a managed window 0x%08x, ignoring shape_notify_event\n",
1446 shape->affected_window);
1447 return;
1448 }
1449
1450 if (shape->shape_kind == XCB_SHAPE_SK_BOUNDING ||
1451 shape->shape_kind == XCB_SHAPE_SK_INPUT) {
1452 x_set_shape(con, shape->shape_kind, shape->shaped);
1453 }
1454
1455 return;
1456 }
1457
1458 switch (type) {
1459 case XCB_KEY_PRESS:
1460 case XCB_KEY_RELEASE:
1461 handle_key_press((xcb_key_press_event_t *)event);
1462 break;
1463
1464 case XCB_BUTTON_PRESS:
1465 case XCB_BUTTON_RELEASE:
1466 handle_button_press((xcb_button_press_event_t *)event);
1467 break;
1468
1469 case XCB_MAP_REQUEST:
1470 handle_map_request((xcb_map_request_event_t *)event);
1471 break;
1472
1473 case XCB_UNMAP_NOTIFY:
1474 handle_unmap_notify_event((xcb_unmap_notify_event_t *)event);
1475 break;
1476
1477 case XCB_DESTROY_NOTIFY:
1478 handle_destroy_notify_event((xcb_destroy_notify_event_t *)event);
1479 break;
1480
1481 case XCB_EXPOSE:
1482 if (((xcb_expose_event_t *)event)->count == 0) {
1483 handle_expose_event((xcb_expose_event_t *)event);
1484 }
1485
1486 break;
1487
1488 case XCB_MOTION_NOTIFY:
1489 handle_motion_notify((xcb_motion_notify_event_t *)event);
1490 break;
1491
1492 /* Enter window = user moved their mouse over the window */
1493 case XCB_ENTER_NOTIFY:
1494 handle_enter_notify((xcb_enter_notify_event_t *)event);
1495 break;
1496
1497 /* Client message are sent to the root window. The only interesting
1498 * client message for us is _NET_WM_STATE, we honour
1499 * _NET_WM_STATE_FULLSCREEN and _NET_WM_STATE_DEMANDS_ATTENTION */
1500 case XCB_CLIENT_MESSAGE:
1501 handle_client_message((xcb_client_message_event_t *)event);
1502 break;
1503
1504 /* Configure request = window tried to change size on its own */
1505 case XCB_CONFIGURE_REQUEST:
1506 handle_configure_request((xcb_configure_request_event_t *)event);
1507 break;
1508
1509 /* Mapping notify = keyboard mapping changed (Xmodmap), re-grab bindings */
1510 case XCB_MAPPING_NOTIFY:
1511 handle_mapping_notify((xcb_mapping_notify_event_t *)event);
1512 break;
1513
1514 case XCB_FOCUS_IN:
1515 handle_focus_in((xcb_focus_in_event_t *)event);
1516 break;
1517
1518 case XCB_FOCUS_OUT:
1519 handle_focus_out((xcb_focus_out_event_t *)event);
1520 break;
1521
1522 case XCB_PROPERTY_NOTIFY: {
1523 xcb_property_notify_event_t *e = (xcb_property_notify_event_t *)event;
1524 last_timestamp = e->time;
1525 property_notify(e->state, e->window, e->atom);
1526 break;
1527 }
1528
1529 case XCB_CONFIGURE_NOTIFY:
1530 handle_configure_notify((xcb_configure_notify_event_t *)event);
1531 break;
1532
1533 case XCB_SELECTION_CLEAR:
1534 handle_selection_clear((xcb_selection_clear_event_t *)event);
1535 break;
1536
1537 default:
1538 /* DLOG("Unhandled event of type %d\n", type); */
1539 break;
1540 }
1541}
bool load_keymap(void)
Loads the XKB keymap from the X11 server and feeds it to xkbcommon.
Definition bindings.c:956
void grab_all_keys(xcb_connection_t *conn)
Grab the bound keys (tell X to send us keypress events for those keycodes)
Definition bindings.c:149
void translate_keysyms(void)
Translates keysymbols to keycodes for all bindings which use keysyms.
Definition bindings.c:434
void handle_button_press(xcb_button_press_event_t *event)
The button press X callback.
Definition click.c:361
#define y(x,...)
Definition commands.c:18
static cmdp_state state
void con_move_to_workspace(Con *con, Con *workspace, bool fix_coordinates, bool dont_warp, bool ignore_focus)
Moves the given container to the currently focused container on the given workspace.
Definition con.c:1466
void con_set_urgency(Con *con, bool urgent)
Set urgency flag to the container, all the parent containers and the workspace.
Definition con.c:2273
bool con_is_floating(Con *con)
Returns true if the node is floating.
Definition con.c:596
Con * con_for_window(Con *con, i3Window *window, Match **store_match)
Returns the first container below 'con' which wants to swallow this window TODO: priority.
Definition con.c:890
Con * con_get_workspace(Con *con)
Gets the workspace container this node is on.
Definition con.c:477
void con_set_border_style(Con *con, border_style_t border_style, int border_width)
Sets the given border style on con, correctly keeping the position/size of a floating window.
Definition con.c:1845
Con * con_by_window_id(xcb_window_t window)
Returns the container with the given client window ID or NULL if no such container exists.
Definition con.c:671
void con_activate_unblock(Con *con)
Activates the container like in con_activate but removes fullscreen restrictions and properly warps t...
Definition con.c:297
Rect con_border_style_rect(Con *con)
Returns a "relative" Rect which contains the amount of pixels that need to be added to the original R...
Definition con.c:1773
Con * con_get_fullscreen_covering_ws(Con *ws)
Returns the fullscreen node that covers the given workspace if it exists.
Definition con.c:573
Con * con_inside_floating(Con *con)
Checks if the given container is either floating or inside some floating container.
Definition con.c:620
bool con_is_internal(Con *con)
Returns true if the container is internal, such as __i3_scratch.
Definition con.c:588
void con_detach(Con *con)
Detaches the given container from its current parent.
Definition con.c:230
void con_toggle_fullscreen(Con *con, int fullscreen_mode)
Toggles fullscreen mode for the given container.
Definition con.c:1095
void con_attach(Con *con, Con *parent, bool ignore_focus)
Attaches the given container to the given parent.
Definition con.c:222
Con * con_by_frame_id(xcb_window_t frame)
Returns the container with the given frame ID or NULL if no such container exists.
Definition con.c:711
bool con_is_leaf(Con *con)
Returns true when this node is a leaf node (has no children)
Definition con.c:361
void con_focus(Con *con)
Sets input focus to the given container.
Definition con.c:246
Con * con_get_output(Con *con)
Gets the output container (first container with CT_OUTPUT in hierarchy) this node is on.
Definition con.c:463
Con * con_descend_focused(Con *con)
Returns the focused con inside this client, descending the tree as far as possible.
Definition con.c:1590
Config config
Definition config.c:19
void ungrab_all_keys(xcb_connection_t *conn)
Ungrabs all keys, to be called before re-grabbing the keys because of a mapping_notify event or a con...
Definition config.c:29
Con * ewmh_get_workspace_by_index(uint32_t idx)
Returns the workspace container as enumerated by the EWMH desktop model.
Definition ewmh.c:353
void ewmh_update_wm_desktop(void)
Updates _NET_WM_DESKTOP for all windows.
Definition ewmh.c:184
void ewmh_update_sticky(xcb_window_t window, bool sticky)
Set or remove _NET_WM_STATE_STICKY on the window.
Definition ewmh.c:279
void floating_resize_window(Con *con, const bool proportional, const xcb_button_press_event_t *event)
Called when the user clicked on a floating window while holding the floating_modifier and the right m...
Definition floating.c:688
void floating_check_size(Con *floating_con, bool prefer_height)
Called when a floating window is created or resized.
Definition floating.c:75
void floating_drag_window(Con *con, const xcb_button_press_event_t *event, bool use_threshold)
Called when the user clicked on the titlebar of a floating window.
Definition floating.c:590
bool floating_enable(Con *con, bool automatic)
Enables floating mode for the given container by detaching it from its parent, creating a new contain...
Definition floating.c:232
bool floating_reposition(Con *con, Rect newrect)
Repositions the CT_FLOATING_CON to have the coordinates specified by newrect, but only if the coordin...
Definition floating.c:742
static void handle_focus_in(xcb_focus_in_event_t *event)
Definition handlers.c:1024
static void handle_selection_clear(xcb_selection_clear_event_t *event)
Definition handlers.c:1166
static bool handle_windowname_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:566
static void handle_enter_notify(xcb_enter_notify_event_t *event)
Definition handlers.c:122
int randr_base
Definition handlers.c:20
void handle_event(int type, xcb_generic_event_t *event)
Takes an xcb_generic_event_t and calls the appropriate handler, based on the event type.
Definition handlers.c:1389
static void handle_map_request(xcb_map_request_event_t *event)
Definition handlers.c:268
int xkb_current_group
Definition handlers.c:22
static bool handle_hints(Con *con, xcb_get_property_reply_t *reply)
Definition handlers.c:987
#define _NET_WM_MOVERESIZE_SIZE_TOPLEFT
Definition handlers.c:638
static void handle_screen_change(xcb_generic_event_t *e)
Definition handlers.c:441
bool(* cb_property_handler_t)(Con *con, xcb_get_property_reply_t *property)
Definition handlers.c:1296
static void handle_configure_notify(xcb_configure_notify_event_t *event)
Definition handlers.c:1147
#define _NET_WM_MOVERESIZE_SIZE_LEFT
Definition handlers.c:645
static bool handle_motif_hints_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1201
static void handle_destroy_notify_event(xcb_destroy_notify_event_t *event)
Definition handlers.c:540
static bool handle_class_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1181
static void check_crossing_screen_boundary(uint32_t x, uint32_t y)
Definition handlers.c:88
static bool handle_clientleader_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1013
static bool handle_windowicon_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1286
static void handle_client_message(xcb_client_message_event_t *event)
Definition handlers.c:660
static void property_notify(uint8_t state, xcb_window_t window, xcb_atom_t atom)
Definition handlers.c:1345
bool event_is_ignored(const int sequence, const int response_type)
Checks if the given sequence is ignored and returns true if so.
Definition handlers.c:52
#define _NET_MOVERESIZE_WINDOW_HEIGHT
Definition handlers.c:654
static struct property_handler_t property_handlers[]
Definition handlers.c:1304
static bool handle_strut_partial_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1219
int xkb_base
Definition handlers.c:21
void property_handlers_init(void)
Sets the appropriate atoms for the property handlers after the atoms were received from X11.
Definition handlers.c:1326
#define _NET_MOVERESIZE_WINDOW_Y
Definition handlers.c:652
#define COPY_MASK_MEMBER(mask_member, event_member)
#define NUM_HANDLERS
Definition handlers.c:1319
static bool window_name_changed(i3Window *window, char *old_name)
Definition handlers.c:551
static bool handle_windowname_change_legacy(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:588
static bool handle_normal_hints(Con *con, xcb_get_property_reply_t *reply)
Definition handlers.c:968
static void handle_unmap_notify_event(xcb_unmap_notify_event_t *event)
Definition handlers.c:469
int shape_base
Definition handlers.c:23
static bool handle_i3_floating(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1278
static void handle_configure_request(xcb_configure_request_event_t *event)
Definition handlers.c:287
static bool handle_window_type(Con *con, xcb_get_property_reply_t *reply)
Definition handlers.c:956
#define _NET_MOVERESIZE_WINDOW_WIDTH
Definition handlers.c:653
#define _NET_WM_MOVERESIZE_MOVE
Definition handlers.c:646
static void handle_mapping_notify(xcb_mapping_notify_event_t *event)
Definition handlers.c:249
static void handle_expose_event(xcb_expose_event_t *event)
Definition handlers.c:621
static void handle_motion_notify(xcb_motion_notify_event_t *event)
Definition handlers.c:195
static bool handle_machine_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1191
#define _NET_MOVERESIZE_WINDOW_X
Definition handlers.c:651
static bool handle_transient_for(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:1003
static bool handle_windowrole_change(Con *con, xcb_get_property_reply_t *prop)
Definition handlers.c:609
static void handle_focus_out(xcb_focus_in_event_t *event)
Definition handlers.c:1076
void handle_key_press(xcb_key_press_event_t *event)
There was a key press.
Definition key_press.c:18
Con * remanage_window(Con *con)
Remanages a window: performs a swallow check and runs assignments.
Definition manage.c:705
void manage_window(xcb_window_t window, xcb_get_window_attributes_cookie_t cookie, bool needs_to_be_mapped)
Do some sanity checks and then reparent the window.
Definition manage.c:106
void output_push_sticky_windows(Con *old_focus)
Iterates over all outputs and pushes sticky windows to the currently visible workspace on that output...
Definition output.c:77
char * output_primary_name(Output *output)
Retrieves the primary name of an output.
Definition output.c:53
Con * output_get_content(Con *output)
Returns the output container below the given output container.
Definition output.c:16
Output * get_output_containing(unsigned int x, unsigned int y)
Returns the active (!) output which contains the coordinates x, y or NULL if there is no output which...
Definition randr.c:121
void randr_query_outputs(void)
(Re-)queries the outputs via RandR and stores them in the list of outputs.
Definition randr.c:912
int render_deco_height(void)
Returns the height for the decorations.
Definition render.c:27
void scratchpad_fix_resolution(void)
When starting i3 initially (and after each change to the connected outputs), this function fixes the ...
Definition scratchpad.c:247
bool scratchpad_show(Con *con)
Either shows the top-most scratchpad window (con == NULL) or shows the specified con (if it is scratc...
Definition scratchpad.c:85
void startup_monitor_event(SnMonitorEvent *event, void *userdata)
Called by libstartup-notification when something happens.
Definition startup.c:208
void sync_respond(xcb_window_t window, uint32_t rnd)
Definition sync.c:12
struct Con * focused
Definition tree.c:13
struct Con * croot
Definition tree.c:12
bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent)
Closes the given container including all children.
Definition tree.c:191
void tree_render(void)
Renders the tree, that is rendering all outputs using render_con() and pushing the changes to X11 usi...
Definition tree.c:451
bool rect_contains(Rect rect, uint32_t x, uint32_t y)
Definition util.c:32
void window_update_icon(i3Window *win, xcb_get_property_reply_t *prop)
Updates the _NET_WM_ICON.
Definition window.c:517
void window_update_hints(i3Window *win, xcb_get_property_reply_t *prop, bool *urgency_hint)
Updates the WM_HINTS (we only care about the input focus handling part).
Definition window.c:377
void window_update_strut_partial(i3Window *win, xcb_get_property_reply_t *prop)
Updates the _NET_WM_STRUT_PARTIAL (reserved pixels at the screen edges)
Definition window.c:192
void window_update_role(i3Window *win, xcb_get_property_reply_t *prop)
Updates the WM_WINDOW_ROLE.
Definition window.c:217
void window_update_name_legacy(i3Window *win, xcb_get_property_reply_t *prop)
Updates the name by using WM_NAME (encoded in COMPOUND_TEXT).
Definition window.c:103
void window_update_transient_for(i3Window *win, xcb_get_property_reply_t *prop)
Updates the TRANSIENT_FOR (logical parent window).
Definition window.c:167
void window_update_machine(i3Window *win, xcb_get_property_reply_t *prop)
Updates the WM_CLIENT_MACHINE.
Definition window.c:503
void window_update_leader(i3Window *win, xcb_get_property_reply_t *prop)
Updates the CLIENT_LEADER (logical parent window).
Definition window.c:142
bool window_update_normal_hints(i3Window *win, xcb_get_property_reply_t *reply, xcb_get_geometry_reply_t *geom)
Updates the WM_NORMAL_HINTS.
Definition window.c:256
void window_update_name(i3Window *win, xcb_get_property_reply_t *prop)
Updates the name by using _NET_WM_NAME (encoded in UTF-8) for the given window.
Definition window.c:67
void window_update_class(i3Window *win, xcb_get_property_reply_t *prop)
Updates the WM_CLASS (consisting of the class and instance) for the given window.
Definition window.c:34
void window_update_type(i3Window *window, xcb_get_property_reply_t *reply)
Updates the _NET_WM_WINDOW_TYPE property.
Definition window.c:238
bool window_update_motif_hints(i3Window *win, xcb_get_property_reply_t *prop, border_style_t *motif_border_style)
Updates the MOTIF_WM_HINTS.
Definition window.c:461
void workspace_show(Con *workspace)
Switches to the given workspace.
Definition workspace.c:428
bool workspace_is_visible(Con *ws)
Returns true if the workspace is currently visible.
Definition workspace.c:314
Con * workspace_get(const char *num)
Returns a pointer to the workspace with the given number (starting at 0), creating the workspace if n...
Definition workspace.c:131
xcb_window_t focused_id
Stores the X11 window ID of the currently focused window.
Definition x.c:20
void x_push_changes(Con *con)
Pushes all changes (state of each node, see x_push_node() and the window stack) to X11.
Definition x.c:1211
void x_set_shape(Con *con, xcb_shape_sk_t kind, bool enable)
Enables or disables nonrectangular shape of the container frame.
Definition x.c:1501
unsigned int xcb_numlock_mask
Definition xcb.c:12
void fake_absolute_configure_notify(Con *con)
Generates a configure_notify_event with absolute coordinates (relative to the X root window,...
Definition xcb.c:63
void ipc_send_event(const char *event, uint32_t message_type, const char *payload)
Sends the specified event to all IPC clients which are currently connected and subscribed to this kin...
Definition ipc.c:147
void ipc_send_window_event(const char *property, Con *con)
For the window events we send, along the usual "change" field, also the window container,...
Definition ipc.c:1634
xcb_timestamp_t last_timestamp
The last timestamp we got from X11 (timestamps are included in some events and are used for some thin...
Definition main.c:64
xcb_atom_t wm_sn
Definition main.c:70
int conn_screen
Definition main.c:56
xcb_connection_t * conn
XCB connection and root screen.
Definition main.c:54
bool force_xinerama
Definition main.c:107
xcb_key_symbols_t * keysyms
Definition main.c:81
SnDisplay * sndisplay
Definition main.c:59
xcb_window_t root
Definition main.c:67
bool shape_supported
Definition main.c:105
layout_t
Container layouts.
Definition data.h:105
@ L_SPLITH
Definition data.h:112
@ L_SPLITV
Definition data.h:111
@ L_DEFAULT
Definition data.h:106
@ CF_OUTPUT
Definition data.h:634
@ CF_NONE
Definition data.h:633
border_style_t
Definition data.h:65
@ KILL_WINDOW
Definition data.h:74
@ DONT_KILL_WINDOW
Definition data.h:73
void add_ignore_event(const int sequence, const int response_type)
Adds the given sequence to the list of events which are ignored.
void draw_util_copy_surface(surface_t *src, surface_t *dest, double src_x, double src_y, double dest_x, double dest_y, double width, double height)
Copies a surface onto another surface.
#define DLOG(fmt,...)
Definition libi3.h:105
#define LOG(fmt,...)
Definition libi3.h:95
char * sstrdup(const char *str)
Safe-wrapper around strdup which exits if malloc returns NULL (meaning that there is no more memory a...
#define ELOG(fmt,...)
Definition libi3.h:100
const char * i3string_as_utf8(i3String *str)
Returns the UTF-8 encoded version of the i3String.
uint32_t aio_get_mod_mask_for(uint32_t keysym, xcb_key_symbols_t *symbols)
All-in-one function which returns the modifier mask (XCB_MOD_MASK_*) for the given keysymbol,...
void * scalloc(size_t num, size_t size)
Safe-wrapper around calloc which exits if malloc returns NULL (meaning that there is no more memory a...
void * smalloc(size_t size)
Safe-wrapper around malloc which exits if malloc returns NULL (meaning that there is no more memory a...
#define SLIST_FOREACH(var, head, field)
Definition queue.h:114
#define SLIST_END(head)
Definition queue.h:110
#define SLIST_INSERT_HEAD(head, elm, field)
Definition queue.h:138
#define SLIST_NEXT(elm, field)
Definition queue.h:112
#define TAILQ_FIRST(head)
Definition queue.h:336
#define SLIST_HEAD(name, type)
Definition queue.h:93
#define SLIST_FIRST(head)
Definition queue.h:109
#define SLIST_REMOVE(head, elm, type, field)
Definition queue.h:154
#define TAILQ_FOREACH_REVERSE(var, head, headname, field)
Definition queue.h:352
#define FREE(pointer)
Definition util.h:47
#define NET_WM_DESKTOP_ALL
Definition workspace.h:25
#define XCB_NUM_LOCK
Definition xcb.h:22
#define _NET_WM_STATE_TOGGLE
Definition xcb.h:19
#define _NET_WM_STATE_REMOVE
Definition xcb.h:17
#define _NET_WM_STATE_ADD
Definition xcb.h:18
xcb_atom_t atom
Definition handlers.c:1299
cb_property_handler_t cb
Definition handlers.c:1301
int default_border_width
bool disable_focus_follows_mouse
By default, focus follows mouse.
enum Config::@4 focus_on_window_activation
Behavior when a window sends a NET_ACTIVE_WINDOW message.
Stores a rectangle, for example the size of a window, the child window etc.
Definition data.h:189
uint32_t height
Definition data.h:193
uint32_t x
Definition data.h:190
uint32_t y
Definition data.h:191
uint32_t width
Definition data.h:192
uint32_t top
Definition data.h:204
uint32_t bottom
Definition data.h:205
int sequence
Definition data.h:249
time_t added
Definition data.h:251
int response_type
Definition data.h:250
An Output is a physical output on your graphics driver.
Definition data.h:395
Con * con
Pointer to the Con which represents this output.
Definition data.h:415
A 'Window' is a type which contains an xcb_window_t and all the related information (hints like _NET_...
Definition data.h:428
i3String * name
The name of the window.
Definition data.h:445
xcb_window_t id
Definition data.h:429
enum Window::@11 dock
Whether the window says it is a dock window.
struct reservedpx reserved
Pixels the window reserves.
Definition data.h:483
A "match" is a data structure which acts like a mask or expression to match certain windows or not.
Definition data.h:533
A 'Con' represents everything from the X11 root window down to a single X11 window.
Definition data.h:647
struct Con * parent
Definition data.h:682
struct Rect deco_rect
Definition data.h:692
enum Con::@18 type
int border_width
Definition data.h:719
struct Rect rect
Definition data.h:686
int current_border_width
Definition data.h:720
bool sticky
Definition data.h:743
layout_t layout
Definition data.h:759
uint8_t ignore_unmap
This counter contains the number of UnmapNotify events for this container (or, more precisely,...
Definition data.h:659
struct Window * window
Definition data.h:722
surface_t frame
Definition data.h:662
border_style_t border_style
Definition data.h:761
char * name
Definition data.h:696
struct Rect geometry
the geometry this window requested when getting mapped
Definition data.h:694
surface_t frame_buffer
Definition data.h:663
enum Con::@19 floating
floating? (= not in tiling layout) This cannot be simply a bool because we want to keep track of whet...
fullscreen_mode_t fullscreen_mode
Definition data.h:738
bool urgent
Definition data.h:652