2 * vim:ts=4:sw=4:expandtab
7 /* Stores the X11 window ID of the currently focused window */
8 xcb_window_t focused_id = XCB_NONE;
11 * Describes the X11 state we may modify (map state, position, window stack).
12 * There is one entry per container. The state represents the current situation
13 * as X11 sees it (with the exception of the order in the state_head CIRCLEQ,
14 * which represents the order that will be pushed to X11, while old_state_head
15 * represents the current order). It will be updated in x_push_changes().
18 typedef struct con_state {
23 /* For reparenting, we have a flag (need_reparent) and the X ID of the old
24 * frame this window was in. The latter is necessary because we need to
25 * ignore UnmapNotify events (by changing the window event mask). */
27 xcb_window_t old_frame;
36 CIRCLEQ_ENTRY(con_state) state;
37 CIRCLEQ_ENTRY(con_state) old_state;
40 CIRCLEQ_HEAD(state_head, con_state) state_head =
41 CIRCLEQ_HEAD_INITIALIZER(state_head);
43 CIRCLEQ_HEAD(old_state_head, con_state) old_state_head =
44 CIRCLEQ_HEAD_INITIALIZER(old_state_head);
47 * Returns the container state for the given frame. This function always
48 * returns a container state (otherwise, there is a bug in the code and the
49 * container state of a container for which x_con_init() was not called was
53 static con_state *state_for_frame(xcb_window_t window) {
55 CIRCLEQ_FOREACH(state, &state_head, state)
56 if (state->id == window)
59 /* TODO: better error handling? */
60 ELOG("No state found\n");
66 * Initializes the X11 part for the given container. Called exactly once for
67 * every container from con_new().
70 void x_con_init(Con *con) {
71 /* TODO: maybe create the window when rendering first? we could then even
72 * get the initial geometry right */
77 /* our own frames should not be managed */
78 mask |= XCB_CW_OVERRIDE_REDIRECT;
81 /* We want to know when… */
82 mask |= XCB_CW_EVENT_MASK;
83 values[1] = FRAME_EVENT_MASK;
85 Rect dims = { -15, -15, 10, 10 };
86 con->frame = create_window(conn, dims, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCURSOR_CURSOR_POINTER, false, mask, values);
88 struct con_state *state = scalloc(sizeof(struct con_state));
89 state->id = con->frame;
90 state->mapped = false;
91 state->initial = true;
92 CIRCLEQ_INSERT_HEAD(&state_head, state, state);
93 CIRCLEQ_INSERT_HEAD(&old_state_head, state, old_state);
94 DLOG("adding new state for window id 0x%08x\n", state->id);
98 * Re-initializes the associated X window state for this container. You have
99 * to call this when you assign a client to an empty container to ensure that
100 * its state gets updated correctly.
103 void x_reinit(Con *con) {
104 struct con_state *state;
106 if ((state = state_for_frame(con->frame)) == NULL) {
107 ELOG("window state not found\n");
111 DLOG("resetting state %p to initial\n", state);
112 state->initial = true;
113 state->child_mapped = false;
114 memset(&(state->window_rect), 0, sizeof(Rect));
118 * Reparents the child window of the given container (necessary for sticky
119 * containers). The reparenting happens in the next call of x_push_changes().
122 void x_reparent_child(Con *con, Con *old) {
123 struct con_state *state;
124 if ((state = state_for_frame(con->frame)) == NULL) {
125 ELOG("window state for con not found\n");
129 state->need_reparent = true;
130 state->old_frame = old->frame;
134 * Moves a child window from Container src to Container dest.
137 void x_move_win(Con *src, Con *dest) {
138 struct con_state *state_src, *state_dest;
140 if ((state_src = state_for_frame(src->frame)) == NULL) {
141 ELOG("window state for src not found\n");
145 if ((state_dest = state_for_frame(dest->frame)) == NULL) {
146 ELOG("window state for dest not found\n");
150 Rect zero = { 0, 0, 0, 0 };
151 if (memcmp(&(state_dest->window_rect), &(zero), sizeof(Rect)) == 0) {
152 memcpy(&(state_dest->window_rect), &(state_src->window_rect), sizeof(Rect));
153 DLOG("COPYING RECT\n");
158 * Kills the window decoration associated with the given container.
161 void x_con_kill(Con *con) {
164 xcb_destroy_window(conn, con->frame);
165 state = state_for_frame(con->frame);
166 CIRCLEQ_REMOVE(&state_head, state, state);
167 CIRCLEQ_REMOVE(&old_state_head, state, old_state);
171 /* Invalidate focused_id to correctly focus new windows with the same ID */
172 focused_id = XCB_NONE;
176 * Returns true if the client supports the given protocol atom (like WM_DELETE_WINDOW)
179 bool window_supports_protocol(xcb_window_t window, xcb_atom_t atom) {
180 xcb_get_property_cookie_t cookie;
181 xcb_icccm_get_wm_protocols_reply_t protocols;
184 cookie = xcb_icccm_get_wm_protocols_unchecked(conn, window, A_WM_PROTOCOLS);
185 if (xcb_icccm_get_wm_protocols_reply(conn, cookie, &protocols, NULL) != 1)
188 /* Check if the client’s protocols have the requested atom set */
189 for (uint32_t i = 0; i < protocols.atoms_len; i++)
190 if (protocols.atoms[i] == atom)
193 xcb_icccm_get_wm_protocols_reply_wipe(&protocols);
199 * Kills the given X11 window using WM_DELETE_WINDOW (if supported).
202 void x_window_kill(xcb_window_t window) {
203 /* if this window does not support WM_DELETE_WINDOW, we kill it the hard way */
204 if (!window_supports_protocol(window, A_WM_DELETE_WINDOW)) {
205 LOG("Killing window the hard way\n");
206 xcb_kill_client(conn, window);
210 xcb_client_message_event_t ev;
212 memset(&ev, 0, sizeof(xcb_client_message_event_t));
214 ev.response_type = XCB_CLIENT_MESSAGE;
216 ev.type = A_WM_PROTOCOLS;
218 ev.data.data32[0] = A_WM_DELETE_WINDOW;
219 ev.data.data32[1] = XCB_CURRENT_TIME;
221 LOG("Sending WM_DELETE to the client\n");
222 xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char*)&ev);
227 * Draws the decoration of the given container onto its parent.
230 void x_draw_decoration(Con *con) {
231 const Con *parent = con->parent;
232 /* This code needs to run for:
234 * • non-leaf containers which are in a stacked/tabbed container
236 * It does not need to run for:
237 * • floating containers (they don’t have a decoration)
239 if ((!con_is_leaf(con) &&
240 parent->layout != L_STACKED &&
241 parent->layout != L_TABBED) ||
242 con->type == CT_FLOATING_CON)
244 DLOG("decoration should be rendered for con %p\n", con);
246 /* Skip containers whose height is 0 (for example empty dockareas) */
247 if (con->rect.height == 0) {
248 DLOG("height == 0, not rendering\n");
252 /* 1: build deco_params and compare with cache */
253 struct deco_render_params *p = scalloc(sizeof(struct deco_render_params));
255 /* find out which colors to use */
257 p->color = &config.client.urgent;
258 else if (con == focused)
259 p->color = &config.client.focused;
260 else if (con == TAILQ_FIRST(&(parent->focus_head)))
261 p->color = &config.client.focused_inactive;
263 p->color = &config.client.unfocused;
265 p->border_style = con_border_style(con);
267 Rect *r = &(con->rect);
268 Rect *w = &(con->window_rect);
269 p->con_rect = (struct width_height){ r->width, r->height };
270 p->con_window_rect = (struct width_height){ w->width, w->height };
271 p->con_deco_rect = (struct width_height){ con->deco_rect.width, con->deco_rect.height };
272 p->background = config.client.background;
273 p->con_is_leaf = con_is_leaf(con);
274 p->font = config.font.id;
276 if (con->deco_render_params != NULL &&
277 (con->window == NULL || !con->window->name_x_changed) &&
278 !con->parent->pixmap_recreated &&
279 memcmp(p, con->deco_render_params, sizeof(struct deco_render_params)) == 0) {
280 DLOG("CACHE HIT, copying existing pixmaps\n");
285 DLOG("CACHE MISS\n");
286 FREE(con->deco_render_params);
287 con->deco_render_params = p;
289 if (con->window != NULL && con->window->name_x_changed)
290 con->window->name_x_changed = false;
292 con->parent->pixmap_recreated = false;
294 /* 2: draw the client.background, but only for the parts around the client_rect */
295 xcb_rectangle_t background[] = {
297 { 0, con->deco_rect.height, r->width, w->y },
299 { 0, (w->y + w->height), r->width, r->height - (w->y + w->height) },
301 { w->width, con->deco_rect.height, r->width - (w->x + w->width), r->height }
304 for (int i = 0; i < 3; i++)
305 DLOG("rect is (%d, %d) with %d x %d\n",
313 xcb_change_gc_single(conn, con->pm_gc, XCB_GC_FOREGROUND, config.client.background);
314 xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, sizeof(background) / sizeof(xcb_rectangle_t), background);
316 /* 3: draw a rectangle in border color around the client */
317 if (p->border_style != BS_NONE && p->con_is_leaf) {
318 Rect br = con_border_style_rect(con);
320 DLOG("con->rect spans %d x %d\n", con->rect.width, con->rect.height);
321 DLOG("border_rect spans (%d, %d) with %d x %d\n", br.x, br.y, br.width, br.height);
322 DLOG("window_rect spans (%d, %d) with %d x %d\n", con->window_rect.x, con->window_rect.y, con->window_rect.width, con->window_rect.height);
325 /* These rectangles represents the border around the child window
326 * (left, bottom and right part). We don’t just fill the whole
327 * rectangle because some childs are not freely resizable and we want
328 * their background color to "shine through". */
329 xcb_change_gc_single(conn, con->pm_gc, XCB_GC_FOREGROUND, p->color->background);
330 xcb_rectangle_t borders[] = {
331 { 0, 0, br.x, r->height },
332 { 0, r->height + br.height + br.y, r->width, r->height },
333 { r->width + br.width + br.x, 0, r->width, r->height }
335 xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 3, borders);
336 /* 1pixel border needs an additional line at the top */
337 if (p->border_style == BS_1PIXEL) {
338 xcb_rectangle_t topline = { br.x, 0, con->rect.width + br.width + br.x, br.y };
339 xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, &topline);
343 /* if this is a borderless/1pixel window, we don’t * need to render the
345 if (p->border_style != BS_NORMAL) {
346 DLOG("border style not BS_NORMAL, aborting rendering of decoration\n");
350 /* 4: paint the bar */
351 xcb_change_gc_single(conn, parent->pm_gc, XCB_GC_FOREGROUND, p->color->background);
352 xcb_rectangle_t drect = { con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height };
353 xcb_poly_fill_rectangle(conn, parent->pixmap, parent->pm_gc, 1, &drect);
355 /* 5: draw the two lines in border color */
356 xcb_draw_line(conn, parent->pixmap, parent->pm_gc, p->color->border,
357 con->deco_rect.x, /* x */
358 con->deco_rect.y, /* y */
359 con->deco_rect.x + con->deco_rect.width, /* to_x */
360 con->deco_rect.y); /* to_y */
361 xcb_draw_line(conn, parent->pixmap, parent->pm_gc, p->color->border,
362 con->deco_rect.x, /* x */
363 con->deco_rect.y + con->deco_rect.height - 1, /* y */
364 con->deco_rect.x + con->deco_rect.width, /* to_x */
365 con->deco_rect.y + con->deco_rect.height - 1); /* to_y */
367 /* 6: draw the title */
368 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
369 uint32_t values[] = { p->color->text, p->color->background, config.font.id };
370 xcb_change_gc(conn, parent->pm_gc, mask, values);
371 int text_offset_y = config.font.height + (con->deco_rect.height - config.font.height) / 2 - 1;
373 struct Window *win = con->window;
374 if (win == NULL || win->name_x == NULL) {
375 /* this is a non-leaf container, we need to make up a good description */
376 // TODO: use a good description instead of just "another container"
379 strlen("another container"),
382 con->deco_rect.x + 2,
383 con->deco_rect.y + text_offset_y,
390 int indent_level = 0,
392 Con *il_parent = con->parent;
393 if (il_parent->layout != L_STACKED) {
395 DLOG("il_parent = %p, layout = %d\n", il_parent, il_parent->layout);
396 if (il_parent->layout == L_STACKED)
398 if (il_parent->type == CT_WORKSPACE || il_parent->type == CT_DOCKAREA || il_parent->type == CT_OUTPUT)
400 il_parent = il_parent->parent;
404 DLOG("indent_level = %d, indent_mult = %d\n", indent_level, indent_mult);
405 int indent_px = (indent_level * 5) * indent_mult;
407 if (win->uses_net_wm_name)
413 con->deco_rect.x + 2 + indent_px,
414 con->deco_rect.y + text_offset_y,
415 (xcb_char2b_t*)win->name_x
423 con->deco_rect.x + 2 + indent_px,
424 con->deco_rect.y + text_offset_y,
429 xcb_copy_area(conn, con->pixmap, con->frame, con->pm_gc, 0, 0, 0, 0, con->rect.width, con->rect.height);
430 xcb_copy_area(conn, parent->pixmap, parent->frame, parent->pm_gc, 0, 0, 0, 0, parent->rect.width, parent->rect.height);
434 * This function pushes the properties of each node of the layout tree to
435 * X11 if they have changed (like the map state, position of the window, …).
436 * It recursively traverses all children of the given node.
439 static void x_push_node(Con *con) {
442 Rect rect = con->rect;
444 DLOG("Pushing changes for node %p / %s\n", con, con->name);
445 state = state_for_frame(con->frame);
447 if (state->name != NULL) {
448 DLOG("pushing name %s for con %p\n", state->name, con);
450 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->frame,
451 A_WM_NAME, A_STRING, 8, strlen(state->name), state->name);
455 if (con->window == NULL) {
456 /* Calculate the height of all window decorations which will be drawn on to
458 uint32_t max_y = 0, max_height = 0;
459 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
460 Rect *dr = &(current->deco_rect);
461 if (dr->y >= max_y && dr->height >= max_height) {
463 max_height = dr->height;
466 rect.height = max_y + max_height;
467 if (rect.height == 0) {
468 DLOG("Unmapping container because it does not contain anything atm.\n");
473 /* reparent the child window (when the window was moved due to a sticky
475 if (state->need_reparent && con->window != NULL) {
476 DLOG("Reparenting child window\n");
478 /* Temporarily set the event masks to XCB_NONE so that we won’t get
479 * UnmapNotify events (otherwise the handler would close the container).
480 * These events are generated automatically when reparenting. */
481 uint32_t values[] = { XCB_NONE };
482 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
483 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
485 xcb_reparent_window(conn, con->window->id, con->frame, 0, 0);
487 values[0] = FRAME_EVENT_MASK;
488 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
489 values[0] = CHILD_EVENT_MASK;
490 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
492 state->old_frame = XCB_NONE;
493 state->need_reparent = false;
496 DLOG("ignore_unmap for reparenting of con %p (win 0x%08x) is now %d\n",
497 con, con->window->id, con->ignore_unmap);
500 bool fake_notify = false;
501 /* set new position if rect changed */
502 if (memcmp(&(state->rect), &rect, sizeof(Rect)) != 0) {
503 DLOG("setting rect (%d, %d, %d, %d)\n", rect.x, rect.y, rect.width, rect.height);
504 xcb_set_window_rect(conn, con->frame, rect);
506 /* As the pixmap only depends on the size and not on the position, it
507 * is enough to check if width/height have changed */
508 if (state->rect.width != rect.width ||
509 state->rect.height != rect.height) {
510 DLOG("CACHE: creating new pixmap\n");
511 if (con->pixmap == 0) {
512 con->pixmap = xcb_generate_id(conn);
513 con->pm_gc = xcb_generate_id(conn);
515 xcb_free_pixmap(conn, con->pixmap);
516 xcb_free_gc(conn, con->pm_gc);
518 xcb_create_pixmap(conn, root_depth, con->pixmap, con->frame, rect.width, rect.height);
519 xcb_create_gc(conn, con->pm_gc, con->pixmap, 0, 0);
520 con->pixmap_recreated = true;
522 memcpy(&(state->rect), &rect, sizeof(Rect));
526 /* dito, but for child windows */
527 if (con->window != NULL &&
528 memcmp(&(state->window_rect), &(con->window_rect), sizeof(Rect)) != 0) {
529 DLOG("setting window rect (%d, %d, %d, %d)\n",
530 con->window_rect.x, con->window_rect.y, con->window_rect.width, con->window_rect.height);
531 xcb_set_window_rect(conn, con->window->id, con->window_rect);
532 memcpy(&(state->window_rect), &(con->window_rect), sizeof(Rect));
536 /* Map if map state changed, also ensure that the child window
537 * is changed if we are mapped *and* in initial state (meaning the
538 * container was empty before, but now got a child). Unmaps are handled in
539 * x_push_node_unmaps(). */
540 if ((state->mapped != con->mapped || (con->mapped && state->initial)) &&
542 xcb_void_cookie_t cookie;
544 if (con->window != NULL) {
545 /* Set WM_STATE_NORMAL because GTK applications don’t want to
546 * drag & drop if we don’t. Also, xprop(1) needs it. */
547 long data[] = { XCB_ICCCM_WM_STATE_NORMAL, XCB_NONE };
548 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
549 A_WM_STATE, A_WM_STATE, 32, 2, data);
552 if (!state->child_mapped && con->window != NULL) {
553 cookie = xcb_map_window(conn, con->window->id);
554 DLOG("mapping child window (serial %d)\n", cookie.sequence);
555 /* Ignore enter_notifies which are generated when mapping */
556 add_ignore_event(cookie.sequence);
557 state->child_mapped = true;
560 cookie = xcb_map_window(conn, con->frame);
561 DLOG("mapping container (serial %d)\n", cookie.sequence);
562 /* Ignore enter_notifies which are generated when mapping */
563 add_ignore_event(cookie.sequence);
564 state->mapped = con->mapped;
568 DLOG("Sending fake configure notify\n");
569 fake_absolute_configure_notify(con);
572 /* handle all children and floating windows of this node */
573 TAILQ_FOREACH(current, &(con->nodes_head), nodes)
574 x_push_node(current);
576 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
577 x_push_node(current);
579 if (con->type != CT_ROOT && con->type != CT_OUTPUT)
580 x_draw_decoration(con);
584 * Same idea as in x_push_node(), but this function only unmaps windows. It is
585 * necessary to split this up to handle new fullscreen clients properly: The
586 * new window needs to be mapped and focus needs to be set *before* the
587 * underlying windows are unmapped. Otherwise, focus will revert to the
588 * PointerRoot and will then be set to the new window, generating unnecessary
589 * FocusIn/FocusOut events.
592 static void x_push_node_unmaps(Con *con) {
596 DLOG("Pushing changes (with unmaps) for node %p / %s\n", con, con->name);
597 state = state_for_frame(con->frame);
599 /* map/unmap if map state changed, also ensure that the child window
600 * is changed if we are mapped *and* in initial state (meaning the
601 * container was empty before, but now got a child) */
602 if ((state->mapped != con->mapped || (con->mapped && state->initial)) &&
604 xcb_void_cookie_t cookie;
605 if (con->window != NULL) {
606 /* Set WM_STATE_WITHDRAWN, it seems like Java apps need it */
607 long data[] = { XCB_ICCCM_WM_STATE_WITHDRAWN, XCB_NONE };
608 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
609 A_WM_STATE, A_WM_STATE, 32, 2, data);
612 cookie = xcb_unmap_window(conn, con->frame);
613 DLOG("unmapping container (serial %d)\n", cookie.sequence);
614 /* we need to increase ignore_unmap for this container (if it
615 * contains a window) and for every window "under" this one which
616 * contains a window */
617 if (con->window != NULL) {
619 DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame, con->ignore_unmap);
621 /* Ignore enter_notifies which are generated when unmapping */
622 add_ignore_event(cookie.sequence);
623 state->mapped = con->mapped;
626 /* handle all children and floating windows of this node */
627 TAILQ_FOREACH(current, &(con->nodes_head), nodes)
628 x_push_node_unmaps(current);
630 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
631 x_push_node_unmaps(current);
635 * Pushes all changes (state of each node, see x_push_node() and the window
638 * NOTE: We need to push the stack first so that the windows have the correct
639 * stacking order. This is relevant for workspace switching where we map the
640 * windows because mapping may generate EnterNotify events. When they are
641 * generated in the wrong order, this will cause focus problems when switching
645 void x_push_changes(Con *con) {
648 DLOG("-- PUSHING WINDOW STACK --\n");
649 DLOG("Disabling EnterNotify\n");
650 uint32_t values[1] = { XCB_NONE };
651 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
652 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
654 DLOG("Done, EnterNotify disabled\n");
655 bool order_changed = false;
656 /* X11 correctly represents the stack if we push it from bottom to top */
657 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
658 DLOG("stack: 0x%08x\n", state->id);
659 con_state *prev = CIRCLEQ_PREV(state, state);
660 con_state *old_prev = CIRCLEQ_PREV(state, old_state);
661 if (prev != old_prev)
662 order_changed = true;
663 if ((state->initial || order_changed) && prev != CIRCLEQ_END(&state_head)) {
664 DLOG("Stacking 0x%08x above 0x%08x\n", prev->id, state->id);
666 mask |= XCB_CONFIG_WINDOW_SIBLING;
667 mask |= XCB_CONFIG_WINDOW_STACK_MODE;
668 uint32_t values[] = {state->id, XCB_STACK_MODE_ABOVE};
670 xcb_configure_window(conn, prev->id, mask, values);
672 state->initial = false;
674 DLOG("Re-enabling EnterNotify\n");
675 values[0] = FRAME_EVENT_MASK;
676 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
677 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
679 DLOG("Done, EnterNotify re-enabled\n");
681 DLOG("\n\n PUSHING CHANGES\n\n");
684 xcb_window_t to_focus = focused->frame;
685 if (focused->window != NULL)
686 to_focus = focused->window->id;
688 DLOG("focused_id = 0x%08x, to_focus = 0x%08x\n", focused_id, to_focus);
689 if (focused_id != to_focus) {
690 if (!focused->mapped) {
691 DLOG("Not updating focus (to %p / %s), focused window is not mapped.\n", focused, focused->name);
692 /* Invalidate focused_id to correctly focus new windows with the same ID */
693 focused_id = XCB_NONE;
695 DLOG("Updating focus (focused: %p / %s)\n", focused, focused->name);
696 /* We remove XCB_EVENT_MASK_FOCUS_CHANGE from the event mask to get
697 * no focus change events for our own focus changes. We only want
698 * these generated by the clients. */
699 if (focused->window != NULL) {
700 values[0] = CHILD_EVENT_MASK & ~(XCB_EVENT_MASK_FOCUS_CHANGE);
701 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
703 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, to_focus, XCB_CURRENT_TIME);
704 if (focused->window != NULL) {
705 values[0] = CHILD_EVENT_MASK;
706 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
709 if (focused->window != NULL &&
710 focused->window->needs_take_focus) {
711 send_take_focus(to_focus);
714 ewmh_update_active_window(to_focus);
715 focused_id = to_focus;
719 if (focused_id == XCB_NONE) {
720 DLOG("Still no window focused, better set focus to the root window\n");
721 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
726 DLOG("\n\n ENDING CHANGES\n\n");
728 x_push_node_unmaps(con);
730 /* save the current stack as old stack */
731 CIRCLEQ_FOREACH(state, &state_head, state) {
732 CIRCLEQ_REMOVE(&old_state_head, state, old_state);
733 CIRCLEQ_INSERT_TAIL(&old_state_head, state, old_state);
735 CIRCLEQ_FOREACH(state, &old_state_head, old_state) {
736 DLOG("old stack: 0x%08x\n", state->id);
743 * Raises the specified container in the internal stack of X windows. The
744 * next call to x_push_changes() will make the change visible in X11.
747 void x_raise_con(Con *con) {
749 state = state_for_frame(con->frame);
750 DLOG("raising in new stack: %p / %s / %s / xid %08x\n", con, con->name, con->window ? con->window->name_json : "", state->id);
752 CIRCLEQ_REMOVE(&state_head, state, state);
753 CIRCLEQ_INSERT_HEAD(&state_head, state, state);
757 * Sets the WM_NAME property (so, no UTF8, but used only for debugging anyways)
758 * of the given name. Used for properly tagging the windows for easily spotting
759 * i3 windows in xwininfo -root -all.
762 void x_set_name(Con *con, const char *name) {
763 struct con_state *state;
765 if ((state = state_for_frame(con->frame)) == NULL) {
766 ELOG("window state not found\n");
771 state->name = sstrdup(name);
775 * Sets up i3 specific atoms (I3_SOCKET_PATH and I3_CONFIG_PATH)
778 void x_set_i3_atoms() {
779 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_SOCKET_PATH, A_UTF8_STRING, 8,
780 (config.ipc_socket_path != NULL ? strlen(config.ipc_socket_path) : 0),
781 config.ipc_socket_path);
782 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_CONFIG_PATH, A_UTF8_STRING, 8,
783 strlen(current_configpath), current_configpath);