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, kill_window_t kill_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 if (kill_window == KILL_WINDOW) {
206 LOG("Killing specific window 0x%08x\n", window);
207 xcb_destroy_window(conn, window);
209 LOG("Killing the X11 client which owns window 0x%08x\n", window);
210 xcb_kill_client(conn, window);
215 xcb_client_message_event_t ev;
217 memset(&ev, 0, sizeof(xcb_client_message_event_t));
219 ev.response_type = XCB_CLIENT_MESSAGE;
221 ev.type = A_WM_PROTOCOLS;
223 ev.data.data32[0] = A_WM_DELETE_WINDOW;
224 ev.data.data32[1] = XCB_CURRENT_TIME;
226 LOG("Sending WM_DELETE to the client\n");
227 xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char*)&ev);
232 * Draws the decoration of the given container onto its parent.
235 void x_draw_decoration(Con *con) {
236 const Con *parent = con->parent;
237 /* This code needs to run for:
239 * • non-leaf containers which are in a stacked/tabbed container
241 * It does not need to run for:
242 * • floating containers (they don’t have a decoration)
244 if ((!con_is_leaf(con) &&
245 parent->layout != L_STACKED &&
246 parent->layout != L_TABBED) ||
247 con->type == CT_FLOATING_CON)
249 DLOG("decoration should be rendered for con %p\n", con);
251 /* Skip containers whose height is 0 (for example empty dockareas) */
252 if (con->rect.height == 0) {
253 DLOG("height == 0, not rendering\n");
257 /* 1: build deco_params and compare with cache */
258 struct deco_render_params *p = scalloc(sizeof(struct deco_render_params));
260 /* find out which colors to use */
262 p->color = &config.client.urgent;
263 else if (con == focused)
264 p->color = &config.client.focused;
265 else if (con == TAILQ_FIRST(&(parent->focus_head)))
266 p->color = &config.client.focused_inactive;
268 p->color = &config.client.unfocused;
270 p->border_style = con_border_style(con);
272 Rect *r = &(con->rect);
273 Rect *w = &(con->window_rect);
274 p->con_rect = (struct width_height){ r->width, r->height };
275 p->con_window_rect = (struct width_height){ w->width, w->height };
276 p->con_deco_rect = con->deco_rect;
277 p->background = config.client.background;
278 p->con_is_leaf = con_is_leaf(con);
279 p->font = config.font.id;
281 if (con->deco_render_params != NULL &&
282 (con->window == NULL || !con->window->name_x_changed) &&
283 !con->parent->pixmap_recreated &&
284 memcmp(p, con->deco_render_params, sizeof(struct deco_render_params)) == 0) {
285 DLOG("CACHE HIT, not re-rendering\n");
290 DLOG("CACHE MISS\n");
292 while ((next = TAILQ_NEXT(next, nodes))) {
293 DLOG("Also invalidating cache of %p\n", next);
294 FREE(next->deco_render_params);
297 FREE(con->deco_render_params);
298 con->deco_render_params = p;
300 if (con->window != NULL && con->window->name_x_changed)
301 con->window->name_x_changed = false;
303 con->parent->pixmap_recreated = false;
305 /* If the con is in fullscreen mode, the decoration height we work with is set to 0 */
306 Rect deco_rect = con->deco_rect;
307 if (con_get_fullscreen_con(con->parent) == con)
308 deco_rect.height = 0;
310 /* 2: draw the client.background, but only for the parts around the client_rect */
311 if (con->window != NULL) {
312 xcb_rectangle_t background[] = {
314 { 0, 0, r->width, w->y },
316 { 0, (w->y + w->height), r->width, r->height - (w->y + w->height) },
318 { 0, 0, w->x, r->height },
320 { w->x + w->width, 0, r->width - (w->x + w->width), r->height }
323 for (int i = 0; i < 4; i++)
324 DLOG("rect is (%d, %d) with %d x %d\n",
332 xcb_change_gc_single(conn, con->pm_gc, XCB_GC_FOREGROUND, config.client.background);
333 xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, sizeof(background) / sizeof(xcb_rectangle_t), background);
336 /* 3: draw a rectangle in border color around the client */
337 if (p->border_style != BS_NONE && p->con_is_leaf) {
338 Rect br = con_border_style_rect(con);
340 DLOG("con->rect spans %d x %d\n", con->rect.width, con->rect.height);
341 DLOG("border_rect spans (%d, %d) with %d x %d\n", br.x, br.y, br.width, br.height);
342 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);
345 /* These rectangles represents the border around the child window
346 * (left, bottom and right part). We don’t just fill the whole
347 * rectangle because some childs are not freely resizable and we want
348 * their background color to "shine through". */
349 xcb_change_gc_single(conn, con->pm_gc, XCB_GC_FOREGROUND, p->color->background);
350 xcb_rectangle_t borders[] = {
351 { 0, 0, br.x, r->height },
352 { 0, r->height + br.height + br.y, r->width, r->height },
353 { r->width + br.width + br.x, 0, r->width, r->height }
355 xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 3, borders);
356 /* 1pixel border needs an additional line at the top */
357 if (p->border_style == BS_1PIXEL) {
358 xcb_rectangle_t topline = { br.x, 0, con->rect.width + br.width + br.x, br.y };
359 xcb_poly_fill_rectangle(conn, con->pixmap, con->pm_gc, 1, &topline);
363 /* if this is a borderless/1pixel window, we don’t * need to render the
365 if (p->border_style != BS_NORMAL) {
366 DLOG("border style not BS_NORMAL, aborting rendering of decoration\n");
370 /* 4: paint the bar */
371 xcb_change_gc_single(conn, parent->pm_gc, XCB_GC_FOREGROUND, p->color->background);
372 xcb_rectangle_t drect = { con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height };
373 xcb_poly_fill_rectangle(conn, parent->pixmap, parent->pm_gc, 1, &drect);
375 /* 5: draw the two lines in border color */
376 xcb_draw_line(conn, parent->pixmap, parent->pm_gc, p->color->border,
377 con->deco_rect.x, /* x */
378 con->deco_rect.y, /* y */
379 con->deco_rect.x + con->deco_rect.width, /* to_x */
380 con->deco_rect.y); /* to_y */
381 xcb_draw_line(conn, parent->pixmap, parent->pm_gc, p->color->border,
382 con->deco_rect.x, /* x */
383 con->deco_rect.y + con->deco_rect.height - 1, /* y */
384 con->deco_rect.x + con->deco_rect.width, /* to_x */
385 con->deco_rect.y + con->deco_rect.height - 1); /* to_y */
387 /* 6: draw the title */
388 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
389 uint32_t values[] = { p->color->text, p->color->background, config.font.id };
390 xcb_change_gc(conn, parent->pm_gc, mask, values);
391 int text_offset_y = config.font.height + (con->deco_rect.height - config.font.height) / 2 - 1;
393 struct Window *win = con->window;
394 if (win == NULL || win->name_x == NULL) {
395 /* this is a non-leaf container, we need to make up a good description */
396 // TODO: use a good description instead of just "another container"
399 strlen("another container"),
402 con->deco_rect.x + 2,
403 con->deco_rect.y + text_offset_y,
410 int indent_level = 0,
412 Con *il_parent = con->parent;
413 if (il_parent->layout != L_STACKED) {
415 DLOG("il_parent = %p, layout = %d\n", il_parent, il_parent->layout);
416 if (il_parent->layout == L_STACKED)
418 if (il_parent->type == CT_WORKSPACE || il_parent->type == CT_DOCKAREA || il_parent->type == CT_OUTPUT)
420 il_parent = il_parent->parent;
424 DLOG("indent_level = %d, indent_mult = %d\n", indent_level, indent_mult);
425 int indent_px = (indent_level * 5) * indent_mult;
427 if (win->uses_net_wm_name)
433 con->deco_rect.x + 2 + indent_px,
434 con->deco_rect.y + text_offset_y,
435 (xcb_char2b_t*)win->name_x
443 con->deco_rect.x + 2 + indent_px,
444 con->deco_rect.y + text_offset_y,
449 xcb_clear_area(conn, false, con->frame, 0, 0, con->rect.width, con->rect.height);
450 xcb_clear_area(conn, false, parent->frame, 0, 0, parent->rect.width, parent->rect.height);
454 * This function pushes the properties of each node of the layout tree to
455 * X11 if they have changed (like the map state, position of the window, …).
456 * It recursively traverses all children of the given node.
459 void x_push_node(Con *con) {
462 Rect rect = con->rect;
464 //DLOG("Pushing changes for node %p / %s\n", con, con->name);
465 state = state_for_frame(con->frame);
467 if (state->name != NULL) {
468 DLOG("pushing name %s for con %p\n", state->name, con);
470 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->frame,
471 A_WM_NAME, A_STRING, 8, strlen(state->name), state->name);
475 if (con->window == NULL) {
476 /* Calculate the height of all window decorations which will be drawn on to
478 uint32_t max_y = 0, max_height = 0;
479 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
480 Rect *dr = &(current->deco_rect);
481 if (dr->y >= max_y && dr->height >= max_height) {
483 max_height = dr->height;
486 rect.height = max_y + max_height;
487 if (rect.height == 0) {
488 DLOG("Unmapping container because it does not contain anything atm.\n");
493 /* reparent the child window (when the window was moved due to a sticky
495 if (state->need_reparent && con->window != NULL) {
496 DLOG("Reparenting child window\n");
498 /* Temporarily set the event masks to XCB_NONE so that we won’t get
499 * UnmapNotify events (otherwise the handler would close the container).
500 * These events are generated automatically when reparenting. */
501 uint32_t values[] = { XCB_NONE };
502 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
503 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
505 xcb_reparent_window(conn, con->window->id, con->frame, 0, 0);
507 values[0] = FRAME_EVENT_MASK;
508 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
509 values[0] = CHILD_EVENT_MASK;
510 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
512 state->old_frame = XCB_NONE;
513 state->need_reparent = false;
516 DLOG("ignore_unmap for reparenting of con %p (win 0x%08x) is now %d\n",
517 con, con->window->id, con->ignore_unmap);
520 bool fake_notify = false;
521 /* set new position if rect changed */
522 if (memcmp(&(state->rect), &rect, sizeof(Rect)) != 0) {
523 DLOG("setting rect (%d, %d, %d, %d)\n", rect.x, rect.y, rect.width, rect.height);
524 xcb_set_window_rect(conn, con->frame, rect);
526 /* As the pixmap only depends on the size and not on the position, it
527 * is enough to check if width/height have changed. Also, we don’t
528 * create a pixmap at all when the window is actually not visible
530 if (rect.height > 0 &&
531 (state->rect.width != rect.width ||
532 state->rect.height != rect.height)) {
533 DLOG("CACHE: creating new pixmap\n");
534 if (con->pixmap == 0) {
535 con->pixmap = xcb_generate_id(conn);
536 con->pm_gc = xcb_generate_id(conn);
538 xcb_free_pixmap(conn, con->pixmap);
539 xcb_free_gc(conn, con->pm_gc);
541 xcb_create_pixmap(conn, root_depth, con->pixmap, con->frame, rect.width, rect.height);
542 xcb_create_gc(conn, con->pm_gc, con->pixmap, 0, 0);
543 uint32_t values[] = { con->pixmap };
544 xcb_change_window_attributes(conn, con->frame, XCB_CW_BACK_PIXMAP, values);
545 con->pixmap_recreated = true;
547 memcpy(&(state->rect), &rect, sizeof(Rect));
551 /* dito, but for child windows */
552 if (con->window != NULL &&
553 memcmp(&(state->window_rect), &(con->window_rect), sizeof(Rect)) != 0) {
554 DLOG("setting window rect (%d, %d, %d, %d)\n",
555 con->window_rect.x, con->window_rect.y, con->window_rect.width, con->window_rect.height);
556 xcb_set_window_rect(conn, con->window->id, con->window_rect);
557 memcpy(&(state->window_rect), &(con->window_rect), sizeof(Rect));
561 /* Map if map state changed, also ensure that the child window
562 * is changed if we are mapped *and* in initial state (meaning the
563 * container was empty before, but now got a child). Unmaps are handled in
564 * x_push_node_unmaps(). */
565 if ((state->mapped != con->mapped || (con->mapped && state->initial)) &&
567 xcb_void_cookie_t cookie;
569 if (con->window != NULL) {
570 /* Set WM_STATE_NORMAL because GTK applications don’t want to
571 * drag & drop if we don’t. Also, xprop(1) needs it. */
572 long data[] = { XCB_ICCCM_WM_STATE_NORMAL, XCB_NONE };
573 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
574 A_WM_STATE, A_WM_STATE, 32, 2, data);
577 if (!state->child_mapped && con->window != NULL) {
578 cookie = xcb_map_window(conn, con->window->id);
579 DLOG("mapping child window (serial %d)\n", cookie.sequence);
580 /* Ignore enter_notifies which are generated when mapping */
581 add_ignore_event(cookie.sequence, 0);
582 state->child_mapped = true;
585 cookie = xcb_map_window(conn, con->frame);
586 DLOG("mapping container (serial %d)\n", cookie.sequence);
587 /* Ignore enter_notifies which are generated when mapping */
588 add_ignore_event(cookie.sequence, 0);
589 state->mapped = con->mapped;
593 DLOG("Sending fake configure notify\n");
594 fake_absolute_configure_notify(con);
597 /* Handle all children and floating windows of this node. We recurse
598 * in focus order to display the focused client in a stack first when
599 * switching workspaces (reduces flickering). */
600 TAILQ_FOREACH(current, &(con->focus_head), focused)
601 x_push_node(current);
605 * Recursively calls x_draw_decoration. This cannot be done in x_push_node
606 * because x_push_node uses focus order to recurse (see the comment above)
607 * while drawing the decoration needs to happen in the actual order.
610 static void x_deco_recurse(Con *con) {
613 TAILQ_FOREACH(current, &(con->nodes_head), nodes)
614 x_deco_recurse(current);
616 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
617 x_deco_recurse(current);
619 if ((con->type != CT_ROOT && con->type != CT_OUTPUT) &&
621 x_draw_decoration(con);
625 * Same idea as in x_push_node(), but this function only unmaps windows. It is
626 * necessary to split this up to handle new fullscreen clients properly: The
627 * new window needs to be mapped and focus needs to be set *before* the
628 * underlying windows are unmapped. Otherwise, focus will revert to the
629 * PointerRoot and will then be set to the new window, generating unnecessary
630 * FocusIn/FocusOut events.
633 static void x_push_node_unmaps(Con *con) {
637 //DLOG("Pushing changes (with unmaps) for node %p / %s\n", con, con->name);
638 state = state_for_frame(con->frame);
640 /* map/unmap if map state changed, also ensure that the child window
641 * is changed if we are mapped *and* in initial state (meaning the
642 * container was empty before, but now got a child) */
643 if ((state->mapped != con->mapped || (con->mapped && state->initial)) &&
645 xcb_void_cookie_t cookie;
646 if (con->window != NULL) {
647 /* Set WM_STATE_WITHDRAWN, it seems like Java apps need it */
648 long data[] = { XCB_ICCCM_WM_STATE_WITHDRAWN, XCB_NONE };
649 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
650 A_WM_STATE, A_WM_STATE, 32, 2, data);
653 cookie = xcb_unmap_window(conn, con->frame);
654 DLOG("unmapping container (serial %d)\n", cookie.sequence);
655 /* we need to increase ignore_unmap for this container (if it
656 * contains a window) and for every window "under" this one which
657 * contains a window */
658 if (con->window != NULL) {
660 DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame, con->ignore_unmap);
662 /* Ignore enter_notifies which are generated when unmapping */
663 add_ignore_event(cookie.sequence, 0);
664 state->mapped = con->mapped;
667 /* handle all children and floating windows of this node */
668 TAILQ_FOREACH(current, &(con->nodes_head), nodes)
669 x_push_node_unmaps(current);
671 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
672 x_push_node_unmaps(current);
676 * Pushes all changes (state of each node, see x_push_node() and the window
679 * NOTE: We need to push the stack first so that the windows have the correct
680 * stacking order. This is relevant for workspace switching where we map the
681 * windows because mapping may generate EnterNotify events. When they are
682 * generated in the wrong order, this will cause focus problems when switching
686 void x_push_changes(Con *con) {
689 DLOG("-- PUSHING WINDOW STACK --\n");
690 //DLOG("Disabling EnterNotify\n");
691 uint32_t values[1] = { XCB_NONE };
692 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
693 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
695 //DLOG("Done, EnterNotify disabled\n");
696 bool order_changed = false;
697 /* X11 correctly represents the stack if we push it from bottom to top */
698 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
699 //DLOG("stack: 0x%08x\n", state->id);
700 con_state *prev = CIRCLEQ_PREV(state, state);
701 con_state *old_prev = CIRCLEQ_PREV(state, old_state);
702 if (prev != old_prev)
703 order_changed = true;
704 if ((state->initial || order_changed) && prev != CIRCLEQ_END(&state_head)) {
705 DLOG("Stacking 0x%08x above 0x%08x\n", prev->id, state->id);
707 mask |= XCB_CONFIG_WINDOW_SIBLING;
708 mask |= XCB_CONFIG_WINDOW_STACK_MODE;
709 uint32_t values[] = {state->id, XCB_STACK_MODE_ABOVE};
711 xcb_configure_window(conn, prev->id, mask, values);
713 state->initial = false;
715 //DLOG("Re-enabling EnterNotify\n");
716 values[0] = FRAME_EVENT_MASK;
717 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
718 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
720 //DLOG("Done, EnterNotify re-enabled\n");
722 DLOG("\n\n PUSHING CHANGES\n\n");
726 xcb_window_t to_focus = focused->frame;
727 if (focused->window != NULL)
728 to_focus = focused->window->id;
730 DLOG("focused_id = 0x%08x, to_focus = 0x%08x\n", focused_id, to_focus);
731 if (focused_id != to_focus) {
732 if (!focused->mapped) {
733 DLOG("Not updating focus (to %p / %s), focused window is not mapped.\n", focused, focused->name);
734 /* Invalidate focused_id to correctly focus new windows with the same ID */
735 focused_id = XCB_NONE;
737 DLOG("Updating focus (focused: %p / %s)\n", focused, focused->name);
738 /* We remove XCB_EVENT_MASK_FOCUS_CHANGE from the event mask to get
739 * no focus change events for our own focus changes. We only want
740 * these generated by the clients. */
741 if (focused->window != NULL) {
742 values[0] = CHILD_EVENT_MASK & ~(XCB_EVENT_MASK_FOCUS_CHANGE);
743 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
745 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, to_focus, XCB_CURRENT_TIME);
746 if (focused->window != NULL) {
747 values[0] = CHILD_EVENT_MASK;
748 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
751 if (focused->window != NULL &&
752 focused->window->needs_take_focus) {
753 send_take_focus(to_focus);
756 ewmh_update_active_window(to_focus);
757 focused_id = to_focus;
761 if (focused_id == XCB_NONE) {
762 DLOG("Still no window focused, better set focus to the root window\n");
763 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
768 DLOG("\n\n ENDING CHANGES\n\n");
770 x_push_node_unmaps(con);
772 /* save the current stack as old stack */
773 CIRCLEQ_FOREACH(state, &state_head, state) {
774 CIRCLEQ_REMOVE(&old_state_head, state, old_state);
775 CIRCLEQ_INSERT_TAIL(&old_state_head, state, old_state);
777 //CIRCLEQ_FOREACH(state, &old_state_head, old_state) {
778 // DLOG("old stack: 0x%08x\n", state->id);
785 * Raises the specified container in the internal stack of X windows. The
786 * next call to x_push_changes() will make the change visible in X11.
789 void x_raise_con(Con *con) {
791 state = state_for_frame(con->frame);
792 //DLOG("raising in new stack: %p / %s / %s / xid %08x\n", con, con->name, con->window ? con->window->name_json : "", state->id);
794 CIRCLEQ_REMOVE(&state_head, state, state);
795 CIRCLEQ_INSERT_HEAD(&state_head, state, state);
799 * Sets the WM_NAME property (so, no UTF8, but used only for debugging anyways)
800 * of the given name. Used for properly tagging the windows for easily spotting
801 * i3 windows in xwininfo -root -all.
804 void x_set_name(Con *con, const char *name) {
805 struct con_state *state;
807 if ((state = state_for_frame(con->frame)) == NULL) {
808 ELOG("window state not found\n");
813 state->name = sstrdup(name);
817 * Sets up i3 specific atoms (I3_SOCKET_PATH and I3_CONFIG_PATH)
820 void x_set_i3_atoms() {
821 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_SOCKET_PATH, A_UTF8_STRING, 8,
822 (current_socketpath == NULL ? 0 : strlen(current_socketpath)),
824 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_CONFIG_PATH, A_UTF8_STRING, 8,
825 strlen(current_configpath), current_configpath);