2 * vim:ts=4:sw=4:expandtab
4 * i3 - an improved dynamic tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
7 * x.c: Interface to X11, transfers our in-memory state to X11 (see also
8 * render.c). Basically a big state machine.
14 #define MAX(x, y) ((x) > (y) ? (x) : (y))
17 xcb_window_t ewmh_window;
19 /* Stores the X11 window ID of the currently focused window */
20 xcb_window_t focused_id = XCB_NONE;
22 /* Because 'focused_id' might be reset to force input focus, we separately keep
23 * track of the X11 window ID to be able to always tell whether the focused
24 * window actually changed. */
25 static xcb_window_t last_focused = XCB_NONE;
27 /* Stores coordinates to warp mouse pointer to if set */
31 * Describes the X11 state we may modify (map state, position, window stack).
32 * There is one entry per container. The state represents the current situation
33 * as X11 sees it (with the exception of the order in the state_head CIRCLEQ,
34 * which represents the order that will be pushed to X11, while old_state_head
35 * represents the current order). It will be updated in x_push_changes().
38 typedef struct con_state {
45 /* The con for which this state is. */
48 /* For reparenting, we have a flag (need_reparent) and the X ID of the old
49 * frame this window was in. The latter is necessary because we need to
50 * ignore UnmapNotify events (by changing the window event mask). */
52 xcb_window_t old_frame;
54 /* The container was child of floating container during the previous call of
55 * x_push_node(). This is used to remove the shape when the container is no
66 CIRCLEQ_ENTRY(con_state)
69 CIRCLEQ_ENTRY(con_state)
72 TAILQ_ENTRY(con_state)
73 initial_mapping_order;
76 CIRCLEQ_HEAD(state_head, con_state)
78 CIRCLEQ_HEAD_INITIALIZER(state_head);
80 CIRCLEQ_HEAD(old_state_head, con_state)
82 CIRCLEQ_HEAD_INITIALIZER(old_state_head);
84 TAILQ_HEAD(initial_mapping_head, con_state)
85 initial_mapping_head =
86 TAILQ_HEAD_INITIALIZER(initial_mapping_head);
89 * Returns the container state for the given frame. This function always
90 * returns a container state (otherwise, there is a bug in the code and the
91 * container state of a container for which x_con_init() was not called was
95 static con_state *state_for_frame(xcb_window_t window) {
97 CIRCLEQ_FOREACH(state, &state_head, state)
98 if (state->id == window)
101 /* TODO: better error handling? */
102 ELOG("No state found for window 0x%08x\n", window);
108 * Changes the atoms on the root window and the windows themselves to properly
109 * reflect the current focus for ewmh compliance.
112 static void change_ewmh_focus(xcb_window_t new_focus, xcb_window_t old_focus) {
113 if (new_focus == old_focus) {
117 ewmh_update_active_window(new_focus);
119 if (new_focus != XCB_WINDOW_NONE) {
120 ewmh_update_focused(new_focus, true);
123 if (old_focus != XCB_WINDOW_NONE) {
124 ewmh_update_focused(old_focus, false);
129 * Initializes the X11 part for the given container. Called exactly once for
130 * every container from con_new().
133 void x_con_init(Con *con) {
134 /* TODO: maybe create the window when rendering first? we could then even
135 * get the initial geometry right */
140 xcb_visualid_t visual = get_visualid_by_depth(con->depth);
141 xcb_colormap_t win_colormap;
142 if (con->depth != root_depth) {
143 /* We need to create a custom colormap. */
144 win_colormap = xcb_generate_id(conn);
145 xcb_create_colormap(conn, XCB_COLORMAP_ALLOC_NONE, win_colormap, root, visual);
146 con->colormap = win_colormap;
148 /* Use the default colormap. */
149 win_colormap = colormap;
150 con->colormap = XCB_NONE;
153 /* We explicitly set a background color and border color (even though we
154 * don’t even have a border) because the X11 server requires us to when
155 * using 32 bit color depths, see
156 * https://stackoverflow.com/questions/3645632 */
157 mask |= XCB_CW_BACK_PIXEL;
158 values[0] = root_screen->black_pixel;
160 mask |= XCB_CW_BORDER_PIXEL;
161 values[1] = root_screen->black_pixel;
163 /* our own frames should not be managed */
164 mask |= XCB_CW_OVERRIDE_REDIRECT;
167 /* see include/xcb.h for the FRAME_EVENT_MASK */
168 mask |= XCB_CW_EVENT_MASK;
169 values[3] = FRAME_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
171 mask |= XCB_CW_COLORMAP;
172 values[4] = win_colormap;
174 Rect dims = {-15, -15, 10, 10};
175 xcb_window_t frame_id = create_window(conn, dims, con->depth, visual, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCURSOR_CURSOR_POINTER, false, mask, values);
176 draw_util_surface_init(conn, &(con->frame), frame_id, get_visualtype_by_id(visual), dims.width, dims.height);
177 xcb_change_property(conn,
178 XCB_PROP_MODE_REPLACE,
183 (strlen("i3-frame") + 1) * 2,
184 "i3-frame\0i3-frame\0");
186 struct con_state *state = scalloc(1, sizeof(struct con_state));
187 state->id = con->frame.id;
188 state->mapped = false;
189 state->initial = true;
190 DLOG("Adding window 0x%08x to lists\n", state->id);
191 CIRCLEQ_INSERT_HEAD(&state_head, state, state);
192 CIRCLEQ_INSERT_HEAD(&old_state_head, state, old_state);
193 TAILQ_INSERT_TAIL(&initial_mapping_head, state, initial_mapping_order);
194 DLOG("adding new state for window id 0x%08x\n", state->id);
198 * Re-initializes the associated X window state for this container. You have
199 * to call this when you assign a client to an empty container to ensure that
200 * its state gets updated correctly.
203 void x_reinit(Con *con) {
204 struct con_state *state;
206 if ((state = state_for_frame(con->frame.id)) == NULL) {
207 ELOG("window state not found\n");
211 DLOG("resetting state %p to initial\n", state);
212 state->initial = true;
213 state->child_mapped = false;
215 memset(&(state->window_rect), 0, sizeof(Rect));
219 * Reparents the child window of the given container (necessary for sticky
220 * containers). The reparenting happens in the next call of x_push_changes().
223 void x_reparent_child(Con *con, Con *old) {
224 struct con_state *state;
225 if ((state = state_for_frame(con->frame.id)) == NULL) {
226 ELOG("window state for con not found\n");
230 state->need_reparent = true;
231 state->old_frame = old->frame.id;
235 * Moves a child window from Container src to Container dest.
238 void x_move_win(Con *src, Con *dest) {
239 struct con_state *state_src, *state_dest;
241 if ((state_src = state_for_frame(src->frame.id)) == NULL) {
242 ELOG("window state for src not found\n");
246 if ((state_dest = state_for_frame(dest->frame.id)) == NULL) {
247 ELOG("window state for dest not found\n");
251 state_dest->con = state_src->con;
252 state_src->con = NULL;
254 Rect zero = {0, 0, 0, 0};
255 if (memcmp(&(state_dest->window_rect), &(zero), sizeof(Rect)) == 0) {
256 memcpy(&(state_dest->window_rect), &(state_src->window_rect), sizeof(Rect));
257 DLOG("COPYING RECT\n");
261 static void _x_con_kill(Con *con) {
264 if (con->colormap != XCB_NONE) {
265 xcb_free_colormap(conn, con->colormap);
268 draw_util_surface_free(conn, &(con->frame));
269 draw_util_surface_free(conn, &(con->frame_buffer));
270 xcb_free_pixmap(conn, con->frame_buffer.id);
271 con->frame_buffer.id = XCB_NONE;
272 state = state_for_frame(con->frame.id);
273 CIRCLEQ_REMOVE(&state_head, state, state);
274 CIRCLEQ_REMOVE(&old_state_head, state, old_state);
275 TAILQ_REMOVE(&initial_mapping_head, state, initial_mapping_order);
279 /* Invalidate focused_id to correctly focus new windows with the same ID */
280 if (con->frame.id == focused_id) {
281 focused_id = XCB_NONE;
283 if (con->frame.id == last_focused) {
284 last_focused = XCB_NONE;
289 * Kills the window decoration associated with the given container.
292 void x_con_kill(Con *con) {
294 xcb_destroy_window(conn, con->frame.id);
298 * Completely reinitializes the container's frame, without destroying the old window.
301 void x_con_reframe(Con *con) {
307 * Returns true if the client supports the given protocol atom (like WM_DELETE_WINDOW)
310 bool window_supports_protocol(xcb_window_t window, xcb_atom_t atom) {
311 xcb_get_property_cookie_t cookie;
312 xcb_icccm_get_wm_protocols_reply_t protocols;
315 cookie = xcb_icccm_get_wm_protocols(conn, window, A_WM_PROTOCOLS);
316 if (xcb_icccm_get_wm_protocols_reply(conn, cookie, &protocols, NULL) != 1)
319 /* Check if the client’s protocols have the requested atom set */
320 for (uint32_t i = 0; i < protocols.atoms_len; i++)
321 if (protocols.atoms[i] == atom)
324 xcb_icccm_get_wm_protocols_reply_wipe(&protocols);
330 * Kills the given X11 window using WM_DELETE_WINDOW (if supported).
333 void x_window_kill(xcb_window_t window, kill_window_t kill_window) {
334 /* if this window does not support WM_DELETE_WINDOW, we kill it the hard way */
335 if (!window_supports_protocol(window, A_WM_DELETE_WINDOW)) {
336 if (kill_window == KILL_WINDOW) {
337 LOG("Killing specific window 0x%08x\n", window);
338 xcb_destroy_window(conn, window);
340 LOG("Killing the X11 client which owns window 0x%08x\n", window);
341 xcb_kill_client(conn, window);
346 /* Every X11 event is 32 bytes long. Therefore, XCB will copy 32 bytes.
347 * In order to properly initialize these bytes, we allocate 32 bytes even
348 * though we only need less for an xcb_configure_notify_event_t */
349 void *event = scalloc(32, 1);
350 xcb_client_message_event_t *ev = event;
352 ev->response_type = XCB_CLIENT_MESSAGE;
354 ev->type = A_WM_PROTOCOLS;
356 ev->data.data32[0] = A_WM_DELETE_WINDOW;
357 ev->data.data32[1] = XCB_CURRENT_TIME;
359 LOG("Sending WM_DELETE to the client\n");
360 xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char *)ev);
365 static void x_draw_title_border(Con *con, struct deco_render_params *p) {
366 assert(con->parent != NULL);
368 Rect *dr = &(con->deco_rect);
371 draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
372 dr->x, dr->y, 1, dr->height);
375 draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
376 dr->x + dr->width - 1, dr->y, 1, dr->height);
379 draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
380 dr->x, dr->y, dr->width, 1);
383 draw_util_rectangle(&(con->parent->frame_buffer), p->color->border,
384 dr->x, dr->y + dr->height - 1, dr->width, 1);
387 static void x_draw_decoration_after_title(Con *con, struct deco_render_params *p) {
388 assert(con->parent != NULL);
390 Rect *dr = &(con->deco_rect);
392 /* Redraw the right border to cut off any text that went past it.
393 * This is necessary when the text was drawn using XCB since cutting text off
394 * automatically does not work there. For pango rendering, this isn't necessary. */
395 if (!font_is_pango()) {
396 /* We actually only redraw the far right two pixels as that is the
397 * distance we keep from the edge (not the entire border width).
398 * Redrawing the entire border would cause text to be cut off. */
399 draw_util_rectangle(&(con->parent->frame_buffer), p->color->background,
400 dr->x + dr->width - 2 * logical_px(1),
406 /* Redraw the border. */
407 x_draw_title_border(con, p);
411 * Get rectangles representing the border around the child window. Some borders
412 * are adjacent to the screen-edge and thus not returned. Return value is the
413 * number of rectangles.
416 static size_t x_get_border_rectangles(Con *con, xcb_rectangle_t rectangles[4]) {
418 int border_style = con_border_style(con);
420 if (border_style != BS_NONE && con_is_leaf(con)) {
421 adjacent_t borders_to_hide = con_adjacent_borders(con) & config.hide_edge_borders;
422 Rect br = con_border_style_rect(con);
424 if (!(borders_to_hide & ADJ_LEFT_SCREEN_EDGE)) {
425 rectangles[count++] = (xcb_rectangle_t){
429 .height = con->rect.height,
432 if (!(borders_to_hide & ADJ_RIGHT_SCREEN_EDGE)) {
433 rectangles[count++] = (xcb_rectangle_t){
434 .x = con->rect.width + (br.width + br.x),
436 .width = -(br.width + br.x),
437 .height = con->rect.height,
440 if (!(borders_to_hide & ADJ_LOWER_SCREEN_EDGE)) {
441 rectangles[count++] = (xcb_rectangle_t){
443 .y = con->rect.height + (br.height + br.y),
444 .width = con->rect.width + br.width,
445 .height = -(br.height + br.y),
448 /* pixel border have an additional line at the top */
449 if (border_style == BS_PIXEL && !(borders_to_hide & ADJ_UPPER_SCREEN_EDGE)) {
450 rectangles[count++] = (xcb_rectangle_t){
453 .width = con->rect.width + br.width,
463 * Draws the decoration of the given container onto its parent.
466 void x_draw_decoration(Con *con) {
467 Con *parent = con->parent;
468 bool leaf = con_is_leaf(con);
470 /* This code needs to run for:
472 * • non-leaf containers which are in a stacked/tabbed container
474 * It does not need to run for:
475 * • direct children of outputs or dockareas
476 * • floating containers (they don’t have a decoration)
479 parent->layout != L_STACKED &&
480 parent->layout != L_TABBED) ||
481 parent->type == CT_OUTPUT ||
482 parent->type == CT_DOCKAREA ||
483 con->type == CT_FLOATING_CON)
486 /* Skip containers whose height is 0 (for example empty dockareas) */
487 if (con->rect.height == 0)
490 /* Skip containers whose pixmap has not yet been created (can happen when
491 * decoration rendering happens recursively for a window for which
492 * x_push_node() was not yet called) */
493 if (leaf && con->frame_buffer.id == XCB_NONE)
496 /* 1: build deco_params and compare with cache */
497 struct deco_render_params *p = scalloc(1, sizeof(struct deco_render_params));
499 /* find out which colors to use */
501 p->color = &config.client.urgent;
502 else if (con == focused || con_inside_focused(con))
503 p->color = &config.client.focused;
504 else if (con == TAILQ_FIRST(&(parent->focus_head)))
505 p->color = &config.client.focused_inactive;
507 p->color = &config.client.unfocused;
509 p->border_style = con_border_style(con);
511 Rect *r = &(con->rect);
512 Rect *w = &(con->window_rect);
513 p->con_rect = (struct width_height){r->width, r->height};
514 p->con_window_rect = (struct width_height){w->width, w->height};
515 p->con_deco_rect = con->deco_rect;
516 p->background = config.client.background;
517 p->con_is_leaf = con_is_leaf(con);
518 p->parent_layout = con->parent->layout;
520 if (con->deco_render_params != NULL &&
521 (con->window == NULL || !con->window->name_x_changed) &&
522 !parent->pixmap_recreated &&
523 !con->pixmap_recreated &&
524 !con->mark_changed &&
525 memcmp(p, con->deco_render_params, sizeof(struct deco_render_params)) == 0) {
531 while ((next = TAILQ_NEXT(next, nodes))) {
532 FREE(next->deco_render_params);
535 FREE(con->deco_render_params);
536 con->deco_render_params = p;
538 if (con->window != NULL && con->window->name_x_changed)
539 con->window->name_x_changed = false;
541 parent->pixmap_recreated = false;
542 con->pixmap_recreated = false;
543 con->mark_changed = false;
545 /* 2: draw the client.background, but only for the parts around the window_rect */
546 if (con->window != NULL) {
548 draw_util_rectangle(&(con->frame_buffer), config.client.background,
549 0, 0, r->width, w->y);
551 draw_util_rectangle(&(con->frame_buffer), config.client.background,
552 0, w->y + w->height, r->width, r->height - (w->y + w->height));
554 draw_util_rectangle(&(con->frame_buffer), config.client.background,
555 0, 0, w->x, r->height);
557 draw_util_rectangle(&(con->frame_buffer), config.client.background,
558 w->x + w->width, 0, r->width - (w->x + w->width), r->height);
561 /* 3: draw a rectangle in border color around the client */
562 if (p->border_style != BS_NONE && p->con_is_leaf) {
563 /* Fill the border. We don’t just fill the whole rectangle because some
564 * children are not freely resizable and we want their background color
565 * to "shine through". */
566 xcb_rectangle_t rectangles[4];
567 size_t rectangles_count = x_get_border_rectangles(con, rectangles);
568 for (size_t i = 0; i < rectangles_count; i++) {
569 draw_util_rectangle(&(con->frame_buffer), p->color->child_border,
573 rectangles[i].height);
576 /* Highlight the side of the border at which the next window will be
577 * opened if we are rendering a single window within a split container
578 * (which is undistinguishable from a single window outside a split
579 * container otherwise. */
580 Rect br = con_border_style_rect(con);
581 if (TAILQ_NEXT(con, nodes) == NULL &&
582 TAILQ_PREV(con, nodes_head, nodes) == NULL &&
583 con->parent->type != CT_FLOATING_CON) {
584 if (p->parent_layout == L_SPLITH) {
585 draw_util_rectangle(&(con->frame_buffer), p->color->indicator,
586 r->width + (br.width + br.x), br.y, -(br.width + br.x), r->height + br.height);
587 } else if (p->parent_layout == L_SPLITV) {
588 draw_util_rectangle(&(con->frame_buffer), p->color->indicator,
589 br.x, r->height + (br.height + br.y), r->width + br.width, -(br.height + br.y));
594 /* if this is a borderless/1pixel window, we don’t need to render the
596 if (p->border_style != BS_NORMAL)
599 /* If the parent hasn't been set up yet, skip the decoration rendering
601 if (parent->frame_buffer.id == XCB_NONE)
604 /* For the first child, we clear the parent pixmap to ensure there's no
605 * garbage left on there. This is important to avoid tearing when using
607 if (con == TAILQ_FIRST(&(con->parent->nodes_head))) {
608 draw_util_clear_surface(&(con->parent->frame_buffer), COLOR_TRANSPARENT);
609 FREE(con->parent->deco_render_params);
612 /* 4: paint the bar */
613 draw_util_rectangle(&(parent->frame_buffer), p->color->background,
614 con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height);
616 /* 5: draw title border */
617 x_draw_title_border(con, p);
619 /* 6: draw the title */
620 int text_offset_y = (con->deco_rect.height - config.font.height) / 2;
622 const int title_padding = logical_px(2);
623 const int deco_width = (int)con->deco_rect.width;
625 if (config.show_marks && !TAILQ_EMPTY(&(con->marks_head))) {
626 char *formatted_mark = sstrdup("");
627 bool had_visible_mark = false;
630 TAILQ_FOREACH(mark, &(con->marks_head), marks) {
631 if (mark->name[0] == '_')
633 had_visible_mark = true;
636 sasprintf(&buf, "%s[%s]", formatted_mark, mark->name);
637 free(formatted_mark);
638 formatted_mark = buf;
641 if (had_visible_mark) {
642 i3String *mark = i3string_from_utf8(formatted_mark);
643 mark_width = predict_text_width(mark);
645 int mark_offset_x = (config.title_align == ALIGN_RIGHT)
647 : deco_width - mark_width - title_padding;
649 draw_util_text(mark, &(parent->frame_buffer),
650 p->color->text, p->color->background,
651 con->deco_rect.x + mark_offset_x,
652 con->deco_rect.y + text_offset_y, mark_width);
655 mark_width += title_padding;
658 FREE(formatted_mark);
661 i3String *title = NULL;
662 struct Window *win = con->window;
664 if (con->title_format == NULL) {
666 char *tree = con_get_tree_representation(con);
667 sasprintf(&_title, "i3: %s", tree);
670 title = i3string_from_utf8(_title);
673 title = con_parse_title_format(con);
676 title = con->title_format == NULL ? win->name : con_parse_title_format(con);
683 switch (config.title_align) {
685 /* (pad)[text ](pad)[mark + its pad) */
686 title_offset_x = title_padding;
689 /* (pad)[ text ](pad)[mark + its pad)
690 * To center the text inside its allocated space, the surface
691 * between the brackets, we use the formula
692 * (surface_width - predict_text_width) / 2
693 * where surface_width = deco_width - 2 * pad - mark_width
694 * so, offset = pad + (surface_width - predict_text_width) / 2 =
695 * = … = (deco_width - mark_width - predict_text_width) / 2 */
696 title_offset_x = max(title_padding, (deco_width - mark_width - predict_text_width(title)) / 2);
699 /* [mark + its pad](pad)[ text](pad) */
700 title_offset_x = max(title_padding + mark_width, deco_width - title_padding - predict_text_width(title));
704 draw_util_text(title, &(parent->frame_buffer),
705 p->color->text, p->color->background,
706 con->deco_rect.x + title_offset_x,
707 con->deco_rect.y + text_offset_y,
708 deco_width - mark_width - 2 * title_padding);
710 if (win == NULL || con->title_format != NULL) {
711 I3STRING_FREE(title);
714 x_draw_decoration_after_title(con, p);
716 draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
720 * Recursively calls x_draw_decoration. This cannot be done in x_push_node
721 * because x_push_node uses focus order to recurse (see the comment above)
722 * while drawing the decoration needs to happen in the actual order.
725 void x_deco_recurse(Con *con) {
727 bool leaf = TAILQ_EMPTY(&(con->nodes_head)) &&
728 TAILQ_EMPTY(&(con->floating_head));
729 con_state *state = state_for_frame(con->frame.id);
732 TAILQ_FOREACH(current, &(con->nodes_head), nodes)
733 x_deco_recurse(current);
735 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
736 x_deco_recurse(current);
739 draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
743 if ((con->type != CT_ROOT && con->type != CT_OUTPUT) &&
744 (!leaf || con->mapped))
745 x_draw_decoration(con);
749 * Sets or removes the _NET_WM_STATE_HIDDEN property on con if necessary.
752 static void set_hidden_state(Con *con) {
753 if (con->window == NULL) {
757 con_state *state = state_for_frame(con->frame.id);
758 bool should_be_hidden = con_is_hidden(con);
759 if (should_be_hidden == state->is_hidden)
762 if (should_be_hidden) {
763 DLOG("setting _NET_WM_STATE_HIDDEN for con = %p\n", con);
764 xcb_add_property_atom(conn, con->window->id, A__NET_WM_STATE, A__NET_WM_STATE_HIDDEN);
766 DLOG("removing _NET_WM_STATE_HIDDEN for con = %p\n", con);
767 xcb_remove_property_atom(conn, con->window->id, A__NET_WM_STATE, A__NET_WM_STATE_HIDDEN);
770 state->is_hidden = should_be_hidden;
774 * Set the container frame shape as the union of the window shape and the
775 * shape of the frame borders.
777 static void x_shape_frame(Con *con, xcb_shape_sk_t shape_kind) {
780 xcb_shape_combine(conn, XCB_SHAPE_SO_SET, shape_kind, shape_kind,
782 con->window_rect.x + con->border_width,
783 con->window_rect.y + con->border_width,
785 xcb_rectangle_t rectangles[4];
786 size_t rectangles_count = x_get_border_rectangles(con, rectangles);
787 if (rectangles_count) {
788 xcb_shape_rectangles(conn, XCB_SHAPE_SO_UNION, shape_kind,
789 XCB_CLIP_ORDERING_UNSORTED, con->frame.id,
790 0, 0, rectangles_count, rectangles);
795 * Reset the container frame shape.
797 static void x_unshape_frame(Con *con, xcb_shape_sk_t shape_kind) {
800 xcb_shape_mask(conn, XCB_SHAPE_SO_SET, shape_kind, con->frame.id, 0, 0, XCB_PIXMAP_NONE);
804 * Shape or unshape container frame based on the con state.
806 static void set_shape_state(Con *con, bool need_reshape) {
807 if (!shape_supported || con->window == NULL) {
811 struct con_state *state;
812 if ((state = state_for_frame(con->frame.id)) == NULL) {
813 ELOG("window state for con %p not found\n", con);
817 if (need_reshape && con_is_floating(con)) {
818 /* We need to reshape the window frame only if it already has shape. */
819 if (con->window->shaped) {
820 x_shape_frame(con, XCB_SHAPE_SK_BOUNDING);
822 if (con->window->input_shaped) {
823 x_shape_frame(con, XCB_SHAPE_SK_INPUT);
827 if (state->was_floating && !con_is_floating(con)) {
828 /* Remove the shape when container is no longer floating. */
829 if (con->window->shaped) {
830 x_unshape_frame(con, XCB_SHAPE_SK_BOUNDING);
832 if (con->window->input_shaped) {
833 x_unshape_frame(con, XCB_SHAPE_SK_INPUT);
839 * This function pushes the properties of each node of the layout tree to
840 * X11 if they have changed (like the map state, position of the window, …).
841 * It recursively traverses all children of the given node.
844 void x_push_node(Con *con) {
847 Rect rect = con->rect;
849 //DLOG("Pushing changes for node %p / %s\n", con, con->name);
850 state = state_for_frame(con->frame.id);
852 if (state->name != NULL) {
853 DLOG("pushing name %s for con %p\n", state->name, con);
855 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->frame.id,
856 XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, strlen(state->name), state->name);
860 if (con->window == NULL) {
861 /* Calculate the height of all window decorations which will be drawn on to
863 uint32_t max_y = 0, max_height = 0;
864 TAILQ_FOREACH(current, &(con->nodes_head), nodes) {
865 Rect *dr = &(current->deco_rect);
866 if (dr->y >= max_y && dr->height >= max_height) {
868 max_height = dr->height;
871 rect.height = max_y + max_height;
872 if (rect.height == 0)
876 bool need_reshape = false;
878 /* reparent the child window (when the window was moved due to a sticky
880 if (state->need_reparent && con->window != NULL) {
881 DLOG("Reparenting child window\n");
883 /* Temporarily set the event masks to XCB_NONE so that we won’t get
884 * UnmapNotify events (otherwise the handler would close the container).
885 * These events are generated automatically when reparenting. */
886 uint32_t values[] = {XCB_NONE};
887 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
888 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
890 xcb_reparent_window(conn, con->window->id, con->frame.id, 0, 0);
892 values[0] = FRAME_EVENT_MASK;
893 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
894 values[0] = CHILD_EVENT_MASK;
895 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
897 state->old_frame = XCB_NONE;
898 state->need_reparent = false;
901 DLOG("ignore_unmap for reparenting of con %p (win 0x%08x) is now %d\n",
902 con, con->window->id, con->ignore_unmap);
907 /* We need to update shape when window frame dimensions is updated. */
908 need_reshape |= state->rect.width != rect.width ||
909 state->rect.height != rect.height ||
910 state->window_rect.width != con->window_rect.width ||
911 state->window_rect.height != con->window_rect.height;
913 /* We need to set shape when container becomes floating. */
914 need_reshape |= con_is_floating(con) && !state->was_floating;
916 /* The pixmap of a borderless leaf container will not be used except
917 * for the titlebar in a stack or tabs (issue #1013). */
918 bool is_pixmap_needed = (con->border_style != BS_NONE ||
920 con->parent->layout == L_STACKED ||
921 con->parent->layout == L_TABBED);
923 /* The root con and output cons will never require a pixmap. In particular for the
924 * __i3 output, this will likely not work anyway because it might be ridiculously
925 * large, causing an XCB_ALLOC error. */
926 if (con->type == CT_ROOT || con->type == CT_OUTPUT)
927 is_pixmap_needed = false;
929 bool fake_notify = false;
930 /* Set new position if rect changed (and if height > 0) or if the pixmap
931 * needs to be recreated */
932 if ((is_pixmap_needed && con->frame_buffer.id == XCB_NONE) || (memcmp(&(state->rect), &rect, sizeof(Rect)) != 0 &&
934 /* We first create the new pixmap, then render to it, set it as the
935 * background and only afterwards change the window size. This reduces
938 bool has_rect_changed = (state->rect.x != rect.x || state->rect.y != rect.y ||
939 state->rect.width != rect.width || state->rect.height != rect.height);
941 /* Check if the container has an unneeded pixmap left over from
942 * previously having a border or titlebar. */
943 if (!is_pixmap_needed && con->frame_buffer.id != XCB_NONE) {
944 draw_util_surface_free(conn, &(con->frame_buffer));
945 xcb_free_pixmap(conn, con->frame_buffer.id);
946 con->frame_buffer.id = XCB_NONE;
949 if (is_pixmap_needed && (has_rect_changed || con->frame_buffer.id == XCB_NONE)) {
950 if (con->frame_buffer.id == XCB_NONE) {
951 con->frame_buffer.id = xcb_generate_id(conn);
953 draw_util_surface_free(conn, &(con->frame_buffer));
954 xcb_free_pixmap(conn, con->frame_buffer.id);
957 uint16_t win_depth = root_depth;
959 win_depth = con->window->depth;
961 /* Ensure we have valid dimensions for our surface. */
962 // TODO This is probably a bug in the condition above as we should never enter this path
963 // for height == 0. Also, we should probably handle width == 0 the same way.
964 int width = MAX((int32_t)rect.width, 1);
965 int height = MAX((int32_t)rect.height, 1);
967 xcb_create_pixmap(conn, win_depth, con->frame_buffer.id, con->frame.id, width, height);
968 draw_util_surface_init(conn, &(con->frame_buffer), con->frame_buffer.id,
969 get_visualtype_by_id(get_visualid_by_depth(win_depth)), width, height);
971 /* For the graphics context, we disable GraphicsExposure events.
972 * Those will be sent when a CopyArea request cannot be fulfilled
973 * properly due to parts of the source being unmapped or otherwise
974 * unavailable. Since we always copy from pixmaps to windows, this
975 * is not a concern for us. */
976 xcb_change_gc(conn, con->frame_buffer.gc, XCB_GC_GRAPHICS_EXPOSURES, (uint32_t[]){0});
978 draw_util_surface_set_size(&(con->frame), width, height);
979 con->pixmap_recreated = true;
981 /* Don’t render the decoration for windows inside a stack which are
982 * not visible right now */
983 // TODO Should this work the same way for L_TABBED?
985 con->parent->layout != L_STACKED ||
986 TAILQ_FIRST(&(con->parent->focus_head)) == con)
987 /* Render the decoration now to make the correct decoration visible
988 * from the very first moment. Later calls will be cached, so this
989 * doesn’t hurt performance. */
993 DLOG("setting rect (%d, %d, %d, %d)\n", rect.x, rect.y, rect.width, rect.height);
994 /* flush to ensure that the following commands are sent in a single
995 * buffer and will be processed directly afterwards (the contents of a
996 * window get lost when resizing it, therefore we want to provide it as
997 * fast as possible) */
999 xcb_set_window_rect(conn, con->frame.id, rect);
1000 if (con->frame_buffer.id != XCB_NONE) {
1001 draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
1005 memcpy(&(state->rect), &rect, sizeof(Rect));
1009 /* dito, but for child windows */
1010 if (con->window != NULL &&
1011 memcmp(&(state->window_rect), &(con->window_rect), sizeof(Rect)) != 0) {
1012 DLOG("setting window rect (%d, %d, %d, %d)\n",
1013 con->window_rect.x, con->window_rect.y, con->window_rect.width, con->window_rect.height);
1014 xcb_set_window_rect(conn, con->window->id, con->window_rect);
1015 memcpy(&(state->window_rect), &(con->window_rect), sizeof(Rect));
1019 set_shape_state(con, need_reshape);
1021 /* Map if map state changed, also ensure that the child window
1022 * is changed if we are mapped and there is a new, unmapped child window.
1023 * Unmaps are handled in x_push_node_unmaps(). */
1024 if ((state->mapped != con->mapped || (con->window != NULL && !state->child_mapped)) &&
1026 xcb_void_cookie_t cookie;
1028 if (con->window != NULL) {
1029 /* Set WM_STATE_NORMAL because GTK applications don’t want to
1030 * drag & drop if we don’t. Also, xprop(1) needs it. */
1031 long data[] = {XCB_ICCCM_WM_STATE_NORMAL, XCB_NONE};
1032 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
1033 A_WM_STATE, A_WM_STATE, 32, 2, data);
1037 if (!state->child_mapped && con->window != NULL) {
1038 cookie = xcb_map_window(conn, con->window->id);
1040 /* We are interested in EnterNotifys as soon as the window is
1042 values[0] = CHILD_EVENT_MASK;
1043 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
1044 DLOG("mapping child window (serial %d)\n", cookie.sequence);
1045 state->child_mapped = true;
1048 cookie = xcb_map_window(conn, con->frame.id);
1050 values[0] = FRAME_EVENT_MASK;
1051 xcb_change_window_attributes(conn, con->frame.id, XCB_CW_EVENT_MASK, values);
1053 /* copy the pixmap contents to the frame window immediately after mapping */
1054 if (con->frame_buffer.id != XCB_NONE) {
1055 draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
1059 DLOG("mapping container %08x (serial %d)\n", con->frame.id, cookie.sequence);
1060 state->mapped = con->mapped;
1063 state->unmap_now = (state->mapped != con->mapped) && !con->mapped;
1064 state->was_floating = con_is_floating(con);
1067 DLOG("Sending fake configure notify\n");
1068 fake_absolute_configure_notify(con);
1071 set_hidden_state(con);
1073 /* Handle all children and floating windows of this node. We recurse
1074 * in focus order to display the focused client in a stack first when
1075 * switching workspaces (reduces flickering). */
1076 TAILQ_FOREACH(current, &(con->focus_head), focused) {
1077 x_push_node(current);
1082 * Same idea as in x_push_node(), but this function only unmaps windows. It is
1083 * necessary to split this up to handle new fullscreen clients properly: The
1084 * new window needs to be mapped and focus needs to be set *before* the
1085 * underlying windows are unmapped. Otherwise, focus will revert to the
1086 * PointerRoot and will then be set to the new window, generating unnecessary
1087 * FocusIn/FocusOut events.
1090 static void x_push_node_unmaps(Con *con) {
1094 //DLOG("Pushing changes (with unmaps) for node %p / %s\n", con, con->name);
1095 state = state_for_frame(con->frame.id);
1097 /* map/unmap if map state changed, also ensure that the child window
1098 * is changed if we are mapped *and* in initial state (meaning the
1099 * container was empty before, but now got a child) */
1100 if (state->unmap_now) {
1101 xcb_void_cookie_t cookie;
1102 if (con->window != NULL) {
1103 /* Set WM_STATE_WITHDRAWN, it seems like Java apps need it */
1104 long data[] = {XCB_ICCCM_WM_STATE_WITHDRAWN, XCB_NONE};
1105 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
1106 A_WM_STATE, A_WM_STATE, 32, 2, data);
1109 cookie = xcb_unmap_window(conn, con->frame.id);
1110 DLOG("unmapping container %p / %s (serial %d)\n", con, con->name, cookie.sequence);
1111 /* we need to increase ignore_unmap for this container (if it
1112 * contains a window) and for every window "under" this one which
1113 * contains a window */
1114 if (con->window != NULL) {
1115 con->ignore_unmap++;
1116 DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame.id, con->ignore_unmap);
1118 state->mapped = con->mapped;
1121 /* handle all children and floating windows of this node */
1122 TAILQ_FOREACH(current, &(con->nodes_head), nodes)
1123 x_push_node_unmaps(current);
1125 TAILQ_FOREACH(current, &(con->floating_head), floating_windows)
1126 x_push_node_unmaps(current);
1130 * Returns true if the given container is currently attached to its parent.
1132 * TODO: Remove once #1185 has been fixed
1134 static bool is_con_attached(Con *con) {
1135 if (con->parent == NULL)
1139 TAILQ_FOREACH(current, &(con->parent->nodes_head), nodes) {
1148 * Pushes all changes (state of each node, see x_push_node() and the window
1151 * NOTE: We need to push the stack first so that the windows have the correct
1152 * stacking order. This is relevant for workspace switching where we map the
1153 * windows because mapping may generate EnterNotify events. When they are
1154 * generated in the wrong order, this will cause focus problems when switching
1158 void x_push_changes(Con *con) {
1160 xcb_query_pointer_cookie_t pointercookie;
1162 /* If we need to warp later, we request the pointer position as soon as possible */
1164 pointercookie = xcb_query_pointer(conn, root);
1167 DLOG("-- PUSHING WINDOW STACK --\n");
1168 //DLOG("Disabling EnterNotify\n");
1169 /* We need to keep SubstructureRedirect around, otherwise clients can send
1170 * ConfigureWindow requests and get them applied directly instead of having
1171 * them become ConfigureRequests that i3 handles. */
1172 uint32_t values[1] = {XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT};
1173 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
1175 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1177 //DLOG("Done, EnterNotify disabled\n");
1178 bool order_changed = false;
1179 bool stacking_changed = false;
1181 /* count first, necessary to (re)allocate memory for the bottom-to-top
1182 * stack afterwards */
1184 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state)
1185 if (con_has_managed_window(state->con))
1188 /* The bottom-to-top window stack of all windows which are managed by i3.
1189 * Used for x_get_window_stack(). */
1190 static xcb_window_t *client_list_windows = NULL;
1191 static int client_list_count = 0;
1193 if (cnt != client_list_count) {
1194 client_list_windows = srealloc(client_list_windows, sizeof(xcb_window_t) * cnt);
1195 client_list_count = cnt;
1198 xcb_window_t *walk = client_list_windows;
1200 /* X11 correctly represents the stack if we push it from bottom to top */
1201 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
1202 if (con_has_managed_window(state->con))
1203 memcpy(walk++, &(state->con->window->id), sizeof(xcb_window_t));
1205 //DLOG("stack: 0x%08x\n", state->id);
1206 con_state *prev = CIRCLEQ_PREV(state, state);
1207 con_state *old_prev = CIRCLEQ_PREV(state, old_state);
1208 if (prev != old_prev)
1209 order_changed = true;
1210 if ((state->initial || order_changed) && prev != CIRCLEQ_END(&state_head)) {
1211 stacking_changed = true;
1212 //DLOG("Stacking 0x%08x above 0x%08x\n", prev->id, state->id);
1214 mask |= XCB_CONFIG_WINDOW_SIBLING;
1215 mask |= XCB_CONFIG_WINDOW_STACK_MODE;
1216 uint32_t values[] = {state->id, XCB_STACK_MODE_ABOVE};
1218 xcb_configure_window(conn, prev->id, mask, values);
1220 state->initial = false;
1223 /* If we re-stacked something (or a new window appeared), we need to update
1224 * the _NET_CLIENT_LIST and _NET_CLIENT_LIST_STACKING hints */
1225 if (stacking_changed) {
1226 DLOG("Client list changed (%i clients)\n", cnt);
1227 ewmh_update_client_list_stacking(client_list_windows, client_list_count);
1229 walk = client_list_windows;
1231 /* reorder by initial mapping */
1232 TAILQ_FOREACH(state, &initial_mapping_head, initial_mapping_order) {
1233 if (con_has_managed_window(state->con))
1234 *walk++ = state->con->window->id;
1237 ewmh_update_client_list(client_list_windows, client_list_count);
1240 DLOG("PUSHING CHANGES\n");
1244 xcb_query_pointer_reply_t *pointerreply = xcb_query_pointer_reply(conn, pointercookie, NULL);
1245 if (!pointerreply) {
1246 ELOG("Could not query pointer position, not warping pointer\n");
1248 int mid_x = warp_to->x + (warp_to->width / 2);
1249 int mid_y = warp_to->y + (warp_to->height / 2);
1251 Output *current = get_output_containing(pointerreply->root_x, pointerreply->root_y);
1252 Output *target = get_output_containing(mid_x, mid_y);
1253 if (current != target) {
1254 /* Ignore MotionNotify events generated by warping */
1255 xcb_change_window_attributes(conn, root, XCB_CW_EVENT_MASK, (uint32_t[]){XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT});
1256 xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0, mid_x, mid_y);
1257 xcb_change_window_attributes(conn, root, XCB_CW_EVENT_MASK, (uint32_t[]){ROOT_EVENT_MASK});
1265 //DLOG("Re-enabling EnterNotify\n");
1266 values[0] = FRAME_EVENT_MASK;
1267 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
1269 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1271 //DLOG("Done, EnterNotify re-enabled\n");
1273 x_deco_recurse(con);
1275 xcb_window_t to_focus = focused->frame.id;
1276 if (focused->window != NULL)
1277 to_focus = focused->window->id;
1279 if (focused_id != to_focus) {
1280 if (!focused->mapped) {
1281 DLOG("Not updating focus (to %p / %s), focused window is not mapped.\n", focused, focused->name);
1282 /* Invalidate focused_id to correctly focus new windows with the same ID */
1283 focused_id = XCB_NONE;
1285 if (focused->window != NULL &&
1286 focused->window->needs_take_focus &&
1287 focused->window->doesnt_accept_focus) {
1288 DLOG("Updating focus by sending WM_TAKE_FOCUS to window 0x%08x (focused: %p / %s)\n",
1289 to_focus, focused, focused->name);
1290 send_take_focus(to_focus, last_timestamp);
1292 change_ewmh_focus((con_has_managed_window(focused) ? focused->window->id : XCB_WINDOW_NONE), last_focused);
1294 if (to_focus != last_focused && is_con_attached(focused))
1295 ipc_send_window_event("focus", focused);
1297 DLOG("Updating focus (focused: %p / %s) to X11 window 0x%08x\n", focused, focused->name, to_focus);
1298 /* We remove XCB_EVENT_MASK_FOCUS_CHANGE from the event mask to get
1299 * no focus change events for our own focus changes. We only want
1300 * these generated by the clients. */
1301 if (focused->window != NULL) {
1302 values[0] = CHILD_EVENT_MASK & ~(XCB_EVENT_MASK_FOCUS_CHANGE);
1303 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
1305 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, to_focus, last_timestamp);
1306 if (focused->window != NULL) {
1307 values[0] = CHILD_EVENT_MASK;
1308 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
1311 change_ewmh_focus((con_has_managed_window(focused) ? focused->window->id : XCB_WINDOW_NONE), last_focused);
1313 if (to_focus != XCB_NONE && to_focus != last_focused && focused->window != NULL && is_con_attached(focused))
1314 ipc_send_window_event("focus", focused);
1317 focused_id = last_focused = to_focus;
1321 if (focused_id == XCB_NONE) {
1322 /* If we still have no window to focus, we focus the EWMH window instead. We use this rather than the
1323 * root window in order to avoid an X11 fallback mechanism causing a ghosting effect (see #1378). */
1324 DLOG("Still no window focused, better set focus to the EWMH support window (%d)\n", ewmh_window);
1325 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, ewmh_window, last_timestamp);
1326 change_ewmh_focus(XCB_WINDOW_NONE, last_focused);
1328 focused_id = ewmh_window;
1329 last_focused = XCB_NONE;
1333 DLOG("ENDING CHANGES\n");
1335 /* Disable EnterWindow events for windows which will be unmapped in
1336 * x_push_node_unmaps() now. Unmapping windows happens when switching
1337 * workspaces. We want to avoid getting EnterNotifies during that phase
1338 * because they would screw up our focus. One of these cases is having a
1339 * stack with two windows. If the first window is focused and gets
1340 * unmapped, the second one appears under the cursor and therefore gets an
1341 * EnterNotify event. */
1342 values[0] = FRAME_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
1343 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
1344 if (!state->unmap_now)
1346 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1349 /* Push all pending unmaps */
1350 x_push_node_unmaps(con);
1352 /* save the current stack as old stack */
1353 CIRCLEQ_FOREACH(state, &state_head, state) {
1354 CIRCLEQ_REMOVE(&old_state_head, state, old_state);
1355 CIRCLEQ_INSERT_TAIL(&old_state_head, state, old_state);
1357 //CIRCLEQ_FOREACH(state, &old_state_head, old_state) {
1358 // DLOG("old stack: 0x%08x\n", state->id);
1365 * Raises the specified container in the internal stack of X windows. The
1366 * next call to x_push_changes() will make the change visible in X11.
1369 void x_raise_con(Con *con) {
1371 state = state_for_frame(con->frame.id);
1372 //DLOG("raising in new stack: %p / %s / %s / xid %08x\n", con, con->name, con->window ? con->window->name_json : "", state->id);
1374 CIRCLEQ_REMOVE(&state_head, state, state);
1375 CIRCLEQ_INSERT_HEAD(&state_head, state, state);
1379 * Sets the WM_NAME property (so, no UTF8, but used only for debugging anyways)
1380 * of the given name. Used for properly tagging the windows for easily spotting
1381 * i3 windows in xwininfo -root -all.
1384 void x_set_name(Con *con, const char *name) {
1385 struct con_state *state;
1387 if ((state = state_for_frame(con->frame.id)) == NULL) {
1388 ELOG("window state not found\n");
1393 state->name = sstrdup(name);
1397 * Set up the I3_SHMLOG_PATH atom.
1400 void update_shmlog_atom(void) {
1401 if (*shmlogname == '\0') {
1402 xcb_delete_property(conn, root, A_I3_SHMLOG_PATH);
1404 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
1405 A_I3_SHMLOG_PATH, A_UTF8_STRING, 8,
1406 strlen(shmlogname), shmlogname);
1411 * Sets up i3 specific atoms (I3_SOCKET_PATH and I3_CONFIG_PATH)
1414 void x_set_i3_atoms(void) {
1415 pid_t pid = getpid();
1416 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_SOCKET_PATH, A_UTF8_STRING, 8,
1417 (current_socketpath == NULL ? 0 : strlen(current_socketpath)),
1418 current_socketpath);
1419 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_PID, XCB_ATOM_CARDINAL, 32, 1, &pid);
1420 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_CONFIG_PATH, A_UTF8_STRING, 8,
1421 strlen(current_configpath), current_configpath);
1422 update_shmlog_atom();
1426 * Set warp_to coordinates. This will trigger on the next call to
1430 void x_set_warp_to(Rect *rect) {
1431 if (config.mouse_warping != POINTER_WARPING_NONE)
1436 * Applies the given mask to the event mask of every i3 window decoration X11
1437 * window. This is useful to disable EnterNotify while resizing so that focus
1441 void x_mask_event_mask(uint32_t mask) {
1442 uint32_t values[] = {FRAME_EVENT_MASK & mask};
1445 CIRCLEQ_FOREACH_REVERSE(state, &state_head, state) {
1447 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1452 * Enables or disables nonrectangular shape of the container frame.
1454 void x_set_shape(Con *con, xcb_shape_sk_t kind, bool enable) {
1455 struct con_state *state;
1456 if ((state = state_for_frame(con->frame.id)) == NULL) {
1457 ELOG("window state for con %p not found\n", con);
1462 case XCB_SHAPE_SK_BOUNDING:
1463 con->window->shaped = enable;
1465 case XCB_SHAPE_SK_INPUT:
1466 con->window->input_shaped = enable;
1469 ELOG("Received unknown shape event kind for con %p. This is a bug.\n",
1474 if (con_is_floating(con)) {
1476 x_shape_frame(con, kind);
1478 x_unshape_frame(con, kind);