i3
x.c
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1/*
2 * vim:ts=4:sw=4:expandtab
3 *
4 * i3 - an improved dynamic tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
6 *
7 * x.c: Interface to X11, transfers our in-memory state to X11 (see also
8 * render.c). Basically a big state machine.
9 *
10 */
11#include "all.h"
12
13#include <unistd.h>
14
15#ifndef MAX
16#define MAX(x, y) ((x) > (y) ? (x) : (y))
17#endif
18
19/* Stores the X11 window ID of the currently focused window */
20xcb_window_t focused_id = XCB_NONE;
21
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. */
25static xcb_window_t last_focused = XCB_NONE;
26
27/* Stores coordinates to warp mouse pointer to if set */
28static Rect *warp_to;
29
30/*
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().
36 *
37 */
38typedef struct con_state {
39 xcb_window_t id;
40 bool mapped;
44
45 /* The con for which this state is. */
47
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;
53
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
56 * longer floating. */
58
61
62 bool initial;
63
64 char *name;
65
67 CIRCLEQ_ENTRY(con_state) old_state;
68 TAILQ_ENTRY(con_state) initial_mapping_order;
70
71CIRCLEQ_HEAD(state_head, con_state) state_head =
72 CIRCLEQ_HEAD_INITIALIZER(state_head);
73
74CIRCLEQ_HEAD(old_state_head, con_state) old_state_head =
75 CIRCLEQ_HEAD_INITIALIZER(old_state_head);
76
77TAILQ_HEAD(initial_mapping_head, con_state) initial_mapping_head =
78 TAILQ_HEAD_INITIALIZER(initial_mapping_head);
79
80/*
81 * Returns the container state for the given frame. This function always
82 * returns a container state (otherwise, there is a bug in the code and the
83 * container state of a container for which x_con_init() was not called was
84 * requested).
85 *
86 */
87static con_state *state_for_frame(xcb_window_t window) {
89 CIRCLEQ_FOREACH (state, &state_head, state) {
90 if (state->id == window) {
91 return state;
92 }
93 }
94
95 /* TODO: better error handling? */
96 ELOG("No state found for window 0x%08x\n", window);
97 assert(false);
98 return NULL;
99}
100
101/*
102 * Changes the atoms on the root window and the windows themselves to properly
103 * reflect the current focus for ewmh compliance.
104 *
105 */
106static void change_ewmh_focus(xcb_window_t new_focus, xcb_window_t old_focus) {
107 if (new_focus == old_focus) {
108 return;
109 }
110
111 ewmh_update_active_window(new_focus);
112
113 if (new_focus != XCB_WINDOW_NONE) {
114 ewmh_update_focused(new_focus, true);
115 }
116
117 if (old_focus != XCB_WINDOW_NONE) {
118 ewmh_update_focused(old_focus, false);
119 }
120}
121
122/*
123 * Initializes the X11 part for the given container. Called exactly once for
124 * every container from con_new().
125 *
126 */
127void x_con_init(Con *con) {
128 /* TODO: maybe create the window when rendering first? we could then even
129 * get the initial geometry right */
130
131 uint32_t mask = 0;
132 uint32_t values[5];
133
134 xcb_visualid_t visual = get_visualid_by_depth(con->depth);
135 xcb_colormap_t win_colormap;
136 if (con->depth != root_depth) {
137 /* We need to create a custom colormap. */
138 win_colormap = xcb_generate_id(conn);
139 xcb_create_colormap(conn, XCB_COLORMAP_ALLOC_NONE, win_colormap, root, visual);
140 con->colormap = win_colormap;
141 } else {
142 /* Use the default colormap. */
143 win_colormap = colormap;
144 con->colormap = XCB_NONE;
145 }
146
147 /* We explicitly set a background color and border color (even though we
148 * don’t even have a border) because the X11 server requires us to when
149 * using 32 bit color depths, see
150 * https://stackoverflow.com/questions/3645632 */
151 mask |= XCB_CW_BACK_PIXEL;
152 values[0] = root_screen->black_pixel;
153
154 mask |= XCB_CW_BORDER_PIXEL;
155 values[1] = root_screen->black_pixel;
156
157 /* our own frames should not be managed */
158 mask |= XCB_CW_OVERRIDE_REDIRECT;
159 values[2] = 1;
160
161 /* see include/xcb.h for the FRAME_EVENT_MASK */
162 mask |= XCB_CW_EVENT_MASK;
163 values[3] = FRAME_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
164
165 mask |= XCB_CW_COLORMAP;
166 values[4] = win_colormap;
167
168 Rect dims = {-15, -15, 10, 10};
169 xcb_window_t frame_id = create_window(conn, dims, con->depth, visual, XCB_WINDOW_CLASS_INPUT_OUTPUT, XCURSOR_CURSOR_POINTER, false, mask, values);
170 draw_util_surface_init(conn, &(con->frame), frame_id, get_visualtype_by_id(visual), dims.width, dims.height);
171 xcb_change_property(conn,
172 XCB_PROP_MODE_REPLACE,
173 con->frame.id,
174 XCB_ATOM_WM_CLASS,
175 XCB_ATOM_STRING,
176 8,
177 (strlen("i3-frame") + 1) * 2,
178 "i3-frame\0i3-frame\0");
179
180 struct con_state *state = scalloc(1, sizeof(struct con_state));
181 state->id = con->frame.id;
182 state->mapped = false;
183 state->initial = true;
184 DLOG("Adding window 0x%08x to lists\n", state->id);
185 CIRCLEQ_INSERT_HEAD(&state_head, state, state);
186 CIRCLEQ_INSERT_HEAD(&old_state_head, state, old_state);
187 TAILQ_INSERT_TAIL(&initial_mapping_head, state, initial_mapping_order);
188 DLOG("adding new state for window id 0x%08x\n", state->id);
189}
190
191/*
192 * Re-initializes the associated X window state for this container. You have
193 * to call this when you assign a client to an empty container to ensure that
194 * its state gets updated correctly.
195 *
196 */
198 struct con_state *state;
199
200 if ((state = state_for_frame(con->frame.id)) == NULL) {
201 ELOG("window state not found\n");
202 return;
203 }
204
205 DLOG("resetting state %p to initial\n", state);
206 state->initial = true;
207 state->child_mapped = false;
208 state->con = con;
209 memset(&(state->window_rect), 0, sizeof(Rect));
210}
211
212/*
213 * Reparents the child window of the given container (necessary for sticky
214 * containers). The reparenting happens in the next call of x_push_changes().
215 *
216 */
218 struct con_state *state;
219 if ((state = state_for_frame(con->frame.id)) == NULL) {
220 ELOG("window state for con not found\n");
221 return;
222 }
223
224 state->need_reparent = true;
225 state->old_frame = old->frame.id;
226}
227
228/*
229 * Moves a child window from Container src to Container dest.
230 *
231 */
232void x_move_win(Con *src, Con *dest) {
233 struct con_state *state_src, *state_dest;
234
235 if ((state_src = state_for_frame(src->frame.id)) == NULL) {
236 ELOG("window state for src not found\n");
237 return;
238 }
239
240 if ((state_dest = state_for_frame(dest->frame.id)) == NULL) {
241 ELOG("window state for dest not found\n");
242 return;
243 }
244
245 state_dest->con = state_src->con;
246 state_src->con = NULL;
247
248 if (rect_equals(state_dest->window_rect, (Rect){0, 0, 0, 0})) {
249 memcpy(&(state_dest->window_rect), &(state_src->window_rect), sizeof(Rect));
250 DLOG("COPYING RECT\n");
251 }
252}
253
254static void _x_con_kill(Con *con) {
256
257 if (con->colormap != XCB_NONE) {
258 xcb_free_colormap(conn, con->colormap);
259 }
260
263 xcb_free_pixmap(conn, con->frame_buffer.id);
264 con->frame_buffer.id = XCB_NONE;
265 state = state_for_frame(con->frame.id);
266 CIRCLEQ_REMOVE(&state_head, state, state);
267 CIRCLEQ_REMOVE(&old_state_head, state, old_state);
268 TAILQ_REMOVE(&initial_mapping_head, state, initial_mapping_order);
269 FREE(state->name);
270 free(state);
271
272 /* Invalidate focused_id to correctly focus new windows with the same ID */
273 if (con->frame.id == focused_id) {
274 focused_id = XCB_NONE;
275 }
276 if (con->frame.id == last_focused) {
277 last_focused = XCB_NONE;
278 }
279}
280
281/*
282 * Kills the window decoration associated with the given container.
283 *
284 */
287 xcb_destroy_window(conn, con->frame.id);
288}
289
290/*
291 * Completely reinitializes the container's frame, without destroying the old window.
292 *
293 */
298
299/*
300 * Returns true if the client supports the given protocol atom (like WM_DELETE_WINDOW)
301 *
302 */
303bool window_supports_protocol(xcb_window_t window, xcb_atom_t atom) {
304 xcb_get_property_cookie_t cookie;
305 xcb_icccm_get_wm_protocols_reply_t protocols;
306 bool result = false;
307
308 cookie = xcb_icccm_get_wm_protocols(conn, window, A_WM_PROTOCOLS);
309 if (xcb_icccm_get_wm_protocols_reply(conn, cookie, &protocols, NULL) != 1)
310 return false;
311
312 /* Check if the client’s protocols have the requested atom set */
313 for (uint32_t i = 0; i < protocols.atoms_len; i++)
314 if (protocols.atoms[i] == atom)
315 result = true;
316
317 xcb_icccm_get_wm_protocols_reply_wipe(&protocols);
318
319 return result;
320}
321
322/*
323 * Kills the given X11 window using WM_DELETE_WINDOW (if supported).
324 *
325 */
326void x_window_kill(xcb_window_t window, kill_window_t kill_window) {
327 /* if this window does not support WM_DELETE_WINDOW, we kill it the hard way */
328 if (!window_supports_protocol(window, A_WM_DELETE_WINDOW)) {
329 if (kill_window == KILL_WINDOW) {
330 LOG("Killing specific window 0x%08x\n", window);
331 xcb_destroy_window(conn, window);
332 } else {
333 LOG("Killing the X11 client which owns window 0x%08x\n", window);
334 xcb_kill_client(conn, window);
335 }
336 return;
337 }
338
339 /* Every X11 event is 32 bytes long. Therefore, XCB will copy 32 bytes.
340 * In order to properly initialize these bytes, we allocate 32 bytes even
341 * though we only need less for an xcb_configure_notify_event_t */
342 void *event = scalloc(32, 1);
343 xcb_client_message_event_t *ev = event;
344
345 ev->response_type = XCB_CLIENT_MESSAGE;
346 ev->window = window;
347 ev->type = A_WM_PROTOCOLS;
348 ev->format = 32;
349 ev->data.data32[0] = A_WM_DELETE_WINDOW;
350 ev->data.data32[1] = XCB_CURRENT_TIME;
351
352 LOG("Sending WM_DELETE to the client\n");
353 xcb_send_event(conn, false, window, XCB_EVENT_MASK_NO_EVENT, (char *)ev);
354 xcb_flush(conn);
355 free(event);
356}
357
358static void x_draw_title_border(Con *con, struct deco_render_params *p, surface_t *dest_surface) {
359 Rect *dr = &(con->deco_rect);
360
361 /* Left */
362 draw_util_rectangle(dest_surface, p->color->border,
363 dr->x, dr->y, 1, dr->height);
364
365 /* Right */
366 draw_util_rectangle(dest_surface, p->color->border,
367 dr->x + dr->width - 1, dr->y, 1, dr->height);
368
369 /* Top */
370 draw_util_rectangle(dest_surface, p->color->border,
371 dr->x, dr->y, dr->width, 1);
372
373 /* Bottom */
374 draw_util_rectangle(dest_surface, p->color->border,
375 dr->x, dr->y + dr->height - 1, dr->width, 1);
376}
377
378static void x_draw_decoration_after_title(Con *con, struct deco_render_params *p, surface_t *dest_surface) {
379 assert(con->parent != NULL);
380
381 Rect *dr = &(con->deco_rect);
382
383 /* Redraw the right border to cut off any text that went past it.
384 * This is necessary when the text was drawn using XCB since cutting text off
385 * automatically does not work there. For pango rendering, this isn't necessary. */
386 if (!font_is_pango()) {
387 /* We actually only redraw the far right two pixels as that is the
388 * distance we keep from the edge (not the entire border width).
389 * Redrawing the entire border would cause text to be cut off. */
390 draw_util_rectangle(dest_surface, p->color->background,
391 dr->x + dr->width - 2 * logical_px(1),
392 dr->y,
393 2 * logical_px(1),
394 dr->height);
395 }
396
397 /* Redraw the border. */
398 x_draw_title_border(con, p, dest_surface);
399}
400
401/*
402 * Get rectangles representing the border around the child window. Some borders
403 * are adjacent to the screen-edge and thus not returned. Return value is the
404 * number of rectangles.
405 *
406 */
407static size_t x_get_border_rectangles(Con *con, xcb_rectangle_t rectangles[4]) {
408 size_t count = 0;
409 int border_style = con_border_style(con);
410
411 if (border_style != BS_NONE && con_is_leaf(con)) {
414
415 if (!(borders_to_hide & ADJ_LEFT_SCREEN_EDGE)) {
416 rectangles[count++] = (xcb_rectangle_t){
417 .x = 0,
418 .y = 0,
419 .width = br.x,
420 .height = con->rect.height,
421 };
422 }
423 if (!(borders_to_hide & ADJ_RIGHT_SCREEN_EDGE)) {
424 rectangles[count++] = (xcb_rectangle_t){
425 .x = con->rect.width + (br.width + br.x),
426 .y = 0,
427 .width = -(br.width + br.x),
428 .height = con->rect.height,
429 };
430 }
431 if (!(borders_to_hide & ADJ_LOWER_SCREEN_EDGE)) {
432 rectangles[count++] = (xcb_rectangle_t){
433 .x = br.x,
434 .y = con->rect.height + (br.height + br.y),
435 .width = con->rect.width + br.width,
436 .height = -(br.height + br.y),
437 };
438 }
439 /* pixel border have an additional line at the top */
440 if (border_style == BS_PIXEL && !(borders_to_hide & ADJ_UPPER_SCREEN_EDGE)) {
441 rectangles[count++] = (xcb_rectangle_t){
442 .x = br.x,
443 .y = 0,
444 .width = con->rect.width + br.width,
445 .height = br.y,
446 };
447 }
448 }
449
450 return count;
451}
452
453/*
454 * Draws the decoration of the given container onto its parent.
455 *
456 */
458 Con *parent = con->parent;
459 bool leaf = con_is_leaf(con);
460
461 /* This code needs to run for:
462 * • leaf containers
463 * • non-leaf containers which are in a stacked/tabbed container
464 *
465 * It does not need to run for:
466 * • direct children of outputs or dockareas
467 * • floating containers (they don’t have a decoration)
468 */
469 if ((!leaf &&
470 parent->layout != L_STACKED &&
471 parent->layout != L_TABBED) ||
472 parent->type == CT_OUTPUT ||
473 parent->type == CT_DOCKAREA ||
474 con->type == CT_FLOATING_CON)
475 return;
476
477 /* Skip containers whose height is 0 (for example empty dockareas) */
478 if (con->rect.height == 0)
479 return;
480
481 /* Skip containers whose pixmap has not yet been created (can happen when
482 * decoration rendering happens recursively for a window for which
483 * x_push_node() was not yet called) */
484 if (leaf && con->frame_buffer.id == XCB_NONE)
485 return;
486
487 /* 1: build deco_params and compare with cache */
488 struct deco_render_params *p = scalloc(1, sizeof(struct deco_render_params));
489
490 /* find out which colors to use */
491 if (con->urgent) {
493 } else if (con == focused || con_inside_focused(con)) {
495 } else if (con == TAILQ_FIRST(&(parent->focus_head))) {
497 /* Stacked/tabbed parent of focused container */
499 } else {
501 }
502 } else {
504 }
505
507
508 Rect *r = &(con->rect);
509 Rect *w = &(con->window_rect);
510 p->con_rect = (struct width_height){r->width, r->height};
511 p->con_window_rect = (struct width_height){w->width, w->height};
512 p->con_deco_rect = con->deco_rect;
514 p->con_is_leaf = con_is_leaf(con);
515 p->parent_layout = con->parent->layout;
516
517 if (con->deco_render_params != NULL &&
518 (con->window == NULL || !con->window->name_x_changed) &&
519 !parent->pixmap_recreated &&
520 !con->pixmap_recreated &&
521 !con->mark_changed &&
522 memcmp(p, con->deco_render_params, sizeof(struct deco_render_params)) == 0) {
523 free(p);
524 goto copy_pixmaps;
525 }
526
527 Con *next = con;
528 while ((next = TAILQ_NEXT(next, nodes))) {
530 }
531
533 con->deco_render_params = p;
534
535 if (con->window != NULL && con->window->name_x_changed)
536 con->window->name_x_changed = false;
537
538 parent->pixmap_recreated = false;
539 con->pixmap_recreated = false;
540 con->mark_changed = false;
541
542 /* 2: draw the client.background, but only for the parts around the window_rect */
543 if (con->window != NULL) {
544 /* Clear visible windows before beginning to draw */
545 draw_util_clear_surface(&(con->frame_buffer), (color_t){.red = 0.0, .green = 0.0, .blue = 0.0});
546
547 /* top area */
549 0, 0, r->width, w->y);
550 /* bottom area */
552 0, w->y + w->height, r->width, r->height - (w->y + w->height));
553 /* left area */
555 0, 0, w->x, r->height);
556 /* right area */
558 w->x + w->width, 0, r->width - (w->x + w->width), r->height);
559 }
560
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++) {
570 rectangles[i].x,
571 rectangles[i].y,
572 rectangles[i].width,
573 rectangles[i].height);
574 }
575
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) {
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) {
589 br.x, r->height + (br.height + br.y), r->width + br.width, -(br.height + br.y));
590 }
591 }
592 }
593
594 surface_t *dest_surface = &(parent->frame_buffer);
596 DLOG("using con->frame_buffer (for con->name=%s) as dest_surface\n", con->name);
597 dest_surface = &(con->frame_buffer);
598 } else {
599 DLOG("sticking to parent->frame_buffer = %p\n", dest_surface);
600 }
601 DLOG("dest_surface %p is %d x %d (id=0x%08x)\n", dest_surface, dest_surface->width, dest_surface->height, dest_surface->id);
602
603 /* If the parent hasn't been set up yet, skip the decoration rendering
604 * for now. */
605 if (dest_surface->id == XCB_NONE)
606 goto copy_pixmaps;
607
608 /* For the first child, we clear the parent pixmap to ensure there's no
609 * garbage left on there. This is important to avoid tearing when using
610 * transparency. */
611 if (con == TAILQ_FIRST(&(con->parent->nodes_head))) {
613 }
614
615 /* if this is a borderless/1pixel window, we don’t need to render the
616 * decoration. */
617 if (p->border_style != BS_NORMAL)
618 goto copy_pixmaps;
619
620 /* 4: paint the bar */
621 DLOG("con->deco_rect = (x=%d, y=%d, w=%d, h=%d) for con->name=%s\n",
622 con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height, con->name);
623 draw_util_rectangle(dest_surface, p->color->background,
624 con->deco_rect.x, con->deco_rect.y, con->deco_rect.width, con->deco_rect.height);
625
626 /* 5: draw title border */
627 x_draw_title_border(con, p, dest_surface);
628
629 /* 6: draw the icon and title */
630 int text_offset_y = (con->deco_rect.height - config.font.height) / 2;
631
632 struct Window *win = con->window;
633
634 const int deco_width = (int)con->deco_rect.width;
635 const int title_padding = logical_px(2);
636
637 int mark_width = 0;
638 if (config.show_marks && !TAILQ_EMPTY(&(con->marks_head))) {
639 char *formatted_mark = sstrdup("");
640 bool had_visible_mark = false;
641
642 mark_t *mark;
643 TAILQ_FOREACH (mark, &(con->marks_head), marks) {
644 if (mark->name[0] == '_')
645 continue;
646 had_visible_mark = true;
647
648 char *buf;
649 sasprintf(&buf, "%s[%s]", formatted_mark, mark->name);
650 free(formatted_mark);
651 formatted_mark = buf;
652 }
653
654 if (had_visible_mark) {
655 i3String *mark = i3string_from_utf8(formatted_mark);
656 mark_width = predict_text_width(mark);
657
658 int mark_offset_x = (config.title_align == ALIGN_RIGHT)
659 ? title_padding
660 : deco_width - mark_width - title_padding;
661
662 draw_util_text(mark, dest_surface,
663 p->color->text, p->color->background,
664 con->deco_rect.x + mark_offset_x,
665 con->deco_rect.y + text_offset_y, mark_width);
666 I3STRING_FREE(mark);
667
668 mark_width += title_padding;
669 }
670
671 FREE(formatted_mark);
672 }
673
674 i3String *title = NULL;
675 if (win == NULL) {
676 if (con->title_format == NULL) {
677 char *_title;
678 char *tree = con_get_tree_representation(con);
679 sasprintf(&_title, "i3: %s", tree);
680 free(tree);
681
682 title = i3string_from_utf8(_title);
683 FREE(_title);
684 } else {
685 title = con_parse_title_format(con);
686 }
687 } else {
688 title = con->title_format == NULL ? win->name : con_parse_title_format(con);
689 }
690 if (title == NULL) {
691 goto copy_pixmaps;
692 }
693
694 /* icon_padding is applied horizontally only, the icon will always use all
695 * available vertical space. */
696 int icon_size = max(0, con->deco_rect.height - logical_px(2));
697 int icon_padding = logical_px(max(1, con->window_icon_padding));
698 int total_icon_space = icon_size + 2 * icon_padding;
699 const bool has_icon = (con->window_icon_padding > -1) && win && win->icon && (total_icon_space < deco_width);
700 if (!has_icon) {
701 icon_size = icon_padding = total_icon_space = 0;
702 }
703 /* Determine x offsets according to title alignment */
704 int icon_offset_x;
705 int title_offset_x;
706 switch (config.title_align) {
707 case ALIGN_LEFT:
708 /* (pad)[(pad)(icon)(pad)][text ](pad)[mark + its pad)
709 * ^ ^--- title_offset_x
710 * ^--- icon_offset_x */
711 icon_offset_x = icon_padding;
712 title_offset_x = title_padding + total_icon_space;
713 break;
714 case ALIGN_CENTER:
715 /* (pad)[ ][(pad)(icon)(pad)][text ](pad)[mark + its pad)
716 * ^ ^--- title_offset_x
717 * ^--- icon_offset_x
718 * Text should come right after the icon (+padding). We calculate
719 * the offset for the icon (white space in the title) by dividing
720 * by two the total available area. That's the decoration width
721 * minus the elements that come after icon_offset_x (icon, its
722 * padding, text, marks). */
723 icon_offset_x = max(icon_padding, (deco_width - icon_padding - icon_size - predict_text_width(title) - title_padding - mark_width) / 2);
724 title_offset_x = max(title_padding, icon_offset_x + icon_padding + icon_size);
725 break;
726 case ALIGN_RIGHT:
727 /* [mark + its pad](pad)[ text][(pad)(icon)(pad)](pad)
728 * ^ ^--- icon_offset_x
729 * ^--- title_offset_x */
730 title_offset_x = max(title_padding + mark_width, deco_width - title_padding - predict_text_width(title) - total_icon_space);
731 /* Make sure the icon does not escape title boundaries */
732 icon_offset_x = min(deco_width - icon_size - icon_padding - title_padding, title_offset_x + predict_text_width(title) + icon_padding);
733 break;
734 default:
735 ELOG("BUG: invalid config.title_align value %d\n", config.title_align);
736 return;
737 }
738
739 draw_util_text(title, dest_surface,
740 p->color->text, p->color->background,
741 con->deco_rect.x + title_offset_x,
742 con->deco_rect.y + text_offset_y,
743 deco_width - mark_width - 2 * title_padding - total_icon_space);
744 if (has_icon) {
746 win->icon,
747 dest_surface,
748 con->deco_rect.x + icon_offset_x,
749 con->deco_rect.y + logical_px(1),
750 icon_size,
751 icon_size);
752 }
753
754 if (win == NULL || con->title_format != NULL) {
755 I3STRING_FREE(title);
756 }
757
758 x_draw_decoration_after_title(con, p, dest_surface);
759copy_pixmaps:
760 draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
761}
762
763/*
764 * Recursively calls x_draw_decoration. This cannot be done in x_push_node
765 * because x_push_node uses focus order to recurse (see the comment above)
766 * while drawing the decoration needs to happen in the actual order.
767 *
768 */
769void x_deco_recurse(Con *con) {
770 Con *current;
771 bool leaf = TAILQ_EMPTY(&(con->nodes_head)) &&
772 TAILQ_EMPTY(&(con->floating_head));
773 con_state *state = state_for_frame(con->frame.id);
774
775 if (!leaf) {
776 TAILQ_FOREACH (current, &(con->nodes_head), nodes) {
777 x_deco_recurse(current);
778 }
779
780 TAILQ_FOREACH (current, &(con->floating_head), floating_windows) {
781 x_deco_recurse(current);
782 }
783
784 if (state->mapped) {
785 draw_util_copy_surface(&(con->frame_buffer), &(con->frame), 0, 0, 0, 0, con->rect.width, con->rect.height);
786 }
787 }
788
789 if ((con->type != CT_ROOT && con->type != CT_OUTPUT) &&
790 (!leaf || con->mapped))
792}
793
794/*
795 * Sets or removes the _NET_WM_STATE_HIDDEN property on con if necessary.
796 *
797 */
798static void set_hidden_state(Con *con) {
799 if (con->window == NULL) {
800 return;
801 }
802
803 con_state *state = state_for_frame(con->frame.id);
804 bool should_be_hidden = con_is_hidden(con);
805 if (should_be_hidden == state->is_hidden)
806 return;
807
808 if (should_be_hidden) {
809 DLOG("setting _NET_WM_STATE_HIDDEN for con = %p\n", con);
810 xcb_add_property_atom(conn, con->window->id, A__NET_WM_STATE, A__NET_WM_STATE_HIDDEN);
811 } else {
812 DLOG("removing _NET_WM_STATE_HIDDEN for con = %p\n", con);
813 xcb_remove_property_atom(conn, con->window->id, A__NET_WM_STATE, A__NET_WM_STATE_HIDDEN);
814 }
815
816 state->is_hidden = should_be_hidden;
817}
818
819/*
820 * Set the container frame shape as the union of the window shape and the
821 * shape of the frame borders.
822 */
823static void x_shape_frame(Con *con, xcb_shape_sk_t shape_kind) {
824 assert(con->window);
825
826 xcb_shape_combine(conn, XCB_SHAPE_SO_SET, shape_kind, shape_kind,
827 con->frame.id,
828 con->window_rect.x + con->border_width,
829 con->window_rect.y + con->border_width,
830 con->window->id);
831 xcb_rectangle_t rectangles[4];
832 size_t rectangles_count = x_get_border_rectangles(con, rectangles);
833 if (rectangles_count) {
834 xcb_shape_rectangles(conn, XCB_SHAPE_SO_UNION, shape_kind,
835 XCB_CLIP_ORDERING_UNSORTED, con->frame.id,
836 0, 0, rectangles_count, rectangles);
837 }
838}
839
840/*
841 * Reset the container frame shape.
842 */
843static void x_unshape_frame(Con *con, xcb_shape_sk_t shape_kind) {
844 assert(con->window);
845
846 xcb_shape_mask(conn, XCB_SHAPE_SO_SET, shape_kind, con->frame.id, 0, 0, XCB_PIXMAP_NONE);
847}
848
849/*
850 * Shape or unshape container frame based on the con state.
851 */
852static void set_shape_state(Con *con, bool need_reshape) {
853 if (!shape_supported || con->window == NULL) {
854 return;
855 }
856
857 struct con_state *state;
858 if ((state = state_for_frame(con->frame.id)) == NULL) {
859 ELOG("window state for con %p not found\n", con);
860 return;
861 }
862
863 if (need_reshape && con_is_floating(con)) {
864 /* We need to reshape the window frame only if it already has shape. */
865 if (con->window->shaped) {
866 x_shape_frame(con, XCB_SHAPE_SK_BOUNDING);
867 }
868 if (con->window->input_shaped) {
869 x_shape_frame(con, XCB_SHAPE_SK_INPUT);
870 }
871 }
872
873 if (state->was_floating && !con_is_floating(con)) {
874 /* Remove the shape when container is no longer floating. */
875 if (con->window->shaped) {
876 x_unshape_frame(con, XCB_SHAPE_SK_BOUNDING);
877 }
878 if (con->window->input_shaped) {
879 x_unshape_frame(con, XCB_SHAPE_SK_INPUT);
880 }
881 }
882}
883
884/*
885 * This function pushes the properties of each node of the layout tree to
886 * X11 if they have changed (like the map state, position of the window, …).
887 * It recursively traverses all children of the given node.
888 *
889 */
891 Con *current;
893 Rect rect = con->rect;
894
895 state = state_for_frame(con->frame.id);
896
897 if (state->name != NULL) {
898 DLOG("pushing name %s for con %p\n", state->name, con);
899
900 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->frame.id,
901 XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, strlen(state->name), state->name);
902 FREE(state->name);
903 }
904
905 if (con->window == NULL && (con->layout == L_STACKED || con->layout == L_TABBED)) {
906 /* Calculate the height of all window decorations which will be drawn on to
907 * this frame. */
908 uint32_t max_y = 0, max_height = 0;
909 TAILQ_FOREACH (current, &(con->nodes_head), nodes) {
910 Rect *dr = &(current->deco_rect);
911 if (dr->y >= max_y && dr->height >= max_height) {
912 max_y = dr->y;
913 max_height = dr->height;
914 }
915 }
916 rect.height = max_y + max_height;
917 if (rect.height == 0)
918 con->mapped = false;
919 } else if (con->window == NULL) {
920 /* not a stacked or tabbed split container */
921 con->mapped = false;
922 }
923
924 bool need_reshape = false;
925
926 /* reparent the child window (when the window was moved due to a sticky
927 * container) */
928 if (state->need_reparent && con->window != NULL) {
929 DLOG("Reparenting child window\n");
930
931 /* Temporarily set the event masks to XCB_NONE so that we won’t get
932 * UnmapNotify events (otherwise the handler would close the container).
933 * These events are generated automatically when reparenting. */
934 uint32_t values[] = {XCB_NONE};
935 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
936 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
937
938 xcb_reparent_window(conn, con->window->id, con->frame.id, 0, 0);
939
940 values[0] = FRAME_EVENT_MASK;
941 xcb_change_window_attributes(conn, state->old_frame, XCB_CW_EVENT_MASK, values);
942 values[0] = CHILD_EVENT_MASK;
943 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
944
945 state->old_frame = XCB_NONE;
946 state->need_reparent = false;
947
948 con->ignore_unmap++;
949 DLOG("ignore_unmap for reparenting of con %p (win 0x%08x) is now %d\n",
951
952 need_reshape = true;
953 }
954
955 /* We need to update shape when window frame dimensions is updated. */
956 need_reshape |= state->rect.width != rect.width ||
957 state->rect.height != rect.height ||
958 state->window_rect.width != con->window_rect.width ||
959 state->window_rect.height != con->window_rect.height;
960
961 /* We need to set shape when container becomes floating. */
962 need_reshape |= con_is_floating(con) && !state->was_floating;
963
964 /* The pixmap of a borderless leaf container will not be used except
965 * for the titlebar in a stack or tabs (issue #1013). */
966 bool is_pixmap_needed = ((con_is_leaf(con) && con_border_style(con) != BS_NONE) ||
967 con->layout == L_STACKED ||
968 con->layout == L_TABBED);
969 DLOG("Con %p (layout %d), is_pixmap_needed = %s, rect.height = %d\n",
970 con, con->layout, is_pixmap_needed ? "yes" : "no", con->rect.height);
971
972 /* The root con and output cons will never require a pixmap. In particular for the
973 * __i3 output, this will likely not work anyway because it might be ridiculously
974 * large, causing an XCB_ALLOC error. */
975 if (con->type == CT_ROOT || con->type == CT_OUTPUT)
976 is_pixmap_needed = false;
977
978 bool fake_notify = false;
979 /* Set new position if rect changed (and if height > 0) or if the pixmap
980 * needs to be recreated */
981 if ((is_pixmap_needed && con->frame_buffer.id == XCB_NONE) || (!rect_equals(state->rect, rect) &&
982 rect.height > 0)) {
983 /* We first create the new pixmap, then render to it, set it as the
984 * background and only afterwards change the window size. This reduces
985 * flickering. */
986
987 bool has_rect_changed = (state->rect.x != rect.x || state->rect.y != rect.y ||
988 state->rect.width != rect.width || state->rect.height != rect.height);
989
990 /* Check if the container has an unneeded pixmap left over from
991 * previously having a border or titlebar. */
992 if (!is_pixmap_needed && con->frame_buffer.id != XCB_NONE) {
994 xcb_free_pixmap(conn, con->frame_buffer.id);
995 con->frame_buffer.id = XCB_NONE;
996 }
997
998 if (is_pixmap_needed && (has_rect_changed || con->frame_buffer.id == XCB_NONE)) {
999 if (con->frame_buffer.id == XCB_NONE) {
1000 con->frame_buffer.id = xcb_generate_id(conn);
1001 } else {
1003 xcb_free_pixmap(conn, con->frame_buffer.id);
1004 }
1005
1006 uint16_t win_depth = root_depth;
1007 if (con->window)
1008 win_depth = con->window->depth;
1009
1010 /* Ensure we have valid dimensions for our surface. */
1011 /* TODO: This is probably a bug in the condition above as we should
1012 * never enter this path for height == 0. Also, we should probably
1013 * handle width == 0 the same way. */
1014 int width = MAX((int32_t)rect.width, 1);
1015 int height = MAX((int32_t)rect.height, 1);
1016
1017 DLOG("creating %d x %d pixmap for con %p (con->frame_buffer.id = (pixmap_t)0x%08x) (con->frame.id (drawable_t)0x%08x)\n", width, height, con, con->frame_buffer.id, con->frame.id);
1018 xcb_create_pixmap(conn, win_depth, con->frame_buffer.id, con->frame.id, width, height);
1020 get_visualtype_by_id(get_visualid_by_depth(win_depth)), width, height);
1021 draw_util_clear_surface(&(con->frame_buffer), (color_t){.red = 0.0, .green = 0.0, .blue = 0.0});
1022
1023 /* For the graphics context, we disable GraphicsExposure events.
1024 * Those will be sent when a CopyArea request cannot be fulfilled
1025 * properly due to parts of the source being unmapped or otherwise
1026 * unavailable. Since we always copy from pixmaps to windows, this
1027 * is not a concern for us. */
1028 xcb_change_gc(conn, con->frame_buffer.gc, XCB_GC_GRAPHICS_EXPOSURES, (uint32_t[]){0});
1029
1030 draw_util_surface_set_size(&(con->frame), width, height);
1031 con->pixmap_recreated = true;
1032
1033 /* Don’t render the decoration for windows inside a stack which are
1034 * not visible right now
1035 * TODO: Should this work the same way for L_TABBED? */
1036 if (!con->parent ||
1037 con->parent->layout != L_STACKED ||
1038 TAILQ_FIRST(&(con->parent->focus_head)) == con)
1039 /* Render the decoration now to make the correct decoration visible
1040 * from the very first moment. Later calls will be cached, so this
1041 * doesn’t hurt performance. */
1043 }
1044
1045 DLOG("setting rect (%d, %d, %d, %d)\n", rect.x, rect.y, rect.width, rect.height);
1046 /* flush to ensure that the following commands are sent in a single
1047 * buffer and will be processed directly afterwards (the contents of a
1048 * window get lost when resizing it, therefore we want to provide it as
1049 * fast as possible) */
1050 xcb_flush(conn);
1052 if (con->frame_buffer.id != XCB_NONE) {
1054 }
1055 xcb_flush(conn);
1056
1057 memcpy(&(state->rect), &rect, sizeof(Rect));
1058 fake_notify = true;
1059 }
1060
1061 /* dito, but for child windows */
1062 if (con->window != NULL &&
1063 !rect_equals(state->window_rect, con->window_rect)) {
1064 DLOG("setting window rect (%d, %d, %d, %d)\n",
1067 memcpy(&(state->window_rect), &(con->window_rect), sizeof(Rect));
1068 fake_notify = true;
1069 }
1070
1071 set_shape_state(con, need_reshape);
1072
1073 /* Map if map state changed, also ensure that the child window
1074 * is changed if we are mapped and there is a new, unmapped child window.
1075 * Unmaps are handled in x_push_node_unmaps(). */
1076 if ((state->mapped != con->mapped || (con->window != NULL && !state->child_mapped)) &&
1077 con->mapped) {
1078 xcb_void_cookie_t cookie;
1079
1080 if (con->window != NULL) {
1081 /* Set WM_STATE_NORMAL because GTK applications don’t want to
1082 * drag & drop if we don’t. Also, xprop(1) needs it. */
1083 long data[] = {XCB_ICCCM_WM_STATE_NORMAL, XCB_NONE};
1084 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
1085 A_WM_STATE, A_WM_STATE, 32, 2, data);
1086 }
1087
1088 uint32_t values[1];
1089 if (!state->child_mapped && con->window != NULL) {
1090 cookie = xcb_map_window(conn, con->window->id);
1091
1092 /* We are interested in EnterNotifys as soon as the window is
1093 * mapped */
1094 values[0] = CHILD_EVENT_MASK;
1095 xcb_change_window_attributes(conn, con->window->id, XCB_CW_EVENT_MASK, values);
1096 DLOG("mapping child window (serial %d)\n", cookie.sequence);
1097 state->child_mapped = true;
1098 }
1099
1100 cookie = xcb_map_window(conn, con->frame.id);
1101
1102 values[0] = FRAME_EVENT_MASK;
1103 xcb_change_window_attributes(conn, con->frame.id, XCB_CW_EVENT_MASK, values);
1104
1105 /* copy the pixmap contents to the frame window immediately after mapping */
1106 if (con->frame_buffer.id != XCB_NONE) {
1108 }
1109 xcb_flush(conn);
1110
1111 DLOG("mapping container %08x (serial %d)\n", con->frame.id, cookie.sequence);
1112 state->mapped = con->mapped;
1113 }
1114
1115 state->unmap_now = (state->mapped != con->mapped) && !con->mapped;
1116 state->was_floating = con_is_floating(con);
1117
1118 if (fake_notify) {
1119 DLOG("Sending fake configure notify\n");
1121 }
1122
1124
1125 /* Handle all children and floating windows of this node. We recurse
1126 * in focus order to display the focused client in a stack first when
1127 * switching workspaces (reduces flickering). */
1128 TAILQ_FOREACH (current, &(con->focus_head), focused) {
1129 x_push_node(current);
1130 }
1131}
1132
1133/*
1134 * Same idea as in x_push_node(), but this function only unmaps windows. It is
1135 * necessary to split this up to handle new fullscreen clients properly: The
1136 * new window needs to be mapped and focus needs to be set *before* the
1137 * underlying windows are unmapped. Otherwise, focus will revert to the
1138 * PointerRoot and will then be set to the new window, generating unnecessary
1139 * FocusIn/FocusOut events.
1140 *
1141 */
1143 Con *current;
1145
1146 state = state_for_frame(con->frame.id);
1147
1148 /* map/unmap if map state changed, also ensure that the child window
1149 * is changed if we are mapped *and* in initial state (meaning the
1150 * container was empty before, but now got a child) */
1151 if (state->unmap_now) {
1152 xcb_void_cookie_t cookie;
1153 if (con->window != NULL) {
1154 /* Set WM_STATE_WITHDRAWN, it seems like Java apps need it */
1155 long data[] = {XCB_ICCCM_WM_STATE_WITHDRAWN, XCB_NONE};
1156 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, con->window->id,
1157 A_WM_STATE, A_WM_STATE, 32, 2, data);
1158 }
1159
1160 cookie = xcb_unmap_window(conn, con->frame.id);
1161 DLOG("unmapping container %p / %s (serial %d)\n", con, con->name, cookie.sequence);
1162 /* we need to increase ignore_unmap for this container (if it
1163 * contains a window) and for every window "under" this one which
1164 * contains a window */
1165 if (con->window != NULL) {
1166 con->ignore_unmap++;
1167 DLOG("ignore_unmap for con %p (frame 0x%08x) now %d\n", con, con->frame.id, con->ignore_unmap);
1168 }
1169 state->mapped = con->mapped;
1170 }
1171
1172 /* handle all children and floating windows of this node */
1173 TAILQ_FOREACH (current, &(con->nodes_head), nodes) {
1174 x_push_node_unmaps(current);
1175 }
1176
1177 TAILQ_FOREACH (current, &(con->floating_head), floating_windows) {
1178 x_push_node_unmaps(current);
1179 }
1180}
1181
1182/*
1183 * Returns true if the given container is currently attached to its parent.
1184 *
1185 * TODO: Remove once #1185 has been fixed
1186 */
1187static bool is_con_attached(Con *con) {
1188 if (con->parent == NULL)
1189 return false;
1190
1191 Con *current;
1192 TAILQ_FOREACH (current, &(con->parent->nodes_head), nodes) {
1193 if (current == con)
1194 return true;
1195 }
1196
1197 return false;
1198}
1199
1200/*
1201 * Pushes all changes (state of each node, see x_push_node() and the window
1202 * stack) to X11.
1203 *
1204 * NOTE: We need to push the stack first so that the windows have the correct
1205 * stacking order. This is relevant for workspace switching where we map the
1206 * windows because mapping may generate EnterNotify events. When they are
1207 * generated in the wrong order, this will cause focus problems when switching
1208 * workspaces.
1209 *
1210 */
1213 xcb_query_pointer_cookie_t pointercookie;
1214
1215 /* If we need to warp later, we request the pointer position as soon as possible */
1216 if (warp_to) {
1217 pointercookie = xcb_query_pointer(conn, root);
1218 }
1219
1220 DLOG("-- PUSHING WINDOW STACK --\n");
1221 /* We need to keep SubstructureRedirect around, otherwise clients can send
1222 * ConfigureWindow requests and get them applied directly instead of having
1223 * them become ConfigureRequests that i3 handles. */
1224 uint32_t values[1] = {XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT};
1225 CIRCLEQ_FOREACH_REVERSE (state, &state_head, state) {
1226 if (state->mapped)
1227 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1228 }
1229 bool order_changed = false;
1230 bool stacking_changed = false;
1231
1232 /* count first, necessary to (re)allocate memory for the bottom-to-top
1233 * stack afterwards */
1234 int cnt = 0;
1235 CIRCLEQ_FOREACH_REVERSE (state, &state_head, state) {
1236 if (con_has_managed_window(state->con)) {
1237 cnt++;
1238 }
1239 }
1240
1241 /* The bottom-to-top window stack of all windows which are managed by i3.
1242 * Used for x_get_window_stack(). */
1243 static xcb_window_t *client_list_windows = NULL;
1244 static int client_list_count = 0;
1245
1246 if (cnt != client_list_count) {
1247 client_list_windows = srealloc(client_list_windows, sizeof(xcb_window_t) * cnt);
1248 client_list_count = cnt;
1249 }
1250
1251 xcb_window_t *walk = client_list_windows;
1252
1253 /* X11 correctly represents the stack if we push it from bottom to top */
1254 CIRCLEQ_FOREACH_REVERSE (state, &state_head, state) {
1255 if (con_has_managed_window(state->con))
1256 memcpy(walk++, &(state->con->window->id), sizeof(xcb_window_t));
1257
1259 con_state *old_prev = CIRCLEQ_PREV(state, old_state);
1260 if (prev != old_prev)
1261 order_changed = true;
1262 if ((state->initial || order_changed) && prev != CIRCLEQ_END(&state_head)) {
1263 stacking_changed = true;
1264 uint32_t mask = 0;
1265 mask |= XCB_CONFIG_WINDOW_SIBLING;
1266 mask |= XCB_CONFIG_WINDOW_STACK_MODE;
1267 uint32_t values[] = {state->id, XCB_STACK_MODE_ABOVE};
1268
1269 xcb_configure_window(conn, prev->id, mask, values);
1270 }
1271 state->initial = false;
1272 }
1273
1274 /* If we re-stacked something (or a new window appeared), we need to update
1275 * the _NET_CLIENT_LIST and _NET_CLIENT_LIST_STACKING hints */
1276 if (stacking_changed) {
1277 DLOG("Client list changed (%i clients)\n", cnt);
1278 ewmh_update_client_list_stacking(client_list_windows, client_list_count);
1279
1280 walk = client_list_windows;
1281
1282 /* reorder by initial mapping */
1283 TAILQ_FOREACH (state, &initial_mapping_head, initial_mapping_order) {
1284 if (con_has_managed_window(state->con))
1285 *walk++ = state->con->window->id;
1286 }
1287
1288 ewmh_update_client_list(client_list_windows, client_list_count);
1289 }
1290
1291 DLOG("PUSHING CHANGES\n");
1293
1294 if (warp_to) {
1295 xcb_query_pointer_reply_t *pointerreply = xcb_query_pointer_reply(conn, pointercookie, NULL);
1296 if (!pointerreply) {
1297 ELOG("Could not query pointer position, not warping pointer\n");
1298 } else {
1299 int mid_x = warp_to->x + (warp_to->width / 2);
1300 int mid_y = warp_to->y + (warp_to->height / 2);
1301
1302 Output *current = get_output_containing(pointerreply->root_x, pointerreply->root_y);
1303 Output *target = get_output_containing(mid_x, mid_y);
1304 if (current != target) {
1305 /* Ignore MotionNotify events generated by warping */
1306 xcb_change_window_attributes(conn, root, XCB_CW_EVENT_MASK, (uint32_t[]){XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT});
1307 xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0, mid_x, mid_y);
1308 xcb_change_window_attributes(conn, root, XCB_CW_EVENT_MASK, (uint32_t[]){ROOT_EVENT_MASK});
1309 }
1310
1311 free(pointerreply);
1312 }
1313 warp_to = NULL;
1314 }
1315
1316 values[0] = FRAME_EVENT_MASK;
1317 CIRCLEQ_FOREACH_REVERSE (state, &state_head, state) {
1318 if (state->mapped)
1319 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1320 }
1321
1323
1324 xcb_window_t to_focus = focused->frame.id;
1325 if (focused->window != NULL)
1327
1328 if (focused_id != to_focus) {
1329 if (!focused->mapped) {
1330 DLOG("Not updating focus (to %p / %s), focused window is not mapped.\n", focused, focused->name);
1331 /* Invalidate focused_id to correctly focus new windows with the same ID */
1332 focused_id = XCB_NONE;
1333 } else {
1334 if (focused->window != NULL &&
1337 DLOG("Updating focus by sending WM_TAKE_FOCUS to window 0x%08x (focused: %p / %s)\n",
1340
1342
1345 } else {
1346 DLOG("Updating focus (focused: %p / %s) to X11 window 0x%08x\n", focused, focused->name, to_focus);
1347 /* We remove XCB_EVENT_MASK_FOCUS_CHANGE from the event mask to get
1348 * no focus change events for our own focus changes. We only want
1349 * these generated by the clients. */
1350 if (focused->window != NULL) {
1351 values[0] = CHILD_EVENT_MASK & ~(XCB_EVENT_MASK_FOCUS_CHANGE);
1352 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
1353 }
1354 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, to_focus, last_timestamp);
1355 if (focused->window != NULL) {
1356 values[0] = CHILD_EVENT_MASK;
1357 xcb_change_window_attributes(conn, focused->window->id, XCB_CW_EVENT_MASK, values);
1358 }
1359
1361
1362 if (to_focus != XCB_NONE && to_focus != last_focused && focused->window != NULL && is_con_attached(focused))
1364 }
1365
1367 }
1368 }
1369
1370 if (focused_id == XCB_NONE) {
1371 /* If we still have no window to focus, we focus the EWMH window instead. We use this rather than the
1372 * root window in order to avoid an X11 fallback mechanism causing a ghosting effect (see #1378). */
1373 DLOG("Still no window focused, better set focus to the EWMH support window (%d)\n", ewmh_window);
1374 xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, ewmh_window, last_timestamp);
1375 change_ewmh_focus(XCB_WINDOW_NONE, last_focused);
1376
1378 last_focused = XCB_NONE;
1379 }
1380
1381 xcb_flush(conn);
1382 DLOG("ENDING CHANGES\n");
1383
1384 /* Disable EnterWindow events for windows which will be unmapped in
1385 * x_push_node_unmaps() now. Unmapping windows happens when switching
1386 * workspaces. We want to avoid getting EnterNotifies during that phase
1387 * because they would screw up our focus. One of these cases is having a
1388 * stack with two windows. If the first window is focused and gets
1389 * unmapped, the second one appears under the cursor and therefore gets an
1390 * EnterNotify event. */
1391 values[0] = FRAME_EVENT_MASK & ~XCB_EVENT_MASK_ENTER_WINDOW;
1392 CIRCLEQ_FOREACH_REVERSE (state, &state_head, state) {
1393 if (!state->unmap_now)
1394 continue;
1395 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1396 }
1397
1398 /* Push all pending unmaps */
1400
1401 /* save the current stack as old stack */
1402 CIRCLEQ_FOREACH (state, &state_head, state) {
1403 CIRCLEQ_REMOVE(&old_state_head, state, old_state);
1404 CIRCLEQ_INSERT_TAIL(&old_state_head, state, old_state);
1405 }
1406
1407 xcb_flush(conn);
1408}
1409
1410/*
1411 * Raises the specified container in the internal stack of X windows. The
1412 * next call to x_push_changes() will make the change visible in X11.
1413 *
1414 */
1417 state = state_for_frame(con->frame.id);
1418
1419 CIRCLEQ_REMOVE(&state_head, state, state);
1420 CIRCLEQ_INSERT_HEAD(&state_head, state, state);
1421}
1422
1423/*
1424 * Sets the WM_NAME property (so, no UTF8, but used only for debugging anyways)
1425 * of the given name. Used for properly tagging the windows for easily spotting
1426 * i3 windows in xwininfo -root -all.
1427 *
1428 */
1429void x_set_name(Con *con, const char *name) {
1430 struct con_state *state;
1431
1432 if ((state = state_for_frame(con->frame.id)) == NULL) {
1433 ELOG("window state not found\n");
1434 return;
1435 }
1436
1437 FREE(state->name);
1438 state->name = sstrdup(name);
1439}
1440
1441/*
1442 * Set up the I3_SHMLOG_PATH atom.
1443 *
1444 */
1446 if (*shmlogname == '\0') {
1447 xcb_delete_property(conn, root, A_I3_SHMLOG_PATH);
1448 } else {
1449 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root,
1450 A_I3_SHMLOG_PATH, A_UTF8_STRING, 8,
1451 strlen(shmlogname), shmlogname);
1452 }
1453}
1454
1455/*
1456 * Sets up i3 specific atoms (I3_SOCKET_PATH and I3_CONFIG_PATH)
1457 *
1458 */
1459void x_set_i3_atoms(void) {
1460 pid_t pid = getpid();
1461 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_SOCKET_PATH, A_UTF8_STRING, 8,
1462 (current_socketpath == NULL ? 0 : strlen(current_socketpath)),
1464 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_PID, XCB_ATOM_CARDINAL, 32, 1, &pid);
1465 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_CONFIG_PATH, A_UTF8_STRING, 8,
1467 xcb_change_property(conn, XCB_PROP_MODE_REPLACE, root, A_I3_LOG_STREAM_SOCKET_PATH, A_UTF8_STRING, 8,
1470}
1471
1472/*
1473 * Set warp_to coordinates. This will trigger on the next call to
1474 * x_push_changes().
1475 *
1476 */
1481
1482/*
1483 * Applies the given mask to the event mask of every i3 window decoration X11
1484 * window. This is useful to disable EnterNotify while resizing so that focus
1485 * is untouched.
1486 *
1487 */
1488void x_mask_event_mask(uint32_t mask) {
1489 uint32_t values[] = {FRAME_EVENT_MASK & mask};
1490
1492 CIRCLEQ_FOREACH_REVERSE (state, &state_head, state) {
1493 if (state->mapped)
1494 xcb_change_window_attributes(conn, state->id, XCB_CW_EVENT_MASK, values);
1495 }
1496}
1497
1498/*
1499 * Enables or disables nonrectangular shape of the container frame.
1500 */
1501void x_set_shape(Con *con, xcb_shape_sk_t kind, bool enable) {
1502 struct con_state *state;
1503 if ((state = state_for_frame(con->frame.id)) == NULL) {
1504 ELOG("window state for con %p not found\n", con);
1505 return;
1506 }
1507
1508 switch (kind) {
1509 case XCB_SHAPE_SK_BOUNDING:
1510 con->window->shaped = enable;
1511 break;
1512 case XCB_SHAPE_SK_INPUT:
1513 con->window->input_shaped = enable;
1514 break;
1515 default:
1516 ELOG("Received unknown shape event kind for con %p. This is a bug.\n",
1517 con);
1518 return;
1519 }
1520
1521 if (con_is_floating(con)) {
1522 if (enable) {
1523 x_shape_frame(con, kind);
1524 } else {
1525 x_unshape_frame(con, kind);
1526 }
1527
1528 xcb_flush(conn);
1529 }
1530}
xcb_timestamp_t last_timestamp
The last timestamp we got from X11 (timestamps are included in some events and are used for some thin...
Definition main.c:64
xcb_connection_t * conn
XCB connection and root screen.
Definition main.c:54
xcb_colormap_t colormap
Definition main.c:77
uint8_t root_depth
Definition main.c:75
xcb_window_t root
Definition main.c:67
xcb_screen_t * root_screen
Definition main.c:66
bool shape_supported
Definition main.c:105
char * current_log_stream_socket_path
Definition log.c:380
char * shmlogname
Definition log.c:44
char * current_socketpath
Definition ipc.c:26
void ipc_send_window_event(const char *property, Con *con)
For the window events we send, along the usual "change" field, also the window container,...
Definition ipc.c:1634
xcb_window_t create_window(xcb_connection_t *conn, Rect dims, uint16_t depth, xcb_visualid_t visual, uint16_t window_class, enum xcursor_cursor_t cursor, bool map, uint32_t mask, uint32_t *values)
Convenience wrapper around xcb_create_window which takes care of depth, generating an ID and checking...
Definition xcb.c:19
xcb_visualid_t get_visualid_by_depth(uint16_t depth)
Get visualid with specified depth.
Definition xcb.c:191
void xcb_set_window_rect(xcb_connection_t *conn, xcb_window_t window, Rect r)
Configures the given window to have the size/position specified by given rect.
Definition xcb.c:105
void send_take_focus(xcb_window_t window, xcb_timestamp_t timestamp)
Sends the WM_TAKE_FOCUS ClientMessage to the given window.
Definition xcb.c:82
void xcb_add_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom)
Add an atom to a list of atoms the given property defines.
Definition xcb.c:214
void xcb_remove_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom)
Remove an atom from a list of atoms the given property defines without removing any other potentially...
Definition xcb.c:224
void fake_absolute_configure_notify(Con *con)
Generates a configure_notify_event with absolute coordinates (relative to the X root window,...
Definition xcb.c:63
xcb_visualtype_t * get_visualtype_by_id(xcb_visualid_t visual_id)
Get visual type specified by visualid.
Definition xcb.c:170
static Rect * warp_to
Definition x.c:28
static void change_ewmh_focus(xcb_window_t new_focus, xcb_window_t old_focus)
Definition x.c:106
static void x_shape_frame(Con *con, xcb_shape_sk_t shape_kind)
Definition x.c:823
void x_con_init(Con *con)
Initializes the X11 part for the given container.
Definition x.c:127
static void x_draw_title_border(Con *con, struct deco_render_params *p, surface_t *dest_surface)
Definition x.c:358
static size_t x_get_border_rectangles(Con *con, xcb_rectangle_t rectangles[4])
Definition x.c:407
static void x_push_node_unmaps(Con *con)
Definition x.c:1142
void x_move_win(Con *src, Con *dest)
Moves a child window from Container src to Container dest.
Definition x.c:232
void x_deco_recurse(Con *con)
Recursively calls x_draw_decoration.
Definition x.c:769
xcb_window_t focused_id
Stores the X11 window ID of the currently focused window.
Definition x.c:20
static void set_hidden_state(Con *con)
Definition x.c:798
void update_shmlog_atom(void)
Set up the SHMLOG_PATH atom.
Definition x.c:1445
void x_reparent_child(Con *con, Con *old)
Reparents the child window of the given container (necessary for sticky containers).
Definition x.c:217
static xcb_window_t last_focused
Definition x.c:25
void x_con_reframe(Con *con)
Definition x.c:294
void x_set_warp_to(Rect *rect)
Set warp_to coordinates.
Definition x.c:1477
void x_reinit(Con *con)
Re-initializes the associated X window state for this container.
Definition x.c:197
void x_window_kill(xcb_window_t window, kill_window_t kill_window)
Kills the given X11 window using WM_DELETE_WINDOW (if supported).
Definition x.c:326
void x_raise_con(Con *con)
Raises the specified container in the internal stack of X windows.
Definition x.c:1415
static void set_shape_state(Con *con, bool need_reshape)
Definition x.c:852
static void _x_con_kill(Con *con)
Definition x.c:254
void x_set_name(Con *con, const char *name)
Sets the WM_NAME property (so, no UTF8, but used only for debugging anyways) of the given name.
Definition x.c:1429
#define MAX(x, y)
Definition x.c:16
void x_draw_decoration(Con *con)
Draws the decoration of the given container onto its parent.
Definition x.c:457
void x_push_node(Con *con)
This function pushes the properties of each node of the layout tree to X11 if they have changed (like...
Definition x.c:890
void x_set_i3_atoms(void)
Sets up i3 specific atoms (I3_SOCKET_PATH and I3_CONFIG_PATH)
Definition x.c:1459
static void x_unshape_frame(Con *con, xcb_shape_sk_t shape_kind)
Definition x.c:843
void x_mask_event_mask(uint32_t mask)
Applies the given mask to the event mask of every i3 window decoration X11 window.
Definition x.c:1488
void x_push_changes(Con *con)
Pushes all changes (state of each node, see x_push_node() and the window stack) to X11.
Definition x.c:1211
static void x_draw_decoration_after_title(Con *con, struct deco_render_params *p, surface_t *dest_surface)
Definition x.c:378
static bool is_con_attached(Con *con)
Definition x.c:1187
void x_con_kill(Con *con)
Kills the window decoration associated with the given container.
Definition x.c:285
bool window_supports_protocol(xcb_window_t window, xcb_atom_t atom)
Returns true if the client supports the given protocol atom (like WM_DELETE_WINDOW)
Definition x.c:303
void x_set_shape(Con *con, xcb_shape_sk_t kind, bool enable)
Enables or disables nonrectangular shape of the container frame.
Definition x.c:1501
bool rect_equals(Rect a, Rect b)
Definition util.c:59
int min(int a, int b)
Definition util.c:24
int max(int a, int b)
Definition util.c:28
struct Con * focused
Definition tree.c:13
Output * get_output_containing(unsigned int x, unsigned int y)
Returns the active (!) output which contains the coordinates x, y or NULL if there is no output which...
Definition randr.c:121
struct pending_marks * marks
static Con * to_focus
Definition load_layout.c:22
void ewmh_update_active_window(xcb_window_t window)
Updates _NET_ACTIVE_WINDOW with the currently focused window.
Definition ewmh.c:207
void ewmh_update_client_list(xcb_window_t *list, int num_windows)
Updates the _NET_CLIENT_LIST hint.
Definition ewmh.c:247
void ewmh_update_focused(xcb_window_t window, bool is_focused)
Set or remove _NEW_WM_STATE_FOCUSED on the window.
Definition ewmh.c:293
xcb_window_t ewmh_window
The EWMH support window that is used to indicate that an EWMH-compliant window manager is present.
Definition ewmh.c:14
void ewmh_update_client_list_stacking(xcb_window_t *stack, int num_windows)
Updates the _NET_CLIENT_LIST_STACKING hint.
Definition ewmh.c:263
Config config
Definition config.c:19
char * current_configpath
Definition config.c:18
char * con_get_tree_representation(Con *con)
Create a string representing the subtree under con.
Definition con.c:2313
bool con_is_floating(Con *con)
Returns true if the node is floating.
Definition con.c:596
bool con_has_managed_window(Con *con)
Returns true when this con is a leaf node with a managed X11 window (e.g., excluding dock containers)
Definition con.c:369
bool con_is_hidden(Con *con)
This will only return true for containers which have some parent with a tabbed / stacked parent of wh...
Definition con.c:404
Rect con_border_style_rect(Con *con)
Returns a "relative" Rect which contains the amount of pixels that need to be added to the original R...
Definition con.c:1773
int con_border_style(Con *con)
Use this function to get a container’s border style.
Definition con.c:1817
i3String * con_parse_title_format(Con *con)
Returns the window title considering the current title format.
Definition con.c:2376
bool con_inside_focused(Con *con)
Checks if the given container is inside a focused container.
Definition con.c:641
bool con_is_leaf(Con *con)
Returns true when this node is a leaf node (has no children)
Definition con.c:361
adjacent_t con_adjacent_borders(Con *con)
Returns adjacent borders of the window.
Definition con.c:1788
bool con_draw_decoration_into_frame(Con *con)
Returns whether the window decoration (title bar) should be drawn into the X11 frame window of this c...
Definition con.c:1704
Con * con_descend_focused(Con *con)
Returns the focused con inside this client, descending the tree as far as possible.
Definition con.c:1590
static cmdp_state state
#define y(x,...)
Definition commands.c:18
@ XCURSOR_CURSOR_POINTER
Definition xcursor.h:17
#define CHILD_EVENT_MASK
The XCB_CW_EVENT_MASK for the child (= real window)
Definition xcb.h:28
#define ROOT_EVENT_MASK
Definition xcb.h:42
#define FRAME_EVENT_MASK
The XCB_CW_EVENT_MASK for its frame.
Definition xcb.h:33
#define FREE(pointer)
Definition util.h:47
#define TAILQ_FOREACH(var, head, field)
Definition queue.h:347
#define CIRCLEQ_FOREACH_REVERSE(var, head, field)
Definition queue.h:476
#define CIRCLEQ_INSERT_HEAD(head, elm, field)
Definition queue.h:512
#define TAILQ_HEAD(name, type)
Definition queue.h:318
#define TAILQ_INSERT_TAIL(head, elm, field)
Definition queue.h:376
#define TAILQ_PREV(elm, headname, field)
Definition queue.h:342
#define CIRCLEQ_HEAD_INITIALIZER(head)
Definition queue.h:448
#define TAILQ_FIRST(head)
Definition queue.h:336
#define CIRCLEQ_INSERT_TAIL(head, elm, field)
Definition queue.h:523
#define TAILQ_REMOVE(head, elm, field)
Definition queue.h:402
#define CIRCLEQ_ENTRY(type)
Definition queue.h:454
#define TAILQ_NEXT(elm, field)
Definition queue.h:338
#define TAILQ_HEAD_INITIALIZER(head)
Definition queue.h:324
#define TAILQ_EMPTY(head)
Definition queue.h:344
#define CIRCLEQ_HEAD(name, type)
Definition queue.h:442
#define CIRCLEQ_END(head)
Definition queue.h:465
#define CIRCLEQ_PREV(elm, field)
Definition queue.h:467
#define CIRCLEQ_REMOVE(head, elm, field)
Definition queue.h:534
#define CIRCLEQ_FOREACH(var, head, field)
Definition queue.h:471
#define TAILQ_ENTRY(type)
Definition queue.h:327
void draw_util_surface_init(xcb_connection_t *conn, surface_t *surface, xcb_drawable_t drawable, xcb_visualtype_t *visual, int width, int height)
Initialize the surface to represent the given drawable.
struct _i3String i3String
Opaque data structure for storing strings.
Definition libi3.h:49
void draw_util_copy_surface(surface_t *src, surface_t *dest, double src_x, double src_y, double dest_x, double dest_y, double width, double height)
Copies a surface onto another surface.
void draw_util_text(i3String *text, surface_t *surface, color_t fg_color, color_t bg_color, int x, int y, int max_width)
Draw the given text using libi3.
int logical_px(const int logical)
Convert a logical amount of pixels (e.g.
#define DLOG(fmt,...)
Definition libi3.h:105
void draw_util_surface_free(xcb_connection_t *conn, surface_t *surface)
Destroys the surface.
#define LOG(fmt,...)
Definition libi3.h:95
char * sstrdup(const char *str)
Safe-wrapper around strdup which exits if malloc returns NULL (meaning that there is no more memory a...
#define ELOG(fmt,...)
Definition libi3.h:100
void * scalloc(size_t num, size_t size)
Safe-wrapper around calloc which exits if malloc returns NULL (meaning that there is no more memory a...
int sasprintf(char **strp, const char *fmt,...)
Safe-wrapper around asprintf which exits if it returns -1 (meaning that there is no more memory avail...
void * srealloc(void *ptr, size_t size)
Safe-wrapper around realloc which exits if realloc returns NULL (meaning that there is no more memory...
void draw_util_image(cairo_surface_t *image, surface_t *surface, int x, int y, int width, int height)
Draw the given image using libi3.
#define I3STRING_FREE(str)
Securely i3string_free by setting the pointer to NULL to prevent accidentally using freed memory.
Definition libi3.h:243
void draw_util_surface_set_size(surface_t *surface, int width, int height)
Resize the surface to the given size.
void draw_util_rectangle(surface_t *surface, color_t color, double x, double y, double w, double h)
Draws a filled rectangle.
i3String * i3string_from_utf8(const char *from_utf8)
Build an i3String from an UTF-8 encoded string.
int predict_text_width(i3String *text)
Predict the text width in pixels for the given text.
void draw_util_clear_surface(surface_t *surface, color_t color)
Clears a surface with the given color.
bool font_is_pango(void)
Returns true if and only if the current font is a pango font.
@ POINTER_WARPING_NONE
Definition data.h:147
@ L_STACKED
Definition data.h:107
@ L_TABBED
Definition data.h:108
@ L_SPLITH
Definition data.h:112
@ L_SPLITV
Definition data.h:111
adjacent_t
describes if the window is adjacent to the output (physical screen) edges.
Definition data.h:78
@ ADJ_LEFT_SCREEN_EDGE
Definition data.h:79
@ ADJ_LOWER_SCREEN_EDGE
Definition data.h:82
@ ADJ_RIGHT_SCREEN_EDGE
Definition data.h:80
@ ADJ_UPPER_SCREEN_EDGE
Definition data.h:81
@ BS_NONE
Definition data.h:66
@ BS_PIXEL
Definition data.h:67
@ BS_NORMAL
Definition data.h:68
kill_window_t
parameter to specify whether tree_close_internal() and x_window_kill() should kill only this specific...
Definition data.h:73
@ KILL_WINDOW
Definition data.h:74
Definition x.c:38
xcb_window_t old_frame
Definition x.c:52
bool need_reparent
Definition x.c:51
Con * con
Definition x.c:46
bool was_floating
Definition x.c:57
xcb_window_t id
Definition x.c:39
Rect rect
Definition x.c:59
bool is_hidden
Definition x.c:43
char * name
Definition x.c:64
Rect window_rect
Definition x.c:60
bool child_mapped
Definition x.c:42
bool initial
Definition x.c:62
bool mapped
Definition x.c:40
bool unmap_now
Definition x.c:41
color_t border
color_t child_border
color_t indicator
color_t background
enum Config::@5 title_align
Title alignment options.
i3Font font
hide_edge_borders_mode_t hide_edge_borders
Remove borders if they are adjacent to the screen edge.
struct Config::config_client client
warping_t mouse_warping
By default, when switching focus to a window on a different output (e.g.
bool show_marks
Specifies whether or not marks should be displayed in the window decoration.
struct Colortriple focused
struct Colortriple focused_tab_title
struct Colortriple unfocused
struct Colortriple urgent
struct Colortriple focused_inactive
Stores a rectangle, for example the size of a window, the child window etc.
Definition data.h:189
uint32_t height
Definition data.h:193
uint32_t x
Definition data.h:190
uint32_t y
Definition data.h:191
uint32_t width
Definition data.h:192
Stores a width/height pair, used as part of deco_render_params to check whether the rects width/heigh...
Definition data.h:213
uint32_t w
Definition data.h:214
Stores the parameters for rendering a window decoration.
Definition data.h:224
struct Colortriple * color
Definition data.h:225
color_t background
Definition data.h:230
layout_t parent_layout
Definition data.h:231
struct width_height con_rect
Definition data.h:227
Rect con_deco_rect
Definition data.h:229
struct width_height con_window_rect
Definition data.h:228
An Output is a physical output on your graphics driver.
Definition data.h:395
A 'Window' is a type which contains an xcb_window_t and all the related information (hints like _NET_...
Definition data.h:428
bool input_shaped
The window has a nonrectangular input shape.
Definition data.h:515
i3String * name
The name of the window.
Definition data.h:445
cairo_surface_t * icon
Window icon, as Cairo surface.
Definition data.h:510
bool name_x_changed
Flag to force re-rendering the decoration upon changes.
Definition data.h:456
xcb_window_t id
Definition data.h:429
bool doesnt_accept_focus
Whether this window accepts focus.
Definition data.h:466
bool shaped
The window has a nonrectangular shape.
Definition data.h:513
bool needs_take_focus
Whether the application needs to receive WM_TAKE_FOCUS.
Definition data.h:462
uint16_t depth
Depth of the window.
Definition data.h:486
Definition data.h:637
char * name
Definition data.h:638
A 'Con' represents everything from the X11 root window down to a single X11 window.
Definition data.h:647
struct Con * parent
Definition data.h:682
struct Rect deco_rect
Definition data.h:692
enum Con::@18 type
int border_width
Definition data.h:719
struct Rect rect
Definition data.h:686
xcb_colormap_t colormap
Definition data.h:811
bool pixmap_recreated
Definition data.h:664
layout_t layout
Definition data.h:759
bool mapped
Definition data.h:648
uint8_t ignore_unmap
This counter contains the number of UnmapNotify events for this container (or, more precisely,...
Definition data.h:659
struct Rect window_rect
Definition data.h:689
int window_icon_padding
Whether the window icon should be displayed, and with what padding.
Definition data.h:704
struct Window * window
Definition data.h:722
char * title_format
The format with which the window's name should be displayed.
Definition data.h:699
surface_t frame
Definition data.h:662
char * name
Definition data.h:696
uint16_t depth
Definition data.h:808
surface_t frame_buffer
Definition data.h:663
struct deco_render_params * deco_render_params
Cache for the decoration rendering.
Definition data.h:728
bool mark_changed
Definition data.h:714
bool urgent
Definition data.h:652
int height
The height of the font, built from font_ascent + font_descent.
Definition libi3.h:68
int height
Definition libi3.h:578
xcb_gcontext_t gc
Definition libi3.h:574
int width
Definition libi3.h:577
xcb_drawable_t id
Definition libi3.h:571