2 * vim:ts=4:sw=4:expandtab
4 * i3bar - an xcb-based status- and ws-bar for i3
5 * © 2010 Axel Wagner and contributors (see also: LICENSE)
7 * xcb.c: Communicating with X
12 #include <xcb/xproto.h>
13 #include <xcb/xcb_aux.h>
16 #include "xcb_compat.h"
31 #include <X11/XKBlib.h>
32 #include <X11/extensions/XKB.h>
33 #include <cairo/cairo-xcb.h>
38 /* We save the atoms in an easy to access array, indexed by an enum */
40 #define ATOM_DO(name) name,
41 #include "xcb_atoms.def"
45 xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
46 xcb_atom_t atoms[NUM_ATOMS];
48 /* Variables, that are the same for all functions at all times */
49 xcb_connection_t *xcb_connection;
51 xcb_screen_t *root_screen;
52 xcb_window_t xcb_root;
54 /* selection window for tray support */
55 static xcb_window_t selwin = XCB_NONE;
56 static xcb_intern_atom_reply_t *tray_reply = NULL;
58 /* This is needed for integration with libi3 */
59 xcb_connection_t *conn;
61 /* The font we'll use */
64 /* Icon size (based on font size) */
67 xcb_visualtype_t *visual_type;
69 xcb_colormap_t colormap;
71 /* Overall height of the bar (based on font size) */
74 /* These are only relevant for XKB, which we only need for grabbing modifiers */
78 /* Because the statusline is the same on all outputs, we have
79 * global buffer to render it on */
80 surface_t statusline_surface;
81 uint32_t statusline_width;
83 /* Event watchers, to interact with the user */
89 /* The name of current binding mode */
92 /* Indicates whether a new binding mode was recently activated */
93 bool activated_mode = false;
95 /* The parsed colors */
100 color_t active_ws_fg;
101 color_t active_ws_bg;
102 color_t active_ws_border;
103 color_t inactive_ws_fg;
104 color_t inactive_ws_bg;
105 color_t inactive_ws_border;
106 color_t urgent_ws_bg;
107 color_t urgent_ws_fg;
108 color_t urgent_ws_border;
111 color_t focus_ws_border;
112 color_t binding_mode_bg;
113 color_t binding_mode_fg;
114 color_t binding_mode_border;
116 struct xcb_colors_t colors;
118 /* Horizontal offset between a workspace label and button borders */
119 static const int ws_hoff_px = 4;
121 /* Vertical offset between a workspace label and button borders */
122 static const int ws_voff_px = 3;
124 /* Offset between two workspace buttons */
125 static const int ws_spacing_px = 1;
127 /* Offset between the statusline and 1) workspace buttons on the left
128 * 2) the tray or screen edge on the right */
129 static const int sb_hoff_px = 4;
131 /* Additional offset between the tray and the statusline, if the tray is not empty */
132 static const int tray_loff_px = 2;
134 /* Vertical offset between the bar and a separator */
135 static const int sep_voff_px = 4;
137 int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
138 xcb_generic_error_t *err;
139 if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
140 fprintf(stderr, "[%s:%d] ERROR: %s. X Error Code: %d\n", __FILE__, line, err_msg, err->error_code);
141 return err->error_code;
146 uint32_t get_sep_offset(struct status_block *block) {
147 if (!block->no_separator && block->sep_block_width > 0)
148 return block->sep_block_width / 2 + block->sep_block_width % 2;
152 int get_tray_width(struct tc_head *trayclients) {
153 trayclient *trayclient;
155 TAILQ_FOREACH_REVERSE(trayclient, trayclients, tc_head, tailq) {
156 if (!trayclient->mapped)
158 tray_width += icon_size + logical_px(config.tray_padding);
161 tray_width += logical_px(tray_loff_px);
166 * Draws a separator for the given block if necessary.
169 static void draw_separator(uint32_t x, struct status_block *block) {
170 uint32_t sep_offset = get_sep_offset(block);
171 if (TAILQ_NEXT(block, blocks) == NULL || sep_offset == 0)
174 uint32_t center_x = x - sep_offset;
175 if (config.separator_symbol == NULL) {
176 /* Draw a classic one pixel, vertical separator. */
177 cairo_draw_rectangle(&statusline_surface, colors.sep_fg,
179 logical_px(sep_voff_px),
181 bar_height - 2 * logical_px(sep_voff_px));
183 /* Draw a custom separator. */
184 uint32_t separator_x = MAX(x - block->sep_block_width, center_x - separator_symbol_width / 2);
185 cairo_draw_text(config.separator_symbol, &statusline_surface, colors.sep_fg, colors.bar_bg,
186 separator_x, logical_px(ws_voff_px), x - separator_x);
191 * Redraws the statusline to the buffer
194 void refresh_statusline(bool use_short_text) {
195 struct status_block *block;
197 uint32_t old_statusline_width = statusline_width;
198 statusline_width = 0;
200 /* Predict the text width of all blocks (in pixels). */
201 TAILQ_FOREACH(block, &statusline_head, blocks) {
202 /* Try to use the shorter text if necessary and possible. */
203 if (use_short_text && block->short_text != NULL) {
204 I3STRING_FREE(block->full_text);
205 block->full_text = i3string_copy(block->short_text);
208 if (i3string_get_num_bytes(block->full_text) == 0)
211 block->width = predict_text_width(block->full_text);
213 /* Compute offset and append for text aligment in min_width. */
214 if (block->min_width <= block->width) {
218 uint32_t padding_width = block->min_width - block->width;
219 switch (block->align) {
221 block->x_append = padding_width;
224 block->x_offset = padding_width;
227 block->x_offset = padding_width / 2;
228 block->x_append = padding_width / 2 + padding_width % 2;
233 /* If this is not the last block, add some pixels for a separator. */
234 if (TAILQ_NEXT(block, blocks) != NULL)
235 statusline_width += block->sep_block_width;
237 statusline_width += block->width + block->x_offset + block->x_append;
240 /* If the statusline is bigger than our screen we need to make sure that
241 * the pixmap provides enough space, so re-allocate if the width grew */
242 if (statusline_width > root_screen->width_in_pixels &&
243 statusline_width > old_statusline_width)
246 /* Clear the statusline pixmap. */
247 cairo_clear_surface(&statusline_surface, colors.bar_bg);
249 /* Draw the text of each block. */
251 TAILQ_FOREACH(block, &statusline_head, blocks) {
252 if (i3string_get_num_bytes(block->full_text) == 0)
256 /* If this block is urgent, draw it with the defined color and border. */
258 fg_color = colors.urgent_ws_fg;
260 /* Draw the background */
261 cairo_draw_rectangle(&statusline_surface, colors.urgent_ws_bg,
264 block->width + logical_px(4),
265 bar_height - logical_px(2));
267 fg_color = (block->color ? cairo_hex_to_color(block->color) : colors.bar_fg);
270 cairo_draw_text(block->full_text, &statusline_surface, fg_color, colors.bar_bg,
271 x + block->x_offset, logical_px(ws_voff_px), block->width);
272 x += block->width + block->sep_block_width + block->x_offset + block->x_append;
274 /* If this is not the last block, draw a separator. */
275 draw_separator(x, block);
280 * Hides all bars (unmaps them)
283 void hide_bars(void) {
284 if ((config.hide_on_modifier == M_DOCK) || (config.hidden_state == S_SHOW && config.hide_on_modifier == M_HIDE)) {
289 SLIST_FOREACH(walk, outputs, slist) {
293 xcb_unmap_window(xcb_connection, walk->bar.id);
299 * Unhides all bars (maps them)
302 void unhide_bars(void) {
303 if (config.hide_on_modifier != M_HIDE) {
308 xcb_void_cookie_t cookie;
314 SLIST_FOREACH(walk, outputs, slist) {
315 if (walk->bar.id == XCB_NONE) {
318 mask = XCB_CONFIG_WINDOW_X |
319 XCB_CONFIG_WINDOW_Y |
320 XCB_CONFIG_WINDOW_WIDTH |
321 XCB_CONFIG_WINDOW_HEIGHT |
322 XCB_CONFIG_WINDOW_STACK_MODE;
323 values[0] = walk->rect.x;
324 if (config.position == POS_TOP)
325 values[1] = walk->rect.y;
327 values[1] = walk->rect.y + walk->rect.h - bar_height;
328 values[2] = walk->rect.w;
329 values[3] = bar_height;
330 values[4] = XCB_STACK_MODE_ABOVE;
331 DLOG("Reconfiguring window for output %s to %d,%d\n", walk->name, values[0], values[1]);
332 cookie = xcb_configure_window_checked(xcb_connection,
337 if (xcb_request_failed(cookie, "Could not reconfigure window")) {
340 xcb_map_window(xcb_connection, walk->bar.id);
345 * Parse the colors into a format that we can use
348 void init_colors(const struct xcb_color_strings_t *new_colors) {
349 #define PARSE_COLOR(name, def) \
351 colors.name = cairo_hex_to_color(new_colors->name ? new_colors->name : def); \
353 PARSE_COLOR(bar_fg, "#FFFFFF");
354 PARSE_COLOR(bar_bg, "#000000");
355 PARSE_COLOR(sep_fg, "#666666");
356 PARSE_COLOR(active_ws_fg, "#FFFFFF");
357 PARSE_COLOR(active_ws_bg, "#333333");
358 PARSE_COLOR(active_ws_border, "#333333");
359 PARSE_COLOR(inactive_ws_fg, "#888888");
360 PARSE_COLOR(inactive_ws_bg, "#222222");
361 PARSE_COLOR(inactive_ws_border, "#333333");
362 PARSE_COLOR(urgent_ws_fg, "#FFFFFF");
363 PARSE_COLOR(urgent_ws_bg, "#900000");
364 PARSE_COLOR(urgent_ws_border, "#2f343a");
365 PARSE_COLOR(focus_ws_fg, "#FFFFFF");
366 PARSE_COLOR(focus_ws_bg, "#285577");
367 PARSE_COLOR(focus_ws_border, "#4c7899");
370 #define PARSE_COLOR_FALLBACK(name, fallback) \
372 colors.name = new_colors->name ? cairo_hex_to_color(new_colors->name) : colors.fallback; \
375 /* For the binding mode indicator colors, we don't hardcode a default.
376 * Instead, we fall back to urgent_ws_* colors. */
377 PARSE_COLOR_FALLBACK(binding_mode_fg, urgent_ws_fg);
378 PARSE_COLOR_FALLBACK(binding_mode_bg, urgent_ws_bg);
379 PARSE_COLOR_FALLBACK(binding_mode_border, urgent_ws_border);
380 #undef PARSE_COLOR_FALLBACK
383 xcb_flush(xcb_connection);
387 * Handle a button press event (i.e. a mouse click on one of our bars).
388 * We determine, whether the click occured on a workspace button or if the scroll-
389 * wheel was used and change the workspace appropriately
392 void handle_button(xcb_button_press_event_t *event) {
393 /* Determine, which bar was clicked */
395 xcb_window_t bar = event->event;
396 SLIST_FOREACH(walk, outputs, slist) {
397 if (walk->bar.id == bar) {
403 DLOG("Unknown bar clicked!\n");
407 int32_t x = event->event_x >= 0 ? event->event_x : 0;
408 int32_t original_x = x;
410 DLOG("Got button %d\n", event->detail);
412 int workspace_width = 0;
413 i3_ws *cur_ws = NULL, *clicked_ws = NULL, *ws_walk;
415 TAILQ_FOREACH(ws_walk, walk->workspaces, tailq) {
416 int w = 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + ws_walk->name_width;
417 if (x >= workspace_width && x <= workspace_width + w)
418 clicked_ws = ws_walk;
419 if (ws_walk->visible)
421 workspace_width += w;
422 if (TAILQ_NEXT(ws_walk, tailq) != NULL)
423 workspace_width += logical_px(ws_spacing_px);
426 if (x > workspace_width && child_want_click_events()) {
427 /* If the child asked for click events,
428 * check if a status block has been clicked. */
429 int tray_width = get_tray_width(walk->trayclients);
430 int block_x = 0, last_block_x;
431 int offset = walk->rect.w - statusline_width - tray_width - logical_px(sb_hoff_px);
433 x = original_x - offset;
434 if (x >= 0 && (size_t)x < statusline_width) {
435 struct status_block *block;
436 int sep_offset_remainder = 0;
438 TAILQ_FOREACH(block, &statusline_head, blocks) {
439 if (i3string_get_num_bytes(block->full_text) == 0)
442 last_block_x = block_x;
443 block_x += block->width + block->x_offset + block->x_append + get_sep_offset(block) + sep_offset_remainder;
445 if (x <= block_x && x >= last_block_x) {
446 send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
450 sep_offset_remainder = block->sep_block_width - get_sep_offset(block);
456 /* If a custom command was specified for this mouse button, it overrides
457 * the default behavior. */
459 TAILQ_FOREACH(binding, &(config.bindings), bindings) {
460 if (binding->input_code != event->detail)
463 i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, binding->command);
467 if (cur_ws == NULL) {
468 DLOG("No workspace active?\n");
471 switch (event->detail) {
473 /* Mouse wheel up. We select the previous ws, if any.
474 * If there is no more workspace, don’t even send the workspace
475 * command, otherwise (with workspace auto_back_and_forth) we’d end
476 * up on the wrong workspace. */
477 if (cur_ws == TAILQ_FIRST(walk->workspaces))
480 cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
483 /* Mouse wheel down. We select the next ws, if any.
484 * If there is no more workspace, don’t even send the workspace
485 * command, otherwise (with workspace auto_back_and_forth) we’d end
486 * up on the wrong workspace. */
487 if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head))
490 cur_ws = TAILQ_NEXT(cur_ws, tailq);
495 /* if no workspace was clicked, focus our currently visible
496 * workspace if it is not already focused */
497 if (cur_ws == NULL) {
498 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
499 if (cur_ws->visible && !cur_ws->focused)
504 /* if there is nothing to focus, we are done */
513 /* To properly handle workspace names with double quotes in them, we need
514 * to escape the double quotes. Unfortunately, that’s rather ugly in C: We
515 * first count the number of double quotes, then we allocate a large enough
516 * buffer, then we copy character by character. */
519 const char *utf8_name = cur_ws->canonical_name;
520 for (const char *walk = utf8_name; *walk != '\0'; walk++) {
521 if (*walk == '"' || *walk == '\\')
523 /* While we’re looping through the name anyway, we can save one
528 const size_t len = namelen + strlen("workspace \"\"") + 1;
529 char *buffer = scalloc(len + num_quotes, 1);
530 strncpy(buffer, "workspace \"", strlen("workspace \""));
531 size_t inpos, outpos;
532 for (inpos = 0, outpos = strlen("workspace \"");
535 if (utf8_name[inpos] == '"' || utf8_name[inpos] == '\\') {
536 buffer[outpos] = '\\';
539 buffer[outpos] = utf8_name[inpos];
541 buffer[outpos] = '"';
542 i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
547 * Handle visibility notifications: when none of the bars are visible, e.g.
548 * if windows are in fullscreen on each output, suspend the child process.
551 static void handle_visibility_notify(xcb_visibility_notify_event_t *event) {
552 bool visible = (event->state != XCB_VISIBILITY_FULLY_OBSCURED);
556 SLIST_FOREACH(output, outputs, slist) {
557 if (!output->active) {
560 if (output->bar.id == event->window) {
561 if (output->visible == visible) {
564 output->visible = visible;
566 num_visible += output->visible;
569 if (num_visible == 0) {
571 } else if (num_visible == visible) {
572 /* Wake the child only when transitioning from 0 to 1 visible bar.
573 * We cannot transition from 0 to 2 or more visible bars at once since
574 * visibility events are delivered to each window separately */
580 * Adjusts the size of the tray window and alignment of the tray clients by
581 * configuring their respective x coordinates. To be called when mapping or
582 * unmapping a tray client window.
585 static void configure_trayclients(void) {
586 trayclient *trayclient;
588 SLIST_FOREACH(output, outputs, slist) {
593 TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
594 if (!trayclient->mapped)
598 DLOG("Configuring tray window %08x to x=%d\n",
599 trayclient->win, output->rect.w - (clients * (icon_size + logical_px(config.tray_padding))));
600 uint32_t x = output->rect.w - (clients * (icon_size + logical_px(config.tray_padding)));
601 xcb_configure_window(xcb_connection,
610 * Handles ClientMessages (messages sent from another client directly to us).
612 * At the moment, only the tray window will receive client messages. All
613 * supported client messages currently are _NET_SYSTEM_TRAY_OPCODE.
616 static void handle_client_message(xcb_client_message_event_t *event) {
617 if (event->type == atoms[_NET_SYSTEM_TRAY_OPCODE] &&
618 event->format == 32) {
619 DLOG("_NET_SYSTEM_TRAY_OPCODE received\n");
620 /* event->data.data32[0] is the timestamp */
621 uint32_t op = event->data.data32[1];
624 if (op == SYSTEM_TRAY_REQUEST_DOCK) {
625 xcb_window_t client = event->data.data32[2];
627 /* Listen for PropertyNotify events to get the most recent value of
628 * the XEMBED_MAPPED atom, also listen for UnmapNotify events */
629 mask = XCB_CW_EVENT_MASK;
630 values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
631 XCB_EVENT_MASK_STRUCTURE_NOTIFY;
632 xcb_change_window_attributes(xcb_connection,
637 /* Request the _XEMBED_INFO property. The XEMBED specification
638 * (which is referred by the tray specification) says this *has* to
639 * be set, but VLC does not set it… */
642 xcb_get_property_cookie_t xembedc;
643 xcb_generic_error_t *error;
644 xembedc = xcb_get_property(xcb_connection,
648 XCB_GET_PROPERTY_TYPE_ANY,
652 xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
656 ELOG("Error getting _XEMBED_INFO property: error_code %d\n",
661 if (xembedr != NULL && xembedr->length != 0) {
662 DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
663 uint32_t *xembed = xcb_get_property_value(xembedr);
664 DLOG("xembed version = %d\n", xembed[0]);
665 DLOG("xembed flags = %d\n", xembed[1]);
666 map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
667 xe_version = xembed[0];
672 ELOG("Window %08x violates the XEMBED protocol, _XEMBED_INFO not set\n", client);
675 DLOG("X window %08x requested docking\n", client);
676 i3_output *walk, *output = NULL;
677 SLIST_FOREACH(walk, outputs, slist) {
680 if (config.tray_output) {
681 if ((strcasecmp(walk->name, config.tray_output) != 0) &&
682 (!walk->primary || strcasecmp("primary", config.tray_output) != 0))
686 DLOG("using output %s\n", walk->name);
690 /* In case of tray_output == primary and there is no primary output
691 * configured, we fall back to the first available output. */
692 if (output == NULL &&
693 config.tray_output &&
694 strcasecmp("primary", config.tray_output) == 0) {
695 SLIST_FOREACH(walk, outputs, slist) {
698 DLOG("Falling back to output %s because no primary output is configured\n", walk->name);
703 if (output == NULL) {
704 ELOG("No output found\n");
708 xcb_void_cookie_t rcookie = xcb_reparent_window(xcb_connection,
711 output->rect.w - icon_size - logical_px(config.tray_padding),
712 logical_px(config.tray_padding));
713 if (xcb_request_failed(rcookie, "Could not reparent window. Maybe it is using an incorrect depth/visual?"))
716 /* We reconfigure the window to use a reasonable size. The systray
717 * specification explicitly says:
718 * Tray icons may be assigned any size by the system tray, and
719 * should do their best to cope with any size effectively
721 mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
722 values[0] = icon_size;
723 values[1] = icon_size;
724 xcb_configure_window(xcb_connection,
729 /* send the XEMBED_EMBEDDED_NOTIFY message */
730 void *event = scalloc(32, 1);
731 xcb_client_message_event_t *ev = event;
732 ev->response_type = XCB_CLIENT_MESSAGE;
734 ev->type = atoms[_XEMBED];
736 ev->data.data32[0] = XCB_CURRENT_TIME;
737 ev->data.data32[1] = atoms[XEMBED_EMBEDDED_NOTIFY];
738 ev->data.data32[2] = output->bar.id;
739 ev->data.data32[3] = xe_version;
740 xcb_send_event(xcb_connection,
743 XCB_EVENT_MASK_NO_EVENT,
747 /* Put the client inside the save set. Upon termination (whether
748 * killed or normal exit does not matter) of i3bar, these clients
749 * will be correctly reparented to their most closest living
750 * ancestor. Without this, tray icons might die when i3bar
752 xcb_change_save_set(xcb_connection, XCB_SET_MODE_INSERT, client);
754 trayclient *tc = smalloc(sizeof(trayclient));
756 tc->xe_version = xe_version;
758 TAILQ_INSERT_TAIL(output->trayclients, tc, tailq);
761 DLOG("Mapping dock client\n");
762 xcb_map_window(xcb_connection, client);
764 DLOG("Not mapping dock client yet\n");
766 /* Trigger an update to copy the statusline text to the appropriate
768 configure_trayclients();
775 * Handles DestroyNotify events by removing the tray client from the data
776 * structure. According to the XEmbed protocol, this is one way for a tray
777 * client to finish the protocol. After this event is received, there is no
778 * further interaction with the tray client.
780 * See: http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
783 static void handle_destroy_notify(xcb_destroy_notify_event_t *event) {
784 DLOG("DestroyNotify for window = %08x, event = %08x\n", event->window, event->event);
787 SLIST_FOREACH(walk, outputs, slist) {
790 DLOG("checking output %s\n", walk->name);
791 trayclient *trayclient;
792 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
793 if (trayclient->win != event->window)
796 DLOG("Removing tray client with window ID %08x\n", event->window);
797 TAILQ_REMOVE(walk->trayclients, trayclient, tailq);
799 /* Trigger an update, we now have more space for the statusline */
800 configure_trayclients();
808 * Handles MapNotify events. These events happen when a tray client shows its
809 * window. We respond by realigning the tray clients.
812 static void handle_map_notify(xcb_map_notify_event_t *event) {
813 DLOG("MapNotify for window = %08x, event = %08x\n", event->window, event->event);
816 SLIST_FOREACH(walk, outputs, slist) {
819 DLOG("checking output %s\n", walk->name);
820 trayclient *trayclient;
821 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
822 if (trayclient->win != event->window)
825 DLOG("Tray client mapped (window ID %08x). Adjusting tray.\n", event->window);
826 trayclient->mapped = true;
828 /* Trigger an update, we now have more space for the statusline */
829 configure_trayclients();
836 * Handles UnmapNotify events. These events happen when a tray client hides its
837 * window. We respond by realigning the tray clients.
840 static void handle_unmap_notify(xcb_unmap_notify_event_t *event) {
841 DLOG("UnmapNotify for window = %08x, event = %08x\n", event->window, event->event);
844 SLIST_FOREACH(walk, outputs, slist) {
847 DLOG("checking output %s\n", walk->name);
848 trayclient *trayclient;
849 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
850 if (trayclient->win != event->window)
853 DLOG("Tray client unmapped (window ID %08x). Adjusting tray.\n", event->window);
854 trayclient->mapped = false;
856 /* Trigger an update, we now have more space for the statusline */
857 configure_trayclients();
865 * Handle PropertyNotify messages. Currently only the _XEMBED_INFO property is
866 * handled, which tells us whether a dock client should be mapped or unmapped.
869 static void handle_property_notify(xcb_property_notify_event_t *event) {
870 DLOG("PropertyNotify\n");
871 if (event->atom == atoms[_XEMBED_INFO] &&
872 event->state == XCB_PROPERTY_NEW_VALUE) {
873 DLOG("xembed_info updated\n");
874 trayclient *trayclient = NULL, *walk;
876 SLIST_FOREACH(o_walk, outputs, slist) {
880 TAILQ_FOREACH(walk, o_walk->trayclients, tailq) {
881 if (walk->win != event->window)
891 ELOG("PropertyNotify received for unknown window %08x\n",
895 xcb_get_property_cookie_t xembedc;
896 xembedc = xcb_get_property_unchecked(xcb_connection,
900 XCB_GET_PROPERTY_TYPE_ANY,
904 xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
907 if (xembedr == NULL || xembedr->length == 0) {
908 DLOG("xembed_info unset\n");
912 DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
913 uint32_t *xembed = xcb_get_property_value(xembedr);
914 DLOG("xembed version = %d\n", xembed[0]);
915 DLOG("xembed flags = %d\n", xembed[1]);
916 bool map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
917 DLOG("map state now %d\n", map_it);
918 if (trayclient->mapped && !map_it) {
919 /* need to unmap the window */
920 xcb_unmap_window(xcb_connection, trayclient->win);
921 } else if (!trayclient->mapped && map_it) {
922 /* need to map the window */
923 xcb_map_window(xcb_connection, trayclient->win);
930 * Handle ConfigureRequests by denying them and sending the client a
931 * ConfigureNotify with its actual size.
934 static void handle_configure_request(xcb_configure_request_event_t *event) {
935 DLOG("ConfigureRequest for window = %08x\n", event->window);
937 trayclient *trayclient;
939 SLIST_FOREACH(output, outputs, slist) {
944 TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
945 if (!trayclient->mapped)
949 if (trayclient->win != event->window)
952 xcb_rectangle_t rect;
953 rect.x = output->rect.w - (clients * (icon_size + logical_px(config.tray_padding)));
954 rect.y = logical_px(config.tray_padding);
955 rect.width = icon_size;
956 rect.height = icon_size;
958 DLOG("This is a tray window. x = %d\n", rect.x);
959 fake_configure_notify(xcb_connection, rect, event->window, 0);
964 DLOG("WARNING: Could not find corresponding tray window.\n");
968 * This function is called immediately before the main loop locks. We flush xcb
969 * then (and only then)
972 void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) {
973 xcb_flush(xcb_connection);
977 * This function is called immediately after the main loop locks, so when one
978 * of the watchers registered an event.
979 * We check whether an X-Event arrived and handle it.
982 void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
983 xcb_generic_event_t *event;
985 if (xcb_connection_has_error(xcb_connection)) {
986 ELOG("X11 connection was closed unexpectedly - maybe your X server terminated / crashed?\n");
990 while ((event = xcb_poll_for_event(xcb_connection)) != NULL) {
991 int type = (event->response_type & ~0x80);
993 if (type == xkb_base && xkb_base > -1) {
994 DLOG("received an xkb event\n");
996 xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
997 if (state->xkbType == XCB_XKB_STATE_NOTIFY) {
998 int modstate = state->mods & config.modifier;
1000 #define DLOGMOD(modmask, status) \
1002 switch (modmask) { \
1004 DLOG("ShiftMask got " #status "!\n"); \
1007 DLOG("ControlMask got " #status "!\n"); \
1010 DLOG("Mod1Mask got " #status "!\n"); \
1013 DLOG("Mod2Mask got " #status "!\n"); \
1016 DLOG("Mod3Mask got " #status "!\n"); \
1019 DLOG("Mod4Mask got " #status "!\n"); \
1022 DLOG("Mod5Mask got " #status "!\n"); \
1027 if (modstate != mod_pressed) {
1028 if (modstate == 0) {
1029 DLOGMOD(config.modifier, released);
1030 if (!activated_mode)
1033 DLOGMOD(config.modifier, pressed);
1034 activated_mode = false;
1037 mod_pressed = modstate;
1047 case XCB_VISIBILITY_NOTIFY:
1048 /* Visibility change: a bar is [un]obscured by other window */
1049 handle_visibility_notify((xcb_visibility_notify_event_t *)event);
1052 /* Expose-events happen, when the window needs to be redrawn */
1055 case XCB_BUTTON_PRESS:
1056 /* Button press events are mouse buttons clicked on one of our bars */
1057 handle_button((xcb_button_press_event_t *)event);
1059 case XCB_CLIENT_MESSAGE:
1060 /* Client messages are used for client-to-client communication, for
1061 * example system tray widgets talk to us directly via client messages. */
1062 handle_client_message((xcb_client_message_event_t *)event);
1064 case XCB_DESTROY_NOTIFY:
1065 /* DestroyNotify signifies the end of the XEmbed protocol */
1066 handle_destroy_notify((xcb_destroy_notify_event_t *)event);
1068 case XCB_UNMAP_NOTIFY:
1069 /* UnmapNotify is received when a tray client hides its window. */
1070 handle_unmap_notify((xcb_unmap_notify_event_t *)event);
1072 case XCB_MAP_NOTIFY:
1073 handle_map_notify((xcb_map_notify_event_t *)event);
1075 case XCB_PROPERTY_NOTIFY:
1076 /* PropertyNotify */
1077 handle_property_notify((xcb_property_notify_event_t *)event);
1079 case XCB_CONFIGURE_REQUEST:
1080 /* ConfigureRequest, sent by a tray child */
1081 handle_configure_request((xcb_configure_request_event_t *)event);
1089 * Dummy callback. We only need this, so that the prepare and check watchers
1093 void xcb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
1097 * Early initialization of the connection to X11: Everything which does not
1098 * depend on 'config'.
1101 char *init_xcb_early() {
1102 /* FIXME: xcb_connect leaks memory */
1103 xcb_connection = xcb_connect(NULL, &screen);
1104 if (xcb_connection_has_error(xcb_connection)) {
1105 ELOG("Cannot open display\n");
1108 conn = xcb_connection;
1109 DLOG("Connected to xcb\n");
1111 /* We have to request the atoms we need */
1112 #define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
1113 #include "xcb_atoms.def"
1115 root_screen = xcb_aux_get_screen(xcb_connection, screen);
1116 xcb_root = root_screen->root;
1118 depth = root_screen->root_depth;
1119 colormap = root_screen->default_colormap;
1120 visual_type = get_visualtype(root_screen);
1122 /* We draw the statusline to a seperate pixmap, because it looks the same on all bars and
1123 * this way, we can choose to crop it */
1124 xcb_pixmap_t statusline_id = xcb_generate_id(xcb_connection);
1125 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1129 root_screen->width_in_pixels,
1130 root_screen->height_in_pixels);
1131 cairo_surface_init(&statusline_surface, statusline_id, root_screen->width_in_pixels, root_screen->height_in_pixels);
1133 /* The various watchers to communicate with xcb */
1134 xcb_io = smalloc(sizeof(ev_io));
1135 xcb_prep = smalloc(sizeof(ev_prepare));
1136 xcb_chk = smalloc(sizeof(ev_check));
1138 ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
1139 ev_prepare_init(xcb_prep, &xcb_prep_cb);
1140 ev_check_init(xcb_chk, &xcb_chk_cb);
1142 ev_io_start(main_loop, xcb_io);
1143 ev_prepare_start(main_loop, xcb_prep);
1144 ev_check_start(main_loop, xcb_chk);
1146 /* Now we get the atoms and save them in a nice data structure */
1149 char *path = root_atom_contents("I3_SOCKET_PATH", xcb_connection, screen);
1151 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline buffer"))
1158 * Register for xkb keyevents. To grab modifiers without blocking other applications from receiving key events
1159 * involving that modifier, we sadly have to use xkb which is not yet fully supported
1163 void register_xkb_keyevents() {
1164 const xcb_query_extension_reply_t *extreply;
1165 extreply = xcb_get_extension_data(conn, &xcb_xkb_id);
1166 if (!extreply->present) {
1167 ELOG("xkb is not present on this server\n");
1170 DLOG("initializing xcb-xkb\n");
1171 xcb_xkb_use_extension(conn, XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION);
1172 xcb_xkb_select_events(conn,
1173 XCB_XKB_ID_USE_CORE_KBD,
1174 XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
1176 XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
1180 xkb_base = extreply->first_event;
1184 * Deregister from xkb keyevents.
1187 void deregister_xkb_keyevents() {
1188 xcb_xkb_select_events(conn,
1189 XCB_XKB_ID_USE_CORE_KBD,
1199 * Initialization which depends on 'config' being usable. Called after the
1200 * configuration has arrived.
1203 void init_xcb_late(char *fontname) {
1204 if (fontname == NULL)
1205 fontname = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
1208 font = load_font(fontname, true);
1210 DLOG("Calculated font height: %d\n", font.height);
1211 bar_height = font.height + 2 * logical_px(ws_voff_px);
1212 icon_size = bar_height - 2 * logical_px(config.tray_padding);
1214 if (config.separator_symbol)
1215 separator_symbol_width = predict_text_width(config.separator_symbol);
1217 xcb_flush(xcb_connection);
1219 if (config.hide_on_modifier == M_HIDE)
1220 register_xkb_keyevents();
1224 * Inform clients waiting for a new _NET_SYSTEM_TRAY that we took the
1228 static void send_tray_clientmessage(void) {
1229 uint8_t buffer[32] = {0};
1230 xcb_client_message_event_t *ev = (xcb_client_message_event_t *)buffer;
1232 ev->response_type = XCB_CLIENT_MESSAGE;
1233 ev->window = xcb_root;
1234 ev->type = atoms[MANAGER];
1236 ev->data.data32[0] = XCB_CURRENT_TIME;
1237 ev->data.data32[1] = tray_reply->atom;
1238 ev->data.data32[2] = selwin;
1240 xcb_send_event(xcb_connection,
1248 * Initializes tray support by requesting the appropriate _NET_SYSTEM_TRAY atom
1249 * for the X11 display we are running on, then acquiring the selection for this
1250 * atom. Afterwards, tray clients will send ClientMessages to our window.
1253 void init_tray(void) {
1254 DLOG("Initializing system tray functionality\n");
1255 /* request the tray manager atom for the X11 display we are running on */
1256 char atomname[strlen("_NET_SYSTEM_TRAY_S") + 11];
1257 snprintf(atomname, strlen("_NET_SYSTEM_TRAY_S") + 11, "_NET_SYSTEM_TRAY_S%d", screen);
1258 xcb_intern_atom_cookie_t tray_cookie;
1259 if (tray_reply == NULL)
1260 tray_cookie = xcb_intern_atom(xcb_connection, 0, strlen(atomname), atomname);
1262 /* tray support: we need a window to own the selection */
1263 selwin = xcb_generate_id(xcb_connection);
1264 uint32_t selmask = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_COLORMAP;
1265 uint32_t selval[] = {root_screen->black_pixel, root_screen->black_pixel, 1, colormap};
1266 xcb_create_window(xcb_connection,
1273 XCB_WINDOW_CLASS_INPUT_OUTPUT,
1274 visual_type->visual_id,
1278 uint32_t orientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
1280 xcb_change_property(xcb_connection,
1281 XCB_PROP_MODE_REPLACE,
1283 atoms[_NET_SYSTEM_TRAY_ORIENTATION],
1288 xcb_change_property(xcb_connection,
1289 XCB_PROP_MODE_REPLACE,
1291 atoms[_NET_SYSTEM_TRAY_VISUAL],
1295 &visual_type->visual_id);
1299 if (tray_reply == NULL) {
1300 if (!(tray_reply = xcb_intern_atom_reply(xcb_connection, tray_cookie, NULL))) {
1301 ELOG("Could not get atom %s\n", atomname);
1306 xcb_set_selection_owner(xcb_connection,
1311 /* Verify that we have the selection */
1312 xcb_get_selection_owner_cookie_t selcookie;
1313 xcb_get_selection_owner_reply_t *selreply;
1315 selcookie = xcb_get_selection_owner(xcb_connection, tray_reply->atom);
1316 if (!(selreply = xcb_get_selection_owner_reply(xcb_connection, selcookie, NULL))) {
1317 ELOG("Could not get selection owner for %s\n", atomname);
1321 if (selreply->owner != selwin) {
1322 ELOG("Could not set the %s selection. "
1323 "Maybe another tray is already running?\n",
1325 /* NOTE that this error is not fatal. We just can’t provide tray
1331 send_tray_clientmessage();
1335 * We need to set the _NET_SYSTEM_TRAY_COLORS atom on the tray selection window
1336 * to make GTK+ 3 applets with symbolic icons visible. If the colors are unset,
1337 * they assume a light background.
1338 * See also https://bugzilla.gnome.org/show_bug.cgi?id=679591
1341 void init_tray_colors(void) {
1342 /* Convert colors.bar_fg (#rrggbb) to 16-bit RGB */
1343 const char *bar_fg = (config.colors.bar_fg ? config.colors.bar_fg : "#FFFFFF");
1345 DLOG("Setting bar_fg = %s as _NET_SYSTEM_TRAY_COLORS\n", bar_fg);
1347 char strgroups[3][3] = {{bar_fg[1], bar_fg[2], '\0'},
1348 {bar_fg[3], bar_fg[4], '\0'},
1349 {bar_fg[5], bar_fg[6], '\0'}};
1350 const uint8_t r = strtol(strgroups[0], NULL, 16);
1351 const uint8_t g = strtol(strgroups[1], NULL, 16);
1352 const uint8_t b = strtol(strgroups[2], NULL, 16);
1354 const uint16_t r16 = ((uint16_t)r << 8) | r;
1355 const uint16_t g16 = ((uint16_t)g << 8) | g;
1356 const uint16_t b16 = ((uint16_t)b << 8) | b;
1358 const uint32_t tray_colors[12] = {
1359 r16, g16, b16, /* foreground color */
1360 r16, g16, b16, /* error color */
1361 r16, g16, b16, /* warning color */
1362 r16, g16, b16, /* success color */
1365 xcb_change_property(xcb_connection,
1366 XCB_PROP_MODE_REPLACE,
1368 atoms[_NET_SYSTEM_TRAY_COLORS],
1376 * Cleanup the xcb stuff.
1377 * Called once, before the program terminates.
1380 void clean_xcb(void) {
1383 SLIST_FOREACH(o_walk, outputs, slist) {
1384 destroy_window(o_walk);
1385 FREE(o_walk->trayclients);
1386 FREE(o_walk->workspaces);
1389 FREE_SLIST(outputs, i3_output);
1392 xcb_flush(xcb_connection);
1393 xcb_aux_sync(xcb_connection);
1394 xcb_disconnect(xcb_connection);
1396 ev_check_stop(main_loop, xcb_chk);
1397 ev_prepare_stop(main_loop, xcb_prep);
1398 ev_io_stop(main_loop, xcb_io);
1406 * Get the earlier requested atoms and save them in the prepared data structure
1409 void get_atoms(void) {
1410 xcb_intern_atom_reply_t *reply;
1411 #define ATOM_DO(name) \
1412 reply = xcb_intern_atom_reply(xcb_connection, atom_cookies[name], NULL); \
1413 if (reply == NULL) { \
1414 ELOG("Could not get atom %s\n", #name); \
1415 exit(EXIT_FAILURE); \
1417 atoms[name] = reply->atom; \
1420 #include "xcb_atoms.def"
1421 DLOG("Got atoms\n");
1425 * Reparents all tray clients of the specified output to the root window. This
1426 * is either used when shutting down, when an output appears (xrandr --output
1427 * VGA1 --off) or when the primary output changes.
1429 * Applications using the tray will start the protocol from the beginning again
1433 void kick_tray_clients(i3_output *output) {
1434 if (TAILQ_EMPTY(output->trayclients))
1437 trayclient *trayclient;
1438 while (!TAILQ_EMPTY(output->trayclients)) {
1439 trayclient = TAILQ_FIRST(output->trayclients);
1440 /* Unmap, then reparent (to root) the tray client windows */
1441 xcb_unmap_window(xcb_connection, trayclient->win);
1442 xcb_reparent_window(xcb_connection,
1448 /* We remove the trayclient right here. We might receive an UnmapNotify
1449 * event afterwards, but better safe than sorry. */
1450 TAILQ_REMOVE(output->trayclients, trayclient, tailq);
1453 /* Fake a DestroyNotify so that Qt re-adds tray icons.
1454 * We cannot actually destroy the window because then Qt will not restore
1455 * its event mask on the new window. */
1456 uint8_t buffer[32] = {0};
1457 xcb_destroy_notify_event_t *event = (xcb_destroy_notify_event_t *)buffer;
1459 event->response_type = XCB_DESTROY_NOTIFY;
1460 event->event = selwin;
1461 event->window = selwin;
1463 xcb_send_event(conn, false, selwin, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char *)event);
1465 send_tray_clientmessage();
1469 * Destroy the bar of the specified output
1472 void destroy_window(i3_output *output) {
1473 if (output == NULL) {
1476 if (output->bar.id == XCB_NONE) {
1480 kick_tray_clients(output);
1481 xcb_destroy_window(xcb_connection, output->bar.id);
1482 output->bar.id = XCB_NONE;
1486 * Reallocate the statusline buffer
1489 void realloc_sl_buffer(void) {
1490 DLOG("Re-allocating statusline buffer, statusline_width = %d, root_screen->width_in_pixels = %d\n",
1491 statusline_width, root_screen->width_in_pixels);
1492 xcb_free_pixmap(xcb_connection, statusline_surface.id);
1493 cairo_surface_free(&statusline_surface);
1495 xcb_pixmap_t statusline_id = xcb_generate_id(xcb_connection);
1496 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1500 MAX(root_screen->width_in_pixels, statusline_width),
1502 cairo_surface_init(&statusline_surface, statusline_id, root_screen->width_in_pixels, root_screen->height_in_pixels);
1504 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline buffer"))
1508 /* Strut partial tells i3 where to reserve space for i3bar. This is determined
1509 * by the `position` bar config directive. */
1510 xcb_void_cookie_t config_strut_partial(i3_output *output) {
1511 /* A local struct to save the strut_partial property */
1517 uint32_t left_start_y;
1518 uint32_t left_end_y;
1519 uint32_t right_start_y;
1520 uint32_t right_end_y;
1521 uint32_t top_start_x;
1523 uint32_t bottom_start_x;
1524 uint32_t bottom_end_x;
1525 } __attribute__((__packed__)) strut_partial;
1526 memset(&strut_partial, 0, sizeof(strut_partial));
1528 switch (config.position) {
1532 strut_partial.top = bar_height;
1533 strut_partial.top_start_x = output->rect.x;
1534 strut_partial.top_end_x = output->rect.x + output->rect.w;
1537 strut_partial.bottom = bar_height;
1538 strut_partial.bottom_start_x = output->rect.x;
1539 strut_partial.bottom_end_x = output->rect.x + output->rect.w;
1542 return xcb_change_property(xcb_connection,
1543 XCB_PROP_MODE_REPLACE,
1545 atoms[_NET_WM_STRUT_PARTIAL],
1553 * Reconfigure all bars and create new bars for recently activated outputs
1556 void reconfig_windows(bool redraw_bars) {
1559 static bool tray_configured = false;
1562 SLIST_FOREACH(walk, outputs, slist) {
1563 if (!walk->active) {
1564 /* If an output is not active, we destroy its bar */
1565 /* FIXME: Maybe we rather want to unmap? */
1566 DLOG("Destroying window for output %s\n", walk->name);
1567 destroy_window(walk);
1570 if (walk->bar.id == XCB_NONE) {
1571 DLOG("Creating window for output %s\n", walk->name);
1573 xcb_window_t bar_id = xcb_generate_id(xcb_connection);
1574 xcb_pixmap_t buffer_id = xcb_generate_id(xcb_connection);
1575 mask = XCB_CW_BACK_PIXEL | XCB_CW_BORDER_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK | XCB_CW_COLORMAP;
1577 values[0] = colors.bar_bg.colorpixel;
1578 values[1] = root_screen->black_pixel;
1579 /* If hide_on_modifier is set to hide or invisible mode, i3 is not supposed to manage our bar windows */
1580 values[2] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
1581 /* We enable the following EventMask fields:
1582 * EXPOSURE, to get expose events (we have to re-draw then)
1583 * SUBSTRUCTURE_REDIRECT, to get ConfigureRequests when the tray
1584 * child windows use ConfigureWindow
1585 * BUTTON_PRESS, to handle clicks on the workspace buttons
1587 values[3] = XCB_EVENT_MASK_EXPOSURE |
1588 XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
1589 XCB_EVENT_MASK_BUTTON_PRESS;
1590 if (config.hide_on_modifier == M_DOCK) {
1591 /* If the bar is normally visible, catch visibility change events to suspend
1592 * the status process when the bar is obscured by full-screened windows. */
1593 values[3] |= XCB_EVENT_MASK_VISIBILITY_CHANGE;
1594 walk->visible = true;
1596 values[4] = colormap;
1598 xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
1602 walk->rect.x, walk->rect.y + walk->rect.h - bar_height,
1603 walk->rect.w, bar_height,
1605 XCB_WINDOW_CLASS_INPUT_OUTPUT,
1606 visual_type->visual_id,
1610 /* The double-buffer we use to render stuff off-screen */
1611 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1618 /* Set the WM_CLASS and WM_NAME (we don't need UTF-8) atoms */
1619 xcb_void_cookie_t class_cookie;
1620 class_cookie = xcb_change_property(xcb_connection,
1621 XCB_PROP_MODE_REPLACE,
1626 (strlen("i3bar") + 1) * 2,
1630 sasprintf(&name, "i3bar for output %s", walk->name);
1631 xcb_void_cookie_t name_cookie;
1632 name_cookie = xcb_change_property(xcb_connection,
1633 XCB_PROP_MODE_REPLACE,
1642 /* We want dock windows (for now). When override_redirect is set, i3 is ignoring
1644 xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection,
1645 XCB_PROP_MODE_REPLACE,
1647 atoms[_NET_WM_WINDOW_TYPE],
1651 (unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
1653 cairo_surface_init(&walk->bar, bar_id, walk->rect.w, bar_height);
1654 cairo_surface_init(&walk->buffer, buffer_id, walk->rect.w, bar_height);
1656 xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
1658 /* We finally map the bar (display it on screen), unless the modifier-switch is on */
1659 xcb_void_cookie_t map_cookie;
1660 if (config.hide_on_modifier == M_DOCK) {
1661 map_cookie = xcb_map_window_checked(xcb_connection, bar_id);
1664 if (xcb_request_failed(win_cookie, "Could not create window") ||
1665 xcb_request_failed(pm_cookie, "Could not create pixmap") ||
1666 xcb_request_failed(dock_cookie, "Could not set dock mode") ||
1667 xcb_request_failed(class_cookie, "Could not set WM_CLASS") ||
1668 xcb_request_failed(name_cookie, "Could not set WM_NAME") ||
1669 xcb_request_failed(strut_cookie, "Could not set strut") ||
1670 ((config.hide_on_modifier == M_DOCK) && xcb_request_failed(map_cookie, "Could not map window"))) {
1674 const char *tray_output = (config.tray_output ? config.tray_output : SLIST_FIRST(outputs)->name);
1675 if (!tray_configured && strcasecmp(tray_output, "none") != 0) {
1676 /* Configuration sanity check: ensure this i3bar instance handles the output on
1677 * which the tray should appear (e.g. don’t initialize a tray if tray_output ==
1678 * VGA-1 but output == [HDMI-1]).
1681 SLIST_FOREACH(output, outputs, slist) {
1682 if (strcasecmp(output->name, tray_output) == 0 ||
1683 (strcasecmp(tray_output, "primary") == 0 && output->primary)) {
1688 tray_configured = true;
1691 /* We already have a bar, so we just reconfigure it */
1692 mask = XCB_CONFIG_WINDOW_X |
1693 XCB_CONFIG_WINDOW_Y |
1694 XCB_CONFIG_WINDOW_WIDTH |
1695 XCB_CONFIG_WINDOW_HEIGHT |
1696 XCB_CONFIG_WINDOW_STACK_MODE;
1697 values[0] = walk->rect.x;
1698 if (config.position == POS_TOP)
1699 values[1] = walk->rect.y;
1701 values[1] = walk->rect.y + walk->rect.h - bar_height;
1702 values[2] = walk->rect.w;
1703 values[3] = bar_height;
1704 values[4] = XCB_STACK_MODE_ABOVE;
1706 DLOG("Reconfiguring strut partial property for output %s\n", walk->name);
1707 xcb_void_cookie_t strut_cookie = config_strut_partial(walk);
1709 DLOG("Destroying buffer for output %s\n", walk->name);
1710 xcb_free_pixmap(xcb_connection, walk->buffer.id);
1712 DLOG("Reconfiguring window for output %s to %d,%d\n", walk->name, values[0], values[1]);
1713 xcb_void_cookie_t cfg_cookie = xcb_configure_window_checked(xcb_connection,
1718 mask = XCB_CW_OVERRIDE_REDIRECT;
1719 values[0] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
1720 DLOG("Changing window attribute override_redirect for output %s to %d\n", walk->name, values[0]);
1721 xcb_void_cookie_t chg_cookie = xcb_change_window_attributes(xcb_connection,
1726 DLOG("Recreating buffer for output %s\n", walk->name);
1727 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1734 cairo_surface_free(&(walk->bar));
1735 cairo_surface_free(&(walk->buffer));
1736 cairo_surface_init(&(walk->bar), walk->bar.id, walk->rect.w, bar_height);
1737 cairo_surface_init(&(walk->buffer), walk->buffer.id, walk->rect.w, bar_height);
1739 xcb_void_cookie_t map_cookie, umap_cookie;
1741 /* Unmap the window, and draw it again when in dock mode */
1742 umap_cookie = xcb_unmap_window_checked(xcb_connection, walk->bar.id);
1743 if (config.hide_on_modifier == M_DOCK) {
1745 map_cookie = xcb_map_window_checked(xcb_connection, walk->bar.id);
1750 if (config.hide_on_modifier == M_HIDE) {
1751 /* Switching to hide mode, register for keyevents */
1752 register_xkb_keyevents();
1754 /* Switching to dock/invisible mode, deregister from keyevents */
1755 deregister_xkb_keyevents();
1759 if (xcb_request_failed(cfg_cookie, "Could not reconfigure window") ||
1760 xcb_request_failed(chg_cookie, "Could not change window") ||
1761 xcb_request_failed(pm_cookie, "Could not create pixmap") ||
1762 xcb_request_failed(strut_cookie, "Could not set strut") ||
1763 (redraw_bars && (xcb_request_failed(umap_cookie, "Could not unmap window") ||
1764 (config.hide_on_modifier == M_DOCK && xcb_request_failed(map_cookie, "Could not map window"))))) {
1772 * Render the bars, with buttons and statusline
1775 void draw_bars(bool unhide) {
1776 DLOG("Drawing bars...\n");
1777 int workspace_width = 0;
1778 /* Is the currently-rendered statusline using short_text items? */
1779 bool rendered_statusline_is_short = false;
1781 refresh_statusline(false);
1783 i3_output *outputs_walk;
1784 SLIST_FOREACH(outputs_walk, outputs, slist) {
1785 if (!outputs_walk->active) {
1786 DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
1789 if (outputs_walk->bar.id == XCB_NONE) {
1790 /* Oh shit, an active output without an own bar. Create it now! */
1791 reconfig_windows(false);
1794 /* First things first: clear the backbuffer */
1795 cairo_clear_surface(&(outputs_walk->buffer), colors.bar_bg);
1797 if (!config.disable_ws) {
1799 TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
1800 DLOG("Drawing button for WS %s at x = %d, len = %d\n",
1801 i3string_as_utf8(ws_walk->name), workspace_width, ws_walk->name_width);
1802 color_t fg_color = colors.inactive_ws_fg;
1803 color_t bg_color = colors.inactive_ws_bg;
1804 color_t border_color = colors.inactive_ws_border;
1805 if (ws_walk->visible) {
1806 if (!ws_walk->focused) {
1807 fg_color = colors.active_ws_fg;
1808 bg_color = colors.active_ws_bg;
1809 border_color = colors.active_ws_border;
1811 fg_color = colors.focus_ws_fg;
1812 bg_color = colors.focus_ws_bg;
1813 border_color = colors.focus_ws_border;
1816 if (ws_walk->urgent) {
1817 DLOG("WS %s is urgent!\n", i3string_as_utf8(ws_walk->name));
1818 fg_color = colors.urgent_ws_fg;
1819 bg_color = colors.urgent_ws_bg;
1820 border_color = colors.urgent_ws_border;
1824 /* Draw the border of the button. */
1825 cairo_draw_rectangle(&(outputs_walk->buffer), border_color,
1828 ws_walk->name_width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
1829 font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
1831 /* Draw the inside of the button. */
1832 cairo_draw_rectangle(&(outputs_walk->buffer), bg_color,
1833 workspace_width + logical_px(1),
1835 ws_walk->name_width + 2 * logical_px(ws_hoff_px),
1836 font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
1838 cairo_draw_text(ws_walk->name, &(outputs_walk->buffer), fg_color, bg_color,
1839 workspace_width + logical_px(ws_hoff_px) + logical_px(1),
1840 logical_px(ws_voff_px),
1841 ws_walk->name_width);
1843 workspace_width += 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + ws_walk->name_width;
1844 if (TAILQ_NEXT(ws_walk, tailq) != NULL)
1845 workspace_width += logical_px(ws_spacing_px);
1849 if (binding.name && !config.disable_binding_mode_indicator) {
1850 workspace_width += logical_px(ws_spacing_px);
1852 color_t fg_color = colors.binding_mode_fg;
1853 color_t bg_color = colors.binding_mode_bg;
1855 cairo_draw_rectangle(&(outputs_walk->buffer), colors.binding_mode_border,
1858 binding.width + 2 * logical_px(ws_hoff_px) + 2 * logical_px(1),
1859 font.height + 2 * logical_px(ws_voff_px) - 2 * logical_px(1));
1861 cairo_draw_rectangle(&(outputs_walk->buffer), bg_color,
1862 workspace_width + logical_px(1),
1864 binding.width + 2 * logical_px(ws_hoff_px),
1865 font.height + 2 * logical_px(ws_voff_px) - 4 * logical_px(1));
1867 cairo_draw_text(binding.name, &(outputs_walk->buffer), fg_color, bg_color,
1868 workspace_width + logical_px(ws_hoff_px) + logical_px(1),
1869 logical_px(ws_voff_px),
1873 workspace_width += 2 * logical_px(ws_hoff_px) + 2 * logical_px(1) + binding.width;
1876 if (!TAILQ_EMPTY(&statusline_head)) {
1877 DLOG("Printing statusline!\n");
1879 int tray_width = get_tray_width(outputs_walk->trayclients);
1880 uint32_t max_statusline_width = outputs_walk->rect.w - workspace_width - tray_width - 2 * logical_px(sb_hoff_px);
1882 /* If the statusline is too long, try to use short texts. */
1883 if (statusline_width > max_statusline_width) {
1884 /* If the currently rendered statusline is long, render a short status line */
1885 refresh_statusline(true);
1886 rendered_statusline_is_short = true;
1887 } else if (rendered_statusline_is_short) {
1888 /* If the currently rendered statusline is short, render a long status line */
1889 refresh_statusline(false);
1890 rendered_statusline_is_short = false;
1893 /* Luckily we already prepared a seperate pixmap containing the rendered
1894 * statusline, we just have to copy the relevant parts to the relevant
1896 int visible_statusline_width = MIN(statusline_width, max_statusline_width);
1897 int x_src = (int16_t)(statusline_width - visible_statusline_width);
1898 int x_dest = (int16_t)(outputs_walk->rect.w - tray_width - logical_px(sb_hoff_px) - visible_statusline_width);
1900 cairo_copy_surface(&statusline_surface, &(outputs_walk->buffer), x_dest - x_src, 0,
1901 x_dest, 0, (int16_t)visible_statusline_width, (int16_t)bar_height);
1904 workspace_width = 0;
1907 /* Assure the bar is hidden/unhidden according to the specified hidden_state and mode */
1909 config.hidden_state == S_SHOW ||
1912 } else if (config.hide_on_modifier == M_HIDE) {
1920 * Redraw the bars, i.e. simply copy the buffer to the barwindow
1923 void redraw_bars(void) {
1924 i3_output *outputs_walk;
1925 SLIST_FOREACH(outputs_walk, outputs, slist) {
1926 if (!outputs_walk->active) {
1930 cairo_copy_surface(&(outputs_walk->buffer), &(outputs_walk->bar), 0, 0,
1931 0, 0, outputs_walk->rect.w, outputs_walk->rect.h);
1932 xcb_flush(xcb_connection);
1937 * Set the current binding mode
1940 void set_current_mode(struct mode *current) {
1941 I3STRING_FREE(binding.name);
1943 activated_mode = binding.name != NULL;