2 * vim:ts=4:sw=4:expandtab
4 * i3bar - an xcb-based status- and ws-bar for i3
5 * © 2010-2012 Axel Wagner and contributors (see also: LICENSE)
7 * xcb.c: Communicating with X
11 #include <xcb/xproto.h>
12 #include <xcb/xcb_aux.h>
15 #include "xcb_compat.h"
30 #include <X11/XKBlib.h>
31 #include <X11/extensions/XKB.h>
36 /* We save the Atoms in an easy to access array, indexed by an enum */
38 #define ATOM_DO(name) name,
39 #include "xcb_atoms.def"
43 xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
44 xcb_atom_t atoms[NUM_ATOMS];
46 /* Variables, that are the same for all functions at all times */
47 xcb_connection_t *xcb_connection;
49 xcb_screen_t *root_screen;
50 xcb_window_t xcb_root;
52 /* selection window for tray support */
53 static xcb_window_t selwin = XCB_NONE;
54 static xcb_intern_atom_reply_t *tray_reply = NULL;
56 /* This is needed for integration with libi3 */
57 xcb_connection_t *conn;
59 /* The font we'll use */
62 /* Overall height of the bar (based on font size) */
65 /* These are only relevant for XKB, which we only need for grabbing modifiers */
70 /* Because the statusline is the same on all outputs, we have
71 * global buffer to render it on */
72 xcb_gcontext_t statusline_ctx;
73 xcb_gcontext_t statusline_clear;
74 xcb_pixmap_t statusline_pm;
75 uint32_t statusline_width;
77 /* Event-Watchers, to interact with the user */
83 /* The name of current binding mode */
86 /* Indicates whether a new binding mode was recently activated */
87 bool activated_mode = false;
89 /* The parsed colors */
94 uint32_t active_ws_fg;
95 uint32_t active_ws_bg;
96 uint32_t active_ws_border;
97 uint32_t inactive_ws_fg;
98 uint32_t inactive_ws_bg;
99 uint32_t inactive_ws_border;
100 uint32_t urgent_ws_bg;
101 uint32_t urgent_ws_fg;
102 uint32_t urgent_ws_border;
103 uint32_t focus_ws_bg;
104 uint32_t focus_ws_fg;
105 uint32_t focus_ws_border;
107 struct xcb_colors_t colors;
109 /* We define xcb_request_failed as a macro to include the relevant line-number */
110 #define xcb_request_failed(cookie, err_msg) _xcb_request_failed(cookie, err_msg, __LINE__)
111 int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
112 xcb_generic_error_t *err;
113 if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
114 fprintf(stderr, "[%s:%d] ERROR: %s. X Error Code: %d\n", __FILE__, line, err_msg, err->error_code);
115 return err->error_code;
121 * Redraws the statusline to the buffer
124 void refresh_statusline(void) {
125 struct status_block *block;
127 uint32_t old_statusline_width = statusline_width;
128 statusline_width = 0;
130 /* Predict the text width of all blocks (in pixels). */
131 TAILQ_FOREACH(block, &statusline_head, blocks) {
132 if (i3string_get_num_bytes(block->full_text) == 0)
135 block->width = predict_text_width(block->full_text);
137 /* Compute offset and append for text aligment in min_width. */
138 if (block->min_width <= block->width) {
142 uint32_t padding_width = block->min_width - block->width;
143 switch (block->align) {
145 block->x_append = padding_width;
148 block->x_offset = padding_width;
151 block->x_offset = padding_width / logical_px(2);
152 block->x_append = padding_width / logical_px(2) + padding_width % logical_px(2);
157 /* If this is not the last block, add some pixels for a separator. */
158 if (TAILQ_NEXT(block, blocks) != NULL)
159 block->width += block->sep_block_width;
161 statusline_width += block->width + block->x_offset + block->x_append;
164 /* If the statusline is bigger than our screen we need to make sure that
165 * the pixmap provides enough space, so re-allocate if the width grew */
166 if (statusline_width > root_screen->width_in_pixels &&
167 statusline_width > old_statusline_width)
170 /* Clear the statusline pixmap. */
171 xcb_rectangle_t rect = {0, 0, root_screen->width_in_pixels, font.height + logical_px(5)};
172 xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_clear, 1, &rect);
174 /* Draw the text of each block. */
176 TAILQ_FOREACH(block, &statusline_head, blocks) {
177 if (i3string_get_num_bytes(block->full_text) == 0)
180 uint32_t colorpixel = (block->color ? get_colorpixel(block->color) : colors.bar_fg);
181 set_font_colors(statusline_ctx, colorpixel, colors.bar_bg);
182 draw_text(block->full_text, statusline_pm, statusline_ctx, x + block->x_offset, 1, block->width);
183 x += block->width + block->x_offset + block->x_append;
185 if (TAILQ_NEXT(block, blocks) != NULL && !block->no_separator && block->sep_block_width > 0) {
186 /* This is not the last block, draw a separator. */
187 uint32_t sep_offset = block->sep_block_width / 2 + block->sep_block_width % 2;
188 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_LINE_WIDTH;
189 uint32_t values[] = {colors.sep_fg, colors.bar_bg, logical_px(1)};
190 xcb_change_gc(xcb_connection, statusline_ctx, mask, values);
191 xcb_poly_line(xcb_connection, XCB_COORD_MODE_ORIGIN, statusline_pm,
193 (xcb_point_t[]) {{x - sep_offset, 2},
194 {x - sep_offset, font.height - 2}});
200 * Hides all bars (unmaps them)
203 void hide_bars(void) {
204 if ((config.hide_on_modifier == M_DOCK) || (config.hidden_state == S_SHOW && config.hide_on_modifier == M_HIDE)) {
209 SLIST_FOREACH(walk, outputs, slist) {
213 xcb_unmap_window(xcb_connection, walk->bar);
219 * Unhides all bars (maps them)
222 void unhide_bars(void) {
223 if (config.hide_on_modifier != M_HIDE) {
228 xcb_void_cookie_t cookie;
234 SLIST_FOREACH(walk, outputs, slist) {
235 if (walk->bar == XCB_NONE) {
238 mask = XCB_CONFIG_WINDOW_X |
239 XCB_CONFIG_WINDOW_Y |
240 XCB_CONFIG_WINDOW_WIDTH |
241 XCB_CONFIG_WINDOW_HEIGHT |
242 XCB_CONFIG_WINDOW_STACK_MODE;
243 values[0] = walk->rect.x;
244 if (config.position == POS_TOP)
245 values[1] = walk->rect.y;
247 values[1] = walk->rect.y + walk->rect.h - bar_height;
248 values[2] = walk->rect.w;
249 values[3] = bar_height;
250 values[4] = XCB_STACK_MODE_ABOVE;
251 DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
252 cookie = xcb_configure_window_checked(xcb_connection,
257 if (xcb_request_failed(cookie, "Could not reconfigure window")) {
260 xcb_map_window(xcb_connection, walk->bar);
265 * Parse the colors into a format that we can use
268 void init_colors(const struct xcb_color_strings_t *new_colors) {
269 #define PARSE_COLOR(name, def) \
271 colors.name = get_colorpixel(new_colors->name ? new_colors->name : def); \
273 PARSE_COLOR(bar_fg, "#FFFFFF");
274 PARSE_COLOR(bar_bg, "#000000");
275 PARSE_COLOR(sep_fg, "#666666");
276 PARSE_COLOR(active_ws_fg, "#FFFFFF");
277 PARSE_COLOR(active_ws_bg, "#333333");
278 PARSE_COLOR(active_ws_border, "#333333");
279 PARSE_COLOR(inactive_ws_fg, "#888888");
280 PARSE_COLOR(inactive_ws_bg, "#222222");
281 PARSE_COLOR(inactive_ws_border, "#333333");
282 PARSE_COLOR(urgent_ws_fg, "#FFFFFF");
283 PARSE_COLOR(urgent_ws_bg, "#900000");
284 PARSE_COLOR(urgent_ws_border, "#2f343a");
285 PARSE_COLOR(focus_ws_fg, "#FFFFFF");
286 PARSE_COLOR(focus_ws_bg, "#285577");
287 PARSE_COLOR(focus_ws_border, "#4c7899");
291 xcb_flush(xcb_connection);
295 * Handle a button-press-event (i.e. a mouse click on one of our bars).
296 * We determine, whether the click occured on a ws-button or if the scroll-
297 * wheel was used and change the workspace appropriately
300 void handle_button(xcb_button_press_event_t *event) {
303 /* Determine, which bar was clicked */
305 xcb_window_t bar = event->event;
306 SLIST_FOREACH(walk, outputs, slist) {
307 if (walk->bar == bar) {
313 DLOG("Unknown Bar klicked!\n");
317 /* TODO: Move this to extern get_ws_for_output() */
318 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
319 if (cur_ws->visible) {
324 if (cur_ws == NULL) {
325 DLOG("No Workspace active?\n");
329 int32_t x = event->event_x >= 0 ? event->event_x : 0;
330 int32_t original_x = x;
332 DLOG("Got Button %d\n", event->detail);
334 if (child_want_click_events()) {
335 /* If the child asked for click events,
336 * check if a status block has been clicked. */
338 /* First calculate width of tray area */
339 trayclient *trayclient;
341 TAILQ_FOREACH_REVERSE(trayclient, walk->trayclients, tc_head, tailq) {
342 if (!trayclient->mapped)
344 tray_width += (font.height + logical_px(2));
347 int block_x = 0, last_block_x;
348 int offset = (walk->rect.w - (statusline_width + tray_width)) - logical_px(10);
350 x = original_x - offset;
352 struct status_block *block;
354 TAILQ_FOREACH(block, &statusline_head, blocks) {
355 last_block_x = block_x;
356 block_x += block->width + block->x_offset + block->x_append;
358 if (x <= block_x && x >= last_block_x) {
359 send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
367 switch (event->detail) {
369 /* Mouse wheel up. We select the previous ws, if any.
370 * If there is no more workspace, don’t even send the workspace
371 * command, otherwise (with workspace auto_back_and_forth) we’d end
372 * up on the wrong workspace. */
373 if (cur_ws == TAILQ_FIRST(walk->workspaces))
376 cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
379 /* Mouse wheel down. We select the next ws, if any.
380 * If there is no more workspace, don’t even send the workspace
381 * command, otherwise (with workspace auto_back_and_forth) we’d end
382 * up on the wrong workspace. */
383 if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head))
386 cur_ws = TAILQ_NEXT(cur_ws, tailq);
389 /* Check if this event regards a workspace button */
390 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
392 if (x >= 0 && x < cur_ws->name_width + logical_px(10)) {
395 x -= cur_ws->name_width + logical_px(11);
398 /* Otherwise, focus our currently visible workspace if it is not
400 if (cur_ws == NULL) {
401 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
402 if (cur_ws->visible && !cur_ws->focused)
407 /* if there is nothing to focus, we are done */
416 /* To properly handle workspace names with double quotes in them, we need
417 * to escape the double quotes. Unfortunately, that’s rather ugly in C: We
418 * first count the number of double quotes, then we allocate a large enough
419 * buffer, then we copy character by character. */
422 const char *utf8_name = cur_ws->canonical_name;
423 for (const char *walk = utf8_name; *walk != '\0'; walk++) {
426 /* While we’re looping through the name anyway, we can save one
431 const size_t len = namelen + strlen("workspace \"\"") + 1;
432 char *buffer = scalloc(len + num_quotes);
433 strncpy(buffer, "workspace \"", strlen("workspace \""));
434 size_t inpos, outpos;
435 for (inpos = 0, outpos = strlen("workspace \"");
438 if (utf8_name[inpos] == '"') {
439 buffer[outpos] = '\\';
442 buffer[outpos] = utf8_name[inpos];
444 buffer[outpos] = '"';
445 i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
450 * Adjusts the size of the tray window and alignment of the tray clients by
451 * configuring their respective x coordinates. To be called when mapping or
452 * unmapping a tray client window.
455 static void configure_trayclients(void) {
456 trayclient *trayclient;
458 SLIST_FOREACH(output, outputs, slist) {
463 TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
464 if (!trayclient->mapped)
468 DLOG("Configuring tray window %08x to x=%d\n",
469 trayclient->win, output->rect.w - (clients * (font.height + logical_px(2))));
470 uint32_t x = output->rect.w - (clients * (font.height + logical_px(2)));
471 xcb_configure_window(xcb_connection,
480 * Handles ClientMessages (messages sent from another client directly to us).
482 * At the moment, only the tray window will receive client messages. All
483 * supported client messages currently are _NET_SYSTEM_TRAY_OPCODE.
486 static void handle_client_message(xcb_client_message_event_t *event) {
487 if (event->type == atoms[_NET_SYSTEM_TRAY_OPCODE] &&
488 event->format == 32) {
489 DLOG("_NET_SYSTEM_TRAY_OPCODE received\n");
490 /* event->data.data32[0] is the timestamp */
491 uint32_t op = event->data.data32[1];
494 if (op == SYSTEM_TRAY_REQUEST_DOCK) {
495 xcb_window_t client = event->data.data32[2];
497 /* Listen for PropertyNotify events to get the most recent value of
498 * the XEMBED_MAPPED atom, also listen for UnmapNotify events */
499 mask = XCB_CW_EVENT_MASK;
500 values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
501 XCB_EVENT_MASK_STRUCTURE_NOTIFY;
502 xcb_change_window_attributes(xcb_connection,
507 /* Request the _XEMBED_INFO property. The XEMBED specification
508 * (which is referred by the tray specification) says this *has* to
509 * be set, but VLC does not set it… */
512 xcb_get_property_cookie_t xembedc;
513 xcb_generic_error_t *error;
514 xembedc = xcb_get_property(xcb_connection,
518 XCB_GET_PROPERTY_TYPE_ANY,
522 xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
526 ELOG("Error getting _XEMBED_INFO property: error_code %d\n",
531 if (xembedr != NULL && xembedr->length != 0) {
532 DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
533 uint32_t *xembed = xcb_get_property_value(xembedr);
534 DLOG("xembed version = %d\n", xembed[0]);
535 DLOG("xembed flags = %d\n", xembed[1]);
536 map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
537 xe_version = xembed[0];
542 ELOG("Window %08x violates the XEMBED protocol, _XEMBED_INFO not set\n", client);
545 DLOG("X window %08x requested docking\n", client);
546 i3_output *walk, *output = NULL;
547 SLIST_FOREACH(walk, outputs, slist) {
550 if (config.tray_output) {
551 if ((strcasecmp(walk->name, config.tray_output) != 0) &&
552 (!walk->primary || strcasecmp("primary", config.tray_output) != 0))
556 DLOG("using output %s\n", walk->name);
560 /* In case of tray_output == primary and there is no primary output
561 * configured, we fall back to the first available output. */
562 if (output == NULL &&
563 config.tray_output &&
564 strcasecmp("primary", config.tray_output) == 0) {
565 SLIST_FOREACH(walk, outputs, slist) {
568 DLOG("Falling back to output %s because no primary output is configured\n", walk->name);
573 if (output == NULL) {
574 ELOG("No output found\n");
577 xcb_reparent_window(xcb_connection,
580 output->rect.w - font.height - 2,
582 /* We reconfigure the window to use a reasonable size. The systray
583 * specification explicitly says:
584 * Tray icons may be assigned any size by the system tray, and
585 * should do their best to cope with any size effectively
587 mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
588 values[0] = font.height;
589 values[1] = font.height;
590 xcb_configure_window(xcb_connection,
595 /* send the XEMBED_EMBEDDED_NOTIFY message */
596 void *event = scalloc(32);
597 xcb_client_message_event_t *ev = event;
598 ev->response_type = XCB_CLIENT_MESSAGE;
600 ev->type = atoms[_XEMBED];
602 ev->data.data32[0] = XCB_CURRENT_TIME;
603 ev->data.data32[1] = atoms[XEMBED_EMBEDDED_NOTIFY];
604 ev->data.data32[2] = output->bar;
605 ev->data.data32[3] = xe_version;
606 xcb_send_event(xcb_connection,
609 XCB_EVENT_MASK_NO_EVENT,
613 /* Put the client inside the save set. Upon termination (whether
614 * killed or normal exit does not matter) of i3bar, these clients
615 * will be correctly reparented to their most closest living
616 * ancestor. Without this, tray icons might die when i3bar
618 xcb_change_save_set(xcb_connection, XCB_SET_MODE_INSERT, client);
620 trayclient *tc = smalloc(sizeof(trayclient));
622 tc->xe_version = xe_version;
624 TAILQ_INSERT_TAIL(output->trayclients, tc, tailq);
627 DLOG("Mapping dock client\n");
628 xcb_map_window(xcb_connection, client);
630 DLOG("Not mapping dock client yet\n");
632 /* Trigger an update to copy the statusline text to the appropriate
634 configure_trayclients();
641 * Handles DestroyNotify events by removing the tray client from the data
642 * structure. According to the XEmbed protocol, this is one way for a tray
643 * client to finish the protocol. After this event is received, there is no
644 * further interaction with the tray client.
646 * See: http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
649 static void handle_destroy_notify(xcb_destroy_notify_event_t *event) {
650 DLOG("DestroyNotify for window = %08x, event = %08x\n", event->window, event->event);
653 SLIST_FOREACH(walk, outputs, slist) {
656 DLOG("checking output %s\n", walk->name);
657 trayclient *trayclient;
658 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
659 if (trayclient->win != event->window)
662 DLOG("Removing tray client with window ID %08x\n", event->window);
663 TAILQ_REMOVE(walk->trayclients, trayclient, tailq);
665 /* Trigger an update, we now have more space for the statusline */
666 configure_trayclients();
674 * Handles MapNotify events. These events happen when a tray client shows its
675 * window. We respond by realigning the tray clients.
678 static void handle_map_notify(xcb_map_notify_event_t *event) {
679 DLOG("MapNotify for window = %08x, event = %08x\n", event->window, event->event);
682 SLIST_FOREACH(walk, outputs, slist) {
685 DLOG("checking output %s\n", walk->name);
686 trayclient *trayclient;
687 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
688 if (trayclient->win != event->window)
691 DLOG("Tray client mapped (window ID %08x). Adjusting tray.\n", event->window);
692 trayclient->mapped = true;
694 /* Trigger an update, we now have more space for the statusline */
695 configure_trayclients();
702 * Handles UnmapNotify events. These events happen when a tray client hides its
703 * window. We respond by realigning the tray clients.
706 static void handle_unmap_notify(xcb_unmap_notify_event_t *event) {
707 DLOG("UnmapNotify for window = %08x, event = %08x\n", event->window, event->event);
710 SLIST_FOREACH(walk, outputs, slist) {
713 DLOG("checking output %s\n", walk->name);
714 trayclient *trayclient;
715 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
716 if (trayclient->win != event->window)
719 DLOG("Tray client unmapped (window ID %08x). Adjusting tray.\n", event->window);
720 trayclient->mapped = false;
722 /* Trigger an update, we now have more space for the statusline */
723 configure_trayclients();
731 * Handle PropertyNotify messages. Currently only the _XEMBED_INFO property is
732 * handled, which tells us whether a dock client should be mapped or unmapped.
735 static void handle_property_notify(xcb_property_notify_event_t *event) {
736 DLOG("PropertyNotify\n");
737 if (event->atom == atoms[_XEMBED_INFO] &&
738 event->state == XCB_PROPERTY_NEW_VALUE) {
739 DLOG("xembed_info updated\n");
740 trayclient *trayclient = NULL, *walk;
742 SLIST_FOREACH(o_walk, outputs, slist) {
746 TAILQ_FOREACH(walk, o_walk->trayclients, tailq) {
747 if (walk->win != event->window)
757 ELOG("PropertyNotify received for unknown window %08x\n",
761 xcb_get_property_cookie_t xembedc;
762 xembedc = xcb_get_property_unchecked(xcb_connection,
766 XCB_GET_PROPERTY_TYPE_ANY,
770 xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
773 if (xembedr == NULL || xembedr->length == 0) {
774 DLOG("xembed_info unset\n");
778 DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
779 uint32_t *xembed = xcb_get_property_value(xembedr);
780 DLOG("xembed version = %d\n", xembed[0]);
781 DLOG("xembed flags = %d\n", xembed[1]);
782 bool map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
783 DLOG("map-state now %d\n", map_it);
784 if (trayclient->mapped && !map_it) {
785 /* need to unmap the window */
786 xcb_unmap_window(xcb_connection, trayclient->win);
787 } else if (!trayclient->mapped && map_it) {
788 /* need to map the window */
789 xcb_map_window(xcb_connection, trayclient->win);
796 * Handle ConfigureRequests by denying them and sending the client a
797 * ConfigureNotify with its actual size.
800 static void handle_configure_request(xcb_configure_request_event_t *event) {
801 DLOG("ConfigureRequest for window = %08x\n", event->window);
803 trayclient *trayclient;
805 SLIST_FOREACH(output, outputs, slist) {
810 TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
811 if (!trayclient->mapped)
815 if (trayclient->win != event->window)
818 xcb_rectangle_t rect;
819 rect.x = output->rect.w - (clients * (font.height + 2));
821 rect.width = font.height;
822 rect.height = font.height;
824 DLOG("This is a tray window. x = %d\n", rect.x);
825 fake_configure_notify(xcb_connection, rect, event->window, 0);
830 DLOG("WARNING: Could not find corresponding tray window.\n");
834 * This function is called immediately before the main loop locks. We flush xcb
835 * then (and only then)
838 void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) {
839 xcb_flush(xcb_connection);
843 * This function is called immediately after the main loop locks, so when one
844 * of the watchers registered an event.
845 * We check whether an X-Event arrived and handle it.
848 void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
849 xcb_generic_event_t *event;
851 if (xcb_connection_has_error(xcb_connection)) {
852 ELOG("X11 connection was closed unexpectedly - maybe your X server terminated / crashed?\n");
856 while ((event = xcb_poll_for_event(xcb_connection)) != NULL) {
857 switch (event->response_type & ~0x80) {
859 /* Expose-events happen, when the window needs to be redrawn */
862 case XCB_BUTTON_PRESS:
863 /* Button-press-events are mouse-buttons clicked on one of our bars */
864 handle_button((xcb_button_press_event_t *)event);
866 case XCB_CLIENT_MESSAGE:
867 /* Client messages are used for client-to-client communication, for
868 * example system tray widgets talk to us directly via client messages. */
869 handle_client_message((xcb_client_message_event_t *)event);
871 case XCB_DESTROY_NOTIFY:
872 /* DestroyNotify signifies the end of the XEmbed protocol */
873 handle_destroy_notify((xcb_destroy_notify_event_t *)event);
875 case XCB_UNMAP_NOTIFY:
876 /* UnmapNotify is received when a tray client hides its window. */
877 handle_unmap_notify((xcb_unmap_notify_event_t *)event);
880 handle_map_notify((xcb_map_notify_event_t *)event);
882 case XCB_PROPERTY_NOTIFY:
884 handle_property_notify((xcb_property_notify_event_t *)event);
886 case XCB_CONFIGURE_REQUEST:
887 /* ConfigureRequest, sent by a tray child */
888 handle_configure_request((xcb_configure_request_event_t *)event);
896 * Dummy Callback. We only need this, so that the Prepare- and Check-Watchers
900 void xcb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
904 * We need to bind to the modifier per XKB. Sadly, XCB does not implement this
907 void xkb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
911 DLOG("Got XKB-Event!\n");
913 while (XPending(xkb_dpy)) {
914 XNextEvent(xkb_dpy, (XEvent *)&ev);
916 if (ev.type != xkb_event_base) {
917 ELOG("No Xkb-Event!\n");
921 if (ev.any.xkb_type != XkbStateNotify) {
922 ELOG("No State Notify!\n");
926 unsigned int mods = ev.state.mods;
927 modstate = mods & config.modifier;
930 #define DLOGMOD(modmask, status) \
934 DLOG("ShiftMask got " #status "!\n"); \
937 DLOG("ControlMask got " #status "!\n"); \
940 DLOG("Mod1Mask got " #status "!\n"); \
943 DLOG("Mod2Mask got " #status "!\n"); \
946 DLOG("Mod3Mask got " #status "!\n"); \
949 DLOG("Mod4Mask got " #status "!\n"); \
952 DLOG("Mod5Mask got " #status "!\n"); \
957 if (modstate != mod_pressed) {
959 DLOGMOD(config.modifier, released);
963 DLOGMOD(config.modifier, pressed);
964 activated_mode = false;
967 mod_pressed = modstate;
974 * Early initialization of the connection to X11: Everything which does not
975 * depend on 'config'.
978 char *init_xcb_early() {
979 /* FIXME: xcb_connect leaks Memory */
980 xcb_connection = xcb_connect(NULL, &screen);
981 if (xcb_connection_has_error(xcb_connection)) {
982 ELOG("Cannot open display\n");
985 conn = xcb_connection;
986 DLOG("Connected to xcb\n");
988 /* We have to request the atoms we need */
989 #define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
990 #include "xcb_atoms.def"
992 root_screen = xcb_aux_get_screen(xcb_connection, screen);
993 xcb_root = root_screen->root;
995 /* We draw the statusline to a seperate pixmap, because it looks the same on all bars and
996 * this way, we can choose to crop it */
997 uint32_t mask = XCB_GC_FOREGROUND;
998 uint32_t vals[] = {colors.bar_bg, colors.bar_bg};
1000 statusline_clear = xcb_generate_id(xcb_connection);
1001 xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1007 statusline_ctx = xcb_generate_id(xcb_connection);
1008 xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1014 statusline_pm = xcb_generate_id(xcb_connection);
1015 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1016 root_screen->root_depth,
1019 root_screen->width_in_pixels,
1020 root_screen->height_in_pixels);
1022 /* The various Watchers to communicate with xcb */
1023 xcb_io = smalloc(sizeof(ev_io));
1024 xcb_prep = smalloc(sizeof(ev_prepare));
1025 xcb_chk = smalloc(sizeof(ev_check));
1027 ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
1028 ev_prepare_init(xcb_prep, &xcb_prep_cb);
1029 ev_check_init(xcb_chk, &xcb_chk_cb);
1031 ev_io_start(main_loop, xcb_io);
1032 ev_prepare_start(main_loop, xcb_prep);
1033 ev_check_start(main_loop, xcb_chk);
1035 /* Now we get the atoms and save them in a nice data structure */
1038 char *path = root_atom_contents("I3_SOCKET_PATH", xcb_connection, screen);
1040 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
1041 xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
1042 xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
1050 * Register for xkb keyevents. To grab modifiers without blocking other applications from receiving key-events
1051 * involving that modifier, we sadly have to use xkb which is not yet fully supported
1055 void register_xkb_keyevents() {
1056 if (xkb_dpy == NULL) {
1057 int xkb_major, xkb_minor, xkb_errbase, xkb_err;
1058 xkb_major = XkbMajorVersion;
1059 xkb_minor = XkbMinorVersion;
1061 xkb_dpy = XkbOpenDisplay(NULL,
1068 if (xkb_dpy == NULL) {
1073 if (fcntl(ConnectionNumber(xkb_dpy), F_SETFD, FD_CLOEXEC) == -1) {
1074 ELOG("Could not set FD_CLOEXEC on xkbdpy: %s\n", strerror(errno));
1079 if (!XkbQueryExtension(xkb_dpy, &i1, &xkb_event_base, &xkb_errbase, &xkb_major, &xkb_minor)) {
1080 ELOG("XKB not supported by X-server!\n");
1084 if (!XkbSelectEvents(xkb_dpy, XkbUseCoreKbd, XkbStateNotifyMask, XkbStateNotifyMask)) {
1085 ELOG("Could not grab Key!\n");
1089 xkb_io = smalloc(sizeof(ev_io));
1090 ev_io_init(xkb_io, &xkb_io_cb, ConnectionNumber(xkb_dpy), EV_READ);
1091 ev_io_start(main_loop, xkb_io);
1097 * Deregister from xkb keyevents.
1100 void deregister_xkb_keyevents() {
1101 if (xkb_dpy != NULL) {
1102 ev_io_stop(main_loop, xkb_io);
1103 XCloseDisplay(xkb_dpy);
1111 * Initialization which depends on 'config' being usable. Called after the
1112 * configuration has arrived.
1115 void init_xcb_late(char *fontname) {
1116 if (fontname == NULL)
1117 fontname = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
1120 font = load_font(fontname, true);
1122 DLOG("Calculated Font-height: %d\n", font.height);
1123 bar_height = font.height + logical_px(6);
1125 xcb_flush(xcb_connection);
1127 if (config.hide_on_modifier == M_HIDE)
1128 register_xkb_keyevents();
1132 * Inform clients waiting for a new _NET_SYSTEM_TRAY that we took the
1136 static void send_tray_clientmessage(void) {
1137 uint8_t buffer[32] = {0};
1138 xcb_client_message_event_t *ev = (xcb_client_message_event_t *)buffer;
1140 ev->response_type = XCB_CLIENT_MESSAGE;
1141 ev->window = xcb_root;
1142 ev->type = atoms[MANAGER];
1144 ev->data.data32[0] = XCB_CURRENT_TIME;
1145 ev->data.data32[1] = tray_reply->atom;
1146 ev->data.data32[2] = selwin;
1148 xcb_send_event(xcb_connection,
1156 * Initializes tray support by requesting the appropriate _NET_SYSTEM_TRAY atom
1157 * for the X11 display we are running on, then acquiring the selection for this
1158 * atom. Afterwards, tray clients will send ClientMessages to our window.
1161 void init_tray(void) {
1162 DLOG("Initializing system tray functionality\n");
1163 /* request the tray manager atom for the X11 display we are running on */
1164 char atomname[strlen("_NET_SYSTEM_TRAY_S") + 11];
1165 snprintf(atomname, strlen("_NET_SYSTEM_TRAY_S") + 11, "_NET_SYSTEM_TRAY_S%d", screen);
1166 xcb_intern_atom_cookie_t tray_cookie;
1167 if (tray_reply == NULL)
1168 tray_cookie = xcb_intern_atom(xcb_connection, 0, strlen(atomname), atomname);
1170 /* tray support: we need a window to own the selection */
1171 selwin = xcb_generate_id(xcb_connection);
1172 uint32_t selmask = XCB_CW_OVERRIDE_REDIRECT;
1173 uint32_t selval[] = {1};
1174 xcb_create_window(xcb_connection,
1175 root_screen->root_depth,
1181 XCB_WINDOW_CLASS_INPUT_OUTPUT,
1182 root_screen->root_visual,
1186 uint32_t orientation = _NET_SYSTEM_TRAY_ORIENTATION_HORZ;
1188 xcb_change_property(xcb_connection,
1189 XCB_PROP_MODE_REPLACE,
1191 atoms[_NET_SYSTEM_TRAY_ORIENTATION],
1199 if (tray_reply == NULL) {
1200 if (!(tray_reply = xcb_intern_atom_reply(xcb_connection, tray_cookie, NULL))) {
1201 ELOG("Could not get atom %s\n", atomname);
1206 xcb_set_selection_owner(xcb_connection,
1211 /* Verify that we have the selection */
1212 xcb_get_selection_owner_cookie_t selcookie;
1213 xcb_get_selection_owner_reply_t *selreply;
1215 selcookie = xcb_get_selection_owner(xcb_connection, tray_reply->atom);
1216 if (!(selreply = xcb_get_selection_owner_reply(xcb_connection, selcookie, NULL))) {
1217 ELOG("Could not get selection owner for %s\n", atomname);
1221 if (selreply->owner != selwin) {
1222 ELOG("Could not set the %s selection. "
1223 "Maybe another tray is already running?\n",
1225 /* NOTE that this error is not fatal. We just can’t provide tray
1231 send_tray_clientmessage();
1235 * We need to set the _NET_SYSTEM_TRAY_COLORS atom on the tray selection window
1236 * to make GTK+ 3 applets with Symbolic Icons visible. If the colors are unset,
1237 * they assume a light background.
1238 * See also https://bugzilla.gnome.org/show_bug.cgi?id=679591
1241 void init_tray_colors(void) {
1242 /* Convert colors.bar_fg (#rrggbb) to 16-bit RGB */
1243 const char *bar_fg = (config.colors.bar_fg ? config.colors.bar_fg : "#FFFFFF");
1245 DLOG("Setting bar_fg = %s as _NET_SYSTEM_TRAY_COLORS\n", bar_fg);
1247 char strgroups[3][3] = {{bar_fg[1], bar_fg[2], '\0'},
1248 {bar_fg[3], bar_fg[4], '\0'},
1249 {bar_fg[5], bar_fg[6], '\0'}};
1250 const uint8_t r = strtol(strgroups[0], NULL, 16);
1251 const uint8_t g = strtol(strgroups[1], NULL, 16);
1252 const uint8_t b = strtol(strgroups[2], NULL, 16);
1254 const uint16_t r16 = ((uint16_t)r << 8) | r;
1255 const uint16_t g16 = ((uint16_t)g << 8) | g;
1256 const uint16_t b16 = ((uint16_t)b << 8) | b;
1258 const uint32_t tray_colors[12] = {
1259 r16, g16, b16, /* foreground color */
1260 r16, g16, b16, /* error color */
1261 r16, g16, b16, /* warning color */
1262 r16, g16, b16, /* success color */
1265 xcb_change_property(xcb_connection,
1266 XCB_PROP_MODE_REPLACE,
1268 atoms[_NET_SYSTEM_TRAY_COLORS],
1276 * Cleanup the xcb-stuff.
1277 * Called once, before the program terminates.
1280 void clean_xcb(void) {
1283 SLIST_FOREACH(o_walk, outputs, slist) {
1284 destroy_window(o_walk);
1285 FREE(o_walk->trayclients);
1286 FREE(o_walk->workspaces);
1289 FREE_SLIST(outputs, i3_output);
1292 xcb_flush(xcb_connection);
1293 xcb_disconnect(xcb_connection);
1295 ev_check_stop(main_loop, xcb_chk);
1296 ev_prepare_stop(main_loop, xcb_prep);
1297 ev_io_stop(main_loop, xcb_io);
1305 * Get the earlier requested atoms and save them in the prepared data structure
1308 void get_atoms(void) {
1309 xcb_intern_atom_reply_t *reply;
1310 #define ATOM_DO(name) \
1311 reply = xcb_intern_atom_reply(xcb_connection, atom_cookies[name], NULL); \
1312 if (reply == NULL) { \
1313 ELOG("Could not get atom %s\n", #name); \
1314 exit(EXIT_FAILURE); \
1316 atoms[name] = reply->atom; \
1319 #include "xcb_atoms.def"
1320 DLOG("Got Atoms\n");
1324 * Reparents all tray clients of the specified output to the root window. This
1325 * is either used when shutting down, when an output appears (xrandr --output
1326 * VGA1 --off) or when the primary output changes.
1328 * Applications using the tray will start the protocol from the beginning again
1332 void kick_tray_clients(i3_output *output) {
1333 if (TAILQ_EMPTY(output->trayclients))
1336 trayclient *trayclient;
1337 while (!TAILQ_EMPTY(output->trayclients)) {
1338 trayclient = TAILQ_FIRST(output->trayclients);
1339 /* Unmap, then reparent (to root) the tray client windows */
1340 xcb_unmap_window(xcb_connection, trayclient->win);
1341 xcb_reparent_window(xcb_connection,
1347 /* We remove the trayclient right here. We might receive an UnmapNotify
1348 * event afterwards, but better safe than sorry. */
1349 TAILQ_REMOVE(output->trayclients, trayclient, tailq);
1352 /* Fake a DestroyNotify so that Qt re-adds tray icons.
1353 * We cannot actually destroy the window because then Qt will not restore
1354 * its event mask on the new window. */
1355 uint8_t buffer[32] = {0};
1356 xcb_destroy_notify_event_t *event = (xcb_destroy_notify_event_t *)buffer;
1358 event->response_type = XCB_DESTROY_NOTIFY;
1359 event->event = selwin;
1360 event->window = selwin;
1362 xcb_send_event(conn, false, selwin, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char *)event);
1364 send_tray_clientmessage();
1368 * Destroy the bar of the specified output
1371 void destroy_window(i3_output *output) {
1372 if (output == NULL) {
1375 if (output->bar == XCB_NONE) {
1379 kick_tray_clients(output);
1380 xcb_destroy_window(xcb_connection, output->bar);
1381 output->bar = XCB_NONE;
1385 * Reallocate the statusline-buffer
1388 void realloc_sl_buffer(void) {
1389 DLOG("Re-allocating statusline-buffer, statusline_width = %d, root_screen->width_in_pixels = %d\n",
1390 statusline_width, root_screen->width_in_pixels);
1391 xcb_free_pixmap(xcb_connection, statusline_pm);
1392 statusline_pm = xcb_generate_id(xcb_connection);
1393 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1394 root_screen->root_depth,
1397 MAX(root_screen->width_in_pixels, statusline_width),
1400 uint32_t mask = XCB_GC_FOREGROUND;
1401 uint32_t vals[2] = {colors.bar_bg, colors.bar_bg};
1402 xcb_free_gc(xcb_connection, statusline_clear);
1403 statusline_clear = xcb_generate_id(xcb_connection);
1404 xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1410 mask |= XCB_GC_BACKGROUND;
1411 vals[0] = colors.bar_fg;
1412 xcb_free_gc(xcb_connection, statusline_ctx);
1413 statusline_ctx = xcb_generate_id(xcb_connection);
1414 xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1420 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
1421 xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
1422 xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
1428 * Reconfigure all bars and create new bars for recently activated outputs
1431 void reconfig_windows(bool redraw_bars) {
1434 static bool tray_configured = false;
1437 SLIST_FOREACH(walk, outputs, slist) {
1438 if (!walk->active) {
1439 /* If an output is not active, we destroy its bar */
1440 /* FIXME: Maybe we rather want to unmap? */
1441 DLOG("Destroying window for output %s\n", walk->name);
1442 destroy_window(walk);
1445 if (walk->bar == XCB_NONE) {
1446 DLOG("Creating Window for output %s\n", walk->name);
1448 walk->bar = xcb_generate_id(xcb_connection);
1449 walk->buffer = xcb_generate_id(xcb_connection);
1450 mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
1451 /* Black background */
1452 values[0] = colors.bar_bg;
1453 /* If hide_on_modifier is set to hide or invisible mode, i3 is not supposed to manage our bar-windows */
1454 values[1] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
1455 /* We enable the following EventMask fields:
1456 * EXPOSURE, to get expose events (we have to re-draw then)
1457 * SUBSTRUCTURE_REDIRECT, to get ConfigureRequests when the tray
1458 * child windows use ConfigureWindow
1459 * BUTTON_PRESS, to handle clicks on the workspace buttons
1461 values[2] = XCB_EVENT_MASK_EXPOSURE |
1462 XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
1463 if (!config.disable_ws) {
1464 values[2] |= XCB_EVENT_MASK_BUTTON_PRESS;
1466 xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
1467 root_screen->root_depth,
1470 walk->rect.x, walk->rect.y + walk->rect.h - bar_height,
1471 walk->rect.w, bar_height,
1473 XCB_WINDOW_CLASS_INPUT_OUTPUT,
1474 root_screen->root_visual,
1478 /* The double-buffer we use to render stuff off-screen */
1479 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1480 root_screen->root_depth,
1486 /* Set the WM_CLASS and WM_NAME (we don't need UTF-8) atoms */
1487 xcb_void_cookie_t class_cookie;
1488 class_cookie = xcb_change_property(xcb_connection,
1489 XCB_PROP_MODE_REPLACE,
1494 (strlen("i3bar") + 1) * 2,
1498 if (asprintf(&name, "i3bar for output %s", walk->name) == -1)
1499 err(EXIT_FAILURE, "asprintf()");
1500 xcb_void_cookie_t name_cookie;
1501 name_cookie = xcb_change_property(xcb_connection,
1502 XCB_PROP_MODE_REPLACE,
1511 /* We want dock-windows (for now). When override_redirect is set, i3 is ignoring
1513 xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection,
1514 XCB_PROP_MODE_REPLACE,
1516 atoms[_NET_WM_WINDOW_TYPE],
1520 (unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
1522 /* We need to tell i3, where to reserve space for i3bar */
1523 /* left, right, top, bottom, left_start_y, left_end_y,
1524 * right_start_y, right_end_y, top_start_x, top_end_x, bottom_start_x,
1526 /* A local struct to save the strut_partial property */
1532 uint32_t left_start_y;
1533 uint32_t left_end_y;
1534 uint32_t right_start_y;
1535 uint32_t right_end_y;
1536 uint32_t top_start_x;
1538 uint32_t bottom_start_x;
1539 uint32_t bottom_end_x;
1540 } __attribute__((__packed__)) strut_partial;
1541 memset(&strut_partial, 0, sizeof(strut_partial));
1543 switch (config.position) {
1547 strut_partial.top = bar_height;
1548 strut_partial.top_start_x = walk->rect.x;
1549 strut_partial.top_end_x = walk->rect.x + walk->rect.w;
1552 strut_partial.bottom = bar_height;
1553 strut_partial.bottom_start_x = walk->rect.x;
1554 strut_partial.bottom_end_x = walk->rect.x + walk->rect.w;
1557 xcb_void_cookie_t strut_cookie = xcb_change_property(xcb_connection,
1558 XCB_PROP_MODE_REPLACE,
1560 atoms[_NET_WM_STRUT_PARTIAL],
1566 /* We also want a graphics-context for the bars (it defines the properties
1567 * with which we draw to them) */
1568 walk->bargc = xcb_generate_id(xcb_connection);
1569 xcb_void_cookie_t gc_cookie = xcb_create_gc_checked(xcb_connection,
1575 /* We finally map the bar (display it on screen), unless the modifier-switch is on */
1576 xcb_void_cookie_t map_cookie;
1577 if (config.hide_on_modifier == M_DOCK) {
1578 map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
1581 if (xcb_request_failed(win_cookie, "Could not create window") ||
1582 xcb_request_failed(pm_cookie, "Could not create pixmap") ||
1583 xcb_request_failed(dock_cookie, "Could not set dock mode") ||
1584 xcb_request_failed(class_cookie, "Could not set WM_CLASS") ||
1585 xcb_request_failed(name_cookie, "Could not set WM_NAME") ||
1586 xcb_request_failed(strut_cookie, "Could not set strut") ||
1587 xcb_request_failed(gc_cookie, "Could not create graphical context") ||
1588 ((config.hide_on_modifier == M_DOCK) && xcb_request_failed(map_cookie, "Could not map window"))) {
1592 const char *tray_output = (config.tray_output ? config.tray_output : SLIST_FIRST(outputs)->name);
1593 if (!tray_configured && strcasecmp(tray_output, "none") != 0) {
1594 /* Configuration sanity check: ensure this i3bar instance handles the output on
1595 * which the tray should appear (e.g. don’t initialize a tray if tray_output ==
1596 * VGA-1 but output == [HDMI-1]).
1599 SLIST_FOREACH(output, outputs, slist) {
1600 if (strcasecmp(output->name, tray_output) == 0 ||
1601 (strcasecmp(tray_output, "primary") == 0 && output->primary)) {
1606 tray_configured = true;
1609 /* We already have a bar, so we just reconfigure it */
1610 mask = XCB_CONFIG_WINDOW_X |
1611 XCB_CONFIG_WINDOW_Y |
1612 XCB_CONFIG_WINDOW_WIDTH |
1613 XCB_CONFIG_WINDOW_HEIGHT |
1614 XCB_CONFIG_WINDOW_STACK_MODE;
1615 values[0] = walk->rect.x;
1616 values[1] = walk->rect.y + walk->rect.h - bar_height;
1617 values[2] = walk->rect.w;
1618 values[3] = bar_height;
1619 values[4] = XCB_STACK_MODE_ABOVE;
1621 DLOG("Destroying buffer for output %s\n", walk->name);
1622 xcb_free_pixmap(xcb_connection, walk->buffer);
1624 DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
1625 xcb_void_cookie_t cfg_cookie = xcb_configure_window_checked(xcb_connection,
1630 mask = XCB_CW_OVERRIDE_REDIRECT;
1631 values[0] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
1632 DLOG("Changing Window attribute override_redirect for output %s to %d\n", walk->name, values[0]);
1633 xcb_void_cookie_t chg_cookie = xcb_change_window_attributes(xcb_connection,
1638 DLOG("Recreating buffer for output %s\n", walk->name);
1639 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1640 root_screen->root_depth,
1646 xcb_void_cookie_t map_cookie, umap_cookie;
1648 /* Unmap the window, and draw it again when in dock mode */
1649 umap_cookie = xcb_unmap_window_checked(xcb_connection, walk->bar);
1650 if (config.hide_on_modifier == M_DOCK) {
1652 map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
1657 if (config.hide_on_modifier == M_HIDE) {
1658 /* Switching to hide mode, register for keyevents */
1659 register_xkb_keyevents();
1661 /* Switching to dock/invisible mode, deregister from keyevents */
1662 deregister_xkb_keyevents();
1666 if (xcb_request_failed(cfg_cookie, "Could not reconfigure window") ||
1667 xcb_request_failed(chg_cookie, "Could not change window") ||
1668 xcb_request_failed(pm_cookie, "Could not create pixmap") ||
1669 (redraw_bars && (xcb_request_failed(umap_cookie, "Could not unmap window") ||
1670 (config.hide_on_modifier == M_DOCK && xcb_request_failed(map_cookie, "Could not map window"))))) {
1678 * Render the bars, with buttons and statusline
1681 void draw_bars(bool unhide) {
1682 DLOG("Drawing Bars...\n");
1685 refresh_statusline();
1687 i3_output *outputs_walk;
1688 SLIST_FOREACH(outputs_walk, outputs, slist) {
1689 if (!outputs_walk->active) {
1690 DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
1693 if (outputs_walk->bar == XCB_NONE) {
1694 /* Oh shit, an active output without an own bar. Create it now! */
1695 reconfig_windows(false);
1697 /* First things first: clear the backbuffer */
1698 uint32_t color = colors.bar_bg;
1699 xcb_change_gc(xcb_connection,
1700 outputs_walk->bargc,
1703 xcb_rectangle_t rect = {0, 0, outputs_walk->rect.w, bar_height};
1704 xcb_poly_fill_rectangle(xcb_connection,
1705 outputs_walk->buffer,
1706 outputs_walk->bargc,
1710 if (!TAILQ_EMPTY(&statusline_head)) {
1711 DLOG("Printing statusline!\n");
1713 /* Luckily we already prepared a seperate pixmap containing the rendered
1714 * statusline, we just have to copy the relevant parts to the relevant
1716 trayclient *trayclient;
1718 TAILQ_FOREACH(trayclient, outputs_walk->trayclients, tailq) {
1719 if (!trayclient->mapped)
1721 /* We assume the tray icons are quadratic (we use the font
1722 * *height* as *width* of the icons) because we configured them
1724 traypx += font.height + 2;
1726 /* Add 2px of padding if there are any tray icons */
1729 xcb_copy_area(xcb_connection,
1731 outputs_walk->buffer,
1732 outputs_walk->bargc,
1733 MAX(0, (int16_t)(statusline_width - outputs_walk->rect.w + 4)), 0,
1734 MAX(0, (int16_t)(outputs_walk->rect.w - statusline_width - traypx - 4)), 3,
1735 MIN(outputs_walk->rect.w - traypx - 4, (int)statusline_width), font.height + 2);
1738 if (!config.disable_ws) {
1740 TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
1741 DLOG("Drawing Button for WS %s at x = %d, len = %d\n",
1742 i3string_as_utf8(ws_walk->name), i, ws_walk->name_width);
1743 uint32_t fg_color = colors.inactive_ws_fg;
1744 uint32_t bg_color = colors.inactive_ws_bg;
1745 uint32_t border_color = colors.inactive_ws_border;
1746 if (ws_walk->visible) {
1747 if (!ws_walk->focused) {
1748 fg_color = colors.active_ws_fg;
1749 bg_color = colors.active_ws_bg;
1750 border_color = colors.active_ws_border;
1752 fg_color = colors.focus_ws_fg;
1753 bg_color = colors.focus_ws_bg;
1754 border_color = colors.focus_ws_border;
1757 if (ws_walk->urgent) {
1758 DLOG("WS %s is urgent!\n", i3string_as_utf8(ws_walk->name));
1759 fg_color = colors.urgent_ws_fg;
1760 bg_color = colors.urgent_ws_bg;
1761 border_color = colors.urgent_ws_border;
1764 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
1765 uint32_t vals_border[] = {border_color, border_color};
1766 xcb_change_gc(xcb_connection,
1767 outputs_walk->bargc,
1770 xcb_rectangle_t rect_border = {i,
1772 ws_walk->name_width + logical_px(10),
1773 font.height + logical_px(4)};
1774 xcb_poly_fill_rectangle(xcb_connection,
1775 outputs_walk->buffer,
1776 outputs_walk->bargc,
1779 uint32_t vals[] = {bg_color, bg_color};
1780 xcb_change_gc(xcb_connection,
1781 outputs_walk->bargc,
1784 xcb_rectangle_t rect = {i + logical_px(1),
1786 ws_walk->name_width + logical_px(8),
1787 font.height + logical_px(2)};
1788 xcb_poly_fill_rectangle(xcb_connection,
1789 outputs_walk->buffer,
1790 outputs_walk->bargc,
1793 set_font_colors(outputs_walk->bargc, fg_color, bg_color);
1794 draw_text(ws_walk->name, outputs_walk->buffer, outputs_walk->bargc,
1795 i + logical_px(5), 3 * logical_px(1), ws_walk->name_width);
1796 i += logical_px(10) + ws_walk->name_width + logical_px(1);
1800 if (binding.name && !config.disable_binding_mode_indicator) {
1801 uint32_t fg_color = colors.urgent_ws_fg;
1802 uint32_t bg_color = colors.urgent_ws_bg;
1803 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
1805 uint32_t vals_border[] = {colors.urgent_ws_border, colors.urgent_ws_border};
1806 xcb_change_gc(xcb_connection,
1807 outputs_walk->bargc,
1810 xcb_rectangle_t rect_border = {i, 1, binding.width + 10, font.height + 4};
1811 xcb_poly_fill_rectangle(xcb_connection,
1812 outputs_walk->buffer,
1813 outputs_walk->bargc,
1817 uint32_t vals[] = {bg_color, bg_color};
1818 xcb_change_gc(xcb_connection,
1819 outputs_walk->bargc,
1822 xcb_rectangle_t rect = {i + 1, 2, binding.width + 8, font.height + 2};
1823 xcb_poly_fill_rectangle(xcb_connection,
1824 outputs_walk->buffer,
1825 outputs_walk->bargc,
1829 set_font_colors(outputs_walk->bargc, fg_color, bg_color);
1830 draw_text(binding.name, outputs_walk->buffer, outputs_walk->bargc, i + 5, 3, binding.width);
1838 /* Assure the bar is hidden/unhidden according to the specified hidden_state and mode */
1840 config.hidden_state == S_SHOW ||
1843 } else if (config.hide_on_modifier == M_HIDE) {
1851 * Redraw the bars, i.e. simply copy the buffer to the barwindow
1854 void redraw_bars(void) {
1855 i3_output *outputs_walk;
1856 SLIST_FOREACH(outputs_walk, outputs, slist) {
1857 if (!outputs_walk->active) {
1860 xcb_copy_area(xcb_connection,
1861 outputs_walk->buffer,
1863 outputs_walk->bargc,
1866 outputs_walk->rect.w,
1867 outputs_walk->rect.h);
1868 xcb_flush(xcb_connection);
1873 * Set the current binding mode
1876 void set_current_mode(struct mode *current) {
1877 I3STRING_FREE(binding.name);
1879 activated_mode = binding.name != NULL;