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
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>
37 /* We save the Atoms in an easy to access array, indexed by an enum */
39 #define ATOM_DO(name) name,
40 #include "xcb_atoms.def"
44 xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
45 xcb_atom_t atoms[NUM_ATOMS];
47 /* Variables, that are the same for all functions at all times */
48 xcb_connection_t *xcb_connection;
50 xcb_screen_t *root_screen;
51 xcb_window_t xcb_root;
53 /* selection window for tray support */
54 static xcb_window_t selwin = XCB_NONE;
55 static xcb_intern_atom_reply_t *tray_reply = NULL;
57 /* This is needed for integration with libi3 */
58 xcb_connection_t *conn;
60 /* The font we'll use */
63 /* Overall height of the bar (based on font size) */
66 /* 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 statusline_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, bar_height};
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)
181 /* If this block is urgent, draw it with the defined color and border. */
183 fg_color = colors.urgent_ws_fg;
185 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
187 /* Draw the background */
188 uint32_t bg_color = colors.urgent_ws_bg;
189 uint32_t bg_values[] = { bg_color, bg_color };
190 xcb_change_gc(xcb_connection, statusline_ctx, mask, bg_values);
192 /* The urgent background “overshoots” by 2 px so that the text that
193 * is printed onto it will not be look so cut off. */
194 xcb_rectangle_t bg_rect = { x - logical_px(2), 0, block->width + logical_px(4), bar_height };
195 xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_ctx, 1, &bg_rect);
197 fg_color = (block->color ? get_colorpixel(block->color) : colors.bar_fg);
200 set_font_colors(statusline_ctx, fg_color, colors.bar_bg);
201 draw_text(block->full_text, statusline_pm, statusline_ctx, x + block->x_offset, 3, block->width);
202 x += block->width + block->sep_block_width + block->x_offset + block->x_append;
204 if (TAILQ_NEXT(block, blocks) != NULL && !block->no_separator && block->sep_block_width > 0) {
205 /* This is not the last block, draw a separator. */
206 uint32_t sep_offset = block->sep_block_width / 2 + block->sep_block_width % 2;
207 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_LINE_WIDTH;
208 uint32_t values[] = {colors.sep_fg, colors.bar_bg, logical_px(1)};
209 xcb_change_gc(xcb_connection, statusline_ctx, mask, values);
210 xcb_poly_line(xcb_connection, XCB_COORD_MODE_ORIGIN, statusline_pm,
212 (xcb_point_t[]) { { x - sep_offset, logical_px(4) },
213 { x - sep_offset, bar_height - logical_px(4) } });
219 * Hides all bars (unmaps them)
222 void hide_bars(void) {
223 if ((config.hide_on_modifier == M_DOCK) || (config.hidden_state == S_SHOW && config.hide_on_modifier == M_HIDE)) {
228 SLIST_FOREACH(walk, outputs, slist) {
232 xcb_unmap_window(xcb_connection, walk->bar);
238 * Unhides all bars (maps them)
241 void unhide_bars(void) {
242 if (config.hide_on_modifier != M_HIDE) {
247 xcb_void_cookie_t cookie;
253 SLIST_FOREACH(walk, outputs, slist) {
254 if (walk->bar == XCB_NONE) {
257 mask = XCB_CONFIG_WINDOW_X |
258 XCB_CONFIG_WINDOW_Y |
259 XCB_CONFIG_WINDOW_WIDTH |
260 XCB_CONFIG_WINDOW_HEIGHT |
261 XCB_CONFIG_WINDOW_STACK_MODE;
262 values[0] = walk->rect.x;
263 if (config.position == POS_TOP)
264 values[1] = walk->rect.y;
266 values[1] = walk->rect.y + walk->rect.h - bar_height;
267 values[2] = walk->rect.w;
268 values[3] = bar_height;
269 values[4] = XCB_STACK_MODE_ABOVE;
270 DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
271 cookie = xcb_configure_window_checked(xcb_connection,
276 if (xcb_request_failed(cookie, "Could not reconfigure window")) {
279 xcb_map_window(xcb_connection, walk->bar);
284 * Parse the colors into a format that we can use
287 void init_colors(const struct xcb_color_strings_t *new_colors) {
288 #define PARSE_COLOR(name, def) \
290 colors.name = get_colorpixel(new_colors->name ? new_colors->name : def); \
292 PARSE_COLOR(bar_fg, "#FFFFFF");
293 PARSE_COLOR(bar_bg, "#000000");
294 PARSE_COLOR(sep_fg, "#666666");
295 PARSE_COLOR(active_ws_fg, "#FFFFFF");
296 PARSE_COLOR(active_ws_bg, "#333333");
297 PARSE_COLOR(active_ws_border, "#333333");
298 PARSE_COLOR(inactive_ws_fg, "#888888");
299 PARSE_COLOR(inactive_ws_bg, "#222222");
300 PARSE_COLOR(inactive_ws_border, "#333333");
301 PARSE_COLOR(urgent_ws_fg, "#FFFFFF");
302 PARSE_COLOR(urgent_ws_bg, "#900000");
303 PARSE_COLOR(urgent_ws_border, "#2f343a");
304 PARSE_COLOR(focus_ws_fg, "#FFFFFF");
305 PARSE_COLOR(focus_ws_bg, "#285577");
306 PARSE_COLOR(focus_ws_border, "#4c7899");
310 xcb_flush(xcb_connection);
314 * Handle a button-press-event (i.e. a mouse click on one of our bars).
315 * We determine, whether the click occured on a ws-button or if the scroll-
316 * wheel was used and change the workspace appropriately
319 void handle_button(xcb_button_press_event_t *event) {
322 /* Determine, which bar was clicked */
324 xcb_window_t bar = event->event;
325 SLIST_FOREACH(walk, outputs, slist) {
326 if (walk->bar == bar) {
332 DLOG("Unknown Bar klicked!\n");
336 /* TODO: Move this to extern get_ws_for_output() */
337 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
338 if (cur_ws->visible) {
343 if (cur_ws == NULL) {
344 DLOG("No Workspace active?\n");
348 int32_t x = event->event_x >= 0 ? event->event_x : 0;
349 int32_t original_x = x;
351 DLOG("Got Button %d\n", event->detail);
353 if (child_want_click_events()) {
354 /* If the child asked for click events,
355 * check if a status block has been clicked. */
357 /* First calculate width of tray area */
358 trayclient *trayclient;
360 TAILQ_FOREACH_REVERSE(trayclient, walk->trayclients, tc_head, tailq) {
361 if (!trayclient->mapped)
363 tray_width += (font.height + logical_px(2));
366 int block_x = 0, last_block_x;
367 int offset = (walk->rect.w - (statusline_width + tray_width)) - logical_px(10);
369 x = original_x - offset;
371 struct status_block *block;
373 TAILQ_FOREACH(block, &statusline_head, blocks) {
374 last_block_x = block_x;
375 block_x += block->width + block->x_offset + block->x_append;
377 if (x <= block_x && x >= last_block_x) {
378 send_block_clicked(event->detail, block->name, block->instance, event->root_x, event->root_y);
386 switch (event->detail) {
388 /* Mouse wheel up. We select the previous ws, if any.
389 * If there is no more workspace, don’t even send the workspace
390 * command, otherwise (with workspace auto_back_and_forth) we’d end
391 * up on the wrong workspace. */
393 /* If `wheel_up_cmd [COMMAND]` was specified, it should override
394 * the default behavior */
395 if (config.wheel_up_cmd) {
396 i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, config.wheel_up_cmd);
400 if (cur_ws == TAILQ_FIRST(walk->workspaces))
403 cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
406 /* Mouse wheel down. We select the next ws, if any.
407 * If there is no more workspace, don’t even send the workspace
408 * command, otherwise (with workspace auto_back_and_forth) we’d end
409 * up on the wrong workspace. */
411 /* if `wheel_down_cmd [COMMAND]` was specified, it should override
412 * the default behavior */
413 if (config.wheel_down_cmd) {
414 i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, config.wheel_down_cmd);
418 if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head))
421 cur_ws = TAILQ_NEXT(cur_ws, tailq);
424 /* Check if this event regards a workspace button */
425 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
427 if (x >= 0 && x < cur_ws->name_width + logical_px(10)) {
430 x -= cur_ws->name_width + logical_px(11);
433 /* Otherwise, focus our currently visible workspace if it is not
435 if (cur_ws == NULL) {
436 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
437 if (cur_ws->visible && !cur_ws->focused)
442 /* if there is nothing to focus, we are done */
451 /* To properly handle workspace names with double quotes in them, we need
452 * to escape the double quotes. Unfortunately, that’s rather ugly in C: We
453 * first count the number of double quotes, then we allocate a large enough
454 * buffer, then we copy character by character. */
457 const char *utf8_name = cur_ws->canonical_name;
458 for (const char *walk = utf8_name; *walk != '\0'; walk++) {
461 /* While we’re looping through the name anyway, we can save one
466 const size_t len = namelen + strlen("workspace \"\"") + 1;
467 char *buffer = scalloc(len + num_quotes);
468 strncpy(buffer, "workspace \"", strlen("workspace \""));
469 size_t inpos, outpos;
470 for (inpos = 0, outpos = strlen("workspace \"");
473 if (utf8_name[inpos] == '"') {
474 buffer[outpos] = '\\';
477 buffer[outpos] = utf8_name[inpos];
479 buffer[outpos] = '"';
480 i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
485 * Adjusts the size of the tray window and alignment of the tray clients by
486 * configuring their respective x coordinates. To be called when mapping or
487 * unmapping a tray client window.
490 static void configure_trayclients(void) {
491 trayclient *trayclient;
493 SLIST_FOREACH(output, outputs, slist) {
498 TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
499 if (!trayclient->mapped)
503 DLOG("Configuring tray window %08x to x=%d\n",
504 trayclient->win, output->rect.w - (clients * (font.height + logical_px(2))));
505 uint32_t x = output->rect.w - (clients * (font.height + logical_px(2)));
506 xcb_configure_window(xcb_connection,
515 * Handles ClientMessages (messages sent from another client directly to us).
517 * At the moment, only the tray window will receive client messages. All
518 * supported client messages currently are _NET_SYSTEM_TRAY_OPCODE.
521 static void handle_client_message(xcb_client_message_event_t *event) {
522 if (event->type == atoms[_NET_SYSTEM_TRAY_OPCODE] &&
523 event->format == 32) {
524 DLOG("_NET_SYSTEM_TRAY_OPCODE received\n");
525 /* event->data.data32[0] is the timestamp */
526 uint32_t op = event->data.data32[1];
529 if (op == SYSTEM_TRAY_REQUEST_DOCK) {
530 xcb_window_t client = event->data.data32[2];
532 /* Listen for PropertyNotify events to get the most recent value of
533 * the XEMBED_MAPPED atom, also listen for UnmapNotify events */
534 mask = XCB_CW_EVENT_MASK;
535 values[0] = XCB_EVENT_MASK_PROPERTY_CHANGE |
536 XCB_EVENT_MASK_STRUCTURE_NOTIFY;
537 xcb_change_window_attributes(xcb_connection,
542 /* Request the _XEMBED_INFO property. The XEMBED specification
543 * (which is referred by the tray specification) says this *has* to
544 * be set, but VLC does not set it… */
547 xcb_get_property_cookie_t xembedc;
548 xcb_generic_error_t *error;
549 xembedc = xcb_get_property(xcb_connection,
553 XCB_GET_PROPERTY_TYPE_ANY,
557 xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
561 ELOG("Error getting _XEMBED_INFO property: error_code %d\n",
566 if (xembedr != NULL && xembedr->length != 0) {
567 DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
568 uint32_t *xembed = xcb_get_property_value(xembedr);
569 DLOG("xembed version = %d\n", xembed[0]);
570 DLOG("xembed flags = %d\n", xembed[1]);
571 map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
572 xe_version = xembed[0];
577 ELOG("Window %08x violates the XEMBED protocol, _XEMBED_INFO not set\n", client);
580 DLOG("X window %08x requested docking\n", client);
581 i3_output *walk, *output = NULL;
582 SLIST_FOREACH(walk, outputs, slist) {
585 if (config.tray_output) {
586 if ((strcasecmp(walk->name, config.tray_output) != 0) &&
587 (!walk->primary || strcasecmp("primary", config.tray_output) != 0))
591 DLOG("using output %s\n", walk->name);
595 /* In case of tray_output == primary and there is no primary output
596 * configured, we fall back to the first available output. */
597 if (output == NULL &&
598 config.tray_output &&
599 strcasecmp("primary", config.tray_output) == 0) {
600 SLIST_FOREACH(walk, outputs, slist) {
603 DLOG("Falling back to output %s because no primary output is configured\n", walk->name);
608 if (output == NULL) {
609 ELOG("No output found\n");
612 xcb_reparent_window(xcb_connection,
615 output->rect.w - font.height - 2,
617 /* We reconfigure the window to use a reasonable size. The systray
618 * specification explicitly says:
619 * Tray icons may be assigned any size by the system tray, and
620 * should do their best to cope with any size effectively
622 mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
623 values[0] = font.height;
624 values[1] = font.height;
625 xcb_configure_window(xcb_connection,
630 /* send the XEMBED_EMBEDDED_NOTIFY message */
631 void *event = scalloc(32);
632 xcb_client_message_event_t *ev = event;
633 ev->response_type = XCB_CLIENT_MESSAGE;
635 ev->type = atoms[_XEMBED];
637 ev->data.data32[0] = XCB_CURRENT_TIME;
638 ev->data.data32[1] = atoms[XEMBED_EMBEDDED_NOTIFY];
639 ev->data.data32[2] = output->bar;
640 ev->data.data32[3] = xe_version;
641 xcb_send_event(xcb_connection,
644 XCB_EVENT_MASK_NO_EVENT,
648 /* Put the client inside the save set. Upon termination (whether
649 * killed or normal exit does not matter) of i3bar, these clients
650 * will be correctly reparented to their most closest living
651 * ancestor. Without this, tray icons might die when i3bar
653 xcb_change_save_set(xcb_connection, XCB_SET_MODE_INSERT, client);
655 trayclient *tc = smalloc(sizeof(trayclient));
657 tc->xe_version = xe_version;
659 TAILQ_INSERT_TAIL(output->trayclients, tc, tailq);
662 DLOG("Mapping dock client\n");
663 xcb_map_window(xcb_connection, client);
665 DLOG("Not mapping dock client yet\n");
667 /* Trigger an update to copy the statusline text to the appropriate
669 configure_trayclients();
676 * Handles DestroyNotify events by removing the tray client from the data
677 * structure. According to the XEmbed protocol, this is one way for a tray
678 * client to finish the protocol. After this event is received, there is no
679 * further interaction with the tray client.
681 * See: http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
684 static void handle_destroy_notify(xcb_destroy_notify_event_t *event) {
685 DLOG("DestroyNotify for window = %08x, event = %08x\n", event->window, event->event);
688 SLIST_FOREACH(walk, outputs, slist) {
691 DLOG("checking output %s\n", walk->name);
692 trayclient *trayclient;
693 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
694 if (trayclient->win != event->window)
697 DLOG("Removing tray client with window ID %08x\n", event->window);
698 TAILQ_REMOVE(walk->trayclients, trayclient, tailq);
700 /* Trigger an update, we now have more space for the statusline */
701 configure_trayclients();
709 * Handles MapNotify events. These events happen when a tray client shows its
710 * window. We respond by realigning the tray clients.
713 static void handle_map_notify(xcb_map_notify_event_t *event) {
714 DLOG("MapNotify for window = %08x, event = %08x\n", event->window, event->event);
717 SLIST_FOREACH(walk, outputs, slist) {
720 DLOG("checking output %s\n", walk->name);
721 trayclient *trayclient;
722 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
723 if (trayclient->win != event->window)
726 DLOG("Tray client mapped (window ID %08x). Adjusting tray.\n", event->window);
727 trayclient->mapped = true;
729 /* Trigger an update, we now have more space for the statusline */
730 configure_trayclients();
737 * Handles UnmapNotify events. These events happen when a tray client hides its
738 * window. We respond by realigning the tray clients.
741 static void handle_unmap_notify(xcb_unmap_notify_event_t *event) {
742 DLOG("UnmapNotify for window = %08x, event = %08x\n", event->window, event->event);
745 SLIST_FOREACH(walk, outputs, slist) {
748 DLOG("checking output %s\n", walk->name);
749 trayclient *trayclient;
750 TAILQ_FOREACH(trayclient, walk->trayclients, tailq) {
751 if (trayclient->win != event->window)
754 DLOG("Tray client unmapped (window ID %08x). Adjusting tray.\n", event->window);
755 trayclient->mapped = false;
757 /* Trigger an update, we now have more space for the statusline */
758 configure_trayclients();
766 * Handle PropertyNotify messages. Currently only the _XEMBED_INFO property is
767 * handled, which tells us whether a dock client should be mapped or unmapped.
770 static void handle_property_notify(xcb_property_notify_event_t *event) {
771 DLOG("PropertyNotify\n");
772 if (event->atom == atoms[_XEMBED_INFO] &&
773 event->state == XCB_PROPERTY_NEW_VALUE) {
774 DLOG("xembed_info updated\n");
775 trayclient *trayclient = NULL, *walk;
777 SLIST_FOREACH(o_walk, outputs, slist) {
781 TAILQ_FOREACH(walk, o_walk->trayclients, tailq) {
782 if (walk->win != event->window)
792 ELOG("PropertyNotify received for unknown window %08x\n",
796 xcb_get_property_cookie_t xembedc;
797 xembedc = xcb_get_property_unchecked(xcb_connection,
801 XCB_GET_PROPERTY_TYPE_ANY,
805 xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
808 if (xembedr == NULL || xembedr->length == 0) {
809 DLOG("xembed_info unset\n");
813 DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
814 uint32_t *xembed = xcb_get_property_value(xembedr);
815 DLOG("xembed version = %d\n", xembed[0]);
816 DLOG("xembed flags = %d\n", xembed[1]);
817 bool map_it = ((xembed[1] & XEMBED_MAPPED) == XEMBED_MAPPED);
818 DLOG("map-state now %d\n", map_it);
819 if (trayclient->mapped && !map_it) {
820 /* need to unmap the window */
821 xcb_unmap_window(xcb_connection, trayclient->win);
822 } else if (!trayclient->mapped && map_it) {
823 /* need to map the window */
824 xcb_map_window(xcb_connection, trayclient->win);
831 * Handle ConfigureRequests by denying them and sending the client a
832 * ConfigureNotify with its actual size.
835 static void handle_configure_request(xcb_configure_request_event_t *event) {
836 DLOG("ConfigureRequest for window = %08x\n", event->window);
838 trayclient *trayclient;
840 SLIST_FOREACH(output, outputs, slist) {
845 TAILQ_FOREACH_REVERSE(trayclient, output->trayclients, tc_head, tailq) {
846 if (!trayclient->mapped)
850 if (trayclient->win != event->window)
853 xcb_rectangle_t rect;
854 rect.x = output->rect.w - (clients * (font.height + 2));
856 rect.width = font.height;
857 rect.height = font.height;
859 DLOG("This is a tray window. x = %d\n", rect.x);
860 fake_configure_notify(xcb_connection, rect, event->window, 0);
865 DLOG("WARNING: Could not find corresponding tray window.\n");
869 * This function is called immediately before the main loop locks. We flush xcb
870 * then (and only then)
873 void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) {
874 xcb_flush(xcb_connection);
878 * This function is called immediately after the main loop locks, so when one
879 * of the watchers registered an event.
880 * We check whether an X-Event arrived and handle it.
883 void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
884 xcb_generic_event_t *event;
886 if (xcb_connection_has_error(xcb_connection)) {
887 ELOG("X11 connection was closed unexpectedly - maybe your X server terminated / crashed?\n");
891 while ((event = xcb_poll_for_event(xcb_connection)) != NULL) {
892 int type = (event->response_type & ~0x80);
894 if (type == xkb_base && xkb_base > -1) {
895 DLOG("received an xkb event\n");
897 xcb_xkb_state_notify_event_t *state = (xcb_xkb_state_notify_event_t *)event;
898 if (state->xkbType == XCB_XKB_STATE_NOTIFY) {
899 int modstate = state->mods & config.modifier;
901 #define DLOGMOD(modmask, status) \
905 DLOG("ShiftMask got " #status "!\n"); \
908 DLOG("ControlMask got " #status "!\n"); \
911 DLOG("Mod1Mask got " #status "!\n"); \
914 DLOG("Mod2Mask got " #status "!\n"); \
917 DLOG("Mod3Mask got " #status "!\n"); \
920 DLOG("Mod4Mask got " #status "!\n"); \
923 DLOG("Mod5Mask got " #status "!\n"); \
928 if (modstate != mod_pressed) {
930 DLOGMOD(config.modifier, released);
934 DLOGMOD(config.modifier, pressed);
935 activated_mode = false;
938 mod_pressed = modstate;
949 /* Expose-events happen, when the window needs to be redrawn */
952 case XCB_BUTTON_PRESS:
953 /* Button-press-events are mouse-buttons clicked on one of our bars */
954 handle_button((xcb_button_press_event_t *)event);
956 case XCB_CLIENT_MESSAGE:
957 /* Client messages are used for client-to-client communication, for
958 * example system tray widgets talk to us directly via client messages. */
959 handle_client_message((xcb_client_message_event_t *)event);
961 case XCB_DESTROY_NOTIFY:
962 /* DestroyNotify signifies the end of the XEmbed protocol */
963 handle_destroy_notify((xcb_destroy_notify_event_t *)event);
965 case XCB_UNMAP_NOTIFY:
966 /* UnmapNotify is received when a tray client hides its window. */
967 handle_unmap_notify((xcb_unmap_notify_event_t *)event);
970 handle_map_notify((xcb_map_notify_event_t *)event);
972 case XCB_PROPERTY_NOTIFY:
974 handle_property_notify((xcb_property_notify_event_t *)event);
976 case XCB_CONFIGURE_REQUEST:
977 /* ConfigureRequest, sent by a tray child */
978 handle_configure_request((xcb_configure_request_event_t *)event);
986 * Dummy Callback. We only need this, so that the Prepare- and Check-Watchers
990 void xcb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
994 * Early initialization of the connection to X11: Everything which does not
995 * depend on 'config'.
998 char *init_xcb_early() {
999 /* FIXME: xcb_connect leaks Memory */
1000 xcb_connection = xcb_connect(NULL, &screen);
1001 if (xcb_connection_has_error(xcb_connection)) {
1002 ELOG("Cannot open display\n");
1005 conn = xcb_connection;
1006 DLOG("Connected to xcb\n");
1008 /* We have to request the atoms we need */
1009 #define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
1010 #include "xcb_atoms.def"
1012 root_screen = xcb_aux_get_screen(xcb_connection, screen);
1013 xcb_root = root_screen->root;
1015 /* We draw the statusline to a seperate pixmap, because it looks the same on all bars and
1016 * this way, we can choose to crop it */
1017 uint32_t mask = XCB_GC_FOREGROUND;
1018 uint32_t vals[] = {colors.bar_bg, colors.bar_bg};
1020 statusline_clear = xcb_generate_id(xcb_connection);
1021 xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1027 statusline_ctx = xcb_generate_id(xcb_connection);
1028 xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1034 statusline_pm = xcb_generate_id(xcb_connection);
1035 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1036 root_screen->root_depth,
1039 root_screen->width_in_pixels,
1040 root_screen->height_in_pixels);
1042 /* The various Watchers to communicate with xcb */
1043 xcb_io = smalloc(sizeof(ev_io));
1044 xcb_prep = smalloc(sizeof(ev_prepare));
1045 xcb_chk = smalloc(sizeof(ev_check));
1047 ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
1048 ev_prepare_init(xcb_prep, &xcb_prep_cb);
1049 ev_check_init(xcb_chk, &xcb_chk_cb);
1051 ev_io_start(main_loop, xcb_io);
1052 ev_prepare_start(main_loop, xcb_prep);
1053 ev_check_start(main_loop, xcb_chk);
1055 /* Now we get the atoms and save them in a nice data structure */
1058 char *path = root_atom_contents("I3_SOCKET_PATH", xcb_connection, screen);
1060 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
1061 xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
1062 xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
1070 * Register for xkb keyevents. To grab modifiers without blocking other applications from receiving key-events
1071 * involving that modifier, we sadly have to use xkb which is not yet fully supported
1075 void register_xkb_keyevents() {
1076 const xcb_query_extension_reply_t *extreply;
1077 extreply = xcb_get_extension_data(conn, &xcb_xkb_id);
1078 if (!extreply->present) {
1079 ELOG("xkb is not present on this server\n");
1082 DLOG("initializing xcb-xkb\n");
1083 xcb_xkb_use_extension(conn, XCB_XKB_MAJOR_VERSION, XCB_XKB_MINOR_VERSION);
1084 xcb_xkb_select_events(conn,
1085 XCB_XKB_ID_USE_CORE_KBD,
1086 XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
1088 XCB_XKB_EVENT_TYPE_STATE_NOTIFY,
1092 xkb_base = extreply->first_event;
1096 * Deregister from xkb keyevents.
1099 void deregister_xkb_keyevents() {
1100 xcb_xkb_select_events(conn,
1101 XCB_XKB_ID_USE_CORE_KBD,
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_aux_sync(xcb_connection);
1294 xcb_disconnect(xcb_connection);
1296 ev_check_stop(main_loop, xcb_chk);
1297 ev_prepare_stop(main_loop, xcb_prep);
1298 ev_io_stop(main_loop, xcb_io);
1306 * Get the earlier requested atoms and save them in the prepared data structure
1309 void get_atoms(void) {
1310 xcb_intern_atom_reply_t *reply;
1311 #define ATOM_DO(name) \
1312 reply = xcb_intern_atom_reply(xcb_connection, atom_cookies[name], NULL); \
1313 if (reply == NULL) { \
1314 ELOG("Could not get atom %s\n", #name); \
1315 exit(EXIT_FAILURE); \
1317 atoms[name] = reply->atom; \
1320 #include "xcb_atoms.def"
1321 DLOG("Got Atoms\n");
1325 * Reparents all tray clients of the specified output to the root window. This
1326 * is either used when shutting down, when an output appears (xrandr --output
1327 * VGA1 --off) or when the primary output changes.
1329 * Applications using the tray will start the protocol from the beginning again
1333 void kick_tray_clients(i3_output *output) {
1334 if (TAILQ_EMPTY(output->trayclients))
1337 trayclient *trayclient;
1338 while (!TAILQ_EMPTY(output->trayclients)) {
1339 trayclient = TAILQ_FIRST(output->trayclients);
1340 /* Unmap, then reparent (to root) the tray client windows */
1341 xcb_unmap_window(xcb_connection, trayclient->win);
1342 xcb_reparent_window(xcb_connection,
1348 /* We remove the trayclient right here. We might receive an UnmapNotify
1349 * event afterwards, but better safe than sorry. */
1350 TAILQ_REMOVE(output->trayclients, trayclient, tailq);
1353 /* Fake a DestroyNotify so that Qt re-adds tray icons.
1354 * We cannot actually destroy the window because then Qt will not restore
1355 * its event mask on the new window. */
1356 uint8_t buffer[32] = {0};
1357 xcb_destroy_notify_event_t *event = (xcb_destroy_notify_event_t *)buffer;
1359 event->response_type = XCB_DESTROY_NOTIFY;
1360 event->event = selwin;
1361 event->window = selwin;
1363 xcb_send_event(conn, false, selwin, XCB_EVENT_MASK_STRUCTURE_NOTIFY, (char *)event);
1365 send_tray_clientmessage();
1369 * Destroy the bar of the specified output
1372 void destroy_window(i3_output *output) {
1373 if (output == NULL) {
1376 if (output->bar == XCB_NONE) {
1380 kick_tray_clients(output);
1381 xcb_destroy_window(xcb_connection, output->bar);
1382 output->bar = XCB_NONE;
1386 * Reallocate the statusline-buffer
1389 void realloc_sl_buffer(void) {
1390 DLOG("Re-allocating statusline-buffer, statusline_width = %d, root_screen->width_in_pixels = %d\n",
1391 statusline_width, root_screen->width_in_pixels);
1392 xcb_free_pixmap(xcb_connection, statusline_pm);
1393 statusline_pm = xcb_generate_id(xcb_connection);
1394 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1395 root_screen->root_depth,
1398 MAX(root_screen->width_in_pixels, statusline_width),
1401 uint32_t mask = XCB_GC_FOREGROUND;
1402 uint32_t vals[2] = {colors.bar_bg, colors.bar_bg};
1403 xcb_free_gc(xcb_connection, statusline_clear);
1404 statusline_clear = xcb_generate_id(xcb_connection);
1405 xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1411 mask |= XCB_GC_BACKGROUND;
1412 vals[0] = colors.bar_fg;
1413 xcb_free_gc(xcb_connection, statusline_ctx);
1414 statusline_ctx = xcb_generate_id(xcb_connection);
1415 xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
1421 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
1422 xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
1423 xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
1429 * Reconfigure all bars and create new bars for recently activated outputs
1432 void reconfig_windows(bool redraw_bars) {
1435 static bool tray_configured = false;
1438 SLIST_FOREACH(walk, outputs, slist) {
1439 if (!walk->active) {
1440 /* If an output is not active, we destroy its bar */
1441 /* FIXME: Maybe we rather want to unmap? */
1442 DLOG("Destroying window for output %s\n", walk->name);
1443 destroy_window(walk);
1446 if (walk->bar == XCB_NONE) {
1447 DLOG("Creating Window for output %s\n", walk->name);
1449 walk->bar = xcb_generate_id(xcb_connection);
1450 walk->buffer = xcb_generate_id(xcb_connection);
1451 mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
1452 /* Black background */
1453 values[0] = colors.bar_bg;
1454 /* If hide_on_modifier is set to hide or invisible mode, i3 is not supposed to manage our bar-windows */
1455 values[1] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
1456 /* We enable the following EventMask fields:
1457 * EXPOSURE, to get expose events (we have to re-draw then)
1458 * SUBSTRUCTURE_REDIRECT, to get ConfigureRequests when the tray
1459 * child windows use ConfigureWindow
1460 * BUTTON_PRESS, to handle clicks on the workspace buttons
1462 values[2] = XCB_EVENT_MASK_EXPOSURE |
1463 XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT;
1464 if (!config.disable_ws) {
1465 values[2] |= XCB_EVENT_MASK_BUTTON_PRESS;
1467 xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
1468 root_screen->root_depth,
1471 walk->rect.x, walk->rect.y + walk->rect.h - bar_height,
1472 walk->rect.w, bar_height,
1474 XCB_WINDOW_CLASS_INPUT_OUTPUT,
1475 root_screen->root_visual,
1479 /* The double-buffer we use to render stuff off-screen */
1480 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1481 root_screen->root_depth,
1487 /* Set the WM_CLASS and WM_NAME (we don't need UTF-8) atoms */
1488 xcb_void_cookie_t class_cookie;
1489 class_cookie = xcb_change_property(xcb_connection,
1490 XCB_PROP_MODE_REPLACE,
1495 (strlen("i3bar") + 1) * 2,
1499 if (asprintf(&name, "i3bar for output %s", walk->name) == -1)
1500 err(EXIT_FAILURE, "asprintf()");
1501 xcb_void_cookie_t name_cookie;
1502 name_cookie = xcb_change_property(xcb_connection,
1503 XCB_PROP_MODE_REPLACE,
1512 /* We want dock-windows (for now). When override_redirect is set, i3 is ignoring
1514 xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection,
1515 XCB_PROP_MODE_REPLACE,
1517 atoms[_NET_WM_WINDOW_TYPE],
1521 (unsigned char *)&atoms[_NET_WM_WINDOW_TYPE_DOCK]);
1523 /* We need to tell i3, where to reserve space for i3bar */
1524 /* left, right, top, bottom, left_start_y, left_end_y,
1525 * right_start_y, right_end_y, top_start_x, top_end_x, bottom_start_x,
1527 /* A local struct to save the strut_partial property */
1533 uint32_t left_start_y;
1534 uint32_t left_end_y;
1535 uint32_t right_start_y;
1536 uint32_t right_end_y;
1537 uint32_t top_start_x;
1539 uint32_t bottom_start_x;
1540 uint32_t bottom_end_x;
1541 } __attribute__((__packed__)) strut_partial;
1542 memset(&strut_partial, 0, sizeof(strut_partial));
1544 switch (config.position) {
1548 strut_partial.top = bar_height;
1549 strut_partial.top_start_x = walk->rect.x;
1550 strut_partial.top_end_x = walk->rect.x + walk->rect.w;
1553 strut_partial.bottom = bar_height;
1554 strut_partial.bottom_start_x = walk->rect.x;
1555 strut_partial.bottom_end_x = walk->rect.x + walk->rect.w;
1558 xcb_void_cookie_t strut_cookie = xcb_change_property(xcb_connection,
1559 XCB_PROP_MODE_REPLACE,
1561 atoms[_NET_WM_STRUT_PARTIAL],
1567 /* We also want a graphics-context for the bars (it defines the properties
1568 * with which we draw to them) */
1569 walk->bargc = xcb_generate_id(xcb_connection);
1570 xcb_void_cookie_t gc_cookie = xcb_create_gc_checked(xcb_connection,
1576 /* We finally map the bar (display it on screen), unless the modifier-switch is on */
1577 xcb_void_cookie_t map_cookie;
1578 if (config.hide_on_modifier == M_DOCK) {
1579 map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
1582 if (xcb_request_failed(win_cookie, "Could not create window") ||
1583 xcb_request_failed(pm_cookie, "Could not create pixmap") ||
1584 xcb_request_failed(dock_cookie, "Could not set dock mode") ||
1585 xcb_request_failed(class_cookie, "Could not set WM_CLASS") ||
1586 xcb_request_failed(name_cookie, "Could not set WM_NAME") ||
1587 xcb_request_failed(strut_cookie, "Could not set strut") ||
1588 xcb_request_failed(gc_cookie, "Could not create graphical context") ||
1589 ((config.hide_on_modifier == M_DOCK) && xcb_request_failed(map_cookie, "Could not map window"))) {
1593 const char *tray_output = (config.tray_output ? config.tray_output : SLIST_FIRST(outputs)->name);
1594 if (!tray_configured && strcasecmp(tray_output, "none") != 0) {
1595 /* Configuration sanity check: ensure this i3bar instance handles the output on
1596 * which the tray should appear (e.g. don’t initialize a tray if tray_output ==
1597 * VGA-1 but output == [HDMI-1]).
1600 SLIST_FOREACH(output, outputs, slist) {
1601 if (strcasecmp(output->name, tray_output) == 0 ||
1602 (strcasecmp(tray_output, "primary") == 0 && output->primary)) {
1607 tray_configured = true;
1610 /* We already have a bar, so we just reconfigure it */
1611 mask = XCB_CONFIG_WINDOW_X |
1612 XCB_CONFIG_WINDOW_Y |
1613 XCB_CONFIG_WINDOW_WIDTH |
1614 XCB_CONFIG_WINDOW_HEIGHT |
1615 XCB_CONFIG_WINDOW_STACK_MODE;
1616 values[0] = walk->rect.x;
1617 values[1] = walk->rect.y + walk->rect.h - bar_height;
1618 values[2] = walk->rect.w;
1619 values[3] = bar_height;
1620 values[4] = XCB_STACK_MODE_ABOVE;
1622 DLOG("Destroying buffer for output %s\n", walk->name);
1623 xcb_free_pixmap(xcb_connection, walk->buffer);
1625 DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
1626 xcb_void_cookie_t cfg_cookie = xcb_configure_window_checked(xcb_connection,
1631 mask = XCB_CW_OVERRIDE_REDIRECT;
1632 values[0] = (config.hide_on_modifier == M_DOCK ? 0 : 1);
1633 DLOG("Changing Window attribute override_redirect for output %s to %d\n", walk->name, values[0]);
1634 xcb_void_cookie_t chg_cookie = xcb_change_window_attributes(xcb_connection,
1639 DLOG("Recreating buffer for output %s\n", walk->name);
1640 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
1641 root_screen->root_depth,
1647 xcb_void_cookie_t map_cookie, umap_cookie;
1649 /* Unmap the window, and draw it again when in dock mode */
1650 umap_cookie = xcb_unmap_window_checked(xcb_connection, walk->bar);
1651 if (config.hide_on_modifier == M_DOCK) {
1653 map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
1658 if (config.hide_on_modifier == M_HIDE) {
1659 /* Switching to hide mode, register for keyevents */
1660 register_xkb_keyevents();
1662 /* Switching to dock/invisible mode, deregister from keyevents */
1663 deregister_xkb_keyevents();
1667 if (xcb_request_failed(cfg_cookie, "Could not reconfigure window") ||
1668 xcb_request_failed(chg_cookie, "Could not change window") ||
1669 xcb_request_failed(pm_cookie, "Could not create pixmap") ||
1670 (redraw_bars && (xcb_request_failed(umap_cookie, "Could not unmap window") ||
1671 (config.hide_on_modifier == M_DOCK && xcb_request_failed(map_cookie, "Could not map window"))))) {
1679 * Render the bars, with buttons and statusline
1682 void draw_bars(bool unhide) {
1683 DLOG("Drawing Bars...\n");
1686 refresh_statusline();
1688 i3_output *outputs_walk;
1689 SLIST_FOREACH(outputs_walk, outputs, slist) {
1690 if (!outputs_walk->active) {
1691 DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
1694 if (outputs_walk->bar == XCB_NONE) {
1695 /* Oh shit, an active output without an own bar. Create it now! */
1696 reconfig_windows(false);
1698 /* First things first: clear the backbuffer */
1699 uint32_t color = colors.bar_bg;
1700 xcb_change_gc(xcb_connection,
1701 outputs_walk->bargc,
1704 xcb_rectangle_t rect = {0, 0, outputs_walk->rect.w, bar_height};
1705 xcb_poly_fill_rectangle(xcb_connection,
1706 outputs_walk->buffer,
1707 outputs_walk->bargc,
1711 if (!TAILQ_EMPTY(&statusline_head)) {
1712 DLOG("Printing statusline!\n");
1714 /* Luckily we already prepared a seperate pixmap containing the rendered
1715 * statusline, we just have to copy the relevant parts to the relevant
1717 trayclient *trayclient;
1719 TAILQ_FOREACH(trayclient, outputs_walk->trayclients, tailq) {
1720 if (!trayclient->mapped)
1722 /* We assume the tray icons are quadratic (we use the font
1723 * *height* as *width* of the icons) because we configured them
1725 traypx += font.height + logical_px(2);
1727 /* Add 2px of padding if there are any tray icons */
1729 traypx += logical_px(2);
1730 xcb_copy_area(xcb_connection,
1732 outputs_walk->buffer,
1733 outputs_walk->bargc,
1734 MAX(0, (int16_t)(statusline_width - outputs_walk->rect.w + logical_px(4))), 0,
1735 MAX(0, (int16_t)(outputs_walk->rect.w - statusline_width - traypx - logical_px(4))), 0,
1736 MIN(outputs_walk->rect.w - traypx - logical_px(4), (int)statusline_width), bar_height);
1739 if (!config.disable_ws) {
1741 TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
1742 DLOG("Drawing Button for WS %s at x = %d, len = %d\n",
1743 i3string_as_utf8(ws_walk->name), i, ws_walk->name_width);
1744 uint32_t fg_color = colors.inactive_ws_fg;
1745 uint32_t bg_color = colors.inactive_ws_bg;
1746 uint32_t border_color = colors.inactive_ws_border;
1747 if (ws_walk->visible) {
1748 if (!ws_walk->focused) {
1749 fg_color = colors.active_ws_fg;
1750 bg_color = colors.active_ws_bg;
1751 border_color = colors.active_ws_border;
1753 fg_color = colors.focus_ws_fg;
1754 bg_color = colors.focus_ws_bg;
1755 border_color = colors.focus_ws_border;
1758 if (ws_walk->urgent) {
1759 DLOG("WS %s is urgent!\n", i3string_as_utf8(ws_walk->name));
1760 fg_color = colors.urgent_ws_fg;
1761 bg_color = colors.urgent_ws_bg;
1762 border_color = colors.urgent_ws_border;
1765 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
1766 uint32_t vals_border[] = {border_color, border_color};
1767 xcb_change_gc(xcb_connection,
1768 outputs_walk->bargc,
1771 xcb_rectangle_t rect_border = {i,
1773 ws_walk->name_width + logical_px(10),
1774 font.height + logical_px(4)};
1775 xcb_poly_fill_rectangle(xcb_connection,
1776 outputs_walk->buffer,
1777 outputs_walk->bargc,
1780 uint32_t vals[] = {bg_color, bg_color};
1781 xcb_change_gc(xcb_connection,
1782 outputs_walk->bargc,
1785 xcb_rectangle_t rect = {i + logical_px(1),
1787 ws_walk->name_width + logical_px(8),
1788 font.height + logical_px(2)};
1789 xcb_poly_fill_rectangle(xcb_connection,
1790 outputs_walk->buffer,
1791 outputs_walk->bargc,
1794 set_font_colors(outputs_walk->bargc, fg_color, bg_color);
1795 draw_text(ws_walk->name, outputs_walk->buffer, outputs_walk->bargc,
1796 i + logical_px(5), 3 * logical_px(1), ws_walk->name_width);
1797 i += logical_px(10) + ws_walk->name_width + logical_px(1);
1801 if (binding.name && !config.disable_binding_mode_indicator) {
1802 uint32_t fg_color = colors.urgent_ws_fg;
1803 uint32_t bg_color = colors.urgent_ws_bg;
1804 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
1806 uint32_t vals_border[] = {colors.urgent_ws_border, colors.urgent_ws_border};
1807 xcb_change_gc(xcb_connection,
1808 outputs_walk->bargc,
1811 xcb_rectangle_t rect_border = {i, 1, binding.width + 10, font.height + 4};
1812 xcb_poly_fill_rectangle(xcb_connection,
1813 outputs_walk->buffer,
1814 outputs_walk->bargc,
1818 uint32_t vals[] = {bg_color, bg_color};
1819 xcb_change_gc(xcb_connection,
1820 outputs_walk->bargc,
1823 xcb_rectangle_t rect = {i + 1, 2, binding.width + 8, font.height + 2};
1824 xcb_poly_fill_rectangle(xcb_connection,
1825 outputs_walk->buffer,
1826 outputs_walk->bargc,
1830 set_font_colors(outputs_walk->bargc, fg_color, bg_color);
1831 draw_text(binding.name, outputs_walk->buffer, outputs_walk->bargc, i + 5, 3, binding.width);
1839 /* Assure the bar is hidden/unhidden according to the specified hidden_state and mode */
1841 config.hidden_state == S_SHOW ||
1844 } else if (config.hide_on_modifier == M_HIDE) {
1852 * Redraw the bars, i.e. simply copy the buffer to the barwindow
1855 void redraw_bars(void) {
1856 i3_output *outputs_walk;
1857 SLIST_FOREACH(outputs_walk, outputs, slist) {
1858 if (!outputs_walk->active) {
1861 xcb_copy_area(xcb_connection,
1862 outputs_walk->buffer,
1864 outputs_walk->bargc,
1867 outputs_walk->rect.w,
1868 outputs_walk->rect.h);
1869 xcb_flush(xcb_connection);
1874 * Set the current binding mode
1877 void set_current_mode(struct mode *current) {
1878 I3STRING_FREE(binding.name);
1880 activated_mode = binding.name != NULL;