2 * i3bar - an xcb-based status- and ws-bar for i3
4 * © 2010-2011 Axel Wagner and contributors
6 * See file LICNSE for license information
8 * src/xcb.c: Communicating with X
12 #include <xcb/xproto.h>
13 #include <xcb/xcb_atom.h>
25 #include <X11/XKBlib.h>
26 #include <X11/extensions/XKB.h>
30 #if defined(__APPLE__)
34 * Returns a pointer to a new string which is a duplicate of the
35 * string, but only copies at most n characters.
38 char *strndup(const char *str, size_t n) {
42 for (len = 0; len < n && str[len]; len++)
45 if ((copy = malloc(len + 1)) == NULL)
47 memcpy(copy, str, len);
54 /* We save the Atoms in an easy to access array, indexed by an enum */
56 #define ATOM_DO(name) name,
57 #include "xcb_atoms.def"
61 xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
62 xcb_atom_t atoms[NUM_ATOMS];
64 /* Variables, that are the same for all functions at all times */
65 xcb_connection_t *xcb_connection;
66 xcb_screen_t *xcb_screen;
67 xcb_window_t xcb_root;
70 /* We need to cache some data to speed up text-width-prediction */
71 xcb_query_font_reply_t *font_info;
73 xcb_charinfo_t *font_table;
75 /* These are only relevant for XKB, which we only need for grabbing modifiers */
80 /* Because the statusline is the same on all outputs, we have
81 * global buffer to render it on */
82 xcb_gcontext_t statusline_ctx;
83 xcb_gcontext_t statusline_clear;
84 xcb_pixmap_t statusline_pm;
85 uint32_t statusline_width;
87 /* Event-Watchers, to interact with the user */
93 /* The parsed colors */
97 uint32_t active_ws_fg;
98 uint32_t active_ws_bg;
99 uint32_t inactive_ws_fg;
100 uint32_t inactive_ws_bg;
101 uint32_t urgent_ws_bg;
102 uint32_t urgent_ws_fg;
103 uint32_t focus_ws_bg;
104 uint32_t focus_ws_fg;
106 struct xcb_colors_t colors;
108 /* We define xcb_request_failed as a macro to include the relevant line-number */
109 #define xcb_request_failed(cookie, err_msg) _xcb_request_failed(cookie, err_msg, __LINE__)
110 int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
111 xcb_generic_error_t *err;
112 if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
113 fprintf(stderr, "[%s:%d] ERROR: %s. X Error Code: %d\n", __FILE__, line, err_msg, err->error_code);
114 return err->error_code;
120 * Predicts the length of text based on cached data.
121 * The string has to be encoded in ucs2 and glyph_len has to be the length
122 * of the string (in glyphs).
125 uint32_t predict_text_extents(xcb_char2b_t *text, uint32_t length) {
126 /* If we don't have per-character data, return the maximum width */
127 if (font_table == NULL) {
128 return (font_info->max_bounds.character_width * length);
134 for (i = 0; i < length; i++) {
135 xcb_charinfo_t *info;
136 int row = text[i].byte1;
137 int col = text[i].byte2;
139 if (row < font_info->min_byte1 || row > font_info->max_byte1 ||
140 col < font_info->min_char_or_byte2 || col > font_info->max_char_or_byte2) {
144 /* Don't you ask me, how this one works… */
145 info = &font_table[((row - font_info->min_byte1) *
146 (font_info->max_char_or_byte2 - font_info->min_char_or_byte2 + 1)) +
147 (col - font_info->min_char_or_byte2)];
149 if (info->character_width != 0 ||
150 (info->right_side_bearing |
151 info->left_side_bearing |
153 info->descent) != 0) {
154 width += info->character_width;
162 * Draws text given in UCS-2-encoding to a given drawable and position
165 void draw_text(xcb_drawable_t drawable, xcb_gcontext_t ctx, int16_t x, int16_t y,
166 xcb_char2b_t *text, uint32_t glyph_count) {
169 int16_t font_ascent = font_info->font_ascent;
171 while (glyph_count > 0) {
172 uint8_t chunk_size = MIN(255, glyph_count);
173 uint32_t chunk_width = predict_text_extents(text + offset, chunk_size);
175 xcb_image_text_16(xcb_connection,
179 pos_x, y + font_ascent,
182 offset += chunk_size;
183 pos_x += chunk_width;
184 glyph_count -= chunk_size;
189 * Converts a colorstring to a colorpixel as expected from xcb_change_gc.
190 * s is assumed to be in the format "rrggbb"
193 uint32_t get_colorpixel(const char *s) {
194 char strings[3][3] = { { s[0], s[1], '\0'} ,
195 { s[2], s[3], '\0'} ,
196 { s[4], s[5], '\0'} };
197 uint8_t r = strtol(strings[0], NULL, 16);
198 uint8_t g = strtol(strings[1], NULL, 16);
199 uint8_t b = strtol(strings[2], NULL, 16);
200 return (r << 16 | g << 8 | b);
204 * Redraws the statusline to the buffer
207 void refresh_statusline() {
210 if (statusline == NULL) {
214 xcb_char2b_t *text = (xcb_char2b_t*) convert_utf8_to_ucs2(statusline, &glyph_count);
215 uint32_t old_statusline_width = statusline_width;
216 statusline_width = predict_text_extents(text, glyph_count);
217 /* If the statusline is bigger than our screen we need to make sure that
218 * the pixmap provides enough space, so re-allocate if the width grew */
219 if (statusline_width > xcb_screen->width_in_pixels &&
220 statusline_width > old_statusline_width)
223 xcb_rectangle_t rect = { 0, 0, xcb_screen->width_in_pixels, font_height };
224 xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_clear, 1, &rect);
225 draw_text(statusline_pm, statusline_ctx, 0, 0, text, glyph_count);
231 * Hides all bars (unmaps them)
235 if (!config.hide_on_modifier) {
240 SLIST_FOREACH(walk, outputs, slist) {
244 xcb_unmap_window(xcb_connection, walk->bar);
250 * Unhides all bars (maps them)
254 if (!config.hide_on_modifier) {
259 xcb_void_cookie_t cookie;
265 SLIST_FOREACH(walk, outputs, slist) {
266 if (walk->bar == XCB_NONE) {
269 mask = XCB_CONFIG_WINDOW_X |
270 XCB_CONFIG_WINDOW_Y |
271 XCB_CONFIG_WINDOW_WIDTH |
272 XCB_CONFIG_WINDOW_HEIGHT |
273 XCB_CONFIG_WINDOW_STACK_MODE;
274 values[0] = walk->rect.x;
275 values[1] = walk->rect.y + walk->rect.h - font_height - 6;
276 values[2] = walk->rect.w;
277 values[3] = font_height + 6;
278 values[4] = XCB_STACK_MODE_ABOVE;
279 DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
280 cookie = xcb_configure_window_checked(xcb_connection,
285 if (xcb_request_failed(cookie, "Could not reconfigure window")) {
288 xcb_map_window(xcb_connection, walk->bar);
293 * Parse the colors into a format that we can use
296 void init_colors(const struct xcb_color_strings_t *new_colors) {
297 #define PARSE_COLOR(name, def) \
299 colors.name = get_colorpixel(new_colors->name ? new_colors->name : def); \
301 PARSE_COLOR(bar_fg, "FFFFFF");
302 PARSE_COLOR(bar_bg, "000000");
303 PARSE_COLOR(active_ws_fg, "FFFFFF");
304 PARSE_COLOR(active_ws_bg, "480000");
305 PARSE_COLOR(inactive_ws_fg, "FFFFFF");
306 PARSE_COLOR(inactive_ws_bg, "240000");
307 PARSE_COLOR(urgent_ws_fg, "FFFFFF");
308 PARSE_COLOR(urgent_ws_bg, "002400");
309 PARSE_COLOR(focus_ws_fg, "FFFFFF");
310 PARSE_COLOR(focus_ws_bg, "480000");
315 * Handle a button-press-event (i.e. a mouse click on one of our bars).
316 * We determine, whether the click occured on a ws-button or if the scroll-
317 * wheel was used and change the workspace appropriately
320 void handle_button(xcb_button_press_event_t *event) {
323 /* Determine, which bar was clicked */
325 xcb_window_t bar = event->event;
326 SLIST_FOREACH(walk, outputs, slist) {
327 if (walk->bar == bar) {
333 DLOG("Unknown Bar klicked!\n");
337 /* TODO: Move this to extern get_ws_for_output() */
338 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
339 if (cur_ws->visible) {
344 if (cur_ws == NULL) {
345 DLOG("No Workspace active?\n");
349 int32_t x = event->event_x;
351 DLOG("Got Button %d\n", event->detail);
353 switch (event->detail) {
355 /* Left Mousbutton. We determine, which button was clicked
356 * and set cur_ws accordingly */
357 TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
359 if (x < cur_ws->name_width + 10) {
362 x -= cur_ws->name_width + 10;
364 if (cur_ws == NULL) {
369 /* Mouse wheel down. We select the next ws */
370 if (cur_ws == TAILQ_FIRST(walk->workspaces)) {
371 cur_ws = TAILQ_LAST(walk->workspaces, ws_head);
373 cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
377 /* Mouse wheel up. We select the previos ws */
378 if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head)) {
379 cur_ws = TAILQ_FIRST(walk->workspaces);
381 cur_ws = TAILQ_NEXT(cur_ws, tailq);
386 const size_t len = strlen(cur_ws->name) + strlen("workspace \"\"") + 1;
388 snprintf(buffer, len, "workspace \"%s\"", cur_ws->name);
389 i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
393 * This function is called immediately before the main loop locks. We flush xcb
394 * then (and only then)
397 void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revents) {
398 xcb_flush(xcb_connection);
402 * This function is called immediately after the main loop locks, so when one
403 * of the watchers registered an event.
404 * We check whether an X-Event arrived and handle it.
407 void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
408 xcb_generic_event_t *event;
409 while ((event = xcb_poll_for_event(xcb_connection)) == NULL) {
413 switch (event->response_type & ~0x80) {
415 /* Expose-events happen, when the window needs to be redrawn */
418 case XCB_BUTTON_PRESS:
419 /* Button-press-events are mouse-buttons clicked on one of our bars */
420 handle_button((xcb_button_press_event_t*) event);
427 * Dummy Callback. We only need this, so that the Prepare- and Check-Watchers
431 void xcb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
435 * We need to bind to the modifier per XKB. Sadly, XCB does not implement this
438 void xkb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
442 DLOG("Got XKB-Event!\n");
444 while (XPending(xkb_dpy)) {
445 XNextEvent(xkb_dpy, (XEvent*)&ev);
447 if (ev.type != xkb_event_base) {
448 ELOG("No Xkb-Event!\n");
452 if (ev.any.xkb_type != XkbStateNotify) {
453 ELOG("No State Notify!\n");
457 unsigned int mods = ev.state.mods;
458 modstate = mods & Mod4Mask;
461 if (modstate != mod_pressed) {
463 DLOG("Mod4 got released!\n");
466 DLOG("Mod4 got pressed!\n");
469 mod_pressed = modstate;
474 * Initialize xcb and use the specified fontname for text-rendering
477 char *init_xcb(char *fontname) {
478 /* FIXME: xcb_connect leaks Memory */
479 xcb_connection = xcb_connect(NULL, NULL);
480 if (xcb_connection_has_error(xcb_connection)) {
481 ELOG("Cannot open display\n");
484 DLOG("Connected to xcb\n");
486 /* We have to request the atoms we need */
487 #define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
488 #include "xcb_atoms.def"
490 xcb_screen = xcb_setup_roots_iterator(xcb_get_setup(xcb_connection)).data;
491 xcb_root = xcb_screen->root;
493 /* We load and allocate the font */
494 xcb_font = xcb_generate_id(xcb_connection);
495 xcb_void_cookie_t open_font_cookie;
496 open_font_cookie = xcb_open_font_checked(xcb_connection,
501 /* We need to save info about the font, because we need the font's height and
502 * information about the width of characters */
503 xcb_query_font_cookie_t query_font_cookie;
504 query_font_cookie = xcb_query_font(xcb_connection,
507 /* To grab modifiers without blocking other applications from receiving key-events
508 * involving that modifier, we sadly have to use xkb which is not yet fully supported
510 if (config.hide_on_modifier) {
511 int xkb_major, xkb_minor, xkb_errbase, xkb_err;
512 xkb_major = XkbMajorVersion;
513 xkb_minor = XkbMinorVersion;
515 xkb_dpy = XkbOpenDisplay(NULL,
522 if (xkb_dpy == NULL) {
527 if (fcntl(ConnectionNumber(xkb_dpy), F_SETFD, FD_CLOEXEC) == -1) {
528 ELOG("Could not set FD_CLOEXEC on xkbdpy: %s\n", strerror(errno));
533 if (!XkbQueryExtension(xkb_dpy, &i1, &xkb_event_base, &xkb_errbase, &xkb_major, &xkb_minor)) {
534 ELOG("XKB not supported by X-server!\n");
538 if (!XkbSelectEvents(xkb_dpy, XkbUseCoreKbd, XkbStateNotifyMask, XkbStateNotifyMask)) {
539 ELOG("Could not grab Key!\n");
543 xkb_io = malloc(sizeof(ev_io));
544 ev_io_init(xkb_io, &xkb_io_cb, ConnectionNumber(xkb_dpy), EV_READ);
545 ev_io_start(main_loop, xkb_io);
549 /* We draw the statusline to a seperate pixmap, because it looks the same on all bars and
550 * this way, we can choose to crop it */
551 uint32_t mask = XCB_GC_FOREGROUND;
552 uint32_t vals[3] = { colors.bar_bg, colors.bar_bg, xcb_font };
554 statusline_clear = xcb_generate_id(xcb_connection);
555 xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
561 mask |= XCB_GC_BACKGROUND | XCB_GC_FONT;
562 vals[0] = colors.bar_fg;
563 statusline_ctx = xcb_generate_id(xcb_connection);
564 xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
570 statusline_pm = xcb_generate_id(xcb_connection);
571 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
572 xcb_screen->root_depth,
575 xcb_screen->width_in_pixels,
576 xcb_screen->height_in_pixels);
579 /* The various Watchers to communicate with xcb */
580 xcb_io = malloc(sizeof(ev_io));
581 xcb_prep = malloc(sizeof(ev_prepare));
582 xcb_chk = malloc(sizeof(ev_check));
584 ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
585 ev_prepare_init(xcb_prep, &xcb_prep_cb);
586 ev_check_init(xcb_chk, &xcb_chk_cb);
588 ev_io_start(main_loop, xcb_io);
589 ev_prepare_start(main_loop, xcb_prep);
590 ev_check_start(main_loop, xcb_chk);
592 /* Now we get the atoms and save them in a nice data structure */
595 xcb_get_property_cookie_t path_cookie;
596 path_cookie = xcb_get_property_unchecked(xcb_connection,
599 atoms[I3_SOCKET_PATH],
600 XCB_GET_PROPERTY_TYPE_ANY,
603 /* We check, if i3 set its socket-path */
604 xcb_get_property_reply_t *path_reply = xcb_get_property_reply(xcb_connection,
609 int len = xcb_get_property_value_length(path_reply);
611 path = strndup(xcb_get_property_value(path_reply), len);
615 /* Now we save the font-infos */
616 font_info = xcb_query_font_reply(xcb_connection,
620 if (xcb_request_failed(open_font_cookie, "Could not open font")) {
624 font_height = font_info->font_ascent + font_info->font_descent;
626 if (xcb_query_font_char_infos_length(font_info) == 0) {
629 font_table = xcb_query_font_char_infos(font_info);
632 DLOG("Calculated Font-height: %d\n", font_height);
634 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
635 xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
636 xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
644 * Cleanup the xcb-stuff.
645 * Called once, before the program terminates.
651 SLIST_FOREACH(o_walk, outputs, slist) {
652 destroy_window(o_walk);
653 FREE(o_walk->workspaces);
656 FREE_SLIST(outputs, i3_output);
659 xcb_disconnect(xcb_connection);
661 ev_check_stop(main_loop, xcb_chk);
662 ev_prepare_stop(main_loop, xcb_prep);
663 ev_io_stop(main_loop, xcb_io);
672 * Get the earlier requested atoms and save them in the prepared data structure
676 xcb_intern_atom_reply_t *reply;
677 #define ATOM_DO(name) reply = xcb_intern_atom_reply(xcb_connection, atom_cookies[name], NULL); \
678 if (reply == NULL) { \
679 ELOG("Could not get atom %s\n", #name); \
680 exit(EXIT_FAILURE); \
682 atoms[name] = reply->atom; \
685 #include "xcb_atoms.def"
690 * Destroy the bar of the specified output
693 void destroy_window(i3_output *output) {
694 if (output == NULL) {
697 if (output->bar == XCB_NONE) {
700 xcb_destroy_window(xcb_connection, output->bar);
701 output->bar = XCB_NONE;
705 * Reallocate the statusline-buffer
708 void realloc_sl_buffer() {
709 DLOG("Re-allocating statusline-buffer, statusline_width = %d, xcb_screen->width_in_pixels = %d\n",
710 statusline_width, xcb_screen->width_in_pixels);
711 xcb_free_pixmap(xcb_connection, statusline_pm);
712 statusline_pm = xcb_generate_id(xcb_connection);
713 xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
714 xcb_screen->root_depth,
717 MAX(xcb_screen->width_in_pixels, statusline_width),
718 xcb_screen->height_in_pixels);
720 uint32_t mask = XCB_GC_FOREGROUND;
721 uint32_t vals[3] = { colors.bar_bg, colors.bar_bg, xcb_font };
722 xcb_free_gc(xcb_connection, statusline_clear);
723 statusline_clear = xcb_generate_id(xcb_connection);
724 xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
730 mask |= XCB_GC_BACKGROUND | XCB_GC_FONT;
731 vals[0] = colors.bar_fg;
732 statusline_ctx = xcb_generate_id(xcb_connection);
733 xcb_free_gc(xcb_connection, statusline_ctx);
734 xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
740 if (xcb_request_failed(sl_pm_cookie, "Could not allocate statusline-buffer") ||
741 xcb_request_failed(clear_ctx_cookie, "Could not allocate statusline-buffer-clearcontext") ||
742 xcb_request_failed(sl_ctx_cookie, "Could not allocate statusline-buffer-context")) {
749 * Reconfigure all bars and create new bars for recently activated outputs
752 void reconfig_windows() {
757 SLIST_FOREACH(walk, outputs, slist) {
759 /* If an output is not active, we destroy its bar */
760 /* FIXME: Maybe we rather want to unmap? */
761 DLOG("Destroying window for output %s\n", walk->name);
762 destroy_window(walk);
765 if (walk->bar == XCB_NONE) {
766 DLOG("Creating Window for output %s\n", walk->name);
768 walk->bar = xcb_generate_id(xcb_connection);
769 walk->buffer = xcb_generate_id(xcb_connection);
770 mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
771 /* Black background */
772 values[0] = colors.bar_bg;
773 /* If hide_on_modifier is set, i3 is not supposed to manage our bar-windows */
774 values[1] = config.hide_on_modifier;
775 /* The events we want to receive */
776 values[2] = XCB_EVENT_MASK_EXPOSURE;
777 if (!config.disable_ws) {
778 values[2] |= XCB_EVENT_MASK_BUTTON_PRESS;
780 xcb_void_cookie_t win_cookie = xcb_create_window_checked(xcb_connection,
781 xcb_screen->root_depth,
784 walk->rect.x, walk->rect.y + walk->rect.h - font_height - 6,
785 walk->rect.w, font_height + 6,
787 XCB_WINDOW_CLASS_INPUT_OUTPUT,
788 xcb_screen->root_visual,
792 /* The double-buffer we use to render stuff off-screen */
793 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
794 xcb_screen->root_depth,
800 /* We want dock-windows (for now). When override_redirect is set, i3 is ignoring
802 xcb_void_cookie_t dock_cookie = xcb_change_property(xcb_connection,
803 XCB_PROP_MODE_REPLACE,
805 atoms[_NET_WM_WINDOW_TYPE],
809 (unsigned char*) &atoms[_NET_WM_WINDOW_TYPE_DOCK]);
811 /* We need to tell i3, where to reserve space for i3bar */
812 /* left, right, top, bottom, left_start_y, left_end_y,
813 * right_start_y, right_end_y, top_start_x, top_end_x, bottom_start_x,
815 /* A local struct to save the strut_partial property */
821 uint32_t left_start_y;
823 uint32_t right_start_y;
824 uint32_t right_end_y;
825 uint32_t top_start_x;
827 uint32_t bottom_start_x;
828 uint32_t bottom_end_x;
829 } __attribute__((__packed__)) strut_partial = {0,};
830 switch (config.dockpos) {
834 strut_partial.top = font_height + 6;
835 strut_partial.top_start_x = walk->rect.x;
836 strut_partial.top_end_x = walk->rect.x + walk->rect.w;
839 strut_partial.bottom = font_height + 6;
840 strut_partial.bottom_start_x = walk->rect.x;
841 strut_partial.bottom_end_x = walk->rect.x + walk->rect.w;
844 xcb_void_cookie_t strut_cookie = xcb_change_property(xcb_connection,
845 XCB_PROP_MODE_REPLACE,
847 atoms[_NET_WM_STRUT_PARTIAL],
853 /* We also want a graphics-context for the bars (it defines the properties
854 * with which we draw to them) */
855 walk->bargc = xcb_generate_id(xcb_connection);
857 values[0] = xcb_font;
858 xcb_void_cookie_t gc_cookie = xcb_create_gc_checked(xcb_connection,
864 /* We finally map the bar (display it on screen), unless the modifier-switch is on */
865 xcb_void_cookie_t map_cookie;
866 if (!config.hide_on_modifier) {
867 map_cookie = xcb_map_window_checked(xcb_connection, walk->bar);
870 if (xcb_request_failed(win_cookie, "Could not create window") ||
871 xcb_request_failed(pm_cookie, "Could not create pixmap") ||
872 xcb_request_failed(dock_cookie, "Could not set dock mode") ||
873 xcb_request_failed(strut_cookie, "Could not set strut") ||
874 xcb_request_failed(gc_cookie, "Could not create graphical context") ||
875 (!config.hide_on_modifier && xcb_request_failed(map_cookie, "Could not map window"))) {
879 /* We already have a bar, so we just reconfigure it */
880 mask = XCB_CONFIG_WINDOW_X |
881 XCB_CONFIG_WINDOW_Y |
882 XCB_CONFIG_WINDOW_WIDTH |
883 XCB_CONFIG_WINDOW_HEIGHT |
884 XCB_CONFIG_WINDOW_STACK_MODE;
885 values[0] = walk->rect.x;
886 values[1] = walk->rect.y + walk->rect.h - font_height - 6;
887 values[2] = walk->rect.w;
888 values[3] = font_height + 6;
889 values[4] = XCB_STACK_MODE_ABOVE;
891 DLOG("Destroying buffer for output %s", walk->name);
892 xcb_free_pixmap(xcb_connection, walk->buffer);
894 DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
895 xcb_void_cookie_t cfg_cookie = xcb_configure_window_checked(xcb_connection,
900 DLOG("Recreating buffer for output %s", walk->name);
901 xcb_void_cookie_t pm_cookie = xcb_create_pixmap_checked(xcb_connection,
902 xcb_screen->root_depth,
908 if (xcb_request_failed(cfg_cookie, "Could not reconfigure window")) {
911 if (xcb_request_failed(pm_cookie, "Could not create pixmap")) {
919 * Render the bars, with buttons and statusline
923 DLOG("Drawing Bars...\n");
926 refresh_statusline();
928 i3_output *outputs_walk;
929 SLIST_FOREACH(outputs_walk, outputs, slist) {
930 if (!outputs_walk->active) {
931 DLOG("Output %s inactive, skipping...\n", outputs_walk->name);
934 if (outputs_walk->bar == XCB_NONE) {
935 /* Oh shit, an active output without an own bar. Create it now! */
938 /* First things first: clear the backbuffer */
939 uint32_t color = colors.bar_bg;
940 xcb_change_gc(xcb_connection,
944 xcb_rectangle_t rect = { 0, 0, outputs_walk->rect.w, font_height + 6 };
945 xcb_poly_fill_rectangle(xcb_connection,
946 outputs_walk->buffer,
951 if (statusline != NULL) {
952 DLOG("Printing statusline!\n");
954 /* Luckily we already prepared a seperate pixmap containing the rendered
955 * statusline, we just have to copy the relevant parts to the relevant
957 xcb_copy_area(xcb_connection,
959 outputs_walk->buffer,
961 MAX(0, (int16_t)(statusline_width - outputs_walk->rect.w + 4)), 0,
962 MAX(0, (int16_t)(outputs_walk->rect.w - statusline_width - 4)), 3,
963 MIN(outputs_walk->rect.w - 4, statusline_width), font_height);
966 if (config.disable_ws) {
971 TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
972 DLOG("Drawing Button for WS %s at x = %d\n", ws_walk->name, i);
973 uint32_t fg_color = colors.inactive_ws_fg;
974 uint32_t bg_color = colors.inactive_ws_bg;
975 if (ws_walk->visible) {
976 if (!ws_walk->focused) {
977 fg_color = colors.active_ws_fg;
978 bg_color = colors.active_ws_bg;
980 fg_color = colors.focus_ws_fg;
981 bg_color = colors.focus_ws_bg;
984 if (ws_walk->urgent) {
985 DLOG("WS %s is urgent!\n", ws_walk->name);
986 fg_color = colors.urgent_ws_fg;
987 bg_color = colors.urgent_ws_bg;
988 /* The urgent-hint should get noticed, so we unhide the bars shortly */
991 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
992 uint32_t vals[] = { bg_color, bg_color };
993 xcb_change_gc(xcb_connection,
997 xcb_rectangle_t rect = { i + 1, 1, ws_walk->name_width + 8, font_height + 4 };
998 xcb_poly_fill_rectangle(xcb_connection,
999 outputs_walk->buffer,
1000 outputs_walk->bargc,
1003 xcb_change_gc(xcb_connection,
1004 outputs_walk->bargc,
1007 xcb_image_text_16(xcb_connection,
1008 ws_walk->name_glyphs,
1009 outputs_walk->buffer,
1010 outputs_walk->bargc,
1011 i + 5, font_info->font_ascent + 2,
1012 ws_walk->ucs2_name);
1013 i += 10 + ws_walk->name_width;
1023 * Redraw the bars, i.e. simply copy the buffer to the barwindow
1026 void redraw_bars() {
1027 i3_output *outputs_walk;
1028 SLIST_FOREACH(outputs_walk, outputs, slist) {
1029 if (!outputs_walk->active) {
1032 xcb_copy_area(xcb_connection,
1033 outputs_walk->buffer,
1035 outputs_walk->bargc,
1038 outputs_walk->rect.w,
1039 outputs_walk->rect.h);
1040 xcb_flush(xcb_connection);