]> git.sur5r.net Git - i3/i3/blobdiff - i3bar/src/xcb.c
Merge branch 'master' into next
[i3/i3] / i3bar / src / xcb.c
index 29ffe1c41cfe96e0d9fa7a28ebee2f81f00ac00c..adb4c76dfcb835fe21c2deb0126760a92db4fd35 100644 (file)
@@ -48,12 +48,12 @@ xcb_connection_t *xcb_connection;
 int              screen;
 xcb_screen_t     *xcb_screen;
 xcb_window_t     xcb_root;
-xcb_font_t       xcb_font;
 
-/* We need to cache some data to speed up text-width-prediction */
-xcb_query_font_reply_t *font_info;
-int                    font_height;
-xcb_charinfo_t         *font_table;
+/* This is needed for integration with libi3 */
+xcb_connection_t *conn;
+
+/* The font we'll use */
+static i3Font font;
 
 /* These are only relevant for XKB, which we only need for grabbing modifiers */
 Display          *xkb_dpy;
@@ -79,12 +79,16 @@ struct xcb_colors_t {
     uint32_t bar_bg;
     uint32_t active_ws_fg;
     uint32_t active_ws_bg;
+    uint32_t active_ws_border;
     uint32_t inactive_ws_fg;
     uint32_t inactive_ws_bg;
+    uint32_t inactive_ws_border;
     uint32_t urgent_ws_bg;
     uint32_t urgent_ws_fg;
+    uint32_t urgent_ws_border;
     uint32_t focus_ws_bg;
     uint32_t focus_ws_fg;
+    uint32_t focus_ws_border;
 };
 struct xcb_colors_t colors;
 
@@ -99,98 +103,31 @@ int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
     return 0;
 }
 
-/*
- * Predicts the length of text based on cached data.
- * The string has to be encoded in ucs2 and glyph_len has to be the length
- * of the string (in glyphs).
- *
- */
-uint32_t predict_text_extents(xcb_char2b_t *text, uint32_t length) {
-    /* If we don't have per-character data, return the maximum width */
-    if (font_table == NULL) {
-        return (font_info->max_bounds.character_width * length);
-    }
-
-    uint32_t width = 0;
-    uint32_t i;
-
-    for (i = 0; i < length; i++) {
-        xcb_charinfo_t *info;
-        int row = text[i].byte1;
-        int col = text[i].byte2;
-
-        if (row < font_info->min_byte1 || row > font_info->max_byte1 ||
-            col < font_info->min_char_or_byte2 || col > font_info->max_char_or_byte2) {
-            continue;
-        }
-
-        /* Don't you ask me, how this one works… */
-        info = &font_table[((row - font_info->min_byte1) *
-                            (font_info->max_char_or_byte2 - font_info->min_char_or_byte2 + 1)) +
-                           (col - font_info->min_char_or_byte2)];
-
-        if (info->character_width != 0 ||
-            (info->right_side_bearing |
-             info->left_side_bearing |
-             info->ascent |
-             info->descent) != 0) {
-            width += info->character_width;
-        }
-    }
-
-    return width;
-}
-
-/*
- * Draws text given in UCS-2-encoding to a given drawable and position
- *
- */
-void draw_text(xcb_drawable_t drawable, xcb_gcontext_t ctx, int16_t x, int16_t y,
-               xcb_char2b_t *text, uint32_t glyph_count) {
-    int offset = 0;
-    int16_t pos_x = x;
-    int16_t font_ascent = font_info->font_ascent;
-
-    while (glyph_count > 0) {
-        uint8_t chunk_size = MIN(255, glyph_count);
-        uint32_t chunk_width = predict_text_extents(text + offset, chunk_size);
-
-        xcb_image_text_16(xcb_connection,
-                          chunk_size,
-                          drawable,
-                          ctx,
-                          pos_x, y + font_ascent,
-                          text + offset);
-
-        offset += chunk_size;
-        pos_x += chunk_width;
-        glyph_count -= chunk_size;
-    }
-}
-
 /*
  * Redraws the statusline to the buffer
  *
  */
 void refresh_statusline() {
-    int glyph_count;
+    size_t glyph_count;
 
     if (statusline == NULL) {
         return;
     }
 
-    xcb_char2b_t *text = (xcb_char2b_t*) convert_utf8_to_ucs2(statusline, &glyph_count);
+    xcb_char2b_t *text = (xcb_char2b_t*)convert_utf8_to_ucs2(statusline, &glyph_count);
     uint32_t old_statusline_width = statusline_width;
-    statusline_width = predict_text_extents(text, glyph_count);
+    statusline_width = predict_text_width((char*)text, glyph_count, true);
     /* If the statusline is bigger than our screen we need to make sure that
      * the pixmap provides enough space, so re-allocate if the width grew */
     if (statusline_width > xcb_screen->width_in_pixels &&
         statusline_width > old_statusline_width)
         realloc_sl_buffer();
 
-    xcb_rectangle_t rect = { 0, 0, xcb_screen->width_in_pixels, font_height };
+    xcb_rectangle_t rect = { 0, 0, xcb_screen->width_in_pixels, font.height };
     xcb_poly_fill_rectangle(xcb_connection, statusline_pm, statusline_clear, 1, &rect);
-    draw_text(statusline_pm, statusline_ctx, 0, 0, text, glyph_count);
+    set_font_colors(statusline_ctx, colors.bar_fg, colors.bar_bg);
+    draw_text((char*)text, glyph_count, true, statusline_pm, statusline_ctx,
+            0, 0, xcb_screen->width_in_pixels);
 
     FREE(text);
 }
@@ -242,9 +179,9 @@ void unhide_bars() {
         values[0] = walk->rect.x;
         if (config.position == POS_TOP)
             values[1] = walk->rect.y;
-        else values[1] = walk->rect.y + walk->rect.h - font_height - 6;
+        else values[1] = walk->rect.y + walk->rect.h - font.height - 6;
         values[2] = walk->rect.w;
-        values[3] = font_height + 6;
+        values[3] = font.height + 6;
         values[4] = XCB_STACK_MODE_ABOVE;
         DLOG("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
         cookie = xcb_configure_window_checked(xcb_connection,
@@ -272,12 +209,16 @@ void init_colors(const struct xcb_color_strings_t *new_colors) {
     PARSE_COLOR(bar_bg, "#000000");
     PARSE_COLOR(active_ws_fg, "#FFFFFF");
     PARSE_COLOR(active_ws_bg, "#333333");
+    PARSE_COLOR(active_ws_border, "#333333");
     PARSE_COLOR(inactive_ws_fg, "#888888");
     PARSE_COLOR(inactive_ws_bg, "#222222");
+    PARSE_COLOR(inactive_ws_border, "#333333");
     PARSE_COLOR(urgent_ws_fg, "#FFFFFF");
     PARSE_COLOR(urgent_ws_bg, "#900000");
+    PARSE_COLOR(urgent_ws_border, "#2f343a");
     PARSE_COLOR(focus_ws_fg, "#FFFFFF");
     PARSE_COLOR(focus_ws_bg, "#285577");
+    PARSE_COLOR(focus_ws_border, "#4c7899");
 #undef PARSE_COLOR
 }
 
@@ -378,8 +319,8 @@ static void configure_trayclients() {
             clients++;
 
             DLOG("Configuring tray window %08x to x=%d\n",
-                 trayclient->win, output->rect.w - (clients * (font_height + 2)));
-            uint32_t x = output->rect.w - (clients * (font_height + 2));
+                 trayclient->win, output->rect.w - (clients * (font.height + 2)));
+            uint32_t x = output->rect.w - (clients * (font.height + 2));
             xcb_configure_window(xcb_connection,
                                  trayclient->win,
                                  XCB_CONFIG_WINDOW_X,
@@ -465,7 +406,7 @@ static void handle_client_message(xcb_client_message_event_t* event) {
             xcb_reparent_window(xcb_connection,
                                 client,
                                 output->bar,
-                                output->rect.w - font_height - 2,
+                                output->rect.w - font.height - 2,
                                 2);
             /* We reconfigure the window to use a reasonable size. The systray
              * specification explicitly says:
@@ -473,8 +414,8 @@ static void handle_client_message(xcb_client_message_event_t* event) {
              *   should do their best to cope with any size effectively
              */
             mask = XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT;
-            values[0] = font_height;
-            values[1] = font_height;
+            values[0] = font.height;
+            values[1] = font.height;
             xcb_configure_window(xcb_connection,
                                  client,
                                  mask,
@@ -649,10 +590,10 @@ static void handle_configure_request(xcb_configure_request_event_t *event) {
                 continue;
 
             xcb_rectangle_t rect;
-            rect.x = output->rect.w - (clients * (font_height + 2));
+            rect.x = output->rect.w - (clients * (font.height + 2));
             rect.y = 2;
-            rect.width = font_height;
-            rect.height = font_height;
+            rect.width = font.height;
+            rect.height = font.height;
 
             DLOG("This is a tray window. x = %d\n", rect.x);
             fake_configure_notify(xcb_connection, rect, event->window, 0);
@@ -751,19 +692,47 @@ void xkb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
         }
 
         unsigned int mods = ev.state.mods;
-        modstate = mods & Mod4Mask;
+        modstate = mods & config.modifier;
     }
 
+#define DLOGMOD(modmask, status, barfunc) \
+    do { \
+        switch (modmask) { \
+            case ShiftMask: \
+                DLOG("ShiftMask got " #status "!\n"); \
+                break; \
+            case ControlMask: \
+                DLOG("ControlMask got " #status "!\n"); \
+                break; \
+            case Mod1Mask: \
+                DLOG("Mod1Mask got " #status "!\n"); \
+                break; \
+            case Mod2Mask: \
+                DLOG("Mod2Mask got " #status "!\n"); \
+                break; \
+            case Mod3Mask: \
+                DLOG("Mod3Mask got " #status "!\n"); \
+                break; \
+            case Mod4Mask: \
+                DLOG("Mod4Mask got " #status "!\n"); \
+                break; \
+            case Mod5Mask: \
+                DLOG("Mod5Mask got " #status "!\n"); \
+                break; \
+        } \
+        barfunc(); \
+    } while (0)
+
     if (modstate != mod_pressed) {
         if (modstate == 0) {
-            DLOG("Mod4 got released!\n");
-            hide_bars();
+            DLOGMOD(config.modifier, released, hide_bars);
         } else {
-            DLOG("Mod4 got pressed!\n");
-            unhide_bars();
+            DLOGMOD(config.modifier, pressed, unhide_bars);
         }
         mod_pressed = modstate;
     }
+
+#undef DLOGMOD
 }
 
 /*
@@ -778,6 +747,7 @@ char *init_xcb_early() {
         ELOG("Cannot open display\n");
         exit(EXIT_FAILURE);
     }
+    conn = xcb_connection;
     DLOG("Connected to xcb\n");
 
     /* We have to request the atoms we need */
@@ -799,14 +769,12 @@ char *init_xcb_early() {
                                                                mask,
                                                                vals);
 
-    mask |= XCB_GC_BACKGROUND;
-    vals[0] = colors.bar_fg;
     statusline_ctx = xcb_generate_id(xcb_connection);
     xcb_void_cookie_t sl_ctx_cookie = xcb_create_gc_checked(xcb_connection,
                                                             statusline_ctx,
                                                             xcb_root,
-                                                            mask,
-                                                            vals);
+                                                            0,
+                                                            NULL);
 
     statusline_pm = xcb_generate_id(xcb_connection);
     xcb_void_cookie_t sl_pm_cookie = xcb_create_pixmap_checked(xcb_connection,
@@ -869,29 +837,13 @@ char *init_xcb_early() {
  *
  */
 void init_xcb_late(char *fontname) {
-    if (fontname == NULL) {
-        /* XXX: font fallback to 'misc' like i3 does it would be good. */
+    if (fontname == NULL)
         fontname = "-misc-fixed-medium-r-normal--13-120-75-75-C-70-iso10646-1";
-    }
 
-    /* We load and allocate the font */
-    xcb_font = xcb_generate_id(xcb_connection);
-    xcb_void_cookie_t open_font_cookie;
-    open_font_cookie = xcb_open_font_checked(xcb_connection,
-                                             xcb_font,
-                                             strlen(fontname),
-                                             fontname);
-
-    /* We need to save info about the font, because we need the font's height and
-     * information about the width of characters */
-    xcb_query_font_cookie_t query_font_cookie;
-    query_font_cookie = xcb_query_font(xcb_connection,
-                                       xcb_font);
-
-    xcb_change_gc(xcb_connection,
-                  statusline_ctx,
-                  XCB_GC_FONT,
-                  (uint32_t[]){ xcb_font });
+    /* Load the font */
+    font = load_font(fontname, true);
+    set_font(&font);
+    DLOG("Calculated Font-height: %d\n", font.height);
 
     xcb_flush(xcb_connection);
 
@@ -936,25 +888,6 @@ void init_xcb_late(char *fontname) {
         ev_io_start(main_loop, xkb_io);
         XFlush(xkb_dpy);
     }
-
-    /* Now we save the font-infos */
-    font_info = xcb_query_font_reply(xcb_connection,
-                                     query_font_cookie,
-                                     NULL);
-
-    if (xcb_request_failed(open_font_cookie, "Could not open font")) {
-        exit(EXIT_FAILURE);
-    }
-
-    font_height = font_info->font_ascent + font_info->font_descent;
-
-    if (xcb_query_font_char_infos_length(font_info) == 0) {
-        font_table = NULL;
-    } else {
-        font_table = xcb_query_font_char_infos(font_info);
-    }
-
-    DLOG("Calculated Font-height: %d\n", font_height);
 }
 
 /*
@@ -1084,7 +1017,6 @@ void clean_xcb() {
     FREE(xcb_chk);
     FREE(xcb_prep);
     FREE(xcb_io);
-    FREE(font_info);
 }
 
 /*
@@ -1137,7 +1069,7 @@ void realloc_sl_buffer() {
                                                                xcb_screen->height_in_pixels);
 
     uint32_t mask = XCB_GC_FOREGROUND;
-    uint32_t vals[3] = { colors.bar_bg, colors.bar_bg, xcb_font };
+    uint32_t vals[2] = { colors.bar_bg, colors.bar_bg };
     xcb_free_gc(xcb_connection, statusline_clear);
     statusline_clear = xcb_generate_id(xcb_connection);
     xcb_void_cookie_t clear_ctx_cookie = xcb_create_gc_checked(xcb_connection,
@@ -1146,7 +1078,7 @@ void realloc_sl_buffer() {
                                                                mask,
                                                                vals);
 
-    mask |= XCB_GC_BACKGROUND | XCB_GC_FONT;
+    mask |= XCB_GC_BACKGROUND;
     vals[0] = colors.bar_fg;
     statusline_ctx = xcb_generate_id(xcb_connection);
     xcb_free_gc(xcb_connection, statusline_ctx);
@@ -1207,8 +1139,8 @@ void reconfig_windows() {
                                                                      xcb_screen->root_depth,
                                                                      walk->bar,
                                                                      xcb_root,
-                                                                     walk->rect.x, walk->rect.y + walk->rect.h - font_height - 6,
-                                                                     walk->rect.w, font_height + 6,
+                                                                     walk->rect.x, walk->rect.y + walk->rect.h - font.height - 6,
+                                                                     walk->rect.w, font.height + 6,
                                                                      1,
                                                                      XCB_WINDOW_CLASS_INPUT_OUTPUT,
                                                                      xcb_screen->root_visual,
@@ -1282,12 +1214,12 @@ void reconfig_windows() {
                 case POS_NONE:
                     break;
                 case POS_TOP:
-                    strut_partial.top = font_height + 6;
+                    strut_partial.top = font.height + 6;
                     strut_partial.top_start_x = walk->rect.x;
                     strut_partial.top_end_x = walk->rect.x + walk->rect.w;
                     break;
                 case POS_BOT:
-                    strut_partial.bottom = font_height + 6;
+                    strut_partial.bottom = font.height + 6;
                     strut_partial.bottom_start_x = walk->rect.x;
                     strut_partial.bottom_end_x = walk->rect.x + walk->rect.w;
                     break;
@@ -1304,13 +1236,11 @@ void reconfig_windows() {
             /* We also want a graphics-context for the bars (it defines the properties
              * with which we draw to them) */
             walk->bargc = xcb_generate_id(xcb_connection);
-            mask = XCB_GC_FONT;
-            values[0] = xcb_font;
             xcb_void_cookie_t gc_cookie = xcb_create_gc_checked(xcb_connection,
                                                                 walk->bargc,
                                                                 walk->bar,
-                                                                mask,
-                                                                values);
+                                                                0,
+                                                                NULL);
 
             /* We finally map the bar (display it on screen), unless the modifier-switch is on */
             xcb_void_cookie_t map_cookie;
@@ -1343,9 +1273,9 @@ void reconfig_windows() {
                    XCB_CONFIG_WINDOW_HEIGHT |
                    XCB_CONFIG_WINDOW_STACK_MODE;
             values[0] = walk->rect.x;
-            values[1] = walk->rect.y + walk->rect.h - font_height - 6;
+            values[1] = walk->rect.y + walk->rect.h - font.height - 6;
             values[2] = walk->rect.w;
-            values[3] = font_height + 6;
+            values[3] = font.height + 6;
             values[4] = XCB_STACK_MODE_ABOVE;
 
             DLOG("Destroying buffer for output %s", walk->name);
@@ -1401,7 +1331,7 @@ void draw_bars() {
                       outputs_walk->bargc,
                       XCB_GC_FOREGROUND,
                       &color);
-        xcb_rectangle_t rect = { 0, 0, outputs_walk->rect.w, font_height + 6 };
+        xcb_rectangle_t rect = { 0, 0, outputs_walk->rect.w, font.height + 6 };
         xcb_poly_fill_rectangle(xcb_connection,
                                 outputs_walk->buffer,
                                 outputs_walk->bargc,
@@ -1422,7 +1352,7 @@ void draw_bars() {
                 /* We assume the tray icons are quadratic (we use the font
                  * *height* as *width* of the icons) because we configured them
                  * like this. */
-                traypx += font_height + 2;
+                traypx += font.height + 2;
             }
             /* Add 2px of padding if there are any tray icons */
             if (traypx > 0)
@@ -1433,7 +1363,7 @@ void draw_bars() {
                           outputs_walk->bargc,
                           MAX(0, (int16_t)(statusline_width - outputs_walk->rect.w + 4)), 0,
                           MAX(0, (int16_t)(outputs_walk->rect.w - statusline_width - traypx - 4)), 3,
-                          MIN(outputs_walk->rect.w - traypx - 4, statusline_width), font_height);
+                          MIN(outputs_walk->rect.w - traypx - 4, statusline_width), font.height);
         }
 
         if (config.disable_ws) {
@@ -1445,45 +1375,53 @@ void draw_bars() {
             DLOG("Drawing Button for WS %s at x = %d\n", ws_walk->name, i);
             uint32_t fg_color = colors.inactive_ws_fg;
             uint32_t bg_color = colors.inactive_ws_bg;
+            uint32_t border_color = colors.inactive_ws_border;
             if (ws_walk->visible) {
                 if (!ws_walk->focused) {
                     fg_color = colors.active_ws_fg;
                     bg_color = colors.active_ws_bg;
+                    border_color = colors.active_ws_border;
                 } else {
                     fg_color = colors.focus_ws_fg;
                     bg_color = colors.focus_ws_bg;
+                    border_color = colors.focus_ws_border;
                 }
             }
             if (ws_walk->urgent) {
                 DLOG("WS %s is urgent!\n", ws_walk->name);
                 fg_color = colors.urgent_ws_fg;
                 bg_color = colors.urgent_ws_bg;
+                border_color = colors.urgent_ws_border;
                 /* The urgent-hint should get noticed, so we unhide the bars shortly */
                 unhide_bars();
             }
             uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND;
+            uint32_t vals_border[] = { border_color, border_color };
+            xcb_change_gc(xcb_connection,
+                          outputs_walk->bargc,
+                          mask,
+                          vals_border);
+            xcb_rectangle_t rect_border = { i + 1, 0, ws_walk->name_width + 10, font.height + 4 };
+            xcb_poly_fill_rectangle(xcb_connection,
+                                    outputs_walk->buffer,
+                                    outputs_walk->bargc,
+                                    1,
+                                    &rect_border);
             uint32_t vals[] = { bg_color, bg_color };
             xcb_change_gc(xcb_connection,
                           outputs_walk->bargc,
                           mask,
                           vals);
-            xcb_rectangle_t rect = { i + 1, 1, ws_walk->name_width + 8, font_height + 4 };
+            xcb_rectangle_t rect = { i + 2, 1, ws_walk->name_width + 8, font.height + 2 };
             xcb_poly_fill_rectangle(xcb_connection,
                                     outputs_walk->buffer,
                                     outputs_walk->bargc,
                                     1,
                                     &rect);
-            xcb_change_gc(xcb_connection,
-                          outputs_walk->bargc,
-                          XCB_GC_FOREGROUND,
-                          &fg_color);
-            xcb_image_text_16(xcb_connection,
-                              ws_walk->name_glyphs,
-                              outputs_walk->buffer,
-                              outputs_walk->bargc,
-                              i + 5, font_info->font_ascent + 2,
-                              ws_walk->ucs2_name);
-            i += 10 + ws_walk->name_width;
+            set_font_colors(outputs_walk->bargc, fg_color, bg_color);
+            draw_text((char*)ws_walk->ucs2_name, ws_walk->name_glyphs, true,
+                    outputs_walk->buffer, outputs_walk->bargc, i + 6, 2, ws_walk->name_width);
+            i += 12 + ws_walk->name_width;
         }
 
         i = 0;