]> git.sur5r.net Git - i3/i3/blobdiff - i3bar/src/xcb.c
i3bar: Port to i3String
[i3/i3] / i3bar / src / xcb.c
index 4a5ff69a9d4a291638fa6682a34c8d21ed289102..be3ca35aa040a4ca82a466f080f5fa1e09ca5d45 100644 (file)
@@ -10,6 +10,7 @@
 #include <xcb/xcb.h>
 #include <xcb/xproto.h>
 #include <xcb/xcb_atom.h>
+#include <xcb/xcb_aux.h>
 
 #ifdef XCB_COMPAT
 #include "xcb_compat.h"
@@ -79,12 +80,16 @@ 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;
 
@@ -104,28 +109,53 @@ int _xcb_request_failed(xcb_void_cookie_t cookie, char *err_msg, int line) {
  *
  */
 void refresh_statusline() {
-    size_t glyph_count;
+    struct status_block *block;
 
-    if (statusline == NULL) {
-        return;
+    uint32_t old_statusline_width = statusline_width;
+    statusline_width = 0;
+
+    /* Predict the text width of all blocks (in pixels). */
+    TAILQ_FOREACH(block, &statusline_head, blocks) {
+        if (i3string_get_num_bytes(block->full_text) == 0)
+            continue;
+
+        block->width = predict_text_width((char *)i3string_as_ucs2(block->full_text), i3string_get_num_glyphs(block->full_text), true);
+        /* If this is not the last block, add some pixels for a separator. */
+        if (TAILQ_NEXT(block, blocks) != NULL)
+            block->width += 9;
+        statusline_width += block->width;
     }
 
-    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_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();
 
+    /* Clear the statusline pixmap. */
     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);
-    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);
+    /* Draw the text of each block. */
+    uint32_t x = 0;
+    TAILQ_FOREACH(block, &statusline_head, blocks) {
+        if (i3string_get_num_bytes(block->full_text) == 0)
+            continue;
+
+        uint32_t colorpixel = (block->color ? get_colorpixel(block->color) : colors.bar_fg);
+        set_font_colors(statusline_ctx, colorpixel, colors.bar_bg);
+        draw_text((char *)i3string_as_ucs2(block->full_text), i3string_get_num_glyphs(block->full_text),
+                  true, statusline_pm, statusline_ctx, x, 0, block->width);
+        x += block->width;
+
+        if (TAILQ_NEXT(block, blocks) != NULL) {
+            /* This is not the last block, draw a separator. */
+            set_font_colors(statusline_ctx, get_colorpixel("#666666"), colors.bar_bg);
+            xcb_poly_line(xcb_connection, XCB_COORD_MODE_ORIGIN, statusline_pm,
+                          statusline_ctx, 2,
+                          (xcb_point_t[]){ { x - 5, 2 }, { x - 5, font.height - 2 } });
+        }
+    }
 }
 
 /*
@@ -205,12 +235,16 @@ 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
 }
 
@@ -249,7 +283,7 @@ void handle_button(xcb_button_press_event_t *event) {
         return;
     }
 
-    int32_t x = event->event_x;
+    int32_t x = event->event_x >= 0 ? event->event_x : 0;
 
     DLOG("Got Button %d\n", event->detail);
 
@@ -259,10 +293,10 @@ void handle_button(xcb_button_press_event_t *event) {
              * and set cur_ws accordingly */
             TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
                 DLOG("x = %d\n", x);
-                if (x < cur_ws->name_width + 10) {
+                if (x >= 0 && x < cur_ws->name_width + 10) {
                     break;
                 }
-                x -= cur_ws->name_width + 10;
+                x -= cur_ws->name_width + 11;
             }
             if (cur_ws == NULL) {
                 return;
@@ -270,26 +304,49 @@ void handle_button(xcb_button_press_event_t *event) {
             break;
         case 4:
             /* Mouse wheel down. We select the next ws */
-            if (cur_ws == TAILQ_FIRST(walk->workspaces)) {
-                cur_ws = TAILQ_LAST(walk->workspaces, ws_head);
-            } else {
+            if (cur_ws != TAILQ_FIRST(walk->workspaces)) {
                 cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
             }
             break;
         case 5:
             /* Mouse wheel up. We select the previos ws */
-            if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head)) {
-                cur_ws = TAILQ_FIRST(walk->workspaces);
-            } else {
+            if (cur_ws != TAILQ_LAST(walk->workspaces, ws_head)) {
                 cur_ws = TAILQ_NEXT(cur_ws, tailq);
             }
             break;
     }
 
-    const size_t len = strlen(cur_ws->name) + strlen("workspace \"\"") + 1;
-    char buffer[len];
-    snprintf(buffer, len, "workspace \"%s\"", cur_ws->name);
+    /* To properly handle workspace names with double quotes in them, we need
+     * to escape the double quotes. Unfortunately, that’s rather ugly in C: We
+     * first count the number of double quotes, then we allocate a large enough
+     * buffer, then we copy character by character. */
+    int num_quotes = 0;
+    size_t namelen = 0;
+    const char *utf8_name = i3string_as_utf8(cur_ws->name);
+    for (const char *walk = utf8_name; *walk != '\0'; walk++) {
+        if (*walk == '"')
+            num_quotes++;
+        /* While we’re looping through the name anyway, we can save one
+         * strlen(). */
+        namelen++;
+    }
+
+    const size_t len = namelen + strlen("workspace \"\"") + 1;
+    char *buffer = scalloc(len+num_quotes);
+    strncpy(buffer, "workspace \"", strlen("workspace \""));
+    int inpos, outpos;
+    for (inpos = 0, outpos = strlen("workspace \"");
+         inpos < namelen;
+         inpos++, outpos++) {
+        if (utf8_name[inpos] == '"') {
+            buffer[outpos] = '\\';
+            outpos++;
+        }
+        buffer[outpos] = utf8_name[inpos];
+    }
+    buffer[outpos] = '"';
     i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
+    free(buffer);
 }
 
 /*
@@ -355,17 +412,24 @@ static void handle_client_message(xcb_client_message_event_t* event) {
             bool map_it = true;
             int xe_version = 1;
             xcb_get_property_cookie_t xembedc;
-            xembedc = xcb_get_property_unchecked(xcb_connection,
-                                                 0,
-                                                 client,
-                                                 atoms[_XEMBED_INFO],
-                                                 XCB_GET_PROPERTY_TYPE_ANY,
-                                                 0,
-                                                 2 * 32);
+            xcb_generic_error_t *error;
+            xembedc = xcb_get_property(xcb_connection,
+                                       0,
+                                       client,
+                                       atoms[_XEMBED_INFO],
+                                       XCB_GET_PROPERTY_TYPE_ANY,
+                                       0,
+                                       2 * 32);
 
             xcb_get_property_reply_t *xembedr = xcb_get_property_reply(xcb_connection,
                                                                        xembedc,
-                                                                       NULL);
+                                                                       &error);
+            if (error != NULL) {
+                ELOG("Error getting _XEMBED_INFO property: error_code %d\n",
+                     error->error_code);
+                free(error);
+                return;
+            }
             if (xembedr != NULL && xembedr->length != 0) {
                 DLOG("xembed format = %d, len = %d\n", xembedr->format, xembedr->length);
                 uint32_t *xembed = xcb_get_property_value(xembedr);
@@ -385,11 +449,26 @@ static void handle_client_message(xcb_client_message_event_t* event) {
             SLIST_FOREACH(walk, outputs, slist) {
                 if (!walk->active)
                     continue;
-                if (config.tray_output &&
-                    strcasecmp(walk->name, config.tray_output) != 0)
-                    continue;
+                if (config.tray_output) {
+                    if ((strcasecmp(walk->name, config.tray_output) != 0) &&
+                        (!walk->primary || strcasecmp("primary", config.tray_output) != 0))
+                        continue;
+                }
+
                 DLOG("using output %s\n", walk->name);
                 output = walk;
+                break;
+            }
+            /* In case of tray_output == primary and there is no primary output
+             * configured, we fall back to the first available output. */
+            if (output == NULL && strcasecmp("primary", config.tray_output) == 0) {
+                SLIST_FOREACH(walk, outputs, slist) {
+                    if (!walk->active)
+                        continue;
+                    DLOG("Falling back to output %s because no primary output is configured\n", walk->name);
+                    output = walk;
+                    break;
+                }
             }
             if (output == NULL) {
                 ELOG("No output found\n");
@@ -684,19 +763,47 @@ 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
 }
 
 /*
@@ -718,7 +825,7 @@ char *init_xcb_early() {
     #define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
     #include "xcb_atoms.def"
 
-    xcb_screen = xcb_setup_roots_iterator(xcb_get_setup(xcb_connection)).data;
+    xcb_screen = xcb_aux_get_screen(xcb_connection, screen);
     xcb_root = xcb_screen->root;
 
     /* We draw the statusline to a seperate pixmap, because it looks the same on all bars and
@@ -938,7 +1045,7 @@ void init_tray() {
     xcb_send_event(xcb_connection,
                    0,
                    xcb_root,
-                   XCB_EVENT_MASK_STRUCTURE_NOTIFY,
+                   0xFFFFFF,
                    (char*)ev);
     free(event);
     free(tray_reply);
@@ -951,18 +1058,8 @@ void init_tray() {
  */
 void clean_xcb() {
     i3_output *o_walk;
-    trayclient *trayclient;
     free_workspaces();
     SLIST_FOREACH(o_walk, outputs, slist) {
-        TAILQ_FOREACH(trayclient, o_walk->trayclients, tailq) {
-            /* Unmap, then reparent (to root) the tray client windows */
-            xcb_unmap_window(xcb_connection, trayclient->win);
-            xcb_reparent_window(xcb_connection,
-                                trayclient->win,
-                                xcb_root,
-                                0,
-                                0);
-        }
         destroy_window(o_walk);
         FREE(o_walk->trayclients);
         FREE(o_walk->workspaces);
@@ -1001,6 +1098,33 @@ void get_atoms() {
     DLOG("Got Atoms\n");
 }
 
+/*
+ * Reparents all tray clients of the specified output to the root window. This
+ * is either used when shutting down, when an output appears (xrandr --output
+ * VGA1 --off) or when the primary output changes.
+ *
+ * Applications using the tray will start the protocol from the beginning again
+ * afterwards.
+ *
+ */
+void kick_tray_clients(i3_output *output) {
+    trayclient *trayclient;
+    while (!TAILQ_EMPTY(output->trayclients)) {
+        trayclient = TAILQ_FIRST(output->trayclients);
+        /* Unmap, then reparent (to root) the tray client windows */
+        xcb_unmap_window(xcb_connection, trayclient->win);
+        xcb_reparent_window(xcb_connection,
+                            trayclient->win,
+                            xcb_root,
+                            0,
+                            0);
+
+        /* We remove the trayclient right here. We might receive an UnmapNotify
+         * event afterwards, but better safe than sorry. */
+        TAILQ_REMOVE(output->trayclients, trayclient, tailq);
+    }
+}
+
 /*
  * Destroy the bar of the specified output
  *
@@ -1012,6 +1136,8 @@ void destroy_window(i3_output *output) {
     if (output->bar == XCB_NONE) {
         return;
     }
+
+    kick_tray_clients(output);
     xcb_destroy_window(xcb_connection, output->bar);
     output->bar = XCB_NONE;
 }
@@ -1302,7 +1428,7 @@ void draw_bars() {
                                 1,
                                 &rect);
 
-        if (statusline != NULL) {
+        if (!TAILQ_EMPTY(&statusline_head)) {
             DLOG("Printing statusline!\n");
 
             /* Luckily we already prepared a seperate pixmap containing the rendered
@@ -1335,42 +1461,72 @@ void draw_bars() {
         }
 
         i3_ws *ws_walk;
+        static char *last_urgent_ws = NULL;
+        bool has_urgent = false, walks_away = true;
+
         TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
-            DLOG("Drawing Button for WS %s at x = %d\n", ws_walk->name, i);
+            DLOG("Drawing Button for WS %s at x = %d, len = %d\n", i3string_as_utf8(ws_walk->name), i, ws_walk->name_width);
             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 (last_urgent_ws && strcmp(i3string_as_utf8(ws_walk->name), last_urgent_ws) == 0)
+                        walks_away = false;
                 }
             }
             if (ws_walk->urgent) {
-                DLOG("WS %s is urgent!\n", ws_walk->name);
+                DLOG("WS %s is urgent!\n", i3string_as_utf8(ws_walk->name));
                 fg_color = colors.urgent_ws_fg;
                 bg_color = colors.urgent_ws_bg;
+                border_color = colors.urgent_ws_border;
+                has_urgent = true;
+                if (!ws_walk->focused) {
+                    FREE(last_urgent_ws);
+                    last_urgent_ws = sstrdup(i3string_as_utf8(ws_walk->name));
+                }
                 /* 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, 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 + 1, 1, ws_walk->name_width + 8, font.height + 2 };
             xcb_poly_fill_rectangle(xcb_connection,
                                     outputs_walk->buffer,
                                     outputs_walk->bargc,
                                     1,
                                     &rect);
             set_font_colors(outputs_walk->bargc, fg_color, bg_color);
-            draw_text((char*)ws_walk->ucs2_name, ws_walk->name_glyphs, true,
+            draw_text((char*)i3string_as_ucs2(ws_walk->name), i3string_get_num_glyphs(ws_walk->name), true,
                     outputs_walk->buffer, outputs_walk->bargc, i + 5, 2, ws_walk->name_width);
-            i += 10 + ws_walk->name_width;
+            i += 10 + ws_walk->name_width + 1;
+        }
+
+        if (!has_urgent && !mod_pressed && walks_away) {
+            FREE(last_urgent_ws);
+            hide_bars();
         }
 
         i = 0;