Fix stuff regarding icons

- fix icon_path string calculations
- add default settings to config.def.h

config.def.h

@@ -50,6 +50,9 @@ char *dmenu = "/usr/bin/dmenu";
 
 char *browser = "/usr/bin/firefox";
 
+/* path to default icons */
+char *icon_path = "/usr/share/icons/gnome/32x32/status/";
+
 /* follow focus to different monitor and display notifications there?
  * possible values:
  * FOLLOW_NONE

dunstrc

@@ -142,7 +142,7 @@
     show_icons = no
 
     # Path to default icons.
-    icon_path = /usr/share/icons/gnome/32x32/status/%s.png
+    icon_path = /usr/share/icons/gnome/32x32/status/
 
 [frame]
     width = 3

notification.c

@@ -283,7 +283,9 @@ int notification_init(notification * n, int id)
 
         /* Add icon path if relative */
         if (strlen(n->icon) > 0 && n->icon[0] != '/' && n->icon[0] != '~') {
-                n->icon = string_replace("%s", n->icon, settings.icon_path);
+                char *new = g_strconcat(settings.icon_path, n->icon, ".png", NULL);
+                free(n->icon);
+                n->icon = new;
         }
 
         n->msg = string_replace("%a", n->appname, g_strdup(n->format));

x.c

@@ -205,11 +205,6 @@ static dimension_t calculate_dimensions(GSList *layouts)
         dim.h += (g_slist_length(layouts) - 1) * settings.separator_height;
         dim.h += g_slist_length(layouts) * settings.padding * 2;
 
-        /* text_width: width of the widest content so far
-         * total_width: width of the widest notification so far, with padding
-         * dim.w: width of the window, with frame
-         * Also call r_setup_pango_layout() when changing text_width.
-         */
         int text_width = 0, total_width = 0;
         for (GSList *iter = layouts; iter; iter = iter->next) {
                 colored_layout *cl = iter->data;