Add notification-image-size property to config

src/config.json.in

@@ -6,6 +6,7 @@
   "control-center-margin-bottom": 0,
   "control-center-margin-right": 0,
   "control-center-margin-left": 0,
+  "notification-icon-size": 64,
   "timeout": 10,
   "timeout-low": 5,
   "timeout-critical": 0,

src/configModel/configModel.vala

@@ -453,6 +453,22 @@ namespace SwayNotificationCenter {
             }
         }
 
+        /**
+         * Notification icon size, in pixels.
+         */
+        private const int NOTIFICATION_ICON_MINIMUM_SIZE = 16;
+        private const int NOTIFICATION_ICON_DEFAULT_SIZE = 64;
+        private int _notification_icon_size = NOTIFICATION_ICON_DEFAULT_SIZE;
+        public int notification_icon_size {
+            get {
+                return _notification_icon_size;
+            }
+            set {
+                _notification_icon_size = value > NOTIFICATION_ICON_MINIMUM_SIZE
+                    ? value : NOTIFICATION_ICON_MINIMUM_SIZE;
+            }
+        }
+
         /* Methods */
 
         /**

src/configSchema.json

@@ -39,6 +39,12 @@
       "description": "The margin (in pixels) at the left of the notification center. 0 to disable",
       "default": 0
     },
+    "notification-icon-size": {
+      "type": "integer",
+      "description": "The notification icon size (in pixels)",
+      "default": 64,
+      "minimum": 16
+    },
     "timeout": {
       "type": "integer",
       "description": "The notification timeout for notifications with normal priority",

src/functions.vala

@@ -2,6 +2,7 @@ namespace SwayNotificationCenter {
     public class Functions {
         public static void set_image_path (owned string path,
                                            Gtk.Image img,
+                                           int icon_size,
                                            bool file_exists) {
             if ((path.length > 6 && path.slice (0, 7) == "file://") || file_exists) {
                 // Try as a URI (file:// is the only URI schema supported right now)
@@ -10,8 +11,8 @@ namespace SwayNotificationCenter {
 
                     var pixbuf = new Gdk.Pixbuf.from_file_at_scale (
                         path,
-                        Notification.icon_image_size * img.scale_factor,
+                        icon_size * img.scale_factor,
-                        Notification.icon_image_size * img.scale_factor,
+                        icon_size * img.scale_factor,
                         true);
                     var surface = Gdk.cairo_surface_create_from_pixbuf (
                         pixbuf,
@@ -32,7 +33,7 @@ namespace SwayNotificationCenter {
             }
         }
 
-        public static void set_image_data (ImageData data, Gtk.Image img) {
+        public static void set_image_data (ImageData data, Gtk.Image img, int icon_size) {
             // Rebuild and scale the image
             var pixbuf = new Gdk.Pixbuf.with_unowned_data (data.data,
                                                            Gdk.Colorspace.RGB,
@@ -44,8 +45,8 @@ namespace SwayNotificationCenter {
                                                            null);
 
             pixbuf = pixbuf.scale_simple (
-                Notification.icon_image_size * img.scale_factor,
+                icon_size * img.scale_factor,
-                Notification.icon_image_size * img.scale_factor,
+                icon_size * img.scale_factor,
                 Gdk.InterpType.BILINEAR);
             var surface = Gdk.cairo_surface_create_from_pixbuf (
                 pixbuf,

src/notification/notification.ui

@@ -63,7 +63,7 @@
                                           <object class="GtkImage" id="img">
                                             <property name="visible">True</property>
                                             <property name="can-focus">False</property>
-                                            <property name="valign">start</property>
+                                            <property name="valign">center</property>
                                             <property name="margin-end">12</property>
                                             <property name="icon_size">6</property>
                                             <style>

src/notification/notification.vala

@@ -37,7 +37,7 @@ namespace SwayNotificationCenter {
         unowned Gtk.Image body_image;
 
         public static Gtk.IconSize icon_size = Gtk.IconSize.INVALID;
-        public static int icon_image_size = 64;
+        private int notification_icon_size { get; default = ConfigModel.instance.notification_icon_size; }
 
         private uint timeout_id = 0;
 
@@ -402,9 +402,9 @@ namespace SwayNotificationCenter {
                 return;
             }
 
-            img.set_pixel_size (Notification.icon_image_size);
+            img.set_pixel_size (notification_icon_size);
-            img.height_request = Notification.icon_image_size;
+            img.height_request = notification_icon_size;
-            img.width_request = Notification.icon_image_size;
+            img.width_request = notification_icon_size;
 
             var img_path_exists = File.new_for_path (
                 param.image_path ?? "").query_exists ();
@@ -412,15 +412,21 @@ namespace SwayNotificationCenter {
                 param.app_icon ?? "").query_exists ();
 
             if (param.image_data.is_initialized) {
-                Functions.set_image_data (param.image_data, img);
+                Functions.set_image_data (param.image_data, img,
+                                          notification_icon_size);
             } else if (param.image_path != null &&
                        param.image_path != "" &&
                        img_path_exists) {
-                Functions.set_image_path (param.image_path, img, img_path_exists);
+                Functions.set_image_path (param.image_path, img,
+                                          notification_icon_size,
+                                          img_path_exists);
             } else if (param.app_icon != null && param.app_icon != "") {
-                Functions.set_image_path (param.app_icon, img, app_icon_exists);
+                Functions.set_image_path (param.app_icon, img,
+                                          notification_icon_size,
+                                          app_icon_exists);
             } else if (param.icon_data.is_initialized) {
-                Functions.set_image_data (param.icon_data, img);
+                Functions.set_image_data (param.icon_data, img,
+                                          notification_icon_size);
             } else {
                 // Get the app icon
                 GLib.Icon ? icon = null;