Fixed trying to set monitor when not using wlr-layer-shell

src/controlCenter/controlCenter.vala

@@ -307,6 +307,13 @@ namespace SwayNotificationCenter {
                         }
                     }
                 }
+
+                // Set the preferred monitor
+                string ?monitor_name = ConfigModel.instance.control_center_preferred_output;
+                if (this.monitor_name != null) {
+                    monitor_name = this.monitor_name;
+                }
+                set_monitor (Functions.try_get_monitor (monitor_name));
             }
 
             // Set the window margins
@@ -364,13 +371,6 @@ namespace SwayNotificationCenter {
                                      ConfigModel.instance.control_center_height);
             box.set_size_request (ConfigModel.instance.control_center_width,
                                   ConfigModel.instance.control_center_height);
-
-            // Set the preferred monitor
-            string ?monitor_name = ConfigModel.instance.control_center_preferred_output;
-            if (this.monitor_name != null) {
-                monitor_name = this.monitor_name;
-            }
-            set_monitor (Functions.try_get_monitor (monitor_name));
         }
 
         public uint notification_count () {
@@ -434,7 +434,8 @@ namespace SwayNotificationCenter {
         }
 
         public void set_monitor (Gdk.Monitor ?monitor) {
-            debug ("Setting monitor for ControlCenter: %s", Functions.monitor_to_string (monitor));
+            debug ("Setting monitor for ControlCenter: %s",
+                   Functions.monitor_to_string (monitor) ?? "Monitor Picked by Compositor");
             this.monitor_name = monitor == null ? null : monitor.connector;
             GtkLayerShell.set_monitor (this, monitor);
         }

src/notificationWindow/notificationWindow.vala

@@ -136,6 +136,13 @@ namespace SwayNotificationCenter {
                         scrolled_window.set_valign (Gtk.Align.END);
                         break;
                 }
+
+                // Set the preferred monitor
+                string ?monitor_name = ConfigModel.instance.notification_window_preferred_output;
+                if (NotificationWindow.monitor_name != null) {
+                    monitor_name = NotificationWindow.monitor_name;
+                }
+                set_monitor (Functions.try_get_monitor (monitor_name));
             }
 
             list.animation_reveal_type = AnimatedListItem.RevealAnimationType.SLIDE;
@@ -163,12 +170,7 @@ namespace SwayNotificationCenter {
                     break;
             }
 
-            // Set the preferred monitor
-            string ?monitor_name = ConfigModel.instance.notification_window_preferred_output;
-            if (NotificationWindow.monitor_name != null) {
-                monitor_name = NotificationWindow.monitor_name;
-            }
-            set_monitor (Functions.try_get_monitor (monitor_name));
+            set_input_region ();
         }
 
         private void set_input_region () {
@@ -365,7 +367,8 @@ namespace SwayNotificationCenter {
         }
 
         public void set_monitor (Gdk.Monitor ?monitor) {
-            debug ("Setting monitor for ControlCenter: %s", Functions.monitor_to_string (monitor));
+            debug ("Setting monitor for Floating Notifications: %s",
+                   Functions.monitor_to_string (monitor) ?? "Monitor Picked by Compositor");
             NotificationWindow.monitor_name = monitor == null ? null : monitor.connector;
             GtkLayerShell.set_monitor (this, monitor);
 

src/swayncDaemon/swayncDaemon.vala

@@ -318,6 +318,12 @@ namespace SwayNotificationCenter {
         }
 
         public bool set_cc_monitor (string name) throws DBusError, IOError {
+            if (!use_layer_shell) {
+                critical (
+                    "Setting Control Center monitor isn't supported "
+                    + "when layer shell is disabled!");
+                return false;
+            }
             unowned Gdk.Monitor ?monitor = Functions.try_get_monitor (name);
             if (monitor == null) {
                 return false;
@@ -328,6 +334,12 @@ namespace SwayNotificationCenter {
         }
 
         public bool set_noti_window_monitor (string name) throws DBusError, IOError {
+            if (!use_layer_shell) {
+                critical (
+                    "Setting Notification Window monitor isn't supported "
+                    + "when layer shell is disabled!");
+                return false;
+            }
             unowned Gdk.Monitor ?monitor = Functions.try_get_monitor (name);
             if (monitor == null) {
                 return false;