🔧 Port update notification to GTK4

prefs.js

@@ -345,6 +345,7 @@ var PreferencesDialog = class PreferencesDialog {
           GLib.timeout_add(GLib.PRIORITY_DEFAULT, 2000, () => {
             this._showUpdateInfoTimeout = 0;
 
+            if (utils.isADW()) {
               const toast = Adw.Toast.new(_('Burn-My-Windows has been updated!'));
               toast.set_button_label(_('View Changelog'));
               toast.set_action_name('prefs.changelog');
@@ -355,6 +356,14 @@ var PreferencesDialog = class PreferencesDialog {
                 () => this._settings.set_int('last-version', Me.metadata.version));
   
               window.add_toast(toast);
+            }else {
+              const infoBar = this._builder.get_object("update-info");
+              infoBar.connect("response", i => {
+                this._settings.set_int('last-version', Me.metadata.version);
+                i.set_revealed(false);
+              });
+              infoBar.set_revealed(true);
+            }
 
             return false;
           });

resources/ui/gtk4/prefs.ui

@@ -37,8 +37,36 @@ SPDX-License-Identifier: GPL-3.0-or-later
     <property name="transition-type">over-down-up</property>
 
     <child>
-      <object class="GtkScrolledWindow" id="effect-editor">
+      <object class="GtkBox" id="effect-editor">
+        <property name="orientation">vertical</property>
+
+        <child>
+          <object class="GtkInfoBar" id="update-info">
+            <property name="message-type">info</property>
+            <property name="revealed">false</property>
+            <property name="show-close-button">true</property>
+            <child>
+              <object class="GtkLabel">
+                <property name="label" translatable="yes">Burn-My-Windows has been updated!</property>
+                <property name="margin-start">6</property>
+              </object>
+            </child>
+            <child type="action">
+              <object class="GtkButton" id="update-info-button">
+                <property name="label" translatable="yes">View Changelog</property>
+                <property name="action-name">prefs.changelog</property>
+              </object>
+            </child>
+            <action-widgets>
+              <action-widget response="-1">update-info-button</action-widget>
+            </action-widgets>
+          </object>
+        </child>
+
+        <child>
+          <object class="GtkScrolledWindow">
             <property name="hscrollbar-policy">never</property>
+            <property name="vexpand">true</property>
             <property name="child">
 
               <object class="GtkBox">
@@ -68,6 +96,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 
                 <child>
                   <object class="GtkFrame">
+                    <property name="margin-top">6</property>
                     <child>
                       <object class="GtkListBox" id="effects-group">
                         <property name="selection-mode">none</property>
@@ -82,6 +111,9 @@ SPDX-License-Identifier: GPL-3.0-or-later
 
           </object>
         </child>
+      </object>
+
+    </child>
 
     <child>
       <object class="GtkBox" id="profile-editor">