InAppNotification: Remove reduntant Overlay.

hammond-gtk/resources/gtk/inapp_notif.ui

@@ -2,15 +2,11 @@
 <!-- Generated with glade 3.21.0 -->
 <interface>
   <requires lib="gtk+" version="3.20"/>
-  <object class="GtkOverlay" id="overlay">
+  <object class="GtkRevealer" id="revealer">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
     <property name="halign">center</property>
     <property name="valign">start</property>
-    <child>
-      <object class="GtkRevealer" id="revealer">
-        <property name="visible">True</property>
-        <property name="can_focus">False</property>
     <child>
       <object class="GtkFrame">
         <property name="visible">True</property>
@@ -58,6 +54,9 @@
                     <property name="icon_name">window-close-symbolic</property>
                   </object>
                 </child>
+                <style>
+                  <class name="flat image-button"/>
+                </style>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -74,6 +73,9 @@
                 <property name="receives_default">True</property>
                 <property name="halign">center</property>
                 <property name="valign">center</property>
+                <style>
+                  <class name="text-button"/>
+                </style>
               </object>
               <packing>
                 <property name="expand">False</property>
@@ -92,10 +94,8 @@
         </style>
       </object>
     </child>
-      </object>
+    <style>
-      <packing>
+      <class name="top"/>
-        <property name="index">-1</property>
+    </style>
-      </packing>
-    </child>
   </object>
 </interface>

hammond-gtk/src/app.rs

@@ -171,7 +171,7 @@ impl App {
 
                     let text = "Marked all episodes as listened";
                     let notif = InAppNotification::new(text.into(), callback, sender.clone());
-                    overlay.add_overlay(&notif.overlay);
+                    overlay.add_overlay(&notif.revealer);
                     // We need to display the notification after the widget is added to the overlay
                     // so there will be a nice animation.
                     notif.show();

hammond-gtk/src/appnotif.rs

@@ -10,8 +10,7 @@ use std::sync::mpsc::Sender;
 
 #[derive(Debug, Clone)]
 pub struct InAppNotification {
-    pub overlay: gtk::Overlay,
+    pub revealer: gtk::Revealer,
-    revealer: gtk::Revealer,
     text: gtk::Label,
     undo: gtk::Button,
     close: gtk::Button,
@@ -21,14 +20,12 @@ impl Default for InAppNotification {
     fn default() -> Self {
         let builder = gtk::Builder::new_from_resource("/org/gnome/hammond/gtk/inapp_notif.ui");
 
-        let overlay: gtk::Overlay = builder.get_object("overlay").unwrap();
         let revealer: gtk::Revealer = builder.get_object("revealer").unwrap();
         let text: gtk::Label = builder.get_object("text").unwrap();
         let undo: gtk::Button = builder.get_object("undo").unwrap();
         let close: gtk::Button = builder.get_object("close").unwrap();
 
         InAppNotification {
-            overlay,
             revealer,
             text,
             undo,