appchooserwidget: Inherit from GtkWidget

gtk/gtkappchooserdialog.c

@@ -348,7 +348,6 @@ construct_appchooser_widget (GtkAppChooserDialog *self)
   /* Need to build the appchooser widget after, because of the content-type construct-only property */
   self->priv->app_chooser_widget = gtk_app_chooser_widget_new (self->priv->content_type);
   gtk_box_pack_start (GTK_BOX (self->priv->inner_box), self->priv->app_chooser_widget, TRUE, TRUE);
-  gtk_widget_show (self->priv->app_chooser_widget);
 
   g_signal_connect (self->priv->app_chooser_widget, "application-selected",
                     G_CALLBACK (widget_application_selected_cb), self);

gtk/gtkappchooserwidget.c

@@ -75,6 +75,8 @@
 struct _GtkAppChooserWidgetPrivate {
   GAppInfo *selected_app_info;
 
+  GtkWidget *overlay;
+
   gchar *content_type;
   gchar *default_text;
 
@@ -136,7 +138,7 @@ static guint signals[N_SIGNALS] = { 0, };
 
 static void gtk_app_chooser_widget_iface_init (GtkAppChooserIface *iface);
 
-G_DEFINE_TYPE_WITH_CODE (GtkAppChooserWidget, gtk_app_chooser_widget, GTK_TYPE_BOX,
+G_DEFINE_TYPE_WITH_CODE (GtkAppChooserWidget, gtk_app_chooser_widget, GTK_TYPE_WIDGET,
                          G_ADD_PRIVATE (GtkAppChooserWidget)
                          G_IMPLEMENT_INTERFACE (GTK_TYPE_APP_CHOOSER,
                                                 gtk_app_chooser_widget_iface_init));
@@ -928,12 +930,56 @@ static void
 gtk_app_chooser_widget_dispose (GObject *object)
 {
   GtkAppChooserWidget *self = GTK_APP_CHOOSER_WIDGET (object);
+  GtkAppChooserWidgetPrivate *priv = gtk_app_chooser_widget_get_instance_private (self);
 
-  g_clear_object (&self->priv->selected_app_info);
+  g_clear_object (&priv->selected_app_info);
+
+  if (priv->overlay)
+    {
+      gtk_widget_unparent (priv->overlay);
+      priv->overlay = NULL;
+    }
 
   G_OBJECT_CLASS (gtk_app_chooser_widget_parent_class)->dispose (object);
 }
 
+static void
+gtk_app_chooser_widget_measure (GtkWidget       *widget,
+                                GtkOrientation  orientation,
+                                int             for_size,
+                                int            *minimum,
+                                int            *natural,
+                                int            *minimum_baseline,
+                                int            *natural_baseline)
+{
+  GtkAppChooserWidget *self = GTK_APP_CHOOSER_WIDGET (widget);
+  GtkAppChooserWidgetPrivate *priv = gtk_app_chooser_widget_get_instance_private (self);
+
+  gtk_widget_measure (priv->overlay, orientation, for_size,
+                      minimum, natural,
+                      minimum_baseline, natural_baseline);
+}
+
+static void
+gtk_app_chooser_widget_snapshot (GtkWidget   *widget,
+                                 GtkSnapshot *snapshot)
+{
+  GtkAppChooserWidget *self = GTK_APP_CHOOSER_WIDGET (widget);
+  GtkAppChooserWidgetPrivate *priv = gtk_app_chooser_widget_get_instance_private (self);
+
+  gtk_widget_snapshot_child (widget, priv->overlay, snapshot);
+}
+
+static void
+gtk_app_chooser_widget_size_allocate (GtkWidget     *widget,
+                                      GtkAllocation *allocation)
+{
+  GtkAppChooserWidget *self = GTK_APP_CHOOSER_WIDGET (widget);
+  GtkAppChooserWidgetPrivate *priv = gtk_app_chooser_widget_get_instance_private (self);
+
+  gtk_widget_size_allocate (priv->overlay, allocation);
+}
+
 static void
 gtk_app_chooser_widget_class_init (GtkAppChooserWidgetClass *klass)
 {
@@ -948,6 +994,12 @@ gtk_app_chooser_widget_class_init (GtkAppChooserWidgetClass *klass)
   gobject_class->get_property = gtk_app_chooser_widget_get_property;
   gobject_class->constructed = gtk_app_chooser_widget_constructed;
 
+  widget_class = GTK_WIDGET_CLASS (klass);
+  widget_class->measure = gtk_app_chooser_widget_measure;
+  widget_class->size_allocate = gtk_app_chooser_widget_size_allocate;
+  widget_class->snapshot = gtk_app_chooser_widget_snapshot;
+
+
   g_object_class_override_property (gobject_class, PROP_CONTENT_TYPE, "content-type");
 
   /**
@@ -1098,7 +1150,6 @@ gtk_app_chooser_widget_class_init (GtkAppChooserWidgetClass *klass)
 
   /* Bind class to template
    */
-  widget_class = GTK_WIDGET_CLASS (klass);
   gtk_widget_class_set_template_from_resource (widget_class,
 					       "/org/gtk/libgtk/ui/gtkappchooserwidget.ui");
   gtk_widget_class_bind_template_child_private (widget_class, GtkAppChooserWidget, program_list);
@@ -1108,6 +1159,7 @@ gtk_app_chooser_widget_class_init (GtkAppChooserWidgetClass *klass)
   gtk_widget_class_bind_template_child_private (widget_class, GtkAppChooserWidget, secondary_padding);
   gtk_widget_class_bind_template_child_private (widget_class, GtkAppChooserWidget, no_apps_label);
   gtk_widget_class_bind_template_child_private (widget_class, GtkAppChooserWidget, no_apps);
+  gtk_widget_class_bind_template_child_private (widget_class, GtkAppChooserWidget, overlay);
   gtk_widget_class_bind_template_callback (widget_class, refresh_and_emit_app_selected);
   gtk_widget_class_bind_template_callback (widget_class, program_list_selection_activated);
   gtk_widget_class_bind_template_callback (widget_class, widget_button_press_event_cb);
@@ -1123,6 +1175,8 @@ gtk_app_chooser_widget_init (GtkAppChooserWidget *self)
 
   self->priv = gtk_app_chooser_widget_get_instance_private (self);
 
+  gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
+
   gtk_widget_init_template (GTK_WIDGET (self));
 
   /* Various parts of the GtkTreeView code need custom code to setup, mostly

gtk/gtkappchooserwidget.h

@@ -29,7 +29,7 @@
 #error "Only <gtk/gtk.h> can be included directly."
 #endif
 
-#include <gtk/gtkbox.h>
+#include <gtk/gtkwidget.h>
 #include <gtk/gtkmenu.h>
 #include <gio/gio.h>
 
@@ -47,7 +47,7 @@ typedef struct _GtkAppChooserWidgetClass   GtkAppChooserWidgetClass;
 typedef struct _GtkAppChooserWidgetPrivate GtkAppChooserWidgetPrivate;
 
 struct _GtkAppChooserWidget {
-  GtkBox parent;
+  GtkWidget parent_instance;
 
   /*< private >*/
   GtkAppChooserWidgetPrivate *priv;
@@ -64,7 +64,7 @@ struct _GtkAppChooserWidget {
  *    popup over an application item.
  */
 struct _GtkAppChooserWidgetClass {
-  GtkBoxClass parent_class;
+  GtkWidgetClass parent_class;
 
   /*< public >*/
 

gtk/ui/gtkappchooserwidget.ui

@@ -28,8 +28,7 @@
   <object class="GtkTreeModelSort" id="program_list_sort">
     <property name="model">program_list_store</property>
   </object>
-  <template class="GtkAppChooserWidget" parent="GtkBox">
+  <template class="GtkAppChooserWidget" parent="GtkWidget">
-    <property name="orientation">vertical</property>
     <child>
       <object class="GtkOverlay" id="overlay">
         <property name="visible">1</property>
@@ -129,9 +128,6 @@
           </object>
         </child>
       </object>
-      <packing>
-        <property name="expand">1</property>
-      </packing>
     </child>
   </template>
 </interface>