[libhandy/wip/haecker-felix/flap-widget: 87/98] implement few missing parts

[Alexander Mikhaylenko <alexm src gnome org>]

commit 092fc4afdfffe5da9d60509ce40c1f966136d8b3
Author: Felix Häcker <haeckerfelix gnome org>
Date:   Tue Jul 28 20:39:06 2020 +0200

    implement few missing parts

 src/hdy-flap.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
---
diff --git a/src/hdy-flap.c b/src/hdy-flap.c
index fd6346da..2f8bbb42 100644
--- a/src/hdy-flap.c
+++ b/src/hdy-flap.c
@@ -688,7 +688,6 @@ hdy_flap_class_init (HdyFlapClass *klass)
 static void
 hdy_flap_init (HdyFlap *self)
 {
-  gtk_widget_set_has_window (GTK_WIDGET (self), FALSE);
   self->flap_position = GTK_PACK_START;
   self->orientation = GTK_ORIENTATION_HORIZONTAL;
   self->overlay_duration = 250;
@@ -742,8 +741,14 @@ hdy_flap_set_flap (HdyFlap *self,
   if (self->flap == flap)
     return;
 
+  if (self->flap)
+    gtk_widget_unparent(self->flap);
+
   self->flap = flap;
 
+  if (!self->flap)
+    gtk_widget_set_parent (GTK_WIDGET (self), self->flap);
+
   g_object_notify_by_pspec (G_OBJECT (self), props[PROP_FLAP]);
 }
 
@@ -781,6 +786,12 @@ hdy_flap_set_flap_mode (HdyFlap     *self,
 
   self->flap_mode = flap_mode;
 
+  if (self->flap_mode == HDY_FLAP_MODE_OVERLAY)
+    set_overlay(self, TRUE);
+
+  if (self->flap_mode == HDY_FLAP_MODE_NON_OVERLAY)
+    set_overlay(self, FALSE);
+
   g_object_notify_by_pspec (G_OBJECT (self), props[PROP_FLAP_MODE]);
 }