[gnome-maps/wip/mlundblad/headerbar-notifications: 1/2] mainWindow: Place the search entry in a GtkOverlay

[Marcus Lundblad <mlundblad src gnome org>]

commit 365e725942af93e45a358c3c235ca28850ac160a
Author: Marcus Lundblad <ml update uu se>
Date:   Thu Feb 8 22:34:37 2018 +0100

    mainWindow: Place the search entry in a GtkOverlay
    
    To allow showing notifications there as a stop-gap
    solution for notifications not working in the overlay
    over the map view on Wayland.

 src/mainWindow.js |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/src/mainWindow.js b/src/mainWindow.js
index 2adc421..376949e 100644
--- a/src/mainWindow.js
+++ b/src/mainWindow.js
@@ -93,6 +93,10 @@ var MainWindow = GObject.registerClass({
         return this._mapView;
     }
 
+    get overlay() {
+        return this._headerBar.custom_title;
+    }
+
     _init(params) {
         this._overlay = params.overlay;
         delete params.overlay;
@@ -332,8 +336,10 @@ var MainWindow = GObject.registerClass({
     }
 
     _initHeaderbar() {
+        let overlay = new Gtk.Overlay({ visible: true });
         this._placeEntry = this._createPlaceEntry();
-        this._headerBar.custom_title = this._placeEntry;
+        overlay.add(this._placeEntry);
+        this._headerBar.custom_title = overlay;
 
         let favoritesPopover = this._favoritesButton.popover;
         this._favoritesButton.sensitive = favoritesPopover.rows > 0;