[gnome-shell] closeDialog: Make dialog inactive while fading out

[Jonas Ådahl <jadahl src gnome org>]

commit 32fa060a62051a6fc98532d43e060c65ec7848a7
Author: Jonas Ådahl <jadahl gmail com>
Date:   Wed Feb 19 22:54:42 2020 +0100

    closeDialog: Make dialog inactive while fading out
    
    Otherwise the user might click Kill, which would crash if the fade-out
    was triggered because a Wayland window was closed.
    
    https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/1032

 js/ui/closeDialog.js | 1 +
 js/ui/dialog.js      | 8 +++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)
---
diff --git a/js/ui/closeDialog.js b/js/ui/closeDialog.js
index 4ee6de6d28..01799bd4ce 100644
--- a/js/ui/closeDialog.js
+++ b/js/ui/closeDialog.js
@@ -192,6 +192,7 @@ var CloseDialog = GObject.registerClass({
         this._dialog = null;
         this._removeWindowEffect();
 
+        dialog.makeInactive();
         dialog._dialog.ease({
             scale_y: 0,
             mode: Clutter.AnimationMode.LINEAR,
diff --git a/js/ui/dialog.js b/js/ui/dialog.js
index 694da4e151..dacdf3d399 100644
--- a/js/ui/dialog.js
+++ b/js/ui/dialog.js
@@ -58,10 +58,16 @@ class Dialog extends St.Widget {
         this._dialog.add_child(this.buttonLayout);
     }
 
-    _onDestroy() {
+    makeInactive() {
         if (this._eventId != 0)
             this._parentActor.disconnect(this._eventId);
         this._eventId = 0;
+
+        this.buttonLayout.get_children().forEach(c => c.set_reactive(false));
+    }
+
+    _onDestroy() {
+        this.makeInactive();
     }
 
     _modalEventHandler(actor, event) {