[simple-scan/wip/cdavis/consistency-updates: 1/6] app-window: Make preferences modal

[Christopher Davis <christopherdavis src gnome org>]

commit 094d5137edff6da19d5a8483c5f99d71f6912353
Author: Christopher Davis <brainblasted disroot org>
Date:   Tue Feb 9 12:28:52 2021 -0800

    app-window: Make preferences modal
    
    Matches how we handle preference dialogs across GNOME

 src/app-window.vala | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/app-window.vala b/src/app-window.vala
index 3e362871..0a9a4d70 100644
--- a/src/app-window.vala
+++ b/src/app-window.vala
@@ -1847,6 +1847,8 @@ public class AppWindow : Gtk.ApplicationWindow
         preferences_dialog = new PreferencesDialog (settings);
         preferences_dialog.delete_event.connect (() => { return true; });
         preferences_dialog.response.connect (() => { preferences_dialog.visible = false; });
+        preferences_dialog.transient_for = this;
+        preferences_dialog.modal = true;
 
         Gtk.Window.set_default_icon_name ("org.gnome.SimpleScan");