[gtk/gtk-3-24: 1/2] GtkFileChooserNativeWin32: add GTK grab only when modal

[Luca Bacci <lbacci src gnome org>]

commit 0b26e8b8a34be1fd8dd7896aa853535d38521805
Author: Luca Bacci <luca bacci982 gmail com>
Date:   Tue Jan 11 14:10:39 2022 +0100

    GtkFileChooserNativeWin32: add GTK grab only when modal

 gtk/gtkfilechoosernativewin32.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkfilechoosernativewin32.c b/gtk/gtkfilechoosernativewin32.c
index 4d12a847c1..bec7ca4be3 100644
--- a/gtk/gtkfilechoosernativewin32.c
+++ b/gtk/gtkfilechoosernativewin32.c
@@ -982,8 +982,11 @@ gtk_file_chooser_native_win32_show (GtkFileChooserNative *self)
       return FALSE;
     }
 
-  data->grab_widget = gtk_invisible_new ();
-  gtk_grab_add (GTK_WIDGET (data->grab_widget));
+  if (gtk_native_dialog_get_modal (GTK_NATIVE_DIALOG (self)))
+    {
+      data->grab_widget = gtk_invisible_new ();
+      gtk_grab_add (GTK_WIDGET (data->grab_widget));
+    }
 
   return TRUE;
 }