[gtk/win32.modal: 275/278] GDK/Win32: Fix modal window handling




commit bc142b9c4320a4dabad56f8651d096704ae09623
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Tue Oct 6 15:06:47 2020 +0800

    GDK/Win32: Fix modal window handling
    
    Make sure that we get the state of the modal window properly, and send out the
    corresponding notification signals.
    
    This will ensure that we do not try to activate windows that should have become
    inactivated due to it opening modal windows and render the program unresponsive
    because we are not activating the correct window that is due to receive user
    input.

 gdk/win32/gdksurface-win32.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/gdk/win32/gdksurface-win32.c b/gdk/win32/gdksurface-win32.c
index 3e9de289bd..2ef43845b8 100644
--- a/gdk/win32/gdksurface-win32.c
+++ b/gdk/win32/gdksurface-win32.c
@@ -4825,7 +4825,12 @@ gdk_win32_toplevel_set_property (GObject      *object,
       break;
 
     case LAST_PROP + GDK_TOPLEVEL_PROP_MODAL:
-      _gdk_push_modal_window (surface);
+      GDK_SURFACE (surface)->modal_hint = g_value_get_boolean (value);
+
+      if (GDK_SURFACE (surface)->modal_hint)
+        _gdk_push_modal_window (surface);
+
+      g_object_notify_by_pspec (G_OBJECT (surface), pspec);
       break;
 
     case LAST_PROP + GDK_TOPLEVEL_PROP_ICON_LIST:
@@ -4879,6 +4884,7 @@ gdk_win32_toplevel_get_property (GObject    *object,
       break;
 
     case LAST_PROP + GDK_TOPLEVEL_PROP_MODAL:
+      g_value_set_boolean (value, GDK_SURFACE (surface)->modal_hint);
       break;
 
     case LAST_PROP + GDK_TOPLEVEL_PROP_ICON_LIST:


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