[gtk/wip.win32.fixes: 19/19] gdksurface-win32.c: Disable AeroSnap for surface if not resizable




commit ae4d3b39aaef5b6cdaf3c93832a3e05d8dcb6f9f
Author: Chun-wei Fan <fanchunwei src gnome org>
Date:   Fri Jul 2 15:05:33 2021 +0800

    gdksurface-win32.c: Disable AeroSnap for surface if not resizable
    
    AeroSnap essentially resizes the surface by all means, so if a surface
    is not resizable, just bail out of the operation, even though it is
    triggered by a move operation.
    
    This matches what is done in Windows.

 gdk/win32/gdksurface-win32.c | 8 ++++++++
 1 file changed, 8 insertions(+)
---
diff --git a/gdk/win32/gdksurface-win32.c b/gdk/win32/gdksurface-win32.c
index 6c8580738a..4608289031 100644
--- a/gdk/win32/gdksurface-win32.c
+++ b/gdk/win32/gdksurface-win32.c
@@ -3219,6 +3219,14 @@ handle_aerosnap_move_resize (GdkSurface                   *window,
   int halfright = 0;
   int fullup = 0;
   gboolean fullup_edge = FALSE;
+  GdkWin32Surface *impl = GDK_WIN32_SURFACE (window);
+
+  if (context->op == GDK_WIN32_DRAGOP_MOVE)
+    {
+      if (impl->toplevel_layout != NULL &&
+         !gdk_toplevel_layout_get_resizable (impl->toplevel_layout))
+        return;
+    }
 
   if (context->op == GDK_WIN32_DRAGOP_RESIZE)
     switch (context->edge)


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