changeset:   520675:823e745af09e
tag:         tip
user:        Martin Stransky <stransky@redhat.com>
date:        Tue Mar 17 21:27:52 2020 +0100
files:       widget/gtk/nsWindow.cpp
description:
dd2


diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
--- a/widget/gtk/nsWindow.cpp
+++ b/widget/gtk/nsWindow.cpp
@@ -2740,16 +2739,18 @@ void nsWindow::OnContainerUnrealize() {
   }
 }
 
 void nsWindow::OnSizeAllocate(GtkAllocation* aAllocation) {
   LOG(("nsWindow::OnSizeAllocate [%p] %d,%d -> %d x %d\n", (void*)this,
        aAllocation->x, aAllocation->y, aAllocation->width,
        aAllocation->height));
 
+  mBoundsAreValid = true;
+
   LayoutDeviceIntSize size = GdkRectToDevicePixels(*aAllocation).Size();
   if (mBounds.Size() == size) {
     // We were already resized at nsWindow::OnConfigureEvent() so skip it.
     return;
   }
 
   // Invalidate the new part of the window now for the pending paint to
   // minimize background flashes (GDK does not do this for external resizes