X-Git-Url: https://git.cinelerra-gg.org/git/?p=goodguy%2Fcinelerra.git;a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fcwindowtool.C;h=efa4cdb1683b0ac6886aa6c7d491fccec1c1b65b;hp=e0e27e4d12d1dedb72c4d58531bd665862745b98;hb=686bc04a488847170d80ec603f8c33962a7aa928;hpb=5c8da1404ee2707ea621e9361541bdc973bcfbb9;ds=sidebyside

diff --git a/cinelerra-5.1/cinelerra/cwindowtool.C b/cinelerra-5.1/cinelerra/cwindowtool.C
index e0e27e4d..efa4cdb1 100644
--- a/cinelerra-5.1/cinelerra/cwindowtool.C
+++ b/cinelerra-5.1/cinelerra/cwindowtool.C
@@ -2193,10 +2193,12 @@ void CWindowMaskGUI::handle_event()
 
 void CWindowMaskGUI::update_preview()
 {
+	unlock_window();
 	CWindowGUI *cgui = mwindow->cwindow->gui;
 	cgui->lock_window("CWindowMaskGUI::update_preview");
 	cgui->sync_parameters(CHANGE_PARAMS, 0, 1);
 	cgui->unlock_window();
+	lock_window("CWindowMaskGUI::update_preview");
 }