usb_direct fix for rev2 shuttle, playbackengine locks again, viewer cursor fix

[goodguy/cinelerra.git] / cinelerra-5.1 / guicast / bcwindowbase.C

diff --git a/cinelerra-5.1/guicast/bcwindowbase.C b/cinelerra-5.1/guicast/bcwindowbase.C
index f9e49e22aa897e2059dd1973cbf04885298a68b5..099f82494eb8a637977f2cc03cafef61fd4721bd 100644 (file)
--- a/cinelerra-5.1/guicast/bcwindowbase.C
+++ b/cinelerra-5.1/guicast/bcwindowbase.C
@@ -3334,6 +3334,23 @@ int BC_WindowBase::unlock_window()
        return 0;
 }
 
+int BC_WindowBase::break_lock()
+{
+       if( !top_level ) return 0;
+       if( top_level != this ) return top_level->break_lock();
+       if( top_level->display_lock_owner != pthread_self() ) return 0;
+       if( top_level->window_lock != 1 ) return 0;
+       UNSET_LOCK(this);
+       window_lock = 0;
+       display_lock_owner = 0;
+#ifdef SINGLE_THREAD
+       BC_Display::unlock_display();
+#else
+       XUnlockDisplay(display);
+#endif
+       return 1;
+}
+
 void BC_WindowBase::set_done(int return_value)
 {
        if(done_set) return;