dragcheckbox rework, boxblur create can grab

[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 a2cccd2cf4da8abac6f37276c0af1ce4516aeabf..137b6790b5b8b68c2bb4120eb265054563b1f945 100644 (file)
--- a/cinelerra-5.1/guicast/bcwindowbase.C
+++ b/cinelerra-5.1/guicast/bcwindowbase.C
@@ -3415,14 +3415,25 @@ void BC_WindowBase::close(int return_value)
 
 int BC_WindowBase::grab(BC_WindowBase *window)
 {
-       if( window->active_grab && this != window->active_grab ) return 0;
-       window->active_grab = this;
-       this->grab_active = window;
-       return 1;
+       int ret = 1;
+       if( window->active_grab ) {
+               int locked = get_window_lock();
+               if( locked ) unlock_window();
+               BC_WindowBase *active_grab = window->active_grab;
+               active_grab->lock_window("BC_WindowBase::grab(BC_WindowBase");
+               ret = active_grab->handle_ungrab();
+               active_grab->unlock_window();
+               if( locked ) lock_window("BC_WindowBase::grab(BC_WindowBase");
+       }
+       if( ret ) {
+               window->active_grab = this;
+               this->grab_active = window;
+       }
+       return ret;
 }
 int BC_WindowBase::ungrab(BC_WindowBase *window)
 {
-       if( window->active_grab && this != window->active_grab ) return 0;
+       if( this != window->active_grab ) return 0;
        window->active_grab = 0;
        this->grab_active = 0;
        return 1;