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-rw-r--r--src/Fl_Window_Driver.H2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/Fl_Window_Driver.H b/src/Fl_Window_Driver.H
index cec60a2da..924a86967 100644
--- a/src/Fl_Window_Driver.H
+++ b/src/Fl_Window_Driver.H
@@ -31,6 +31,7 @@
#include <FL/Fl_Export.H>
#include <FL/Fl_Window.H>
#include <FL/Fl_Overlay_Window.H>
+#include <FL/Fl_Tile.H>
#include <stdlib.h>
@@ -208,6 +209,7 @@ public:
virtual fl_uintptr_t os_id() { return 0; }
virtual void allow_expand_outside_parent() {}
+ static bool in_tile_intersection_drag() { return Fl_Tile::in_drag_intersection_; }
};
#endif // FL_WINDOW_DRIVER_H