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Diffstat (limited to 'indra/llwindow/llwindowcallbacks.h')
-rw-r--r--indra/llwindow/llwindowcallbacks.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/indra/llwindow/llwindowcallbacks.h b/indra/llwindow/llwindowcallbacks.h
index 9304446f8f..3b18648138 100644
--- a/indra/llwindow/llwindowcallbacks.h
+++ b/indra/llwindow/llwindowcallbacks.h
@@ -56,6 +56,7 @@ public:
virtual void handleMouseMove(LLWindow *window, LLCoordGL pos, MASK mask);
virtual void handleMouseDragged(LLWindow *window, LLCoordGL pos, MASK mask);
virtual void handleScrollWheel(LLWindow *window, S32 clicks);
+ virtual void handleScrollHWheel(LLWindow *window, S32 clicks);
virtual void handleResize(LLWindow *window, S32 width, S32 height);
virtual void handleFocus(LLWindow *window);
virtual void handleFocusLost(LLWindow *window);