diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp index 2943ae2272..5a5c981447 100644 --- a/src/gtk/window.cpp +++ b/src/gtk/window.cpp @@ -3506,7 +3506,15 @@ void wxWindowGesturesData::Reinit(wxWindowGTK* win, wxASSERT_MSG( eventsMask == 0, "Unknown touch event mask bit specified" ); - gtk_widget_add_events(widget, GDK_TOUCHPAD_GESTURE_MASK); + // GDK_TOUCHPAD_GESTURE_MASK was added in 3.18, but we can just define it + // ourselves if we use an earlier version when compiling. +#if !GTK_CHECK_VERSION(3,18,0) + #define GDK_TOUCHPAD_GESTURE_MASK (1 << 24) +#endif + if ( gtk_check_version(3, 18, 0) == NULL ) + { + gtk_widget_add_events(widget, GDK_TOUCHPAD_GESTURE_MASK); + } g_signal_connect (widget, "touch-event", G_CALLBACK(touch_callback), win);