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-rw-r--r--src/glut/glx/glut_event.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/glut/glx/glut_event.c b/src/glut/glx/glut_event.c
index e453fe0389..f997f772c7 100644
--- a/src/glut/glx/glut_event.c
+++ b/src/glut/glx/glut_event.c
@@ -438,7 +438,8 @@ processEventsAndTimeouts(void)
__glutFinishMenu(event.xbutton.window, event.xbutton.x, event.xbutton.y);
} else {
window = __glutGetWindow(event.xbutton.window);
- if (window) {
+ /* added button check for mice with > 3 buttons */
+ if (window && event.xbutton.button <= GLUT_MAX_MENUS) {
GLUTmenu *menu;
int menuNum;