+ boolean eventAlt = false;
+ boolean eventCtrl = false;
+ boolean eventShift = false;
+
+ int modifiers = mouse.getModifiersEx();
+ if ((modifiers & MouseEvent.ALT_DOWN_MASK) != 0) {
+ eventAlt = true;
+ }
+ if ((modifiers & MouseEvent.CTRL_DOWN_MASK) != 0) {
+ eventCtrl = true;
+ }
+ if ((modifiers & MouseEvent.SHIFT_DOWN_MASK) != 0) {
+ eventShift = true;
+ }
+