+ /**
+ * Window's keyboard shortcuts. Any key in this set will be passed to
+ * the window directly rather than processed through the menu
+ * accelerators.
+ */
+ private HashSet<TKeypress> keyboardShortcuts = new HashSet<TKeypress>();
+
+ /**
+ * Add a keypress to be overridden for this window.
+ *
+ * @param key the key to start taking control of
+ */
+ protected void addShortcutKeypress(final TKeypress key) {
+ keyboardShortcuts.add(key);
+ }
+
+ /**
+ * Remove a keypress to be overridden for this window.
+ *
+ * @param key the key to stop taking control of
+ */
+ protected void removeShortcutKeypress(final TKeypress key) {
+ keyboardShortcuts.remove(key);
+ }
+
+ /**
+ * Remove all keypresses to be overridden for this window.
+ */
+ protected void clearShortcutKeypresses() {
+ keyboardShortcuts.clear();
+ }
+
+ /**
+ * Determine if a keypress is overridden for this window.
+ *
+ * @param key the key to check
+ * @return true if this window wants to process this key on its own
+ */
+ public boolean isShortcutKeypress(final TKeypress key) {
+ return keyboardShortcuts.contains(key);
+ }
+