Diff: kbd_mgr/SingleKeyPressMonitor.h

Revision:

2:eb4cc53ff33d

Child:

3:1310c57aca77

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kbd_mgr/SingleKeyPressMonitor.h	Sun Jan 23 23:15:36 2011 +0000
@@ -0,0 +1,29 @@
+#ifndef SINGLE_KEY_PRESS_MONITOR_H_
+#define SINGLE_KEY_PRESS_MONITOR_H_
+
+#include "kbd_mgr/KeyboardStateChangeMonitor.h"
+#include "kbd_mgr/KeyPressEventHandler.h"
+
+namespace kbd_mgr {
+
+/**
+ * @brief A keyboard state change handler that reports on single keypresses.
+ * It voluntarily ignores key combinations (only the first key pressed in a combo is reported).
+ */ 
+class SingleKeyPressMonitor : public KeyboardStateChangeHandler {
+public:
+    SingleKeyPressMonitor(KeyPressEventHandler *handler) : 
+        handler(handler), lastReportedState(), lastReportedKey(KeyPressEventHandler::NoKey) 
+    { }
+    
+    virtual void operator()(const KeyboardState &newState);
+    
+private:
+    KeyPressEventHandler *handler;
+    KeyboardState lastReportedState;
+    int lastReportedKey;
+};
+
+} // kbd_mgr
+
+#endif // SINGLE_KEY_PRESS_MONITOR_H_