Refactor InputObject(EventFilter and VirtualKeyboard).

src/utilities/TouchScreenSignalSender.cpp

@@ -0,0 +1,20 @@
+#include "TouchScreenSignalSender.h"
+
+TouchScreenSignalSender* TouchScreenSignalSender::getInstance()
+{
+    static TouchScreenSignalSender instance;
+    return &instance;
+}
+
+TouchScreenSignalSender::TouchScreenSignalSender()
+{
+}
+
+TouchScreenSignalSender::~TouchScreenSignalSender()
+{
+}
+
+void TouchScreenSignalSender::sendTouchScreenSignal()
+{
+    emit touchScreen();
+}