2 files changed, 14 insertions, 23 deletions
diff --git a/simple-visualization/qmpkeyboardwindow.cpp b/simple-visualization/qmpkeyboardwindow.cpp
index f2cc8b7..562596c 100644
--- a/simple-visualization/qmpkeyboardwindow.cpp
+++ b/simple-visualization/qmpkeyboardwindow.cpp
@@ -9,11 +9,20 @@ qmpKeyboardWindow::qmpKeyboardWindow(qmpPluginAPI *_api,QWidget *parent):
 	for(int ch=0;ch<16;++ch)
 		layout()->addWidget(pw[ch]=new qmpPianoWidget(this));
 	hide();
-	api->registerEventHandlerIntf(ec=new EventCallback(),this);
-	connect(ec,&EventCallback::keystateupdated,this,&qmpKeyboardWindow::onkeystatesupdate);
+	eh=api->registerEventHandler(
+		[this](const void* ee,void*){
+			const SEvent *e=(const SEvent*)ee;
+			if((e->type&0xF0)==0x80||((e->type&0xF0)==0x90&&e->p2==0))
+				emit keystateupdated(e->type&0xF,e->p1,false);
+			if((e->type&0xF0)==0x90&&e->p2>0)
+				emit keystateupdated(e->type&0xF,e->p1,e->p2>0);
+		}
+	,nullptr);
+	connect(this,&qmpKeyboardWindow::keystateupdated,this,&qmpKeyboardWindow::onkeystatesupdate);
 }
 qmpKeyboardWindow::~qmpKeyboardWindow()
 {
+	api->unregisterEventHandler(eh);
 }
 void qmpKeyboardWindow::closeEvent(QCloseEvent *event)
 {
@@ -24,13 +33,3 @@ void qmpKeyboardWindow::onkeystatesupdate(int ch,int key,bool state)
 {pw[ch]->setKeyState(key,state);}
 void qmpKeyboardWindow::resetAll()
 {for(int ch=0;ch<16;++ch)pw[ch]->reset();}
-
-void EventCallback::callBack(const void *callerdata,void* userdata)
-{
-	const qmpKeyboardWindow *w=(const qmpKeyboardWindow*)userdata;
-	const SEvent *cbd=(const SEvent*)callerdata;
-	if((cbd->type&0xF0)==0x80)
-		emit keystateupdated(cbd->type&0xF,cbd->p1,false);
-	if((cbd->type&0xF0)==0x90)
-		emit keystateupdated(cbd->type&0xF,cbd->p1,cbd->p2>0);
-}
diff --git a/simple-visualization/qmpkeyboardwindow.hpp b/simple-visualization/qmpkeyboardwindow.hpp
index 2b618fa..563b6b4 100644
--- a/simple-visualization/qmpkeyboardwindow.hpp
+++ b/simple-visualization/qmpkeyboardwindow.hpp
@@ -6,29 +6,21 @@
 
 #include <QWidget>
 
-class EventCallback:public QObject,public ICallBack
-{
-	Q_OBJECT
-	public:
-		void callBack(const void *callerdata,void *userdata);
-	signals:
-		void keystateupdated(int ch,int key,bool state);
-};
-
 class qmpKeyboardWindow:public QWidget
 {
 	Q_OBJECT
-	friend class EventCallback;
 	private:
 		qmpPianoWidget *pw[16];
 		qmpPluginAPI *api;
-		EventCallback *ec;
+		int eh;
 	public:
 		qmpKeyboardWindow(qmpPluginAPI *_api,QWidget *parent);
 		~qmpKeyboardWindow();
 		void resetAll();
 	protected:
 		void closeEvent(QCloseEvent *event);
+	signals:
+		void keystateupdated(int ch,int key,bool state);
 	public slots:
 		void onkeystatesupdate(int ch,int key,bool state);
 };