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-rw-r--r--simple-visualization/qmpkeyboardwindow.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/simple-visualization/qmpkeyboardwindow.hpp b/simple-visualization/qmpkeyboardwindow.hpp
index a99e62e..2b618fa 100644
--- a/simple-visualization/qmpkeyboardwindow.hpp
+++ b/simple-visualization/qmpkeyboardwindow.hpp
@@ -10,7 +10,7 @@ class EventCallback:public QObject,public ICallBack
{
Q_OBJECT
public:
- void callBack(void* callerdata,void* userdata);
+ void callBack(const void *callerdata,void *userdata);
signals:
void keystateupdated(int ch,int key,bool state);
};