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ResourceCompilerImage/RelativeMouseInput.cpp

@@ -0,0 +1,123 @@
+// RelativeMouseInput.cpp: implementation of the CRelativeMouseInput class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "RelativeMouseInput.h"
+
+#ifdef _DEBUG
+#undef THIS_FILE
+static char THIS_FILE[]=__FILE__;
+#define new DEBUG_NEW
+#endif
+
+
+// constuctor
+CRelativeMouseInput::CRelativeMouseInput()
+{
+	m_Captured=false;
+}
+
+// destructor
+CRelativeMouseInput::~CRelativeMouseInput()
+{
+
+}
+
+
+
+void CRelativeMouseInput::OnButtonDown( HWND inHwnd )	// call in OnLButtonDown/OnMButtonDown/OnRButtonDown
+{
+	if(!m_Captured)
+	{
+		SetCapture(inHwnd);m_Captured=true;
+
+		GetCursorPos(&m_savedpos);
+
+		int midx=GetSystemMetrics(SM_CXSCREEN)/2;
+		int midy=GetSystemMetrics(SM_CYSCREEN)/2;
+
+		SetCursorPos(midx,midy);m_oldx=midx;m_oldy=midy;
+		ShowCursor(false);
+	}
+}
+
+
+void CRelativeMouseInput::OnButtonUp( void )	// call in OnLButtonUp/OnMButtonUp/OnRButtonUp
+{
+	if(m_Captured)
+	{
+		SetCursorPos(m_savedpos.x,m_savedpos.y);
+		ShowCursor(true);
+		m_Captured=false;
+
+		ReleaseCapture();
+	}
+}
+
+
+
+bool CRelativeMouseInput::OnMouseMove( HWND inHwnd, bool inbButtonDown, int &outRelx, int &outRely )	// call in OnMouseMove
+{
+	outRelx=0;outRely=0;
+
+	if(m_Captured)
+	{
+		if(!inbButtonDown)OnButtonUp();
+	}
+	else
+	{
+		if(inbButtonDown)OnButtonDown(inHwnd);
+	}
+
+	if(m_Captured)
+	{
+		POINT point;
+
+		GetCursorPos(&point);
+
+		int midx=GetSystemMetrics(SM_CXSCREEN)/2;
+		int midy=GetSystemMetrics(SM_CYSCREEN)/2;
+
+		int relx=point.x-m_oldx;
+		int rely=point.y-m_oldy;
+
+		int absx=point.x-midx;
+		int absy=point.y-midy;
+
+//			GetDC()->SetPixel(relx+300,rely+200,0x000000);
+		outRelx=relx;
+		outRely=rely;
+
+		bool reset=false;
+
+		if(absx<-200){ reset=true;absx+=200; }
+		if(absx>200){ reset=true;absx-=200; }
+		if(absy<-200){ reset=true;absy+=200; }
+		if(absy>200){ reset=true;absy-=200; }
+			
+
+		if(reset)
+		{
+			SetCursorPos(midx+absx,midy+absy);
+			m_oldx=midx+absx;m_oldy=midy+absy;
+		}
+		else
+		{
+			m_oldx=point.x;m_oldy=point.y;
+		}
+
+		if(outRelx==0 && outRely==0)return(false);
+
+		return(true);
+	}
+	else return(false);
+}
+
+
+
+bool CRelativeMouseInput::IsCaptured( void )
+{
+	return(m_Captured);
+}
+