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//************************************************************************
//
// LCDOutput.h
//
// The CLCDOutput class manages LCD hardware enumeration and screen
// management.
//
// Logitech LCD SDK
//
// Copyright 2005 Logitech Inc.
//************************************************************************
#ifndef _CLCDOUTPUT_H_INCLUDED_
#define _CLCDOUTPUT_H_INCLUDED_
#include "LCDManager.h"
#include "lglcd/lglcd.h"
#include <vector>
using namespace std;
typedef vector <CLCDManager*> LCD_MGR_LIST;
typedef LCD_MGR_LIST::iterator LCD_MGR_LIST_ITER;
class CLCDOutput : public CLCDManager
{
public:
CLCDOutput();
virtual ~CLCDOutput();
void AddScreen(CLCDManager* pScreen);
void LockScreen(CLCDManager* pScreen);
void UnlockScreen();
BOOL IsLocked();
BOOL IsOpened();
void SetAsForeground(BOOL bSetAsForeground);
BOOL AnyDeviceOfThisFamilyPresent(DWORD dwDeviceFamilyWanted, DWORD dwReserved1);
void SetDeviceFamiliesSupported(DWORD dwDeviceFamiliesSupported, DWORD dwReserved1);
void SetScreenPriority(DWORD priority);
DWORD GetScreenPriority();
INT GetDeviceHandle();
HRESULT Initialize(lgLcdConnectContext* pContext, BOOL bUseWindow = FALSE);
HRESULT Initialize(lgLcdConnectContextEx* pContextEx, BOOL bUseWindow = FALSE);
// returns TRUE if a new display was enumerated
BOOL HasHardwareChanged(void);
// CLCDBase
virtual HRESULT Initialize();
virtual HRESULT Draw();
virtual void Update(DWORD dwTimestamp);
virtual void Shutdown(void);
// CLCDManager
lgLcdBitmap160x43x1 *GetLCDScreen(void);
BITMAPINFO *GetBitmapInfo(void);
protected:
void ActivateScreen(CLCDManager* pScreen);
void ReadButtons();
void HandleButtonState(DWORD dwButtonState, DWORD dwButton);
void HandleErrorFromAPI(DWORD dwRes);
void CloseAndDisconnect();
virtual void OnLCDButtonDown(int nButton);
virtual void OnLCDButtonUp(int nButton);
protected:
virtual void OnScreenExpired(CLCDManager* pScreen);
virtual void OnClosingDevice(int hDevice);
virtual void OnDisconnecting(int hConnection);
protected:
BOOL DoesBitmapNeedUpdate(lgLcdBitmap160x43x1* pCurrentBitmap);
void ClearBitmap(lgLcdBitmap160x43x1* pCurrentBitmap);
lgLcdBitmap160x43x1* m_pLastBitmap;
BOOL m_bPriorityHasChanged;
protected:
CLCDManager* m_pActiveScreen;
// list
LCD_MGR_LIST m_LCDMgrList;
void EnumerateDevices();
int m_hConnection;
int m_hDevice;
DWORD m_nPriority;
BOOL m_bLocked, m_bDisplayLocked;
DWORD m_dwButtonState;
BOOL m_bSetAsForeground;
// lgLcdConnectContext m_lcdConnectCtx;
lgLcdConnectContextEx m_lcdConnectCtxEx;
DWORD m_dwDeviceFamiliesSupported;
DWORD m_dwDeviceFamiliesSupportedReserved1;
};
#endif // !_CLCDOUTPUT_H_INCLUDED_
//** end of CLCDOutput.h *************************************************
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