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83 lines
2.6 KiB
83 lines
2.6 KiB
/*******************************************************************************
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*
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* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
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*
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* TITLE: SSHNDLER.H
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*
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* VERSION: 1.0
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*
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* AUTHOR: ShaunIv
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*
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* DATE: 12/4/1999
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*
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* DESCRIPTION:
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*
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*******************************************************************************/
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#ifndef __SSHNDLER_H_INCLUDED
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#define __SSHNDLER_H_INCLUDED
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#include <windows.h>
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#include "imagescr.h"
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#include "extimer.h"
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#include "simstr.h"
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#include "findthrd.h"
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//
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// We will shuffle the list every [SHUFFLE_INTERVAL] images until we are done gathering files.
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//
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#define SHUFFLE_INTERVAL 50
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//
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// To decrease the tendency to see the same image first, we will try to vary the image that
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// causes the screensaver to be started to a random image index less than this number
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//
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#define MAX_START_IMAGE 20
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//
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// Number of ms to wait before starting up the screensaver timers
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// in case we don't find an image before this timer runs.
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//
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#define BACKUP_START_TIMER_PERIOD 5000
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class CScreenSaverHandler
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{
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private:
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CImageScreenSaver *m_pImageScreenSaver;
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HINSTANCE m_hInstance;
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CSimpleString m_strRegistryPath;
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HWND m_hWnd;
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UINT m_nPaintTimerId;
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UINT m_nChangeTimerId;
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UINT m_nBackupStartTimerId;
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UINT m_nBackupStartTimerPeriod;
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UINT m_nFindNotifyMessage;
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bool m_bPaused;
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CExclusiveTimer m_Timer;
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HANDLE m_hFindThread;
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HANDLE m_hFindCancel;
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bool m_bScreensaverStarted;
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int m_nStartImage;
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int m_nShuffleInterval;
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CRandomNumberGen m_Random;
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private:
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// No implementation
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CScreenSaverHandler(void);
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CScreenSaverHandler( const CScreenSaverHandler & );
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CScreenSaverHandler &operator=( const CScreenSaverHandler & );
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public:
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void Initialize(void);
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CScreenSaverHandler( HWND hWnd, UINT nFindNotifyMessage, UINT nPaintTimer, UINT nChangeTimer, UINT nBackupStartTimer, LPCTSTR szRegistryPath, HINSTANCE hInstance );
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~CScreenSaverHandler(void);
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// Message handlers
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bool HandleKeyboardMessage( UINT nMessage, WPARAM nVirtkey );
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void HandleConfigChanged(void);
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void HandleTimer( WPARAM nEvent );
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void HandlePaint(void);
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void HandleFindFile( CFoundFileMessageData *pFoundFileMessageData );
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};
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#endif // __SSHNDLER_H_INCLUDED
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