Source code of Windows XP (NT5)
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/******************************Module*Header*******************************\
* Module Name: sswindow.hxx
*
*
*
* Copyright (c) 1996 Microsoft Corporation
*
\**************************************************************************/
#ifndef __sswindow_hxx__
#define __sswindow_hxx__
#include "sscommon.h"
// SSW flags
#define SS_HRC_PROXY_BIT (1 << 0)
/**************************************************************************\
* SSW
*
\**************************************************************************/
// GL config struct
typedef struct {
int pfFlags; // pixel format flags
HGLRC hrc;
STRETCH_INFO *pStretch;
} SS_GL_CONFIG;
class SSW {
public:
int wFlags; // various window flags
HWND hwnd; // NULL indicates logical sub-window
BOOL bOwnWindow; // TRUE if we created the window, otherwise system
// window
int iSubWindow; // Reference count for sub-window children
BOOL bValidateBg;
SSW *psswParent;
SSW *psswSibling;
SSW *psswChildren;
HDC hdc;
HGLRC hrc; // Can be for this window or a bitmap in pStretch
ISIZE size;
IPOINT2D pos; // pos'n relative to parent's origin
BOOL bDoubleBuf;
SSINITPROC InitFunc;
SSUPDATEPROC UpdateFunc;
SSRESHAPEPROC ReshapeFunc;
SSREPAINTPROC RepaintFunc;
SSFLOATERBOUNCEPROC FloaterBounceFunc;
SSFINISHPROC FinishFunc;
SSCHILDSIZEPROC ChildSizeFunc;
MOTION *pMotion; // if this window moves
STRETCH_INFO *pStretch;
void *DataPtr;
WNDPROC wndProc;
SS_GL_CONFIG *pGLc; // GL configuration
SSW( SSW *psswParent, ISIZE *pSize, IPOINT2D *pPos, BOOL bMotion,
SSCHILDSIZEPROC ChildSizeFuncArg );
SSW( SSW *psswParentArg, HWND hwndArg );
~SSW();
BOOL CreateSSWindow( HINSTANCE hMainInstance, UINT uStyle, UINT uExStyle,
LPCTSTR pszWindowTitle, WNDPROC wndProcArg,
LPCTSTR pszClassName, HWND hwndParentOverride );
void Reset(); // Set to default init state
void SetInitFunc(SSINITPROC);
void SetReshapeFunc(SSRESHAPEPROC);
void SetRepaintFunc(SSREPAINTPROC);
void SetUpdateFunc(SSUPDATEPROC);
void SetFinishFunc(SSFINISHPROC);
void SetFloaterBounceFunc(SSFLOATERBOUNCEPROC);
void SetCallbackData( void *pData ) { DataPtr = pData; };
BOOL ConfigureForGL( SS_GL_CONFIG *pGLcArg );
BOOL ConfigureForGL();
BOOL ConfigureForGdi();
void MakeCurrent();
void InitGL(); // Initialize GL
HGLRC GetHRC() { return hrc; };
void GdiClear();
void Start(); // Start drawing
void Resize( int width, int height ); // called on WM_RESIZE
void Repaint( BOOL bCheckUpdateRect ); // called on WM_REPAINT
void Reshape(); // Call back to ss to reshape its GL draw area
void UpdateWindow();
void GetChildInfo();
BOOL SetAspectRatio( float fAspect );
void RandomWindowPos();
void GetSize( ISIZE *pSize ) { *pSize = size; };
private:
GLRECT lastRect; // for optimizing HW sub-window clears
void AddChild( SSW *psswChild );
BOOL RemoveChild( SSW *psswChild );
HGLRC hrcSetupGL();// pixelformat, createcontext, etc.
BOOL NeedStretchedWindow();
void SwapSSBuffers();
void SwapStretchBuffers();
void ResizeStretch();
BOOL bValidateChildPos();
void ValidateChildSize();
void ResetMotion();
void SetSSWindowPos( int flags );
void SetSSWindowPos();
void MoveSSWindow( BOOL bRedrawBg );
//mf: can't have function ptrs to member functions!
// void (*UpdateDoubleBufWinFunc)();
void UpdateDoubleBufWin(); // normal double buffer update
void UpdateDoubleBufSubWin(); // sub-win case
BOOL CalcNextWindowPos();
void GetSSWindowRect( LPRECT lpRect );
int GLPosY(); // Convert window pos.y from gdi to GL
};
typedef SSW* PSSW;
#endif // __sswindow_hxx__