Leaked source code of windows server 2003
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/*******************************************************************************
*
* (C) COPYRIGHT MICROSOFT CORPORATION, 1998
*
* TITLE: SIMCRACK.H
*
* VERSION: 1.0
*
* AUTHOR: ShaunIv
*
* DATE: 5/11/1998
*
* DESCRIPTION: Simple Message-crackers
*
*******************************************************************************/
#ifndef ___SIMCRACK_H_INCLUDED
#define ___SIMCRACK_H_INCLUDED
// Define these if we're compiling on pre-sundown prepared compiler
#if !defined(GWLP_USERDATA)
#define GWLP_USERDATA GWL_USERDATA
#define GWLP_WNDPROC GWL_WNDPROC
#define DWLP_USER DWL_USER
#define DWLP_MSGRESULT DWL_MSGRESULT
#define SetWindowLongPtr SetWindowLong
#define GetWindowLongPtr GetWindowLong
#define INT_PTR LONG
#endif
#if (0) // Examples
/****************************************
EXAMPLE USAGE
****************************************/
// Normal message handlers for normal windows
LRESULT CALLBACK CMyWindow::WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_MESSAGE_HANDLERS(CMyWindow)
{
SC_HANDLE_MESSAGE( WM_SIZE, OnSize );
SC_HANDLE_MESSAGE( WM_SETFOCUS, OnSetFocus );
SC_FORWARD_MESSAGE( WM_CLOSE, hWnd );
}
SC_HANDLE_REGISTERED_MESSAGE(MyMessage,MyMessageHandler);
SC_END_MESSAGE_HANDLERS();
}
// For use in dialog boxes (handles DWLP_MSGRESULT, etc)
BOOL CALLBACK CMyDialog::DialogProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_DIALOG_MESSAGE_HANDLERS(CMyDialog)
{
SC_HANDLE_DIALOG_MESSAGE( WM_INITDIALOG, OnInitDialog );
SC_HANDLE_DIALOG_MESSAGE( WM_COMMAND, OnCommand );
}
SC_HANDLE_REGISTERED_DIALOG_MESSAGE( MyMessage, MyMessageHandler );
SC_END_DIALOG_MESSAGE_HANDLERS();
}
// WM_NOTIFY message cracker usage:
LRESULT CMyWindow::OnNotify( WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_NOTIFY_MESSAGE_HANDLERS()
{
SC_HANDLE_NOTIFY_MESSAGE_CODE(PSN_SETACTIVE,OnSetActive);
SC_HANDLE_NOTIFY_MESSAGE_CONTROL(LVN_DBLCLK,IDC_LIST,OnListDblClk);
}
SC_END_NOTIFY_MESSAGE_HANDLERS();
}
// WM_COMMAND message cracker usage:
LRESULT CMyWindow::OnCommand( WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_COMMAND_HANDLERS()
{
SC_HANDLE_COMMAND_NOTIFY(EN_CHANGE,IDC_EDIT,OnEditChange);
SC_HANDLE_COMMAND(IDOK,OnOK);
}
SC_END_COMMAND_HANDLERS();
}
/*
For an example of a complete class structured to use this method of window encapsulation,
look at the bottom of the file.
*/
#endif // Examples
/****************************************
IMPLEMENTATION
****************************************/
/****************************************
Normal message handlers for normal windows
****************************************/
#define SC_BEGIN_MESSAGE_HANDLERS(className) \
className *This = (className*)GetWindowLongPtr(hWnd,GWLP_USERDATA);\
if (WM_CREATE == uMsg)\
{\
This = new className(hWnd);\
SetWindowLongPtr(hWnd,GWLP_USERDATA,(INT_PTR)This);\
}\
else if (WM_NCDESTROY == uMsg)\
{\
delete This;\
This = NULL;\
SetWindowLongPtr(hWnd,GWLP_USERDATA,0);\
}\
switch (uMsg)
#define SC_HANDLE_MESSAGE(msg,handler) \
case (msg):\
{\
if (This)\
return This->handler( wParam, lParam );\
}\
break
#define SC_FORWARD_MESSAGE(msg,hwndForward)\
case (msg):\
{\
return SendMessage( hwndForward, msg, wParam, lParam );\
}\
break
#define SC_END_MESSAGE_HANDLERS() \
return (DefWindowProc(hWnd,uMsg,wParam,lParam))
#define SC_HANDLE_REGISTERED_MESSAGE(msg,handler)\
if (This && uMsg == This->msg)\
{\
return This->handler( wParam, lParam );\
}
/****************************************
Normal message handlers for reference counted windows
****************************************/
#define SC_BEGIN_REFCOUNTED_MESSAGE_HANDLERS(className) \
className *This = (className*)GetWindowLongPtr(hWnd,GWLP_USERDATA);\
if (WM_CREATE == uMsg)\
{\
This = new className(hWnd);\
SetWindowLongPtr(hWnd,GWLP_USERDATA,(INT_PTR)This);\
}\
else if (WM_NCDESTROY == uMsg)\
{\
if (This)\
{\
This->Release();\
This = NULL;\
}\
SetWindowLongPtr(hWnd,GWLP_USERDATA,0);\
}\
switch (uMsg)
#define SC_HANDLE_MESSAGE(msg,handler) \
case (msg):\
{\
if (This)\
return This->handler( wParam, lParam );\
}\
break
#define SC_FORWARD_MESSAGE(msg,hwndForward)\
case (msg):\
{\
return SendMessage( hwndForward, msg, wParam, lParam );\
}\
break
#define SC_END_MESSAGE_HANDLERS() \
return (DefWindowProc(hWnd,uMsg,wParam,lParam))
#define SC_HANDLE_REGISTERED_MESSAGE(msg,handler)\
if (This && uMsg == This->msg)\
{\
return This->handler( wParam, lParam );\
}
/****************************************
Dialog box message crackers
****************************************/
#define SC_BEGIN_DIALOG_MESSAGE_HANDLERS(className) \
UINT_PTR bRes = FALSE;\
className *This = (className *)GetWindowLongPtr(hWnd,DWLP_USER);\
if (WM_INITDIALOG == uMsg)\
{\
This = new className( hWnd );\
SetWindowLongPtr(hWnd,DWLP_USER,(INT_PTR)This);\
}\
else if (WM_NCDESTROY == uMsg)\
{\
if (This)\
delete This;\
This = NULL;\
SetWindowLongPtr(hWnd,DWLP_USER,(INT_PTR)This);\
}\
switch (uMsg)
#define SC_HANDLE_DIALOG_MESSAGE(msg,handler) \
case (msg):\
{\
if (This)\
{\
LRESULT lRes = This->handler( wParam, lParam );\
if (WM_INITDIALOG==msg)\
{\
bRes = (UINT_PTR)(!lRes);\
}\
else if (WM_CTLCOLORBTN==msg || WM_CTLCOLORDLG==msg || WM_CTLCOLOREDIT==msg || WM_CTLCOLORLISTBOX==msg || WM_CTLCOLORMSGBOX==msg || WM_CTLCOLORSCROLLBAR==msg || WM_CTLCOLORSTATIC==msg)\
{\
bRes = (UINT_PTR)(lRes);\
}\
else bRes = true;\
SetWindowLongPtr( hWnd, DWLP_MSGRESULT, (INT_PTR)lRes );\
}\
}\
break
#define SC_HANDLE_REGISTERED_DIALOG_MESSAGE(msg,handler)\
if (This && uMsg == This->msg)\
{\
LRESULT lRes = This->handler( wParam, lParam );\
SetWindowLongPtr( hWnd, DWLP_MSGRESULT, (INT_PTR)lRes );\
bRes = true;\
}
#define SC_END_DIALOG_MESSAGE_HANDLERS() \
return (bRes)
/****************************************
WM_NOTIFY message crackers
****************************************/
#define SC_BEGIN_NOTIFY_MESSAGE_HANDLERS()
#define SC_HANDLE_NOTIFY_MESSAGE_CODE(_code,proc)\
if ((_code) == ((LPNMHDR)lParam)->code)\
return proc( wParam, lParam )
#define SC_HANDLE_NOTIFY_MESSAGE_CONTROL(_code,id,proc)\
if ((_code) == ((LPNMHDR)lParam)->code && (id) == (int)wParam)\
return proc( wParam, lParam )
#define SC_END_NOTIFY_MESSAGE_HANDLERS()\
return 0;
/****************************************
WM_COMMAND message crackers
****************************************/
#define SC_BEGIN_COMMAND_HANDLERS()
#define SC_HANDLE_COMMAND_NOTIFY(nCode,nIdCtl,handler)\
if (nCode==(int)HIWORD(wParam) && nIdCtl==(int)LOWORD(wParam))\
{\
handler( wParam, lParam );\
return (0);\
}
#define SC_HANDLE_COMMAND(nIdCtl,handler)\
if (nIdCtl==(int)LOWORD(wParam))\
{\
handler( wParam, lParam );\
return (0);\
}
#define SC_END_COMMAND_HANDLERS()\
return (0)
#if (0) // More examples
class CMyWindow
{
private:
HWND m_hWnd;
private:
explicit CHideWindow( HWND hWnd )
: m_hWnd(hWnd)
{
}
public:
~CMyWindow(void)
{
}
// Standard Windows Message Handlers
LRESULT OnCreate( WPARAM wParam, LPARAM lParam )
{
return 0;
}
// WM_COMMAND Handlers
void OnEditChange( WPARAM wParam, LPARAM lParam )
{
}
void OnOK( WPARAM wParam, LPARAM lParam )
{
}
// WM_NOTIFY Handlers
LRESULT OnSetActive( WPARAM wParam, LPARAM lParam )
{
return 0;
}
LRESULT OnListDblClk( WPARAM wParam, LPARAM lParam )
{
return 0;
}
LRESULT OnNotify( WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_NOTIFY_MESSAGE_HANDLERS()
{
SC_HANDLE_NOTIFY_MESSAGE_CODE(PSN_SETACTIVE,OnSetActive);
SC_HANDLE_NOTIFY_MESSAGE_CONTROL(LVN_DBLCLK,IDC_LIST,OnListDblClk);
}
SC_END_NOTIFY_MESSAGE_HANDLERS();
}
LRESULT OnCommand( WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_COMMAND_HANDLERS()
{
SC_HANDLE_COMMAND_NOTIFY(EN_CHANGE,IDC_EDIT,OnEditChange);
SC_HANDLE_COMMAND(IDOK,OnOK);
}
SC_END_COMMAND_HANDLERS();
}
static LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
{
SC_BEGIN_MESSAGE_HANDLERS(CMyWindow)
{
SC_HANDLE_MESSAGE( WM_CREATE, OnCreate );
}
SC_END_MESSAGE_HANDLERS();
}
};
#endif // More examples
#endif // ___SIMCRACK_H_INCLUDED