Leaked source code of windows server 2003
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140 lines
3.7 KiB

/******************************Module*Header*******************************\
* Module Name: mtkinit.cxx
*
* Copyright (c) 1997 Microsoft Corporation
*
\**************************************************************************/
#include <stdlib.h>
#include "mtk.hxx"
#include "mtkwin.hxx"
#include "mtkwproc.hxx"
#include "mtkinit.hxx"
SS_PAL *gpssPal = NULL;
HBRUSH ghbrbg = (HBRUSH) 0; // global handle to background brush
HCURSOR ghArrowCursor;
BOOL gbMessageLoopStarted = FALSE;
MTKWIN *gpMtkwinMain = NULL; // 'main' or root window
// Global strings.
#define GEN_STRING_SIZE 64
// This windows class stuff bites
// These 2 aren't used for now, they might be templates for later
LPCTSTR pszMainWindowClass = TEXT("MtkMainClass"); // main class name
LPCTSTR pszUserWindowClass = TEXT("MtkUserClass"); // user class name
static TCHAR szClassName[5] = TEXT("0001" );
static LPTSTR pszCurClass = szClassName;
// forward declarations of internal fns
/**************************************************************************\
* GLDoScreenSave
*
* Runs the screen saver in the specified mode
*
* GL version of DoScreenSave in scrnsave.c
*
* Does basic init, creates initial set of windows, and starts the message
* loop, which runs until terminated by some event.
*
\**************************************************************************/
// Called by every window on creation
BOOL
mtk_Init( MTKWIN *pMtkwin )
{
static BOOL bInited = FALSE;
if( bInited )
return TRUE;
// Set root window
// !!! ATTENTION !!! this mechanism will fail when a thread destroys all windows,
// and then creates more
// -> use reference count in sswtable
gpMtkwinMain = pMtkwin;
// Initialize randomizer
ss_RandInit();
// Various globals
gpssPal = NULL;
// Create multi-purpose black bg brush
ghbrbg = (HBRUSH) GetStockObject( BLACK_BRUSH );
// For now (no ss) cursor is arrow
ghArrowCursor = LoadCursor( NULL, IDC_ARROW );
bInited = TRUE;
return TRUE;
}
/**************************************************************************\
* mtk_RegisterClass
*
\**************************************************************************/
LPTSTR
mtk_RegisterClass( WNDPROC wndProc, LPTSTR pszClass, HBRUSH hbrBg, HCURSOR hCursor )
{
WNDCLASS cls;
LPTSTR pszTheClass;
// If no class name provided, make one by pre-incrementing the current
// class name. (Can't icrement at end of function, since class used must
// match return value
if( !pszClass ) {
pszCurClass[0] += 1;
pszTheClass = pszCurClass;
} else {
pszTheClass = pszClass;
}
cls.style = CS_VREDRAW | CS_HREDRAW;
cls.lpfnWndProc = wndProc;
cls.cbClsExtra = 0;
cls.cbWndExtra = 0;
cls.hInstance = GetModuleHandle( NULL );
cls.hIcon = LoadIcon( NULL, IDI_APPLICATION );
cls.hCursor = hCursor;
cls.hbrBackground = hbrBg;
cls.lpszMenuName = (LPTSTR)NULL;
cls.lpszClassName = pszTheClass;
if( ! RegisterClass(&cls) )
return NULL;
return pszTheClass;
}
#if 0
/**************************************************************************\
* CloseWindows
*
* Close down any open windows.
*
* This sends a WM_CLOSE message to the top-level window if it is still open. If
* the window has any children, they are also closed. For each window, the
* SSW destructor is called.
\**************************************************************************/
void
SCRNSAVE::CloseWindows()
{
if( psswMain ) {
if( psswMain->bOwnWindow )
DestroyWindow( psswMain->hwnd );
else
delete psswMain;
}
}
#endif