mirror of
https://github.com/reactos/reactos.git
synced 2024-08-23 19:58:25 +00:00
182 lines
5.1 KiB
C
182 lines
5.1 KiB
C
/*
|
|
* Copyright 2003 J Brown
|
|
* Copyright 2006 Eric Kohl
|
|
* Copyright 2007 Marc Piulachs (marc.piulachs@codexchange.net)
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <stdarg.h>
|
|
#include <windef.h>
|
|
#include <winbase.h>
|
|
#include <wingdi.h>
|
|
#include <winuser.h>
|
|
#include <scrnsave.h>
|
|
#include <stdlib.h>
|
|
#include <tchar.h>
|
|
|
|
#include "resource.h"
|
|
|
|
#define RANDOM( min, max ) ((rand() % (int)(((max)+1) - (min))) + (min))
|
|
|
|
#define APPNAME _T("Logon")
|
|
#define APP_TIMER 1
|
|
#define APP_TIMER_INTERVAL 2000
|
|
|
|
HBITMAP
|
|
GetScreenSaverBitmap(VOID)
|
|
{
|
|
OSVERSIONINFOEX osvi;
|
|
|
|
ZeroMemory(&osvi, sizeof(OSVERSIONINFOEX));
|
|
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
|
|
GetVersionEx ((OSVERSIONINFO *) &osvi);
|
|
|
|
switch(osvi.wProductType)
|
|
{
|
|
case VER_NT_WORKSTATION:
|
|
return LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_WORKSTATION), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
|
|
break;
|
|
default:
|
|
return LoadImage(GetModuleHandle(NULL), MAKEINTRESOURCE(IDB_SERVER), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION);
|
|
break;
|
|
}
|
|
}
|
|
|
|
LRESULT
|
|
CALLBACK
|
|
ScreenSaverProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
static RECT rect;
|
|
static HBITMAP bitmap;
|
|
|
|
switch (message)
|
|
{
|
|
case WM_CREATE:
|
|
{
|
|
bitmap = GetScreenSaverBitmap ();
|
|
if (bitmap == NULL)
|
|
{
|
|
MessageBox(hWnd,
|
|
_T("Fatal Error: Could not load bitmap"),
|
|
_T("Error"),
|
|
MB_OK | MB_ICONEXCLAMATION);
|
|
}
|
|
|
|
SetTimer(hWnd,
|
|
APP_TIMER,
|
|
APP_TIMER_INTERVAL,
|
|
NULL);
|
|
|
|
break;
|
|
}
|
|
case WM_PAINT:
|
|
{
|
|
BITMAP bm; /* Bitmap structure as seen in bmWidth & bmHeight */
|
|
PAINTSTRUCT ps;
|
|
HDC hdc;
|
|
HDC hdcMem;
|
|
HBITMAP hbmOld;
|
|
|
|
// Obtain window coordinates.
|
|
GetClientRect (hWnd, &rect);
|
|
|
|
hdc = BeginPaint(hWnd, &ps);
|
|
hdcMem = CreateCompatibleDC(hdc);
|
|
hbmOld = SelectObject(hdcMem, bitmap);
|
|
|
|
GetObject(bitmap, sizeof(bm), &bm);
|
|
|
|
if (rect.right < bm.bmWidth ||
|
|
rect.bottom < bm.bmHeight)
|
|
{
|
|
StretchBlt(
|
|
hdc,
|
|
RANDOM (0, rect.right - (bm.bmWidth /5)),
|
|
RANDOM (0, rect.bottom - (bm.bmHeight /5)),
|
|
bm.bmWidth /5,
|
|
bm.bmHeight /5,
|
|
hdcMem,
|
|
0,
|
|
0,
|
|
bm.bmWidth,
|
|
bm.bmHeight,
|
|
SRCCOPY);
|
|
}
|
|
else
|
|
{
|
|
BitBlt(
|
|
hdc,
|
|
RANDOM (0, rect.right - bm.bmWidth),
|
|
RANDOM (0, rect.bottom - bm.bmHeight),
|
|
bm.bmWidth,
|
|
bm.bmHeight,
|
|
hdcMem,
|
|
0,
|
|
0,
|
|
SRCCOPY);
|
|
}
|
|
|
|
SelectObject(hdcMem, hbmOld);
|
|
DeleteDC(hdcMem);
|
|
|
|
EndPaint(hWnd, &ps);
|
|
break;
|
|
}
|
|
case WM_TIMER:
|
|
{
|
|
InvalidateRect(hWnd, NULL, 1);
|
|
break;
|
|
}
|
|
case WM_DESTROY:
|
|
{
|
|
KillTimer(hWnd, APP_TIMER);
|
|
DeleteObject(bitmap);
|
|
PostQuitMessage(0);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
// Pass Windows Messages to the default screensaver window procedure
|
|
return DefScreenSaverProc(hWnd, message, wParam, lParam);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
BOOL
|
|
WINAPI
|
|
ScreenSaverConfigureDialog(HWND hDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
// This function is only called one time before opening the configuration dialog.
|
|
// Use it to show a message that no configuration is necessary and return FALSE to indicate that no configuration dialog shall be opened.
|
|
BOOL
|
|
WINAPI
|
|
RegisterDialogClasses(HANDLE hInst)
|
|
{
|
|
TCHAR szMessage[256];
|
|
TCHAR szTitle[25];
|
|
|
|
LoadString(hInst, IDS_TEXT, szMessage, sizeof(szMessage) / sizeof(TCHAR));
|
|
LoadString(hInst, IDS_DESCRIPTION, szTitle, sizeof(szTitle) / sizeof(TCHAR));
|
|
|
|
MessageBox(NULL, szMessage, szTitle, MB_OK | MB_ICONEXCLAMATION);
|
|
|
|
return FALSE;
|
|
}
|