573 lines
17 KiB
C++
573 lines
17 KiB
C++
|
// --------------------------------------------------------------------------
|
||
|
|
// Module Name: DimmedWindow.cpp
|
||
|
|
//
|
||
|
|
// Copyright (c) 2000, Microsoft Corporation
|
||
|
|
//
|
||
|
|
// Class that implements the dimmed window when displaying logoff / shut down
|
||
|
|
// dialog.
|
||
|
|
//
|
||
|
|
// History: 2000-05-18 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#include "StandardHeader.h"
|
||
|
|
#include "DimmedWindow.h"
|
||
|
|
|
||
|
|
#include "RegistryResources.h"
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::s_szWindowClassName
|
||
|
|
//
|
||
|
|
// Purpose: static member variables.
|
||
|
|
//
|
||
|
|
// History: 2000-05-17 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
const TCHAR CDimmedWindow::s_szWindowClassName[] = TEXT("DimmedWindowClass");
|
||
|
|
const TCHAR CDimmedWindow::s_szExplorerKeyName[] = TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Explorer");
|
||
|
|
const TCHAR CDimmedWindow::s_szExplorerPolicyKeyName[] = TEXT("Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer");
|
||
|
|
const TCHAR CDimmedWindow::s_szForceDimValueName[] = TEXT("ForceDimScreen");
|
||
|
|
#define RCW(rc) ((rc).right - (rc).left)
|
||
|
|
#define RCH(r) ((r).bottom - (r).top)
|
||
|
|
#define CHUNK_SIZE 20
|
||
|
|
|
||
|
|
void DimPixels(void* pvBitmapBits, int cLen, int Amount)
|
||
|
|
{
|
||
|
|
ULONG* pulSrc = (ULONG*)pvBitmapBits;
|
||
|
|
|
||
|
|
for (int i = cLen - 1; i >= 0; i--)
|
||
|
|
{
|
||
|
|
ULONG ulR = GetRValue(*pulSrc);
|
||
|
|
ULONG ulG = GetGValue(*pulSrc);
|
||
|
|
ULONG ulB = GetBValue(*pulSrc);
|
||
|
|
ULONG ulGray = (54 * ulR + 183 * ulG + 19 * ulB) >> 8;
|
||
|
|
ULONG ulTemp = ulGray * (0xff - Amount);
|
||
|
|
ulR = (ulR * Amount + ulTemp) >> 8;
|
||
|
|
ulG = (ulG * Amount + ulTemp) >> 8;
|
||
|
|
ulB = (ulB * Amount + ulTemp) >> 8;
|
||
|
|
*pulSrc = (*pulSrc & 0xff000000) | RGB(ulR, ulG, ulB);
|
||
|
|
|
||
|
|
pulSrc++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::CDimmedWindow
|
||
|
|
//
|
||
|
|
// Arguments: hInstance = HINSTANCE of the hosting process/DLL.
|
||
|
|
//
|
||
|
|
// Returns: <none>
|
||
|
|
//
|
||
|
|
// Purpose: Constructor for CDimmedWindow. Registers the window class
|
||
|
|
// DimmedWindowClass.
|
||
|
|
//
|
||
|
|
// History: 2000-05-17 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
CDimmedWindow::CDimmedWindow (HINSTANCE hInstance) :
|
||
|
|
_lReferenceCount(1),
|
||
|
|
_hInstance(hInstance),
|
||
|
|
_atom(0),
|
||
|
|
_hwnd(NULL),
|
||
|
|
_fDithered(false),
|
||
|
|
_pvPixels(NULL),
|
||
|
|
_idxChunk(0),
|
||
|
|
_idxSaturation(0),
|
||
|
|
_hdcDimmed(NULL),
|
||
|
|
_hbmOldDimmed(NULL),
|
||
|
|
_hbmDimmed(NULL)
|
||
|
|
{
|
||
|
|
WNDCLASSEX wndClassEx;
|
||
|
|
|
||
|
|
ZeroMemory(&wndClassEx, sizeof(wndClassEx));
|
||
|
|
wndClassEx.cbSize = sizeof(wndClassEx);
|
||
|
|
wndClassEx.lpfnWndProc = WndProc;
|
||
|
|
wndClassEx.hInstance = hInstance;
|
||
|
|
wndClassEx.lpszClassName = s_szWindowClassName;
|
||
|
|
wndClassEx.hCursor = LoadCursor(NULL, IDC_ARROW);
|
||
|
|
_atom = RegisterClassEx(&wndClassEx);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::~CDimmedWindow
|
||
|
|
//
|
||
|
|
// Arguments: <none>
|
||
|
|
//
|
||
|
|
// Returns: <none>
|
||
|
|
//
|
||
|
|
// Purpose: Destructor for CDimmedWindow. Destroys the dimmed window and
|
||
|
|
// unregisters the window class.
|
||
|
|
//
|
||
|
|
// History: 2000-05-17 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
CDimmedWindow::~CDimmedWindow (void)
|
||
|
|
|
||
|
|
{
|
||
|
|
if (_hdcDimmed)
|
||
|
|
{
|
||
|
|
SelectObject(_hdcDimmed, _hbmOldDimmed);
|
||
|
|
DeleteDC(_hdcDimmed);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_hbmDimmed)
|
||
|
|
{
|
||
|
|
DeleteObject(_hbmDimmed);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_hwnd != NULL)
|
||
|
|
{
|
||
|
|
(BOOL)DestroyWindow(_hwnd);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (_atom != 0)
|
||
|
|
{
|
||
|
|
TBOOL(UnregisterClass(MAKEINTRESOURCE(_atom), _hInstance));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::QueryInterface
|
||
|
|
//
|
||
|
|
// Arguments: riid = Interface to query support of.
|
||
|
|
// ppvObject = Returned interface if successful.
|
||
|
|
//
|
||
|
|
// Returns: HRESULT
|
||
|
|
//
|
||
|
|
// Purpose: Returns the specified interface implemented by this object.
|
||
|
|
//
|
||
|
|
// History: 2000-05-18 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HRESULT CDimmedWindow::QueryInterface (REFIID riid, void **ppvObject)
|
||
|
|
|
||
|
|
{
|
||
|
|
HRESULT hr;
|
||
|
|
|
||
|
|
if (IsEqualGUID(riid, IID_IUnknown))
|
||
|
|
{
|
||
|
|
*ppvObject = static_cast<IUnknown*>(this);
|
||
|
|
(LONG)InterlockedIncrement(&_lReferenceCount);
|
||
|
|
hr = S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppvObject = NULL;
|
||
|
|
hr = E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
return(hr);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::AddRef
|
||
|
|
//
|
||
|
|
// Arguments: <none>
|
||
|
|
//
|
||
|
|
// Returns: ULONG
|
||
|
|
//
|
||
|
|
// Purpose: Increments the reference count and returns that value.
|
||
|
|
//
|
||
|
|
// History: 2000-05-18 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
ULONG CDimmedWindow::AddRef (void)
|
||
|
|
|
||
|
|
{
|
||
|
|
return(static_cast<ULONG>(InterlockedIncrement(&_lReferenceCount)));
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::Release
|
||
|
|
//
|
||
|
|
// Arguments: <none>
|
||
|
|
//
|
||
|
|
// Returns: ULONG
|
||
|
|
//
|
||
|
|
// Purpose: Decrements the reference count and if it reaches zero deletes
|
||
|
|
// the object.
|
||
|
|
//
|
||
|
|
// History: 2000-05-18 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
ULONG CDimmedWindow::Release (void)
|
||
|
|
|
||
|
|
{
|
||
|
|
LONG lReferenceCount;
|
||
|
|
|
||
|
|
ASSERTMSG(_lReferenceCount > 0, "Reference count negative or zero in CDimmedWindow::Release");
|
||
|
|
lReferenceCount = InterlockedDecrement(&_lReferenceCount);
|
||
|
|
if (lReferenceCount == 0)
|
||
|
|
{
|
||
|
|
delete this;
|
||
|
|
}
|
||
|
|
return(lReferenceCount);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::Create
|
||
|
|
//
|
||
|
|
// Arguments: <none>
|
||
|
|
//
|
||
|
|
// Returns: HWND
|
||
|
|
//
|
||
|
|
// Purpose: Creates the dimmed window. Creates the window so that it
|
||
|
|
// covers the whole screen area.
|
||
|
|
//
|
||
|
|
// History: 2000-05-17 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
HWND CDimmedWindow::Create (void)
|
||
|
|
|
||
|
|
{
|
||
|
|
BOOL fScreenReader;
|
||
|
|
bool fNoDebuggerPresent, fConsoleSession, fNoScreenReaderPresent;
|
||
|
|
|
||
|
|
fNoDebuggerPresent = !IsDebuggerPresent();
|
||
|
|
fConsoleSession = (GetSystemMetrics(SM_REMOTESESSION) == FALSE);
|
||
|
|
fNoScreenReaderPresent = ((SystemParametersInfo(SPI_GETSCREENREADER, 0, &fScreenReader, 0) == FALSE) || (fScreenReader == FALSE));
|
||
|
|
if (fNoDebuggerPresent &&
|
||
|
|
fConsoleSession &&
|
||
|
|
fNoScreenReaderPresent)
|
||
|
|
{
|
||
|
|
_xVirtualScreen = GetSystemMetrics(SM_XVIRTUALSCREEN);
|
||
|
|
_yVirtualScreen = GetSystemMetrics(SM_YVIRTUALSCREEN);
|
||
|
|
_cxVirtualScreen = GetSystemMetrics(SM_CXVIRTUALSCREEN);
|
||
|
|
_cyVirtualScreen = GetSystemMetrics(SM_CYVIRTUALSCREEN);
|
||
|
|
_hwnd = CreateWindowEx(WS_EX_TOPMOST,
|
||
|
|
s_szWindowClassName,
|
||
|
|
NULL,
|
||
|
|
WS_POPUP,
|
||
|
|
_xVirtualScreen, _yVirtualScreen,
|
||
|
|
_cxVirtualScreen, _cyVirtualScreen,
|
||
|
|
NULL, NULL, _hInstance, this);
|
||
|
|
if (_hwnd != NULL)
|
||
|
|
{
|
||
|
|
bool fDimmed;
|
||
|
|
|
||
|
|
fDimmed = false;
|
||
|
|
(BOOL)ShowWindow(_hwnd, SW_SHOW);
|
||
|
|
TBOOL(SetForegroundWindow(_hwnd));
|
||
|
|
|
||
|
|
// For beta: Always use a dither
|
||
|
|
// if ((GetLowestScreenBitDepth() <= 8) || !IsDimScreen())
|
||
|
|
{
|
||
|
|
_fDithered = true;
|
||
|
|
}
|
||
|
|
(BOOL)EnableWindow(_hwnd, FALSE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return(_hwnd);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::GetLowestScreenBitDepth
|
||
|
|
//
|
||
|
|
// Arguments: <none>
|
||
|
|
//
|
||
|
|
// Returns: int
|
||
|
|
//
|
||
|
|
// Purpose: Iterates the display devices looking the display with the
|
||
|
|
// lowest bit depth.
|
||
|
|
//
|
||
|
|
// History: 2000-05-22 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
int CDimmedWindow::GetLowestScreenBitDepth (void) const
|
||
|
|
|
||
|
|
{
|
||
|
|
enum
|
||
|
|
{
|
||
|
|
INITIAL_VALUE = 256
|
||
|
|
};
|
||
|
|
|
||
|
|
BOOL fResult;
|
||
|
|
int iLowestScreenBitDepth, iDeviceNumber;
|
||
|
|
DISPLAY_DEVICE displayDevice;
|
||
|
|
|
||
|
|
iLowestScreenBitDepth = INITIAL_VALUE; // Start at beyond 32-bit depth.
|
||
|
|
iDeviceNumber = 0;
|
||
|
|
displayDevice.cb = sizeof(displayDevice);
|
||
|
|
fResult = EnumDisplayDevices(NULL, iDeviceNumber, &displayDevice, 0);
|
||
|
|
while (fResult != FALSE)
|
||
|
|
{
|
||
|
|
if ((displayDevice.StateFlags & DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) != 0)
|
||
|
|
{
|
||
|
|
HDC hdcDisplay;
|
||
|
|
|
||
|
|
hdcDisplay = CreateDC(displayDevice.DeviceName, displayDevice.DeviceName, NULL, NULL);
|
||
|
|
if (hdcDisplay != NULL)
|
||
|
|
{
|
||
|
|
int iResult;
|
||
|
|
|
||
|
|
iResult = GetDeviceCaps(hdcDisplay, BITSPIXEL);
|
||
|
|
if (iResult < iLowestScreenBitDepth)
|
||
|
|
{
|
||
|
|
iLowestScreenBitDepth = iResult;
|
||
|
|
}
|
||
|
|
TBOOL(DeleteDC(hdcDisplay));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
displayDevice.cb = sizeof(displayDevice);
|
||
|
|
fResult = EnumDisplayDevices(NULL, ++iDeviceNumber, &displayDevice, 0);
|
||
|
|
}
|
||
|
|
if (INITIAL_VALUE == iLowestScreenBitDepth)
|
||
|
|
{
|
||
|
|
iLowestScreenBitDepth = 8;
|
||
|
|
}
|
||
|
|
return(iLowestScreenBitDepth);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::IsForcedDimScreen
|
||
|
|
//
|
||
|
|
// Arguments: <none>
|
||
|
|
//
|
||
|
|
// Returns: bool
|
||
|
|
//
|
||
|
|
// Purpose: Returns whether the force override of dimming is set on this
|
||
|
|
// user or this machine. Check the local machine first. Then
|
||
|
|
// check the user setting. Then check the user policy. Then
|
||
|
|
// check the local machine policy.
|
||
|
|
//
|
||
|
|
// History: 2000-05-23 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
bool CDimmedWindow::IsForcedDimScreen (void) const
|
||
|
|
|
||
|
|
{
|
||
|
|
DWORD dwForceDimScreen;
|
||
|
|
CRegKey regKey;
|
||
|
|
|
||
|
|
dwForceDimScreen = 0;
|
||
|
|
if (ERROR_SUCCESS == regKey.Open(HKEY_LOCAL_MACHINE, s_szExplorerKeyName, KEY_QUERY_VALUE))
|
||
|
|
{
|
||
|
|
(LONG)regKey.GetDWORD(s_szForceDimValueName, dwForceDimScreen);
|
||
|
|
}
|
||
|
|
if (ERROR_SUCCESS == regKey.OpenCurrentUser(s_szExplorerKeyName, KEY_QUERY_VALUE))
|
||
|
|
{
|
||
|
|
(LONG)regKey.GetDWORD(s_szForceDimValueName, dwForceDimScreen);
|
||
|
|
}
|
||
|
|
if (ERROR_SUCCESS == regKey.OpenCurrentUser(s_szExplorerPolicyKeyName, KEY_QUERY_VALUE))
|
||
|
|
{
|
||
|
|
(LONG)regKey.GetDWORD(s_szForceDimValueName, dwForceDimScreen);
|
||
|
|
}
|
||
|
|
if (ERROR_SUCCESS == regKey.Open(HKEY_LOCAL_MACHINE, s_szExplorerPolicyKeyName, KEY_QUERY_VALUE))
|
||
|
|
{
|
||
|
|
(LONG)regKey.GetDWORD(s_szForceDimValueName, dwForceDimScreen);
|
||
|
|
}
|
||
|
|
return(dwForceDimScreen != 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::IsDimScreen
|
||
|
|
//
|
||
|
|
// Arguments: <none>
|
||
|
|
//
|
||
|
|
// Returns: bool
|
||
|
|
//
|
||
|
|
// Purpose: Returns whether the screen should be dimmed. If not then the
|
||
|
|
// screen will be dithered instead which is a cheaper operation
|
||
|
|
// by doesn't look as nice.
|
||
|
|
//
|
||
|
|
// 1) If UI effects are disabled then don't ever dim.
|
||
|
|
// 2) Dim if screen area is small enough OR forced to dim.
|
||
|
|
//
|
||
|
|
// History: 2000-05-23 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
bool CDimmedWindow::IsDimScreen (void) const
|
||
|
|
|
||
|
|
{
|
||
|
|
bool fIsUIEffectsActive;
|
||
|
|
BOOL fTemp;
|
||
|
|
|
||
|
|
fIsUIEffectsActive = (SystemParametersInfo(SPI_GETUIEFFECTS, 0, &fTemp, 0) != FALSE) && (fTemp != FALSE);
|
||
|
|
return(fIsUIEffectsActive && IsForcedDimScreen());
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL CDimmedWindow::StepDim()
|
||
|
|
{
|
||
|
|
HDC hdcWindow = GetDC(_hwnd);
|
||
|
|
|
||
|
|
if (_idxChunk >= 0 )
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// In the first couple of passes, we slowly collect the screen
|
||
|
|
// into our bitmap. We do this because Blt-ing the whole thing
|
||
|
|
// causes the system to hang. By doing it this way, we continue
|
||
|
|
// to pump messages, the UI stays responsive and it keeps the
|
||
|
|
// mouse alive.
|
||
|
|
//
|
||
|
|
|
||
|
|
int y = _idxChunk * CHUNK_SIZE;
|
||
|
|
BitBlt(_hdcDimmed, 0, y, _cxVirtualScreen, CHUNK_SIZE, hdcWindow, 0, y, SRCCOPY);
|
||
|
|
|
||
|
|
_idxChunk--;
|
||
|
|
if (_idxChunk < 0)
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// We're done getting the bitmap, now reset the timer
|
||
|
|
// so we slowly fade to grey.
|
||
|
|
//
|
||
|
|
|
||
|
|
SetTimer(_hwnd, 1, 250, NULL);
|
||
|
|
_idxSaturation = 16;
|
||
|
|
}
|
||
|
|
|
||
|
|
return TRUE; // don't kill the timer.
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
//
|
||
|
|
// In these passes, we are making the image more and more grey and
|
||
|
|
// then Blt-ing the result to the screen.
|
||
|
|
//
|
||
|
|
|
||
|
|
DimPixels(_pvPixels, _cxVirtualScreen * _cyVirtualScreen, 0xd5);
|
||
|
|
BitBlt(hdcWindow, 0, 0, _cxVirtualScreen, _cyVirtualScreen, _hdcDimmed, 0, 0, SRCCOPY);
|
||
|
|
|
||
|
|
_idxSaturation--;
|
||
|
|
|
||
|
|
return (_idxSaturation > 0); // when we hit zero, kill the timer.
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CDimmedWindow::SetupDim()
|
||
|
|
{
|
||
|
|
HDC hdcWindow = GetDC(_hwnd);
|
||
|
|
if (hdcWindow != NULL)
|
||
|
|
{
|
||
|
|
_hdcDimmed = CreateCompatibleDC(hdcWindow);
|
||
|
|
if (_hdcDimmed != NULL)
|
||
|
|
{
|
||
|
|
BITMAPINFO bmi;
|
||
|
|
|
||
|
|
ZeroMemory(&bmi, sizeof(bmi));
|
||
|
|
bmi.bmiHeader.biSize = sizeof(bmi);
|
||
|
|
bmi.bmiHeader.biWidth = _cxVirtualScreen;
|
||
|
|
bmi.bmiHeader.biHeight = _cyVirtualScreen;
|
||
|
|
bmi.bmiHeader.biPlanes = 1;
|
||
|
|
bmi.bmiHeader.biBitCount = 32;
|
||
|
|
bmi.bmiHeader.biCompression = BI_RGB;
|
||
|
|
bmi.bmiHeader.biSizeImage = 0;
|
||
|
|
|
||
|
|
_hbmDimmed = CreateDIBSection(_hdcDimmed, &bmi, DIB_RGB_COLORS, &_pvPixels, NULL, 0);
|
||
|
|
if (_hbmDimmed != NULL)
|
||
|
|
{
|
||
|
|
_hbmOldDimmed = (HBITMAP) SelectObject(_hdcDimmed, _hbmDimmed);
|
||
|
|
_idxChunk = _cyVirtualScreen / CHUNK_SIZE;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
ASSERT( NULL == _pvPixels );
|
||
|
|
DeleteDC(_hdcDimmed);
|
||
|
|
_hdcDimmed = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
ReleaseDC(_hwnd, hdcWindow);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CDimmedWindow::Dither()
|
||
|
|
|
||
|
|
{
|
||
|
|
static const WORD s_dwGrayBits[] =
|
||
|
|
{
|
||
|
|
0x5555, 0xAAAA, 0x5555, 0xAAAA, 0x5555, 0xAAAA, 0x5555, 0xAAAA
|
||
|
|
};
|
||
|
|
|
||
|
|
HDC hdcWindow = GetDC(_hwnd);
|
||
|
|
if (hdcWindow != NULL)
|
||
|
|
{
|
||
|
|
HBITMAP hbmDimmed = CreateBitmap(8, 8, 1, 1, s_dwGrayBits);
|
||
|
|
if (hbmDimmed != NULL)
|
||
|
|
{
|
||
|
|
HBRUSH hbrDimmed = CreatePatternBrush(hbmDimmed);
|
||
|
|
if (hbrDimmed != NULL)
|
||
|
|
{
|
||
|
|
static const int ROP_DPna = 0x000A0329;
|
||
|
|
|
||
|
|
RECT rc;
|
||
|
|
HBRUSH hbrSelected = static_cast<HBRUSH>(SelectObject(hdcWindow, hbrDimmed));
|
||
|
|
TBOOL(GetClientRect(_hwnd, &rc));
|
||
|
|
TBOOL(PatBlt(hdcWindow, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, ROP_DPna));
|
||
|
|
SelectObject(hdcWindow, hbrSelected);
|
||
|
|
|
||
|
|
TBOOL(DeleteObject(hbrDimmed));
|
||
|
|
}
|
||
|
|
|
||
|
|
TBOOL(DeleteObject(hbmDimmed));
|
||
|
|
}
|
||
|
|
TBOOL(ReleaseDC(_hwnd, hdcWindow));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
// CDimmedWindow::WndProc
|
||
|
|
//
|
||
|
|
// Arguments: See the platform SDK under WindowProc.
|
||
|
|
//
|
||
|
|
// Returns: See the platform SDK under WindowProc.
|
||
|
|
//
|
||
|
|
// Purpose: WindowProc for the dimmed window. This just passes the
|
||
|
|
// messages thru to DefWindowProc.
|
||
|
|
//
|
||
|
|
// History: 2000-05-17 vtan created
|
||
|
|
// --------------------------------------------------------------------------
|
||
|
|
|
||
|
|
LRESULT CALLBACK CDimmedWindow::WndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
||
|
|
|
||
|
|
{
|
||
|
|
LRESULT lResult = 0;
|
||
|
|
CDimmedWindow *pThis;
|
||
|
|
|
||
|
|
pThis = reinterpret_cast<CDimmedWindow*>(GetWindowLongPtr(hwnd, GWLP_USERDATA));
|
||
|
|
switch (uMsg)
|
||
|
|
{
|
||
|
|
case WM_CREATE:
|
||
|
|
{
|
||
|
|
CREATESTRUCT *pCreateStruct;
|
||
|
|
|
||
|
|
pCreateStruct = reinterpret_cast<CREATESTRUCT*>(lParam);
|
||
|
|
pThis = reinterpret_cast<CDimmedWindow*>(pCreateStruct->lpCreateParams);
|
||
|
|
(LONG_PTR)SetWindowLongPtr(hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(pThis));
|
||
|
|
lResult = 0;
|
||
|
|
if (pThis->_fDithered)
|
||
|
|
pThis->Dither();
|
||
|
|
else
|
||
|
|
{
|
||
|
|
pThis->SetupDim();
|
||
|
|
if (pThis->_hdcDimmed)
|
||
|
|
{
|
||
|
|
SetTimer(hwnd, 1, 30, NULL);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
case WM_TIMER:
|
||
|
|
if (!pThis->StepDim())
|
||
|
|
KillTimer(hwnd, 1);
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_PAINT:
|
||
|
|
{
|
||
|
|
HDC hdcPaint;
|
||
|
|
PAINTSTRUCT ps;
|
||
|
|
|
||
|
|
hdcPaint = BeginPaint(hwnd, &ps);
|
||
|
|
TBOOL(EndPaint(hwnd, &ps));
|
||
|
|
lResult = 0;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
lResult = DefWindowProc(hwnd, uMsg, wParam, lParam);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return(lResult);
|
||
|
|
}
|
||
|
|
|
||
|
|
|