636 lines
22 KiB
C++
636 lines
22 KiB
C++
#include "priv.h"
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#include "CoverWnd.h"
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#include <ginarcid.h>
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#undef IDB_BACKGROUND_24
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#define IDB_BACKGROUND_24 0x3812
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#undef IDB_FLAG_24
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#define IDB_FLAG_24 0x3813
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const TCHAR g_szWindowClassName[] = TEXT("CoverWindowClass");
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const TCHAR g_szPleaseWaitName[] = TEXT("PleaseWaitWindowClass");
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#define CHUNK_SIZE 20
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#define IDT_KILLYOURSELF 1
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#define IDT_UPDATE 2
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#define WM_DESTORYYOURSELF (WM_USER + 0)
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void DimPixels(ULONG* pulSrc, int cLen, int Amount)
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{
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for (int i = cLen - 1; i >= 0; i--)
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{
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ULONG ulR = GetRValue(*pulSrc);
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ULONG ulG = GetGValue(*pulSrc);
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ULONG ulB = GetBValue(*pulSrc);
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ULONG ulGray = (54 * ulR + 183 * ulG + 19 * ulB) >> 8;
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ULONG ulTemp = ulGray * (0xff - Amount);
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ulR = (ulR * Amount + ulTemp) >> 8;
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ulG = (ulG * Amount + ulTemp) >> 8;
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ulB = (ulB * Amount + ulTemp) >> 8;
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*pulSrc = (*pulSrc & 0xff000000) | RGB(ulR, ulG, ulB);
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pulSrc++;
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}
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}
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LRESULT CALLBACK PleaseWaitWndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lParam)
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{
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switch ( msg )
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{
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case WM_CREATE:
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{
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CREATESTRUCT* pCS = (CREATESTRUCT*)lParam;
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SetWindowLongPtr( hwnd, GWLP_USERDATA, (LPARAM) pCS->lpCreateParams );
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HBITMAP hbmBackground = (HBITMAP) pCS->lpCreateParams;
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BITMAP bm;
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if ( GetObject( hbmBackground, sizeof(bm), &bm ) )
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{
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RECT rc;
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HWND hwndParent = GetParent( hwnd );
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GetClientRect( hwndParent, &rc );
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POINT pt = {0,0};
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HMONITOR hmon = MonitorFromPoint(pt, MONITOR_DEFAULTTOPRIMARY);
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if (hmon)
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{
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MONITORINFO mi = {sizeof(mi)};
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GetMonitorInfo(hmon, &mi);
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rc = mi.rcMonitor;
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MapWindowPoints(HWND_DESKTOP, hwndParent, (LPPOINT)&rc, 2);
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}
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// Center dialog in the center of the virtual screen
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int x = ( rc.right - rc.left - bm.bmWidth ) / 2;
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int y = ( rc.bottom - rc.top - bm.bmHeight ) / 2;
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SetWindowPos( hwnd, NULL, x, y, bm.bmWidth, bm.bmHeight, SWP_NOZORDER | SWP_NOACTIVATE );
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}
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}
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return TRUE;
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case WM_PAINT:
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{
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HBITMAP hbmBackground = (HBITMAP) GetWindowLongPtr( hwnd, GWLP_USERDATA );
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PAINTSTRUCT ps;
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HDC hdc = BeginPaint( hwnd, &ps );
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BITMAP bm;
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if ( hbmBackground )
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{
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DWORD dwLayout = SetLayout(hdc, LAYOUT_BITMAPORIENTATIONPRESERVED);
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if ( GetObject( hbmBackground, sizeof(bm), &bm ) )
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{
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HDC hdcBackground = CreateCompatibleDC( hdc );
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if (hdcBackground)
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{
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HBITMAP hbmOld = (HBITMAP) SelectObject( hdcBackground, hbmBackground );
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BitBlt(hdc, 0, 0, bm.bmWidth, bm.bmHeight, hdcBackground, 0, 0, SRCCOPY);
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SelectObject( hdcBackground, hbmOld );
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DeleteDC( hdcBackground );
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}
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}
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SetLayout(hdc, dwLayout);
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// Don't draw more the once, no one will be on top of us
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DeleteObject(hbmBackground);
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SetWindowLongPtr( hwnd, GWLP_USERDATA, NULL );
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HFONT hfntSelected = NULL;
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HFONT hfntButton = NULL;
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HINSTANCE hMsGina = LoadLibrary( L"msgina.dll" );
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if ( hMsGina )
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{
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CHAR szPixelSize[ 32 ];
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if (LoadStringA(hMsGina,
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IDS_TURNOFF_TITLE_FACESIZE,
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szPixelSize,
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ARRAYSIZE(szPixelSize)) != 0)
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{
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LOGFONT logFont = { 0 };
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logFont.lfHeight = -MulDiv(atoi(szPixelSize), GetDeviceCaps(hdc, LOGPIXELSY), 72);
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if (LoadString(hMsGina,
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IDS_TURNOFF_TITLE_FACENAME,
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logFont.lfFaceName,
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LF_FACESIZE) != 0)
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{
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logFont.lfWeight = FW_BOLD;
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logFont.lfQuality = DEFAULT_QUALITY;
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hfntButton = CreateFontIndirect(&logFont);
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hfntSelected = static_cast<HFONT>(SelectObject(hdc, hfntButton));
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}
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}
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}
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COLORREF colorButtonText = RGB(255, 255, 255);
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COLORREF colorText = SetTextColor(hdc, colorButtonText);
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int iBkMode = SetBkMode(hdc, TRANSPARENT);
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WCHAR szText[MAX_PATH];
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szText[0] = 0;
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LoadString((HINSTANCE)GetWindowLongPtr(hwnd, GWLP_HINSTANCE), IDS_PLEASEWAIT, szText, ARRAYSIZE(szText));
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RECT rcText;
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RECT rcClient;
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RECT rc;
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TBOOL(GetClientRect( hwnd, &rcClient ));
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TBOOL(CopyRect(&rcText, &rcClient));
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DWORD dwFlags = DT_HIDEPREFIX | (IS_MIRRORING_ENABLED() ? DT_RTLREADING : 0);
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int iPixelHeight = DrawText( hdc, szText, -1, &rcText, DT_CALCRECT | dwFlags);
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TBOOL(CopyRect(&rc, &rcClient));
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TBOOL(InflateRect(&rc, -((rc.right - rc.left - (rcText.right - rcText.left)) / 2), -((rc.bottom - rc.top - iPixelHeight) / 2)));
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(int)DrawText(hdc, szText, -1, &rc, dwFlags );
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(int)SetBkMode(hdc, iBkMode);
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(COLORREF)SetTextColor(hdc, colorText);
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if ( hfntButton )
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{
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(HGDIOBJ)SelectObject(hdc, hfntSelected);
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DeleteObject( hfntButton );
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}
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}
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EndPaint( hwnd, &ps );
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}
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break;
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case WM_ERASEBKGND:
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return TRUE;
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default:
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return DefWindowProc( hwnd, msg, wp, lParam );
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break;
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}
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return 0;
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}
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CDimmedWindow::CDimmedWindow (HINSTANCE hInstance) :
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_lReferenceCount(1),
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_hInstance(hInstance)
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{
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WNDCLASSEX wndClassEx;
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ZeroMemory(&wndClassEx, sizeof(wndClassEx));
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wndClassEx.cbSize = sizeof(wndClassEx);
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wndClassEx.lpfnWndProc = WndProc;
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wndClassEx.hInstance = hInstance;
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wndClassEx.lpszClassName = g_szWindowClassName;
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wndClassEx.hCursor = LoadCursor(NULL, IDC_WAIT);
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_atom = RegisterClassEx(&wndClassEx);
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wndClassEx.lpszClassName = g_szPleaseWaitName;
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wndClassEx.lpfnWndProc = PleaseWaitWndProc;
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_atomPleaseWait = RegisterClassEx(&wndClassEx);
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}
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CDimmedWindow::~CDimmedWindow (void)
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{
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if (_hwnd)
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{
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PostMessage(_hwnd, WM_DESTORYYOURSELF, 0, 0);
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}
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if (_atom != 0)
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{
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TBOOL(UnregisterClass(MAKEINTRESOURCE(_atom), _hInstance));
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}
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if (_atomPleaseWait != 0 )
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{
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TBOOL(UnregisterClass(MAKEINTRESOURCE(_atomPleaseWait), _hInstance));
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}
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}
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ULONG CDimmedWindow::AddRef (void)
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{
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return(InterlockedIncrement(&_lReferenceCount));
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}
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ULONG CDimmedWindow::Release (void)
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{
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LONG lReferenceCount;
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lReferenceCount = InterlockedDecrement(&_lReferenceCount);
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ASSERTMSG(lReferenceCount >= 0, "Reference count negative or zero in CDimmedWindow::Release");
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if (lReferenceCount == 0)
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{
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delete this;
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}
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return(lReferenceCount);
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}
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DWORD CDimmedWindow::WorkerThread(IN void *pv)
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{
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ASSERT(pv);
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HWND hwnd = NULL;
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CDimmedWindow* pDimmedWindow = (CDimmedWindow*)pv;
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BOOL fScreenReader;
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bool fNoDebuggerPresent, fNoScreenReaderPresent;
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BOOL fUserTurnedOffWindow = SHRegGetBoolUSValue(SZ_THEMES, L"NoCoverWindow", FALSE, FALSE); // Needed for perf testing
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fNoDebuggerPresent = !IsDebuggerPresent();
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fNoScreenReaderPresent = ((SystemParametersInfo(SPI_GETSCREENREADER, 0, &fScreenReader, 0) == FALSE) || (fScreenReader == FALSE));
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if (fNoDebuggerPresent &&
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fNoScreenReaderPresent &&
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!fUserTurnedOffWindow)
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{
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int xVirtualScreen = GetSystemMetrics(SM_XVIRTUALSCREEN);
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int yVirtualScreen = GetSystemMetrics(SM_YVIRTUALSCREEN);
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int cxVirtualScreen = GetSystemMetrics(SM_CXVIRTUALSCREEN);
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int cyVirtualScreen = GetSystemMetrics(SM_CYVIRTUALSCREEN);
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HWND hwnd = CreateWindowEx(WS_EX_TOPMOST,
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g_szWindowClassName,
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NULL,
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WS_POPUP | WS_CLIPCHILDREN,
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xVirtualScreen, yVirtualScreen,
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cxVirtualScreen, cyVirtualScreen,
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NULL, NULL, pDimmedWindow->_hInstance, NULL);
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if (hwnd != NULL)
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{
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bool fDimmed;
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HBITMAP hbmBackground = NULL;
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fDimmed = false;
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(BOOL)ShowWindow(hwnd, SW_SHOW);
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TBOOL(SetForegroundWindow(hwnd));
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(BOOL)EnableWindow(hwnd, FALSE);
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SetTimer(hwnd, IDT_KILLYOURSELF, pDimmedWindow->_ulKillTimer, NULL);
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// Now create bitmap with background image and the windows flag
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HINSTANCE hShell32 = LoadLibrary( L"shell32.dll" );
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if ( NULL != hShell32 )
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{
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hbmBackground = (HBITMAP) LoadImage( hShell32, MAKEINTRESOURCE( IDB_BACKGROUND_24 ), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION | LR_DEFAULTSIZE );
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if (hbmBackground)
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{
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HDC hdcMem1 = CreateCompatibleDC(NULL);
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if (hdcMem1)
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{
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HDC hdcMem2 = CreateCompatibleDC(NULL);
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if (hdcMem2)
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{
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HBITMAP hbmFlag = (HBITMAP) LoadImage( hShell32, MAKEINTRESOURCE( IDB_FLAG_24 ), IMAGE_BITMAP, 0, 0, LR_CREATEDIBSECTION | LR_DEFAULTSIZE );
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if (hbmFlag)
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{
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HBITMAP hbmOld1 = (HBITMAP)SelectObject(hdcMem1, hbmBackground);
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HBITMAP hbmOld2 = (HBITMAP)SelectObject(hdcMem2, hbmFlag);
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BITMAP bm1;
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if (GetObject(hbmBackground, sizeof(bm1), &bm1))
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{
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BITMAP bm2;
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if (GetObject(hbmFlag, sizeof(bm2), &bm2))
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{
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BitBlt(hdcMem1, bm1.bmWidth - bm2.bmWidth - 8, 0, bm2.bmWidth, bm2.bmHeight, hdcMem2, 0, 0, SRCCOPY);
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}
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}
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SelectObject(hdcMem1, hbmOld1);
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SelectObject(hdcMem2, hbmOld2);
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DeleteObject(hbmFlag);
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}
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DeleteDC(hdcMem2);
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}
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DeleteDC(hdcMem1);
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}
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}
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FreeLibrary( hShell32 );
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}
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HWND hwndPleaseWait = CreateWindowEx( 0
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, g_szPleaseWaitName
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, NULL
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, WS_CHILD | WS_VISIBLE | WS_BORDER
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, 0
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, 0
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, 100
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, 100
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, hwnd
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, NULL
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, pDimmedWindow->_hInstance
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, hbmBackground // the window is responsible for freeing it.
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);
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if ( NULL == hwndPleaseWait )
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{
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DeleteObject( hbmBackground );
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}
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pDimmedWindow->_hwnd = hwnd;
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// This Release matches the addref during ::Create to guarantee that the object does not die before the HWND
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// is created.
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pDimmedWindow->Release();
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MSG msg;
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while (GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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if ((msg.message == WM_DESTORYYOURSELF) && (msg.hwnd == hwnd))
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{
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break;
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}
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}
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}
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}
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return (hwnd == NULL ? E_FAIL : S_OK);
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}
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HRESULT CDimmedWindow::Create (UINT ulKillTimer)
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{
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BOOL fSucceeded = FALSE;
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if (!_hwnd)
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{
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_ulKillTimer = ulKillTimer;
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AddRef();
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fSucceeded = SHCreateThread(CDimmedWindow::WorkerThread, (void *)this, CTF_INSIST, NULL);
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if (!fSucceeded)
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{
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Release();
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}
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}
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return fSucceeded ? S_OK : E_FAIL;
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}
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typedef struct
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{
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HDC hdcDimmed;
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HBITMAP hbmDimmed;
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HBITMAP hbmOldDimmed;
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HDC hdcTemp;
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HBITMAP hbmTemp;
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HBITMAP hbmOldTemp;
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ULONG* pulSrc;
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int idxSaturation;
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int idxChunk;
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int idxProgress;
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} DIMMEDWINDOWDATA;
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LRESULT CALLBACK CDimmedWindow::WndProc (HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
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{
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LRESULT lResult = 0;
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DIMMEDWINDOWDATA *pData;
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pData = (DIMMEDWINDOWDATA *)GetWindowLongPtr(hwnd, GWLP_USERDATA);
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switch (uMsg)
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{
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case WM_CREATE:
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{
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CREATESTRUCT* pCS = (CREATESTRUCT*)lParam;
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if (pCS)
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{
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pData = new DIMMEDWINDOWDATA;
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if (pData)
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{
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SetWindowLongPtr(hwnd, GWLP_USERDATA, (LONG_PTR)pData);
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// On remote session we don't gray out the screen, yeah :-)
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if (!GetSystemMetrics(SM_REMOTESESSION))
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{
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HDC hdcWindow = GetDC(hwnd);
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if (hdcWindow != NULL )
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{
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pData->hdcDimmed = CreateCompatibleDC(hdcWindow);
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if (pData->hdcDimmed)
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{
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BITMAPINFO bmi;
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ZeroMemory(&bmi, sizeof(bmi));
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bmi.bmiHeader.biSize = sizeof(bmi);
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bmi.bmiHeader.biWidth = pCS->cx;
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bmi.bmiHeader.biHeight = pCS->cy;
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bmi.bmiHeader.biPlanes = 1;
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bmi.bmiHeader.biBitCount = 32;
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bmi.bmiHeader.biCompression = BI_RGB;
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bmi.bmiHeader.biSizeImage = 0;
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pData->hbmDimmed = CreateDIBSection(pData->hdcDimmed, &bmi, DIB_RGB_COLORS, (LPVOID*)&pData->pulSrc, NULL, 0);
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if (pData->hbmDimmed != NULL)
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{
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pData->hbmOldDimmed = (HBITMAP) SelectObject(pData->hdcDimmed, pData->hbmDimmed);
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pData->idxSaturation = 8;
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pData->idxChunk = pCS->cy / CHUNK_SIZE;
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}
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else
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{
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DeleteDC(pData->hdcDimmed);
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pData->hdcDimmed = NULL;
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}
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}
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pData->hdcTemp = CreateCompatibleDC(hdcWindow);
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if (pData->hdcTemp)
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{
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pData->hbmTemp = CreateCompatibleBitmap(hdcWindow, pCS->cx, pCS->cy);
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if (pData->hbmTemp)
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{
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pData->hbmOldTemp = (HBITMAP) SelectObject(pData->hdcTemp, pData->hbmTemp);
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}
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else
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{
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DeleteDC(pData->hdcTemp);
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pData->hdcTemp = NULL;
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}
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}
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ReleaseDC(hwnd, hdcWindow);
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}
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}
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if (pData->hdcDimmed)
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{
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SetTimer(hwnd, IDT_UPDATE, 30, NULL);
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}
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}
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}
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break;
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}
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case WM_DESTORYYOURSELF:
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{
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DestroyWindow(hwnd);
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break;
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}
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case WM_DESTROY:
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{
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if (pData)
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{
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SetWindowLongPtr(hwnd, GWLP_USERDATA, NULL);
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KillTimer(hwnd, IDT_UPDATE);
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KillTimer(hwnd, IDT_KILLYOURSELF);
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if (pData->hdcDimmed)
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{
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SelectObject(pData->hdcDimmed, pData->hbmOldDimmed);
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DeleteDC(pData->hdcDimmed);
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pData->hdcDimmed = NULL;
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}
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if (pData->hbmDimmed)
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{
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DeleteObject(pData->hbmDimmed);
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pData->hbmDimmed = NULL;
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}
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if (pData->hdcTemp)
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{
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SelectObject(pData->hdcTemp, pData->hbmOldTemp);
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DeleteDC(pData->hdcTemp);
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pData->hdcTemp = NULL;
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}
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if (pData->hbmTemp)
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{
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DeleteObject(pData->hbmTemp);
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pData->hbmTemp = NULL;
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}
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delete pData;
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}
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break;
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}
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case WM_TIMER:
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if (pData)
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{
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BOOL fDestroyBitmaps = FALSE;
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if (wParam == IDT_KILLYOURSELF)
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{
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ShowWindow(hwnd, SW_HIDE);
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fDestroyBitmaps = TRUE;
|
|
}
|
|
else if (pData->hdcDimmed && pData->hbmDimmed)
|
|
{
|
|
HDC hdcWindow = GetDC(hwnd);
|
|
|
|
BITMAP bm;
|
|
GetObject(pData->hbmDimmed, sizeof(BITMAP), &bm);
|
|
|
|
if (pData->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 = pData->idxChunk * CHUNK_SIZE;
|
|
if (pData->hdcTemp)
|
|
{
|
|
BitBlt(pData->hdcTemp, 0, y, bm.bmWidth, CHUNK_SIZE, hdcWindow, 0, y, SRCCOPY);
|
|
BitBlt(pData->hdcDimmed, 0, y, bm.bmWidth, CHUNK_SIZE, pData->hdcTemp, 0, y, SRCCOPY);
|
|
}
|
|
else
|
|
{
|
|
BitBlt(pData->hdcDimmed, 0, y, bm.bmWidth, CHUNK_SIZE, hdcWindow, 0, y, SRCCOPY);
|
|
}
|
|
|
|
pData->idxChunk--;
|
|
if (pData->idxChunk < 0)
|
|
{
|
|
//
|
|
// We're done getting the bitmap, now reset the timer
|
|
// so we slowly fade to grey.
|
|
//
|
|
|
|
SetTimer(hwnd, IDT_UPDATE, 250, NULL);
|
|
pData->idxSaturation = 16;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// In these passes, we are making the image more and more grey and
|
|
// then Blt-ing the result to the screen.
|
|
//
|
|
|
|
DimPixels(pData->pulSrc, bm.bmWidth * bm.bmHeight, 0xd5);
|
|
BitBlt(hdcWindow, 0, 0, bm.bmWidth, bm.bmHeight, pData->hdcDimmed, 0, 0, SRCCOPY);
|
|
|
|
pData->idxSaturation--;
|
|
|
|
if (pData->idxSaturation <= 0) // when we hit zero, kill the timer.
|
|
{
|
|
KillTimer(hwnd, IDT_UPDATE);
|
|
fDestroyBitmaps = TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (fDestroyBitmaps)
|
|
{
|
|
if (pData->hdcDimmed)
|
|
{
|
|
SelectObject(pData->hdcDimmed, pData->hbmOldDimmed);
|
|
DeleteDC(pData->hdcDimmed);
|
|
pData->hdcDimmed = NULL;
|
|
}
|
|
|
|
if (pData->hbmDimmed)
|
|
{
|
|
DeleteObject(pData->hbmDimmed);
|
|
pData->hbmDimmed = NULL;
|
|
}
|
|
|
|
if (pData->hdcTemp)
|
|
{
|
|
SelectObject(pData->hdcTemp, pData->hbmOldTemp);
|
|
DeleteDC(pData->hdcTemp);
|
|
pData->hdcTemp = NULL;
|
|
}
|
|
|
|
if (pData->hbmTemp)
|
|
{
|
|
DeleteObject(pData->hbmTemp);
|
|
pData->hbmTemp = NULL;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case WM_WINDOWPOSCHANGING:
|
|
{
|
|
LPWINDOWPOS pwp = (LPWINDOWPOS) lParam;
|
|
pwp->flags |= SWP_NOSIZE | SWP_NOMOVE;
|
|
}
|
|
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);
|
|
}
|
|
|
|
|