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globals.cpp
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globals.cpp
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/*!=========================================================================
//
// Program: ZMatrix
// Module: $RCSfile: globals.cpp,v $
// Language: C/C++
// Date: $Date: 2003/04/13 22:01:43 $
// Version: $Revision: 1.29 $
//
// Copyright (c) 2001-2002 Z. Shaker
// All rights reserved.
// See License.txt for details.
//
// This file is part of ZMatrix.
//
// ZMatrix 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.
//
// ZMatrix 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 ZMatrix; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
//=========================================================================*/
#include "globals.h"
#include "RegistryListenerThread.h"
#include "TopLevelListenerWindow.h"
#include <wininet.h>
#include <shlguid.h>
#include <shlobj.h>
unsigned int RefreshTime = 50;
HANDLE DESKTOPREDRAW_Event = CreateEvent(NULL,FALSE,FALSE,DESKTOPREDRAW_EVENT_ID);
_TCHAR szWinName[] = _TEXT("ZMatrix");
_TCHAR DummyMatrixWindowClassName[] = _TEXT("DummyZMatrixWindowClass");
unsigned int gscreenWidth = 0;
unsigned int gscreenHeight = 0;
int gscreenTop = 0;
int gscreenLeft = 0;
HDC ghdc;
HMENU gSysTrayMenu;
HMENU gSysTrayPopup;
HINSTANCE ghInstance;
HWND ghWnd = NULL;
HWND ghProgman = NULL;
HWND WorkerW = NULL;
HWND ghShellDLL = NULL;
HWND ghSysListView = NULL;
bool LiteStepMode = false;
NOTIFYICONDATA IconData;
HRGN ValidRGN = NULL;
IzsMatrix *PreScreenSaveMatrixObject = NULL;
bool PreScreenSavePauseState = false;
unsigned int PreScreenSaveRefreshTime = 50;
DWORD PreScreenSavePriorityClass = IDLE_PRIORITY_CLASS;
WNDCLASSEX ScreenSaverDummyClass = {
/* Define a window class */
sizeof(WNDCLASSEX),
0,
DefWindowProc,
0,
0,
ghInstance,
LoadIcon(NULL, IDI_WINLOGO),
LoadCursor(NULL,IDC_ARROW),
(HBRUSH)GetStockObject(NULL_BRUSH),
NULL,
_TEXT("DummyZMatrixWindowClass"),
LoadIcon(NULL, IDI_WINLOGO)
};
HWND ScreenSaverDummyWindow = NULL;
IzsMatrix *MatrixObject = NULL;
bool Paused = false;
bool DesktopIsCleared = false;
bool WallpaperIsCleared = false;
bool DesktopColorIsCleared = false;
bool OrigDesktopColorIsValid = false;
COLORREF OrigDesktopColor = GetSysColor(COLOR_DESKTOP);
bool OrigWallpaperIsValid = false;
_tstring OrigWallpaperString;
bool OrigActiveDesktopWallpaperIsValid = false;
widestring OrigActiveDesktopWallpaperString;
TCHAR AllUsersStartupDirectoryPath[MAX_PATH];
_tstring AllUsersStartupShortcutPath;
TCHAR CurrentUserStartupDirectoryPath[MAX_PATH];
_tstring CurrentUserStartupShortcutPath;
_tstring MatrixCommandLine;
TCHAR CurrentUserAppDataDirectoryPath[MAX_PATH];
_tstring AppConfigDirectoryPath;
_tstring AppConfigFilePath;
_tstring AppScreenSaverConfigFilePath;
_tstring AppMiscConfigFilePath;
bool ReadyToScreenSave = false;
bool OutstandingScreenSaveRequest = false;
bool InScreenSaveMode = false;
bool UnSetSSWhenDone = false;
vector<OutstandingScreenSaveRequestPair> OutstandingScreenSaveRequestParams;
POINT MouseScreenPointAtScreenSaveStart = {0,0};
bool AlwaysSetAsScreenSaverWhileRunning = false;
bool BlendScreenSaverWithBGOnly = false;
typedef pair<HWND,UINT> NotificationPair;
vector<NotificationPair> WindowsToNotifyWhenSSDone;
deque<IgnoredWallpaperChangeElement> WallpaperChangesToIgnore;
deque<IgnoredBGColorChangeElement> BGColorChangesToIgnore;
int SelfPostedDesktopChildAttached = 0;
vector<HWND> MinimizedWindows;
static bool AlreadyInConfig = false;
//===========================================================================
//===========================================================================
static int getNumColors( int nBits )
{
switch ( nBits ) {
case 1 : return 2;
case 4 : return 16;
case 8 : return 256;
case 24: return 0;
// default:
// assert( false );
} return 0;
}
//===========================================================================
//===========================================================================
static BITMAP *getInfo( HBITMAP hbmp )
{
static BITMAP bitmap = { { 0 } };
GetObject( hbmp, sizeof bitmap, &bitmap );
return &bitmap;
}
//===========================================================================
//===========================================================================
bool SaveBitmap( HBITMAP hbmp, LPCTSTR pszFile )
{
const BITMAP *pBitmap = getInfo( hbmp );
const int nNumColors = getNumColors( pBitmap->bmBitsPixel );
const UINT nPalSize = nNumColors * sizeof( RGBQUAD );
const long lBytes = pBitmap->bmHeight *
MulDiv( 4, pBitmap->bmWidthBytes + 3, 4 );
BYTE *pImage = (BYTE *) malloc( lBytes );
if ( 0 == pImage ) {
return false;
}
BITMAPINFOHEADER bitmapInfoHeader = {
sizeof( BITMAPINFOHEADER ),
pBitmap->bmWidth,
pBitmap->bmHeight,
1,
pBitmap->bmBitsPixel,
BI_RGB,
lBytes,
0, 0,
//1 << pBitmap->bmBitsPixel,
};
const int nHeaderSize = sizeof( BITMAPFILEHEADER ) +
sizeof( BITMAPINFOHEADER ) + nPalSize;
const BITMAPFILEHEADER bitmapFileHeader = {
MAKEWORD( 'B', 'M' ), nHeaderSize + lBytes, 0, 0, nHeaderSize,
};
HDC hdc = GetDC( 0 );
const BOOL bOK = GetDIBits(
hdc, hbmp, 0, (WORD) pBitmap->bmHeight, pImage,
(BITMAPINFO *) &bitmapInfoHeader, DIB_RGB_COLORS );
ReleaseDC( 0, hdc );
if ( !bOK ) {
return false;
}
HANDLE h = CreateFile( pszFile,
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ, 0, CREATE_ALWAYS, 0, 0 );
if ( INVALID_HANDLE_VALUE == h ) {
return false;
}
DWORD dwBytesWritten = 0;
WriteFile( h, &bitmapFileHeader, sizeof bitmapFileHeader,
&dwBytesWritten, 0 );
WriteFile( h, &bitmapInfoHeader, sizeof bitmapInfoHeader,
&dwBytesWritten, 0 );
if ( 0 < nPalSize ) { // Note -- this has never been tested!
return false;
MB("Palette will be wrong!");
const BOOL hasPalette = IsClipboardFormatAvailable( CF_PALETTE );
RGBQUAD rgb[ 256 ] = { 0 };
PALETTEENTRY pe [ 256 ] = { 0 };
// assert( nPalSize <= 256 );
HPALETTE hpalette = 0;
const UINT nColors = GetPaletteEntries( hpalette, 0, nPalSize, pe );
// assert( nColors == nPalSize );
for ( UINT iColor = 0; iColor < nColors; iColor++) {
rgb[ iColor ].rgbRed = pe[ iColor ].peRed ;
rgb[ iColor ].rgbGreen = pe[ iColor ].peGreen;
rgb[ iColor ].rgbBlue = pe[ iColor ].peBlue ;
rgb[ iColor ].rgbReserved = 0;
}
// Save color table:
WriteFile( h, rgb, nPalSize, &dwBytesWritten, 0 );
// assert( dwBytesWritten == nPalSize );
}
// Save image:
WriteFile( h, pImage, lBytes, &dwBytesWritten, 0 );
// assert( dwBytesWritten == lBytes );
CloseHandle( h );
free( pImage );
return true;
}
//===========================================================================
//===========================================================================
void LogToFile(const _TCHAR *format, ...)
{
static bool FirstRun = true;
static _TCHAR buffer[2048];
va_list ap;
va_start(ap, format);
_vsntprintf(buffer,sizeof(buffer)/sizeof(_TCHAR), format, ap);
va_end(ap);
// Cleanup the log?
if (FirstRun)
{
_tunlink(_T("ZMatrixLog.txt"));
FirstRun = false;
}
// Open the log file
FILE *fp = _tfopen(_T("ZMatrixLog.txt"),_T("ab"));
if (!fp) return;
// Spit out the data to the log
_ftprintf(fp,_T("%s\r\n"), buffer);
fclose(fp);
}
//===========================================================================
//===========================================================================
BOOL CALLBACK MinimizeWindowsProc(HWND hWnd,LPARAM lParam)
{
if ( !IsWindowVisible( hWnd ) )
return TRUE;
if ( GetWindow( hWnd, GW_OWNER ) )
return TRUE;
LONG styleEx = GetWindowLong( hWnd, GWL_EXSTYLE );
if (!( styleEx & WS_EX_APPWINDOW ))
{
if ( styleEx & WS_EX_TOOLWINDOW )
return TRUE;
}
if(!IsIconic(hWnd))
{
SendMessage(hWnd,WM_SETREDRAW,FALSE,0);
ShowWindow(hWnd,SW_SHOWMINNOACTIVE);
SendMessage(hWnd,WM_SETREDRAW,TRUE,0);
MinimizedWindows.push_back(hWnd);
}
return TRUE;
}
//===========================================================================
//===========================================================================
void MinimizeAll(void)
{
MinimizedWindows.clear();
EnumWindows(MinimizeWindowsProc,NULL);
}
//===========================================================================
//===========================================================================
void UndoMinimizeAll(void)
{
vector<HWND>::reverse_iterator Iter = MinimizedWindows.rbegin();
for(;Iter != MinimizedWindows.rend();++Iter)
{
SendMessage(*Iter,WM_SETREDRAW,FALSE,0);
ShowWindow(*Iter,SW_RESTORE);
SendMessage(*Iter,WM_SETREDRAW,TRUE,0);
}
MinimizedWindows.clear();
}
//===========================================================================
//===========================================================================
void StoreOrigWallpaper(const _TCHAR *NewPaper)
{
if(NewPaper != NULL)
{
OrigWallpaperString = NewPaper;
OrigWallpaperIsValid = true;
}
else
{
#ifdef WIN9X
HKEY hKey;
if(ERROR_SUCCESS == RegOpenKeyEx(HKEY_CURRENT_USER,_T("Control Panel\\Desktop"),0,KEY_QUERY_VALUE,&hKey))
{
_TCHAR WallpaperBuffer[MAX_PATH + 1];
DWORD BufferPathInBytes = sizeof(_TCHAR)*(MAX_PATH + 1);
DWORD BufferPathInTCHARs = (MAX_PATH + 1);
memset(WallpaperBuffer,0,BufferPathInBytes);
DWORD TypeQueried = 0;
DWORD QueriedSize = BufferPathInBytes;
if(ERROR_SUCCESS == RegQueryValueEx(hKey,_T("Wallpaper"),0,&TypeQueried,(LPBYTE)WallpaperBuffer,&QueriedSize))
{
if(TypeQueried == REG_SZ)
{
WallpaperBuffer[QueriedSize/sizeof(_TCHAR) - 1] = _T(0);
OrigWallpaperString = WallpaperBuffer;
OrigWallpaperIsValid = true;
}
else
{
MB("Wallpaper not stored because of bizzare queried type when reading current screensaver.");
}
}
RegCloseKey(hKey);
}
else
{
MB("Failed to store the original wallpaper.(RegOpenKeyEx)");
}
#else
_TCHAR TempBuff[MAX_PATH + 1];
SystemParametersInfo(SPI_GETDESKWALLPAPER,MAX_PATH+1,TempBuff,0);
OrigWallpaperString = TempBuff;
OrigWallpaperIsValid = true;
#endif
}
}
//===========================================================================
//===========================================================================
void StoreOrigActiveDesktopWallpaper(const WCHAR *NewActiveDesktopPaper)
{
if(NewActiveDesktopPaper != NULL)
{
OrigActiveDesktopWallpaperString = NewActiveDesktopPaper;
OrigActiveDesktopWallpaperIsValid = true;
}
else
{
WCHAR TempBuff[MAX_PATH + 1];
if(HWND IESrv = FindWindowEx(ghShellDLL,0,_TEXT("Internet Explorer_Server"),NULL))
{
IActiveDesktop *pActiveDesktop = NULL;
CoCreateInstance( CLSID_ActiveDesktop, NULL, CLSCTX_SERVER,
IID_IActiveDesktop, (LPVOID *) &pActiveDesktop );
if(pActiveDesktop)
{
if(S_OK == pActiveDesktop->GetWallpaper(TempBuff,MAX_PATH+1,0))
{
OrigActiveDesktopWallpaperString = TempBuff;
OrigActiveDesktopWallpaperIsValid = true;
}
pActiveDesktop->Release();
}
}
}
}
//===========================================================================
//===========================================================================
void StoreOrigDesktopColor(const COLORREF *NewColor)
{
if(NewColor != NULL)
{
OrigDesktopColor = *NewColor;
OrigDesktopColorIsValid = true;
}
else
{
OrigDesktopColor = GetSysColor(COLOR_DESKTOP);
OrigDesktopColorIsValid = true;
}
}
//===========================================================================
//===========================================================================
void StoreOrigDesktop(const _TCHAR *NewPaper, const WCHAR *NewActiveDesktopPaper, const COLORREF *NewColor)
{
StoreOrigWallpaper(NewPaper);
StoreOrigActiveDesktopWallpaper(NewActiveDesktopPaper);
StoreOrigDesktopColor(NewColor);
}
//===========================================================================
//===========================================================================
void RestoreOrigWallpaper(void)
{
if(OrigWallpaperIsValid)
{
//LogToFile(_T("Restoring wallpaper to %s\n"),OrigWallpaperString.c_str());
//SystemParametersInfo(SPI_SETDESKWALLPAPER,0,NULL,0);
SystemParametersInfo(SPI_SETDESKWALLPAPER,0,const_cast<_TCHAR *>(OrigWallpaperString.c_str()),0);
WallpaperIsCleared = false;
DesktopIsCleared = (WallpaperIsCleared && DesktopColorIsCleared);
}
if(OrigActiveDesktopWallpaperIsValid)
{
if(HWND IESrv = FindWindowEx(ghShellDLL,0,_TEXT("Internet Explorer_Server"),NULL))
{
//SelfPostedDesktopStyleChanges++;
//SendMessage(ghSysListView,LVM_SETEXTENDEDLISTVIEWSTYLE,LVS_EX_REGIONAL,0xFFFF);
IActiveDesktop *pActiveDesktop = NULL;
CoCreateInstance( CLSID_ActiveDesktop, NULL, CLSCTX_SERVER,
IID_IActiveDesktop, (LPVOID *) &pActiveDesktop );
if(pActiveDesktop)
{
if(S_OK != pActiveDesktop->SetWallpaper(OrigActiveDesktopWallpaperString.c_str(),0))
{
MB("Failed to restore active desktop wallpaper");
}
SelfPostedDesktopChildAttached++;
pActiveDesktop->ApplyChanges(AD_APPLY_HTMLGEN|AD_APPLY_REFRESH|AD_APPLY_FORCE);
pActiveDesktop->Release();
}
#ifdef WIN9X
/*This magic message is supposed to force Win9x to refresh the background... Don't ask me why*/
//RedrawWindow(ghProgman,NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN);
SelfPostedDesktopChildAttached++;
PostMessage(ghProgman,WM_COMMAND,0x1A220,NULL);
//RedrawWindow(GetDesktopWindow(),NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN);
//SHChangeNotify(SHCNE_ALLEVENTS,SHCNF_IDLIST,NULL,NULL);
//PostMessage(ghProgman,WM_KEYDOWN,VK_F5,0);
//PostMessage(ghProgman,WM_KEYUP,VK_F5,0);
#endif
}
}
}
//===========================================================================
//===========================================================================
void RestoreOrigDesktopColor(void)
{
if(OrigDesktopColorIsValid)
{
int DesktopColorID = COLOR_DESKTOP;
BGColorChangesToIgnore.push_back(OrigDesktopColor);
SetSysColors(1,&DesktopColorID,&OrigDesktopColor);
DesktopColorIsCleared = false;
DesktopIsCleared = (WallpaperIsCleared && DesktopColorIsCleared);
}
}
//===========================================================================
//===========================================================================
void RestoreOrigDesktop(void)
{
RestoreOrigDesktopColor();
RestoreOrigWallpaper();
}
//===========================================================================
//===========================================================================
void ClearWallpaper(void)
{
if(HWND IESrv = FindWindowEx(ghShellDLL,0,_TEXT("Internet Explorer_Server"),NULL))
{
IActiveDesktop *pActiveDesktop = NULL;
CoCreateInstance( CLSID_ActiveDesktop, NULL, CLSCTX_SERVER,
IID_IActiveDesktop, (LPVOID *) &pActiveDesktop );
if(pActiveDesktop)
{
if(S_OK != pActiveDesktop->SetWallpaper(L"",0))
{
MB("Failed to set active desktop wallpaper");
}
SelfPostedDesktopChildAttached++;
pActiveDesktop->ApplyChanges(AD_APPLY_HTMLGEN|AD_APPLY_REFRESH|AD_APPLY_FORCE);
pActiveDesktop->Release();
SetWindowPos(ghWnd,IESrv,0,0,0,0,SWP_NOSIZE|SWP_NOMOVE);
}
#ifdef WIN9X
/*This magic message is supposed to force Win9x to refresh the background... Don't ask me why*/
//RedrawWindow(ghProgman,NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN);
SelfPostedDesktopChildAttached++;
PostMessage(ghProgman,WM_COMMAND,0x1A220,NULL);
//SHChangeNotify(SHCNE_ALLEVENTS,SHCNF_IDLIST,NULL,NULL);
//PostMessage(ghProgman,WM_KEYDOWN,VK_F5,0);
//PostMessage(ghProgman,WM_KEYUP,VK_F5,0);
#endif
//SelfPostedDesktopStyleChanges++;
//SendMessage(ghSysListView,LVM_SETEXTENDEDLISTVIEWSTYLE,LVS_EX_REGIONAL,0x0000);
}
SystemParametersInfo(SPI_SETDESKWALLPAPER,0,(void *)_T(""),0);
WallpaperIsCleared = true;
DesktopIsCleared = (WallpaperIsCleared && DesktopColorIsCleared);
}
//===========================================================================
//===========================================================================
void ClearDesktopColor(void)
{
INT DesktopColorID = COLOR_DESKTOP;
COLORREF BlackColor = 0;
BGColorChangesToIgnore.push_back(BlackColor);
SetSysColors(1,&DesktopColorID,&BlackColor);
DesktopColorIsCleared = true;
DesktopIsCleared = (WallpaperIsCleared && DesktopColorIsCleared);
}
//===========================================================================
//===========================================================================
void ClearDesktop(void)
{
ClearDesktopColor();
ClearWallpaper();
}
//===========================================================================
//===========================================================================
void EnforceDesktop(void)
{
BYTE CurrentBGAlpha = GetBGAlpha();
if( !DesktopIsCleared && ((CurrentBGAlpha < 128) || (MatrixObject->GetBGMode() == bgmodeColor)))
{
ClearDesktop();
}
else if(DesktopIsCleared && ((CurrentBGAlpha >= 128) && (MatrixObject->GetBGMode() != bgmodeColor)))
{
RestoreOrigDesktop();
}
}
//===========================================================================
//===========================================================================
BYTE GetBGAlpha(void)
{
BYTE R,G,B,A;
if(MatrixObject != NULL)
{
MatrixObject->GetBGColor(R,G,B,A);
return A;
}
return 0;
}
//===========================================================================
//===========================================================================
HBITMAP UpdateBG(void)
{
if(HWND IESrv = FindWindowEx(ghShellDLL,0,_TEXT("Internet Explorer_Server"),NULL))
{
MinimizeAll();
BringWindowToTop(IESrv);
RedrawWindow(IESrv,NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN);
HDC source = GetDC(IESrv);
HBITMAP hBGBitmap = CreateCompatibleBitmap(source,gscreenWidth,gscreenHeight);
HDC TempDC = CreateCompatibleDC(source);
SelectObject(TempDC,hBGBitmap);
BitBlt(TempDC,0,0,gscreenWidth,gscreenHeight,source,0,0,SRCCOPY);
//SaveBitmap(hBGBitmap,_T("Test.bmp"));
DeleteDC(TempDC);
ReleaseDC(IESrv,source);
SetWindowPos(IESrv,ghSysListView,0,0,0,0,SWP_NOMOVE|SWP_NOSIZE);
//RedrawWindow(ghSysListView,NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN);
UndoMinimizeAll();
return hBGBitmap;
}
else
{
HDC target = GetDC(0);
SetViewportOrgEx(target,gscreenLeft,gscreenTop,NULL);
RECT ClientRect;
GetClientRect(ghWnd,&ClientRect);
int Width = ClientRect.right - ClientRect.left;
int Height = ClientRect.bottom - ClientRect.top;
HBITMAP hBGBitmap = CreateCompatibleBitmap(target,Width,Height);
if(!PaintDesktop(target))
{
MB("Failed to PaintDesktop");
}
HDC TempDC = CreateCompatibleDC(target);
SelectObject(TempDC,hBGBitmap);
BitBlt(TempDC,ClientRect.left,ClientRect.top,Width,Height,target,ClientRect.left,ClientRect.top,SRCCOPY);
//SaveBitmap(hBGBitmap,_T("UpdatedBG.bmp"));
DeleteDC(TempDC);
SetViewportOrgEx(target,-gscreenLeft,-gscreenTop,NULL);
ReleaseDC(0,target);
InvalidateRect(NULL,NULL,TRUE);
//if(MatrixObject != NULL)
// MatrixObject->SetBGBitmap(hBGBitmap);
return hBGBitmap;
}
}
//===========================================================================
//===========================================================================
void UpdateRegions(void)
{
if(ghSysListView != NULL)
{
DWORD ListViewStyles;
HRGN hListViewRGN = CreateRectRgn(0,0,0,0);
HRGN hWndRGN = CreateRectRgn(0,0,gscreenWidth,gscreenHeight);
const unsigned int MaxRgnAttempts = 2;
ListViewStyles = ListView_GetExtendedListViewStyle(ghSysListView);
//SelfPostedDesktopStyleChanges++;
SendMessage(ghSysListView,LVM_SETEXTENDEDLISTVIEWSTYLE,LVS_EX_REGIONAL,0xFFFF);
RedrawWindow(ghSysListView,NULL,NULL,RDW_ERASE|RDW_INVALIDATE|RDW_UPDATENOW|RDW_ALLCHILDREN);
//hListViewRGN = CreateRectRgn(0,0,0,0);
unsigned int RgnAttempts = 0;
while((RgnAttempts < MaxRgnAttempts) &&
(GetWindowRgn(ghSysListView,hListViewRGN) == ERROR)
)
{
RgnAttempts++;
}
if(RgnAttempts >= MaxRgnAttempts)
{
//This is not neccessarily an error condition, because
//it may arise if there are no icons on the desktop.
//MB("Failed to get RGN for SysListView");
DeleteObject(hListViewRGN);
DeleteObject(hWndRGN);
return;
}
//SelfPostedDesktopStyleChanges++;
SendMessage(ghSysListView,LVM_SETEXTENDEDLISTVIEWSTYLE,LVS_EX_REGIONAL,ListViewStyles);
//if(GetWindowRgn(hWnd,hWndRGN) == ERROR) MB("Error, couldn't get RGN for hWnd");
if(CombineRgn(ValidRGN,hWndRGN,hListViewRGN,RGN_DIFF) == ERROR) MB("Error, couldn't calculate the diff region");
DeleteObject(hListViewRGN);
DeleteObject(hWndRGN);
}
}
//===========================================================================
//===========================================================================
HBITMAP Refresh(void)
{
if(DesktopIsCleared)
{
RestoreOrigDesktop();
UpdateRegions();
HBITMAP RetVal = UpdateBG();
ClearDesktop();
return RetVal;
}
else
{
UpdateRegions();
HBITMAP RetVal = UpdateBG();
return RetVal;
}
}
//===========================================================================
//===========================================================================
bool DirectoryExists(const _TCHAR *DirName)
{
if(DirName == NULL) return false;
DWORD Attrib = GetFileAttributes((_TCHAR *)DirName);
return ((Attrib != INVALID_FILE_ATTRIBUTES) && (FILE_ATTRIBUTE_DIRECTORY & Attrib));
}
//===========================================================================
//===========================================================================
bool FileExists(const _TCHAR *DirName)
{
if(DirName == NULL) return false;
DWORD Attrib = GetFileAttributes((_TCHAR *)DirName);
return ((Attrib != INVALID_FILE_ATTRIBUTES) && (!(FILE_ATTRIBUTE_DIRECTORY & Attrib)));
}
//===========================================================================
//===========================================================================
HRESULT CreateLink(const TCHAR *LinkTarget, const TCHAR *LinkLocation)
{
if((LinkTarget == NULL) || (LinkLocation == NULL))
{
return -1;
}
HRESULT hres;
IShellLink* psl;
// Get a pointer to the IShellLink interface.
hres = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, IID_IShellLink, (LPVOID *) &psl);
if (SUCCEEDED(hres))
{
IPersistFile* ppf;
// Set the path to the shortcut target and add the
// description.
psl->SetPath(LinkTarget);
// Query IShellLink for the IPersistFile interface for saving the
// shortcut in persistent storage.
hres = psl->QueryInterface(IID_IPersistFile,(LPVOID*)&ppf);
if (SUCCEEDED(hres))
{
unsigned int Length = _tcslen(LinkLocation);
WCHAR *TempBuffer = new WCHAR[_tcslen(LinkLocation) + 1];
for(unsigned int i = 0; i < Length; i++)
{
TempBuffer[i] = LinkLocation[i];
}
TempBuffer[Length] = (WCHAR)0;
// Save the link by calling IPersistFile::Save.
hres = ppf->Save(TempBuffer, TRUE);
delete[] TempBuffer;
ppf->Release();
}
psl->Release();
}
return hres;
}
//===========================================================================
//===========================================================================
void RemoveLink(const TCHAR *LinkLocation)
{
_tunlink(LinkLocation);
}
//===========================================================================
//===========================================================================
bool GetMatrixCommandLine(_tstring &Target)
{
unsigned int RetStrSize = 128;
_TCHAR *RetStr = (_TCHAR *)malloc(sizeof(_TCHAR)*RetStrSize);
while((RetStrSize - 1) == GetPrivateProfileString(_T("ZMatrixSS"),_T("MatrixCommandLine"),_T("matrix.exe"),RetStr,RetStrSize,_T("ZMatrixSS.ini")))
{
RetStrSize += 128;
RetStr = (_TCHAR *)realloc(RetStr,sizeof(_TCHAR)*RetStrSize);
}
Target = RetStr;
free(RetStr);
return false;
}
//===========================================================================
//===========================================================================
void BeginScreenSaveMode(HWND WindowToNotify,UINT MessageToSend)
{
if(WindowToNotify != NULL)
{
NotificationPair NewPair(WindowToNotify,MessageToSend);
if(WindowsToNotifyWhenSSDone.end() == find(WindowsToNotifyWhenSSDone.begin(),WindowsToNotifyWhenSSDone.end(),NewPair))
{
WindowsToNotifyWhenSSDone.push_back(NewPair);
}
}
if(!InScreenSaveMode)
{
if(MatrixObject == NULL) return;
HRESULT Result = NO_ERROR;
MULTI_QI Qi;
Qi.pIID = &IID_IZSMATRIX;
Qi.pItf = NULL;
Qi.hr = 0;
if(FAILED(Result = CoCreateInstanceEx(CLSID_ZSMATRIX,NULL,CLSCTX_ALL,NULL,1,&Qi) ) )
{
MB("Failed to create BackupObjectToConfig");
return;
}
PreScreenSaveMatrixObject = (IzsMatrix *)Qi.pItf;
PreScreenSaveMatrixObject->CopyFrom(*MatrixObject);
PreScreenSaveRefreshTime = RefreshTime;
PreScreenSavePriorityClass = GetPriorityClass(GetCurrentProcess());
PreScreenSavePauseState = Paused;
Paused = false;
if(BlendScreenSaverWithBGOnly)
{
if(FileExists(AppScreenSaverConfigFilePath.c_str()))
{
LoadConfig(MatrixObject,RefreshTime,AppScreenSaverConfigFilePath.c_str());
SetTimer(ghWnd,REFRESH_TIMER_ID,RefreshTime,0);
}
}
else
{
if(DesktopIsCleared)
{
RestoreOrigDesktop();
}
HDC target = GetDC(0);
SetViewportOrgEx(target,gscreenLeft,gscreenTop,NULL);
HDC TempDC = CreateCompatibleDC(target);
RECT ClientRect;
GetClientRect(ghWnd,&ClientRect);
int Width = ClientRect.right - ClientRect.left;
int Height = ClientRect.bottom - ClientRect.top;
HBITMAP hBGBitmap = CreateCompatibleBitmap(target,Width,Height);
SelectObject(TempDC,hBGBitmap);
BitBlt(TempDC,0,0,Width,Height,target,ClientRect.left,ClientRect.top,SRCCOPY);
DeleteDC(TempDC);
SetViewportOrgEx(target,-gscreenLeft,-gscreenTop,NULL);
ReleaseDC(0,target);
if(FileExists(AppScreenSaverConfigFilePath.c_str()))
{
LoadConfig(MatrixObject,RefreshTime,AppScreenSaverConfigFilePath.c_str());
SetTimer(ghWnd,REFRESH_TIMER_ID,RefreshTime,0);
}
MatrixObject->SetBGBitmap(hBGBitmap);
if(!DeleteObject(hBGBitmap))
{
DWORD Temp = GetLastError();
MB("Failed to delete old BG bitmap after starting a screensave");
}
BYTE CurrentBGAlpha = GetBGAlpha();
if( !DesktopIsCleared && ((CurrentBGAlpha < 128) || (MatrixObject->GetBGMode() == bgmodeColor)))
{
ClearDesktop();
}
}
if (!RegisterClassEx(&ScreenSaverDummyClass))
{
MB("Failed to register dummy matrix window class");
}
else
{
ScreenSaverDummyWindow = CreateWindowEx(WS_EX_TOPMOST|WS_EX_TOOLWINDOW,DummyMatrixWindowClassName,_T("DummyMatrixWindow"),WS_POPUP,gscreenLeft,gscreenTop,gscreenWidth,gscreenHeight,
NULL,NULL,ghInstance,NULL);
ShowWindow(ScreenSaverDummyWindow,SW_SHOW);
}
GetCursorPos(&MouseScreenPointAtScreenSaveStart);
ShowCursor(FALSE);
InScreenSaveMode = true;
SetMouseMessageHook(ghWnd);
CheckMenuItem(gSysTrayPopup,ID_SCREENSAVE,MF_CHECKED);
}
}
//===========================================================================
//===========================================================================
void EndScreenSaveMode(void)
{
if(InScreenSaveMode)
{
if((MatrixObject != NULL) && (PreScreenSaveMatrixObject != NULL))
{
MatrixObject->CopyFrom(*PreScreenSaveMatrixObject);
PreScreenSaveMatrixObject->Release();
PreScreenSaveMatrixObject = NULL;
RefreshTime = PreScreenSaveRefreshTime;
if(PreScreenSavePauseState)
{
KillTimer(ghWnd,REFRESH_TIMER_ID);
Paused = true;
}
else
{
SetTimer(ghWnd,REFRESH_TIMER_ID,RefreshTime,0);
}
SetPriorityClass(GetCurrentProcess(),PreScreenSavePriorityClass);