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881 lines
26 KiB
881 lines
26 KiB
/* BACKDLG.C
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**
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** Copyright (C) Microsoft, 1993, All Rights Reserved.
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**
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**
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** History:
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**
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*/
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#include "precomp.h"
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#include "shlwapi.h"
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#define MAX_RHS 256
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TCHAR g_szPattern[] = TEXT("pattern");
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TCHAR szDesktop[] = TEXT("desktop");
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TCHAR szWallpaper[] = TEXT("wallpaper");
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TCHAR szTileWall[] = TEXT("TileWallpaper");
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TCHAR szDotBMP[] = TEXT(".bmp");
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TCHAR szBMP[] = TEXT("\\*.bmp");
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TCHAR szDefExt[] = TEXT("bmp");
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BOOL g_bValidBitmap = FALSE; // the currently selected wallpaper is valid
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TCHAR g_szCurPattern[MAX_PATH];
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TCHAR g_szCurWallpaper[MAX_PATH];
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TCHAR g_szTempItem[MAX_PATH]; // which is more of a waste, stack or data?
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BOOL g_Back_bInit = TRUE; // assume we are in initialization process
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BOOL g_Back_bChanged = FALSE; // changes have been made
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static void NukeExt(LPTSTR sz);
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static LPTSTR NEAR PASCAL NiceName(LPTSTR sz);
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INT_PTR CALLBACK PatternDlgProc(HWND hDlg, UINT wMsg, WPARAM wParam, LPARAM lParam);
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#include "help.h"
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const static DWORD FAR aBckgrndHelpIds[] = {
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IDC_NO_HELP_1, IDH_COMM_GROUPBOX,
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IDC_NO_HELP_2, IDH_COMM_GROUPBOX,
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IDC_PATLIST, IDH_DSKTPBACKGROUND_PATTLIST,
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IDC_EDITPAT, IDH_DSKTPBACKGROUND_EDITPAT,
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IDC_WALLLIST, IDH_DSKTPBACKGROUND_WALLLIST,
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IDC_BROWSEWALL, IDH_DSKTPBACKGROUND_BROWSE,
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IDC_TXT_DISPLAY, IDH_DSKTPBACKGROUND_DISPLAY,
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IDC_TILE, IDH_DSKTPBACKGROUND_TILE,
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IDC_CENTER, IDH_DSKTPBACKGROUND_CENTER,
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IDC_BACKPREV, IDH_DSKTPBACKGROUND_MONITOR,
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0, 0
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};
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static const TCHAR szRegStr_Desktop[] = REGSTR_PATH_DESKTOP;
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static const TCHAR szRegStr_Setup[] = REGSTR_PATH_SETUP TEXT("\\Setup");
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static const TCHAR szSharedDir[] = TEXT("SharedDir");
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// we're mainly trying to filter multilingual upgrade cases
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// where the text for "(None)" is unpredictable
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//
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BOOL NEAR PASCAL IsProbablyAValidPattern( LPCTSTR pat )
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{
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BOOL sawanumber = FALSE;
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while( *pat )
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{
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if( ( *pat < TEXT('0') ) || ( *pat > TEXT('9') ) )
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{
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// it's not a number, it better be a space
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if( *pat != TEXT(' ') )
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return FALSE;
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}
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else
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sawanumber = TRUE;
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// NOTE: we avoid the need for AnsiNext by only advancing on US TCHARs
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pat++;
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}
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// TRUE if we saw at least one digit and there were only digits and spaces
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return sawanumber;
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}
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#ifdef DEBUG
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#define REG_INTEGER 1000
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int fTraceRegAccess = 0;
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void NEAR PASCAL RegDetails(int iWrite, HKEY hk, LPCTSTR lpszSubKey,
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LPCTSTR lpszValueName, DWORD dwType, LPTSTR lpszString, int iValue)
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{
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TCHAR Buff[256];
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TCHAR far *lpszReadWrite[] = { TEXT("DESK.CPL:Read"), TEXT("DESK.CPL:Write") };
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if(!fTraceRegAccess)
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return;
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switch(dwType)
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{
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case REG_SZ:
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StringCchPrintf(Buff, ARRAYSIZE(Buff), TEXT("%s String:hk=%#08lx, %s:%s=%s\n\r"), lpszReadWrite[iWrite],
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hk, lpszSubKey, lpszValueName, lpszString);
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break;
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case REG_INTEGER:
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StringCchPrintf(Buff, ARRAYSIZE(Buff), TEXT("%s int:hk=%#08lx, %s:%s=%d\n\r"), lpszReadWrite[iWrite],
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hk, lpszSubKey, lpszValueName, iValue);
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break;
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case REG_BINARY:
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StringCchPrintf(Buff, ARRAYSIZE(Buff), TEXT("%s Binary:hk=%#08lx, %s:%s=%#0lx;DataSize:%d\r\n"), lpszReadWrite[iWrite],
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hk, lpszSubKey, lpszValueName, lpszString, iValue);
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break;
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}
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OutputDebugString(Buff);
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}
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#endif // DEBUG
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//---------------------------------------------------------------------------
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// GetIntFromSubKey
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// hKey is the handle to the subkey
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// (already pointing to the proper location).
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//---------------------------------------------------------------------------
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int NEAR PASCAL GetIntFromSubkey(HKEY hKey, LPCTSTR lpszValueName, int iDefault)
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{
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TCHAR szValue[20];
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DWORD dwSizeofValueBuff = sizeof(szValue);
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DWORD dwType;
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int iRetValue = iDefault;
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if((RegQueryValueEx(hKey, lpszValueName, NULL, &dwType,
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(LPBYTE)szValue,
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&dwSizeofValueBuff) == ERROR_SUCCESS) && dwSizeofValueBuff)
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{
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// BOGUS: This handles only the string type entries now!
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if(dwType == REG_SZ)
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iRetValue = (int)StrToInt(szValue);
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#ifdef DEBUG
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else
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OutputDebugString(TEXT("String type expected from Registry\n\r"));
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#endif
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}
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#ifdef DEBUG
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RegDetails(0, hKey, TEXT(""), lpszValueName, REG_INTEGER, NULL, iRetValue);
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#endif
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return(iRetValue);
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}
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//---------------------------------------------------------------------------
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// GetIntFromReg()
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// Opens the given subkey and gets the int value.
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//---------------------------------------------------------------------------
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int NEAR PASCAL GetIntFromReg(HKEY hKey,
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LPCTSTR lpszSubkey,
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LPCTSTR lpszNameValue, int iDefault)
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{
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HKEY hk;
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int iRetValue = iDefault;
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// See if the key is present.
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if(RegOpenKeyEx(hKey, lpszSubkey, 0, KEY_READ, &hk) == ERROR_SUCCESS)
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{
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iRetValue = GetIntFromSubkey(hk, lpszNameValue, iDefault);
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RegCloseKey(hk);
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}
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return(iRetValue);
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}
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BOOL NEAR PASCAL GetStringFromReg(HKEY hKey,
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LPCTSTR lpszSubkey,
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LPCTSTR lpszValueName,
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LPCTSTR lpszDefault,
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LPTSTR lpszValue,
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DWORD cchSizeofValueBuff)
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{
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HKEY hk;
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DWORD dwType;
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BOOL fSuccess = FALSE;
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DWORD cbValueBuff = cchSizeofValueBuff * sizeof(TCHAR);
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// See if the key is present.
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if(RegOpenKeyEx(hKey, lpszSubkey, 0, KEY_READ, &hk) == ERROR_SUCCESS)
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{
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if((RegQueryValueEx(hk, lpszValueName, NULL, &dwType,
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(LPBYTE)lpszValue,
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&cbValueBuff) == ERROR_SUCCESS) && cbValueBuff)
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{
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// BOGUS: This handles only the string type entries now!
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#ifdef DEBUG
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if(dwType != REG_SZ)
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{
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OutputDebugString(TEXT("String type expected from Registry\n\r"));
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}
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else
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#endif
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fSuccess = TRUE;
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}
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RegCloseKey(hk);
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}
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// If failure, use the default string.
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if(!fSuccess && lpszDefault)
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{
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StringCchCopy(lpszValue, cchSizeofValueBuff, lpszDefault);
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}
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#ifdef DEBUG
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RegDetails(0, hKey, lpszSubkey, lpszValueName, REG_SZ, lpszValue, 0);
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#endif
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return(fSuccess);
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}
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//---------------------------------------------------------------------------
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//
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// UpdateRegistry:
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// This updates a given value of any data type at a given
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// location in the registry.
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//
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// The value name is passed in as an Id to a string in USER's String table.
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//
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//---------------------------------------------------------------------------
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BOOL FAR PASCAL UpdateRegistry(HKEY hKey,
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LPCTSTR lpszSubkey,
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LPCTSTR lpszValueName,
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DWORD dwDataType,
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LPVOID lpvData,
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DWORD dwDataSize)
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{
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HKEY hk;
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if (RegCreateKeyEx(hKey, lpszSubkey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, NULL, &hk, NULL) == ERROR_SUCCESS)
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{
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RegSetValueEx(hk, lpszValueName,
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0L, dwDataType,
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(const UCHAR *) lpvData,
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dwDataSize);
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#ifdef DEBUG
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RegDetails(1, hKey, lpszSubkey, lpszValueName, dwDataType, (LPTSTR)lpvData, (int)dwDataSize);
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#endif
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RegCloseKey(hk);
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return(TRUE);
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}
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return(FALSE);
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}
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/*-------------------------------------------------------------
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** force the update of the preview.
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**-------------------------------------------------------------*/
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void NEAR PASCAL UpdatePreview(HWND hDlg, WORD flags)
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{
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if (IsDlgButtonChecked(hDlg, IDC_TILE))
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flags |= BP_TILE;
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SendDlgItemMessage(hDlg, IDC_BACKPREV, WM_SETBACKINFO, flags, 0L);
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if (!g_Back_bInit && !g_Back_bChanged)
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{
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SendMessage(GetParent(hDlg), PSM_CHANGED, (WPARAM)hDlg, 0L);
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g_Back_bChanged = TRUE;
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}
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}
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/*------------------------------------------------------------------
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** read in all of the entries (LHS only) in a section.
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**
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** return: handle to local (fixed) memory containing names
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**------------------------------------------------------------------*/
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HANDLE PASCAL GetSection(LPTSTR lpIniFile, LPTSTR lpSection)
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{
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int nCount;
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int cchSize = 4096;
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int cbSize = (cchSize * sizeof(TCHAR));
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HANDLE hLocal, hTemp;
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if (!(hLocal = LocalAlloc(LPTR, cbSize)))
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return(NULL);
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while (1)
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{
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nCount = GetPrivateProfileString(lpSection, NULL, g_szNULL, (LPTSTR)hLocal, cchSize, lpIniFile);
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if (nCount < (cchSize-1))
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break;
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// need to grow the buffer
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cchSize += 2048;
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cbSize = (cchSize * sizeof(TCHAR));
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hTemp = hLocal;
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if (!(hLocal = LocalReAlloc(hTemp, cbSize, LMEM_MOVEABLE)))
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{
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LocalFree(hTemp);
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return(NULL);
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}
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}
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return(hLocal);
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}
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static void NukeExt(LPTSTR sz)
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{
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int len;
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len = lstrlen(sz);
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if (len > 4 && sz[len-4] == TEXT('.'))
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sz[len-4] = 0;
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}
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static void NameOnly(LPTSTR sz)
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{
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LPTSTR p = sz;
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LPTSTR s = NULL;
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while( *p )
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{
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if( ( *p == TEXT('\\') ) || ( *p == TEXT(':') ) )
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s = p;
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p++;
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}
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if( s )
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{
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p = sz;
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while( *s++ )
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{
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*p++ = *s;
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}
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}
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}
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static BOOL PathOnly(LPTSTR sz)
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{
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LPTSTR p = sz;
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LPTSTR s = NULL;
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while( *p )
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{
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if( *p == TEXT('\\') )
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{
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s = p;
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}
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else if( *p == TEXT(':') )
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{
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s = p + 1;
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}
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p++;
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}
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if( s )
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{
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if( s == sz )
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s++;
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*s = TEXT('\0');
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return TRUE;
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}
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return FALSE;
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}
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static LPTSTR NEAR PASCAL NiceName(LPTSTR sz)
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{
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NukeExt(sz);
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if (IsCharUpper(sz[0]) && IsCharUpper(sz[1]))
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{
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CharLower(sz);
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CharUpperBuff(sz, 1);
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}
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return sz;
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}
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int NEAR PASCAL AddAFileToLB( HWND hwndList, LPCTSTR szDir, LPTSTR szFile )
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{
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int index = LB_ERR;
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int nAlloc = MAX_PATH;
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LPTSTR szPath = (LPTSTR)LocalAlloc( LPTR, nAlloc * sizeof(TCHAR) );
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if( szPath )
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{
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if( szDir )
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{
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StringCchPrintf(szPath, nAlloc, TEXT("%s\\"), szDir);
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}
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else
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*szPath = TEXT('\0');
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StringCchCat( (LPTSTR)szPath, nAlloc, szFile );
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NameOnly( szFile );
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NiceName( szFile );
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index = (int)SendMessage( hwndList, LB_ADDSTRING, 0,
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(LPARAM)(LPTSTR)szFile );
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if( index >= 0 )
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{
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SendMessage( hwndList, LB_SETITEMDATA, (WPARAM)index,
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(LPARAM)(LPTSTR)szPath );
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}
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else
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LocalFree( (HANDLE)szPath );
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}
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return index;
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}
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void NEAR PASCAL AddFilesToLB(HWND hwndList, LPTSTR pszDir, LPTSTR szSpec)
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{
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WIN32_FIND_DATA fd;
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HANDLE h;
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TCHAR szBuf[MAX_PATH];
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StringCchPrintf(szBuf, ARRAYSIZE(szBuf), TEXT("%s%s"), pszDir, szSpec);
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h = FindFirstFile(szBuf, &fd);
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if (h != INVALID_HANDLE_VALUE)
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{
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do
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{
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AddAFileToLB(hwndList, pszDir, fd.cFileName);
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}
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while (FindNextFile(h, &fd));
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FindClose(h);
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}
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}
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/*-------------------------------------------------------------
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** set a new wallpaper and notify the right places.
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**
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** the new name is in g_szCurWallpaper
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**-------------------------------------------------------------*/
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void NEAR PASCAL SetNewWallpaper(HWND hDlg, LPTSTR szFile, int cchFile, BOOL bCanAdd)
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{
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HWND hwndList = GetDlgItem(hDlg, IDC_WALLLIST);
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if(!szFile || !lstrcmpi(szFile, g_szNone))
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szFile = TEXT("");
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if(szFile[1] == TEXT(':'))
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{
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TCHAR szDrive[3];
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TCHAR szNet[MAX_PATH];
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ULONG lenNet = ARRAYSIZE(szNet);
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StringCchCopy(szDrive, ARRAYSIZE(szDrive), szFile);
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if ((NO_ERROR == WNetGetConnection(szDrive, szNet, &lenNet)) &&
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(szNet[0] == TEXT('\\')) && (szNet[1] == TEXT('\\')))
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{
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StringCchCat(szNet, ARRAYSIZE(szNet), szFile+2);
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StringCchCopy(szFile, cchFile, szNet);
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}
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}
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StringCchCopy(g_szCurWallpaper, ARRAYSIZE(g_szCurWallpaper), szFile);
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UpdatePreview(hDlg, BP_NEWWALL);
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if(bCanAdd && *szFile && g_bValidBitmap)
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{
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TCHAR szName[MAX_PATH];
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int sel;
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StringCchCopy(szName, ARRAYSIZE(szName), szFile);
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NameOnly(szName);
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NiceName(szName);
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if ((sel = (int)SendMessage(hwndList, LB_FINDSTRINGEXACT, (WPARAM)-1,
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(LPARAM)(LPTSTR)szName)) == LB_ERR)
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{
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sel = AddAFileToLB(hwndList, NULL, szFile);
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}
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SendMessage(hwndList, LB_SETCURSEL, (WPARAM)sel, 0L);
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}
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BOOL bEnable = (*szFile) ? TRUE : FALSE;
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EnableWindow( GetDlgItem(hDlg, IDC_TXT_DISPLAY), bEnable );
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EnableWindow( GetDlgItem(hDlg, IDC_TILE), bEnable );
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EnableWindow( GetDlgItem(hDlg, IDC_CENTER), bEnable );
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}
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void NEAR PASCAL InitBackgroundDialog(HWND hDlg)
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{
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HANDLE hSection;
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HWND hwndList;
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LPTSTR pszBuffer;
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TCHAR szBuf[MAX_PATH];
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TCHAR szCurPatBits[MAX_PATH];
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g_szCurPattern[0] = 0;
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g_szCurWallpaper[0] = 0;
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g_Back_bChanged = FALSE;
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/*
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** initialize the pattern list
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*/
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// get the current pattern.
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szCurPatBits[0] = 0;
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GetStringFromReg(HKEY_CURRENT_USER, szRegStr_Desktop,
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g_szPattern, g_szNULL, szCurPatBits,
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ARRAYSIZE(szCurPatBits));
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if (!(*szCurPatBits))
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StringCchCopy(g_szCurPattern, ARRAYSIZE(g_szCurPattern), g_szNone);
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else
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*g_szCurPattern = 0;
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hwndList = GetDlgItem(hDlg, IDC_PATLIST);
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if (hSection = GetSection(g_szControlIni, g_szPatterns))
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{
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BOOL bAddedNone = FALSE;
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/* Put the patterns into the combo box. */
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for (pszBuffer = (LPTSTR) LocalLock(hSection); *pszBuffer; pszBuffer += (lstrlen(pszBuffer)+1))
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{
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if (GetPrivateProfileString(g_szPatterns, pszBuffer, g_szNULL, szBuf, ARRAYSIZE(szBuf), g_szControlIni))
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{
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BOOL bIsNone = !bAddedNone && !lstrcmpi( g_szNone, szBuf );
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/* if there's a right-hand side, add it to the list box */
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if( bIsNone || IsProbablyAValidPattern( szBuf ) )
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{
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if( bIsNone )
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bAddedNone = TRUE;
|
|
|
|
SendMessage(hwndList, LB_ADDSTRING, 0, (LPARAM)(LPTSTR)pszBuffer);
|
|
|
|
// if haven't found current pattern name, maybe this is it.
|
|
if (!(*g_szCurPattern) && (!lstrcmpi(szBuf, szCurPatBits)))
|
|
{
|
|
// same pattern bits. we have a name
|
|
StringCchCopy(g_szCurPattern, ARRAYSIZE(g_szCurPattern), pszBuffer);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
LocalUnlock(hSection);
|
|
LocalFree(hSection);
|
|
}
|
|
|
|
// if our patternTEXT('s bits weren')t in the list, use a fake name
|
|
if (!(*g_szCurPattern))
|
|
LoadString(hInstance, IDS_UNLISTEDPAT, g_szCurPattern, ARRAYSIZE(g_szCurPattern));
|
|
|
|
SendMessage(hwndList, LB_SELECTSTRING, (WPARAM)-1, (LPARAM)(LPTSTR)g_szCurPattern);
|
|
UpdatePreview(hDlg, BP_NEWPAT);
|
|
|
|
// exclude TEXT("none") pattern
|
|
if( (int)SendDlgItemMessage(hDlg,IDC_PATLIST,LB_GETCURSEL,0,0l) <= 0 )
|
|
{
|
|
HWND epat = GetDlgItem( hDlg, IDC_EDITPAT );
|
|
|
|
if( GetFocus() == epat )
|
|
{
|
|
SendMessage( hDlg, WM_NEXTDLGCTL,
|
|
(WPARAM)GetDlgItem( hDlg, IDC_PATLIST ), (LPARAM)TRUE );
|
|
}
|
|
|
|
EnableWindow( epat, FALSE );
|
|
}
|
|
|
|
/*
|
|
** initialize the tile/center buttons
|
|
*/
|
|
if(GetIntFromReg(HKEY_CURRENT_USER, szRegStr_Desktop, szTileWall, 1))
|
|
CheckRadioButton(hDlg, IDC_CENTER, IDC_TILE, IDC_TILE);
|
|
else
|
|
CheckRadioButton(hDlg, IDC_CENTER, IDC_TILE, IDC_CENTER);
|
|
|
|
/*
|
|
** initialize the wallpaper list
|
|
*/
|
|
hwndList = GetDlgItem(hDlg, IDC_WALLLIST);
|
|
|
|
if (!GetWindowsDirectory(szBuf, ARRAYSIZE(szBuf)))
|
|
{
|
|
szBuf[0] = 0;
|
|
}
|
|
|
|
// override with net home dir on shared copies of windows
|
|
GetStringFromReg(HKEY_LOCAL_MACHINE, szRegStr_Setup, szSharedDir, (LPTSTR)NULL, szBuf, ARRAYSIZE(szBuf));
|
|
AddFilesToLB(hwndList, szBuf, szBMP);
|
|
|
|
GetStringFromReg(HKEY_CURRENT_USER, szRegStr_Desktop, szWallpaper, g_szNone, szBuf, ARRAYSIZE(szBuf));
|
|
|
|
SetNewWallpaper(hDlg, szBuf, ARRAYSIZE(szBuf), TRUE); // will add and select if not in list
|
|
|
|
// and don't forget the 'none' option
|
|
if (SendMessage(hwndList, LB_INSERTSTRING, 0, (LPARAM)(LPTSTR)g_szNone) !=
|
|
LB_ERR)
|
|
{
|
|
int sel = (int)SendMessage(hwndList, LB_GETCURSEL, 0, 0L);
|
|
|
|
if (sel == -1)
|
|
sel = 0;
|
|
|
|
SendMessage(hwndList, LB_SETCURSEL, (WPARAM)sel, 0L);
|
|
if (!sel) {
|
|
EnableWindow( GetDlgItem(hDlg, IDC_TILE), FALSE );
|
|
EnableWindow( GetDlgItem(hDlg, IDC_CENTER), FALSE );
|
|
EnableWindow( GetDlgItem(hDlg, IDC_TXT_DISPLAY), FALSE );
|
|
}
|
|
}
|
|
|
|
// allow people to drag wallpapers to this page
|
|
DragAcceptFiles(hDlg, TRUE);
|
|
}
|
|
|
|
//the intl tools cannot handle embedded nulls in strings
|
|
//hack: use the vertical bar and convert
|
|
void NEAR PASCAL
|
|
ConvertPipesToNull(LPTSTR szFilter)
|
|
{
|
|
while (*szFilter)
|
|
{
|
|
LPTSTR p = CharNext(szFilter);
|
|
|
|
if (*szFilter == TEXT('|'))
|
|
*szFilter = TEXT('\0');
|
|
|
|
szFilter = p;
|
|
}
|
|
}
|
|
|
|
void NEAR PASCAL BrowseForWallpaper(HWND hDlg)
|
|
{
|
|
TCHAR szPath[MAX_PATH];
|
|
static TCHAR szWorkDir[MAX_PATH] = TEXT("");
|
|
OPENFILENAME ofn;
|
|
|
|
TCHAR szTitle[CCH_MAX_STRING];
|
|
TCHAR szFilter[CCH_MAX_STRING];
|
|
|
|
LoadString(hInstance, IDS_BROWSETITLE, szTitle, ARRAYSIZE(szTitle));
|
|
if (LoadString(hInstance, IDS_BROWSEFILTER, szFilter, ARRAYSIZE(szFilter)))
|
|
ConvertPipesToNull(szFilter);
|
|
|
|
|
|
if (!PathOnly(szWorkDir))
|
|
{
|
|
if (!GetWindowsDirectory(szWorkDir, ARRAYSIZE(szWorkDir)))
|
|
{
|
|
szWorkDir[0] = 0;
|
|
}
|
|
}
|
|
|
|
szPath[0] = TEXT('\0');
|
|
|
|
ofn.lStructSize = sizeof(ofn);
|
|
ofn.hwndOwner = hDlg;
|
|
ofn.hInstance = NULL;
|
|
ofn.lpstrFilter = szFilter;
|
|
ofn.lpstrCustomFilter = NULL;
|
|
ofn.nFilterIndex = 1;
|
|
ofn.nMaxCustFilter = 0;
|
|
ofn.lpstrFile = szPath;
|
|
ofn.nMaxFile = ARRAYSIZE(szPath);
|
|
ofn.lpstrInitialDir = (szWorkDir[0] ? szWorkDir : NULL);
|
|
ofn.lpstrTitle = szTitle;
|
|
ofn.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST;
|
|
ofn.lpfnHook = NULL;
|
|
ofn.lpstrDefExt = szDefExt;
|
|
ofn.lpstrFileTitle = NULL;
|
|
|
|
if (GetOpenFileName(&ofn) && (lstrcmpi(g_szCurWallpaper, szPath) != 0))
|
|
{
|
|
CharUpper(szPath); // will be nicenamed (best we can do...)
|
|
SetNewWallpaper(hDlg, szPath, ARRAYSIZE(szPath), TRUE);
|
|
}
|
|
|
|
if (!GetCurrentDirectory(ARRAYSIZE(szWorkDir), szWorkDir))
|
|
{
|
|
szWorkDir[0] = 0;
|
|
}
|
|
}
|
|
|
|
void NEAR PASCAL HandleWallpaperDrop(HWND hDlg, HDROP hDrop)
|
|
{
|
|
TCHAR szPath[MAX_PATH];
|
|
|
|
if (DragQueryFile(hDrop, 1, szPath, ARRAYSIZE(szPath)) &&
|
|
(lstrcmpi(g_szCurWallpaper, szPath) != 0))
|
|
{
|
|
int len = lstrlen(szPath);
|
|
|
|
if (len > 4 && !lstrcmpi(szPath+len-4, szDotBMP))
|
|
SetNewWallpaper(hDlg, szPath, ARRAYSIZE(szPath), TRUE);
|
|
}
|
|
|
|
DragFinish(hDrop);
|
|
}
|
|
|
|
|
|
INT_PTR APIENTRY BackgroundDlgProc(HWND hDlg, UINT message , WPARAM wParam, LPARAM lParam)
|
|
{
|
|
NMHDR FAR *lpnm;
|
|
TCHAR szTiled[] = TEXT("0");
|
|
TCHAR szBuf[MAX_PATH];
|
|
TCHAR szBuf2[50];
|
|
int iTemp;
|
|
|
|
switch(message)
|
|
{
|
|
case WM_NOTIFY:
|
|
lpnm = (NMHDR FAR *)lParam;
|
|
switch(lpnm->code)
|
|
{
|
|
case PSN_APPLY: {
|
|
DWORD dwRet = PSNRET_NOERROR;
|
|
if (g_Back_bChanged)
|
|
{
|
|
HCURSOR old = SetCursor( LoadCursor( NULL, IDC_WAIT ) );
|
|
HWND cover;
|
|
|
|
if (!g_bValidBitmap)
|
|
{
|
|
LoadString(hInstance, IDS_BADWALLPAPER, szBuf, ARRAYSIZE(szBuf));
|
|
GetWindowText(GetParent(hDlg), szBuf2, ARRAYSIZE(szBuf2));
|
|
MessageBox(hDlg, szBuf, szBuf2, MB_OK | MB_ICONEXCLAMATION);
|
|
dwRet = PSNRET_INVALID_NOCHANGEPAGE;
|
|
}
|
|
|
|
// do this after whimpering
|
|
cover = CreateCoverWindow( COVER_NOPAINT );
|
|
|
|
// need to write out tile first
|
|
szTiled[0] += (TCHAR)IsDlgButtonChecked(hDlg, IDC_TILE);
|
|
UpdateRegistry(HKEY_CURRENT_USER, szRegStr_Desktop,
|
|
szTileWall, REG_SZ, szTiled, SIZEOF(TCHAR)*(lstrlen(szTiled)+1));
|
|
|
|
if (g_bValidBitmap)
|
|
{
|
|
SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, g_szCurWallpaper,
|
|
SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE);
|
|
}
|
|
|
|
if (GetPrivateProfileString(g_szPatterns, g_szCurPattern, g_szNULL, szBuf, ARRAYSIZE(szBuf), g_szControlIni))
|
|
{
|
|
SystemParametersInfo(SPI_SETDESKPATTERN, 0, szBuf,
|
|
SPIF_UPDATEINIFILE | SPIF_SENDWININICHANGE);
|
|
}
|
|
|
|
// we're back to no changes
|
|
g_Back_bChanged = FALSE;
|
|
|
|
if( cover )
|
|
PostMessage( cover, WM_CLOSE, 0, 0L );
|
|
|
|
SetCursor( old );
|
|
}
|
|
SetWindowLongPtr(hDlg, DWLP_MSGRESULT, dwRet );
|
|
return TRUE;
|
|
}
|
|
|
|
case PSN_RESET:
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case WM_INITDIALOG:
|
|
g_Back_bInit = TRUE;
|
|
InitBackgroundDialog(hDlg);
|
|
g_Back_bInit = FALSE; // no longer initializing
|
|
break;
|
|
|
|
case WM_SYSCOLORCHANGE:
|
|
case WM_DISPLAYCHANGE:
|
|
g_Back_bInit = TRUE; // fake init so we don't do PSM_CHANGED
|
|
UpdatePreview(hDlg, BP_REINIT | BP_NEWPAT );
|
|
g_Back_bInit = FALSE;
|
|
break;
|
|
|
|
case WM_DESTROY:
|
|
{
|
|
int count = (int)SendDlgItemMessage(hDlg, IDC_WALLLIST,
|
|
LB_GETCOUNT, 0, 0L);
|
|
|
|
while (count--)
|
|
{
|
|
LPTSTR sz = (LPTSTR)SendDlgItemMessage(hDlg, IDC_WALLLIST,
|
|
LB_GETITEMDATA, count, 0L);
|
|
|
|
if (sz)
|
|
LocalFree ((HANDLE)sz);
|
|
}
|
|
break;
|
|
}
|
|
|
|
|
|
case WM_HELP:
|
|
WinHelp((HWND) ((LPHELPINFO) lParam)->hItemHandle, TEXT("display.hlp"),
|
|
HELP_WM_HELP, (DWORD_PTR) (LPTSTR) aBckgrndHelpIds);
|
|
return TRUE;
|
|
|
|
case WM_CONTEXTMENU: // right mouse click
|
|
WinHelp((HWND) wParam, TEXT("display.hlp"), HELP_CONTEXTMENU,
|
|
(DWORD_PTR) (LPTSTR) aBckgrndHelpIds);
|
|
return TRUE;
|
|
|
|
case WM_DROPFILES:
|
|
HandleWallpaperDrop(hDlg, (HDROP)wParam);
|
|
return TRUE;
|
|
|
|
case WM_QUERYNEWPALETTE:
|
|
case WM_PALETTECHANGED:
|
|
SendDlgItemMessage(hDlg, IDC_BACKPREV, message, wParam, lParam);
|
|
return TRUE;
|
|
|
|
case WM_COMMAND:
|
|
switch(LOWORD(wParam))
|
|
{
|
|
case IDC_PATLIST:
|
|
if(HIWORD(wParam) == LBN_SELCHANGE)
|
|
{
|
|
iTemp = (int)SendDlgItemMessage(hDlg,IDC_PATLIST,
|
|
LB_GETCURSEL,0,0l);
|
|
if(iTemp >= 0)
|
|
{
|
|
SendDlgItemMessage(hDlg, IDC_PATLIST, LB_GETTEXT,
|
|
iTemp, (LPARAM)(LPTSTR)szBuf);
|
|
|
|
if (lstrcmpi(szBuf, g_szCurPattern) == 0)
|
|
break;
|
|
|
|
StringCchCopy(g_szCurPattern, ARRAYSIZE(g_szCurPattern), szBuf);
|
|
UpdatePreview(hDlg, BP_NEWPAT);
|
|
}
|
|
|
|
EnableWindow( GetDlgItem( hDlg, IDC_EDITPAT ),
|
|
( iTemp > 0 ) ); // exclude "none" pattern
|
|
}
|
|
break;
|
|
|
|
case IDC_WALLLIST:
|
|
if(HIWORD(wParam) == LBN_SELCHANGE)
|
|
{
|
|
LPTSTR pBuf = NULL;
|
|
|
|
iTemp = (int)SendDlgItemMessage(hDlg,IDC_WALLLIST,
|
|
LB_GETCURSEL,0,0l);
|
|
|
|
if(iTemp >= 0)
|
|
{
|
|
pBuf = (LPTSTR)SendDlgItemMessage(hDlg,
|
|
IDC_WALLLIST, LB_GETITEMDATA, iTemp, 0L);
|
|
}
|
|
|
|
SetNewWallpaper(hDlg, pBuf, pBuf ? MAX_PATH : 0, FALSE);
|
|
}
|
|
break;
|
|
|
|
case IDC_CENTER:
|
|
case IDC_TILE:
|
|
if ((HIWORD(wParam) == BN_CLICKED) &&
|
|
(!IsDlgButtonChecked(hDlg, LOWORD(wParam))))
|
|
{
|
|
CheckRadioButton(hDlg, IDC_CENTER, IDC_TILE, LOWORD(wParam));
|
|
UpdatePreview(hDlg, 0);
|
|
}
|
|
break;
|
|
|
|
case IDC_BROWSEWALL:
|
|
BrowseForWallpaper(hDlg);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
return FALSE;
|
|
}
|