reactos/base/applications/mspaint/registry.cpp
2019-04-28 21:19:42 +02:00

179 lines
5.8 KiB
C++

/*
* PROJECT: PAINT for ReactOS
* LICENSE: LGPL
* FILE: base/applications/mspaint/registry.cpp
* PURPOSE: Offering functions dealing with registry values
* PROGRAMMERS: Benedikt Freisen
*/
/* INCLUDES *********************************************************/
#include "precomp.h"
#include <winreg.h>
/* FUNCTIONS ********************************************************/
static DWORD ReadDWORD(CRegKey &key, LPCTSTR lpName, DWORD &dwValue, BOOL bCheckForDef)
{
DWORD dwPrev = dwValue;
if (key.QueryDWORDValue(lpName, dwValue) != ERROR_SUCCESS)
dwValue = dwPrev;
if (bCheckForDef && dwValue == 0)
dwValue = dwPrev;
return dwPrev;
}
static void ReadFileHistory(CRegKey &key, LPCTSTR lpName, CString &strFile)
{
ULONG nChars = MAX_PATH;
LPTSTR szFile = strFile.GetBuffer(nChars);
if (key.QueryStringValue(lpName, szFile, &nChars) != ERROR_SUCCESS)
szFile[0] = '\0';
strFile.ReleaseBuffer();
}
void RegistrySettings::SetWallpaper(LPCTSTR szFileName, RegistrySettings::WallpaperStyle style)
{
CRegKey desktop;
if (desktop.Open(HKEY_CURRENT_USER, _T("Control Panel\\Desktop")) == ERROR_SUCCESS)
{
desktop.SetStringValue(_T("Wallpaper"), szFileName);
desktop.SetStringValue(_T("WallpaperStyle"), (style == RegistrySettings::STRETCHED) ? _T("2") : _T("0"));
desktop.SetStringValue(_T("TileWallpaper"), (style == RegistrySettings::TILED) ? _T("1") : _T("0"));
}
SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, (PVOID) szFileName, SPIF_UPDATEINIFILE | SPIF_SENDCHANGE);
}
void RegistrySettings::LoadPresets()
{
BMPHeight = 300;
BMPWidth = 400;
GridExtent = 1;
NoStretching = 0;
ShowThumbnail = 0;
SnapToGrid = 0;
ThumbHeight = 100;
ThumbWidth = 120;
ThumbXPos = 180;
ThumbYPos = 200;
UnitSetting = 0;
const WINDOWPLACEMENT DefaultWindowPlacement = {
sizeof(WINDOWPLACEMENT),
0,
SW_SHOWNORMAL,
{0, 0},
{-1, -1},
{100, 100, 700, 550}
};
WindowPlacement = DefaultWindowPlacement;
}
void RegistrySettings::Load()
{
LoadPresets();
CRegKey view;
if (view.Open(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\View"), KEY_READ) == ERROR_SUCCESS)
{
ReadDWORD(view, _T("BMPHeight"), BMPHeight, TRUE);
ReadDWORD(view, _T("BMPWidth"), BMPWidth, TRUE);
ReadDWORD(view, _T("GridExtent"), GridExtent, FALSE);
ReadDWORD(view, _T("NoStretching"), NoStretching, FALSE);
ReadDWORD(view, _T("ShowThumbnail"), ShowThumbnail, FALSE);
ReadDWORD(view, _T("SnapToGrid"), SnapToGrid, FALSE);
ReadDWORD(view, _T("ThumbHeight"), ThumbHeight, TRUE);
ReadDWORD(view, _T("ThumbWidth"), ThumbWidth, TRUE);
ReadDWORD(view, _T("ThumbXPos"), ThumbXPos, TRUE);
ReadDWORD(view, _T("ThumbYPos"), ThumbYPos, TRUE);
ReadDWORD(view, _T("UnitSetting"), UnitSetting, FALSE);
ULONG pnBytes = sizeof(WINDOWPLACEMENT);
view.QueryBinaryValue(_T("WindowPlacement"), &WindowPlacement, &pnBytes);
}
CRegKey files;
if (files.Open(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\Recent File List"), KEY_READ) == ERROR_SUCCESS)
{
ReadFileHistory(files, _T("File1"), strFile1);
ReadFileHistory(files, _T("File2"), strFile2);
ReadFileHistory(files, _T("File3"), strFile3);
ReadFileHistory(files, _T("File4"), strFile4);
}
}
void RegistrySettings::Store()
{
CRegKey view;
if (view.Create(HKEY_CURRENT_USER,
_T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\View")) == ERROR_SUCCESS)
{
view.SetDWORDValue(_T("BMPHeight"), BMPHeight);
view.SetDWORDValue(_T("BMPWidth"), BMPWidth);
view.SetDWORDValue(_T("GridExtent"), GridExtent);
view.SetDWORDValue(_T("NoStretching"), NoStretching);
view.SetDWORDValue(_T("ShowThumbnail"), ShowThumbnail);
view.SetDWORDValue(_T("SnapToGrid"), SnapToGrid);
view.SetDWORDValue(_T("ThumbHeight"), ThumbHeight);
view.SetDWORDValue(_T("ThumbWidth"), ThumbWidth);
view.SetDWORDValue(_T("ThumbXPos"), ThumbXPos);
view.SetDWORDValue(_T("ThumbYPos"), ThumbYPos);
view.SetDWORDValue(_T("UnitSetting"), UnitSetting);
view.SetBinaryValue(_T("WindowPlacement"), &WindowPlacement, sizeof(WINDOWPLACEMENT));
}
CRegKey files;
if (files.Create(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\Recent File List")) == ERROR_SUCCESS)
{
if (!strFile1.IsEmpty())
files.SetStringValue(_T("File1"), strFile1);
if (!strFile2.IsEmpty())
files.SetStringValue(_T("File2"), strFile2);
if (!strFile3.IsEmpty())
files.SetStringValue(_T("File3"), strFile3);
if (!strFile4.IsEmpty())
files.SetStringValue(_T("File4"), strFile4);
}
}
void RegistrySettings::SetMostRecentFile(LPCTSTR szPathName)
{
if (strFile1 == szPathName)
{
// do nothing
}
else if (strFile2 == szPathName)
{
CString strTemp = strFile2;
strFile2 = strFile1;
strFile1 = strTemp;
}
else if (strFile3 == szPathName)
{
CString strTemp = strFile3;
strFile3 = strFile2;
strFile2 = strFile1;
strFile1 = strTemp;
}
else if (strFile4 == szPathName)
{
CString strTemp = strFile4;
strFile4 = strFile3;
strFile3 = strFile2;
strFile2 = strFile1;
strFile1 = strTemp;
}
else
{
strFile4 = strFile3;
strFile3 = strFile2;
strFile2 = strFile1;
strFile1 = szPathName;
}
}