reactos/base/applications/mspaint/registry.cpp

   1 /*
   2  * PROJECT:     PAINT for ReactOS
   3  * LICENSE:     LGPL
   4  * FILE:        base/applications/mspaint/registry.cpp
   5  * PURPOSE:     Offering functions dealing with registry values
   6  * PROGRAMMERS: Benedikt Freisen
   7  */
   8
   9 /* INCLUDES *********************************************************/
  10
  11 #include "precomp.h"
  12
  13 #include <winreg.h>
  14
  15 /* FUNCTIONS ********************************************************/
  16 static DWORD ReadDWORD(HKEY hKey, LPCTSTR lpName, DWORD *pdwValue, BOOL bCheckForDef)
  17 {
  18     DWORD dwPrev = *pdwValue;
  19     DWORD cbData = sizeof(DWORD);
  20
  21     if (ERROR_SUCCESS != RegQueryValueEx(hKey, lpName, 0, NULL, (LPBYTE) pdwValue, &cbData))
  22         *pdwValue = dwPrev;
  23
  24     if (bCheckForDef && *pdwValue == 0)
  25         *pdwValue = dwPrev;
  26
  27     return dwPrev;
  28 }
  29
  30 void RegistrySettings::SetWallpaper(TCHAR * FileName, DWORD dwStyle, DWORD dwTile) //FIXME: Has to be called 2x to apply the pattern (tiled/stretched) too
  31 {
  32     HKEY hDesktop;
  33     TCHAR szStyle[3], szTile[3];
  34
  35     SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, (PVOID) FileName, SPIF_UPDATEINIFILE);
  36
  37     if ((dwStyle > 2) || (dwTile > 2))
  38         return;
  39
  40     if (RegOpenKeyEx(HKEY_CURRENT_USER,
  41                      _T("Control Panel\\Desktop"), 0, KEY_READ | KEY_SET_VALUE, &hDesktop) == ERROR_SUCCESS)
  42     {
  43         RegSetValueEx(hDesktop, _T("Wallpaper"), 0, REG_SZ, (LPBYTE) FileName,
  44                       _tcslen(FileName) * sizeof(TCHAR));
  45
  46         _stprintf(szStyle, _T("%lu"), dwStyle);
  47         _stprintf(szTile, _T("%lu"), dwTile);
  48
  49         RegSetValueEx(hDesktop, _T("WallpaperStyle"), 0, REG_SZ, (LPBYTE) szStyle,
  50                       _tcslen(szStyle) * sizeof(TCHAR));
  51         RegSetValueEx(hDesktop, _T("TileWallpaper"), 0, REG_SZ, (LPBYTE) szTile,
  52                       _tcslen(szTile) * sizeof(TCHAR));
  53
  54         RegCloseKey(hDesktop);
  55     }
  56 }
  57
  58 void RegistrySettings::LoadPresets()
  59 {
  60     BMPHeight = 300;
  61     BMPWidth = 400;
  62     GridExtent = 1;
  63     NoStretching = 0;
  64     ShowThumbnail = 0;
  65     SnapToGrid = 0;
  66     ThumbHeight = 100;
  67     ThumbWidth = 120;
  68     ThumbXPos = 180;
  69     ThumbYPos = 200;
  70     UnitSetting = 0;
  71     const WINDOWPLACEMENT DefaultWindowPlacement = {
  72         sizeof(WINDOWPLACEMENT),
  73         0,
  74         SW_SHOWNORMAL,
  75         {0, 0},
  76         {-1, -1},
  77         {100, 100, 700, 550}
  78     };
  79     WindowPlacement = DefaultWindowPlacement;
  80 }
  81
  82 void RegistrySettings::Load()
  83 {
  84     HKEY hView;
  85     LoadPresets();
  86     if (RegOpenKeyEx(HKEY_CURRENT_USER,
  87                      _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\View"),
  88                      0, KEY_READ | KEY_SET_VALUE, &hView) == ERROR_SUCCESS)
  89     {
  90         DWORD cbData;
  91
  92         ReadDWORD(hView, _T("BMPHeight"),     &BMPHeight,     TRUE);
  93         ReadDWORD(hView, _T("BMPWidth"),      &BMPWidth,      TRUE);
  94         ReadDWORD(hView, _T("GridExtent"),    &GridExtent,    FALSE);
  95         ReadDWORD(hView, _T("NoStretching"),  &NoStretching,  FALSE);
  96         ReadDWORD(hView, _T("ShowThumbnail"), &ShowThumbnail, FALSE);
  97         ReadDWORD(hView, _T("SnapToGrid"),    &SnapToGrid,    FALSE);
  98         ReadDWORD(hView, _T("ThumbHeight"),   &ThumbHeight,   TRUE);
  99         ReadDWORD(hView, _T("ThumbWidth"),    &ThumbWidth,    TRUE);
 100         ReadDWORD(hView, _T("ThumbXPos"),     &ThumbXPos,     TRUE);
 101         ReadDWORD(hView, _T("ThumbYPos"),     &ThumbYPos,     TRUE);
 102         ReadDWORD(hView, _T("UnitSetting"),   &UnitSetting,   FALSE);
 103
 104         cbData = sizeof(WINDOWPLACEMENT);
 105         RegQueryValueEx(hView, _T("WindowPlacement"), 0, NULL, (LPBYTE) &WindowPlacement, &cbData);
 106     }
 107
 108     CRegKey hKey;
 109     if (hKey.Open(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\Recent File List"), KEY_READ) == ERROR_SUCCESS)
 110     {
 111         ULONG nChars = MAX_PATH;
 112         LPTSTR pszFile1 = strFile1.GetBuffer(nChars);
 113         hKey.QueryStringValue(_T("File1"), pszFile1, &nChars);
 114         strFile1.ReleaseBuffer();
 115         nChars = MAX_PATH;
 116         LPTSTR pszFile2 = strFile2.GetBuffer(nChars);
 117         hKey.QueryStringValue(_T("File2"), pszFile2, &nChars);
 118         strFile2.ReleaseBuffer();
 119         nChars = MAX_PATH;
 120         LPTSTR pszFile3 = strFile3.GetBuffer(nChars);
 121         hKey.QueryStringValue(_T("File3"), pszFile3, &nChars);
 122         strFile3.ReleaseBuffer();
 123         nChars = MAX_PATH;
 124         LPTSTR pszFile4 = strFile4.GetBuffer(nChars);
 125         hKey.QueryStringValue(_T("File4"), pszFile4, &nChars);
 126         strFile4.ReleaseBuffer();
 127     }
 128 }
 129
 130 void RegistrySettings::Store()
 131 {
 132     HKEY hView;
 133     if (RegCreateKeyEx(HKEY_CURRENT_USER,
 134                        _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\View"),
 135                        0, NULL, 0, KEY_READ | KEY_SET_VALUE, NULL, &hView, NULL) == ERROR_SUCCESS)
 136     {
 137         RegSetValueEx(hView, _T("BMPHeight"), 0, REG_DWORD, (LPBYTE) &BMPHeight, sizeof(DWORD));
 138         RegSetValueEx(hView, _T("BMPWidth"), 0, REG_DWORD, (LPBYTE) &BMPWidth, sizeof(DWORD));
 139         RegSetValueEx(hView, _T("GridExtent"), 0, REG_DWORD, (LPBYTE) &GridExtent, sizeof(DWORD));
 140         RegSetValueEx(hView, _T("NoStretching"), 0, REG_DWORD, (LPBYTE) &NoStretching, sizeof(DWORD));
 141         RegSetValueEx(hView, _T("ShowThumbnail"), 0, REG_DWORD, (LPBYTE) &ShowThumbnail, sizeof(DWORD));
 142         RegSetValueEx(hView, _T("SnapToGrid"), 0, REG_DWORD, (LPBYTE) &SnapToGrid, sizeof(DWORD));
 143         RegSetValueEx(hView, _T("ThumbHeight"), 0, REG_DWORD, (LPBYTE) &ThumbHeight, sizeof(DWORD));
 144         RegSetValueEx(hView, _T("ThumbWidth"), 0, REG_DWORD, (LPBYTE) &ThumbWidth, sizeof(DWORD));
 145         RegSetValueEx(hView, _T("ThumbXPos"), 0, REG_DWORD, (LPBYTE) &ThumbXPos, sizeof(DWORD));
 146         RegSetValueEx(hView, _T("ThumbYPos"), 0, REG_DWORD, (LPBYTE) &ThumbYPos, sizeof(DWORD));
 147         RegSetValueEx(hView, _T("UnitSetting"), 0, REG_DWORD, (LPBYTE) &UnitSetting, sizeof(DWORD));
 148         RegSetValueEx(hView, _T("WindowPlacement"), 0, REG_BINARY, (LPBYTE) &WindowPlacement, sizeof(WINDOWPLACEMENT));
 149     }
 150
 151     CRegKey hKey;
 152     if (hKey.Create(HKEY_CURRENT_USER, _T("Software\\Microsoft\\Windows\\CurrentVersion\\Applets\\Paint\\Recent File List")) == ERROR_SUCCESS)
 153     {
 154         if (!strFile1.IsEmpty())
 155             hKey.SetStringValue(_T("File1"), strFile1);
 156         if (!strFile2.IsEmpty())
 157             hKey.SetStringValue(_T("File2"), strFile2);
 158         if (!strFile3.IsEmpty())
 159             hKey.SetStringValue(_T("File3"), strFile3);
 160         if (!strFile4.IsEmpty())
 161             hKey.SetStringValue(_T("File4"), strFile4);
 162     }
 163 }
 164
 165 void RegistrySettings::SetMostRecentFile(LPCTSTR pszPathName)
 166 {
 167     if (strFile1 == pszPathName)
 168     {
 169         // do nothing
 170     }
 171     else if (strFile2 == pszPathName)
 172     {
 173         CString strTemp = strFile2;
 174         strFile2 = strFile1;
 175         strFile1 = strTemp;
 176     }
 177     else if (strFile3 == pszPathName)
 178     {
 179         CString strTemp = strFile3;
 180         strFile3 = strFile2;
 181         strFile2 = strFile1;
 182         strFile1 = strTemp;
 183     }
 184     else if (strFile4 == pszPathName)
 185     {
 186         CString strTemp = strFile4;
 187         strFile4 = strFile3;
 188         strFile3 = strFile2;
 189         strFile2 = strFile1;
 190         strFile1 = strTemp;
 191     }
 192     else
 193     {
 194         strFile4 = strFile3;
 195         strFile3 = strFile2;
 196         strFile2 = strFile1;
 197         strFile1 = pszPathName;
 198     }
 199 }