base/applications/charmap/settings.c

   1 /*
   2  * PROJECT:     ReactOS Character Map
   3  * LICENSE:     GPL - See COPYING in the top level directory
   4  * FILE:        base/applications/charmap/settings.c
   5  * PURPOSE:     save/load settings
   6  * COPYRIGHT:   Copyright 2012 Edijs Kolesnikovics <terminedijs@yahoo.com>
   7  *
   8  */
   9
  10 #include <precomp.h>
  11
  12
  13 const TCHAR g_szGeneralRegKey[] = _T("Software\\Microsoft\\CharMap");
  14 HWND hWnd;
  15
  16 LONG QueryStringValue(HKEY hKey, LPCTSTR lpSubKey, LPCTSTR lpValueName, LPTSTR pszBuffer, DWORD dwBufferLen)
  17 {
  18     LONG lResult;
  19     HKEY hSubKey = NULL;
  20     DWORD cbData, dwType;
  21
  22     if (lpSubKey)
  23     {
  24         lResult = RegOpenKey(hKey, lpSubKey, &hSubKey);
  25         if (lResult != ERROR_SUCCESS)
  26             goto done;
  27         hKey = hSubKey;
  28     }
  29
  30     cbData = (dwBufferLen - 1) * sizeof(*pszBuffer);
  31     lResult = RegQueryValueEx(hKey, lpValueName, NULL, &dwType, (LPBYTE) pszBuffer, &cbData);
  32     if (lResult != ERROR_SUCCESS)
  33         goto done;
  34     if (dwType != REG_SZ)
  35     {
  36         lResult = -1;
  37         goto done;
  38     }
  39
  40     pszBuffer[cbData / sizeof(*pszBuffer)] = _T('\0');
  41
  42 done:
  43     if (lResult != ERROR_SUCCESS)
  44         pszBuffer[0] = _T('\0');
  45     if (hSubKey)
  46         RegCloseKey(hSubKey);
  47     return lResult;
  48 }
  49
  50 extern void LoadSettings(void)
  51 {
  52     HKEY hKey = NULL;
  53     int iItemIndex = -1;
  54
  55     if (RegOpenKeyEx(HKEY_CURRENT_USER, g_szGeneralRegKey, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
  56     {
  57         TCHAR szBuffer[MAX_PATH];
  58         DWORD dwAdvanChecked;
  59         unsigned long type = REG_DWORD, size = 1024;
  60
  61         /* Restore last selected font */
  62         if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, _T("Font"), szBuffer, (sizeof(szBuffer)/sizeof(szBuffer[0]))) == ERROR_SUCCESS)
  63         {
  64             //Get combobox handle
  65             hWnd = GetDlgItem(hCharmapDlg, IDC_FONTCOMBO);
  66
  67             //Search for match and return index if match found
  68             iItemIndex = ComboBox_FindStringExact(hWnd, -1, szBuffer);
  69             if(iItemIndex != CB_ERR)
  70             {
  71                 ComboBox_SetCurSel(hWnd, iItemIndex);
  72                 ChangeMapFont(hCharmapDlg);
  73             }
  74         }
  75
  76         /* Restore last selected character set */
  77         if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, _T("CodePage"), szBuffer, (sizeof(szBuffer)/sizeof(szBuffer[0]))) == ERROR_SUCCESS)
  78         {
  79             //Get combobox handle
  80             hWnd = GetDlgItem(hCharmapDlg, IDC_COMBO_CHARSET);
  81
  82             iItemIndex = ComboBox_FindStringExact(hWnd, -1, szBuffer);
  83             if(iItemIndex != CB_ERR)
  84             {
  85                 ComboBox_SetCurSel(hWnd, iItemIndex);
  86             }
  87         }
  88
  89         RegQueryValueEx(hKey, _T("Advanced"), NULL, &type, (LPBYTE)&dwAdvanChecked, &size);
  90         if(dwAdvanChecked == TRUE)
  91             SendDlgItemMessage(hCharmapDlg, IDC_CHECK_ADVANCED, BM_CLICK, (dwAdvanChecked ? MF_CHECKED : MF_UNCHECKED), 0);
  92
  93     RegCloseKey(hKey);
  94     }
  95     else
  96     {
  97         /* Default font seems to be Arial */
  98         hWnd = GetDlgItem(hCharmapDlg, IDC_FONTCOMBO);
  99
 100         iItemIndex = ComboBox_FindStringExact(hWnd, -1, _T("Arial"));
 101         if(iItemIndex != CB_ERR)
 102         {
 103             ComboBox_SetCurSel(hWnd, iItemIndex);
 104             ChangeMapFont(hCharmapDlg);
 105         }
 106     }
 107 }
 108
 109 extern void SaveSettings(void)
 110 {
 111     HKEY hKey = NULL;
 112
 113     if (RegCreateKey(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
 114     {
 115         if (RegOpenKeyEx(HKEY_CURRENT_USER, g_szGeneralRegKey, 0, KEY_SET_VALUE, &hKey) == ERROR_SUCCESS)
 116         {
 117             TCHAR szBuffer[MAX_PATH];
 118
 119             hWnd = GetDlgItem(hCharmapDlg, IDC_FONTCOMBO);
 120             ComboBox_GetText(hWnd, szBuffer, MAX_PATH);
 121
 122             if(szBuffer != NULL && *szBuffer != '\0')
 123                 RegSetValueEx(hKey, _T("Font"), 0, REG_SZ, (LPBYTE) szBuffer, (DWORD) MAX_PATH);
 124
 125             hWnd = GetDlgItem(hCharmapDlg, IDC_COMBO_CHARSET);
 126             ComboBox_GetText(hWnd, szBuffer, MAX_PATH);
 127
 128             if(szBuffer != NULL && *szBuffer != '\0')
 129                 RegSetValueEx(hKey, _T("CodePage"), 0, REG_SZ, (LPBYTE) szBuffer, (DWORD) MAX_PATH);
 130
 131             RegSetValueEx(hKey, _T("Advanced"), 0, REG_DWORD, (LPBYTE)&Settings.IsAdvancedView, (DWORD) sizeof(DWORD));
 132
 133             RegCloseKey(hKey);
 134         }
 135     }
 136 }