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 #include <winreg.h>
  13 #include <windowsx.h>
  14 #include <tchar.h>
  15
  16 const TCHAR g_szGeneralRegKey[] = _T("Software\\Microsoft\\CharMap");
  17 HWND hWnd;
  18
  19 LONG QueryStringValue(HKEY hKey, LPCTSTR lpSubKey, LPCTSTR lpValueName, LPTSTR pszBuffer, DWORD dwBufferLen)
  20 {
  21     LONG lResult;
  22     HKEY hSubKey = NULL;
  23     DWORD cbData, dwType;
  24
  25     if (lpSubKey)
  26     {
  27         lResult = RegOpenKey(hKey, lpSubKey, &hSubKey);
  28         if (lResult != ERROR_SUCCESS)
  29             goto done;
  30         hKey = hSubKey;
  31     }
  32
  33     cbData = (dwBufferLen - 1) * sizeof(*pszBuffer);
  34     lResult = RegQueryValueEx(hKey, lpValueName, NULL, &dwType, (LPBYTE) pszBuffer, &cbData);
  35     if (lResult != ERROR_SUCCESS)
  36         goto done;
  37     if (dwType != REG_SZ)
  38     {
  39         lResult = -1;
  40         goto done;
  41     }
  42
  43     pszBuffer[cbData / sizeof(*pszBuffer)] = _T('\0');
  44
  45 done:
  46     if (lResult != ERROR_SUCCESS)
  47         pszBuffer[0] = _T('\0');
  48     if (hSubKey)
  49         RegCloseKey(hSubKey);
  50     return lResult;
  51 }
  52
  53 extern void LoadSettings(void)
  54 {
  55     HKEY hKey = NULL;
  56     int iItemIndex = -1;
  57
  58     if (RegOpenKeyEx(HKEY_CURRENT_USER, g_szGeneralRegKey, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
  59     {
  60         TCHAR szBuffer[MAX_PATH];
  61         DWORD dwAdvanChecked;
  62         unsigned long type = REG_DWORD, size = 1024;
  63
  64         /* Restore last selected font */
  65         if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, _T("Font"), szBuffer, (sizeof(szBuffer)/sizeof(szBuffer[0]))) == ERROR_SUCCESS)
  66         {
  67             //Get combobox handle
  68             hWnd = GetDlgItem(hCharmapDlg, IDC_FONTCOMBO);
  69
  70             //Search for match and return index if match found
  71             iItemIndex = ComboBox_FindStringExact(hWnd, -1, szBuffer);
  72             if(iItemIndex != CB_ERR)
  73             {
  74                 ComboBox_SetCurSel(hWnd, iItemIndex);
  75                 ChangeMapFont(hCharmapDlg);
  76             }
  77         }
  78
  79         /* Restore last selected character set */
  80         if (QueryStringValue(HKEY_CURRENT_USER, g_szGeneralRegKey, _T("CodePage"), szBuffer, (sizeof(szBuffer)/sizeof(szBuffer[0]))) == ERROR_SUCCESS)
  81         {
  82             //Get combobox handle
  83             hWnd = GetDlgItem(hCharmapDlg, IDC_COMBO_CHARSET);
  84
  85             iItemIndex = ComboBox_FindStringExact(hWnd, -1, szBuffer);
  86             if(iItemIndex != CB_ERR)
  87             {
  88                 ComboBox_SetCurSel(hWnd, iItemIndex);
  89             }
  90         }
  91
  92         RegQueryValueEx(hKey, _T("Advanced"), NULL, &type, (LPBYTE)&dwAdvanChecked, &size);
  93         if(dwAdvanChecked == TRUE)
  94             SendDlgItemMessage(hCharmapDlg, IDC_CHECK_ADVANCED, BM_CLICK, (dwAdvanChecked ? MF_CHECKED : MF_UNCHECKED), 0);
  95
  96     RegCloseKey(hKey);
  97     }
  98     else
  99     {
 100         /* Default font seems to be Arial */
 101         hWnd = GetDlgItem(hCharmapDlg, IDC_FONTCOMBO);
 102
 103         iItemIndex = ComboBox_FindStringExact(hWnd, -1, _T("Arial"));
 104         if(iItemIndex != CB_ERR)
 105         {
 106             ComboBox_SetCurSel(hWnd, iItemIndex);
 107             ChangeMapFont(hCharmapDlg);
 108         }
 109     }
 110 }
 111
 112 extern void SaveSettings(void)
 113 {
 114     HKEY hKey = NULL;
 115
 116     if (RegCreateKey(HKEY_CURRENT_USER, g_szGeneralRegKey, &hKey) == ERROR_SUCCESS)
 117     {
 118         if (RegOpenKeyEx(HKEY_CURRENT_USER, g_szGeneralRegKey, 0, KEY_SET_VALUE, &hKey) == ERROR_SUCCESS)
 119         {
 120             TCHAR szBuffer[MAX_PATH];
 121
 122             hWnd = GetDlgItem(hCharmapDlg, IDC_FONTCOMBO);
 123             ComboBox_GetText(hWnd, szBuffer, MAX_PATH);
 124
 125             if(*szBuffer != '\0')
 126                 RegSetValueEx(hKey, _T("Font"), 0, REG_SZ, (LPBYTE) szBuffer, (DWORD) MAX_PATH);
 127
 128             hWnd = GetDlgItem(hCharmapDlg, IDC_COMBO_CHARSET);
 129             ComboBox_GetText(hWnd, szBuffer, MAX_PATH);
 130
 131             if(*szBuffer != '\0')
 132                 RegSetValueEx(hKey, _T("CodePage"), 0, REG_SZ, (LPBYTE) szBuffer, (DWORD) MAX_PATH);
 133
 134             RegSetValueEx(hKey, _T("Advanced"), 0, REG_DWORD, (LPBYTE)&Settings.IsAdvancedView, (DWORD) sizeof(DWORD));
 135
 136             RegCloseKey(hKey);
 137         }
 138     }
 139 }