reactos/rosapps/calc/settings.c
Robert Dickenson 74571d0428 Added save and restore of calculator mode using registry.
svn path=/trunk/; revision=3240
2002-07-16 21:54:17 +00:00

96 lines
2.9 KiB
C

/*
* ReactOS calc
*
* settings.c
*
* Copyright (C) 2002 Robert Dickenson <robd@reactos.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
#include <windows.h>
#include <tchar.h>
#include "main.h"
#include "settings.h"
BOOL CheckResult(LONG error)
{
if (error != ERROR_SUCCESS) {
PTSTR msg;
if (FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
0, error, MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT), (PTSTR)&msg, 0, NULL))
MessageBox(NULL, msg, szTitle, MB_ICONERROR | MB_OK);
else
MessageBox(NULL, _T("Error"), szTitle, MB_ICONERROR | MB_OK);
LocalFree(msg);
return FALSE;
}
return TRUE;
}
void LoadSettings(void)
{
HKEY hKey;
DWORD dwSize;
LONG result;
char szSubKey[] = "Software\\ReactWare\\Calculator";
// Open the key
result = RegOpenKeyEx(HKEY_CURRENT_USER, szSubKey, 0, KEY_READ, &hKey);
if (!CheckResult(result)) return;
// Read the settings
dwSize = sizeof(CALC_TYPES);
result = RegQueryValueEx(hKey, _T("Preferences"), NULL, NULL, (LPBYTE)&CalcType, &dwSize);
if (!CheckResult(result)) goto abort;
abort:
// Close the key
RegCloseKey(hKey);
}
void SaveSettings(void)
{
HKEY hKey;
LONG result;
char szSubKey1[] = "Software";
char szSubKey2[] = "Software\\ReactWare";
char szSubKey3[] = "Software\\ReactWare\\Calculator";
// Open (or create) the key
hKey = NULL;
result = RegCreateKeyEx(HKEY_CURRENT_USER, szSubKey1, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
if (!CheckResult(result)) return;
RegCloseKey(hKey);
hKey = NULL;
result = RegCreateKeyEx(HKEY_CURRENT_USER, szSubKey2, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
if (!CheckResult(result)) return;
RegCloseKey(hKey);
hKey = NULL;
result = RegCreateKeyEx(HKEY_CURRENT_USER, szSubKey3, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
if (!CheckResult(result)) return;
// Save the settings
result = RegSetValueEx(hKey, _T("Preferences"), 0, REG_DWORD, (LPBYTE)&CalcType, sizeof(CALC_TYPES));
if (!CheckResult(result)) goto abort;
abort:
// Close the key
RegCloseKey(hKey);
}