mirror of
https://github.com/reactos/reactos.git
synced 2024-11-02 12:53:33 +00:00
116 lines
3.4 KiB
C
116 lines
3.4 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 <assert.h>
|
|
#define ASSERT assert
|
|
|
|
#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;
|
|
}
|
|
|
|
static BOOL CreateRegistryPath(LPTSTR szRegPath, int nMaxLen)
|
|
{
|
|
LPTSTR pRegPath = szRegPath;
|
|
|
|
// Initialise registry path string from application PATH and KEY resources
|
|
int nLength = LoadString(hInst, IDS_APP_REG_PATH, szRegPath, nMaxLen);
|
|
nLength += LoadString(hInst, IDS_APP_REG_KEY, szRegPath + nLength, nMaxLen - nLength);
|
|
ASSERT(nLength < (nMaxLen - 1));
|
|
szRegPath[nLength] = _T('\\');
|
|
|
|
// walk the registry path string creating the tree if required
|
|
while ((pRegPath = _tcschr(pRegPath, _T('\\')))) {
|
|
LONG result;
|
|
HKEY hKey = NULL;
|
|
*pRegPath = _T('\0');
|
|
// Open (or create) the key
|
|
result = RegCreateKeyEx(HKEY_CURRENT_USER, szRegPath, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
|
|
if (!CheckResult(result)) return FALSE;
|
|
RegCloseKey(hKey);
|
|
*pRegPath = _T('\\');
|
|
pRegPath = pRegPath + 1;
|
|
}
|
|
szRegPath[nLength] = _T('\0');
|
|
return TRUE;
|
|
}
|
|
|
|
void LoadSettings(void)
|
|
{
|
|
TCHAR szRegPath[MAX_LOADSTRING];
|
|
|
|
HKEY hKey;
|
|
DWORD dwSize;
|
|
LONG result;
|
|
|
|
if (!CreateRegistryPath(szRegPath, MAX_LOADSTRING)) return;
|
|
|
|
// Open the key
|
|
result = RegOpenKeyEx(HKEY_CURRENT_USER, szRegPath, 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);
|
|
|
|
// Close the key
|
|
RegCloseKey(hKey);
|
|
}
|
|
|
|
void SaveSettings(void)
|
|
{
|
|
TCHAR szRegPath[MAX_LOADSTRING];
|
|
HKEY hKey = NULL;
|
|
LONG result;
|
|
|
|
if (!CreateRegistryPath(szRegPath, MAX_LOADSTRING)) return;
|
|
|
|
// Open the key
|
|
result = RegOpenKeyEx(HKEY_CURRENT_USER, szRegPath, 0, KEY_WRITE, &hKey);
|
|
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);
|
|
}
|