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livetrax/libs/pbd/windows_special_dirs.cc

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/*
* Copyright (C) 2008 John Emmas <john@creativepost.co.uk>
* Copyright (C) 2014-2015 Robin Gareus <robin@gareus.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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <shlobj.h>
#include <winreg.h>
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#include <glibmm.h>
#include "pbd/windows_special_dirs.h"
std::string
PBD::get_win_special_folder_path (int csidl)
{
wchar_t path[PATH_MAX+1];
HRESULT hr;
LPITEMIDLIST pidl = 0;
char *utf8_folder_path = 0;
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if (S_OK == (hr = SHGetSpecialFolderLocation (0, csidl, &pidl))) {
if (SHGetPathFromIDListW (pidl, path)) {
utf8_folder_path = g_utf16_to_utf8 ((const gunichar2*)path, -1, 0, 0, 0);
}
CoTaskMemFree (pidl);
}
if (utf8_folder_path != NULL) {
std::string folder_path(utf8_folder_path);
g_free (utf8_folder_path);
return folder_path;
}
return std::string();
}
bool
PBD::windows_query_registry (const char *regkey, const char *regval, std::string &rv, HKEY root)
{
HKEY key;
DWORD size = PATH_MAX;
char tmp[PATH_MAX+1];
if (ERROR_SUCCESS == RegOpenKeyExA (root, regkey, 0, KEY_READ, &key)) {
if (ERROR_SUCCESS == RegQueryValueExA (key, regval, 0, NULL, reinterpret_cast<LPBYTE>(tmp), &size)) {
rv = Glib::locale_to_utf8 (tmp);
RegCloseKey (key);
return true;
}
RegCloseKey (key);
}
if (ERROR_SUCCESS == RegOpenKeyExA (root, regkey, 0, KEY_READ | KEY_WOW64_32KEY, &key)) {
if (ERROR_SUCCESS == RegQueryValueExA (key, regval, 0, NULL, reinterpret_cast<LPBYTE>(tmp), &size)) {
rv = Glib::locale_to_utf8 (tmp);
RegCloseKey (key);
return true;
}
RegCloseKey (key);
}
#ifndef _WIN64
// If this is a 32-bit build (but we're running in Win64) the above
// code will only search Win32 registry keys. So if we got this far
// without finding anything, force Windows to search Win64 keys too
if (ERROR_SUCCESS == RegOpenKeyExA (root, regkey, 0, KEY_READ | KEY_WOW64_64KEY, &key)) {
if (ERROR_SUCCESS == RegQueryValueExA (key, regval, 0, NULL, reinterpret_cast<LPBYTE>(tmp), &size)) {
rv = Glib::locale_to_utf8 (tmp);
RegCloseKey (key);
return true;
}
RegCloseKey (key);
}
#endif
return false;
}