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utility.cpp
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// SynchronousAudioRouter
// Copyright (C) 2015 Mackenzie Straight
//
// 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 SynchronousAudioRouter. If not, see <http://www.gnu.org/licenses/>.
#include "stdafx.h"
#include "utility.h"
namespace Sar {
std::string TCHARToUTF8(const TCHAR *ptr)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
return converter.to_bytes(ptr);
}
std::wstring UTF8ToWide(const std::string& str)
{
std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
return converter.from_bytes(str);
}
std::string TCHARToLocal(const TCHAR *ptr)
{
UINT codePage = GetACP();
int len = WideCharToMultiByte(codePage, 0, ptr, -1, 0, 0, 0, 0);
std::string out(len, '\0');
WideCharToMultiByte(codePage, 0, ptr, -1, &out[0], out.size(), 0, 0);
return out;
}
std::wstring LoggingPath()
{
TCHAR path[MAX_PATH];
if (SUCCEEDED(SHGetFolderPath(
nullptr, CSIDL_APPDATA, nullptr, 0, path))) {
PathAppend(path, TEXT("\\SynchronousAudioRouter\\"));
CreateDirectory(path, nullptr);
PathAppend(path, TEXT("\\logs\\"));
CreateDirectory(path, nullptr);
}
return std::wstring(path);
}
std::wstring ConfigurationPath(const std::wstring& name)
{
TCHAR path[MAX_PATH] = { 0 };
if (SUCCEEDED(SHGetFolderPath(
nullptr, CSIDL_APPDATA, nullptr, 0, path))) {
PathAppend(path, TEXT("\\SynchronousAudioRouter\\"));
CreateDirectory(path, nullptr);
PathAppend(path, name.c_str());
}
return std::wstring(path);
}
static std::wstring getProductName(const std::wstring& wpath)
{
auto verLength = GetFileVersionInfoSize(wpath.c_str(), nullptr);
if (!verLength) {
return L"";
}
auto buffer = malloc(verLength);
if (!GetFileVersionInfo(wpath.c_str(), 0, verLength, buffer)) {
free(buffer);
return L"";
}
struct LANGANDCODEPAGE
{
WORD language;
WORD codePage;
} *translations;
UINT translationsLength, nameLength;
WCHAR subBlockName[50];
WCHAR *neutralSubBlock = L"\\StringFileInfo\\00000000\\FileDescription";
WCHAR *name;
if (!VerQueryValue(buffer, L"\\VarFileInfo\\Translation",
(void **)&translations, &translationsLength)) {
free(buffer);
return L"";
}
if (translationsLength < sizeof(LANGANDCODEPAGE)) {
free(buffer);
return L"";
}
// TODO: try current locale/codepage
if (!VerQueryValue(buffer, neutralSubBlock, (void **)&name, &nameLength)) {
_snwprintf_s(subBlockName, _TRUNCATE,
L"\\StringFileInfo\\%04x%04x\\FileDescription",
translations[0].language, translations[0].codePage);
if (!VerQueryValue(buffer, subBlockName, (void **)&name, &nameLength)) {
free(buffer);
return L"";
}
}
std::wstring result = name;
free(buffer);
return result;
}
std::vector<RunningApplication> RunningApplications()
{
std::unordered_map<std::wstring, std::vector<std::wstring>> processMap;
using MapType = decltype(processMap);
EnumWindows([](HWND hwnd, LPARAM lparam) {
auto processMapPtr = (MapType *)lparam;
auto owner = GetWindowOwner(hwnd);
auto exstyle = GetWindowLong(hwnd, GWL_EXSTYLE);
if (IsWindowVisible(hwnd) &&
!GetParent(hwnd) &&
(((exstyle & WS_EX_TOOLWINDOW) == 0 && !owner) ||
((exstyle & WS_EX_APPWINDOW) && owner))) {
DWORD pid;
GetWindowThreadProcessId(hwnd, &pid);
HANDLE hprocess = OpenProcess(
PROCESS_QUERY_INFORMATION | PROCESS_VM_READ, FALSE, pid);
WCHAR path[MAX_PATH], name[MAX_PATH];
if (!hprocess) {
return TRUE;
}
if (GetModuleFileNameEx(hprocess, nullptr, path, MAX_PATH) &&
GetWindowText(hwnd, name, MAX_PATH)) {
(*processMapPtr)[std::wstring(path)].emplace_back(
std::wstring(name));
}
CloseHandle(hprocess);
}
return TRUE;
}, (LPARAM)&processMap);
std::vector<RunningApplication> result;
for (auto& kv : processMap) {
RunningApplication app;
std::wstring productName = getProductName(kv.first);
app.path = kv.first;
app.name = productName.size() > 0 ? productName : kv.second[0];
result.push_back(app);
}
return result;
}
} // namespace Sar