infinipaint/src/SwitchCWD.cpp

64 lines
2 KiB
C++
Executable file

/*
* InfiniPaint
* Copyright (C) 2025-2026 Yousef Khadadeh
*
* 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 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "SwitchCWD.hpp"
#include <iostream>
#include <filesystem>
#ifdef __APPLE__
#include <CoreFoundation/CFBundle.h>
#elif _WIN32
#include <Shlwapi.h>
#endif
void switch_cwd() {
#ifdef __APPLE__
CFBundleRef mainBundle = CFBundleGetMainBundle();
CFURLRef resourcesURL = CFBundleCopyBundleURL(mainBundle);
CFStringRef str = CFURLCopyFileSystemPath(resourcesURL, kCFURLPOSIXPathStyle);
CFRelease(resourcesURL);
char path[4096];
CFStringGetCString(str, path, 4096, kCFStringEncodingUTF8);
CFRelease(str);
std::string newCWD(path);
#ifdef MACOS_MAKE_BUNDLE
newCWD += "/Contents/Resources";
#endif
std::filesystem::current_path(std::filesystem::path(newCWD));
#elif _WIN32
// https://stackoverflow.com/a/33613252 but UTF-8
constexpr int MAX_PATH_STEP = 2048;
std::string pathStr;
DWORD copied = 0;
do {
pathStr.resize(pathStr.size() + MAX_PATH_STEP);
copied = GetModuleFileName(NULL, pathStr.data(), pathStr.size());
} while(copied >= pathStr.size());
pathStr.resize(copied);
std::filesystem::path exePath(pathStr);
std::filesystem::current_path(exePath.parent_path());
#elif __linux__
std::filesystem::path exePath = std::filesystem::canonical("/proc/self/exe");
std::filesystem::current_path(exePath.parent_path());
#endif
}