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#include "defines.hpp"
#include "debug/Log.hpp"
#include "Compositor.hpp"
#include "config/ConfigManager.hpp"
#include "init/initHelpers.hpp"
#include "debug/HyprCtl.hpp"
#include <cstdio>
#include <hyprutils/string/String.hpp>
#include <print>
using namespace Hyprutils::String;
#include <fcntl.h>
#include <iostream>
#include <iterator>
#include <vector>
#include <stdexcept>
#include <string>
#include <filesystem>
void help() {
std::println("usage: Hyprland [arg [...]].\n");
std::println(R"(Arguments:
--help -h - Show this message again
--config FILE -c FILE - Specify config file to use
--socket NAME - Sets the Wayland socket name (for Wayland socket handover)
--wayland-fd FD - Sets the Wayland socket fd (for Wayland socket handover)
--systeminfo - Prints system infos
--i-am-really-stupid - Omits root user privileges check (why would you do that?)
--version -v - Print this binary's version)");
}
int main(int argc, char** argv) {
if (!getenv("XDG_RUNTIME_DIR"))
throwError("XDG_RUNTIME_DIR is not set!");
// export HYPRLAND_CMD
std::string cmd = argv[0];
for (int i = 1; i < argc; ++i)
cmd += std::string(" ") + argv[i];
setenv("HYPRLAND_CMD", cmd.c_str(), 1);
setenv("XDG_BACKEND", "wayland", 1);
setenv("_JAVA_AWT_WM_NONREPARENTING", "1", 1);
setenv("MOZ_ENABLE_WAYLAND", "1", 1);
// parse some args
std::string configPath;
std::string socketName;
int socketFd = -1;
bool ignoreSudo = false;
std::vector<std::string> args{argv + 1, argv + argc};
for (auto it = args.begin(); it != args.end(); it++) {
if (*it == "--i-am-really-stupid" && !ignoreSudo) {
std::println("[ WARNING ] Running Hyprland with superuser privileges might damage your system");
ignoreSudo = true;
} else if (*it == "--socket") {
if (std::next(it) == args.end()) {
help();
return 1;
}
socketName = *std::next(it);
it++;
} else if (*it == "--wayland-fd") {
if (std::next(it) == args.end()) {
help();
return 1;
}
try {
socketFd = std::stoi(*std::next(it));
// check if socketFd is a valid file descriptor
if (fcntl(socketFd, F_GETFD) == -1)
throw std::exception();
} catch (...) {
std::println(stderr, "[ ERROR ] Invalid Wayland FD!");
help();
return 1;
}
it++;
} else if (*it == "-c" || *it == "--config") {
if (std::next(it) == args.end()) {
help();
return 1;
}
configPath = *std::next(it);
try {
configPath = std::filesystem::canonical(configPath);
if (!std::filesystem::is_regular_file(configPath)) {
throw std::exception();
}
} catch (...) {
std::println(stderr, "[ ERROR ] Config file '{}' doesn't exist!", configPath);
help();
return 1;
}
Debug::log(LOG, "User-specified config location: '{}'", configPath);
it++;
continue;
} else if (*it == "-h" || *it == "--help") {
help();
return 0;
} else if (*it == "-v" || *it == "--version") {
std::println("{}", versionRequest(eHyprCtlOutputFormat::FORMAT_NORMAL, ""));
return 0;
} else if (*it == "--systeminfo") {
std::println("{}", systemInfoRequest(eHyprCtlOutputFormat::FORMAT_NORMAL, ""));
return 0;
} else {
std::println(stderr, "[ ERROR ] Unknown option '{}' !", *it);
help();
return 1;
}
}
if (!ignoreSudo && NInit::isSudo()) {
std::println(stderr,
"[ ERROR ] Hyprland was launched with superuser privileges, but the privileges check is not omitted.\n"
" Hint: Use the --i-am-really-stupid flag to omit that check.");
return 1;
} else if (ignoreSudo && NInit::isSudo()) {
std::println("Superuser privileges check is omitted. I hope you know what you're doing.");
}
if (socketName.empty() ^ (socketFd == -1)) {
std::println(stderr,
"[ ERROR ] Hyprland was launched with only one of --socket and --wayland-fd.\n"
" Hint: Pass both --socket and --wayland-fd to perform Wayland socket handover.");
return 1;
}
std::println("Welcome to Hyprland!");
// let's init the compositor.
// it initializes basic Wayland stuff in the constructor.
try {
g_pCompositor = std::make_unique<CCompositor>();
g_pCompositor->explicitConfigPath = configPath;
} catch (const std::exception& e) {
std::println(stderr, "Hyprland threw in ctor: {}\nCannot continue.", e.what());
return 1;
}
g_pCompositor->initServer(socketName, socketFd);
if (!envEnabled("HYPRLAND_NO_RT"))
NInit::gainRealTime();
Debug::log(LOG, "Hyprland init finished.");
// If all's good to go, start.
g_pCompositor->startCompositor();
g_pCompositor->cleanup();
Debug::log(LOG, "Hyprland has reached the end.");
return EXIT_SUCCESS;
}
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