mirror of
https://github.com/hyprwm/Hyprland
synced 2024-11-07 22:45:59 +01:00
414 lines
11 KiB
C++
414 lines
11 KiB
C++
#include <ctype.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/socket.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/un.h>
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#include <unistd.h>
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#include <ranges>
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#include <algorithm>
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#include <signal.h>
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#include <format>
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#include <iostream>
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#include <string>
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#include <fstream>
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#include <string>
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#include <vector>
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#include <deque>
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#include <filesystem>
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#include <stdarg.h>
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const std::string USAGE = R"#(usage: hyprctl [(opt)flags] [command] [(opt)args]
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commands:
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activewindow
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activeworkspace
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binds
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clients
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cursorpos
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decorations
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devices
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dismissnotify
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dispatch
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getoption
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globalshortcuts
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hyprpaper
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instances
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keyword
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kill
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layers
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layouts
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monitors
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notify
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plugin
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reload
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setcursor
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seterror
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setprop
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splash
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switchxkblayout
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systeminfo
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version
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workspacerules
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workspaces
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flags:
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-j -> output in JSON
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-r -> refresh state after issuing command (e.g. for updating variables)
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--batch -> execute a batch of commands, separated by ';'
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--instance (-i) -> use a specific instance. Can be either signature or index in hyprctl instances (0, 1, etc)
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)#";
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#define PAD
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std::string instanceSignature;
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struct SInstanceData {
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std::string id;
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uint64_t time;
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uint64_t pid;
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std::string wlSocket;
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bool valid = true;
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};
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std::vector<SInstanceData> instances() {
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std::vector<SInstanceData> result;
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for (const auto& el : std::filesystem::directory_iterator("/tmp/hypr")) {
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if (el.is_directory() || !el.path().string().ends_with(".lock"))
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continue;
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// read lock
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SInstanceData* data = &result.emplace_back();
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data->id = el.path().string();
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data->id = data->id.substr(data->id.find_last_of('/') + 1, data->id.find(".lock") - data->id.find_last_of('/') - 1);
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try {
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data->time = std::stoull(data->id.substr(data->id.find_first_of('_') + 1));
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} catch (std::exception& e) { continue; }
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// read file
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std::ifstream ifs(el.path().string());
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int i = 0;
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for (std::string line; std::getline(ifs, line); ++i) {
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if (i == 0) {
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try {
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data->pid = std::stoull(line);
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} catch (std::exception& e) { continue; }
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} else if (i == 1) {
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data->wlSocket = line;
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} else
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break;
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}
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ifs.close();
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}
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std::erase_if(result, [&](const auto& el) { return kill(el.pid, 0) != 0 && errno == ESRCH; });
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std::sort(result.begin(), result.end(), [&](const auto& a, const auto& b) { return a.time < b.time; });
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return result;
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}
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void request(std::string arg, int minArgs = 0) {
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const auto SERVERSOCKET = socket(AF_UNIX, SOCK_STREAM, 0);
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const auto ARGS = std::count(arg.begin(), arg.end(), ' ');
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if (ARGS < minArgs) {
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std::cout << "Not enough arguments, expected at least " << minArgs;
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return;
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}
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if (SERVERSOCKET < 0) {
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std::cout << "Couldn't open a socket (1)";
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return;
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}
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if (instanceSignature.empty()) {
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std::cout << "HYPRLAND_INSTANCE_SIGNATURE was not set! (Is Hyprland running?)";
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return;
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}
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sockaddr_un serverAddress = {0};
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serverAddress.sun_family = AF_UNIX;
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std::string socketPath = "/tmp/hypr/" + instanceSignature + "/.socket.sock";
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strncpy(serverAddress.sun_path, socketPath.c_str(), sizeof(serverAddress.sun_path) - 1);
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if (connect(SERVERSOCKET, (sockaddr*)&serverAddress, SUN_LEN(&serverAddress)) < 0) {
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std::cout << "Couldn't connect to " << socketPath << ". (3)";
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return;
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}
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auto sizeWritten = write(SERVERSOCKET, arg.c_str(), arg.length());
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if (sizeWritten < 0) {
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std::cout << "Couldn't write (4)";
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return;
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}
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std::string reply = "";
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char buffer[8192] = {0};
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sizeWritten = read(SERVERSOCKET, buffer, 8192);
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if (sizeWritten < 0) {
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std::cout << "Couldn't read (5)";
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return;
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}
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reply += std::string(buffer, sizeWritten);
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while (sizeWritten == 8192) {
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sizeWritten = read(SERVERSOCKET, buffer, 8192);
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if (sizeWritten < 0) {
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std::cout << "Couldn't read (5)";
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return;
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}
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reply += std::string(buffer, sizeWritten);
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}
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close(SERVERSOCKET);
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std::cout << reply;
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}
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void requestHyprpaper(std::string arg) {
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const auto SERVERSOCKET = socket(AF_UNIX, SOCK_STREAM, 0);
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if (SERVERSOCKET < 0) {
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std::cout << "Couldn't open a socket (1)";
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return;
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}
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if (instanceSignature.empty()) {
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std::cout << "HYPRLAND_INSTANCE_SIGNATURE was not set! (Is Hyprland running?)";
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return;
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}
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sockaddr_un serverAddress = {0};
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serverAddress.sun_family = AF_UNIX;
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std::string socketPath = "/tmp/hypr/" + instanceSignature + "/.hyprpaper.sock";
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strncpy(serverAddress.sun_path, socketPath.c_str(), sizeof(serverAddress.sun_path) - 1);
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if (connect(SERVERSOCKET, (sockaddr*)&serverAddress, SUN_LEN(&serverAddress)) < 0) {
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std::cout << "Couldn't connect to " << socketPath << ". (3)";
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return;
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}
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arg = arg.substr(arg.find_first_of('/') + 1); // strip flags
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arg = arg.substr(arg.find_first_of(' ') + 1); // strip "hyprpaper"
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auto sizeWritten = write(SERVERSOCKET, arg.c_str(), arg.length());
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if (sizeWritten < 0) {
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std::cout << "Couldn't write (4)";
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return;
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}
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char buffer[8192] = {0};
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sizeWritten = read(SERVERSOCKET, buffer, 8192);
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if (sizeWritten < 0) {
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std::cout << "Couldn't read (5)";
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return;
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}
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close(SERVERSOCKET);
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std::cout << std::string(buffer);
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}
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void batchRequest(std::string arg) {
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std::string rq = "[[BATCH]]" + arg.substr(arg.find_first_of(" ") + 1);
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request(rq);
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}
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void instancesRequest(bool json) {
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std::string result = "";
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// gather instance data
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std::vector<SInstanceData> inst = instances();
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if (!json) {
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for (auto& el : inst) {
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result += std::format("instance {}:\n\ttime: {}\n\tpid: {}\n\twl socket: {}\n\n", el.id, el.time, el.pid, el.wlSocket);
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}
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} else {
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result += '[';
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for (auto& el : inst) {
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result += std::format(R"#(
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{{
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"instance": "{}",
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"time": {},
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"pid": {},
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"wl_socket": "{}"
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}},)#",
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el.id, el.time, el.pid, el.wlSocket);
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}
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result.pop_back();
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result += "\n]";
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}
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std::cout << result << "\n";
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}
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std::deque<std::string> splitArgs(int argc, char** argv) {
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std::deque<std::string> result;
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for (auto i = 1 /* skip the executable */; i < argc; ++i)
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result.push_back(std::string(argv[i]));
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return result;
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}
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bool isNumber(const std::string& str, bool allowfloat) {
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if (str.empty())
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return false;
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return std::ranges::all_of(str.begin(), str.end(), [&](char c) { return isdigit(c) != 0 || c == '-' || (allowfloat && c == '.'); });
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}
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int main(int argc, char** argv) {
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bool parseArgs = true;
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if (argc < 2) {
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printf("%s\n", USAGE.c_str());
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return 1;
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}
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std::string fullRequest = "";
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std::string fullArgs = "";
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const auto ARGS = splitArgs(argc, argv);
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bool json = false;
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std::string overrideInstance = "";
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for (std::size_t i = 0; i < ARGS.size(); ++i) {
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if (ARGS[i] == "--") {
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// Stop parsing arguments after --
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parseArgs = false;
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continue;
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}
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if (parseArgs && (ARGS[i][0] == '-') && !isNumber(ARGS[i], true) /* For stuff like -2 */) {
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// parse
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if (ARGS[i] == "-j" && !fullArgs.contains("j")) {
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fullArgs += "j";
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json = true;
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} else if (ARGS[i] == "-r" && !fullArgs.contains("r")) {
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fullArgs += "r";
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} else if (ARGS[i] == "--batch") {
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fullRequest = "--batch ";
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} else if (ARGS[i] == "--instance" || ARGS[i] == "-i") {
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++i;
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if (i >= ARGS.size()) {
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printf("%s\n", USAGE.c_str());
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return 1;
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}
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overrideInstance = ARGS[i];
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} else {
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printf("%s\n", USAGE.c_str());
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return 1;
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}
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continue;
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}
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fullRequest += ARGS[i] + " ";
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}
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if (fullRequest.empty()) {
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printf("%s\n", USAGE.c_str());
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return 1;
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}
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fullRequest.pop_back(); // remove trailing space
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fullRequest = fullArgs + "/" + fullRequest;
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// instances is HIS-independent
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if (fullRequest.contains("/instances")) {
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instancesRequest(json);
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return 0;
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}
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if (overrideInstance.contains("_"))
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instanceSignature = overrideInstance;
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else if (!overrideInstance.empty()) {
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if (!isNumber(overrideInstance, false)) {
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std::cout << "instance invalid\n";
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return 1;
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}
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const auto INSTANCENO = std::stoi(overrideInstance);
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const auto INSTANCES = instances();
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if (INSTANCENO < 0 || static_cast<std::size_t>(INSTANCENO) >= INSTANCES.size()) {
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std::cout << "no such instance\n";
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return 1;
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}
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instanceSignature = INSTANCES[INSTANCENO].id;
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} else {
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const auto ISIG = getenv("HYPRLAND_INSTANCE_SIGNATURE");
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if (!ISIG) {
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std::cout << "HYPRLAND_INSTANCE_SIGNATURE not set! (is hyprland running?)\n";
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return 1;
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}
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instanceSignature = ISIG;
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}
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int exitStatus = 0;
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if (fullRequest.contains("/--batch"))
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batchRequest(fullRequest);
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else if (fullRequest.contains("/hyprpaper"))
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requestHyprpaper(fullRequest);
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else if (fullRequest.contains("/switchxkblayout"))
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request(fullRequest, 2);
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else if (fullRequest.contains("/seterror"))
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request(fullRequest, 1);
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else if (fullRequest.contains("/setprop"))
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request(fullRequest, 3);
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else if (fullRequest.contains("/plugin"))
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request(fullRequest, 1);
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else if (fullRequest.contains("/dismissnotify"))
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request(fullRequest, 0);
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else if (fullRequest.contains("/notify"))
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request(fullRequest, 2);
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else if (fullRequest.contains("/output"))
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request(fullRequest, 2);
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else if (fullRequest.contains("/setcursor"))
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request(fullRequest, 1);
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else if (fullRequest.contains("/dispatch"))
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request(fullRequest, 1);
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else if (fullRequest.contains("/keyword"))
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request(fullRequest, 2);
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else if (fullRequest.contains("/decorations"))
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request(fullRequest, 1);
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else if (fullRequest.contains("/--help"))
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printf("%s", USAGE.c_str());
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else {
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request(fullRequest);
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}
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printf("\n");
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return exitStatus;
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}
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