267 lines
8.7 KiB
C++
267 lines
8.7 KiB
C++
#include "modules/sway/window.hpp"
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#include "util/rewrite_title.hpp"
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#include <gdkmm/pixbuf.h>
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#include <glibmm/fileutils.h>
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#include <glibmm/keyfile.h>
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#include <glibmm/miscutils.h>
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#include <gtkmm/enums.h>
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#include <gtkmm/icontheme.h>
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#include <spdlog/spdlog.h>
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#include <filesystem>
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#include <regex>
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#include <string>
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namespace waybar::modules::sway {
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Window::Window(const std::string& id, const Bar& bar, const Json::Value& config)
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: AIconLabel(config, "window", id, "{title}", 0, true), bar_(bar), windowId_(-1) {
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// Icon size
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if (config_["icon-size"].isUInt()) {
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app_icon_size_ = config["icon-size"].asUInt();
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}
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image_.set_pixel_size(app_icon_size_);
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ipc_.subscribe(R"(["window","workspace"])");
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ipc_.signal_event.connect(sigc::mem_fun(*this, &Window::onEvent));
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ipc_.signal_cmd.connect(sigc::mem_fun(*this, &Window::onCmd));
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// Get Initial focused window
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getTree();
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// Launch worker
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ipc_.setWorker([this] {
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try {
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ipc_.handleEvent();
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} catch (const std::exception& e) {
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spdlog::error("Window: {}", e.what());
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}
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});
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}
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void Window::onEvent(const struct Ipc::ipc_response& res) { getTree(); }
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void Window::onCmd(const struct Ipc::ipc_response& res) {
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try {
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std::lock_guard<std::mutex> lock(mutex_);
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auto payload = parser_.parse(res.payload);
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auto output = payload["output"].isString() ? payload["output"].asString() : "";
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std::tie(app_nb_, windowId_, window_, app_id_, app_class_, shell_) =
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getFocusedNode(payload["nodes"], output);
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updateAppIconName();
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dp.emit();
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} catch (const std::exception& e) {
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spdlog::error("Window: {}", e.what());
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}
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}
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std::optional<std::string> getDesktopFilePath(const std::string& app_id,
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const std::string& app_class) {
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const auto data_dirs = Glib::get_system_data_dirs();
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for (const auto& data_dir : data_dirs) {
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const auto data_app_dir = data_dir + "applications/";
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auto desktop_file_path = data_app_dir + app_id + ".desktop";
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if (std::filesystem::exists(desktop_file_path)) {
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return desktop_file_path;
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}
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if (!app_class.empty()) {
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desktop_file_path = data_app_dir + app_class + ".desktop";
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if (std::filesystem::exists(desktop_file_path)) {
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return desktop_file_path;
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}
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}
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}
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return {};
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}
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std::optional<Glib::ustring> getIconName(const std::string& app_id, const std::string& app_class) {
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const auto desktop_file_path = getDesktopFilePath(app_id, app_class);
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if (!desktop_file_path.has_value()) {
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// Try some heuristics to find a matching icon
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const auto default_icon_theme = Gtk::IconTheme::get_default();
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if (default_icon_theme->has_icon(app_id)) {
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return app_id;
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}
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const auto app_id_desktop = app_id + "-desktop";
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if (default_icon_theme->has_icon(app_id_desktop)) {
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return app_id_desktop;
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}
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const auto to_lower = [](const std::string& str) {
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auto str_cpy = str;
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std::transform(str_cpy.begin(), str_cpy.end(), str_cpy.begin(),
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[](unsigned char c) { return std::tolower(c); });
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return str;
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};
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const auto first_space = app_id.find_first_of(' ');
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if (first_space != std::string::npos) {
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const auto first_word = to_lower(app_id.substr(0, first_space));
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if (default_icon_theme->has_icon(first_word)) {
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return first_word;
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}
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}
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const auto first_dash = app_id.find_first_of('-');
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if (first_dash != std::string::npos) {
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const auto first_word = to_lower(app_id.substr(0, first_dash));
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if (default_icon_theme->has_icon(first_word)) {
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return first_word;
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}
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}
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return {};
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}
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try {
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Glib::KeyFile desktop_file;
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desktop_file.load_from_file(desktop_file_path.value());
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return desktop_file.get_string("Desktop Entry", "Icon");
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} catch (Glib::FileError& error) {
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spdlog::warn("Error while loading desktop file {}: {}", desktop_file_path.value(),
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error.what().c_str());
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} catch (Glib::KeyFileError& error) {
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spdlog::warn("Error while loading desktop file {}: {}", desktop_file_path.value(),
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error.what().c_str());
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}
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return {};
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}
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void Window::updateAppIconName() {
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if (!iconEnabled()) {
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return;
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}
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const auto icon_name = getIconName(app_id_, app_class_);
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if (icon_name.has_value()) {
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app_icon_name_ = icon_name.value();
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} else {
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app_icon_name_ = "";
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}
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update_app_icon_ = true;
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}
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void Window::updateAppIcon() {
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if (update_app_icon_) {
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update_app_icon_ = false;
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if (app_icon_name_.empty()) {
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image_.set_visible(false);
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} else {
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image_.set_from_icon_name(app_icon_name_, Gtk::ICON_SIZE_INVALID);
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image_.set_visible(true);
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}
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}
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}
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auto Window::update() -> void {
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if (!old_app_id_.empty()) {
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bar_.window.get_style_context()->remove_class(old_app_id_);
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}
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if (app_nb_ == 0) {
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bar_.window.get_style_context()->remove_class("solo");
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if (!bar_.window.get_style_context()->has_class("empty")) {
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bar_.window.get_style_context()->add_class("empty");
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}
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} else if (app_nb_ == 1) {
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bar_.window.get_style_context()->remove_class("empty");
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if (!bar_.window.get_style_context()->has_class("solo")) {
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bar_.window.get_style_context()->add_class("solo");
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}
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if (!app_id_.empty() && !bar_.window.get_style_context()->has_class(app_id_)) {
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bar_.window.get_style_context()->add_class(app_id_);
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old_app_id_ = app_id_;
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}
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} else {
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bar_.window.get_style_context()->remove_class("solo");
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bar_.window.get_style_context()->remove_class("empty");
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}
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label_.set_markup(fmt::format(format_, fmt::arg("title", waybar::util::rewriteTitle(window_, config_["rewrite"])),
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fmt::arg("app_id", app_id_), fmt::arg("shell", shell_)));
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if (tooltipEnabled()) {
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label_.set_tooltip_text(window_);
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}
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updateAppIcon();
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// Call parent update
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AIconLabel::update();
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}
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int leafNodesInWorkspace(const Json::Value& node) {
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auto const& nodes = node["nodes"];
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auto const& floating_nodes = node["floating_nodes"];
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if (nodes.empty() && floating_nodes.empty()) {
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if (node["type"] == "workspace")
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return 0;
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else
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return 1;
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}
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int sum = 0;
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if (!nodes.empty()) {
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for (auto const& node : nodes) sum += leafNodesInWorkspace(node);
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}
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if (!floating_nodes.empty()) {
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for (auto const& node : floating_nodes) sum += leafNodesInWorkspace(node);
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}
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return sum;
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}
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std::tuple<std::size_t, int, std::string, std::string, std::string, std::string> gfnWithWorkspace(
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const Json::Value& nodes, std::string& output, const Json::Value& config_, const Bar& bar_,
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Json::Value& parentWorkspace) {
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for (auto const& node : nodes) {
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if (node["output"].isString()) {
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output = node["output"].asString();
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}
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// found node
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if (node["focused"].asBool() && (node["type"] == "con" || node["type"] == "floating_con")) {
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if ((!config_["all-outputs"].asBool() && output == bar_.output->name) ||
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config_["all-outputs"].asBool()) {
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auto app_id = node["app_id"].isString() ? node["app_id"].asString()
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: node["window_properties"]["instance"].asString();
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const auto app_class = node["window_properties"]["class"].isString()
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? node["window_properties"]["class"].asString()
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: "";
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const auto shell = node["shell"].isString() ? node["shell"].asString() : "";
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int nb = node.size();
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if (parentWorkspace != 0) nb = leafNodesInWorkspace(parentWorkspace);
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return {nb, node["id"].asInt(), Glib::Markup::escape_text(node["name"].asString()),
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app_id, app_class, shell};
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}
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}
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// iterate
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if (node["type"] == "workspace") parentWorkspace = node;
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auto [nb, id, name, app_id, app_class, shell] =
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gfnWithWorkspace(node["nodes"], output, config_, bar_, parentWorkspace);
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if (id > -1 && !name.empty()) {
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return {nb, id, name, app_id, app_class, shell};
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}
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// Search for floating node
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std::tie(nb, id, name, app_id, app_class, shell) =
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gfnWithWorkspace(node["floating_nodes"], output, config_, bar_, parentWorkspace);
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if (id > -1 && !name.empty()) {
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return {nb, id, name, app_id, app_class, shell};
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}
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}
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return {0, -1, "", "", "", ""};
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}
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std::tuple<std::size_t, int, std::string, std::string, std::string, std::string>
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Window::getFocusedNode(const Json::Value& nodes, std::string& output) {
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Json::Value placeholder = 0;
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return gfnWithWorkspace(nodes, output, config_, bar_, placeholder);
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}
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void Window::getTree() {
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try {
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ipc_.sendCmd(IPC_GET_TREE);
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} catch (const std::exception& e) {
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spdlog::error("Window: {}", e.what());
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}
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}
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} // namespace waybar::modules::sway
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