mirror of
https://github.com/rad4day/Waybar.git
synced 2023-12-21 10:22:59 +01:00
285 lines
10 KiB
C++
285 lines
10 KiB
C++
#include "client.hpp"
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#include <fstream>
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#include <iostream>
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#include <spdlog/spdlog.h>
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#include "util/clara.hpp"
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#include "util/json.hpp"
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waybar::Client *waybar::Client::inst() {
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static auto c = new Client();
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return c;
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}
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const std::string waybar::Client::getValidPath(const std::vector<std::string> &paths) {
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wordexp_t p;
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for (const std::string &path : paths) {
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if (wordexp(path.c_str(), &p, 0) == 0) {
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if (access(*p.we_wordv, F_OK) == 0) {
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std::string result = *p.we_wordv;
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wordfree(&p);
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return result;
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}
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wordfree(&p);
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}
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}
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return std::string();
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}
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void waybar::Client::handleGlobal(void *data, struct wl_registry *registry, uint32_t name,
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const char *interface, uint32_t version) {
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auto client = static_cast<Client *>(data);
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if (strcmp(interface, zwlr_layer_shell_v1_interface.name) == 0) {
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client->layer_shell = static_cast<struct zwlr_layer_shell_v1 *>(
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wl_registry_bind(registry, name, &zwlr_layer_shell_v1_interface, version));
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} else if (strcmp(interface, wl_output_interface.name) == 0) {
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auto wl_output = static_cast<struct wl_output *>(
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wl_registry_bind(registry, name, &wl_output_interface, version));
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client->outputs_.emplace_back(new struct waybar_output({wl_output, "", name, nullptr}));
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client->handleOutput(client->outputs_.back());
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} else if (strcmp(interface, zxdg_output_manager_v1_interface.name) == 0 &&
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version >= ZXDG_OUTPUT_V1_NAME_SINCE_VERSION) {
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client->xdg_output_manager = static_cast<struct zxdg_output_manager_v1 *>(wl_registry_bind(
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registry, name, &zxdg_output_manager_v1_interface, ZXDG_OUTPUT_V1_NAME_SINCE_VERSION));
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} else if (strcmp(interface, zwp_idle_inhibit_manager_v1_interface.name) == 0) {
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client->idle_inhibit_manager = static_cast<struct zwp_idle_inhibit_manager_v1 *>(
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wl_registry_bind(registry, name, &zwp_idle_inhibit_manager_v1_interface, 1));
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}
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}
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void waybar::Client::handleGlobalRemove(void * data, struct wl_registry * /*registry*/,
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uint32_t name) {
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auto client = static_cast<Client *>(data);
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for (auto it = client->bars.begin(); it != client->bars.end();) {
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if ((*it)->output->wl_name == name) {
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auto output_name = (*it)->output->name;
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(*it)->window.close();
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it = client->bars.erase(it);
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spdlog::info("Bar removed from output: {}", output_name);
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} else {
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++it;
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}
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}
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auto it = std::find_if(client->outputs_.begin(),
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client->outputs_.end(),
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[&name](const auto &output) { return output->wl_name == name; });
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if (it != client->outputs_.end()) {
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zxdg_output_v1_destroy((*it)->xdg_output);
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wl_output_destroy((*it)->output);
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client->outputs_.erase(it);
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}
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}
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void waybar::Client::handleOutput(std::unique_ptr<struct waybar_output> &output) {
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static const struct zxdg_output_v1_listener xdgOutputListener = {
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.logical_position = handleLogicalPosition,
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.logical_size = handleLogicalSize,
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.done = handleDone,
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.name = handleName,
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.description = handleDescription,
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};
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output->xdg_output = zxdg_output_manager_v1_get_xdg_output(xdg_output_manager, output->output);
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zxdg_output_v1_add_listener(output->xdg_output, &xdgOutputListener, &output->wl_name);
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}
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void waybar::Client::handleLogicalPosition(void * /*data*/,
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struct zxdg_output_v1 * /*zxdg_output_v1*/,
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int32_t /*x*/, int32_t /*y*/) {
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// Nothing here
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}
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void waybar::Client::handleLogicalSize(void * /*data*/, struct zxdg_output_v1 * /*zxdg_output_v1*/,
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int32_t /*width*/, int32_t /*height*/) {
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// Nothing here
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}
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void waybar::Client::handleDone(void * /*data*/, struct zxdg_output_v1 * /*zxdg_output_v1*/) {
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// Nothing here
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}
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bool waybar::Client::isValidOutput(const Json::Value & config,
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std::unique_ptr<struct waybar_output> &output) {
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bool found = true;
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if (config["output"].isArray()) {
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bool in_array = false;
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for (auto const &output_conf : config["output"]) {
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if (output_conf.isString() && output_conf.asString() == output->name) {
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in_array = true;
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break;
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}
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}
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found = in_array;
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}
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if (config["output"].isString() && config["output"].asString() != output->name) {
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found = false;
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}
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return found;
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}
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std::unique_ptr<struct waybar::waybar_output> &waybar::Client::getOutput(uint32_t wl_name) {
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auto it = std::find_if(outputs_.begin(), outputs_.end(), [&wl_name](const auto &output) {
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return output->wl_name == wl_name;
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});
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if (it == outputs_.end()) {
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throw std::runtime_error("Unable to find valid output");
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}
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return *it;
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}
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std::vector<Json::Value> waybar::Client::getOutputConfigs(
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std::unique_ptr<struct waybar_output> &output) {
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std::vector<Json::Value> configs;
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if (config_.isArray()) {
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for (auto const &config : config_) {
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if (config.isObject() && isValidOutput(config, output)) {
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configs.push_back(config);
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}
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}
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} else if (isValidOutput(config_, output)) {
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configs.push_back(config_);
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}
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return configs;
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}
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void waybar::Client::handleName(void * data, struct zxdg_output_v1 * /*xdg_output*/,
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const char *name) {
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auto wl_name = *static_cast<uint32_t *>(data);
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auto client = waybar::Client::inst();
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try {
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auto &output = client->getOutput(wl_name);
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output->name = name;
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auto configs = client->getOutputConfigs(output);
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if (configs.empty()) {
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wl_output_destroy(output->output);
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zxdg_output_v1_destroy(output->xdg_output);
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} else {
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wl_display_roundtrip(client->wl_display);
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for (const auto &config : configs) {
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client->bars.emplace_back(std::make_unique<Bar>(output.get(), config));
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Glib::RefPtr<Gdk::Screen> screen = client->bars.back()->window.get_screen();
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client->style_context_->add_provider_for_screen(
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screen, client->css_provider_, GTK_STYLE_PROVIDER_PRIORITY_USER);
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}
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}
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} catch (const std::exception &e) {
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std::cerr << e.what() << std::endl;
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}
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}
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void waybar::Client::handleDescription(void * /*data*/, struct zxdg_output_v1 * /*zxdg_output_v1*/,
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const char * /*description*/) {
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// Nothing here
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}
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void waybar::Client::setupConfigs(const std::string &config, const std::string &style) {
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config_file_ = config.empty() ? getValidPath({
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"$XDG_CONFIG_HOME/waybar/config",
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"$HOME/.config/waybar/config",
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"$HOME/waybar/config",
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"/etc/xdg/waybar/config",
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"./resources/config",
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})
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: config;
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css_file_ = style.empty() ? getValidPath({
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"$XDG_CONFIG_HOME/waybar/style.css",
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"$HOME/.config/waybar/style.css",
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"$HOME/waybar/style.css",
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"/etc/xdg/waybar/style.css",
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"./resources/style.css",
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})
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: style;
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if (css_file_.empty() || config_file_.empty()) {
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throw std::runtime_error("Missing required resources files");
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}
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spdlog::info("Resources files: {}, {}", config_file_, css_file_);
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}
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auto waybar::Client::setupConfig() -> void {
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std::ifstream file(config_file_);
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if (!file.is_open()) {
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throw std::runtime_error("Can't open config file");
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}
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std::string str((std::istreambuf_iterator<char>(file)), std::istreambuf_iterator<char>());
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util::JsonParser parser;
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config_ = parser.parse(str);
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}
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auto waybar::Client::setupCss() -> void {
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css_provider_ = Gtk::CssProvider::create();
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style_context_ = Gtk::StyleContext::create();
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// Load our css file, wherever that may be hiding
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if (!css_provider_->load_from_path(css_file_)) {
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throw std::runtime_error("Can't open style file");
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}
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}
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void waybar::Client::bindInterfaces() {
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registry = wl_display_get_registry(wl_display);
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static const struct wl_registry_listener registry_listener = {
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.global = handleGlobal,
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.global_remove = handleGlobalRemove,
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};
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wl_registry_add_listener(registry, ®istry_listener, this);
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wl_display_roundtrip(wl_display);
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if (layer_shell == nullptr || xdg_output_manager == nullptr) {
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throw std::runtime_error("Failed to acquire required resources.");
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}
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}
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int waybar::Client::main(int argc, char *argv[]) {
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gtk_app = Gtk::Application::create(argc, argv, "fr.arouillard.waybar");
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gdk_display = Gdk::Display::get_default();
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if (!gdk_display) {
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throw std::runtime_error("Can't find display");
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}
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if (!GDK_IS_WAYLAND_DISPLAY(gdk_display->gobj())) {
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throw std::runtime_error("Bar need to run under Wayland");
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}
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wl_display = gdk_wayland_display_get_wl_display(gdk_display->gobj());
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bool show_help = false;
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bool show_version = false;
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std::string config;
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std::string style;
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std::string bar_id;
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std::string log_level;
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auto cli = clara::detail::Help(show_help) |
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clara::detail::Opt(show_version)["-v"]["--version"]("Show version") |
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clara::detail::Opt(config, "config")["-c"]["--config"]("Config path") |
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clara::detail::Opt(style, "style")["-s"]["--style"]("Style path") |
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clara::detail::Opt(
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log_level,
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"trace|debug|info|warning|error|critical|off")["-l"]["--log-level"]("Log level") |
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clara::detail::Opt(bar_id, "id")["-b"]["--bar"]("Bar id");
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auto res = cli.parse(clara::detail::Args(argc, argv));
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if (!res) {
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spdlog::error("Error in command line: {}", res.errorMessage());
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return 1;
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}
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if (show_help) {
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std::cout << cli << std::endl;
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return 0;
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}
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if (show_version) {
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std::cout << "Waybar v" << VERSION << std::endl;
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return 0;
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}
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if (!log_level.empty()) {
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spdlog::set_level(spdlog::level::from_str(log_level));
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}
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setupConfigs(config, style);
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setupConfig();
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setupCss();
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bindInterfaces();
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gtk_app->hold();
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gtk_app->run();
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bars.clear();
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zxdg_output_manager_v1_destroy(xdg_output_manager);
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zwlr_layer_shell_v1_destroy(layer_shell);
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zwp_idle_inhibit_manager_v1_destroy(idle_inhibit_manager);
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wl_registry_destroy(registry);
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wl_display_disconnect(wl_display);
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return 0;
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}
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