waybar/src/modules/sway/language.cpp

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#include "modules/sway/language.hpp"
#include <spdlog/spdlog.h>
namespace waybar::modules::sway {
Language::Language(const std::string& id, const Json::Value& config)
: ALabel(config, "language", id, "{}", 0, true) {
ipc_.subscribe(R"(["input"])");
ipc_.signal_event.connect(sigc::mem_fun(*this, &Language::onEvent));
ipc_.signal_cmd.connect(sigc::mem_fun(*this, &Language::onCmd));
ipc_.sendCmd(IPC_GET_INPUTS);
// Launch worker
ipc_.setWorker([this] {
try {
ipc_.handleEvent();
} catch (const std::exception& e) {
spdlog::error("Language: {}", e.what());
}
});
dp.emit();
}
void Language::onCmd(const struct Ipc::ipc_response& res) {
try {
auto payload = parser_.parse(res.payload);
//Display current layout of a device with a maximum count of layouts, expecting that all will be OK
Json::Value::ArrayIndex maxId = 0, max = 0;
for(Json::Value::ArrayIndex i = 0; i < payload.size(); i++) {
if(payload[i]["xkb_layout_names"].size() > max) {
max = payload[i]["xkb_layout_names"].size();
maxId = i;
}
}
auto layout_name = payload[maxId]["xkb_active_layout_name"].asString().substr(0,2);
lang_ = Glib::Markup::escape_text(layout_name);
dp.emit();
} catch (const std::exception& e) {
spdlog::error("Language: {}", e.what());
}
}
void Language::onEvent(const struct Ipc::ipc_response& res) {
try {
std::lock_guard<std::mutex> lock(mutex_);
auto payload = parser_.parse(res.payload)["input"];
if (payload["type"].asString() == "keyboard") {
auto layout_name = payload["xkb_active_layout_name"].asString().substr(0,2);
if (!layout_name.empty()) {
lang_ = Glib::Markup::escape_text(layout_name);
}
}
dp.emit();
} catch (const std::exception& e) {
spdlog::error("Language: {}", e.what());
}
}
auto Language::update() -> void {
if (lang_.empty()) {
event_box_.hide();
} else {
label_.set_markup(fmt::format(format_, lang_));
if (tooltipEnabled()) {
label_.set_tooltip_text(lang_);
}
event_box_.show();
}
// Call parent update
ALabel::update();
}
} // namespace waybar::modules::sway