140 lines
4.2 KiB
C++
140 lines
4.2 KiB
C++
#include "modules/hyprland/language.hpp"
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#include <spdlog/spdlog.h>
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#include <xkbcommon/xkbcommon.h>
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#include <xkbcommon/xkbregistry.h>
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#include "util/sanitize_str.hpp"
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#include "util/string.hpp"
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namespace waybar::modules::hyprland {
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Language::Language(const std::string& id, const Bar& bar, const Json::Value& config)
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: ALabel(config, "language", id, "{}", 0, true), bar_(bar) {
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modulesReady = true;
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if (!gIPC.get()) {
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gIPC = std::make_unique<IPC>();
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}
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// get the active layout when open
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initLanguage();
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label_.hide();
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update();
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// register for hyprland ipc
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gIPC->registerForIPC("activelayout", this);
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}
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Language::~Language() {
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gIPC->unregisterForIPC(this);
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// wait for possible event handler to finish
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std::lock_guard<std::mutex> lg(mutex_);
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}
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auto Language::update() -> void {
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std::lock_guard<std::mutex> lg(mutex_);
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std::string layoutName = std::string{};
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if (config_.isMember("format-" + layout_.short_description + "-" + layout_.variant)) {
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const auto propName = "format-" + layout_.short_description + "-" + layout_.variant;
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layoutName = fmt::format(fmt::runtime(format_), config_[propName].asString());
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} else if (config_.isMember("format-" + layout_.short_description)) {
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const auto propName = "format-" + layout_.short_description;
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layoutName = fmt::format(fmt::runtime(format_), config_[propName].asString());
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} else {
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layoutName = trim(fmt::format(fmt::runtime(format_), fmt::arg("long", layout_.full_name),
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fmt::arg("short", layout_.short_name),
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fmt::arg("shortDescription", layout_.short_description),
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fmt::arg("variant", layout_.variant)));
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}
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if (!format_.empty()) {
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label_.show();
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label_.set_markup(layoutName);
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} else {
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label_.hide();
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}
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ALabel::update();
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}
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void Language::onEvent(const std::string& ev) {
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std::lock_guard<std::mutex> lg(mutex_);
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std::string kbName(begin(ev) + ev.find_last_of('>') + 1, begin(ev) + ev.find_first_of(','));
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auto layoutName = ev.substr(ev.find_first_of(',') + 1);
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if (config_.isMember("keyboard-name") && kbName != config_["keyboard-name"].asString())
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return; // ignore
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layoutName = waybar::util::sanitize_string(layoutName);
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layout_ = getLayout(layoutName);
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spdlog::debug("hyprland language onevent with {}", layoutName);
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dp.emit();
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}
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void Language::initLanguage() {
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const auto inputDevices = gIPC->getSocket1Reply("devices");
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const auto kbName = config_["keyboard-name"].asString();
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try {
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auto searcher = kbName.empty()
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? inputDevices
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: inputDevices.substr(inputDevices.find(kbName) + kbName.length());
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searcher = searcher.substr(searcher.find("keymap:") + 8);
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searcher = searcher.substr(0, searcher.find_first_of("\n\t"));
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searcher = waybar::util::sanitize_string(searcher);
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layout_ = getLayout(searcher);
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spdlog::debug("hyprland language initLanguage found {}", layout_.full_name);
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dp.emit();
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} catch (std::exception& e) {
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spdlog::error("hyprland language initLanguage failed with {}", e.what());
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}
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}
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auto Language::getLayout(const std::string& fullName) -> Layout {
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const auto CONTEXT = rxkb_context_new(RXKB_CONTEXT_LOAD_EXOTIC_RULES);
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rxkb_context_parse_default_ruleset(CONTEXT);
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rxkb_layout* layout = rxkb_layout_first(CONTEXT);
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while (layout) {
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std::string nameOfLayout = rxkb_layout_get_description(layout);
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if (nameOfLayout != fullName) {
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layout = rxkb_layout_next(layout);
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continue;
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}
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auto name = std::string(rxkb_layout_get_name(layout));
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auto variant_ = rxkb_layout_get_variant(layout);
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std::string variant = variant_ == nullptr ? "" : std::string(variant_);
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auto short_description_ = rxkb_layout_get_brief(layout);
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std::string short_description =
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short_description_ == nullptr ? "" : std::string(short_description_);
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Layout info = Layout{nameOfLayout, name, variant, short_description};
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rxkb_context_unref(CONTEXT);
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return info;
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}
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rxkb_context_unref(CONTEXT);
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spdlog::debug("hyprland language didn't find matching layout");
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return Layout{"", "", "", ""};
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}
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} // namespace waybar::modules::hyprland
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