Files
Waybar/src/modules/hyprland/language.cpp
zjeffer 5b8839ab5c Hyprland IPC improvements
Fixes IPC being blocked at shutdown
2025-02-19 20:45:47 +01:00

142 lines
4.5 KiB
C++

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