mirror of https://github.com/polybar/polybar.git
125 lines
3.5 KiB
C++
125 lines
3.5 KiB
C++
#include "modules/script.hpp"
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#include "drawtypes/label.hpp"
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#include "modules/meta/base.inl"
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POLYBAR_NS
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namespace modules {
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script_module::script_module(const bar_settings& bar, string name_)
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: module<script_module>(bar, move(name_))
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, m_tail(m_conf.get(name(), "tail", false))
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, m_interval(m_conf.get<script_runner::interval>(name(), "interval", m_tail ? 0s : 5s))
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, m_runner([this]() { broadcast(); }, m_conf.get(name(), "exec", ""s), m_conf.get(name(), "exec-if", ""s), m_tail,
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m_interval, m_conf.get_with_prefix(name(), "env-")) {
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// Load configured click handlers
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m_actions[mousebtn::LEFT] = m_conf.get(name(), "click-left", ""s);
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m_actions[mousebtn::MIDDLE] = m_conf.get(name(), "click-middle", ""s);
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m_actions[mousebtn::RIGHT] = m_conf.get(name(), "click-right", ""s);
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m_actions[mousebtn::DOUBLE_LEFT] = m_conf.get(name(), "double-click-left", ""s);
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m_actions[mousebtn::DOUBLE_MIDDLE] = m_conf.get(name(), "double-click-middle", ""s);
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m_actions[mousebtn::DOUBLE_RIGHT] = m_conf.get(name(), "double-click-right", ""s);
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m_actions[mousebtn::SCROLL_UP] = m_conf.get(name(), "scroll-up", ""s);
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m_actions[mousebtn::SCROLL_DOWN] = m_conf.get(name(), "scroll-down", ""s);
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// Setup formatting
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m_formatter->add(DEFAULT_FORMAT, TAG_LABEL, {TAG_LABEL});
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if (m_formatter->has(TAG_LABEL)) {
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m_label = load_optional_label(m_conf, name(), "label", "%output%");
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}
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}
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/**
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* Start the module worker
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*/
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void script_module::start() {
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m_mainthread = thread([&] {
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try {
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while (running()) {
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script_runner::interval sleep_time;
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if (m_runner.check_condition()) {
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sleep_time = m_runner.process();
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} else {
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m_runner.clear_output();
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sleep_time = std::max(m_interval, script_runner::interval(1s));
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}
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if (m_runner.is_stopping()) {
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break;
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}
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sleep(sleep_time);
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}
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} catch (const exception& err) {
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halt(err.what());
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}
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});
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}
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/**
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* Stop the module worker by terminating any running commands
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*/
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void script_module::stop() {
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m_runner.stop();
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wakeup();
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module::stop();
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}
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/**
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* Generate module output
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*/
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string script_module::get_output() {
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auto script_output = m_runner.get_output();
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if (script_output.empty()) {
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return "";
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}
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if (m_label) {
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m_label->reset_tokens();
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m_label->replace_token("%output%", script_output);
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}
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string cnt{to_string(m_runner.get_counter())};
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string output{module::get_output()};
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for (const auto& a : m_actions) {
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auto btn = a.first;
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auto action = a.second;
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if (!action.empty()) {
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auto action_replaced = string_util::replace_all(action, "%counter%", cnt);
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/*
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* The pid token is only for tailed commands.
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* If the command is not specified or running, replacement is unnecessary as well
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*/
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int pid = m_runner.get_pid();
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if (pid != -1) {
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action_replaced = string_util::replace_all(action_replaced, "%pid%", to_string(pid));
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}
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m_builder->action(btn, action_replaced);
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}
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}
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m_builder->append(output);
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return m_builder->flush();
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}
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/**
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* Output format tags
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*/
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bool script_module::build(builder* builder, const string& tag) const {
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if (tag == TAG_LABEL) {
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builder->node(m_label);
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} else {
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return false;
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}
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return true;
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}
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} // namespace modules
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POLYBAR_NS_END
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