mirror of https://github.com/polybar/polybar.git
153 lines
3.8 KiB
C++
153 lines
3.8 KiB
C++
#pragma once
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#include <moodycamel/blockingconcurrentqueue.h>
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#include <thread>
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#include "common.hpp"
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#include "components/eventloop.hpp"
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#include "components/types.hpp"
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#include "events/signal_fwd.hpp"
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#include "events/signal_receiver.hpp"
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#include "events/types.hpp"
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#include "settings.hpp"
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#include "utils/actions.hpp"
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#include "utils/file.hpp"
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#include "x11/types.hpp"
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POLYBAR_NS
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// fwd decl {{{
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enum class alignment;
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class bar;
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class config;
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class connection;
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class inotify_watch;
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class ipc;
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class logger;
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class signal_emitter;
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namespace modules {
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struct module_interface;
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} // namespace modules
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using module_t = shared_ptr<modules::module_interface>;
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using modulemap_t = std::map<alignment, vector<module_t>>;
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// }}}
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class controller
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: public signal_receiver<SIGN_PRIORITY_CONTROLLER, signals::eventqueue::exit_terminate,
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signals::eventqueue::exit_reload, signals::eventqueue::notify_change, signals::eventqueue::notify_forcechange,
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signals::eventqueue::check_state, signals::ipc::action, signals::ipc::command, signals::ipc::hook,
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signals::ui::ready, signals::ui::button_press, signals::ui::update_background> {
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public:
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using make_type = unique_ptr<controller>;
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static make_type make(unique_ptr<ipc>&& ipc, unique_ptr<inotify_watch>&& config_watch);
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explicit controller(connection&, signal_emitter&, const logger&, const config&, unique_ptr<bar>&&, unique_ptr<ipc>&&,
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unique_ptr<inotify_watch>&&);
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~controller();
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bool run(bool writeback, string snapshot_dst);
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bool enqueue(event&& evt);
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bool enqueue(string&& input_data);
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void signal_handler(int signum);
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void conn_cb(int status, int events);
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void ipc_cb(string buf);
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void confwatch_handler(const char* fname, int events, int status);
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protected:
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void read_events();
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void process_eventqueue();
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void process_inputdata();
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bool process_update(bool force);
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bool on(const signals::eventqueue::notify_change& evt) override;
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bool on(const signals::eventqueue::notify_forcechange& evt) override;
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bool on(const signals::eventqueue::exit_terminate& evt) override;
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bool on(const signals::eventqueue::exit_reload& evt) override;
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bool on(const signals::eventqueue::check_state& evt) override;
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bool on(const signals::ui::ready& evt) override;
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bool on(const signals::ui::button_press& evt) override;
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bool on(const signals::ipc::action& evt) override;
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bool on(const signals::ipc::command& evt) override;
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bool on(const signals::ipc::hook& evt) override;
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bool on(const signals::ui::update_background& evt) override;
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private:
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size_t setup_modules(alignment align);
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bool forward_action(const actions_util::action& cmd);
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bool try_forward_legacy_action(const string& cmd);
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connection& m_connection;
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signal_emitter& m_sig;
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const logger& m_log;
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const config& m_conf;
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unique_ptr<bar> m_bar;
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unique_ptr<ipc> m_ipc;
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unique_ptr<inotify_watch> m_confwatch;
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std::unique_ptr<eventloop> eloop;
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/**
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* \brief State flag
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*/
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std::atomic<bool> m_process_events{false};
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/**
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* \brief Destination path of generated snapshot
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*/
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string m_snapshot_dst;
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/**
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* \brief Controls weather the output gets printed to stdout
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*/
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bool m_writeback{false};
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/**
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* \brief Internal event queue
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*/
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moodycamel::BlockingConcurrentQueue<event> m_queue;
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/**
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* \brief Loaded modules
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*/
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vector<module_t> m_modules;
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/**
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* \brief Loaded modules grouped by block
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*/
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modulemap_t m_blocks;
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/**
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* \brief Maximum number of subsequent events to swallow
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*/
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size_t m_swallow_limit{5U};
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/**
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* \brief Time to wait for subsequent events
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*/
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std::chrono::milliseconds m_swallow_update{10};
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/**
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* \brief Input data
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*/
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string m_inputdata;
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/**
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* \brief Thread for the eventqueue loop
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*/
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std::thread m_event_thread;
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/**
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* \brief Misc threads
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*/
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vector<std::thread> m_threads;
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};
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POLYBAR_NS_END
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