mirror of https://github.com/polybar/polybar.git
122 lines
3.5 KiB
C++
122 lines
3.5 KiB
C++
#pragma once
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#include "common.hpp"
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#include "modules/meta/inotify_module.hpp"
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#include "modules/meta/types.hpp"
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POLYBAR_NS
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namespace modules {
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class battery_module : public inotify_module<battery_module> {
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public:
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enum class state {
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NONE = 0,
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CHARGING,
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DISCHARGING,
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LOW,
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FULL,
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};
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enum class value {
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NONE = 0,
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ADAPTER,
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CAPACITY,
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CAPACITY_MAX,
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VOLTAGE,
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RATE,
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};
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template <typename ReturnType>
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struct value_reader {
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using return_type = ReturnType;
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explicit value_reader() = default;
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explicit value_reader(function<ReturnType()>&& fn) : m_fn(forward<decltype(fn)>(fn)) {}
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ReturnType read() const {
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return m_fn();
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}
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private:
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const function<ReturnType()> m_fn;
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};
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using state_reader = mutex_wrapper<value_reader<bool /* is_charging */>>;
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using capacity_reader = mutex_wrapper<value_reader<int /* percentage */>>;
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using rate_reader = mutex_wrapper<value_reader<unsigned long /* seconds */>>;
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using consumption_reader = mutex_wrapper<value_reader<string /* watts */>>;
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public:
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explicit battery_module(const bar_settings&, string, const config&);
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void start() override;
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void teardown();
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void idle();
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bool on_event(const inotify_event& event);
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string get_format() const;
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bool build(builder* builder, const string& tag) const;
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static constexpr auto TYPE = BATTERY_TYPE;
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protected:
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state current_state();
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int current_percentage();
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int clamp_percentage(int percentage, state state) const;
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string current_time();
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string current_consumption();
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void subthread();
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private:
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static constexpr const char* FORMAT_CHARGING{"format-charging"};
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static constexpr const char* FORMAT_DISCHARGING{"format-discharging"};
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static constexpr const char* FORMAT_FULL{"format-full"};
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static constexpr const char* FORMAT_LOW{"format-low"};
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static constexpr const char* TAG_ANIMATION_CHARGING{"<animation-charging>"};
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static constexpr const char* TAG_ANIMATION_DISCHARGING{"<animation-discharging>"};
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static constexpr const char* TAG_ANIMATION_LOW{"<animation-low>"};
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static constexpr const char* TAG_BAR_CAPACITY{"<bar-capacity>"};
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static constexpr const char* TAG_RAMP_CAPACITY{"<ramp-capacity>"};
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static constexpr const char* TAG_LABEL_CHARGING{"<label-charging>"};
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static constexpr const char* TAG_LABEL_DISCHARGING{"<label-discharging>"};
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static constexpr const char* TAG_LABEL_FULL{"<label-full>"};
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static constexpr const char* TAG_LABEL_LOW{"<label-low>"};
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static const size_t SKIP_N_UNCHANGED{3_z};
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unique_ptr<state_reader> m_state_reader;
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unique_ptr<capacity_reader> m_capacity_reader;
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unique_ptr<rate_reader> m_rate_reader;
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unique_ptr<consumption_reader> m_consumption_reader;
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label_t m_label_charging;
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label_t m_label_discharging;
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label_t m_label_full;
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label_t m_label_low;
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animation_t m_animation_charging;
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animation_t m_animation_discharging;
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animation_t m_animation_low;
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progressbar_t m_bar_capacity;
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ramp_t m_ramp_capacity;
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string m_fstate;
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string m_fcapnow;
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string m_fcapfull;
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string m_frate;
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string m_fvoltage;
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state m_state{state::DISCHARGING};
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int m_percentage{0};
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int m_fullat{100};
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int m_lowat{10};
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string m_timeformat;
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size_t m_unchanged{SKIP_N_UNCHANGED};
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chrono::duration<double> m_interval{};
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chrono::steady_clock::time_point m_lastpoll;
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thread m_subthread;
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};
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} // namespace modules
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POLYBAR_NS_END
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