mirror of https://github.com/polybar/polybar.git
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
#pragma once
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#include "common.hpp"
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#include "components/config.hpp"
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#include "drawtypes/label.hpp"
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#include "utils/mixins.hpp"
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LEMONBUDDY_NS
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namespace drawtypes {
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class animation : public non_copyable_mixin<animation> {
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public:
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explicit animation(int framerate_ms) : m_framerate_ms(framerate_ms) {}
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explicit animation(vector<icon_t>&& frames, int framerate_ms)
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: m_frames(forward<decltype(frames)>(frames))
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, m_framerate_ms(framerate_ms)
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, m_framecount(m_frames.size())
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, m_lastupdate(chrono::system_clock::now()) {}
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void add(icon_t&& frame) {
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m_frames.emplace_back(forward<decltype(frame)>(frame));
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m_framecount = m_frames.size();
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}
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icon_t get() {
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tick();
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return m_frames[m_frame];
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}
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int framerate() {
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return m_framerate_ms;
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}
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operator bool() {
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return !m_frames.empty();
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}
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protected:
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vector<icon_t> m_frames;
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int m_framerate_ms = 1000;
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int m_frame = 0;
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int m_framecount = 0;
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chrono::system_clock::time_point m_lastupdate;
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void tick() {
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auto now = chrono::system_clock::now();
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auto diff = chrono::duration_cast<chrono::milliseconds>(now - m_lastupdate);
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if (diff.count() < m_framerate_ms)
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return;
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if (++m_frame >= m_framecount)
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m_frame = 0;
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m_lastupdate = now;
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}
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};
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using animation_t = shared_ptr<animation>;
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/**
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* Create an animation by loading values
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* from the configuration
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*/
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inline auto load_animation(
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const config& conf, string section, string name = "animation", bool required = true) {
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vector<icon_t> vec;
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vector<string> frames;
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name = string_util::ltrim(string_util::rtrim(name, '>'), '<');
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if (required)
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frames = conf.get_list<string>(section, name);
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else
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frames = conf.get_list<string>(section, name, {});
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for (size_t i = 0; i < frames.size(); i++)
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vec.emplace_back(forward<icon_t>(
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load_optional_icon(conf, section, name + "-" + to_string(i), frames[i])));
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auto framerate = conf.get<int>(section, name + "-framerate", 1000);
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return animation_t{new animation(move(vec), framerate)};
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}
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}
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LEMONBUDDY_NS_END
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