polybar/include/drawtypes/animation.hpp

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#pragma once
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#include "common.hpp"
#include "components/config.hpp"
#include "drawtypes/label.hpp"
#include "utils/mixins.hpp"
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LEMONBUDDY_NS
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namespace drawtypes {
class animation;
using animation_t = shared_ptr<animation>;
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class animation : public non_copyable_mixin<animation> {
public:
explicit animation(int framerate_ms) : m_framerate_ms(framerate_ms) {}
explicit animation(vector<icon_t>&& frames, int framerate_ms)
: m_frames(forward<decltype(frames)>(frames))
, m_framerate_ms(framerate_ms)
, m_framecount(m_frames.size())
, m_lastupdate(chrono::system_clock::now()) {}
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void add(icon_t&& frame) {
m_frames.emplace_back(forward<decltype(frame)>(frame));
m_framecount = m_frames.size();
}
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icon_t get() {
tick();
return m_frames[m_frame];
}
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int framerate() {
return m_framerate_ms;
}
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operator bool() {
return !m_frames.empty();
}
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protected:
vector<icon_t> m_frames;
int m_framerate_ms = 1000;
int m_frame = 0;
int m_framecount = 0;
chrono::system_clock::time_point m_lastupdate;
void tick() {
auto now = chrono::system_clock::now();
auto diff = chrono::duration_cast<chrono::milliseconds>(now - m_lastupdate);
if (diff.count() < m_framerate_ms)
return;
if (++m_frame >= m_framecount)
m_frame = 0;
m_lastupdate = now;
}
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};
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inline auto get_config_animation(
const config& conf, string section, string name = "animation", bool required = true) {
vector<icon_t> vec;
vector<string> frames;
name = string_util::ltrim(string_util::rtrim(name, '>'), '<');
if (required)
frames = conf.get_list<string>(section, name);
else
frames = conf.get_list<string>(section, name, {});
for (size_t i = 0; i < frames.size(); i++)
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vec.emplace_back(forward<icon_t>(
get_optional_config_icon(conf, section, name + "-" + to_string(i), frames[i])));
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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LEMONBUDDY_NS_END