mirror of https://github.com/polybar/polybar.git
68 lines
1.6 KiB
C++
68 lines
1.6 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/math.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 ramp : public non_copyable_mixin<ramp> {
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public:
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explicit ramp() = default;
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explicit ramp(vector<icon_t>&& icons) : m_icons(forward<decltype(icons)>(icons)) {}
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void add(icon_t&& icon) {
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m_icons.emplace_back(forward<decltype(icon)>(icon));
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}
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icon_t get(size_t index) {
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return m_icons[index];
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}
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icon_t get_by_percentage(float percentage) {
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size_t index = percentage * (m_icons.size() - 1) / 100.0f + 0.5f;
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return m_icons[math_util::cap<size_t>(index, 0, m_icons.size() - 1)];
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}
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operator bool() {
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return !m_icons.empty();
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}
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protected:
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vector<icon_t> m_icons;
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};
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using ramp_t = shared_ptr<ramp>;
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/**
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* Create a ramp by loading values
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* from the configuration
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*/
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inline auto load_ramp(const config& conf, string section, string name, bool required = true) {
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name = string_util::ltrim(string_util::rtrim(name, '>'), '<');
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auto ramp_defaults = load_optional_icon(conf, section, name);
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vector<icon_t> vec;
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vector<string> icons;
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if (required)
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icons = conf.get_list<string>(section, name);
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else
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icons = conf.get_list<string>(section, name, {});
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for (size_t i = 0; i < icons.size(); i++) {
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auto icon = load_optional_icon(conf, section, name + "-" + to_string(i), icons[i]);
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icon->copy_undefined(ramp_defaults);
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vec.emplace_back(move(icon));
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}
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return ramp_t{new ramp_t::element_type(move(vec))};
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}
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}
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LEMONBUDDY_NS_END
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