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polybar/include/drawtypes/label.hpp
Michael Carlberg 68f72d69cc refactor: Drop tokenized labels
Handle placeholder tokens inside each label
instead of cloning into a new instance each time
2016-10-19 01:31:17 +02:00

115 lines
3.5 KiB
C++

#pragma once
#include "common.hpp"
#include "components/config.hpp"
#include "utils/mixins.hpp"
LEMONBUDDY_NS
namespace drawtypes {
class label;
using icon = label;
using label_t = shared_ptr<label>;
using icon_t = label_t;
class label : public non_copyable_mixin<label> {
public:
string m_foreground;
string m_background;
string m_underline;
string m_overline;
int m_font = 0;
int m_padding = 0;
int m_margin = 0;
size_t m_maxlen = 0;
bool m_ellipsis = true;
explicit label(string text, int font) : m_font(font), m_text(text), m_tokenized(m_text) {}
explicit label(string text, string foreground = "", string background = "",
string underline = "", string overline = "", int font = 0, int padding = 0, int margin = 0,
size_t maxlen = 0, bool ellipsis = true)
: m_foreground(foreground)
, m_background(background)
, m_underline(underline)
, m_overline(overline)
, m_font(font)
, m_padding(padding)
, m_margin(margin)
, m_maxlen(maxlen)
, m_ellipsis(ellipsis)
, m_text(text)
, m_tokenized(m_text) {}
string get() const {
return m_tokenized;
}
operator bool() {
return !m_text.empty();
}
label_t clone() {
return label_t{new label(m_text, m_foreground, m_background, m_underline, m_overline, m_font,
m_padding, m_margin, m_maxlen, m_ellipsis)};
}
void reset_tokens() {
m_tokenized = m_text;
}
void replace_token(string token, string replacement) {
m_tokenized = string_util::replace_all(m_tokenized, token, replacement);
}
void replace_defined_values(label_t label) {
if (!label->m_foreground.empty())
m_foreground = label->m_foreground;
if (!label->m_background.empty())
m_background = label->m_background;
if (!label->m_underline.empty())
m_underline = label->m_underline;
if (!label->m_overline.empty())
m_overline = label->m_overline;
}
private:
string m_text, m_tokenized;
};
inline label_t get_config_label(const config& conf, string section, string name = "label",
bool required = true, string def = "") {
string text;
name = string_util::ltrim(string_util::rtrim(name, '>'), '<');
if (required)
text = conf.get<string>(section, name);
else
text = conf.get<string>(section, name, def);
return label_t{new label(text, conf.get<string>(section, name + "-foreground", ""),
conf.get<string>(section, name + "-background", ""),
conf.get<string>(section, name + "-underline", ""),
conf.get<string>(section, name + "-overline", ""),
conf.get<int>(section, name + "-font", 0), conf.get<int>(section, name + "-padding", 0),
conf.get<int>(section, name + "-margin", 0), conf.get<size_t>(section, name + "-maxlen", 0),
conf.get<bool>(section, name + "-ellipsis", true))};
}
inline label_t get_optional_config_label(
const config& conf, string section, string name = "label", string def = "") {
return get_config_label(conf, section, name, false, def);
}
inline icon_t get_config_icon(const config& conf, string section, string name = "icon",
bool required = true, string def = "") {
return get_config_label(conf, section, name, required, def);
}
inline icon_t get_optional_config_icon(
const config& conf, string section, string name = "icon", string def = "") {
return get_config_icon(conf, section, name, false, def);
}
}
LEMONBUDDY_NS_END