polybar-dwm/include/drawtypes/label.hpp
patrick96 0346a965a7 refactor(builder): No exception when maxlen < 3
The check of the maxlen and ellipsis condition was also moved to the
label creation, this way get_label_text doesn't need to care about the
restrictions placed on maxlen and ellipsis
2018-07-22 14:02:15 -07:00

97 lines
2.8 KiB
C++

#pragma once
#include <cassert>
#include "common.hpp"
#include "components/config.hpp"
#include "components/types.hpp"
#include "utils/mixins.hpp"
POLYBAR_NS
/**
* TODO: Remove icon_t
*/
namespace drawtypes {
struct token {
string token;
size_t min{0_z};
size_t max{0_z};
string suffix{""s};
};
class label;
using label_t = shared_ptr<label>;
/**
* @decprecated: use label
*/
using icon = 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};
side_values m_padding{0U,0U};
side_values m_margin{0U,0U};
/*
* If m_ellipsis is true, m_maxlen MUST be larger or equal to the length of
* the ellipsis (3), everything else is a programming error
*
* load_label should take care of this, but be aware, if you are creating
* labels in a different way.
*/
size_t m_maxlen{0_z};
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 = ""s, string background = ""s, string underline = ""s,
string overline = ""s, int font = 0, struct side_values padding = {0U,0U}, struct side_values margin = {0U,0U},
size_t maxlen = 0_z, bool ellipsis = true, vector<token>&& tokens = {})
: 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)
, m_tokens(forward<vector<token>>(tokens)) {
assert(!m_ellipsis || (m_maxlen == 0 || m_maxlen >= 3));
}
string get() const;
operator bool();
label_t clone();
void clear();
void reset_tokens();
void reset_tokens(const string& tokenized);
bool has_token(const string& token) const;
void replace_token(const string& token, string replacement);
void replace_defined_values(const label_t& label);
void copy_undefined(const label_t& label);
private:
string m_text{};
string m_tokenized{};
const vector<token> m_tokens{};
};
label_t load_label(const config& conf, const string& section, string name, bool required = true, string def = ""s);
label_t load_optional_label(const config& conf, string section, string name, string def = ""s);
icon_t load_icon(const config& conf, string section, string name, bool required = true, string def = ""s);
icon_t load_optional_icon(const config& conf, string section, string name, string def = ""s);
}
POLYBAR_NS_END