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polybar/include/components/builder.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

463 lines
12 KiB
C++

#pragma once
#include "common.hpp"
#include "components/config.hpp"
#include "components/types.hpp"
#include "config.hpp"
#include "drawtypes/label.hpp"
#include "utils/math.hpp"
#include "utils/string.hpp"
LEMONBUDDY_NS
#define DEFAULT_SPACING -1
#ifndef BUILDER_SPACE_TOKEN
#define BUILDER_SPACE_TOKEN "%__"
#endif
using namespace drawtypes;
class builder {
public:
explicit builder(const bar_settings bar, bool lazy = true) : m_bar(bar), m_lazy(lazy) {}
void set_lazy(bool mode) {
m_lazy = mode;
}
string flush() {
if (m_lazy) {
while (m_counters[syntaxtag::A] > 0) cmd_close(true);
while (m_counters[syntaxtag::B] > 0) background_close(true);
while (m_counters[syntaxtag::F] > 0) color_close(true);
while (m_counters[syntaxtag::T] > 0) font_close(true);
while (m_counters[syntaxtag::U] > 0) line_color_close(true);
while (m_counters[syntaxtag::u] > 0) underline_close(true);
while (m_counters[syntaxtag::o] > 0) overline_close(true);
}
string output = m_output.data();
// reset values
m_output.clear();
for (auto& counter : m_counters) counter.second = 0;
for (auto& value : m_colors) value.second = "";
m_fontindex = 1;
return string_util::replace_all(output, string{BUILDER_SPACE_TOKEN}, " ");
}
void append(string text) {
string str(text);
auto len = str.length();
if (len > 2 && str[0] == '"' && str[len - 1] == '"')
m_output += str.substr(1, len - 2);
else
m_output += str;
}
void node(string str, bool add_space = false) {
string::size_type n, m;
string s(str);
while (true) {
if (s.empty()) {
break;
} else if ((n = s.find("%{F-}")) == 0) {
color_close(!m_lazy);
s.erase(0, 5);
} else if ((n = s.find("%{F#")) == 0 && (m = s.find("}")) != string::npos) {
if (m - n - 4 == 2)
color_alpha(s.substr(n + 3, m - 3));
else
color(s.substr(n + 3, m - 3));
s.erase(n, m + 1);
} else if ((n = s.find("%{B-}")) == 0) {
background_close(!m_lazy);
s.erase(0, 5);
} else if ((n = s.find("%{B#")) == 0 && (m = s.find("}")) != string::npos) {
background(s.substr(n + 3, m - 3));
s.erase(n, m + 1);
} else if ((n = s.find("%{T-}")) == 0) {
font_close(!m_lazy);
s.erase(0, 5);
} else if ((n = s.find("%{T")) == 0 && (m = s.find("}")) != string::npos) {
font(std::atoi(s.substr(n + 3, m - 3).c_str()));
s.erase(n, m + 1);
} else if ((n = s.find("%{U-}")) == 0) {
line_color_close(!m_lazy);
s.erase(0, 5);
} else if ((n = s.find("%{U#")) == 0 && (m = s.find("}")) != string::npos) {
line_color(s.substr(n + 3, m - 3));
s.erase(n, m + 1);
} else if ((n = s.find("%{+u}")) == 0) {
underline();
s.erase(0, 5);
} else if ((n = s.find("%{+o}")) == 0) {
overline();
s.erase(0, 5);
} else if ((n = s.find("%{-u}")) == 0) {
underline_close(true);
s.erase(0, 5);
} else if ((n = s.find("%{-o}")) == 0) {
overline_close(true);
s.erase(0, 5);
} else if ((n = s.find("%{A}")) == 0) {
cmd_close(true);
s.erase(0, 4);
} else if ((n = s.find("%{")) == 0 && (m = s.find("}")) != string::npos) {
append(s.substr(n, m + 1));
s.erase(n, m + 1);
} else if ((n = s.find("%{")) > 0) {
append(s.substr(0, n));
s.erase(0, n);
} else
break;
}
if (!s.empty())
append(s);
if (add_space)
space();
}
void node(string str, int font_index, bool add_space = false) {
font(font_index);
node(str, add_space);
font_close();
}
// void node(progressbar_t bar, float perc, bool add_space = false) {
// if (!bar)
// return;
// node(bar->get_output(math_util::cap<float>(0, 100, perc)), add_space);
// }
void node(label_t label, bool add_space = false) {
if (!label || !*label)
return;
auto text = label->get();
if (label->m_maxlen > 0 && text.length() > label->m_maxlen) {
text = text.substr(0, label->m_maxlen) + "...";
}
if ((label->m_overline.empty() && m_counters[syntaxtag::o] > 0) ||
(m_counters[syntaxtag::o] > 0 && label->m_margin > 0))
overline_close(true);
if ((label->m_underline.empty() && m_counters[syntaxtag::u] > 0) ||
(m_counters[syntaxtag::u] > 0 && label->m_margin > 0))
underline_close(true);
if (label->m_margin > 0)
space(label->m_margin);
if (!label->m_overline.empty())
overline(label->m_overline);
if (!label->m_underline.empty())
underline(label->m_underline);
background(label->m_background);
color(label->m_foreground);
if (label->m_padding > 0)
space(label->m_padding);
node(text, label->m_font, add_space);
if (label->m_padding > 0)
space(label->m_padding);
color_close(m_lazy && label->m_margin > 0);
background_close(m_lazy && label->m_margin > 0);
if (!label->m_underline.empty() || (label->m_margin > 0 && m_counters[syntaxtag::u] > 0))
underline_close(m_lazy && label->m_margin > 0);
if (!label->m_overline.empty() || (label->m_margin > 0 && m_counters[syntaxtag::o] > 0))
overline_close(m_lazy && label->m_margin > 0);
if (label->m_margin > 0)
space(label->m_margin);
}
// void node(ramp_t ramp, float perc, bool add_space = false) {
// if (!ramp)
// return;
// node(ramp->get_by_percentage(math_util::cap<float>(0, 100, perc)), add_space);
// }
// void node(animation_t animation, bool add_space = false) {
// if (!animation)
// return;
// node(animation->get(), add_space);
// }
void offset(int pixels = 0) {
if (pixels != 0)
tag_open('O', std::to_string(pixels));
}
void space(int width = DEFAULT_SPACING) {
if (width == DEFAULT_SPACING)
width = m_bar.spacing;
if (width <= 0)
return;
string str(width, ' ');
append(str);
}
void remove_trailing_space(int width = DEFAULT_SPACING) {
if (width == DEFAULT_SPACING)
width = m_bar.spacing;
if (width <= 0)
return;
string::size_type spacing = width;
string str(spacing, ' ');
if (m_output.length() >= spacing && m_output.substr(m_output.length() - spacing) == str)
m_output = m_output.substr(0, m_output.length() - spacing);
}
void invert() {
tag_open('R', "");
}
void font(int index) {
if (index <= 0 && m_counters[syntaxtag::T] > 0)
font_close(true);
if (index <= 0 || index == m_fontindex)
return;
if (m_lazy && m_counters[syntaxtag::T] > 0)
font_close(true);
m_counters[syntaxtag::T]++;
m_fontindex = index;
tag_open('T', std::to_string(index));
}
void font_close(bool force = false) {
if ((!force && m_lazy) || m_counters[syntaxtag::T] <= 0)
return;
m_counters[syntaxtag::T]--;
m_fontindex = 1;
tag_close('T');
}
void background(string color) {
if (color.length() == 2 || (color.find("#") == 0 && color.length() == 3)) {
color = "#" + color.substr(color.length() - 2);
auto bg = m_bar.background.hex();
color += bg.substr(bg.length() - (bg.length() < 6 ? 3 : 6));
} else if (color.length() >= 7 && color == "#" + string(color.length() - 1, color[1])) {
color = color.substr(0, 4);
}
if (color.empty() && m_counters[syntaxtag::B] > 0)
background_close(true);
if (color.empty() || color == m_colors[syntaxtag::B])
return;
if (m_lazy && m_counters[syntaxtag::B] > 0)
background_close(true);
m_counters[syntaxtag::B]++;
m_colors[syntaxtag::B] = color;
tag_open('B', color);
}
void background_close(bool force = false) {
if ((!force && m_lazy) || m_counters[syntaxtag::B] <= 0)
return;
m_counters[syntaxtag::B]--;
m_colors[syntaxtag::B] = "";
tag_close('B');
}
void color(string color_) {
auto color(color_);
if (color.length() == 2 || (color.find("#") == 0 && color.length() == 3)) {
color = "#" + color.substr(color.length() - 2);
auto bg = m_bar.foreground.hex();
color += bg.substr(bg.length() - (bg.length() < 6 ? 3 : 6));
} else if (color.length() >= 7 && color == "#" + string(color.length() - 1, color[1])) {
color = color.substr(0, 4);
}
if (color.empty() && m_counters[syntaxtag::F] > 0)
color_close(true);
if (color.empty() || color == m_colors[syntaxtag::F])
return;
if (m_lazy && m_counters[syntaxtag::F] > 0)
color_close(true);
m_counters[syntaxtag::F]++;
m_colors[syntaxtag::F] = color;
tag_open('F', color);
}
void color_alpha(string alpha_) {
auto alpha(alpha_);
string val = m_bar.foreground.hex();
if (alpha.find("#") == std::string::npos) {
alpha = "#" + alpha;
}
if (alpha.size() == 4) {
color(alpha);
return;
}
if (val.size() < 6 && val.size() > 2) {
val.append(val.substr(val.size() - 3));
}
color((alpha.substr(0, 3) + val.substr(val.size() - 6)).substr(0, 9));
}
void color_close(bool force = false) {
if ((!force && m_lazy) || m_counters[syntaxtag::F] <= 0)
return;
m_counters[syntaxtag::F]--;
m_colors[syntaxtag::F] = "";
tag_close('F');
}
void line_color(string color) {
if (color.empty() && m_counters[syntaxtag::U] > 0)
line_color_close(true);
if (color.empty() || color == m_colors[syntaxtag::U])
return;
if (m_lazy && m_counters[syntaxtag::U] > 0)
line_color_close(true);
m_counters[syntaxtag::U]++;
m_colors[syntaxtag::U] = color;
tag_open('U', color);
}
void line_color_close(bool force = false) {
if ((!force && m_lazy) || m_counters[syntaxtag::U] <= 0)
return;
m_counters[syntaxtag::U]--;
m_colors[syntaxtag::U] = "";
tag_close('U');
}
void overline(string color = "") {
if (!color.empty())
line_color(color);
if (m_counters[syntaxtag::o] > 0)
return;
m_counters[syntaxtag::o]++;
append("%{+o}");
}
void overline_close(bool force = false) {
if ((!force && m_lazy) || m_counters[syntaxtag::o] <= 0)
return;
m_counters[syntaxtag::o]--;
append("%{-o}");
}
void underline(string color = "") {
if (!color.empty())
line_color(color);
if (m_counters[syntaxtag::u] > 0)
return;
m_counters[syntaxtag::u]++;
append("%{+u}");
}
void underline_close(bool force = false) {
if ((!force && m_lazy) || m_counters[syntaxtag::u] <= 0)
return;
m_counters[syntaxtag::u]--;
append("%{-u}");
}
void cmd(mousebtn index, string action, bool condition = true) {
int button = static_cast<int>(index);
if (!condition || action.empty())
return;
action = string_util::replace_all(action, ":", "\\:");
action = string_util::replace_all(action, "$", "\\$");
action = string_util::replace_all(action, "}", "\\}");
action = string_util::replace_all(action, "{", "\\{");
action = string_util::replace_all(action, "%", "\x0025");
append("%{A" + std::to_string(button) + ":" + action + ":}");
m_counters[syntaxtag::A]++;
}
void cmd_close(bool force = false) {
if (m_counters[syntaxtag::A] > 0 || force)
append("%{A}");
if (m_counters[syntaxtag::A] > 0)
m_counters[syntaxtag::A]--;
}
protected:
void tag_open(char tag, string value) {
append("%{" + string({tag}) + value + "}");
}
void tag_close(char tag) {
append("%{" + string({tag}) + "-}");
}
private:
const bar_settings m_bar;
string m_output;
bool m_lazy = true;
map<syntaxtag, int> m_counters{
// clang-format off
{syntaxtag::A, 0},
{syntaxtag::B, 0},
{syntaxtag::F, 0},
{syntaxtag::T, 0},
{syntaxtag::U, 0},
{syntaxtag::O, 0},
{syntaxtag::R, 0},
// clang-format on
};
map<syntaxtag, string> m_colors{
// clang-format off
{syntaxtag::B, ""},
{syntaxtag::F, ""},
{syntaxtag::U, ""},
// clang-format on
};
int m_fontindex = 1;
};
LEMONBUDDY_NS_END;