mirror of
https://github.com/aristocratos/btop.git
synced 2024-06-01 18:19:56 +12:00
281 lines
8.9 KiB
C++
281 lines
8.9 KiB
C++
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/* Copyright 2021 Aristocratos (jakob@qvantnet.com)
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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indent = tab
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tab-size = 4
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*/
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#include <array>
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#include <map>
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#include <ranges>
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#include <algorithm>
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#include <cmath>
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#include <btop_draw.h>
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#include <btop_config.h>
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#include <btop_theme.h>
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#include <btop_tools.h>
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using robin_hood::unordered_flat_map, std::round, std::views::iota,
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std::string_literals::operator""s, std::clamp, std::array, std::floor;
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namespace rng = std::ranges;
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namespace Symbols {
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const string h_line = "─";
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const string v_line = "│";
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const string left_up = "┌";
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const string right_up = "┐";
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const string left_down = "└";
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const string right_down = "┘";
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const string title_left = "┤";
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const string title_right = "├";
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const string div_up = "┬";
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const string div_down = "┴";
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const string meter = "■";
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const array<string, 10> superscript = { "⁰", "¹", "²", "³", "⁴", "⁵", "⁶", "⁷", "⁸", "⁹" };
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const unordered_flat_map<string, vector<string>> graph_symbols = {
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{ "braille_up", {
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" ", "⢀", "⢠", "⢰", "⢸",
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"⡀", "⣀", "⣠", "⣰", "⣸",
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"⡄", "⣄", "⣤", "⣴", "⣼",
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"⡆", "⣆", "⣦", "⣶", "⣾",
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"⡇", "⣇", "⣧", "⣷", "⣿"
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}},
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{"braille_down", {
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" ", "⠈", "⠘", "⠸", "⢸",
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"⠁", "⠉", "⠙", "⠹", "⢹",
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"⠃", "⠋", "⠛", "⠻", "⢻",
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"⠇", "⠏", "⠟", "⠿", "⢿",
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"⡇", "⡏", "⡟", "⡿", "⣿"
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}},
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{"block_up", {
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" ", "▗", "▗", "▐", "▐",
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"▖", "▄", "▄", "▟", "▟",
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"▖", "▄", "▄", "▟", "▟",
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"▌", "▙", "▙", "█", "█",
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"▌", "▙", "▙", "█", "█"
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}},
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{"block_down", {
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" ", "▝", "▝", "▐", "▐",
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"▘", "▀", "▀", "▜", "▜",
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"▘", "▀", "▀", "▜", "▜",
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"▌", "▛", "▛", "█", "█",
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"▌", "▛", "▛", "█", "█"
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}},
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{"tty_up", {
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" ", "░", "░", "▒", "▒",
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"░", "░", "▒", "▒", "█",
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"░", "▒", "▒", "▒", "█",
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"▒", "▒", "▒", "█", "█",
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"▒", "█", "█", "█", "█"
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}},
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{"tty_down", {
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" ", "░", "░", "▒", "▒",
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"░", "░", "▒", "▒", "█",
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"░", "▒", "▒", "▒", "█",
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"▒", "▒", "▒", "█", "█",
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"▒", "█", "█", "█", "█"
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}}
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};
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}
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namespace Draw {
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using namespace Tools;
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//* Create a box using values from a BoxConf struct and return as a string
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string createBox(BoxConf c){
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string out;
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string lcolor = (c.line_color.empty()) ? Theme::c("div_line") : c.line_color;
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string numbering = (c.num == 0) ? "" : Theme::c("hi_fg") + Symbols::superscript[c.num];
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out = Fx::reset + lcolor;
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//* Draw horizontal lines
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for (uint hpos : {c.y, c.y + c.height - 1}){
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out += Mv::to(hpos, c.x) + Symbols::h_line * (c.width - 1);
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}
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//* Draw vertical lines and fill if enabled
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for (uint hpos : iota(c.y + 1, c.y + c.height - 1)){
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out += Mv::to(hpos, c.x) + Symbols::v_line +
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((c.fill) ? string(c.width - 2, ' ') : Mv::r(c.width - 2)) +
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Symbols::v_line;
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}
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//* Draw corners
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out += Mv::to(c.y, c.x) + Symbols::left_up +
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Mv::to(c.y, c.x + c.width - 1) + Symbols::right_up +
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Mv::to(c.y + c.height - 1, c.x) + Symbols::left_down +
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Mv::to(c.y + c.height - 1, c.x + c.width - 1) + Symbols::right_down;
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//* Draw titles if defined
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if (!c.title.empty()){
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out += Mv::to(c.y, c.x + 2) + Symbols::title_left + Fx::b + numbering + Theme::c("title") + c.title +
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Fx::ub + lcolor + Symbols::title_right;
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}
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if (!c.title2.empty()){
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out += Mv::to(c.y + c.height - 1, c.x + 2) + Symbols::title_left + Theme::c("title") + c.title2 +
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Fx::ub + lcolor + Symbols::title_right;
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}
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return out + Fx::reset + Mv::to(c.y + 1, c.x + 1);
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}
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void Meter::operator()(int width, string color_gradient, bool invert) {
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this->width = width;
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this->color_gradient = color_gradient;
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this->invert = invert;
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cache.clear();
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cache.insert(cache.begin(), 101, "");
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}
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string Meter::operator()(int value) {
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if (width < 1) return "";
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value = clamp(value, 0, 100);
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if (!cache.at(value).empty()) return cache.at(value);
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string& out = cache.at(value);
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for (int i : iota(1, width + 1)) {
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int y = round((double)i * 100.0 / width);
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if (value >= y)
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out += Theme::g(color_gradient)[invert ? 100 - y : y] + Symbols::meter;
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else {
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out += Theme::c("meter_bg") + Symbols::meter * (width + 1 - i);
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break;
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}
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}
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out += Fx::reset;
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return out;
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}
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void Graph::_create(const vector<long long>& data, int data_offset) {
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const bool mult = (data.size() - data_offset > 1);
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if (mult && (data.size() - data_offset) % 2 != 0) data_offset--;
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auto& graph_symbol = Symbols::graph_symbols.at(symbol + '_' + (invert ? "down" : "up"));
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array<int, 2> result;
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const float mod = (height == 1) ? 0.3 : 0.1;
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long long data_value = 0;
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if (mult && data_offset > 0) {
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last = data[data_offset - 1];
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if (max_value > 0) last = clamp((last + offset) * 100 / max_value, 0ll, 100ll);
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}
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//? Horizontal iteration over values in <data>
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for (int i : iota(data_offset, (int)data.size())) {
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if (tty_mode && mult && i % 2 != 0) continue;
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else if (!tty_mode) current = !current;
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if (i == -1) { data_value = 0; last = 0; }
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else data_value = data[i];
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if (max_value > 0) data_value = clamp((data_value + offset) * 100 / max_value, 0ll, 100ll);
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//? Vertical iteration over height of graph
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for (int horizon : iota(0, height)){
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int cur_high = (height > 1) ? round(100.0 * (height - horizon) / height) : 100;
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int cur_low = (height > 1) ? round(100.0 * (height - (horizon + 1)) / height) : 0;
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//? Calculate previous + current value to fit two values in 1 braille character
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int ai = 0;
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for (auto value : {last, data_value}) {
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if (value >= cur_high)
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result[ai++] = 4;
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else if (value <= cur_low)
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result[ai++] = 0;
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else {
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result[ai++] = round((float)(value - cur_low) * 4 / (cur_high - cur_low) + mod);
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if (no_zero && horizon == height - 1 && i != -1 && result[ai] == 0) result[ai] = 1;
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}
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}
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//? Generate braille symbol from 5x5 2D vector
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graphs[current][horizon] += (height == 1 && result[0] + result[1] == 0) ? Mv::r(1) : graph_symbol[(result[0] * 5 + result[1])];
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}
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if (mult && i > data_offset) last = data_value;
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}
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last = data_value;
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if (height == 1)
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out = (last < 1 ? Theme::c("inactive_fg") : Theme::g(color_gradient)[last]) + graphs[current][0];
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else {
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out.clear();
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for (int i : iota(0, height)) {
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if (i > 0) out += Mv::d(1) + Mv::l(width);
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out += (invert) ? Theme::g(color_gradient)[i * 100 / (height - 1)] : Theme::g(color_gradient)[100 - (i * 100 / (height - 1))];
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out += (invert) ? graphs[current][ (height - 1) - i] : graphs[current][i];
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}
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}
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out += Fx::reset;
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}
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void Graph::operator()(int width, int height, string color_gradient, const vector<long long>& data, string symbol, bool invert, bool no_zero, long long max_value, long long offset) {
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graphs[true].clear(); graphs[false].clear();
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this->width = width; this->height = height;
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this->invert = invert; this->offset = offset;
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this->no_zero = no_zero;
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this->color_gradient = color_gradient;
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if (Config::getB("tty_mode") || symbol == "tty") {
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tty_mode = true;
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this->symbol = "tty";
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}
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else if (symbol != "default" && v_contains(Config::valid_graph_symbols, symbol)) this->symbol = symbol;
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else this->symbol = Config::getS("graph_symbol");
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if (max_value == 0 && offset > 0) max_value = 100;
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this->max_value = max_value;
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int value_width = ceil((float)data.size() / 2);
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int data_offset = 0;
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if (value_width > width) data_offset = data.size() - width * 2;
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//? Populate the two switching graph vectors and fill empty space if data size < width
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for (int i : iota(0, height * 2)) {
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graphs[(i % 2 != 0)].push_back((value_width < width) ? ((height == 1) ? Mv::r(1) : " "s) * (width - value_width) : "");
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}
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if (data.size() == 0) return;
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this->_create(data, data_offset);
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}
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string& Graph::operator()(const vector<long long>& data, bool data_same) {
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if (data_same) return out;
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//? Make room for new characters on graph
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bool select_graph = (tty_mode ? current : !current);
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for (int i : iota(0, height)) {
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if (graphs[select_graph][i].starts_with(Fx::e)) graphs[current][i].erase(0, 4);
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else graphs[select_graph][i].erase(0, 3);
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}
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this->_create(data, (int)data.size() - 1);
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return out;
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}
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string& Graph::operator()() {
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return out;
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}
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}
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namespace Box {
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}
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namespace Proc {
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// Draw::BoxConf box;
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}
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