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1253 lines
44 KiB
C++
1253 lines
44 KiB
C++
/**
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* Copyright (c) 2007-2012, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* @file view_curses.cc
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*/
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#ifdef __CYGWIN__
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# include <alloca.h>
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#endif
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#include <chrono>
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#include <cmath>
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#include <string>
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#include "base/ansi_scrubber.hh"
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#include "base/attr_line.hh"
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#include "base/itertools.hh"
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#include "base/lnav_log.hh"
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#include "config.h"
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#include "lnav_config.hh"
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#include "shlex.hh"
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#include "view_curses.hh"
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#if defined HAVE_NCURSESW_CURSES_H
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# include <ncursesw/term.h>
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#elif defined HAVE_NCURSESW_H
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# include <term.h>
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#elif defined HAVE_NCURSES_CURSES_H
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# include <ncurses/term.h>
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#elif defined HAVE_NCURSES_H
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# include <term.h>
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#elif defined HAVE_CURSES_H
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# include <term.h>
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#else
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# error "SysV or X/Open-compatible Curses header file required"
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#endif
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using namespace std::chrono_literals;
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const struct itimerval ui_periodic_timer::INTERVAL = {
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{0, std::chrono::duration_cast<std::chrono::microseconds>(350ms).count()},
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{0, std::chrono::duration_cast<std::chrono::microseconds>(350ms).count()},
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};
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ui_periodic_timer::ui_periodic_timer() : upt_counter(0)
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{
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struct sigaction sa;
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sa.sa_handler = ui_periodic_timer::sigalrm;
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sa.sa_flags = SA_RESTART;
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sigemptyset(&sa.sa_mask);
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sigaction(SIGALRM, &sa, nullptr);
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if (setitimer(ITIMER_REAL, &INTERVAL, nullptr) == -1) {
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perror("setitimer");
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}
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}
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ui_periodic_timer&
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ui_periodic_timer::singleton()
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{
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static ui_periodic_timer retval;
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return retval;
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}
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void
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ui_periodic_timer::sigalrm(int sig)
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{
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singleton().upt_counter += 1;
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}
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alerter&
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alerter::singleton()
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{
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static alerter retval;
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return retval;
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}
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bool
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alerter::chime(std::string msg)
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{
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if (!this->a_enabled) {
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return true;
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}
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bool retval = this->a_do_flash;
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if (this->a_do_flash) {
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log_warning("chime message: %s", msg.c_str());
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::flash();
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}
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this->a_do_flash = false;
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return retval;
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}
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struct utf_to_display_adjustment {
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int uda_origin;
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int uda_offset;
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utf_to_display_adjustment(int utf_origin, int offset)
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: uda_origin(utf_origin), uda_offset(offset){
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};
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};
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void
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view_curses::awaiting_user_input()
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{
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static const bool enabled = getenv("lnav_test") != nullptr;
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static const char OSC_INPUT[] = "\x1b]999;send-input\a";
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if (enabled) {
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write(STDOUT_FILENO, OSC_INPUT, sizeof(OSC_INPUT) - 1);
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}
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}
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size_t
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view_curses::mvwattrline(WINDOW* window,
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int y,
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int x,
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attr_line_t& al,
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const struct line_range& lr_chars,
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role_t base_role)
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{
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auto& sa = al.get_attrs();
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auto& line = al.get_string();
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std::vector<utf_to_display_adjustment> utf_adjustments;
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std::string full_line;
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require(lr_chars.lr_end >= 0);
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auto line_width_chars = lr_chars.length();
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std::string expanded_line;
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short* fg_color = (short*) alloca(line_width_chars * sizeof(short));
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bool has_fg = false;
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short* bg_color = (short*) alloca(line_width_chars * sizeof(short));
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bool has_bg = false;
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line_range lr_bytes;
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int char_index = 0;
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for (size_t lpc = 0; lpc < line.size(); lpc++) {
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int exp_start_index = expanded_line.size();
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auto ch = static_cast<unsigned char>(line[lpc]);
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if (char_index == lr_chars.lr_start) {
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lr_bytes.lr_start = exp_start_index;
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} else if (char_index == lr_chars.lr_end) {
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lr_bytes.lr_end = exp_start_index;
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}
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switch (ch) {
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case '\t': {
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do {
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expanded_line.push_back(' ');
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char_index += 1;
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} while (expanded_line.size() % 8);
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utf_adjustments.emplace_back(
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lpc, expanded_line.size() - exp_start_index - 1);
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break;
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}
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case '\r':
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case '\n':
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expanded_line.push_back(' ');
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char_index += 1;
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break;
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default: {
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auto size_result = ww898::utf::utf8::char_size([&line, lpc]() {
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return std::make_pair(line[lpc], line.length() - lpc - 1);
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});
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if (size_result.isErr()) {
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expanded_line.push_back('?');
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} else {
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auto offset = 1 - (int) size_result.unwrap();
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expanded_line.push_back(ch);
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if (offset) {
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#if 0
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if (char_index < lr_chars.lr_start) {
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lr_bytes.lr_start += abs(offset);
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}
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if (char_index < lr_chars.lr_end) {
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lr_bytes.lr_end += abs(offset);
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}
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#endif
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utf_adjustments.emplace_back(lpc, offset);
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for (; offset && (lpc + 1) < line.size();
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lpc++, offset++)
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{
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expanded_line.push_back(line[lpc + 1]);
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}
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}
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}
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char_index += 1;
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break;
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}
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}
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}
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if (lr_bytes.lr_start == -1) {
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lr_bytes.lr_start = expanded_line.size();
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}
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if (lr_bytes.lr_end == -1) {
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lr_bytes.lr_end = expanded_line.size();
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}
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size_t retval = expanded_line.size() - lr_bytes.lr_end;
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full_line = expanded_line;
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auto& vc = view_colors::singleton();
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auto text_role_attrs = vc.attrs_for_role(role_t::VCR_TEXT);
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auto attrs = vc.attrs_for_role(base_role);
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wmove(window, y, x);
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wattr_set(window,
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attrs.ta_attrs,
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vc.ensure_color_pair(attrs.ta_fg_color, attrs.ta_bg_color),
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nullptr);
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if (lr_bytes.lr_start < (int) full_line.size()) {
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waddnstr(
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window, &full_line.c_str()[lr_bytes.lr_start], lr_bytes.length());
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}
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if (lr_chars.lr_end > char_index) {
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whline(window, ' ', lr_chars.lr_end - char_index);
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}
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std::stable_sort(sa.begin(), sa.end());
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for (auto iter = sa.begin(); iter != sa.end(); ++iter) {
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auto attr_range = iter->sa_range;
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require(attr_range.lr_start >= 0);
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require(attr_range.lr_end >= -1);
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if (!(iter->sa_type == &VC_ROLE || iter->sa_type == &VC_ROLE_FG
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|| iter->sa_type == &VC_STYLE || iter->sa_type == &VC_GRAPHIC
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|| iter->sa_type == &SA_LEVEL || iter->sa_type == &VC_FOREGROUND
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|| iter->sa_type == &VC_BACKGROUND))
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{
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continue;
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}
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if (attr_range.lr_unit == line_range::unit::bytes) {
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for (const auto& adj : utf_adjustments) {
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// If the UTF adjustment is in the viewport, we need to adjust
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// this attribute.
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if (adj.uda_origin < iter->sa_range.lr_start) {
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attr_range.lr_start += adj.uda_offset;
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}
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}
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if (attr_range.lr_end != -1) {
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for (const auto& adj : utf_adjustments) {
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if (adj.uda_origin < iter->sa_range.lr_end) {
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attr_range.lr_end += adj.uda_offset;
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}
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}
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}
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}
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if (attr_range.lr_end == -1) {
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attr_range.lr_end = lr_chars.lr_start + line_width_chars;
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}
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if (attr_range.lr_end < lr_chars.lr_start) {
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continue;
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}
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attr_range.lr_start
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= std::max(0, attr_range.lr_start - lr_chars.lr_start);
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if (attr_range.lr_start > line_width_chars) {
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continue;
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}
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attr_range.lr_end
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= std::min(line_width_chars, attr_range.lr_end - lr_chars.lr_start);
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if (iter->sa_type == &VC_FOREGROUND) {
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if (!has_fg) {
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memset(fg_color, -1, line_width_chars * sizeof(short));
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}
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short attr_fg = iter->sa_value.get<int64_t>();
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if (attr_fg == view_colors::MATCH_COLOR_SEMANTIC) {
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attr_fg = vc.color_for_ident(al.to_string_fragment(iter))
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.value_or(view_colors::MATCH_COLOR_DEFAULT);
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} else if (attr_fg < 8) {
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attr_fg = vc.ansi_to_theme_color(attr_fg);
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}
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std::fill(&fg_color[attr_range.lr_start],
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&fg_color[attr_range.lr_end],
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attr_fg);
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has_fg = true;
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continue;
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}
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if (iter->sa_type == &VC_BACKGROUND) {
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if (!has_bg) {
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memset(bg_color, -1, line_width_chars * sizeof(short));
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}
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short attr_bg = iter->sa_value.get<int64_t>();
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if (attr_bg == view_colors::MATCH_COLOR_SEMANTIC) {
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attr_bg = vc.color_for_ident(al.to_string_fragment(iter))
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.value_or(view_colors::MATCH_COLOR_DEFAULT);
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}
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std::fill(bg_color + attr_range.lr_start,
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bg_color + attr_range.lr_end,
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attr_bg);
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has_bg = true;
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continue;
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}
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if (attr_range.lr_start < attr_range.lr_end) {
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int awidth = attr_range.length();
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nonstd::optional<char> graphic;
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if (iter->sa_type == &VC_GRAPHIC) {
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graphic = iter->sa_value.get<int64_t>();
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attrs = text_attrs{};
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} else if (iter->sa_type == &VC_STYLE) {
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attrs = iter->sa_value.get<text_attrs>();
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} else if (iter->sa_type == &SA_LEVEL) {
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attrs = vc.attrs_for_level(
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(log_level_t) iter->sa_value.get<int64_t>());
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} else if (iter->sa_type == &VC_ROLE) {
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auto role = iter->sa_value.get<role_t>();
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attrs = vc.attrs_for_role(role);
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} else if (iter->sa_type == &VC_ROLE_FG) {
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auto role_attrs
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= vc.attrs_for_role(iter->sa_value.get<role_t>());
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attrs.ta_fg_color = role_attrs.ta_fg_color;
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}
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if (graphic || !attrs.empty()) {
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int x_pos = x + attr_range.lr_start;
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int ch_width = std::min(
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awidth, (line_width_chars - attr_range.lr_start));
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cchar_t row_ch[ch_width + 1];
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if (attrs.ta_attrs & (A_LEFT | A_RIGHT)) {
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if (attrs.ta_attrs & A_LEFT) {
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attrs.ta_fg_color
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= vc.color_for_ident(al.to_string_fragment(iter));
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}
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if (attrs.ta_attrs & A_RIGHT) {
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attrs.ta_bg_color
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= vc.color_for_ident(al.to_string_fragment(iter));
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}
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attrs.ta_attrs &= ~(A_LEFT | A_RIGHT);
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}
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if (attrs.ta_fg_color) {
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if (!has_fg) {
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memset(fg_color, -1, line_width_chars * sizeof(short));
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}
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std::fill(&fg_color[attr_range.lr_start],
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&fg_color[attr_range.lr_end],
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attrs.ta_fg_color.value());
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has_fg = true;
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}
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if (attrs.ta_bg_color) {
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if (!has_bg) {
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memset(bg_color, -1, line_width_chars * sizeof(short));
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}
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std::fill(&bg_color[attr_range.lr_start],
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&bg_color[attr_range.lr_end],
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attrs.ta_bg_color.value());
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has_bg = true;
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}
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mvwin_wchnstr(window, y, x_pos, row_ch, ch_width);
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for (int lpc = 0; lpc < ch_width; lpc++) {
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bool clear_rev = false;
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if (graphic) {
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row_ch[lpc].chars[0] = graphic.value();
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row_ch[lpc].attr |= A_ALTCHARSET;
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}
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if (row_ch[lpc].attr & A_REVERSE
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&& attrs.ta_attrs & A_REVERSE)
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{
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clear_rev = true;
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}
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row_ch[lpc].attr |= attrs.ta_attrs;
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if (clear_rev) {
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row_ch[lpc].attr &= ~A_REVERSE;
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}
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}
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mvwadd_wchnstr(window, y, x_pos, row_ch, ch_width);
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}
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}
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}
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if (has_fg || has_bg) {
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if (!has_fg) {
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memset(fg_color, -1, line_width_chars * sizeof(short));
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}
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if (!has_bg) {
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memset(bg_color, -1, line_width_chars * sizeof(short));
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}
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int ch_width = lr_chars.length();
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cchar_t row_ch[ch_width + 1];
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mvwin_wchnstr(window, y, x, row_ch, ch_width);
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for (int lpc = 0; lpc < ch_width; lpc++) {
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if (fg_color[lpc] == -1 && bg_color[lpc] == -1) {
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continue;
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}
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#ifdef NCURSES_EXT_COLORS
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auto cur_pair = row_ch[lpc].ext_color;
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#else
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auto cur_pair = PAIR_NUMBER(row_ch[lpc].attr);
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#endif
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short cur_fg, cur_bg;
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pair_content(cur_pair, &cur_fg, &cur_bg);
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if (fg_color[lpc] == -1) {
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fg_color[lpc] = cur_fg;
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}
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if (bg_color[lpc] == -1) {
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bg_color[lpc] = cur_bg;
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}
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int color_pair = vc.ensure_color_pair(fg_color[lpc], bg_color[lpc]);
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row_ch[lpc].attr = row_ch[lpc].attr & ~A_COLOR;
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#ifdef NCURSES_EXT_COLORS
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row_ch[lpc].ext_color = color_pair;
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#else
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row_ch[lpc].attr |= COLOR_PAIR(color_pair);
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#endif
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}
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mvwadd_wchnstr(window, y, x, row_ch, ch_width);
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}
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return retval;
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}
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constexpr short view_colors::MATCH_COLOR_DEFAULT;
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constexpr short view_colors::MATCH_COLOR_SEMANTIC;
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view_colors&
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view_colors::singleton()
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{
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static view_colors s_vc;
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return s_vc;
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}
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view_colors::view_colors() : vc_dyn_pairs(0)
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{
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size_t color_index = 0;
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for (int z = 0; z < 6; z++) {
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for (int x = 1; x < 6; x += 2) {
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for (int y = 1; y < 6; y += 2) {
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short fg = 16 + x + (y * 6) + (z * 6 * 6);
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this->vc_highlight_colors[color_index++] = fg;
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}
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}
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}
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}
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|
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bool view_colors::initialized = false;
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|
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static std::string COLOR_NAMES[] = {
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"black",
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"red",
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"green",
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"yellow",
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"blue",
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"magenta",
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"cyan",
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"white",
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};
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|
|
class color_listener : public lnav_config_listener {
|
|
public:
|
|
color_listener() : lnav_config_listener(__FILE__) {}
|
|
|
|
void reload_config(error_reporter& reporter) override
|
|
{
|
|
if (!view_colors::initialized) {
|
|
view_colors::vc_active_palette = ansi_colors();
|
|
}
|
|
|
|
auto& vc = view_colors::singleton();
|
|
|
|
for (const auto& pair : lnav_config.lc_ui_theme_defs) {
|
|
vc.init_roles(pair.second, reporter);
|
|
}
|
|
|
|
auto iter = lnav_config.lc_ui_theme_defs.find(lnav_config.lc_ui_theme);
|
|
|
|
if (iter == lnav_config.lc_ui_theme_defs.end()) {
|
|
auto theme_names
|
|
= lnav_config.lc_ui_theme_defs | lnav::itertools::first();
|
|
|
|
reporter(&lnav_config.lc_ui_theme,
|
|
lnav::console::user_message::error(
|
|
attr_line_t("unknown theme -- ")
|
|
.append_quoted(lnav_config.lc_ui_theme))
|
|
.with_help(attr_line_t("The available themes are: ")
|
|
.join(theme_names, ", ")));
|
|
|
|
vc.init_roles(lnav_config.lc_ui_theme_defs["default"], reporter);
|
|
return;
|
|
}
|
|
|
|
if (view_colors::initialized) {
|
|
vc.init_roles(iter->second, reporter);
|
|
}
|
|
}
|
|
};
|
|
|
|
static color_listener _COLOR_LISTENER;
|
|
term_color_palette* view_colors::vc_active_palette;
|
|
|
|
void
|
|
view_colors::init(bool headless)
|
|
{
|
|
vc_active_palette = ansi_colors();
|
|
if (!headless && has_colors()) {
|
|
start_color();
|
|
|
|
if (lnav_config.lc_ui_default_colors) {
|
|
use_default_colors();
|
|
}
|
|
if (COLORS >= 256) {
|
|
vc_active_palette = xterm_colors();
|
|
}
|
|
}
|
|
|
|
log_debug("COLOR_PAIRS = %d", COLOR_PAIRS);
|
|
|
|
initialized = true;
|
|
|
|
{
|
|
auto reporter
|
|
= [](const void*, const lnav::console::user_message& um) {};
|
|
|
|
_COLOR_LISTENER.reload_config(reporter);
|
|
}
|
|
}
|
|
|
|
inline text_attrs
|
|
attr_for_colors(nonstd::optional<short> fg, nonstd::optional<short> bg)
|
|
{
|
|
if (fg && fg.value() == -1) {
|
|
fg = COLOR_WHITE;
|
|
}
|
|
if (bg && bg.value() == -1) {
|
|
bg = COLOR_BLACK;
|
|
}
|
|
|
|
if (lnav_config.lc_ui_default_colors) {
|
|
if (fg && fg.value() == COLOR_WHITE) {
|
|
fg = -1;
|
|
}
|
|
if (bg && bg.value() == COLOR_BLACK) {
|
|
bg = -1;
|
|
}
|
|
}
|
|
|
|
text_attrs retval;
|
|
|
|
if (fg && fg.value() == view_colors::MATCH_COLOR_SEMANTIC) {
|
|
retval.ta_attrs |= A_LEFT;
|
|
} else {
|
|
retval.ta_fg_color = fg;
|
|
}
|
|
if (bg && bg.value() == view_colors::MATCH_COLOR_SEMANTIC) {
|
|
retval.ta_attrs |= A_RIGHT;
|
|
} else {
|
|
retval.ta_bg_color = bg;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
view_colors::role_attrs
|
|
view_colors::to_attrs(const lnav_theme& lt,
|
|
const positioned_property<style_config>& pp_sc,
|
|
lnav_config_listener::error_reporter& reporter)
|
|
{
|
|
const auto& sc = pp_sc.pp_value;
|
|
std::string fg1, bg1, fg_color, bg_color;
|
|
intern_string_t role_class;
|
|
|
|
if (!pp_sc.pp_path.empty()) {
|
|
auto role_class_path
|
|
= ghc::filesystem::path(pp_sc.pp_path.to_string()).parent_path();
|
|
auto inner = role_class_path.filename().string();
|
|
auto outer = role_class_path.parent_path().filename().string();
|
|
|
|
role_class = intern_string::lookup(
|
|
fmt::format(FMT_STRING("-lnav_{}_{}"), outer, inner));
|
|
}
|
|
|
|
fg1 = sc.sc_color;
|
|
bg1 = sc.sc_background_color;
|
|
std::map<std::string, scoped_value_t> vars;
|
|
for (const auto& vpair : lt.lt_vars) {
|
|
vars[vpair.first] = vpair.second;
|
|
}
|
|
shlex(fg1).eval(fg_color, scoped_resolver{&vars});
|
|
shlex(bg1).eval(bg_color, scoped_resolver{&vars});
|
|
|
|
auto fg = styling::color_unit::from_str(fg_color).unwrapOrElse(
|
|
[&](const auto& msg) {
|
|
reporter(
|
|
&sc.sc_color,
|
|
lnav::console::user_message::error(
|
|
attr_line_t("invalid color -- ").append_quoted(sc.sc_color))
|
|
.with_reason(msg));
|
|
return styling::color_unit::make_empty();
|
|
});
|
|
auto bg = styling::color_unit::from_str(bg_color).unwrapOrElse(
|
|
[&](const auto& msg) {
|
|
reporter(&sc.sc_background_color,
|
|
lnav::console::user_message::error(
|
|
attr_line_t("invalid background color -- ")
|
|
.append_quoted(sc.sc_background_color))
|
|
.with_reason(msg));
|
|
return styling::color_unit::make_empty();
|
|
});
|
|
|
|
text_attrs retval1
|
|
= attr_for_colors(this->match_color(fg), this->match_color(bg));
|
|
text_attrs retval2;
|
|
|
|
if (sc.sc_underline) {
|
|
retval1.ta_attrs |= A_UNDERLINE;
|
|
retval2.ta_attrs |= A_UNDERLINE;
|
|
}
|
|
if (sc.sc_bold) {
|
|
retval1.ta_attrs |= A_BOLD;
|
|
retval2.ta_attrs |= A_BOLD;
|
|
}
|
|
|
|
return {retval1, retval2, role_class};
|
|
}
|
|
|
|
void
|
|
view_colors::init_roles(const lnav_theme& lt,
|
|
lnav_config_listener::error_reporter& reporter)
|
|
{
|
|
rgb_color fg, bg;
|
|
std::string err;
|
|
|
|
/* Setup the mappings from roles to actual colors. */
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_TEXT)]
|
|
= this->to_attrs(lt, lt.lt_style_text, reporter);
|
|
|
|
for (int ansi_fg = 0; ansi_fg < 8; ansi_fg++) {
|
|
for (int ansi_bg = 0; ansi_bg < 8; ansi_bg++) {
|
|
if (ansi_fg == 0 && ansi_bg == 0) {
|
|
continue;
|
|
}
|
|
|
|
auto fg_iter = lt.lt_vars.find(COLOR_NAMES[ansi_fg]);
|
|
auto bg_iter = lt.lt_vars.find(COLOR_NAMES[ansi_bg]);
|
|
auto fg_str = fg_iter == lt.lt_vars.end() ? "" : fg_iter->second;
|
|
auto bg_str = bg_iter == lt.lt_vars.end() ? "" : bg_iter->second;
|
|
|
|
auto rgb_fg = rgb_color::from_str(fg_str).unwrapOrElse(
|
|
[&](const auto& msg) {
|
|
reporter(&fg_str,
|
|
lnav::console::user_message::error(
|
|
attr_line_t("invalid color -- ")
|
|
.append_quoted(fg_str))
|
|
.with_reason(msg));
|
|
return rgb_color{};
|
|
});
|
|
auto rgb_bg = rgb_color::from_str(bg_str).unwrapOrElse(
|
|
[&](const auto& msg) {
|
|
reporter(&bg_str,
|
|
lnav::console::user_message::error(
|
|
attr_line_t("invalid background color -- ")
|
|
.append_quoted(bg_str))
|
|
.with_reason(msg));
|
|
return rgb_color{};
|
|
});
|
|
|
|
short fg = vc_active_palette->match_color(lab_color(rgb_fg));
|
|
short bg = vc_active_palette->match_color(lab_color(rgb_bg));
|
|
|
|
if (rgb_fg.empty()) {
|
|
fg = ansi_fg;
|
|
}
|
|
if (rgb_bg.empty()) {
|
|
bg = ansi_bg;
|
|
}
|
|
|
|
this->vc_ansi_to_theme[ansi_fg] = fg;
|
|
if (lnav_config.lc_ui_default_colors && bg == COLOR_BLACK) {
|
|
bg = -1;
|
|
if (fg == COLOR_WHITE) {
|
|
fg = -1;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lnav_config.lc_ui_dim_text) {
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_TEXT)]
|
|
.ra_normal.ta_attrs
|
|
|= A_DIM;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_TEXT)]
|
|
.ra_reverse.ta_attrs
|
|
|= A_DIM;
|
|
}
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_SEARCH)]
|
|
= role_attrs{text_attrs{A_REVERSE}, text_attrs{A_REVERSE}};
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_SEARCH)]
|
|
.ra_class_name
|
|
= intern_string::lookup("-lnav_styles_search");
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_IDENTIFIER)]
|
|
= this->to_attrs(lt, lt.lt_style_identifier, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_OK)]
|
|
= this->to_attrs(lt, lt.lt_style_ok, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_INFO)]
|
|
= this->to_attrs(lt, lt.lt_style_info, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ERROR)]
|
|
= this->to_attrs(lt, lt.lt_style_error, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_WARNING)]
|
|
= this->to_attrs(lt, lt.lt_style_warning, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ALT_ROW)]
|
|
= this->to_attrs(lt, lt.lt_style_alt_text, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_HIDDEN)]
|
|
= this->to_attrs(lt, lt.lt_style_hidden, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_CURSOR_LINE)]
|
|
= this->to_attrs(lt, lt.lt_style_cursor_line, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ADJUSTED_TIME)]
|
|
= this->to_attrs(lt, lt.lt_style_adjusted_time, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_SKEWED_TIME)]
|
|
= this->to_attrs(lt, lt.lt_style_skewed_time, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_OFFSET_TIME)]
|
|
= this->to_attrs(lt, lt.lt_style_offset_time, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_INVALID_MSG)]
|
|
= this->to_attrs(lt, lt.lt_style_invalid_msg, reporter);
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_STATUS)]
|
|
= this->to_attrs(lt, lt.lt_style_status, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_WARN_STATUS)]
|
|
= this->to_attrs(lt, lt.lt_style_warn_status, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ALERT_STATUS)]
|
|
= this->to_attrs(lt, lt.lt_style_alert_status, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ACTIVE_STATUS)]
|
|
= this->to_attrs(lt, lt.lt_style_active_status, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ACTIVE_STATUS2)]
|
|
= role_attrs{
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_ACTIVE_STATUS)]
|
|
.ra_normal,
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_ACTIVE_STATUS)]
|
|
.ra_reverse,
|
|
};
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ACTIVE_STATUS2)]
|
|
.ra_normal.ta_attrs
|
|
|= A_BOLD;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_ACTIVE_STATUS2)]
|
|
.ra_reverse.ta_attrs
|
|
|= A_BOLD;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_STATUS_TITLE)]
|
|
= this->to_attrs(lt, lt.lt_style_status_title, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_STATUS_SUBTITLE)]
|
|
= this->to_attrs(lt, lt.lt_style_status_subtitle, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_STATUS_INFO)]
|
|
= this->to_attrs(lt, lt.lt_style_status_info, reporter);
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_STATUS_HOTKEY)]
|
|
= this->to_attrs(lt, lt.lt_style_status_hotkey, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_TITLE_HOTKEY)]
|
|
= this->to_attrs(lt, lt.lt_style_status_title_hotkey, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_DISABLED_TITLE)]
|
|
= this->to_attrs(lt, lt.lt_style_status_disabled_title, reporter);
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_H1)]
|
|
= this->to_attrs(lt, lt.lt_style_header[0], reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_H2)]
|
|
= this->to_attrs(lt, lt.lt_style_header[1], reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_H3)]
|
|
= this->to_attrs(lt, lt.lt_style_header[2], reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_H4)]
|
|
= this->to_attrs(lt, lt.lt_style_header[3], reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_H5)]
|
|
= this->to_attrs(lt, lt.lt_style_header[4], reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_H6)]
|
|
= this->to_attrs(lt, lt.lt_style_header[5], reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_HR)]
|
|
= this->to_attrs(lt, lt.lt_style_hr, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_HYPERLINK)]
|
|
= this->to_attrs(lt, lt.lt_style_hyperlink, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_LIST_GLYPH)]
|
|
= this->to_attrs(lt, lt.lt_style_list_glyph, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_BREADCRUMB)]
|
|
= this->to_attrs(lt, lt.lt_style_breadcrumb, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_TABLE_BORDER)]
|
|
= this->to_attrs(lt, lt.lt_style_table_border, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_TABLE_HEADER)]
|
|
= this->to_attrs(lt, lt.lt_style_table_header, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_QUOTE_BORDER)]
|
|
= this->to_attrs(lt, lt.lt_style_quote_border, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_QUOTED_TEXT)]
|
|
= this->to_attrs(lt, lt.lt_style_quoted_text, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_FOOTNOTE_BORDER)]
|
|
= this->to_attrs(lt, lt.lt_style_footnote_border, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_FOOTNOTE_TEXT)]
|
|
= this->to_attrs(lt, lt.lt_style_footnote_text, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_SNIPPET_BORDER)]
|
|
= this->to_attrs(lt, lt.lt_style_snippet_border, reporter);
|
|
|
|
{
|
|
positioned_property<style_config> stitch_sc;
|
|
|
|
stitch_sc.pp_value.sc_color
|
|
= lt.lt_style_status_subtitle.pp_value.sc_background_color;
|
|
stitch_sc.pp_value.sc_background_color
|
|
= lt.lt_style_status_title.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_STITCH_TITLE_TO_SUB)]
|
|
= this->to_attrs(lt, stitch_sc, reporter);
|
|
}
|
|
{
|
|
positioned_property<style_config> stitch_sc;
|
|
|
|
stitch_sc.pp_value.sc_color
|
|
= lt.lt_style_status_title.pp_value.sc_background_color;
|
|
stitch_sc.pp_value.sc_background_color
|
|
= lt.lt_style_status_subtitle.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_STITCH_SUB_TO_TITLE)]
|
|
= this->to_attrs(lt, stitch_sc, reporter);
|
|
}
|
|
|
|
{
|
|
positioned_property<style_config> stitch_sc;
|
|
|
|
stitch_sc.pp_value.sc_color
|
|
= lt.lt_style_status.pp_value.sc_background_color;
|
|
stitch_sc.pp_value.sc_background_color
|
|
= lt.lt_style_status_subtitle.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_STITCH_SUB_TO_NORMAL)]
|
|
= this->to_attrs(lt, stitch_sc, reporter);
|
|
}
|
|
{
|
|
positioned_property<style_config> stitch_sc;
|
|
|
|
stitch_sc.pp_value.sc_color
|
|
= lt.lt_style_status_subtitle.pp_value.sc_background_color;
|
|
stitch_sc.pp_value.sc_background_color
|
|
= lt.lt_style_status.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_STITCH_NORMAL_TO_SUB)]
|
|
= this->to_attrs(lt, stitch_sc, reporter);
|
|
}
|
|
|
|
{
|
|
positioned_property<style_config> stitch_sc;
|
|
|
|
stitch_sc.pp_value.sc_color
|
|
= lt.lt_style_status.pp_value.sc_background_color;
|
|
stitch_sc.pp_value.sc_background_color
|
|
= lt.lt_style_status_title.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_STITCH_TITLE_TO_NORMAL)]
|
|
= this->to_attrs(lt, stitch_sc, reporter);
|
|
}
|
|
{
|
|
positioned_property<style_config> stitch_sc;
|
|
|
|
stitch_sc.pp_value.sc_color
|
|
= lt.lt_style_status_title.pp_value.sc_background_color;
|
|
stitch_sc.pp_value.sc_background_color
|
|
= lt.lt_style_status.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_STATUS_STITCH_NORMAL_TO_TITLE)]
|
|
= this->to_attrs(lt, stitch_sc, reporter);
|
|
}
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_INACTIVE_STATUS)]
|
|
= this->to_attrs(lt, lt.lt_style_inactive_status, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_INACTIVE_ALERT_STATUS)]
|
|
= this->to_attrs(lt, lt.lt_style_inactive_alert_status, reporter);
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_POPUP)]
|
|
= this->to_attrs(lt, lt.lt_style_popup, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_FOCUSED)]
|
|
= this->to_attrs(lt, lt.lt_style_focused, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_DISABLED_FOCUSED)]
|
|
= this->to_attrs(lt, lt.lt_style_disabled_focused, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_SCROLLBAR)]
|
|
= this->to_attrs(lt, lt.lt_style_scrollbar, reporter);
|
|
{
|
|
positioned_property<style_config> bar_sc;
|
|
|
|
bar_sc.pp_value.sc_color = lt.lt_style_error.pp_value.sc_color;
|
|
bar_sc.pp_value.sc_background_color
|
|
= lt.lt_style_scrollbar.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_SCROLLBAR_ERROR)]
|
|
= this->to_attrs(lt, bar_sc, reporter);
|
|
}
|
|
{
|
|
positioned_property<style_config> bar_sc;
|
|
|
|
bar_sc.pp_value.sc_color = lt.lt_style_warning.pp_value.sc_color;
|
|
bar_sc.pp_value.sc_background_color
|
|
= lt.lt_style_scrollbar.pp_value.sc_background_color;
|
|
this->vc_role_attrs[lnav::enums::to_underlying(
|
|
role_t::VCR_SCROLLBAR_WARNING)]
|
|
= this->to_attrs(lt, bar_sc, reporter);
|
|
}
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_QUOTED_CODE)]
|
|
= this->to_attrs(lt, lt.lt_style_quoted_code, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_CODE_BORDER)]
|
|
= this->to_attrs(lt, lt.lt_style_code_border, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_KEYWORD)]
|
|
= this->to_attrs(lt, lt.lt_style_keyword, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_STRING)]
|
|
= this->to_attrs(lt, lt.lt_style_string, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_COMMENT)]
|
|
= this->to_attrs(lt, lt.lt_style_comment, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_DOC_DIRECTIVE)]
|
|
= this->to_attrs(lt, lt.lt_style_doc_directive, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_VARIABLE)]
|
|
= this->to_attrs(lt, lt.lt_style_variable, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_SYMBOL)]
|
|
= this->to_attrs(lt, lt.lt_style_symbol, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_NUMBER)]
|
|
= this->to_attrs(lt, lt.lt_style_number, reporter);
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_RE_SPECIAL)]
|
|
= this->to_attrs(lt, lt.lt_style_re_special, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_RE_REPEAT)]
|
|
= this->to_attrs(lt, lt.lt_style_re_repeat, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_FILE)]
|
|
= this->to_attrs(lt, lt.lt_style_file, reporter);
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_DIFF_DELETE)]
|
|
= this->to_attrs(lt, lt.lt_style_diff_delete, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_DIFF_ADD)]
|
|
= this->to_attrs(lt, lt.lt_style_diff_add, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_DIFF_SECTION)]
|
|
= this->to_attrs(lt, lt.lt_style_diff_section, reporter);
|
|
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_LOW_THRESHOLD)]
|
|
= this->to_attrs(lt, lt.lt_style_low_threshold, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_MED_THRESHOLD)]
|
|
= this->to_attrs(lt, lt.lt_style_med_threshold, reporter);
|
|
this->vc_role_attrs[lnav::enums::to_underlying(role_t::VCR_HIGH_THRESHOLD)]
|
|
= this->to_attrs(lt, lt.lt_style_high_threshold, reporter);
|
|
|
|
for (auto level = static_cast<log_level_t>(LEVEL_UNKNOWN + 1);
|
|
level < LEVEL__MAX;
|
|
level = static_cast<log_level_t>(level + 1))
|
|
{
|
|
auto level_iter = lt.lt_level_styles.find(level);
|
|
|
|
if (level_iter == lt.lt_level_styles.end()) {
|
|
this->vc_level_attrs[level]
|
|
= role_attrs{text_attrs{}, text_attrs{}};
|
|
} else {
|
|
this->vc_level_attrs[level]
|
|
= this->to_attrs(lt, level_iter->second, reporter);
|
|
}
|
|
}
|
|
|
|
if (initialized && this->vc_color_pair_end == 0) {
|
|
this->vc_color_pair_end = 1;
|
|
}
|
|
this->vc_dyn_pairs.clear();
|
|
|
|
for (int32_t role_index = 0;
|
|
role_index < lnav::enums::to_underlying(role_t::VCR__MAX);
|
|
role_index++)
|
|
{
|
|
const auto& ra = this->vc_role_attrs[role_index];
|
|
if (ra.ra_class_name.empty()) {
|
|
continue;
|
|
}
|
|
|
|
this->vc_class_to_role[ra.ra_class_name.to_string()]
|
|
= VC_ROLE.value(role_t(role_index));
|
|
}
|
|
for (int level_index = 0; level_index < LEVEL__MAX; level_index++) {
|
|
const auto& ra = this->vc_level_attrs[level_index];
|
|
if (ra.ra_class_name.empty()) {
|
|
continue;
|
|
}
|
|
|
|
this->vc_class_to_role[ra.ra_class_name.to_string()]
|
|
= SA_LEVEL.value(level_index);
|
|
}
|
|
}
|
|
|
|
int
|
|
view_colors::ensure_color_pair(short fg, short bg)
|
|
{
|
|
require(fg >= -100);
|
|
require(bg >= -100);
|
|
|
|
if (fg >= COLOR_BLACK && fg <= COLOR_WHITE) {
|
|
fg = this->ansi_to_theme_color(fg);
|
|
}
|
|
if (bg >= COLOR_BLACK && bg <= COLOR_WHITE) {
|
|
bg = this->ansi_to_theme_color(bg);
|
|
}
|
|
|
|
auto index_pair = std::make_pair(fg, bg);
|
|
auto existing = this->vc_dyn_pairs.get(index_pair);
|
|
|
|
if (existing) {
|
|
auto retval = existing.value().dp_color_pair;
|
|
|
|
return retval;
|
|
}
|
|
|
|
auto def_attrs = this->attrs_for_role(role_t::VCR_TEXT);
|
|
int retval = this->vc_color_pair_end + this->vc_dyn_pairs.size();
|
|
auto attrs
|
|
= attr_for_colors(fg == -1 ? def_attrs.ta_fg_color.value_or(-1) : fg,
|
|
bg == -1 ? def_attrs.ta_bg_color.value_or(-1) : bg);
|
|
init_pair(retval, attrs.ta_fg_color.value(), attrs.ta_bg_color.value());
|
|
|
|
if (initialized) {
|
|
struct dyn_pair dp = {retval};
|
|
|
|
this->vc_dyn_pairs.set_max_size(256 - this->vc_color_pair_end);
|
|
this->vc_dyn_pairs.put(index_pair, dp);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
int
|
|
view_colors::ensure_color_pair(nonstd::optional<short> fg,
|
|
nonstd::optional<short> bg)
|
|
{
|
|
return this->ensure_color_pair(fg.value_or(-1), bg.value_or(-1));
|
|
}
|
|
|
|
int
|
|
view_colors::ensure_color_pair(const styling::color_unit& rgb_fg,
|
|
const styling::color_unit& rgb_bg)
|
|
{
|
|
auto fg = this->match_color(rgb_fg);
|
|
auto bg = this->match_color(rgb_bg);
|
|
|
|
return this->ensure_color_pair(fg, bg);
|
|
}
|
|
|
|
nonstd::optional<short>
|
|
view_colors::match_color(const styling::color_unit& color) const
|
|
{
|
|
return color.cu_value.match(
|
|
[](styling::semantic) -> nonstd::optional<short> {
|
|
return MATCH_COLOR_SEMANTIC;
|
|
},
|
|
[](const rgb_color& color) -> nonstd::optional<short> {
|
|
if (color.empty()) {
|
|
return nonstd::nullopt;
|
|
}
|
|
|
|
return vc_active_palette->match_color(lab_color(color));
|
|
});
|
|
}
|
|
|
|
nonstd::optional<short>
|
|
view_colors::color_for_ident(const char* str, size_t len) const
|
|
{
|
|
auto index = crc32(1, (const Bytef*) str, len);
|
|
int retval;
|
|
|
|
if (COLORS >= 256) {
|
|
if (str[0] == '#' && (len == 4 || len == 7)) {
|
|
auto fg_res
|
|
= styling::color_unit::from_str(string_fragment(str, 0, len));
|
|
if (fg_res.isOk()) {
|
|
return this->match_color(fg_res.unwrap());
|
|
}
|
|
}
|
|
|
|
auto offset = index % HI_COLOR_COUNT;
|
|
retval = this->vc_highlight_colors[offset];
|
|
} else {
|
|
retval = -1;
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
text_attrs
|
|
view_colors::attrs_for_ident(const char* str, size_t len) const
|
|
{
|
|
auto retval = this->attrs_for_role(role_t::VCR_IDENTIFIER);
|
|
|
|
if (retval.ta_attrs & (A_LEFT | A_RIGHT)) {
|
|
if (retval.ta_attrs & A_LEFT) {
|
|
retval.ta_fg_color = this->color_for_ident(str, len);
|
|
}
|
|
if (retval.ta_attrs & A_RIGHT) {
|
|
retval.ta_bg_color = this->color_for_ident(str, len);
|
|
}
|
|
retval.ta_attrs &= ~(A_COLOR | A_LEFT | A_RIGHT);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
lab_color::lab_color(const rgb_color& rgb)
|
|
{
|
|
double r = rgb.rc_r / 255.0, g = rgb.rc_g / 255.0, b = rgb.rc_b / 255.0, x,
|
|
y, z;
|
|
|
|
r = (r > 0.04045) ? pow((r + 0.055) / 1.055, 2.4) : r / 12.92;
|
|
g = (g > 0.04045) ? pow((g + 0.055) / 1.055, 2.4) : g / 12.92;
|
|
b = (b > 0.04045) ? pow((b + 0.055) / 1.055, 2.4) : b / 12.92;
|
|
|
|
x = (r * 0.4124 + g * 0.3576 + b * 0.1805) / 0.95047;
|
|
y = (r * 0.2126 + g * 0.7152 + b * 0.0722) / 1.00000;
|
|
z = (r * 0.0193 + g * 0.1192 + b * 0.9505) / 1.08883;
|
|
|
|
x = (x > 0.008856) ? pow(x, 1.0 / 3.0) : (7.787 * x) + 16.0 / 116.0;
|
|
y = (y > 0.008856) ? pow(y, 1.0 / 3.0) : (7.787 * y) + 16.0 / 116.0;
|
|
z = (z > 0.008856) ? pow(z, 1.0 / 3.0) : (7.787 * z) + 16.0 / 116.0;
|
|
|
|
this->lc_l = (116.0 * y) - 16;
|
|
this->lc_a = 500.0 * (x - y);
|
|
this->lc_b = 200.0 * (y - z);
|
|
}
|
|
|
|
double
|
|
lab_color::deltaE(const lab_color& other) const
|
|
{
|
|
double deltaL = this->lc_l - other.lc_l;
|
|
double deltaA = this->lc_a - other.lc_a;
|
|
double deltaB = this->lc_b - other.lc_b;
|
|
double c1 = sqrt(this->lc_a * this->lc_a + this->lc_b * this->lc_b);
|
|
double c2 = sqrt(other.lc_a * other.lc_a + other.lc_b * other.lc_b);
|
|
double deltaC = c1 - c2;
|
|
double deltaH = deltaA * deltaA + deltaB * deltaB - deltaC * deltaC;
|
|
deltaH = deltaH < 0.0 ? 0.0 : sqrt(deltaH);
|
|
double sc = 1.0 + 0.045 * c1;
|
|
double sh = 1.0 + 0.015 * c1;
|
|
double deltaLKlsl = deltaL / (1.0);
|
|
double deltaCkcsc = deltaC / (sc);
|
|
double deltaHkhsh = deltaH / (sh);
|
|
double i = deltaLKlsl * deltaLKlsl + deltaCkcsc * deltaCkcsc
|
|
+ deltaHkhsh * deltaHkhsh;
|
|
return i < 0.0 ? 0.0 : sqrt(i);
|
|
}
|
|
|
|
bool
|
|
lab_color::operator<(const lab_color& rhs) const
|
|
{
|
|
if (lc_l < rhs.lc_l)
|
|
return true;
|
|
if (rhs.lc_l < lc_l)
|
|
return false;
|
|
if (lc_a < rhs.lc_a)
|
|
return true;
|
|
if (rhs.lc_a < lc_a)
|
|
return false;
|
|
return lc_b < rhs.lc_b;
|
|
}
|
|
|
|
bool
|
|
lab_color::operator>(const lab_color& rhs) const
|
|
{
|
|
return rhs < *this;
|
|
}
|
|
|
|
bool
|
|
lab_color::operator<=(const lab_color& rhs) const
|
|
{
|
|
return !(rhs < *this);
|
|
}
|
|
|
|
bool
|
|
lab_color::operator>=(const lab_color& rhs) const
|
|
{
|
|
return !(*this < rhs);
|
|
}
|
|
|
|
bool
|
|
lab_color::operator==(const lab_color& rhs) const
|
|
{
|
|
return lc_l == rhs.lc_l && lc_a == rhs.lc_a && lc_b == rhs.lc_b;
|
|
}
|
|
|
|
bool
|
|
lab_color::operator!=(const lab_color& rhs) const
|
|
{
|
|
return !(rhs == *this);
|
|
}
|
|
|
|
Result<screen_curses, std::string>
|
|
screen_curses::create()
|
|
{
|
|
int errret = 0;
|
|
if (setupterm(nullptr, STDIN_FILENO, &errret) == ERR) {
|
|
switch (errret) {
|
|
case 1:
|
|
return Err(std::string("the terminal is a hardcopy, da fuq?!"));
|
|
case 0:
|
|
return Err(
|
|
fmt::format(FMT_STRING("the TERM environment variable is "
|
|
"set to an unknown value: {}"),
|
|
getenv("TERM")));
|
|
case -1:
|
|
return Err(
|
|
std::string("the terminfo database could not be found"));
|
|
default:
|
|
return Err(std::string("setupterm() failed unexpectedly"));
|
|
}
|
|
}
|
|
|
|
newterm(nullptr, stdout, stdin);
|
|
|
|
return Ok(screen_curses{stdscr});
|
|
}
|