mirror of https://github.com/tstack/lnav
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1124 lines
36 KiB
C++
1124 lines
36 KiB
C++
/**
|
|
* Copyright (c) 2007-2012, Timothy Stack
|
|
*
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
* * Neither the name of Timothy Stack nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* @file view_curses.cc
|
|
*/
|
|
|
|
#include "config.h"
|
|
|
|
#include <cmath>
|
|
#include <string>
|
|
|
|
#include "auto_mem.hh"
|
|
#include "base/lnav_log.hh"
|
|
#include "view_curses.hh"
|
|
#include "ansi_scrubber.hh"
|
|
#include "lnav_config.hh"
|
|
#include "yajlpp/yajlpp.hh"
|
|
#include "yajlpp/yajlpp_def.hh"
|
|
#include "xterm-palette.hh"
|
|
#include "attr_line.hh"
|
|
#include "shlex.hh"
|
|
|
|
using namespace std;
|
|
|
|
struct term_color {
|
|
short xc_id;
|
|
string xc_name;
|
|
rgb_color xc_color;
|
|
lab_color xc_lab_color;
|
|
};
|
|
|
|
static struct json_path_handler term_color_rgb_handler[] = {
|
|
json_path_handler("r")
|
|
.FOR_FIELD(rgb_color, rc_r),
|
|
json_path_handler("g")
|
|
.FOR_FIELD(rgb_color, rc_g),
|
|
json_path_handler("b")
|
|
.FOR_FIELD(rgb_color, rc_b),
|
|
|
|
json_path_handler()
|
|
};
|
|
|
|
static struct json_path_handler term_color_handler[] = {
|
|
json_path_handler("colorId")
|
|
.FOR_FIELD(term_color, xc_id),
|
|
json_path_handler("name")
|
|
.FOR_FIELD(term_color, xc_name),
|
|
json_path_handler("rgb/")
|
|
.with_obj_provider<rgb_color, term_color>([](const auto &pc, term_color *xc) { return &xc->xc_color; })
|
|
.with_children(term_color_rgb_handler),
|
|
|
|
json_path_handler()
|
|
};
|
|
|
|
static struct json_path_handler root_color_handler[] = {
|
|
json_path_handler("#/")
|
|
.with_obj_provider<term_color, vector<term_color>>(
|
|
[](const yajlpp_provider_context &ypc, vector<term_color> *palette) {
|
|
palette->resize(ypc.ypc_index + 1);
|
|
return &((*palette)[ypc.ypc_index]);
|
|
})
|
|
.with_children(term_color_handler),
|
|
|
|
json_path_handler()
|
|
};
|
|
|
|
struct term_color_palette {
|
|
term_color_palette(const unsigned char *json) {
|
|
yajlpp_parse_context ypc_xterm("palette.json", root_color_handler);
|
|
yajl_handle handle;
|
|
|
|
handle = yajl_alloc(&ypc_xterm.ypc_callbacks, nullptr, &ypc_xterm);
|
|
ypc_xterm
|
|
.with_ignore_unused(true)
|
|
.with_obj(this->tc_palette)
|
|
.with_handle(handle);
|
|
yajl_status st = ypc_xterm.parse(json, strlen((const char *) json));
|
|
ensure(st == yajl_status_ok);
|
|
st = ypc_xterm.complete_parse();
|
|
ensure(st == yajl_status_ok);
|
|
yajl_free(handle);
|
|
|
|
for (auto &xc : this->tc_palette) {
|
|
xc.xc_lab_color = lab_color(xc.xc_color);
|
|
}
|
|
};
|
|
|
|
short match_color(const lab_color &to_match) {
|
|
double lowest = 1000.0;
|
|
short lowest_id = -1;
|
|
|
|
for (auto &xc : this->tc_palette) {
|
|
double xc_delta = xc.xc_lab_color.deltaE(to_match);
|
|
|
|
if (lowest_id == -1) {
|
|
lowest = xc_delta;
|
|
lowest_id = xc.xc_id;
|
|
continue;
|
|
}
|
|
|
|
if (xc_delta < lowest) {
|
|
lowest = xc_delta;
|
|
lowest_id = xc.xc_id;
|
|
}
|
|
}
|
|
|
|
return lowest_id;
|
|
};
|
|
|
|
vector<term_color> tc_palette;
|
|
};
|
|
|
|
term_color_palette xterm_colors(xterm_palette_json);
|
|
term_color_palette ansi_colors(ansi_palette_json);
|
|
|
|
term_color_palette *ACTIVE_PALETTE = &ansi_colors;
|
|
|
|
bool rgb_color::from_str(const string_fragment &color,
|
|
rgb_color &rgb_out,
|
|
std::string &errmsg)
|
|
{
|
|
if (color.empty()) {
|
|
return true;
|
|
}
|
|
|
|
if (color[0] == '#') {
|
|
switch (color.length()) {
|
|
case 4:
|
|
if (sscanf(color.data(), "#%1hx%1hx%1hx",
|
|
&rgb_out.rc_r, &rgb_out.rc_g, &rgb_out.rc_b) == 3) {
|
|
rgb_out.rc_r |= rgb_out.rc_r << 4;
|
|
rgb_out.rc_g |= rgb_out.rc_g << 4;
|
|
rgb_out.rc_b |= rgb_out.rc_b << 4;
|
|
return true;
|
|
}
|
|
break;
|
|
case 7:
|
|
if (sscanf(color.data(), "#%2hx%2hx%2hx",
|
|
&rgb_out.rc_r, &rgb_out.rc_g, &rgb_out.rc_b) == 3) {
|
|
return true;
|
|
}
|
|
break;
|
|
}
|
|
errmsg = "Could not parse color: " + color.to_string();
|
|
return false;
|
|
}
|
|
|
|
for (const auto &xc : xterm_colors.tc_palette) {
|
|
if (color.iequal(xc.xc_name)) {
|
|
rgb_out = xc.xc_color;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
errmsg = "Unknown color: '" + color.to_string() +
|
|
"'. See https://jonasjacek.github.io/colors/ for a list of supported color names";
|
|
return false;
|
|
}
|
|
|
|
string_attr_type view_curses::VC_ROLE("role");
|
|
string_attr_type view_curses::VC_STYLE("style");
|
|
string_attr_type view_curses::VC_GRAPHIC("graphic");
|
|
string_attr_type view_curses::VC_SELECTED("selected");
|
|
string_attr_type view_curses::VC_FOREGROUND("foreground");
|
|
string_attr_type view_curses::VC_BACKGROUND("background");
|
|
|
|
const struct itimerval ui_periodic_timer::INTERVAL = { { 0, 350 * 1000 },
|
|
{ 0, 350 * 1000 }
|
|
};
|
|
|
|
ui_periodic_timer::ui_periodic_timer()
|
|
: upt_counter(0)
|
|
{
|
|
struct sigaction sa;
|
|
|
|
sa.sa_handler = ui_periodic_timer::sigalrm;
|
|
sa.sa_flags = SA_RESTART;
|
|
sigemptyset(&sa.sa_mask);
|
|
sigaction(SIGALRM, &sa, nullptr);
|
|
if (setitimer(ITIMER_REAL, &INTERVAL, nullptr) == -1) {
|
|
perror("setitimer");
|
|
}
|
|
}
|
|
|
|
ui_periodic_timer &ui_periodic_timer::singleton()
|
|
{
|
|
static ui_periodic_timer retval;
|
|
|
|
return retval;
|
|
}
|
|
|
|
void ui_periodic_timer::sigalrm(int sig)
|
|
{
|
|
singleton().upt_counter += 1;
|
|
}
|
|
|
|
alerter &alerter::singleton() {
|
|
static alerter retval;
|
|
|
|
return retval;
|
|
}
|
|
|
|
attr_line_t &attr_line_t::with_ansi_string(const char *str, ...)
|
|
{
|
|
auto_mem<char> formatted_str;
|
|
va_list args;
|
|
|
|
va_start(args, str);
|
|
auto ret = vasprintf(formatted_str.out(), str, args);
|
|
va_end(args);
|
|
|
|
if (ret >= 0 && formatted_str != nullptr) {
|
|
this->al_string = formatted_str;
|
|
scrub_ansi_string(this->al_string, this->al_attrs);
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
attr_line_t &attr_line_t::with_ansi_string(const std::string &str)
|
|
{
|
|
this->al_string = str;
|
|
scrub_ansi_string(this->al_string, this->al_attrs);
|
|
|
|
return *this;
|
|
}
|
|
|
|
attr_line_t &attr_line_t::insert(size_t index, const attr_line_t &al, text_wrap_settings *tws)
|
|
{
|
|
if (index < this->al_string.length()) {
|
|
shift_string_attrs(this->al_attrs, index, al.al_string.length());
|
|
}
|
|
|
|
this->al_string.insert(index, al.al_string);
|
|
|
|
for (auto &sa : al.al_attrs) {
|
|
this->al_attrs.emplace_back(sa);
|
|
|
|
line_range &lr = this->al_attrs.back().sa_range;
|
|
|
|
lr.shift(0, index);
|
|
if (lr.lr_end == -1) {
|
|
lr.lr_end = index + al.al_string.length();
|
|
}
|
|
}
|
|
|
|
if (tws != nullptr && (int)this->al_string.length() > tws->tws_width) {
|
|
ssize_t start_pos = index;
|
|
ssize_t line_start = this->al_string.rfind('\n', start_pos);
|
|
|
|
if (line_start == (ssize_t)string::npos) {
|
|
line_start = 0;
|
|
} else {
|
|
line_start += 1;
|
|
}
|
|
|
|
ssize_t line_len = index - line_start;
|
|
ssize_t usable_width = tws->tws_width - tws->tws_indent;
|
|
ssize_t avail = max((ssize_t) 0, (ssize_t) tws->tws_width - line_len);
|
|
|
|
if (avail == 0) {
|
|
avail = INT_MAX;
|
|
}
|
|
|
|
while (start_pos < (int)this->al_string.length()) {
|
|
ssize_t lpc;
|
|
|
|
// Find the end of a word or a breakpoint.
|
|
for (lpc = start_pos;
|
|
lpc < (int)this->al_string.length() &&
|
|
(isalnum(this->al_string[lpc]) ||
|
|
this->al_string[lpc] == ',' ||
|
|
this->al_string[lpc] == '_' ||
|
|
this->al_string[lpc] == '.' ||
|
|
this->al_string[lpc] == ';');
|
|
lpc++) {
|
|
if (this->al_string[lpc] == '-' ||
|
|
this->al_string[lpc] == '.') {
|
|
lpc += 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if ((avail != usable_width) && (lpc - start_pos > avail)) {
|
|
// Need to wrap the word. Do the wrap.
|
|
this->insert(start_pos, 1, '\n')
|
|
.insert(start_pos + 1, tws->tws_indent, ' ');
|
|
start_pos += 1 + tws->tws_indent;
|
|
avail = tws->tws_width - tws->tws_indent;
|
|
} else {
|
|
// There's still room to add stuff.
|
|
avail -= (lpc - start_pos);
|
|
while (lpc < (int)this->al_string.length() && avail) {
|
|
if (this->al_string[lpc] == '\n') {
|
|
this->insert(lpc + 1, tws->tws_indent, ' ');
|
|
avail = usable_width;
|
|
lpc += 1 + tws->tws_indent;
|
|
break;
|
|
}
|
|
if (isalnum(this->al_string[lpc]) ||
|
|
this->al_string[lpc] == '_') {
|
|
break;
|
|
}
|
|
avail -= 1;
|
|
lpc += 1;
|
|
}
|
|
start_pos = lpc;
|
|
if (!avail) {
|
|
this->insert(start_pos, 1, '\n')
|
|
.insert(start_pos + 1, tws->tws_indent, ' ');
|
|
start_pos += 1 + tws->tws_indent;
|
|
avail = usable_width;
|
|
|
|
for (lpc = start_pos;
|
|
lpc < (int)this->al_string.length() &&
|
|
this->al_string[lpc] == ' ';
|
|
lpc++) {
|
|
}
|
|
|
|
if (lpc != start_pos) {
|
|
this->erase(start_pos, (lpc - start_pos));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
attr_line_t attr_line_t::subline(size_t start, size_t len) const
|
|
{
|
|
if (len == std::string::npos) {
|
|
len = this->al_string.length() - start;
|
|
}
|
|
|
|
line_range lr{(int) start, (int) (start + len)};
|
|
attr_line_t retval;
|
|
|
|
retval.al_string = this->al_string.substr(start, len);
|
|
for (auto &sa : this->al_attrs) {
|
|
if (!lr.intersects(sa.sa_range)) {
|
|
continue;
|
|
}
|
|
|
|
retval.al_attrs.emplace_back(lr.intersection(sa.sa_range)
|
|
.shift(lr.lr_start, -lr.lr_start),
|
|
sa.sa_type, sa.sa_value);
|
|
|
|
line_range &last_lr = retval.al_attrs.back().sa_range;
|
|
|
|
ensure(last_lr.lr_end <= retval.al_string.length());
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
void attr_line_t::split_lines(std::vector<attr_line_t> &lines) const
|
|
{
|
|
size_t pos = 0, next_line;
|
|
|
|
while ((next_line = this->al_string.find('\n', pos)) != std::string::npos) {
|
|
lines.emplace_back(this->subline(pos, next_line - pos));
|
|
pos = next_line + 1;
|
|
}
|
|
lines.emplace_back(this->subline(pos));
|
|
}
|
|
|
|
struct utf_to_display_adjustment {
|
|
int uda_origin;
|
|
int uda_offset;
|
|
|
|
utf_to_display_adjustment(int utf_origin, int offset)
|
|
: uda_origin(utf_origin), uda_offset(offset) {
|
|
|
|
};
|
|
};
|
|
|
|
void view_curses::mvwattrline(WINDOW *window,
|
|
int y,
|
|
int x,
|
|
attr_line_t &al,
|
|
const struct line_range &lr,
|
|
view_colors::role_t base_role)
|
|
{
|
|
attr_t text_attrs, attrs;
|
|
int line_width;
|
|
string_attrs_t & sa = al.get_attrs();
|
|
string & line = al.get_string();
|
|
string_attrs_t::const_iterator iter;
|
|
vector<utf_to_display_adjustment> utf_adjustments;
|
|
int tab_count = 0;
|
|
char *expanded_line;
|
|
int exp_index = 0;
|
|
int exp_offset = 0;
|
|
string full_line;
|
|
|
|
require(lr.lr_end >= 0);
|
|
|
|
line_width = lr.length();
|
|
tab_count = count(line.begin(), line.end(), '\t');
|
|
expanded_line = (char *)alloca(line.size() + tab_count * 8 + 1);
|
|
|
|
unsigned char *fg_color = (unsigned char *) alloca(line_width);
|
|
bool has_fg = false;
|
|
unsigned char *bg_color = (unsigned char *) alloca(line_width);
|
|
bool has_bg = false;
|
|
|
|
for (size_t lpc = 0; lpc < line.size(); lpc++) {
|
|
int exp_start_index = exp_index;
|
|
unsigned char ch = static_cast<unsigned char>(line[lpc]);
|
|
|
|
switch (ch) {
|
|
case '\t':
|
|
do {
|
|
expanded_line[exp_index] = ' ';
|
|
exp_index += 1;
|
|
} while (exp_index % 8);
|
|
utf_adjustments.emplace_back(lpc, exp_index - exp_start_index - 1);
|
|
break;
|
|
|
|
case '\r':
|
|
/* exp_index = -1; */
|
|
break;
|
|
|
|
case '\n':
|
|
expanded_line[exp_index] = ' ';
|
|
exp_index += 1;
|
|
break;
|
|
|
|
default: {
|
|
int offset = 0;
|
|
|
|
expanded_line[exp_index] = line[lpc];
|
|
exp_index += 1;
|
|
if ((ch & 0xf8) == 0xf0) {
|
|
offset = -3;
|
|
} else if ((ch & 0xf0) == 0xe0) {
|
|
offset = -2;
|
|
} else if ((ch & 0xe0) == 0xc0) {
|
|
offset = -1;
|
|
}
|
|
|
|
if (offset) {
|
|
exp_offset += offset;
|
|
utf_adjustments.emplace_back(lpc, offset);
|
|
for (; offset && (lpc + 1) < line.size(); lpc++, offset++) {
|
|
expanded_line[exp_index] = line[lpc + 1];
|
|
exp_index += 1;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
expanded_line[exp_index] = '\0';
|
|
full_line = string(expanded_line);
|
|
|
|
view_colors &vc = view_colors::singleton();
|
|
text_attrs = vc.attrs_for_role(base_role);
|
|
attrs = text_attrs;
|
|
wmove(window, y, x);
|
|
wattron(window, attrs);
|
|
if (lr.lr_start < (int)full_line.size()) {
|
|
waddnstr(window, &full_line.c_str()[lr.lr_start], line_width);
|
|
}
|
|
if (lr.lr_end > (int)full_line.size()) {
|
|
whline(window, ' ', lr.lr_end - (full_line.size() + exp_offset));
|
|
}
|
|
wattroff(window, attrs);
|
|
|
|
stable_sort(sa.begin(), sa.end());
|
|
for (iter = sa.begin(); iter != sa.end(); ++iter) {
|
|
struct line_range attr_range = iter->sa_range;
|
|
|
|
require(attr_range.lr_start >= 0);
|
|
require(attr_range.lr_end >= -1);
|
|
|
|
if (!(iter->sa_type == &VC_ROLE ||
|
|
iter->sa_type == &VC_STYLE ||
|
|
iter->sa_type == &VC_GRAPHIC ||
|
|
iter->sa_type == &VC_FOREGROUND ||
|
|
iter->sa_type == &VC_BACKGROUND)) {
|
|
continue;
|
|
}
|
|
|
|
for (const auto &adj : utf_adjustments) {
|
|
if (adj.uda_origin < iter->sa_range.lr_start) {
|
|
attr_range.lr_start += adj.uda_offset;
|
|
}
|
|
}
|
|
|
|
if (attr_range.lr_end != -1) {
|
|
for (const auto &adj : utf_adjustments) {
|
|
if (adj.uda_origin < iter->sa_range.lr_end) {
|
|
attr_range.lr_end += adj.uda_offset;
|
|
}
|
|
}
|
|
}
|
|
|
|
attr_range.lr_start = max(0, attr_range.lr_start - lr.lr_start);
|
|
if (attr_range.lr_end == -1) {
|
|
attr_range.lr_end = lr.lr_start + line_width;
|
|
}
|
|
|
|
attr_range.lr_end = min(line_width, attr_range.lr_end - lr.lr_start);
|
|
|
|
if (iter->sa_type == &VC_GRAPHIC) {
|
|
for (int index = attr_range.lr_start;
|
|
index < attr_range.lr_end;
|
|
index++) {
|
|
mvwaddch(window, y, x + index, iter->sa_value.sav_int | text_attrs);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (iter->sa_type == &VC_FOREGROUND) {
|
|
if (!has_fg) {
|
|
memset(fg_color, COLOR_WHITE, line_width);
|
|
}
|
|
fill(fg_color + attr_range.lr_start, fg_color + attr_range.lr_end, iter->sa_value.sav_int);
|
|
has_fg = true;
|
|
continue;
|
|
}
|
|
|
|
if (iter->sa_type == &VC_BACKGROUND) {
|
|
if (!has_bg) {
|
|
memset(bg_color, COLOR_BLACK, line_width);
|
|
}
|
|
fill(bg_color + attr_range.lr_start, bg_color + attr_range.lr_end, iter->sa_value.sav_int);
|
|
has_bg = true;
|
|
continue;
|
|
}
|
|
|
|
if (attr_range.lr_end > attr_range.lr_start) {
|
|
int awidth = attr_range.length();
|
|
int color_pair;
|
|
|
|
if (iter->sa_type == &VC_STYLE) {
|
|
attrs = iter->sa_value.sav_int & ~A_COLOR;
|
|
color_pair = PAIR_NUMBER(iter->sa_value.sav_int);
|
|
} else {
|
|
attrs = vc.attrs_for_role((view_colors::role_t) iter->sa_value.sav_int);
|
|
color_pair = PAIR_NUMBER(attrs);
|
|
attrs = attrs & ~A_COLOR;
|
|
}
|
|
|
|
if (attrs || color_pair > 0) {
|
|
int x_pos = x + attr_range.lr_start;
|
|
int ch_width = min(awidth, (line_width - attr_range.lr_start));
|
|
cchar_t row_ch[ch_width + 1];
|
|
|
|
mvwin_wchnstr(window, y, x_pos, row_ch, ch_width);
|
|
for (int lpc = 0; lpc < ch_width; lpc++) {
|
|
bool clear_rev = false;
|
|
|
|
if (row_ch[lpc].attr & A_REVERSE && attrs & A_REVERSE) {
|
|
clear_rev = true;
|
|
}
|
|
if (color_pair > 0) {
|
|
row_ch[lpc].attr =
|
|
attrs | (row_ch[lpc].attr & ~A_COLOR);
|
|
#ifdef NCURSES_EXT_COLORS
|
|
row_ch[lpc].ext_color = color_pair;
|
|
#else
|
|
row_ch[lpc].attr |= COLOR_PAIR(color_pair);
|
|
#endif
|
|
} else {
|
|
row_ch[lpc].attr |= attrs;
|
|
}
|
|
if (clear_rev) {
|
|
row_ch[lpc].attr &= ~A_REVERSE;
|
|
}
|
|
}
|
|
mvwadd_wchnstr(window, y, x_pos, row_ch, ch_width);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if 1
|
|
if (has_fg || has_bg) {
|
|
if (!has_fg) {
|
|
memset(fg_color, COLOR_WHITE, line_width);
|
|
}
|
|
if (!has_bg) {
|
|
memset(bg_color, COLOR_BLACK, line_width);
|
|
}
|
|
|
|
int x_pos = x + lr.lr_start;
|
|
int ch_width = lr.length();
|
|
cchar_t row_ch[ch_width + 1];
|
|
|
|
mvwin_wchnstr(window, y, x_pos, row_ch, ch_width);
|
|
for (int lpc = 0; lpc < ch_width; lpc++) {
|
|
int color_pair = view_colors::ansi_color_pair_index(fg_color[lpc], bg_color[lpc]);
|
|
|
|
row_ch[lpc].attr = row_ch[lpc].attr & ~A_COLOR;
|
|
#ifdef NCURSES_EXT_COLORS
|
|
row_ch[lpc].ext_color = color_pair;
|
|
#else
|
|
row_ch[lpc].attr |= COLOR_PAIR(color_pair);
|
|
#endif
|
|
}
|
|
mvwadd_wchnstr(window, y, x_pos, row_ch, ch_width);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
attr_t view_colors::BASIC_HL_PAIRS[view_colors::BASIC_COLOR_COUNT] = {
|
|
ansi_color_pair(COLOR_BLUE, COLOR_BLACK),
|
|
ansi_color_pair(COLOR_CYAN, COLOR_BLACK),
|
|
ansi_color_pair(COLOR_GREEN, COLOR_BLACK),
|
|
ansi_color_pair(COLOR_MAGENTA, COLOR_BLACK),
|
|
ansi_color_pair(COLOR_BLACK, COLOR_WHITE),
|
|
ansi_color_pair(COLOR_CYAN, COLOR_BLACK),
|
|
ansi_color_pair(COLOR_YELLOW, COLOR_MAGENTA) | A_BOLD,
|
|
ansi_color_pair(COLOR_MAGENTA, COLOR_CYAN) | A_BOLD,
|
|
};
|
|
|
|
view_colors &view_colors::singleton()
|
|
{
|
|
static view_colors s_vc;
|
|
|
|
return s_vc;
|
|
}
|
|
|
|
view_colors::view_colors() : vc_color_pair_end(0)
|
|
{
|
|
}
|
|
|
|
bool view_colors::initialized = false;
|
|
|
|
static string COLOR_NAMES[] = {
|
|
"black",
|
|
"red",
|
|
"green",
|
|
"yellow",
|
|
"blue",
|
|
"magenta",
|
|
"cyan",
|
|
"white",
|
|
};
|
|
|
|
class color_listener : public lnav_config_listener {
|
|
public:
|
|
void reload_config(error_reporter &reporter) {
|
|
view_colors &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()) {
|
|
reporter(&lnav_config.lc_ui_theme,
|
|
"unknown theme -- " + lnav_config.lc_ui_theme);
|
|
return;
|
|
}
|
|
|
|
if (view_colors::initialized) {
|
|
vc.init_roles(iter->second, reporter);
|
|
}
|
|
}
|
|
};
|
|
|
|
static color_listener _COLOR_LISTENER;
|
|
|
|
void view_colors::init()
|
|
{
|
|
if (has_colors()) {
|
|
static int ansi_colors_to_curses[] = {
|
|
COLOR_BLACK,
|
|
COLOR_RED,
|
|
COLOR_GREEN,
|
|
COLOR_YELLOW,
|
|
COLOR_BLUE,
|
|
COLOR_MAGENTA,
|
|
COLOR_CYAN,
|
|
COLOR_WHITE,
|
|
};
|
|
|
|
start_color();
|
|
|
|
if (lnav_config.lc_ui_default_colors) {
|
|
use_default_colors();
|
|
}
|
|
for (int fg = 0; fg < 8; fg++) {
|
|
for (int bg = 0; bg < 8; bg++) {
|
|
if (fg == 0 && bg == 0)
|
|
continue;
|
|
init_pair(ansi_color_pair_index(fg, bg),
|
|
ansi_colors_to_curses[fg],
|
|
ansi_colors_to_curses[bg]);
|
|
}
|
|
}
|
|
if (COLORS >= 256) {
|
|
ACTIVE_PALETTE = &xterm_colors;
|
|
}
|
|
}
|
|
|
|
initialized = true;
|
|
|
|
{
|
|
auto reporter = [](const void *, const std::string &) {
|
|
|
|
};
|
|
|
|
_COLOR_LISTENER.reload_config(reporter);
|
|
}
|
|
}
|
|
|
|
inline attr_t attr_for_colors(int &pair_base, short fg, short bg)
|
|
{
|
|
if (COLOR_PAIRS <= 64) {
|
|
return view_colors::ansi_color_pair(fg, bg);
|
|
} else {
|
|
if (lnav_config.lc_ui_default_colors) {
|
|
if (fg == COLOR_WHITE) {
|
|
fg = -1;
|
|
}
|
|
if (bg == COLOR_BLACK) {
|
|
bg = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
int pair = ++pair_base;
|
|
|
|
if (view_colors::initialized) {
|
|
init_pair(pair, fg, bg);
|
|
}
|
|
|
|
return COLOR_PAIR(pair);
|
|
}
|
|
|
|
pair<attr_t, attr_t> view_colors::to_attrs(
|
|
int &pair_base,
|
|
const lnav_theme <, const style_config &sc,
|
|
lnav_config_listener::error_reporter &reporter)
|
|
{
|
|
rgb_color fg, bg, sbg;
|
|
string fg1, bg1, sbg1, fg_color, bg_color, sbg_color, errmsg;
|
|
|
|
fg1 = sc.sc_color;
|
|
if (fg1.empty()) {
|
|
fg1 = lt.lt_style_text.sc_color;
|
|
}
|
|
bg1 = sc.sc_background_color;
|
|
if (bg1.empty()) {
|
|
bg1 = lt.lt_style_text.sc_background_color;
|
|
}
|
|
sbg1 = sc.sc_selected_color;
|
|
if (sbg1.empty()) {
|
|
sbg1 = lt.lt_style_text.sc_selected_color;
|
|
}
|
|
shlex(fg1).eval(fg_color, lt.lt_vars);
|
|
shlex(bg1).eval(bg_color, lt.lt_vars);
|
|
shlex(sbg1).eval(sbg_color, lt.lt_vars);
|
|
|
|
if (!rgb_color::from_str(fg_color, fg, errmsg)) {
|
|
reporter(&sc.sc_color, errmsg);
|
|
}
|
|
if (!rgb_color::from_str(bg_color, bg, errmsg)) {
|
|
reporter(&sc.sc_background_color, errmsg);
|
|
}
|
|
if (!rgb_color::from_str(sbg_color, sbg, errmsg)) {
|
|
reporter(&sc.sc_selected_color, errmsg);
|
|
}
|
|
|
|
attr_t retval1 = this->ensure_color_pair(pair_base, fg, bg);
|
|
attr_t retval2 = this->ensure_color_pair(pair_base, fg, sbg);
|
|
|
|
if (sc.sc_underline) {
|
|
retval1 |= A_UNDERLINE;
|
|
retval2 |= A_UNDERLINE;
|
|
}
|
|
if (sc.sc_bold) {
|
|
retval1 |= A_BOLD;
|
|
retval2 |= A_BOLD;
|
|
}
|
|
|
|
return make_pair(retval1, retval2);
|
|
}
|
|
|
|
void view_colors::init_roles(const lnav_theme <,
|
|
lnav_config_listener::error_reporter &reporter)
|
|
{
|
|
int color_pair_base = VC_ANSI_END;
|
|
rgb_color fg, bg;
|
|
string err;
|
|
|
|
if (COLORS == 256) {
|
|
const style_config &ident_sc = lt.lt_style_identifier;
|
|
int ident_bg = (lnav_config.lc_ui_default_colors ? -1 : COLOR_BLACK);
|
|
|
|
if (!ident_sc.sc_background_color.empty()) {
|
|
string bg_color, errmsg;
|
|
rgb_color rgb_bg;
|
|
|
|
shlex(ident_sc.sc_background_color).eval(bg_color, lt.lt_vars);
|
|
if (!rgb_color::from_str(bg_color, rgb_bg, errmsg)) {
|
|
reporter(&ident_sc.sc_background_color, errmsg);
|
|
}
|
|
ident_bg = ACTIVE_PALETTE->match_color(rgb_bg);
|
|
}
|
|
for (int z = 0; z < 6; z++) {
|
|
for (int x = 1; x < 6; x += 2) {
|
|
for (int y = 1; y < 6; y += 2) {
|
|
int fg = 16 + x + (y * 6) + (z * 6 * 6);
|
|
|
|
init_pair(color_pair_base, fg, ident_bg);
|
|
color_pair_base += 1;
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
color_pair_base = VC_ANSI_END + HI_COLOR_COUNT;
|
|
}
|
|
|
|
/* Setup the mappings from roles to actual colors. */
|
|
this->vc_role_colors[VCR_TEXT] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_text, reporter);
|
|
|
|
{
|
|
int pnum = PAIR_NUMBER(this->vc_role_colors[VCR_TEXT].first);
|
|
short text_fg, text_bg;
|
|
|
|
pair_content(pnum, &text_fg, &text_bg);
|
|
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_str = lt.lt_vars.find(COLOR_NAMES[ansi_fg]);
|
|
auto bg_str = lt.lt_vars.find(COLOR_NAMES[ansi_bg]);
|
|
rgb_color rgb_fg, rgb_bg;
|
|
string errmsg;
|
|
|
|
if (fg_str != lt.lt_vars.end() &&
|
|
!rgb_color::from_str(fg_str->second, rgb_fg, errmsg)) {
|
|
reporter(&fg_str->second, errmsg);
|
|
return;
|
|
}
|
|
if (bg_str != lt.lt_vars.end() &&
|
|
!rgb_color::from_str(bg_str->second, rgb_bg, errmsg)) {
|
|
reporter(&bg_str->second, errmsg);
|
|
return;
|
|
}
|
|
|
|
short fg = ACTIVE_PALETTE->match_color(rgb_fg);
|
|
short bg = ACTIVE_PALETTE->match_color(rgb_bg);
|
|
|
|
if (rgb_fg.empty()) {
|
|
fg = ansi_fg;
|
|
}
|
|
if (rgb_bg.empty()) {
|
|
bg = ansi_bg;
|
|
}
|
|
|
|
init_pair(ansi_color_pair_index(ansi_fg, ansi_bg), fg, bg);
|
|
}
|
|
}
|
|
}
|
|
if (lnav_config.lc_ui_dim_text) {
|
|
this->vc_role_colors[VCR_TEXT].first |= A_DIM;
|
|
this->vc_role_colors[VCR_TEXT].second |= A_DIM;
|
|
}
|
|
this->vc_role_colors[VCR_SEARCH] = make_pair(A_REVERSE, A_REVERSE);
|
|
this->vc_role_colors[VCR_OK] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_ok,
|
|
reporter);
|
|
this->vc_role_colors[VCR_ERROR] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_error,
|
|
reporter);
|
|
this->vc_role_colors[VCR_WARNING] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_warning,
|
|
reporter);
|
|
this->vc_role_colors[VCR_ALT_ROW] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_alt_text,
|
|
reporter);
|
|
this->vc_role_colors[VCR_HIDDEN] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_hidden,
|
|
reporter);
|
|
this->vc_role_colors[VCR_ADJUSTED_TIME] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_adjusted_time, reporter);
|
|
this->vc_role_colors[VCR_SKEWED_TIME] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_skewed_time, reporter);
|
|
this->vc_role_colors[VCR_OFFSET_TIME] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_offset_time, reporter);
|
|
|
|
this->vc_role_colors[VCR_STATUS] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_status, reporter);
|
|
this->vc_role_colors[VCR_WARN_STATUS] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_warn_status, reporter);
|
|
this->vc_role_colors[VCR_ALERT_STATUS] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_alert_status, reporter);
|
|
this->vc_role_colors[VCR_ACTIVE_STATUS] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_active_status, reporter);
|
|
this->vc_role_colors[VCR_ACTIVE_STATUS2] =
|
|
make_pair(this->vc_role_colors[VCR_ACTIVE_STATUS].first | A_BOLD,
|
|
this->vc_role_colors[VCR_ACTIVE_STATUS].second | A_BOLD);
|
|
this->vc_role_colors[VCR_STATUS_TITLE] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_status_title, reporter);
|
|
this->vc_role_colors[VCR_STATUS_SUBTITLE] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_status_subtitle, reporter);
|
|
|
|
{
|
|
style_config stitch_sc;
|
|
|
|
stitch_sc.sc_color = lt.lt_style_status_subtitle.sc_background_color;
|
|
stitch_sc.sc_background_color =
|
|
lt.lt_style_status_title.sc_background_color;
|
|
this->vc_role_colors[VCR_STATUS_STITCH_TITLE_TO_SUB] =
|
|
this->to_attrs(color_pair_base, lt, stitch_sc, reporter);
|
|
}
|
|
{
|
|
style_config stitch_sc;
|
|
|
|
stitch_sc.sc_color = lt.lt_style_status_title.sc_background_color;
|
|
stitch_sc.sc_background_color =
|
|
lt.lt_style_status_subtitle.sc_background_color;
|
|
this->vc_role_colors[VCR_STATUS_STITCH_SUB_TO_TITLE] =
|
|
this->to_attrs(color_pair_base, lt, stitch_sc, reporter);
|
|
}
|
|
|
|
{
|
|
style_config stitch_sc;
|
|
|
|
stitch_sc.sc_color = lt.lt_style_status.sc_background_color;
|
|
stitch_sc.sc_background_color =
|
|
lt.lt_style_status_subtitle.sc_background_color;
|
|
this->vc_role_colors[VCR_STATUS_STITCH_SUB_TO_NORMAL] =
|
|
this->to_attrs(color_pair_base, lt, stitch_sc, reporter);
|
|
}
|
|
{
|
|
style_config stitch_sc;
|
|
|
|
stitch_sc.sc_color = lt.lt_style_status_subtitle.sc_background_color;
|
|
stitch_sc.sc_background_color =
|
|
lt.lt_style_status.sc_background_color;
|
|
this->vc_role_colors[VCR_STATUS_STITCH_NORMAL_TO_SUB] =
|
|
this->to_attrs(color_pair_base, lt, stitch_sc, reporter);
|
|
}
|
|
|
|
{
|
|
style_config stitch_sc;
|
|
|
|
stitch_sc.sc_color = lt.lt_style_status.sc_background_color;
|
|
stitch_sc.sc_background_color =
|
|
lt.lt_style_status_title.sc_background_color;
|
|
this->vc_role_colors[VCR_STATUS_STITCH_TITLE_TO_NORMAL] =
|
|
this->to_attrs(color_pair_base, lt, stitch_sc, reporter);
|
|
}
|
|
{
|
|
style_config stitch_sc;
|
|
|
|
stitch_sc.sc_color = lt.lt_style_status_title.sc_background_color;
|
|
stitch_sc.sc_background_color =
|
|
lt.lt_style_status.sc_background_color;
|
|
this->vc_role_colors[VCR_STATUS_STITCH_NORMAL_TO_TITLE] =
|
|
this->to_attrs(color_pair_base, lt, stitch_sc, reporter);
|
|
}
|
|
|
|
this->vc_role_colors[VCR_INACTIVE_STATUS] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_inactive_status, reporter);
|
|
|
|
this->vc_role_colors[VCR_POPUP] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_popup, reporter);
|
|
this->vc_role_colors[VCR_COLOR_HINT] = make_pair(
|
|
COLOR_PAIR(color_pair_base), COLOR_PAIR(color_pair_base + 1));
|
|
color_pair_base += 2;
|
|
|
|
this->vc_role_colors[VCR_KEYWORD] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_keyword, reporter);
|
|
this->vc_role_colors[VCR_STRING] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_string, reporter);
|
|
this->vc_role_colors[VCR_COMMENT] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_comment, reporter);
|
|
this->vc_role_colors[VCR_VARIABLE] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_variable, reporter);
|
|
this->vc_role_colors[VCR_SYMBOL] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_symbol, reporter);
|
|
this->vc_role_colors[VCR_NUMBER] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_number, reporter);
|
|
|
|
this->vc_role_colors[VCR_RE_SPECIAL] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_re_special, reporter);
|
|
this->vc_role_colors[VCR_RE_REPEAT] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_re_repeat, reporter);
|
|
this->vc_role_colors[VCR_FILE] = this->to_attrs(color_pair_base,
|
|
lt, lt.lt_style_file, reporter);
|
|
|
|
this->vc_role_colors[VCR_DIFF_DELETE] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_diff_delete, reporter);
|
|
this->vc_role_colors[VCR_DIFF_ADD] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_diff_add, reporter);
|
|
this->vc_role_colors[VCR_DIFF_SECTION] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_diff_section, reporter);
|
|
|
|
this->vc_role_colors[VCR_LOW_THRESHOLD] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_low_threshold, reporter);
|
|
this->vc_role_colors[VCR_MED_THRESHOLD] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_med_threshold, reporter);
|
|
this->vc_role_colors[VCR_HIGH_THRESHOLD] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_high_threshold, reporter);
|
|
|
|
for (log_level_t 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] = this->to_attrs(
|
|
color_pair_base, lt, lt.lt_style_text, reporter);
|
|
} else {
|
|
this->vc_level_attrs[level] = this->to_attrs(
|
|
color_pair_base, lt, level_iter->second, reporter);
|
|
}
|
|
}
|
|
|
|
if (initialized && this->vc_color_pair_end == 0) {
|
|
this->vc_color_pair_end = color_pair_base + 1;
|
|
}
|
|
}
|
|
|
|
int view_colors::ensure_color_pair(int &pair_base, const rgb_color &rgb_fg, const rgb_color &rgb_bg)
|
|
{
|
|
return attr_for_colors(
|
|
pair_base,
|
|
rgb_fg.empty() ? (short) COLOR_WHITE : ACTIVE_PALETTE->match_color(rgb_fg),
|
|
rgb_bg.empty() ? (short) COLOR_BLACK : ACTIVE_PALETTE->match_color(rgb_bg));
|
|
}
|
|
|
|
attr_t view_colors::attrs_for_ident(const char *str, size_t len) const
|
|
{
|
|
unsigned long index = crc32(1, (const Bytef*)str, len);
|
|
attr_t retval;
|
|
|
|
if (COLORS >= 256) {
|
|
unsigned long offset = index % HI_COLOR_COUNT;
|
|
retval = COLOR_PAIR(VC_ANSI_END + offset);
|
|
|
|
short fg, bg;
|
|
int pnum = PAIR_NUMBER(retval);
|
|
pair_content(pnum, &fg, &bg);
|
|
}
|
|
else {
|
|
retval = BASIC_HL_PAIRS[index % BASIC_COLOR_COUNT];
|
|
}
|
|
|
|
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);
|
|
}
|