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smenu.c
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/* ################################################################### */
/* Copyright 2015, Pierre Gentile ([email protected]) */
/* */
/* This Source Code Form is subject to the terms of the Mozilla Public */
/* License, v. 2.0. If a copy of the MPL was not distributed with this */
/* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
/* ################################################################### */
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <stdarg.h>
#include <signal.h>
#include <ctype.h>
#include <time.h>
#include <string.h>
#include <unistd.h>
#include <locale.h>
#include <langinfo.h>
#if (defined(__sun) && defined(__SVR4)) || defined(_AIX)
#include <curses.h>
#endif
#include <term.h>
#include <termios.h>
#include <regex.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <wchar.h>
#include "xmalloc.h"
#include "list.h"
#include "index.h"
#include "utf8.h"
#include "fgetc.h"
#include "utils.h"
#include "ctxopt.h"
#include "usage.h"
#include "safe.h"
#define BUF_MALLOC xmalloc
#define BUF_REALLOC xrealloc
#include "tinybuf.h"
#include "smenu.h"
/* ***************** */
/* Extern variables. */
/* ***************** */
extern ll_t *tst_search_list;
/* ***************** */
/* Global variables. */
/* ***************** */
word_t *word_a; /* array containing words data (size: count). */
long count = 0; /* number of words read from stdin. */
long current; /* index the current selection under the cursor). */
long new_current; /* final cur. position, (used in search function). */
long prev_current; /* prev. position stored when using direct access. */
long *line_nb_of_word_a; /* array containing the line number (from 0) *
| of each word read. */
long *first_word_in_line_a; /* array containing the index of the first *
| word of each lines. */
long *shift_right_sym_pos_a; /* screen column number of the right *
| scrolling symbol if any when in line or *
| column mode. */
int forgotten_timer = -1;
int help_timer = -1;
int winch_timer = -1;
int daccess_timer = -1;
int search_timer = -1;
search_mode_t search_mode = NONE;
search_mode_t old_search_mode = NONE;
int help_mode = 0; /* 1 if help is displayed else 0. */
int marked = -1; /* Index of the marked word or -1. */
char *word_buffer;
int (*my_isprint)(int);
int (*my_isempty)(const unsigned char *);
/* UTF-8 useful symbols. */
/* """"""""""""""""""""" */
/* clang-format off */
char * left_arrow = "\xe2\x86\x90"; /* ← leftwards arrow. */
char * up_arrow = "\xe2\x86\x91"; /* ↑ upwards arrow. */
char * right_arrow = "\xe2\x86\x92"; /* → rightwards arrow. */
char * down_arrow = "\xe2\x86\x93"; /* ↓ downwards arrow. */
char * vertical_bar = "\xe2\x94\x82"; /* │ box drawings light vertical. */
char * shift_left_sym = "\xe2\x97\x80"; /* ◀ black left-pointing triangle. */
char * shift_right_sym = "\xe2\x96\xb6"; /* ▶ black right-pointing triangle. */
char * sbar_line = "\xe2\x94\x82"; /* │ box drawings light vertical. */
char * hbar_line = "\xe2\x94\x80"; /* ─ box drawings light horizontal. */
char * hbar_left = "\xe2\x97\x80"; /* ◀ black left-pointing triangle. */
char * hbar_right = "\xe2\x96\xb6"; /* ▶ black right-pointing triangle. */
char * sbar_top = "\xe2\x94\x90"; /* ┐ box drawings light down and l. */
char * sbar_down = "\xe2\x94\x98"; /* ┘ box drawings light up and l. */
char * hbar_begin = "\xe2\x94\x94"; /* └ box drawings light up and r. */
char * hbar_end = "\xe2\x94\x98"; /* ┘ box drawings light up and l. */
char * sbar_curs = "\xe2\x94\x83"; /* ┃ box drawings heavy vertical. */
char * hbar_curs = "\xe2\x94\x81"; /* ━ box drawings heavy horizontal. */
char * sbar_arr_up = "\xe2\x96\xb2"; /* ▲ black up pointing triangle. */
char * sbar_arr_down = "\xe2\x96\xbc"; /* ▼ black down pointing triangle. */
char * msg_arr_down = "\xe2\x96\xbc"; /* ▼ black down pointing triangle. */
/* clang-format on */
/* Mouse tracking. */
/* """"""""""""""" */
char *mouse_trk_on;
char *mouse_trk_off;
/* Variables used to manage the direct access entries. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""" */
daccess_t daccess;
char *daccess_stack;
int daccess_stack_head;
/* Variables used for fuzzy and substring searching. */
/* """"""""""""""""""""""""""""""""""""""""""""""""" */
long *matching_words_da = NULL; /* Array containing the index of all *
| matching words. */
long *best_matching_words_da = NULL; /* Array containing the index of *
| matching words containing a *
| consecutive suite of matching *
| glyphs. */
long *alt_matching_words_da = NULL; /* Alternate array to contain only *
| the matching candidates having *
| potentially a starting/ending *
| pattern. */
/* Variables used in signal handlers. */
/* """""""""""""""""""""""""""""""""" */
volatile sig_atomic_t got_winch = 0;
volatile sig_atomic_t got_winch_alrm = 0;
volatile sig_atomic_t got_forgotten_alrm = 0;
volatile sig_atomic_t got_help_alrm = 0;
volatile sig_atomic_t got_daccess_alrm = 0;
volatile sig_atomic_t got_search_alrm = 0;
volatile sig_atomic_t got_timeout_tick = 0;
volatile sig_atomic_t got_sigpipe = 0;
volatile sig_atomic_t got_sigsegv = 0;
volatile sig_atomic_t got_sigterm = 0;
volatile sig_atomic_t got_sighup = 0;
/* Variables used when a timeout is set (option -x). */
/* """"""""""""""""""""""""""""""""""""""""""""""""" */
timeout_t timeout;
char *timeout_word; /* printed word when the timeout type is WORD. */
char *timeout_seconds; /* string containing the number of remaining *
| seconds. */
int quiet_timeout = 0; /* 1 when we want no message to be displayed. */
/* *************** */
/* Help functions. */
/* *************** */
/* ============================================================ */
/* Parse, create and add an help entry. */
/* - attributes are preprocessed for a future quicker display. */
/* - special entries t,m and c allow to ignore entries when not */
/* in tag mode, when the mouse is not usable or when not in */
/* column mode. */
/* */
/* entries IN array of help data. */
/* help_items_da OUT dynamic array to be updated. */
/* */
/* Return the number of help entries added in help_items_da. */
/* ============================================================ */
int
help_add_entries(win_t *win,
term_t *term,
toggle_t *toggles,
help_attr_entry_t ***help_items_da,
help_entry_t *entries,
int entries_nb)
{
int index;
int nb = 0;
help_attr_entry_t *attr_entry;
for (index = 0; index < entries_nb; index++)
{
/* Do not create a tag/pin related entry if tagging/pinning is not */
/* enabled. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
if (strchr(entries[index].flags, 't') && !toggles->taggable
&& !toggles->pinable)
continue;
/* Do not create a mouse related entry if -no_mouse is activated. */
/* """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
if (strchr(entries[index].flags, 'm') && toggles->no_mouse)
continue;
/* Do not create a column/row related entry if the column or line_mode */
/* is not activated. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
if (strchr(entries[index].flags, 'c') && !win->line_mode && !win->col_mode)
continue;
/* Allocate and initialize a new attribute. */
/* """""""""""""""""""""""""""""""""""""""" */
attr_entry = xmalloc(sizeof(help_attr_entry_t));
attr_entry->str = xstrdup(entries[index].str);
attr_entry->len = entries[index].len;
attr_entry->attr = attr_new();
if (term->colors > 0)
parse_attr(entries[index].main_attr_str, attr_entry->attr, term->colors);
else
parse_attr(entries[index].alt_attr_str, attr_entry->attr, term->colors);
/* Add it into a dynamic array. */
/* """""""""""""""""""""""""""" */
BUF_PUSH(*help_items_da, attr_entry);
nb++;
}
return nb;
}
/* ======================================================== */
/* Create an array of lines to be displayed by disp_help. */
/* Created lines will have a dynamic length with leading */
/* spaces removed. */
/* */
/* last_line IN last logical line number (from 0). */
/* help_items_da OUT dynamic array to be updated. */
/* */
/* Return the dynamic array containing help data with */
/* attributes processed. */
/* ======================================================== */
help_attr_entry_t ***
init_help(win_t *win,
term_t *term,
toggle_t *toggles,
long last_line,
help_attr_entry_t ***help_items_da)
{
int index; /* used to identify the objects long the help line. */
int entries_nb; /* number of all potentially displayable help *
| entries. */
int entries_total_nb; /* number of help entries to display. */
int line = 0; /* number of windows lines used by the help line. */
int len = 0; /* length of the help line. */
int max_col; /* when to split the help line. */
int forced_nl;
int first_in_line;
/* array of arrays containing help items. */
/* the content of this darray will be returned by this function. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
help_attr_entry_t ***help_lines_da = NULL;
/* array of help items, element of help_lines_da. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""" */
help_attr_entry_t **items_da = NULL;
entries_nb = BUF_LEN(*help_items_da);
if (entries_nb == 0)
{
char *Cleft_arrow = concat("^", left_arrow, (char *)0);
char *Cright_arrow = concat("^", right_arrow, (char *)0);
char *du_arrows = concat(down_arrow, up_arrow, (char *)0);
char *arrows = concat(left_arrow,
down_arrow,
up_arrow,
right_arrow,
(char *)0);
help_entry_t header_entries[] = {
{ "Start", 5, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "of", 2, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "quick", 5, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "help.", 5, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "jk", 2, "bu", "bu", "" }, { "/", 1, "u", "u", "" },
{ du_arrows, 2, "bu", "bu", "" }, { " ", 1, "u", "u", "" },
{ "to", 2, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "scroll.", 7, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "\"", 1, "u", "u", "" }, { "man", 3, "bu", "bu", "" },
{ " ", 1, "u", "u", "" }, { "smenu", 5, "bu", "bu", "" },
{ "\"", 1, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "for", 3, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "more", 4, "u", "u", "" }, { " ", 1, "u", "u", "" },
{ "help.", 5, "u", "u", "" },
};
help_entry_t generic_entries[] = {
{ "\n", 0, "", "", "" },
{ "Move:", 5, "5+b", "r", "" },
{ "Mouse:", 6, "2", "u", "m" },
{ "B1", 2, "b", "b", "m" },
{ ",", 1, "", "", "m" },
{ "B3", 2, "b", "b", "m" },
{ ",", 1, "", "", "m" },
{ "Wheel", 5, "b", "b", "m" },
{ " ", 1, "", "", "m" },
{ "Keyb:", 5, "2", "u", "m" },
{ "hjkl", 4, "b", "b", "" },
{ ",", 1, "", "", "" },
{ arrows, 4, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "PgUp", 4, "b", "b", "" },
{ "/", 1, "", "", "" },
{ "Dn", 2, "b", "b", "" },
{ ",", 1, "", "", "c" },
{ "S-HOME", 6, "b", "b", "c" },
{ "/", 1, "", "", "c" },
{ Cleft_arrow, 2, "b", "b", "c" },
{ "/", 1, "", "", "c" },
{ "H", 1, "b", "b", "c" },
{ ",", 1, "", "", "c" },
{ "S-END", 5, "b", "b", "c" },
{ "/", 1, "", "", "c" },
{ Cright_arrow, 2, "b", "b", "c" },
{ "/", 1, "", "", "c" },
{ "L", 1, "b", "b", "c" },
{ "\n", 0, "", "", "c" },
{ "Shift:", 6, "5+b", "r", "c" },
{ "<", 1, "b", "b", "c" },
{ ",", 1, "", "", "c" },
{ ">", 1, "b", "b", "c" },
{ "\n", 0, "", "", "" },
{ "Abort:", 6, "5+b", "r", "" },
{ "q", 1, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "^C", 2, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Cancel:", 7, "5+b", "r", "" },
{ "ESC", 3, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Select:", 7, "5+b", "r", "" },
{ "Mouse:", 6, "2", "u", "m" },
{ "Double-B1", 9, "b", "b", "m" },
{ " ", 1, "", "", "m" },
{ "Keyb:", 5, "2", "u", "m" },
{ "CR", 2, "b", "b", "" },
{ "\n", 0, "", "", "" },
{ "Search:", 7, "5+b", "r", "" },
{ " ", 1, "", "", "" },
{ "Default", 7, "3", "i", "" },
{ "(", 1, "", "", "" },
{ "Fuzzy", 5, "3", "i", "" },
{ ")", 1, "", "", "" },
{ ":", 1, "3", "i", "" },
{ "/", 1, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Substr:", 7, "3", "i", "" },
{ "\"", 1, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "\'", 1, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Prefix:", 7, "3", "i", "" },
{ "=", 1, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "^", 1, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Fuzzy:", 6, "3", "i", "" },
{ "~", 1, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "*", 1, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "HOME", 4, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "^A", 2, "b", "b", "" },
{ ",", 1, "", "", "" },
{ " ", 1, "", "", "" },
{ "END", 3, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "^Z", 2, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Auto-", 5, "3", "i", "" },
{ "complete:", 9, "3", "i", "" },
{ "TAB", 3, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Validate:", 9, "3", "i", "" },
{ "CR", 2, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Next:", 5, "3", "i", "" },
{ "SP", 2, "b", "b", "" },
{ ",", 1, "", "", "" },
{ "n", 1, "b", "b", "" },
{ " ", 1, "", "", "" },
{ "Prev:", 5, "3", "i", "" },
{ "N", 1, "b", "b", "" },
{ "\n", 0, "", "", "t" },
{ "Mark:", 5, "5+b", "r", "t" },
{ "Mouse:", 6, "2", "u", "tm" },
{ "^B1", 3, "b", "b", "tm" },
{ "/", 1, "b", "b", "tm" },
{ "B3", 2, "b", "b", "tm" },
{ " ", 1, "", "", "tm" },
{ "Keyb:", 5, "2", "u", "tm" },
{ "mM", 2, "b", "b", "t" },
{ "\n", 0, "", "", "t" },
{ "Tag:", 4, "5+b", "r", "t" },
{ "Mouse:", 6, "2", "u", "tm" },
{ "B3", 2, "B", "B", "tm" },
{ " ", 1, "", "", "tm" },
{ "Zone:", 5, "3", "i", "ctm" },
{ "/", 1, "b", "b", "ctm" },
{ "Row:", 4, "3", "i", "ctm" },
{ "/", 1, "b", "b", "ctm" },
{ "Col:", 4, "3", "i", "ctm" },
{ "^B3", 3, "B", "B", "ctm" },
{ " ", 1, "b", "b", "ct" },
{ "Keyb:", 5, "2", "u", "tm" },
{ "t", 1, "b", "b", "t" },
{ ",", 1, "", "", "t" },
{ "u", 1, "b", "b", "ct" },
{ " ", 1, "", "", "ct" },
{ "r", 1, "b", "b", "ct" },
{ ",", 1, "", "", "ct" },
{ "c", 1, "b", "b", "ct" },
{ " ", 1, "", "", "ct" },
{ "Cont:", 5, "3", "i", "t" },
{ "T", 1, "b", "b", "t" },
{ "...", 3, "", "", "t" },
{ "T", 1, "b", "b", "t" },
{ ",", 1, "", "", "t" },
{ "Zone:", 5, "3", "i", "t" },
{ "Z", 1, "b", "b", "t" },
{ "...", 3, "", "", "t" },
{ "Z", 1, "b", "b", "t" },
{ ",", 1, "", "", "ct" },
{ "Row:", 4, "3", "i", "ct" },
{ "R", 1, "b", "b", "ct" },
{ "...", 3, "", "", "ct" },
{ "R", 1, "b", "b", "ct" },
{ ",", 1, "", "", "ct" },
{ "Col:", 4, "3", "i", "ct" },
{ "C", 1, "b", "b", "ct" },
{ "...", 3, "", "", "ct" },
{ "C", 1, "b", "b", "ct" },
{ " ", 1, "", "", "t" },
{ "Undo:", 5, "3", "i", "t" },
{ "U", 1, "b", "b", "t" },
{ ",", 1, "", "", "t" },
{ "^T", 2, "b", "b", "t" },
{ " ", 1, "", "", "t" },
};
help_entry_t trailer_entries[] = {
{ "\n", 0, "", "", "" }, { "End", 3, "u", "u", "" },
{ " ", 1, "u", "u", "" }, { "of", 2, "u", "u", "" },
{ " ", 1, "u", "u", "" }, { "quick", 5, "u", "u", "" },
{ " ", 1, "u", "u", "" }, { "help.", 5, "u", "u", "" },
};
entries_total_nb = 0;
entries_nb = sizeof(header_entries) / sizeof(help_entry_t);
entries_total_nb += help_add_entries(win,
term,
toggles,
help_items_da,
header_entries,
entries_nb);
entries_nb = sizeof(generic_entries) / sizeof(help_entry_t);
entries_total_nb += help_add_entries(win,
term,
toggles,
help_items_da,
generic_entries,
entries_nb);
entries_nb = sizeof(trailer_entries) / sizeof(help_entry_t);
entries_total_nb += help_add_entries(win,
term,
toggles,
help_items_da,
trailer_entries,
entries_nb);
}
else
entries_total_nb = entries_nb;
/* Determine when to split the help line if necessary. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""" */
max_col = term->ncolumns - 1;
help_lines_da = NULL;
items_da = NULL;
first_in_line = 0;
/* Fill the darray of darrays, each line is a darray of help_attr_entry_t */
/* A new line is added each time the next entry does not fit in the */
/* width of the window. This is done as long as there is space left in */
/* the window. */
/* """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
for (index = 0; index < entries_total_nb; index++)
{
/* Ignore item if its length cannot be fully displayed. */
/* '''''''''''''''''''''''''''''''''''''''''''''''''''' */
if ((*help_items_da)[index]->len >= max_col)
continue;
/* increase the total length of displayed items in the line. */
/* ''''''''''''''''''''''''''''''''''''''''''''''''''''''''' */
len += (*help_items_da)[index]->len;
/* Set a flag if we need to start a new line. */
/* '''''''''''''''''''''''''''''''''''''''''' */
if (strcmp((*help_items_da)[index]->str, "\n") == 0)
forced_nl = 1;
else
forced_nl = 0;
if (len >= max_col || forced_nl)
{
line++;
first_in_line = 1;
/* Exit early if we do not have enough space. */
/* '''''''''''''''''''''''''''''''''''''''''' */
if (line > last_line)
break;
len = 0;
/* Dynamically push the current items_da in help_lines_da */
/* And initialize a new items_da. */
/* '''''''''''''''''''''''''''''''''''''''''''''''''''''' */
BUF_PUSH(help_lines_da, items_da);
items_da = NULL;
/* Do not put the '\n' in the current items_da. */
/* '''''''''''''''''''''''''''''''''''''''''''' */
if (forced_nl)
continue;
}
/* Skip ' ' and ',' when they appear first in a line. */
/* '''''''''''''''''''''''''''''''''''''''''''''''''' */
if (first_in_line)
if (strcmp((*help_items_da)[index]->str, " ") == 0
|| strcmp((*help_items_da)[index]->str, ",") == 0)
continue;
first_in_line = 0;
BUF_PUSH(items_da, (*help_items_da)[index]);
}
if (items_da != NULL)
BUF_PUSH(help_lines_da, items_da);
return help_lines_da;
}
/* ================================================= */
/* Display the quick help content. */
/* */
/* help_lines_da IN array of help lines. */
/* fst_disp_help_line IN first help line to display. */
/* ================================================= */
void
disp_help(win_t *win,
term_t *term,
help_attr_entry_t ***help_lines_da,
int fst_disp_help_line)
{
int index; /* used to identify the objects long the help line. */
int max_col; /* when to split the help line. */
int displayed_lines;
int total_lines;
help_attr_entry_t **items_da;
/* Determine when to split the help line if necessary. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""" */
max_col = term->ncolumns - 1;
/* Save the position of the terminal cursor so that it can be */
/* put back there after printing of the help line. */
/* """""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
(void)tputs(TPARM1(save_cursor), 1, outch);
displayed_lines = 0;
total_lines = BUF_LEN(help_lines_da);
/* Print the different objects forming the help lines. */
/* """"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""" */
for (index = fst_disp_help_line; index < total_lines; index++)
{
int i;
int item;
int nb_items;
int len;
if (displayed_lines == win->max_lines)
break;
displayed_lines++;
len = 0;
items_da = help_lines_da[index];
nb_items = BUF_LEN(items_da);
(void)tputs(TPARM1(exit_attribute_mode), 1, outch);
for (item = 0; item < nb_items; item++)
{
help_attr_entry_t *entry;
entry = items_da[item];
len += entry->len;
(void)tputs(TPARM1(exit_attribute_mode), 1, outch);
apply_attr(term, *(entry->attr));
fputs_safe(entry->str, stdout);
(void)tputs(TPARM1(exit_attribute_mode), 1, outch);
}
/* Fill the remaining space with spaces. */
/* """"""""""""""""""""""""""""""""""""" */
for (i = len; i < max_col; i++)
fputc_safe(' ', stdout);
if (displayed_lines < win->max_lines)
fputc_safe('\n', stdout);
}
/* Put back the cursor to its saved position. */
/* """""""""""""""""""""""""""""""""""""""""" */
(void)tputs(TPARM1(restore_cursor), 1, outch);
}
/* *********************************** */
/* Attributes string parsing function. */
/* *********************************** */
/* =========================================================== */
/* Allocation and initialization of a new attribute structure. */
/* */
/* Return the newly created attribute. */
/* =========================================================== */
attrib_t *
attr_new(void)
{
attrib_t *attr;
attr = xmalloc(sizeof(attrib_t));
attr->is_set = UNSET;
attr->fg = -1;
attr->bg = -1;
attr->bold = (signed char)-1;
attr->dim = (signed char)-1;
attr->reverse = (signed char)-1;
attr->standout = (signed char)-1;
attr->underline = (signed char)-1;
attr->italic = (signed char)-1;
attr->invis = (signed char)-1;
attr->blink = (signed char)-1;
return attr;
}
/* ============================================ */
/* Decode attributes toggles if any. */
/* b -> bold */
/* d -> dim */
/* r -> reverse */
/* s -> standout */
/* u -> underline */
/* i -> italic */
/* x -> invis */
/* l -> blink */
/* */
/* Return 0 if some unexpected toggle is found, */
/* 1 otherwise. */
/* ============================================ */
int
decode_attr_toggles(char *s, attrib_t *attr)
{
int rc = 1;
attr->bold = (signed char)0;
attr->dim = (signed char)0;
attr->reverse = (signed char)0;
attr->standout = (signed char)0;
attr->underline = (signed char)0;
attr->italic = (signed char)0;
attr->invis = (signed char)0;
attr->blink = (signed char)0;
while (*s != '\0')
{
switch (*s)
{
case 'b':
attr->bold = (signed char)1;
attr->is_set = SET;
break;
case 'd':
attr->dim = (signed char)1;
attr->is_set = SET;
break;
case 'r':
attr->reverse = (signed char)1;
attr->is_set = SET;
break;
case 's':
attr->standout = (signed char)1;
attr->is_set = SET;
break;
case 'u':
attr->underline = (signed char)1;
attr->is_set = SET;
break;
case 'i':
attr->italic = (signed char)1;
attr->is_set = SET;
break;
case 'n':
attr->invis = (signed char)1;
attr->is_set = SET;
break;
case 'l':
attr->blink = (signed char)1;
attr->is_set = SET;
break;
default:
rc = 0;
break;
}
s++;
}
return rc;
}
/* =============================================================*/
/* Parse attributes in str in the form [fg][/bg][[,.+]toggles] */
/* where: */
/* fg and bg are short representing a color value */
/* toggles is an array of toggles (see decode_attr_toggles) */
/* Returns 1 on success else 0. */
/* attr will be filled by the function. */
/* =============================================================*/
int
parse_attr(char *str, attrib_t *attr, short colors)
{
int n;
char *pos;
char s1[12] = { (char)0 }; /* For the colors. */
char s2[9] = { (char)0 }; /* For the attributes. */
short d1 = -1, d2 = -1; /* colors. */
int rc = 1;
char c = '\0';
/* 11: 4 type+colon,2x3 for colors, 1 for slash. */
/* 8 : max size for the concatenation of attributes. */
/* ''''''''''''''''''''''''''''''''''''''''''''''''' */
n = sscanf(str, "%11[^,.+]%*[,.+]%8s%c", s1, s2, &c);
if (n == 0 || c != '\0')
goto error;
if ((pos = strchr(s1, '/')))
{
if (pos == s1) /* s1 starts with a / */
{
d1 = -1;
if (sscanf(s1 + 1, "%hd", &d2) == 0)
{
d2 = -1;
if (n == 1)
goto error;
}
else if (d2 < 0)
goto error;
}
else if (sscanf(s1, "%hd/%hd", &d1, &d2) < 2)
{
d1 = d2 = -1;
if (n == 1)
goto error;
}
else if (d1 < 0 || d2 < 0)
goto error;
}
else /* no / in the first string. */
{
d2 = -1;
if (sscanf(s1, "%hd", &d1) == 0)
{
d1 = -1;
if (n == 2 || decode_attr_toggles(s1, attr) == 0)
goto error;
}
}
if (colors == 0) /* Monochrome. */
{
attr->fg = -1;
attr->bg = -1;
}
else
{
attr->fg = d1 < colors ? d1 : -1;
attr->bg = d2 < colors ? d2 : -1;
}
if (n == 2)
rc = decode_attr_toggles(s2, attr);
return rc;
error:
return 0;
}
/* ============================================== */
/* Set the terminal attributes according to attr. */
/* ============================================== */
void
apply_attr(term_t *term, attrib_t attr)
{
if (attr.fg >= 0)
set_foreground_color(term, attr.fg);
if (attr.bg >= 0)
set_background_color(term, attr.bg);
if (attr.bold > (signed char)0)
(void)tputs(TPARM1(enter_bold_mode), 1, outch);
if (attr.dim > (signed char)0)
(void)tputs(TPARM1(enter_dim_mode), 1, outch);
if (attr.reverse > (signed char)0)
(void)tputs(TPARM1(enter_reverse_mode), 1, outch);
if (attr.standout > (signed char)0)
(void)tputs(TPARM1(enter_standout_mode), 1, outch);
if (attr.underline > (signed char)0)
(void)tputs(TPARM1(enter_underline_mode), 1, outch);
if (attr.italic > (signed char)0)
(void)tputs(TPARM1(enter_italics_mode), 1, outch);
if (attr.invis > (signed char)0)
(void)tputs(TPARM1(enter_secure_mode), 1, outch);
if (attr.blink > (signed char)0)
(void)tputs(TPARM1(enter_blink_mode), 1, outch);
}
/* ********************* */
/* ini parsing function. */
/* ********************* */
/* ===================================================== */
/* Callback function called when parsing each non-header */
/* line of the ini file. */
/* Returns 0 if OK, 1 if not. */
/* ===================================================== */
int
ini_cb(win_t *win,
term_t *term,
limit_t *limits,
ticker_t *timers,
misc_t *misc,
mouse_t *mouse,
const char *section,
const char *name,
char *value)
{
int error = 0;
int has_colors = term->colors > 7;
if (strcmp(section, "colors") == 0)
{
attrib_t v = { UNSET,
/* fg */ -1,
/* bg */ -1,
/* bold */ (signed char)-1,
/* dim */ (signed char)-1,
/* reverse */ (signed char)-1,
/* standout */ (signed char)-1,
/* underline */ (signed char)-1,
/* italic */ (signed char)-1,
/* invis */ (signed char)-1,
/* blink */ (signed char)-1 };
#define CHECK_ATTR(x) \
else if (strcmp(name, #x) == 0) \
{ \
error = !parse_attr(value, &v, term->colors); \
if (error) \
goto out; \
else \
{ \
if (win->x##_attr.is_set != FORCED) \
{ \
win->x##_attr.is_set = SET; \
if (v.fg >= 0) \
win->x##_attr.fg = v.fg; \
if (v.bg >= 0) \
win->x##_attr.bg = v.bg; \
if (v.bold >= (signed char)0) \
win->x##_attr.bold = v.bold; \
if (v.dim >= (signed char)0) \
win->x##_attr.dim = v.dim; \
if (v.reverse >= (signed char)0) \
win->x##_attr.reverse = v.reverse; \
if (v.standout >= (signed char)0) \
win->x##_attr.standout = v.standout; \
if (v.underline >= (signed char)0) \
win->x##_attr.underline = v.underline; \
if (v.italic >= (signed char)0) \
win->x##_attr.italic = v.italic; \
if (v.invis >= (signed char)0) \
win->x##_attr.invis = v.invis; \
if (v.blink >= (signed char)0) \
win->x##_attr.blink = v.blink; \
} \
} \
}
#define CHECK_ATT_ATTR(x, y) \
else if (strcmp(name, #x #y) == 0) \
{ \
error = !parse_attr(value, &v, term->colors); \
if (error) \
goto out; \
else \
{ \
if (win->x##_attr[y - 1].is_set != FORCED) \
{ \
win->x##_attr[y - 1].is_set = SET; \
if (v.fg >= 0) \
win->x##_attr[y - 1].fg = v.fg; \
if (v.bg >= 0) \
win->x##_attr[y - 1].bg = v.bg; \
if (v.bold >= (signed char)0) \
win->x##_attr[y - 1].bold = v.bold; \
if (v.dim >= (signed char)0) \
win->x##_attr[y - 1].dim = v.dim; \
if (v.reverse >= (signed char)0) \
win->x##_attr[y - 1].reverse = v.reverse; \
if (v.standout >= (signed char)0) \
win->x##_attr[y - 1].standout = v.standout; \
if (v.underline >= (signed char)0) \
win->x##_attr[y - 1].underline = v.underline; \
if (v.italic >= (signed char)0) \
win->x##_attr[y - 1].italic = v.italic; \
if (v.invis >= (signed char)0) \
win->x##_attr[y - 1].invis = v.invis; \
if (v.blink >= (signed char)0) \
win->x##_attr[y - 1].blink = v.blink; \
} \
} \
}
/* [colors] section. */
/* """"""""""""""""" */
if (has_colors)
{
if (strcmp(name, "method") == 0)
{
if (strcmp(value, "classic") == 0)
term->color_method = CLASSIC;
else if (strcmp(value, "ansi") == 0)
term->color_method = ANSI;
else
{
error = 1;
goto out;
}
}
/* clang-format off */
CHECK_ATTR(cursor)
CHECK_ATTR(bar)
CHECK_ATTR(shift)
CHECK_ATTR(message)
CHECK_ATTR(search_field)
CHECK_ATTR(search_text)
CHECK_ATTR(match_field)
CHECK_ATTR(match_text)
CHECK_ATTR(match_err_field)
CHECK_ATTR(match_err_text)