1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/* Copyright (C) 2018 Curtis McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define _XOPEN_SOURCE_EXTENDED
#include <curses.h>
#include <err.h>
#include <locale.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <wchar.h>
#include <wctype.h>
#include "chat.h"
static const int TOPIC_COLS = 512;
static const int CHAT_LINES = 100;
static const int INPUT_COLS = 512;
static struct {
WINDOW *topic;
WINDOW *chat;
WINDOW *input;
} ui;
void uiInit(void) {
setlocale(LC_CTYPE, "");
initscr();
cbreak();
noecho();
keypad(stdscr, true);
start_color();
use_default_colors();
for (short pair = 0; pair < 077; ++pair) {
if (pair < 010) {
init_pair(1 + pair, pair, -1);
} else {
init_pair(1 + pair, pair & 007, (pair & 070) >> 3);
}
}
ui.topic = newpad(2, TOPIC_COLS);
mvwhline(ui.topic, 1, 0, ACS_HLINE, TOPIC_COLS);
ui.chat = newpad(CHAT_LINES, COLS);
wsetscrreg(ui.chat, 0, CHAT_LINES - 1);
scrollok(ui.chat, true);
wmove(ui.chat, CHAT_LINES - (LINES - 4) - 1, 0);
ui.input = newpad(2, INPUT_COLS);
mvwhline(ui.input, 0, 0, ACS_HLINE, INPUT_COLS);
wmove(ui.input, 1, 0);
}
void uiHide(void) {
endwin();
}
void uiDraw(void) {
pnoutrefresh(ui.topic, 0, 0, 0, 0, 1, COLS - 1);
pnoutrefresh(
ui.chat,
CHAT_LINES - (LINES - 4), 0,
2, 0, LINES - 1, COLS - 1
);
pnoutrefresh(
ui.input,
0, 0,
LINES - 2, 0,
LINES - 1, COLS - 1
);
doupdate();
}
static const struct {
attr_t attr;
short color;
} MIRC_COLORS[16] = {
{ A_BOLD, COLOR_WHITE }, // white
{ A_NORMAL, COLOR_BLACK }, // black
{ A_NORMAL, COLOR_BLUE }, // blue
{ A_NORMAL, COLOR_GREEN }, // green
{ A_BOLD, COLOR_RED }, // red
{ A_NORMAL, COLOR_RED }, // "brown"
{ A_NORMAL, COLOR_MAGENTA }, // magenta
{ A_NORMAL, COLOR_YELLOW }, // "orange"
{ A_BOLD, COLOR_YELLOW }, // yellow
{ A_BOLD, COLOR_GREEN }, // light green
{ A_NORMAL, COLOR_CYAN }, // cyan
{ A_BOLD, COLOR_CYAN }, // light cyan
{ A_BOLD, COLOR_BLUE }, // light blue
{ A_BOLD, COLOR_MAGENTA }, // "pink"
{ A_BOLD, COLOR_BLACK }, // grey
{ A_NORMAL, COLOR_WHITE }, // light grey
};
static void uiAdd(WINDOW *win, const char *str) {
attr_t attr = A_NORMAL;
short colorPair = -1;
attr_t colorAttr = A_NORMAL;
for (;;) {
size_t cc = strcspn(str, "\2\3\35\37");
wattr_set(win, attr | colorAttr, 1 + colorPair, NULL);
waddnstr(win, str, cc);
if (!str[cc]) break;
str = &str[cc];
switch (*str++) {
break; case '\2': attr ^= A_BOLD;
break; case '\35': attr ^= A_ITALIC;
break; case '\37': attr ^= A_UNDERLINE;
break; case '\3': {
short fg = 0;
short bg = 0;
size_t fgLen = strspn(str, "0123456789");
if (!fgLen) {
colorPair = -1;
colorAttr = A_NORMAL;
break;
}
if (fgLen > 2) fgLen = 2;
for (size_t i = 0; i < fgLen; ++i) {
fg *= 10;
fg += str[i] - '0';
}
str = &str[fgLen];
size_t bgLen = (str[0] == ',') ? strspn(&str[1], "0123456789") : 0;
if (bgLen > 2) bgLen = 2;
for (size_t i = 0; i < bgLen; ++i) {
bg *= 10;
bg += str[1 + i] - '0';
}
if (bgLen) str = &str[1 + bgLen];
if (colorPair == -1) colorPair = 0;
colorPair = (colorPair & 070) | MIRC_COLORS[fg].color;
colorAttr = MIRC_COLORS[fg].attr;
if (bgLen) {
colorPair = (colorPair & 007) | (MIRC_COLORS[bg].color << 3);
}
}
}
}
}
void uiTopic(const char *topic) {
wmove(ui.topic, 0, 0);
wclrtoeol(ui.topic);
uiAdd(ui.topic, topic);
}
void uiChat(const char *line) {
waddch(ui.chat, '\n');
uiAdd(ui.chat, line);
}
void uiFmt(const char *format, ...) {
char *buf;
va_list ap;
va_start(ap, format);
vasprintf(&buf, format, ap);
va_end(ap);
if (!buf) err(EX_OSERR, "vasprintf");
uiChat(buf);
free(buf);
}
void uiRead(void) {
static wchar_t buf[512];
static size_t len;
wint_t ch;
wget_wch(ui.input, &ch);
switch (ch) {
break; case '\b': case '\177': {
if (len) len--;
}
break; case '\n': {
if (!len) break;
buf[len] = '\0';
input(buf);
len = 0;
}
break; default: {
if (iswprint(ch)) buf[len++] = ch;
}
}
wmove(ui.input, 1, 0);
waddnwstr(ui.input, buf, len);
wclrtoeol(ui.input);
}
|