cosmopolitan/tool/build/lib/message.c
2022-09-06 07:04:13 -07:00

66 lines
3.2 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/log/check.h"
#include "libc/macros.internal.h"
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "libc/str/strwidth.h"
#include "tool/build/lib/buffer.h"
#include "tool/build/lib/lines.h"
#include "tool/build/lib/panel.h"
static int GetWidthOfLongestLine(struct Lines *lines) {
int i, w, m;
for (m = i = 0; i < lines->n; ++i) {
w = strwidth(lines->p[i], 0);
m = MAX(m, w);
}
return m;
}
void PrintMessageBox(int fd, const char *msg, long tyn, long txn) {
struct Buffer b;
int i, w, h, x, y;
struct Lines *lines;
lines = NewLines();
AppendLines(lines, msg);
h = 3 + lines->n + 3;
w = 4 + GetWidthOfLongestLine(lines) + 4;
x = (txn / 2. - w / 2.) + .5;
y = (tyn / 2. - h / 2.) + .5;
bzero(&b, sizeof(b));
AppendFmt(&b, "\e[%d;%dH", y++, x);
for (i = 0; i < w; ++i) AppendStr(&b, " ");
AppendFmt(&b, "\e[%d;%dH ╔", y++, x);
for (i = 0; i < w - 4; ++i) AppendStr(&b, "");
AppendStr(&b, "");
AppendFmt(&b, "\e[%d;%dH ║ %-*s ║ ", y++, x, w - 8, "");
for (i = 0; i < lines->n; ++i) {
AppendFmt(&b, "\e[%d;%dH ║ %-*s ║ ", y++, x, w - 8, lines->p[i]);
}
FreeLines(lines);
AppendFmt(&b, "\e[%d;%dH ║ %-*s ║ ", y++, x, w - 8, "");
AppendFmt(&b, "\e[%d;%dH ╚", y++, x);
for (i = 0; i < w - 4; ++i) AppendStr(&b, "");
AppendStr(&b, "");
AppendFmt(&b, "\e[%d;%dH", y++, x);
for (i = 0; i < w; ++i) AppendStr(&b, " ");
CHECK_NE(-1, WriteBuffer(&b, fd));
free(b.p);
}