cosmopolitan/tool/build/lib/message.c

48 lines
2.8 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 │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ 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 │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/log/check.h"
#include "libc/math.h"
#include "libc/mem/mem.h"
#include "libc/str/str.h"
#include "tool/build/lib/buffer.h"
#include "tool/build/lib/panel.h"
void PrintMessageBox(int fd, const char *msg, long tyn, long txn) {
char buf[1];
struct Buffer b;
int i, w, h, x, y;
h = 2 + 1 + 2;
w = 3 + strlen(msg) + 3;
x = lrint(txn / 2. - w / 2.);
y = lrint(tyn / 2. - h / 2.);
memset(&b, 0, sizeof(b));
AppendFmt(&b, "\e[%d;%dH╔", y++, x);
for (i = 0; i < w - 2; ++i) AppendStr(&b, "");
AppendStr(&b, "");
AppendFmt(&b, "\e[%d;%dH║ %-*s ║", y++, x, w - 6, "");
AppendFmt(&b, "\e[%d;%dH║ %-*s ║", y++, x, w - 6, msg);
AppendFmt(&b, "\e[%d;%dH║ %-*s ║", y++, x, w - 6, "");
AppendFmt(&b, "\e[%d;%dH╚", y++, x);
for (i = 0; i < w - 2; ++i) AppendStr(&b, "");
AppendStr(&b, "");
CHECK_NE(-1, WriteBuffer(&b, fd));
free(b.p);
}