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