mirror of
https://github.com/jart/cosmopolitan.git
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56 lines
2.7 KiB
C
56 lines
2.7 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 "dsp/tty/tty.h"
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#include "libc/intrin/pushpop.h"
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#include "libc/dce.h"
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#include "libc/log/internal.h"
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#include "libc/log/log.h"
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#include "libc/nt/console.h"
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#include "libc/nt/runtime.h"
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#include "libc/nt/struct/consolecursorinfo.h"
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#include "libc/runtime/runtime.h"
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/* TODO(jart): DELETE */
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static int ttysetcursor(int fd, bool visible) {
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struct NtConsoleCursorInfo ntcursor;
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char code[8] = "\e[?25l";
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if (__nocolor) return 0;
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if (visible) code[5] = 'h';
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if (SupportsWindows()) {
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GetConsoleCursorInfo(GetStdHandle(kNtStdOutputHandle), &ntcursor);
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ntcursor.bVisible = visible;
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SetConsoleCursorInfo(GetStdHandle(kNtStdOutputHandle), &ntcursor);
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}
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return ttysend(fd, code);
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}
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/**
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* Asks teletypewriter to hide blinking box.
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*/
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int ttyhidecursor(int fd) {
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return ttysetcursor(fd, false);
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}
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/**
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* Asks teletypewriter to restore blinking box.
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*/
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int ttyshowcursor(int fd) {
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return ttysetcursor(fd, true);
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}
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