2020-04-20 13:25:36 +00:00
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/* $OpenBSD$ */
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/*
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* Copyright (c) 2020 Nicholas Marriott <nicholas.marriott@gmail.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* 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 WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Still hardcoded:
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* - default colours (under AX or op capabilities);
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* - AIX colours (under colors >= 16);
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2020-05-16 14:46:14 +00:00
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* - alternate escape (if terminal is VT100-like).
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2020-04-20 13:25:36 +00:00
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*
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* Also:
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2020-05-16 14:22:51 +00:00
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* - DECFRA uses a flag instead of capabilities;
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2020-04-20 13:25:36 +00:00
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* - UTF-8 is a separate flag on the client; needed for unattached clients.
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*/
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/* A named terminal feature. */
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struct tty_feature {
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2022-08-15 08:41:13 +00:00
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const char *name;
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const char *const *capabilities;
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int flags;
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2020-04-20 13:25:36 +00:00
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};
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/* Terminal has xterm(1) title setting. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_title_capabilities[] = {
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2020-04-20 13:25:36 +00:00
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"tsl=\\E]0;", /* should be using TS really */
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"fsl=\\a",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_title = {
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2020-04-20 13:25:36 +00:00
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"title",
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tty_feature_title_capabilities,
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0
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};
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2022-03-24 09:05:57 +00:00
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/* Terminal has OSC 7 working directory. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_osc7_capabilities[] = {
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2022-03-24 09:05:57 +00:00
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"Swd=\\E]7;",
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"fsl=\\a",
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NULL
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};
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static const struct tty_feature tty_feature_osc7 = {
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"osc7",
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tty_feature_osc7_capabilities,
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0
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};
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2021-06-10 07:59:08 +00:00
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/* Terminal has mouse support. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_mouse_capabilities[] = {
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2021-06-10 07:59:08 +00:00
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"kmous=\\E[M",
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NULL
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};
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static const struct tty_feature tty_feature_mouse = {
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"mouse",
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tty_feature_mouse_capabilities,
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0
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};
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2020-04-20 13:25:36 +00:00
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/* Terminal can set the clipboard with OSC 52. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_clipboard_capabilities[] = {
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2020-04-20 13:25:36 +00:00
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"Ms=\\E]52;%p1%s;%p2%s\\a",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_clipboard = {
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2020-04-20 13:25:36 +00:00
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"clipboard",
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tty_feature_clipboard_capabilities,
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0
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};
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2022-06-30 09:55:53 +00:00
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/* Terminal supports OSC 8 hyperlinks. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_hyperlinks_capabilities[] = {
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2022-06-30 09:55:53 +00:00
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"*:Hls=\\E]8;%?%p1%l%tid=%p1%s%;;%p2%s\\E\\\\",
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NULL
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};
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static const struct tty_feature tty_feature_hyperlinks = {
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"hyperlinks",
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tty_feature_hyperlinks_capabilities,
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0
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};
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2020-04-20 13:25:36 +00:00
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/*
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* Terminal supports RGB colour. This replaces setab and setaf also since
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* terminals with RGB have versions that do not allow setting colours from the
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* 256 palette.
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*/
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_rgb_capabilities[] = {
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2020-04-21 10:37:11 +00:00
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"AX",
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2020-04-20 13:25:36 +00:00
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"setrgbf=\\E[38;2;%p1%d;%p2%d;%p3%dm",
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"setrgbb=\\E[48;2;%p1%d;%p2%d;%p3%dm",
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"setab=\\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m",
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"setaf=\\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_rgb = {
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2020-04-20 13:25:36 +00:00
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"RGB",
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tty_feature_rgb_capabilities,
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2020-05-16 14:22:51 +00:00
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TERM_256COLOURS|TERM_RGBCOLOURS
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2020-04-20 13:25:36 +00:00
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};
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/* Terminal supports 256 colours. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_256_capabilities[] = {
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2020-04-21 10:37:11 +00:00
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"AX",
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2020-04-20 13:25:36 +00:00
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"setab=\\E[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m",
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"setaf=\\E[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_256 = {
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2020-04-20 13:25:36 +00:00
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"256",
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tty_feature_256_capabilities,
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TERM_256COLOURS
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};
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/* Terminal supports overline. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_overline_capabilities[] = {
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2020-04-20 13:25:36 +00:00
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"Smol=\\E[53m",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_overline = {
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2020-04-20 13:25:36 +00:00
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"overline",
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tty_feature_overline_capabilities,
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0
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};
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/* Terminal supports underscore styles. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_usstyle_capabilities[] = {
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2020-07-18 02:53:47 +00:00
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"Smulx=\\E[4::%p1%dm",
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"Setulc=\\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m",
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2020-10-05 09:53:01 +00:00
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"ol=\\E[59m",
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2020-04-20 13:25:36 +00:00
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_usstyle = {
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2020-04-20 13:25:36 +00:00
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"usstyle",
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tty_feature_usstyle_capabilities,
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0
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};
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2020-05-16 14:46:14 +00:00
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/* Terminal supports bracketed paste. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_bpaste_capabilities[] = {
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2020-05-16 14:46:14 +00:00
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"Enbp=\\E[?2004h",
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"Dsbp=\\E[?2004l",
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NULL
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};
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static const struct tty_feature tty_feature_bpaste = {
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"bpaste",
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tty_feature_bpaste_capabilities,
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0
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};
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/* Terminal supports focus reporting. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_focus_capabilities[] = {
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2020-05-16 14:46:14 +00:00
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"Enfcs=\\E[?1004h",
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"Dsfcs=\\E[?1004l",
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NULL
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};
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static const struct tty_feature tty_feature_focus = {
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"focus",
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tty_feature_focus_capabilities,
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0
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};
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2020-04-20 13:25:36 +00:00
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/* Terminal supports cursor styles. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_cstyle_capabilities[] = {
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2020-04-20 13:25:36 +00:00
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"Ss=\\E[%p1%d q",
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"Se=\\E[2 q",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_cstyle = {
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2020-04-20 13:25:36 +00:00
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"cstyle",
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tty_feature_cstyle_capabilities,
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0
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};
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/* Terminal supports cursor colours. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_ccolour_capabilities[] = {
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2020-04-20 13:25:36 +00:00
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"Cs=\\E]12;%p1%s\\a",
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"Cr=\\E]112\\a",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_ccolour = {
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2020-04-20 13:25:36 +00:00
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"ccolour",
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tty_feature_ccolour_capabilities,
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0
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};
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2020-05-16 14:46:14 +00:00
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/* Terminal supports strikethrough. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_strikethrough_capabilities[] = {
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2020-05-16 14:46:14 +00:00
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"smxx=\\E[9m",
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NULL
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};
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static const struct tty_feature tty_feature_strikethrough = {
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"strikethrough",
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tty_feature_strikethrough_capabilities,
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0
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};
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2020-04-20 13:25:36 +00:00
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/* Terminal supports synchronized updates. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_sync_capabilities[] = {
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2020-04-20 13:38:48 +00:00
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"Sync=\\EP=%p1%ds\\E\\\\",
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2020-04-20 13:25:36 +00:00
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_sync = {
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2020-04-20 13:25:36 +00:00
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"sync",
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tty_feature_sync_capabilities,
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0
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};
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2020-05-16 16:44:54 +00:00
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/* Terminal supports extended keys. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_extkeys_capabilities[] = {
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2020-05-16 16:44:54 +00:00
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"Eneks=\\E[>4;1m",
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"Dseks=\\E[>4m",
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NULL
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};
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static const struct tty_feature tty_feature_extkeys = {
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"extkeys",
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tty_feature_extkeys_capabilities,
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0
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};
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2020-04-20 13:25:36 +00:00
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/* Terminal supports DECSLRM margins. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_margins_capabilities[] = {
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2020-05-16 14:22:51 +00:00
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"Enmg=\\E[?69h",
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"Dsmg=\\E[?69l",
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"Clmg=\\E[s",
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"Cmg=\\E[%i%p1%d;%p2%ds",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_margins = {
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2020-04-20 13:25:36 +00:00
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"margins",
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2020-05-16 14:22:51 +00:00
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tty_feature_margins_capabilities,
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2020-04-20 13:25:36 +00:00
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TERM_DECSLRM
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};
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/* Terminal supports DECFRA rectangle fill. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_rectfill_capabilities[] = {
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2021-06-10 07:28:45 +00:00
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"Rect",
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NULL
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};
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2020-05-16 14:46:14 +00:00
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static const struct tty_feature tty_feature_rectfill = {
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2020-04-20 13:25:36 +00:00
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"rectfill",
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2021-06-10 07:28:45 +00:00
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tty_feature_rectfill_capabilities,
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2020-04-20 13:25:36 +00:00
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TERM_DECFRA
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};
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2022-06-14 07:29:00 +00:00
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/* Use builtin function keys only. */
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2022-08-15 08:41:13 +00:00
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static const char *const tty_feature_ignorefkeys_capabilities[] = {
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2022-06-14 07:29:00 +00:00
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"kf0@",
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"kf1@",
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"kf2@",
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"kf3@",
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"kf4@",
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"kf5@",
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"kf6@",
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"kf7@",
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"kf8@",
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"kf9@",
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"kf10@",
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"kf11@",
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"kf12@",
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"kf13@",
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"kf14@",
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"kf15@",
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"kf16@",
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"kf17@",
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"kf18@",
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"kf19@",
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"kf20@",
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"kf21@",
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"kf22@",
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"kf23@",
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"kf24@",
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"kf25@",
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"kf26@",
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"kf27@",
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"kf28@",
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"kf29@",
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"kf30@",
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"kf31@",
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"kf32@",
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"kf33@",
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"kf34@",
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"kf35@",
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"kf36@",
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"kf37@",
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"kf38@",
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"kf39@",
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"kf40@",
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"kf41@",
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"kf42@",
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"kf43@",
|
|
|
|
"kf44@",
|
|
|
|
"kf45@",
|
|
|
|
"kf46@",
|
|
|
|
"kf47@",
|
|
|
|
"kf48@",
|
|
|
|
"kf49@",
|
|
|
|
"kf50@",
|
|
|
|
"kf51@",
|
|
|
|
"kf52@",
|
|
|
|
"kf53@",
|
|
|
|
"kf54@",
|
|
|
|
"kf55@",
|
|
|
|
"kf56@",
|
|
|
|
"kf57@",
|
|
|
|
"kf58@",
|
|
|
|
"kf59@",
|
|
|
|
"kf60@",
|
|
|
|
"kf61@",
|
|
|
|
"kf62@",
|
|
|
|
"kf63@",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
static const struct tty_feature tty_feature_ignorefkeys = {
|
|
|
|
"ignorefkeys",
|
|
|
|
tty_feature_ignorefkeys_capabilities,
|
|
|
|
0
|
|
|
|
};
|
|
|
|
|
2022-11-11 08:37:55 +00:00
|
|
|
/* Terminal has sixel capability. */
|
|
|
|
static const char *const tty_feature_sixel_capabilities[] = {
|
|
|
|
"Sxl",
|
|
|
|
NULL
|
|
|
|
};
|
|
|
|
static const struct tty_feature tty_feature_sixel = {
|
|
|
|
"sixel",
|
|
|
|
tty_feature_sixel_capabilities,
|
2022-11-11 08:44:11 +00:00
|
|
|
TERM_SIXEL
|
2022-11-11 08:37:55 +00:00
|
|
|
};
|
|
|
|
|
2020-04-20 13:25:36 +00:00
|
|
|
/* Available terminal features. */
|
2022-08-15 08:41:13 +00:00
|
|
|
static const struct tty_feature *const tty_features[] = {
|
2020-04-20 13:25:36 +00:00
|
|
|
&tty_feature_256,
|
2020-05-16 14:46:14 +00:00
|
|
|
&tty_feature_bpaste,
|
2020-04-20 13:25:36 +00:00
|
|
|
&tty_feature_ccolour,
|
2020-05-16 14:46:14 +00:00
|
|
|
&tty_feature_clipboard,
|
2022-06-30 09:55:53 +00:00
|
|
|
&tty_feature_hyperlinks,
|
2020-04-20 13:25:36 +00:00
|
|
|
&tty_feature_cstyle,
|
2020-05-16 16:44:54 +00:00
|
|
|
&tty_feature_extkeys,
|
2020-05-16 14:46:14 +00:00
|
|
|
&tty_feature_focus,
|
2022-06-14 07:29:00 +00:00
|
|
|
&tty_feature_ignorefkeys,
|
2020-04-20 13:25:36 +00:00
|
|
|
&tty_feature_margins,
|
2021-06-10 07:59:08 +00:00
|
|
|
&tty_feature_mouse,
|
2022-03-24 09:05:57 +00:00
|
|
|
&tty_feature_osc7,
|
2020-04-20 13:25:36 +00:00
|
|
|
&tty_feature_overline,
|
|
|
|
&tty_feature_rectfill,
|
|
|
|
&tty_feature_rgb,
|
2022-11-11 08:37:55 +00:00
|
|
|
&tty_feature_sixel,
|
2020-05-16 14:46:14 +00:00
|
|
|
&tty_feature_strikethrough,
|
2020-04-20 13:25:36 +00:00
|
|
|
&tty_feature_sync,
|
|
|
|
&tty_feature_title,
|
|
|
|
&tty_feature_usstyle
|
|
|
|
};
|
|
|
|
|
|
|
|
void
|
|
|
|
tty_add_features(int *feat, const char *s, const char *separators)
|
|
|
|
{
|
|
|
|
const struct tty_feature *tf;
|
|
|
|
char *next, *loop, *copy;
|
|
|
|
u_int i;
|
|
|
|
|
2020-05-16 14:46:14 +00:00
|
|
|
log_debug("adding terminal features %s", s);
|
2020-05-16 14:22:51 +00:00
|
|
|
|
2020-04-20 13:25:36 +00:00
|
|
|
loop = copy = xstrdup(s);
|
|
|
|
while ((next = strsep(&loop, separators)) != NULL) {
|
|
|
|
for (i = 0; i < nitems(tty_features); i++) {
|
|
|
|
tf = tty_features[i];
|
|
|
|
if (strcasecmp(tf->name, next) == 0)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (i == nitems(tty_features)) {
|
|
|
|
log_debug("unknown terminal feature: %s", next);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (~(*feat) & (1 << i)) {
|
|
|
|
log_debug("adding terminal feature: %s", tf->name);
|
|
|
|
(*feat) |= (1 << i);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
free(copy);
|
|
|
|
}
|
|
|
|
|
|
|
|
const char *
|
|
|
|
tty_get_features(int feat)
|
|
|
|
{
|
|
|
|
const struct tty_feature *tf;
|
|
|
|
static char s[512];
|
|
|
|
u_int i;
|
|
|
|
|
|
|
|
*s = '\0';
|
|
|
|
for (i = 0; i < nitems(tty_features); i++) {
|
|
|
|
if (~feat & (1 << i))
|
|
|
|
continue;
|
|
|
|
tf = tty_features[i];
|
|
|
|
|
|
|
|
strlcat(s, tf->name, sizeof s);
|
|
|
|
strlcat(s, ",", sizeof s);
|
|
|
|
}
|
|
|
|
if (*s != '\0')
|
|
|
|
s[strlen(s) - 1] = '\0';
|
|
|
|
return (s);
|
|
|
|
}
|
|
|
|
|
2020-04-20 15:37:32 +00:00
|
|
|
int
|
2020-04-20 13:25:36 +00:00
|
|
|
tty_apply_features(struct tty_term *term, int feat)
|
|
|
|
{
|
2022-08-15 08:41:13 +00:00
|
|
|
const struct tty_feature *tf;
|
|
|
|
const char *const *capability;
|
|
|
|
u_int i;
|
2020-04-20 13:25:36 +00:00
|
|
|
|
|
|
|
if (feat == 0)
|
2020-04-20 15:37:32 +00:00
|
|
|
return (0);
|
2020-04-20 13:25:36 +00:00
|
|
|
log_debug("applying terminal features: %s", tty_get_features(feat));
|
|
|
|
|
|
|
|
for (i = 0; i < nitems(tty_features); i++) {
|
|
|
|
if ((term->features & (1 << i)) || (~feat & (1 << i)))
|
|
|
|
continue;
|
|
|
|
tf = tty_features[i];
|
|
|
|
|
|
|
|
log_debug("applying terminal feature: %s", tf->name);
|
|
|
|
if (tf->capabilities != NULL) {
|
|
|
|
capability = tf->capabilities;
|
|
|
|
while (*capability != NULL) {
|
|
|
|
log_debug("adding capability: %s", *capability);
|
|
|
|
tty_term_apply(term, *capability, 1);
|
|
|
|
capability++;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
term->flags |= tf->flags;
|
|
|
|
}
|
2020-04-20 15:37:32 +00:00
|
|
|
if ((term->features | feat) == term->features)
|
|
|
|
return (0);
|
2020-04-20 13:25:36 +00:00
|
|
|
term->features |= feat;
|
2020-04-20 15:37:32 +00:00
|
|
|
return (1);
|
2020-04-20 13:25:36 +00:00
|
|
|
}
|
2020-05-16 14:46:14 +00:00
|
|
|
|
|
|
|
void
|
|
|
|
tty_default_features(int *feat, const char *name, u_int version)
|
|
|
|
{
|
2022-08-15 08:41:13 +00:00
|
|
|
static const struct {
|
2020-05-16 14:46:14 +00:00
|
|
|
const char *name;
|
|
|
|
u_int version;
|
|
|
|
const char *features;
|
|
|
|
} table[] = {
|
2020-06-04 10:36:28 +00:00
|
|
|
#define TTY_FEATURES_BASE_MODERN_XTERM \
|
2021-06-10 07:59:08 +00:00
|
|
|
"256,RGB,bpaste,clipboard,mouse,strikethrough,title"
|
2020-05-16 14:46:14 +00:00
|
|
|
{ .name = "mintty",
|
2020-06-04 10:36:28 +00:00
|
|
|
.features = TTY_FEATURES_BASE_MODERN_XTERM
|
2020-10-05 09:53:01 +00:00
|
|
|
",ccolour,cstyle,extkeys,margins,overline,usstyle"
|
2020-05-16 14:46:14 +00:00
|
|
|
},
|
|
|
|
{ .name = "tmux",
|
2020-06-04 10:36:28 +00:00
|
|
|
.features = TTY_FEATURES_BASE_MODERN_XTERM
|
2022-06-30 09:55:53 +00:00
|
|
|
",ccolour,cstyle,focus,overline,usstyle,hyperlinks"
|
2020-05-16 14:46:14 +00:00
|
|
|
},
|
|
|
|
{ .name = "rxvt-unicode",
|
2022-06-14 07:29:00 +00:00
|
|
|
.features = "256,bpaste,ccolour,cstyle,mouse,title,ignorefkeys"
|
2020-05-16 14:46:14 +00:00
|
|
|
},
|
|
|
|
{ .name = "iTerm2",
|
2020-06-04 10:36:28 +00:00
|
|
|
.features = TTY_FEATURES_BASE_MODERN_XTERM
|
2022-06-30 09:55:53 +00:00
|
|
|
",cstyle,extkeys,margins,usstyle,sync,osc7,hyperlinks"
|
2020-05-16 14:46:14 +00:00
|
|
|
},
|
|
|
|
{ .name = "XTerm",
|
2021-06-10 07:28:45 +00:00
|
|
|
/*
|
|
|
|
* xterm also supports DECSLRM and DECFRA, but they can be
|
|
|
|
* disabled so not set it here - they will be added if
|
|
|
|
* secondary DA shows VT420.
|
|
|
|
*/
|
2020-06-04 10:36:28 +00:00
|
|
|
.features = TTY_FEATURES_BASE_MODERN_XTERM
|
2021-06-10 07:28:45 +00:00
|
|
|
",ccolour,cstyle,extkeys,focus"
|
2020-05-16 14:46:14 +00:00
|
|
|
}
|
|
|
|
};
|
|
|
|
u_int i;
|
|
|
|
|
|
|
|
for (i = 0; i < nitems(table); i++) {
|
|
|
|
if (strcmp(table[i].name, name) != 0)
|
|
|
|
continue;
|
|
|
|
if (version != 0 && version < table[i].version)
|
|
|
|
continue;
|
|
|
|
tty_add_features(feat, table[i].features, ",");
|
|
|
|
}
|
|
|
|
}
|