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confluent/confluent_vtbufferd/tmt.h
Jarrod Johnson e26218eb92 Implement SGR recreation and fix ECH
The tmt library had a bug with ECH with cursor position.

Flesh out the dump_vt to translate the attributes to VT codes
for the buffer to look the same as the attributes indicate.
2021-04-01 16:28:28 -04:00

141 lines
4.1 KiB
C

/* Copyright (c) 2017 Rob King
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the copyright holder nor the
* names of contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS,
* COPYRIGHT HOLDERS, OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TMT_H
#define TMT_H
#include <stdbool.h>
#include <stddef.h>
#include <wchar.h>
/**** INVALID WIDE CHARACTER */
#ifndef TMT_INVALID_CHAR
#define TMT_INVALID_CHAR ((wchar_t)0xfffd)
#endif
/**** INPUT SEQUENCES */
#define TMT_KEY_UP "\033[A"
#define TMT_KEY_DOWN "\033[B"
#define TMT_KEY_RIGHT "\033[C"
#define TMT_KEY_LEFT "\033[D"
#define TMT_KEY_HOME "\033[H"
#define TMT_KEY_END "\033[Y"
#define TMT_KEY_INSERT "\033[L"
#define TMT_KEY_BACKSPACE "\x08"
#define TMT_KEY_ESCAPE "\x1b"
#define TMT_KEY_BACK_TAB "\033[Z"
#define TMT_KEY_PAGE_UP "\033[V"
#define TMT_KEY_PAGE_DOWN "\033[U"
#define TMT_KEY_F1 "\033OP"
#define TMT_KEY_F2 "\033OQ"
#define TMT_KEY_F3 "\033OR"
#define TMT_KEY_F4 "\033OS"
#define TMT_KEY_F5 "\033OT"
#define TMT_KEY_F6 "\033OU"
#define TMT_KEY_F7 "\033OV"
#define TMT_KEY_F8 "\033OW"
#define TMT_KEY_F9 "\033OX"
#define TMT_KEY_F10 "\033OY"
/**** BASIC DATA STRUCTURES */
typedef struct TMT TMT;
typedef enum{
TMT_COLOR_DEFAULT = 0,
TMT_COLOR_BLACK = 1,
TMT_COLOR_RED,
TMT_COLOR_GREEN,
TMT_COLOR_YELLOW,
TMT_COLOR_BLUE,
TMT_COLOR_MAGENTA,
TMT_COLOR_CYAN,
TMT_COLOR_WHITE,
TMT_COLOR_MAX
} tmt_color_t;
typedef struct TMTATTRS TMTATTRS;
struct TMTATTRS{
bool bold;
bool dim;
bool underline;
bool blink;
bool reverse;
bool invisible;
tmt_color_t fg;
tmt_color_t bg;
};
typedef struct TMTCHAR TMTCHAR;
struct TMTCHAR{
wchar_t c;
TMTATTRS a;
};
typedef struct TMTPOINT TMTPOINT;
struct TMTPOINT{
size_t r;
size_t c;
};
typedef struct TMTLINE TMTLINE;
struct TMTLINE{
bool dirty;
TMTCHAR chars[];
};
typedef struct TMTSCREEN TMTSCREEN;
struct TMTSCREEN{
size_t nline;
size_t ncol;
TMTLINE **lines;
};
/**** CALLBACK SUPPORT */
typedef enum{
TMT_MSG_MOVED,
TMT_MSG_UPDATE,
TMT_MSG_ANSWER,
TMT_MSG_BELL,
TMT_MSG_CURSOR
} tmt_msg_t;
typedef void (*TMTCALLBACK)(tmt_msg_t m, struct TMT *v, const void *r, void *p);
/**** PUBLIC FUNCTIONS */
TMT *tmt_open(size_t nline, size_t ncol, TMTCALLBACK cb, void *p,
const wchar_t *acs);
void tmt_close(TMT *vt);
bool tmt_resize(TMT *vt, size_t nline, size_t ncol);
void tmt_write(TMT *vt, const char *s, size_t n);
const TMTSCREEN *tmt_screen(const TMT *vt);
const TMTPOINT *tmt_cursor(const TMT *vt);
void tmt_clean(TMT *vt);
void tmt_reset(TMT *vt);
#endif