105 lines
3.6 KiB
C
105 lines
3.6 KiB
C
/*
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* Copyright (c) 2016 Julien Palard.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __LW_TERMINAL_VT100_H__
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#define __LW_TERMINAL_VT100_H__
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#include <pthread.h>
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#include "lw_terminal_parser.h"
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/*
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* Source : http://vt100.net/docs/vt100-ug/chapter3.html
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http://vt100.net/docs/tp83/appendixb.html
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* It's a vt100 implementation, that implements ANSI control function.
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*/
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#define SCROLLBACK 3
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#define MASK_LNM 1
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#define MASK_DECCKM 2
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#define MASK_DECANM 4
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#define MASK_DECCOLM 8
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#define MASK_DECSCLM 16
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#define MASK_DECSCNM 32
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#define MASK_DECOM 64
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#define MASK_DECAWM 128
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#define MASK_DECARM 256
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#define MASK_DECINLM 512
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#define LNM 20
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#define DECCKM 1
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#define DECANM 2
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#define DECCOLM 3
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#define DECSCLM 4
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#define DECSCNM 5
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#define DECOM 6
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#define DECAWM 7
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#define DECARM 8
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#define DECINLM 9
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#define SET_MODE(vt100, mode) ((vt100)->modes |= get_mode_mask(mode))
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#define UNSET_MODE(vt100, mode) ((vt100)->modes &= ~get_mode_mask(mode))
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#define MODE_IS_SET(vt100, mode) ((vt100)->modes & get_mode_mask(mode))
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/*
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** frozen_screen is the frozen part of the screen
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** when margins are set.
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** The top of the frozen_screen holds the top margin
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** while the bottom holds the bottom margin.
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*/
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struct lw_terminal_vt100
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{
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struct lw_terminal *lw_terminal;
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unsigned int width;
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unsigned int height;
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unsigned int x;
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unsigned int y;
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unsigned int saved_x;
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unsigned int saved_y;
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unsigned int margin_top;
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unsigned int margin_bottom;
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unsigned int top_line; /* Line at the top of the display */
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char *screen;
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char *frozen_screen;
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char *tabulations;
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unsigned int selected_charset;
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unsigned int modes;
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char *lines[80];
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void (*master_write)(void *user_data, void *buffer, size_t len);
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void *user_data;
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pthread_mutex_t mutex;
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};
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struct lw_terminal_vt100 *lw_terminal_vt100_init(void *user_data,
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void (*unimplemented)(struct lw_terminal* term_emul,
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char *seq, char chr));
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char lw_terminal_vt100_get(struct lw_terminal_vt100 *vt100, unsigned int x, unsigned int y);
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const char **lw_terminal_vt100_getlines(struct lw_terminal_vt100 *vt100);
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void lw_terminal_vt100_destroy(struct lw_terminal_vt100 *this);
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void lw_terminal_vt100_read_str(struct lw_terminal_vt100 *this, char *buffer);
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#endif
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