2b72262b4f
I hereby relicense all my work on Sortix under the ISC license as below. All Sortix contributions by other people are already under this license, are not substantial enough to be copyrightable, or have been removed. All imported code from other projects is compatible with this license. All GPL licensed code from other projects had previously been removed. Copyright 2011-2016 Jonas 'Sortie' Termansen and contributors. Permission to use, copy, modify, and distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
102 lines
2.8 KiB
C
102 lines
2.8 KiB
C
/*
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* Copyright (c) 2013, 2014 Jonas 'Sortie' Termansen.
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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 USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* terminal.h
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* Terminal handling.
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*/
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#ifndef EDITOR_TERMINAL_H
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#define EDITOR_TERMINAL_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdio.h>
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struct terminal_datum
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{
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wchar_t character;
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uint8_t vgacolor;
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};
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__attribute__((unused))
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static inline
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struct terminal_datum make_terminal_datum(wchar_t c, uint8_t cl)
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{
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struct terminal_datum result = { c, cl };
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return result;
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}
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struct terminal_state
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{
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int width;
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int height;
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int cursor_x;
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int cursor_y;
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uint8_t color;
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struct terminal_datum* data;
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};
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__attribute__((unused))
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static inline
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bool is_row_column_lt(size_t ra, size_t ca, size_t rb, size_t cb)
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{
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return ra < rb || (ra == rb && ca < cb);
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}
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__attribute__((unused))
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static inline
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bool is_row_column_le(size_t ra, size_t ca, size_t rb, size_t cb)
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{
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return (ra == rb && ca == cb) || is_row_column_lt(ra, ca, rb, cb);
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}
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__attribute__((unused))
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static inline
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void row_column_smallest(size_t ra, size_t ca, size_t rb, size_t cb,
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size_t* row, size_t* column)
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{
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if ( is_row_column_lt(ra, ca, rb, cb) )
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*row = ra, *column = ca;
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else
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*row = rb, *column = cb;
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}
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__attribute__((unused))
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static inline
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void row_column_biggest(size_t ra, size_t ca, size_t rb, size_t cb,
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size_t* row, size_t* column)
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{
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if ( is_row_column_lt(ra, ca, rb, cb) )
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*row = rb, *column = cb;
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else
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*row = ra, *column = ca;
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}
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void update_terminal_color(FILE* fp, uint8_t desired_color,
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struct terminal_state* current);
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void update_terminal_cursor(FILE* fp, int x, int y,
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struct terminal_state* current);
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void update_terminal_entry(FILE* fp, struct terminal_datum entry, int x, int y,
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struct terminal_state* current);
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void update_terminal(FILE* fp,
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struct terminal_state* desired,
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struct terminal_state* current);
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void make_terminal_state(FILE* fp, struct terminal_state* state);
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void free_terminal_state(struct terminal_state* state);
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void reset_terminal_state(FILE* fp, struct terminal_state* state);
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#endif
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