105 lines
2.9 KiB
C++
105 lines
2.9 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>.
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terminal.h++
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Terminal handling.
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*******************************************************************************/
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#ifndef EDITOR_TERMINAL_HXX
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#define EDITOR_TERMINAL_HXX
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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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