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/*
* Copyright (C) 2024 Tristan Riehs
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef DISP_H
#define DISP_H
#include <stdbool.h>
#include <limits.h>
/* Available display types. */
#define DISP_CLI "cli"
#define DISP_RAY "ray"
#define DISP_TUI "tui"
/* Reserved return values for the read_input function. */
#ifndef NDEBUG
# define DISP_RELOAD INT_MAX
#endif
#define DISP_QUIT (INT_MAX - 1)
#define DISP_ERR (INT_MAX - 2)
struct disp {
void *dl_handle;
void (*init)(void);
void (*display_calc)(int, int);
int (*read_input)(void);
void (*display_res)(bool, int);
void (*destroy)(void);
#ifndef NDEBUG
char *so_path;
void *(*pre_reload)(void);
void (*post_reload)(void *);
#endif
};
/* Get a display handler for the given display type. */
struct disp *get_disp(char *);
void destroy_disp(struct disp *);
#ifndef NDEBUG
void disp_reload(struct disp *);
#endif /* NDEBUG */
#endif /* DISP_H */
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