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#ifndef _EDITOR_H
#define _EDITOR_H
#include <time.h>
#include "textbuf.h"
#include "line.h"
enum editor_mode {
EDITOR_MODE_NORMAL,
EDITOR_MODE_INSERT,
EDITOR_MODE_PROMPT
};
struct editor_state {
int cursor_x, cursor_y;
int cursor_display_x;
int line_offset;
int col_offset;
int screen_rows;
int screen_cols;
int num_lines;
line_t *lines;
int dirty;
char* filename;
char status_message[80];
time_t status_message_time;
struct editor_syntax* syntax;
int mode;
/*
* Keep track of whether a key that toggles insert mode has been pressed, so
* we can ignore it during the text input event. Otherwise, an 'i' or other
* letter will be inserted when entering insert mode.
*/
int pressed_insert_key;
struct textbuf cmdline;
};
typedef void (*prompt_callback_t)(struct editor_state*, char*, size_t);
void init_editor(struct editor_state* editor);
void editor_set_status_message(struct editor_state* editor, const char* format, ...);
void editor_prompt(struct editor_state* editor, char* prompt, prompt_callback_t callback);
void editor_run_command(struct editor_state *editor);
void editor_try_save(struct editor_state *editor);
void editor_try_quit(struct editor_state *editor);
void editor_move_left(struct editor_state *);
void editor_move_right(struct editor_state *);
void editor_move_up(struct editor_state *);
void editor_move_down(struct editor_state *);
void editor_move_end(struct editor_state *);
void editor_insert_char(struct editor_state* editor, int c);
void editor_insert_newline(struct editor_state* editor);
void editor_delete_char(struct editor_state* editor);
void editor_add_line_above(struct editor_state* editor);
void editor_add_line_below(struct editor_state* editor);
void editor_set_mode(struct editor_state *editor, enum editor_mode mode);
void editor_find(struct editor_state* editor);
void editor_scroll(struct editor_state* editor);
void editor_update_screen_size(struct editor_state *);
void editor_draw_status_bar(struct editor_state *editor, struct textbuf *buffer);
void editor_draw_message_bar(struct editor_state *editor, struct textbuf *buffer);
void editor_destroy(struct editor_state *editor);
#endif
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