Files
ke/buffer.h
2025-11-29 14:56:51 -08:00

51 lines
1.1 KiB
C

#ifndef KE_BUFFER_H
#define KE_BUFFER_H
#include "abuf.h"
#include "undo.h"
typedef struct buffer {
size_t curx, cury;
size_t rx;
size_t nrows;
size_t rowoffs, coloffs;
abuf *row;
char *filename;
int dirty;
int mark_set;
size_t mark_curx, mark_cury;
undo_tree undo;
} buffer;
buffer *buffer_current(void);
#define CURBUF (buffer_current())
#define EROW (CURBUF->row)
#define ENROWS (CURBUF->nrows)
#define ECURX (CURBUF->curx)
#define ECURY (CURBUF->cury)
#define ERX (CURBUF->rx)
#define EROWOFFS (CURBUF->rowoffs)
#define ECOLOFFS (CURBUF->coloffs)
#define EFILENAME (CURBUF->filename)
#define EDIRTY (CURBUF->dirty)
#define EMARK_SET (CURBUF->mark_set)
#define EMARK_CURX (CURBUF->mark_curx)
#define EMARK_CURY (CURBUF->mark_cury)
void buffers_init(void);
int buffer_add_empty(void);
void buffer_save_current(void);
void buffer_switch(int idx);
void buffer_next(void);
void buffer_prev(void);
void buffer_switch_by_name(void);
void buffer_close_current(void);
const char *buffer_name(buffer *b);
int buffer_is_unnamed_and_empty(const buffer *b);
#endif