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	slackline.h - lchat - A line oriented chat front end for ii.
	git clone git://git.suckless.org/lchat
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	---
	slackline.h (849B)
	---
	1 #ifndef SLACKLINE_H
	2 #define SLACKLINE_H
	3
	4 enum esc_seq {ESC_NONE, ESC, ESC_BRACKET, ESC_BRACKET_NUM};
	5 enum mode {SL_DEFAULT, SL_EMACS, SL_VI};
	6
	7 struct slackline {
	8 /* buffer */
	9 char *buf;
	10 char ptr; / ptr of cursor */
	11 char last; / ptr of last byte of string */
	12 size_t bufsize;
	13
	14 /* byte positions */
	15 size_t bcur; /* first byte of the rune of the cursor */
	16 size_t blen; /* amount of bytes of current string */
	17
	18 /* rune positions */
	19 size_t rcur; /* cursor */
	20 size_t rlen; /* amount of runes */
	21
	22 enum esc_seq esc;
	23 char nummod;
	24
	25 /* UTF-8 handling */
	26 char ubuf[6]; /* UTF-8 buffer */
	27 size_t ubuf_len;
	28
	29 enum mode mode;
	30 };
	31
	32 struct slackline *sl_init(void);
	33 void sl_free(struct slackline *sl);
	34 void sl_reset(struct slackline *sl);
	35 int sl_keystroke(struct slackline *sl, int key);
	36 void sl_mode(struct slackline *sl, enum mode mode);
	37
	38 #endif