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add line history with up/down keys

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Jfreegman
2013-12-11 00:10:09 -05:00
parent ccc0640dab
commit 9a5a598c5a
8 changed files with 148 additions and 5 deletions
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15
src/toxic_strings.h
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@ -29,3 +29,18 @@ void reset_buf(wchar_t *buf, size_t *pos, size_t *len);
Returns the difference between the old len and new len of buf on success, -1 if error */
int complete_line(wchar_t *buf, size_t *pos, size_t *len, const void *list, int n_items, int size);
enum {
LN_HIST_MV_UP,
LN_HIST_MV_DWN,
};
/* adds a line to the ln_history buffer at hst_pos and sets hst_pos to last history item.
Assumes entries are of size MAX_STR_SIZE */
void add_line_to_hist(const wchar_t *buf, size_t len, void *hst, int *hst_tot, int *hst_pos);
/* copies history item at hst_pos to buf. Sets pos and len to the len of the history item.
hst_pos is decremented or incremented depending on key_dir.
Assumes history entries are of size MAX_STR_SIZE */
void fetch_hist_item(wchar_t *buf, size_t *pos, size_t *len, const void *ln_history, int *hst_tot,
int *hst_pos, int key_dir);