source: history.c @ 1aee7d9

barnowl_perlaimdebianowlrelease-1.4release-1.5release-1.6release-1.7release-1.8release-1.9
Last change on this file since 1aee7d9 was 1aee7d9, checked in by Erik Nygren <nygren@mit.edu>, 18 years ago
* Added RCS Id strings to all files. * 'show keymaps' shows details of all keymaps after summary list.
  • Property mode set to 100644
File size: 1.4 KB
Line 
1#include "owl.h"
2
3static const char fileIdent[] = "$Id$";
4
5void owl_history_init(owl_history *h) {
6  owl_list_create(&(h->hist));
7  h->cur=0;
8  h->touched=0;
9  h->partial=0;
10}
11
12char *owl_history_get_prev(owl_history *h) {
13  h->touched=1;
14
15  if (owl_list_get_size(&(h->hist))==0) return(NULL);
16
17  if (h->cur == owl_list_get_size(&(h->hist))-1) {
18    return(NULL);
19  }
20
21  h->cur++;
22  return(owl_list_get_element(&(h->hist), h->cur));
23}
24
25char *owl_history_get_next(owl_history *h) {
26  if (owl_list_get_size(&(h->hist))==0) return(NULL);
27
28  if (h->cur==0) {
29    return(NULL);
30  }
31
32  h->cur--;
33  return(owl_list_get_element(&(h->hist), h->cur));
34}
35
36void owl_history_store(owl_history *h, char *line) {
37  int size;
38
39  /* if partial is set, remove the first entry first */
40  if (h->partial) {
41    owl_list_remove_element(&(h->hist), 0);
42  }
43   
44  /* if we've reached the max history size, pop off the last element */
45  size=owl_list_get_size(&(h->hist));
46  if (size>OWL_HISTORYSIZE) {
47    owl_free(owl_list_get_element(&(h->hist), size-1));
48    owl_list_remove_element(&(h->hist), size-1);
49  }
50
51  /* add the new line */
52  owl_list_prepend_element(&(h->hist), owl_strdup(line));
53}
54
55void owl_history_set_partial(owl_history *h) {
56  h->partial=1;
57}
58
59void owl_history_reset(owl_history *h) {
60  h->cur=0;
61  h->touched=0;
62  h->partial=0;
63}
64
65int owl_history_is_touched(owl_history *h) {
66  if (h->touched) return(1);
67  return(0);
68}
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