src/bfu/inphist.h

   1 #ifndef EL__BFU_INPHIST_H
   2 #define EL__BFU_INPHIST_H
   3
   4 #include "util/lists.h"
   5
   6 struct dialog_data;
   7
   8
   9 struct input_history_entry {
  10         LIST_HEAD(struct input_history_entry);
  11         unsigned char data[1]; /* Must be last. */
  12 };
  13
  14 struct input_history {
  15         LIST_OF(struct input_history_entry) entries;
  16         int size;
  17         unsigned int dirty:1;
  18         unsigned int nosave:1;
  19 };
  20
  21 #define INIT_INPUT_HISTORY(history)                             \
  22         struct input_history history = {                        \
  23         /* items: */    { D_LIST_HEAD(history.entries) },       \
  24         /* size: */     0,                                      \
  25         /* dirty: */    0,                                      \
  26         /* nosave: */   0,                                      \
  27         }
  28
  29 #define add_to_history_list(history, entry)                     \
  30         do {                                                    \
  31                 add_to_list((history)->entries, entry);         \
  32                 (history)->size++;                              \
  33                 if (!(history)->nosave) (history)->dirty = 1;   \
  34         } while (0)
  35
  36 #define del_from_history_list(history, entry)                   \
  37         do {                                                    \
  38                 del_from_list((entry));                         \
  39                 (history)->size--;                              \
  40                 if (!(history)->nosave) (history)->dirty = 1;   \
  41         } while (0)
  42
  43 void add_to_input_history(struct input_history *, unsigned char *, int);
  44
  45 void do_tab_compl(struct dialog_data *,
  46                   LIST_OF(struct input_history_entry) *);
  47 void do_tab_compl_file(struct dialog_data *,
  48                        LIST_OF(struct input_history_entry) *);
  49 void do_tab_compl_unambiguous(struct dialog_data *,
  50                               LIST_OF(struct input_history_entry) *);
  51
  52 /* Load history file from elinks home. */
  53 int load_input_history(struct input_history *history, unsigned char *filename);
  54
  55 /* Write history list to @filebane in elinks home. It returns a value different
  56  * from 0 in case of failure, 0 on success. */
  57 int save_input_history(struct input_history *history, unsigned char *filename);
  58
  59 void dlg_set_history(struct widget_data *);
  60
  61 #endif