1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/** \file listbox.h
* \brief Header: WListbox widget
*/
#ifndef MC__WIDGET_LISTBOX_H
#define MC__WIDGET_LISTBOX_H
/*** typedefs(not structures) and defined constants **********************************************/
#define LISTBOX(x) ((WListbox *)(x))
#define LENTRY(x) ((WLEntry *)(x))
/*** enums ***************************************************************************************/
/* callback should return one of the following values */
typedef enum
{
LISTBOX_CONT, /* continue */
LISTBOX_DONE /* finish dialog */
} lcback_ret_t;
typedef enum
{
LISTBOX_APPEND_AT_END = 0, /* append at the end */
LISTBOX_APPEND_BEFORE, /* insert before current */
LISTBOX_APPEND_AFTER, /* insert after current */
LISTBOX_APPEND_SORTED /* insert alphabetically */
} listbox_append_t;
/*** structures declarations (and typedefs of structures)*****************************************/
struct WListbox;
typedef lcback_ret_t (*lcback_fn) (struct WListbox * l);
typedef struct WLEntry
{
char *text; /* Text to display */
int hotkey;
void *data; /* Client information */
gboolean free_data; /* Whether to free the data on entry's removal */
} WLEntry;
typedef struct WListbox
{
Widget widget;
GQueue *list; /* Pointer to the list of WLEntry */
int top; /* The first element displayed */
int current; /* The current element displayed */
gboolean allow_duplicates; /* Do we allow duplicates on the list? */
gboolean scrollbar; /* Draw a scrollbar? */
gboolean deletable; /* Can list entries be deleted? */
lcback_fn callback; /* The callback function */
int cursor_x, cursor_y; /* Cache the values */
} WListbox;
/*** global variables defined in .c file *********************************************************/
extern const global_keymap_t *listbox_map;
/*** declarations of public functions ************************************************************/
WListbox *listbox_new (int y, int x, int height, int width, gboolean deletable, lcback_fn callback);
int listbox_search_text (WListbox * l, const char *text);
int listbox_search_data (WListbox * l, const void *data);
void listbox_select_first (WListbox * l);
void listbox_select_last (WListbox * l);
void listbox_set_current (WListbox * l, int dest);
int listbox_get_length (const WListbox * l);
void listbox_get_current (WListbox * l, char **string, void **extra);
WLEntry *listbox_get_nth_entry (const WListbox * l, int pos);
GList *listbox_get_first_link (const WListbox * l);
void listbox_remove_current (WListbox * l);
gboolean listbox_is_empty (const WListbox * l);
void listbox_set_list (WListbox * l, GQueue * list);
void listbox_remove_list (WListbox * l);
char *listbox_add_item (WListbox * l, listbox_append_t pos, int hotkey, const char *text,
void *data, gboolean free_data);
/*** inline functions ****************************************************************************/
#endif /* MC__WIDGET_LISTBOX_H */
|
