ab02f4bdd759a29c0e7300b861e16530f9597316
1 #ifndef LIST_WINDOW_H
2 #define LIST_WINDOW_H
4 #include "command.h"
6 #include <ncurses.h>
7 #include <glib.h>
9 #define LW_ROW(lw) (lw ? lw->selected-lw->start : 0)
11 #define LW_HIDE_CURSOR 0x01
13 typedef const char *(*list_window_callback_fn_t)(unsigned index,
14 int *highlight,
15 void *data);
17 typedef struct list_window {
18 WINDOW *w;
19 unsigned rows, cols;
21 unsigned start;
22 unsigned selected;
23 unsigned xoffset;
24 int clear;
25 int repaint;
26 int flags;
27 } list_window_t;
29 typedef struct list_window_state {
30 GList *list;
31 } list_window_state_t;
34 /* create a new list window */
35 struct list_window *list_window_init(WINDOW *w,
36 unsigned width, unsigned height);
38 /* destroy a list window (returns NULL) */
39 struct list_window *list_window_free(struct list_window *lw);
41 /* reset a list window (selected=0, start=0, clear=1) */
42 void list_window_reset(struct list_window *lw);
44 /* paint a list window */
45 void list_window_paint(struct list_window *lw,
46 list_window_callback_fn_t callback,
47 void *callback_data);
49 /* perform basic list window commands (movement) */
50 int list_window_cmd(struct list_window *lw, unsigned rows, command_t cmd);
52 /**
53 * Scroll the window. Returns non-zero if the command has been
54 * consumed.
55 */
56 int
57 list_window_scroll_cmd(struct list_window *lw, unsigned rows, command_t cmd);
60 /* select functions */
61 void list_window_set_selected(struct list_window *lw, unsigned n);
62 void list_window_previous(struct list_window *lw, unsigned length);
63 void list_window_next(struct list_window *lw, unsigned length);
64 void list_window_first(struct list_window *lw);
65 void list_window_last(struct list_window *lw, unsigned length);
66 void list_window_previous_page(struct list_window *lw);
67 void list_window_next_page(struct list_window *lw, unsigned length);
68 void list_window_check_selected(struct list_window *lw, unsigned length);
70 /* find a string in a list window */
71 int list_window_find(struct list_window *lw,
72 list_window_callback_fn_t callback,
73 void *callback_data,
74 const char *str,
75 int wrap);
77 /* find a string in a list window (reversed) */
78 int
79 list_window_rfind(struct list_window *lw,
80 list_window_callback_fn_t callback,
81 void *callback_data,
82 const char *str,
83 int wrap,
84 unsigned rows);
86 /* list window states */
87 list_window_state_t *list_window_init_state(void);
88 list_window_state_t *list_window_free_state(list_window_state_t *state);
89 void list_window_push_state(list_window_state_t *state,
90 struct list_window *lw);
91 bool list_window_pop_state(list_window_state_t *state, struct list_window *lw);
95 #endif