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
|
#include <curses.h>
#include <glib.h>
#include "interface.h"
#include "g_curses_input.h"
typedef struct _GCursesInput {
GSource source;
WINDOW *win;
} GCursesInput;
static gboolean
check(GSource *source)
{
GCursesInput *curses_input = (GCursesInput*) source;
gint ch = wgetch(curses_input->win);
if (ch != ERR)
ungetch(ch);
return ch != ERR;
}
static gboolean
prepare(GSource *source, gint *timeout_)
{
*timeout_ = 2;
return check(source);
}
static gboolean
dispatch(GSource *source, GSourceFunc callback, gpointer user_data)
{
GCursesInput *curses_input = (GCursesInput*) source;
return callback((gpointer)curses_input->win) ? TRUE : FALSE;
}
static GSourceFuncs SourceFuncs =
{
.prepare = prepare,
.check = check,
.dispatch = dispatch,
.finalize = NULL,
.closure_callback = NULL, .closure_marshal = NULL
};
GSource *
g_curses_input_source_new(WINDOW *win) {
GSource *source = g_source_new(&SourceFuncs, sizeof(GCursesInput));
GCursesInput *curses_input = (GCursesInput*) source;
curses_input->win = win;
nodelay(win, TRUE); /* important! make wgetch non-blocking */
return source;
}
guint
g_curses_input_add_full(gint priority, WINDOW *win, GSourceFunc function,
gpointer data, GDestroyNotify notify)
{
g_return_val_if_fail(function != NULL, 0);
GSource *source = g_curses_input_source_new(win);
guint id;
if (priority != G_PRIORITY_DEFAULT)
g_source_set_priority (source, priority);
g_source_set_callback(source, function, data, notify);
id = g_source_attach(source, NULL);
g_source_unref(source);
return id;
}
guint
g_curses_input_add(WINDOW *win, GSourceFunc function, gpointer data)
{
return g_curses_input_add_full(G_PRIORITY_DEFAULT,
win, function, data, NULL);
}
|
