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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/* Revealer
*
* GtkRevealer is a container that animates showing and hiding
* of its sole child with nice transitions.
*/
#include <gtk/gtk.h>
static int count = 0;
static guint timeout = 0;
static void
change_direction (GtkRevealer *revealer)
{
if (gtk_widget_get_mapped (GTK_WIDGET (revealer)))
{
gboolean revealed;
revealed = gtk_revealer_get_child_revealed (revealer);
gtk_revealer_set_reveal_child (revealer, !revealed);
}
}
static gboolean
reveal_one (gpointer data)
{
GtkWidget *window = data;
char *name;
GtkRevealer *revealer;
name = g_strdup_printf ("revealer%d", count);
revealer = GTK_REVEALER (g_object_get_data (G_OBJECT (window), name));
g_free (name);
gtk_revealer_set_reveal_child (revealer, TRUE);
g_signal_connect (revealer, "notify::child-revealed",
G_CALLBACK (change_direction), NULL);
count++;
if (count >= 9)
{
timeout = 0;
return FALSE;
}
else
return TRUE;
}
static GtkWidget *window = NULL;
static void
on_destroy (gpointer data)
{
window = NULL;
if (timeout != 0)
{
g_source_remove (timeout);
timeout = 0;
}
}
GtkWidget *
do_revealer (GtkWidget *do_widget)
{
if (!window)
{
GtkBuilder *builder;
int i;
builder = gtk_builder_new_from_resource ("/revealer/revealer.ui");
window = GTK_WIDGET (gtk_builder_get_object (builder, "window"));
for (i = 0; i < 10; i++)
{
char *name = g_strdup_printf ("revealer%d", i);
GtkWidget *revealer = GTK_WIDGET (gtk_builder_get_object (builder, name));
g_object_set_data (G_OBJECT (window), name, revealer);
g_free (name);
}
gtk_window_set_display (GTK_WINDOW (window),
gtk_widget_get_display (do_widget));
g_signal_connect (window, "destroy",
G_CALLBACK (on_destroy), NULL);
g_object_unref (builder);
}
if (!gtk_widget_get_visible (window))
{
count = 0;
timeout = g_timeout_add (690, reveal_one, window);
gtk_widget_show (window);
}
else
{
gtk_window_destroy (GTK_WINDOW (window));
}
return window;
}
|
