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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
/* testclientmessage.c
* Copyright (C) 2008 Novell, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <gtk/gtk.h>
static GdkAtom my_type;
static GdkAtom random_type;
static void
send_known (void)
{
GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);
static int counter = 42;
int i;
event->client.window = NULL;
event->client.message_type = my_type;
event->client.data_format = 32;
event->client.data.l[0] = counter++;
for (i = 1; i < 5; i++)
event->client.data.l[i] = 0;
gdk_screen_broadcast_client_message (gdk_display_get_default_screen (gdk_display_get_default ()), event);
gdk_event_free (event);
}
void
send_random (void)
{
GdkEvent *event = gdk_event_new (GDK_CLIENT_EVENT);
static int counter = 1;
int i;
event->client.window = NULL;
event->client.message_type = random_type;
event->client.data_format = 32;
event->client.data.l[0] = counter++;
for (i = 1; i < 5; i++)
event->client.data.l[i] = 0;
gdk_screen_broadcast_client_message (gdk_display_get_default_screen (gdk_display_get_default ()), event);
gdk_event_free (event);
}
static GdkFilterReturn
filter_func (GdkXEvent *xevent,
GdkEvent *event,
gpointer data)
{
g_print ("Got matching client message!\n");
return GDK_FILTER_REMOVE;
}
int
main (int argc, char **argv)
{
GtkWidget *window;
GtkWidget *vbox;
GtkWidget *button;
gtk_init (&argc, &argv);
my_type = gdk_atom_intern ("GtkTestClientMessage", FALSE);
random_type = gdk_atom_intern (g_strdup_printf ("GtkTestClientMessage-%d",
g_rand_int_range (g_rand_new (), 1, 99)),
FALSE);
g_print ("using random client message type %s\n", gdk_atom_name (random_type));
window = g_object_connect (g_object_new (gtk_window_get_type (),
"type", GTK_WINDOW_TOPLEVEL,
"title", "testclientmessage",
"border_width", 10,
NULL),
"signal::destroy", gtk_main_quit, NULL,
NULL);
vbox = g_object_new (gtk_vbox_get_type (),
"GtkWidget::parent", window,
"GtkWidget::visible", TRUE,
NULL);
button = g_object_connect (g_object_new (gtk_button_get_type (),
"GtkButton::label", "send known client message",
"GtkWidget::parent", vbox,
"GtkWidget::visible", TRUE,
NULL),
"signal::clicked", send_known, NULL,
NULL);
button = g_object_connect (g_object_new (gtk_button_get_type (),
"GtkButton::label", "send random client message",
"GtkWidget::parent", vbox,
"GtkWidget::visible", TRUE,
NULL),
"signal::clicked", send_random, NULL,
NULL);
gdk_display_add_client_message_filter (gdk_display_get_default (),
my_type,
filter_func,
NULL);
gtk_widget_show (window);
gtk_main ();
return 0;
}
|
