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
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/* GTK - The GIMP Toolkit
* gtkxembed.c: Utilities for the XEMBED protocol
* Copyright (C) 2001, 2003, Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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 <config.h>
#include "gtkalias.h"
#include "gtkmain.h"
#include "gtkprivate.h"
#include "gtkxembed.h"
typedef struct _GtkXEmbedMessage GtkXEmbedMessage;
struct _GtkXEmbedMessage
{
glong message;
glong detail;
glong data1;
glong data2;
guint32 time;
};
static GSList *current_messages;
/**
* _gtk_xembed_push_message:
* @xevent: a XEvent
*
* Adds a client message to the stack of current XEMBED events.
**/
void
_gtk_xembed_push_message (XEvent *xevent)
{
GtkXEmbedMessage *message = g_new (GtkXEmbedMessage, 1);
message->time = xevent->xclient.data.l[0];
message->message = xevent->xclient.data.l[1];
message->detail = xevent->xclient.data.l[2];
message->data1 = xevent->xclient.data.l[3];
message->data2 = xevent->xclient.data.l[4];
current_messages = g_slist_prepend (current_messages, message);
}
/**
* _gtk_xembed_pop_message:
*
* Removes an event added with _gtk_xembed_push_message()
**/
void
_gtk_xembed_pop_message (void)
{
GtkXEmbedMessage *message = current_messages->data;
current_messages = g_slist_delete_link (current_messages, current_messages);
g_free (message);
}
/**
* _gtk_xembed_set_focus_wrapped:
*
* Sets a flag indicating that the current focus sequence wrapped
* around to the beginning of the ultimate toplevel.
**/
void
_gtk_xembed_set_focus_wrapped (void)
{
GtkXEmbedMessage *message;
g_return_if_fail (current_messages != NULL);
message = current_messages->data;
g_return_if_fail (message->message == XEMBED_FOCUS_PREV || message->message == XEMBED_FOCUS_NEXT);
message->data1 |= XEMBED_FOCUS_WRAPAROUND;
}
/**
* _gtk_xembed_get_focus_wrapped:
*
* Gets whether the current focus sequence has wrapped around
* to the beginning of the ultimate toplevel.
*
* Return value: %TRUE if the focus sequence has wrapped around.
**/
gboolean
_gtk_xembed_get_focus_wrapped (void)
{
GtkXEmbedMessage *message;
g_return_val_if_fail (current_messages != NULL, FALSE);
message = current_messages->data;
return (message->data1 & XEMBED_FOCUS_WRAPAROUND) != 0;
}
static guint32
gtk_xembed_get_time (void)
{
if (current_messages)
{
GtkXEmbedMessage *message = current_messages->data;
return message->time;
}
else
return gtk_get_current_event_time ();
}
/**
* _gtk_xembed_send_message:
* @recipient: window to which to send the window, or %NULL
* in which case nothing will be sent
* @message: type of message
* @detail: detail field of message
* @data1: data1 field of message
* @data2: data2 field of message
*
* Sends a generic XEMBED message to a particular window.
**/
void
_gtk_xembed_send_message (GdkWindow *recipient,
XEmbedMessageType message,
glong detail,
glong data1,
glong data2)
{
GdkDisplay *display;
XEvent xevent;
if (!recipient)
return;
g_return_if_fail (GDK_IS_WINDOW (recipient));
display = gdk_drawable_get_display (recipient);
GTK_NOTE (PLUGSOCKET,
g_message ("Sending XEMBED message of type %d", message));
xevent.xclient.window = GDK_WINDOW_XWINDOW (recipient);
xevent.xclient.type = ClientMessage;
xevent.xclient.message_type = gdk_x11_get_xatom_by_name_for_display (display, "_XEMBED");
xevent.xclient.format = 32;
xevent.xclient.data.l[0] = gtk_xembed_get_time ();
xevent.xclient.data.l[1] = message;
xevent.xclient.data.l[2] = detail;
xevent.xclient.data.l[3] = data1;
xevent.xclient.data.l[4] = data2;
gdk_error_trap_push ();
XSendEvent (GDK_WINDOW_XDISPLAY(recipient),
GDK_WINDOW_XWINDOW (recipient),
False, NoEventMask, &xevent);
gdk_display_sync (display);
gdk_error_trap_pop ();
}
/**
* _gtk_xembed_send_focus_message:
* @recipient: window to which to send the window, or %NULL
* in which case nothing will be sent
* @message: type of message
* @detail: detail field of message
*
* Sends a XEMBED message for moving the focus along the focus
* chain to a window. The flags field that these messages share
* will be correctly filled in.
**/
void
_gtk_xembed_send_focus_message (GdkWindow *recipient,
XEmbedMessageType message,
glong detail)
{
gulong flags = 0;
if (!recipient)
return;
g_return_if_fail (GDK_IS_WINDOW (recipient));
g_return_if_fail (message == XEMBED_FOCUS_IN ||
message == XEMBED_FOCUS_NEXT ||
message == XEMBED_FOCUS_PREV);
if (current_messages)
{
GtkXEmbedMessage *message = current_messages->data;
switch (message->message)
{
case XEMBED_FOCUS_IN:
case XEMBED_FOCUS_NEXT:
case XEMBED_FOCUS_PREV:
flags = message->data1 & XEMBED_FOCUS_WRAPAROUND;
break;
default:
break;
}
}
_gtk_xembed_send_message (recipient, message, detail, flags, 0);
}
|
