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
|
/* Copyright (C) 2000 Free Software Foundation
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
#include <config.h>
#include <platform.h>
#include <gcj/javaprims.h>
#include <jvm.h>
#include <X11/Xlib.h>
#include <gcj/cni.h>
#include <gnu/gcj/RawData.h>
#include <java/lang/RuntimeException.h>
#include <java/lang/System.h>
#include <java/io/PrintStream.h>
#include <gnu/gcj/xlib/Display.h>
#include <gnu/gcj/xlib/Window.h>
#include <gnu/gcj/xlib/XAnyEvent.h>
#include <gnu/gcj/xlib/XExposeEvent.h>
#include <gnu/gcj/xlib/XException.h>
#include <unistd.h>
#include <posix.h>
void gnu::gcj::xlib::XAnyEvent::init()
{
::XEvent* event = new ::XEvent;
int *pipes = new int[2];
pipe(pipes);
structure = reinterpret_cast<gnu::gcj::RawData*>(event);
pipefds = reinterpret_cast<gnu::gcj::RawData*>(pipes);
}
void gnu::gcj::xlib::XAnyEvent::finalize()
{
delete structure;
int *pipe = reinterpret_cast<int *>(pipefds);
close(pipe[0]);
close(pipe[1]);
delete [] pipefds;
pipefds = 0;
structure = 0;
}
jboolean gnu::gcj::xlib::XAnyEvent::loadNext(jboolean block)
{
::Display* dpy = (::Display*) display->display;
::XEvent* evt = (::XEvent*) structure;
if (XPending(dpy))
{
XNextEvent(dpy, evt);
return true;
}
if (!block)
return false;
int *pipe = reinterpret_cast<int *>(pipefds);
int xfd = XConnectionNumber(dpy);
int pipefd = pipe[0];
int n = (xfd > pipefd ? xfd : pipefd) + 1;
fd_set rfds;
FD_ZERO(&rfds);
FD_SET(xfd, &rfds);
FD_SET(pipefd, &rfds);
int sel = _Jv_select (n, &rfds, NULL, NULL, NULL);
if (sel > 0)
{
if (FD_ISSET(xfd, &rfds))
{
XNextEvent(dpy, evt);
return true;
}
if (FD_ISSET(pipefd, &rfds))
{
char c;
read(pipefd, &c, 1);
}
}
return false;
}
void gnu::gcj::xlib::XAnyEvent::interrupt()
{
int *pipe = reinterpret_cast<int *>(pipefds);
write(pipe[1], "W", 1);
}
jint gnu::gcj::xlib::XAnyEvent::getType()
{
::XEvent* event = (::XEvent*) structure;
return event->type;
}
void gnu::gcj::xlib::XAnyEvent::setType(jint type)
{
::XEvent* event = (::XEvent*) structure;
event->type = type;
}
gnu::gcj::xlib::Window* gnu::gcj::xlib::XAnyEvent::getWindow()
{
::XEvent* event = (::XEvent*) structure;
return display->getWindow(event->xany.window);
}
void gnu::gcj::xlib::XAnyEvent::setWindow(gnu::gcj::xlib::Window* window)
{
::XEvent* event = (::XEvent*) structure;
event->xany.window = window->getXID();
}
jlong gnu::gcj::xlib::XAnyEvent::getSerial()
{
::XEvent* event = (::XEvent*) structure;
return event->xany.serial;
}
void gnu::gcj::xlib::XAnyEvent::send(gnu::gcj::xlib::Window* destination,
jboolean propagate, jlong mask)
{
::Display* dpy = (::Display*) display->display;
::XEvent* event = (::XEvent*) structure;
Status status =
XSendEvent(dpy, destination->getXID(), propagate ? True : False,
mask, event);
switch (status)
{
case 0:
throw new XException(JvNewStringLatin1("conversion to wire "
"protocol failed"));
case BadWindow:
case BadValue:
throw new XException(display, status);
default:
/* All other return values indicate success. Ie. (status ==
1) indicates success, not BadRequest. */
; // NOP
}
}
|
