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
|
/* This file is part of the KDE project
Copyright (C) 1999 David Faure
Copyright (c) 2003 Oswald Buddenhagen <ossi@kde.org>
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; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "lockprocess.h"
#include "main.h"
#include "kdesktopsettings.h"
#include <kcmdlineargs.h>
#include <klocale.h>
#include <kglobal.h>
#include <kdebug.h>
#include <kglobalsettings.h>
#include <dcopref.h>
#include <stdlib.h>
#include <X11/Xlib.h>
#include <fixx11h.h>
bool MyApp::x11EventFilter( XEvent *ev )
{
if (ev->type == XKeyPress || ev->type == ButtonPress)
emit activity();
else if (ev->type == MotionNotify) {
time_t tick = time( 0 );
if (tick != lastTick) {
lastTick = tick;
emit activity();
}
}
return KApplication::x11EventFilter( ev );
}
static KCmdLineOptions options[] =
{
{ "forcelock", I18N_NOOP("Force session locking"), 0 },
{ "dontlock", I18N_NOOP("Only start screensaver"), 0 },
{ "blank", I18N_NOOP("Only use the blank screensaver"), 0 },
KCmdLineLastOption
};
// -----------------------------------------------------------------------------
int main( int argc, char **argv )
{
KLocale::setMainCatalogue("kdesktop");
KCmdLineArgs::init( argc, argv, "kdesktop_lock", I18N_NOOP("KDesktop Locker"), I18N_NOOP("Session Locker for KDesktop"), "2.0" );
KCmdLineArgs::addCmdLineOptions( options );
KCmdLineArgs *args = KCmdLineArgs::parsedArgs();
putenv(strdup("SESSION_MANAGER="));
KApplication::disableAutoDcopRegistration(); // not needed
int kdesktop_screen_number = 0;
int starting_screen = 0;
bool child = false;
int parent_connection = 0; // socket to the parent saver
QValueList<int> child_sockets;
if (KGlobalSettings::isMultiHead())
{
Display *dpy = XOpenDisplay(NULL);
if (! dpy) {
fprintf(stderr,
"%s: FATAL ERROR: couldn't open display '%s'\n",
argv[0], XDisplayName(NULL));
exit(1);
}
int number_of_screens = ScreenCount(dpy);
starting_screen = kdesktop_screen_number = DefaultScreen(dpy);
int pos;
QCString display_name = XDisplayString(dpy);
XCloseDisplay(dpy);
kdDebug() << "screen " << number_of_screens << " " << kdesktop_screen_number << " " << display_name << " " << starting_screen << endl;
dpy = 0;
if ((pos = display_name.findRev('.')) != -1)
display_name.remove(pos, 10);
QCString env;
if (number_of_screens != 1) {
for (int i = 0; i < number_of_screens; i++) {
if (i != starting_screen) {
int fd[2];
if (pipe(fd)) {
perror("pipe");
break;
}
if (fork() == 0) {
child = true;
kdesktop_screen_number = i;
parent_connection = fd[0];
// break here because we are the child process, we don't
// want to fork() anymore
break;
} else {
child_sockets.append(fd[1]);
}
}
}
env.sprintf("DISPLAY=%s.%d", display_name.data(),
kdesktop_screen_number);
kdDebug() << "env " << env << endl;
if (putenv(strdup(env.data()))) {
fprintf(stderr,
"%s: WARNING: unable to set DISPLAY environment variable\n",
argv[0]);
perror("putenv()");
}
}
}
MyApp app;
kdDebug() << "app " << kdesktop_screen_number << " " << starting_screen << " " << child << " " << child_sockets.count() << " " << parent_connection << endl;
app.disableSessionManagement();
KGlobal::locale()->insertCatalogue("libdmctl");
// we need to read from the right rc file - possibly taking screen number in account
KDesktopSettings::instance("kdesktoprc");
LockProcess process(child, args->isSet( "blank" ));
if (!child)
process.setChildren(child_sockets);
else
process.setParent(parent_connection);
bool rt;
bool sig = false;
if( !child && args->isSet( "forcelock" ))
{
rt = process.lock();
sig = true;
}
else if( child || args->isSet( "dontlock" ))
rt = process.dontLock();
else
rt = process.defaultSave();
if (!rt)
return 1;
if( sig )
{
DCOPRef ref( "kdesktop", "KScreensaverIface");
ref.send( "saverLockReady" );
}
return app.exec();
}
#include "main.moc"
|