Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 174 insertions, 0 deletions

diff --git a/kdesktop/lock/main.cc b/kdesktop/lock/main.cc
new file mode 100644
index 000000000..b55e67ea6
--- /dev/null
+++ b/kdesktop/lock/main.cc
@@ -0,0 +1,174 @@
+/* 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"