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, 183 insertions, 0 deletions

diff --git a/kdm/kfrontend/kconsole.cpp b/kdm/kfrontend/kconsole.cpp
new file mode 100644
index 000000000..b101712da
--- /dev/null
+++ b/kdm/kfrontend/kconsole.cpp
@@ -0,0 +1,183 @@
+/*
+
+xconsole widget for KDM
+
+Copyright (C) 2002-2003 Oswald Buddenhagen <ossi@kde.org>
+
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program 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 General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+*/
+
+#include <config.h>
+
+#ifdef WITH_KDM_XCONSOLE
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+
+#ifdef HAVE_TERMIOS_H
+/* for HP-UX (some versions) the extern C is needed, and for other
+   platforms it doesn't hurt */
+extern "C" {
+#include <termios.h>
+}
+#endif
+#if !defined(__osf__)
+#ifdef HAVE_TERMIO_H
+/* needed at least on AIX */
+#include <termio.h>
+#endif
+#endif
+
+#if defined (_HPUX_SOURCE)
+#define _TERMIOS_INCLUDED
+#include <bsdtty.h>
+#endif
+
+
+#include "kconsole.h"
+#include "kdmconfig.h"
+#include "kdm_greet.h"
+
+#include <klocale.h>
+#include <kpty.h>
+
+#include <qsocketnotifier.h>
+
+KConsole::KConsole( QWidget *_parent )
+	: inherited( _parent )
+	, pty( 0 )
+	, notifier( 0 )
+	, fd( -1 )
+{
+	setReadOnly( true );
+	setWordWrap( NoWrap );
+	setTextFormat( PlainText );
+
+	if (!OpenConsole())
+		append( i18n("Cannot open console") );
+}
+
+KConsole::~KConsole()
+{
+	CloseConsole();
+}
+
+int
+KConsole::OpenConsole()
+{
+#ifdef TIOCCONS
+	static const char on = 1;
+#endif
+
+	if (*_logSource) {
+		if ((fd = open( _logSource, O_RDONLY | O_NONBLOCK )) >= 0)
+			goto gotcon;
+		LogError( "Cannot open log source %s, "
+		          "falling back to /dev/console.\n", _logSource );
+	}
+
+	pty = new KPty;
+	if (!pty->open()) {
+		delete pty;
+		pty = 0;
+		return 0;
+	}
+
+#ifdef TIOCCONS
+	if (ioctl( pty->slaveFd(), TIOCCONS, &on ) < 0) {
+		perror( "ioctl TIOCCONS" );
+		delete pty;
+		pty = 0;
+		return 0;
+	}
+#else
+	int consfd;
+	if ((consfd = open( "/dev/console", O_RDONLY )) < 0) {
+		perror( "opening /dev/console" );
+		delete pty;
+		pty = 0;
+		return 0;
+	}
+	if (ioctl( consfd, SRIOCSREDIR, slave_fd ) < 0) {
+		perror( "ioctl SRIOCSREDIR" );
+		::close( consfd );
+		delete pty;
+		pty = 0;
+		return 0;
+	}
+	::close( consfd );
+#endif
+	fd = pty->masterFd();
+
+  gotcon:
+	notifier = new QSocketNotifier( fd, QSocketNotifier::Read, this );
+	connect( notifier, SIGNAL(activated( int )), SLOT(slotData()) );
+	return 1;
+}
+
+void
+KConsole::CloseConsole()
+{
+	delete notifier;
+	notifier = 0;
+	if (pty) {
+		delete pty;
+		pty = 0;
+	} else
+		::close( fd );
+	fd = -1;
+}
+
+void
+KConsole::slotData()
+{
+	int n;
+	char buffer[1024];
+
+	if ((n = read( fd, buffer, sizeof(buffer) )) <= 0) {
+		CloseConsole();
+		if (!n)
+			if (!OpenConsole())
+				append( i18n("\n*** Cannot open console log source ***") );
+	} else {
+		bool as = !verticalScrollBar()->isVisible() ||
+		          (verticalScrollBar()->value() ==
+		           verticalScrollBar()->maxValue());
+		QString str( QString::fromLocal8Bit( buffer, n ).remove( '\r' ) );
+		int pos, opos;
+		for (opos = 0; (pos = str.find( '\n', opos )) >= 0; opos = pos + 1) {
+			if (paragraphs() == 100)
+				removeParagraph( 0 );
+			if (!leftover.isEmpty()) {
+				append( leftover + str.mid( opos, pos - opos ) );
+				leftover = QString::null;
+			} else
+				append( str.mid( opos, pos - opos ) );
+		}
+		leftover += str.mid( opos );
+		if (as)
+			scrollToBottom();
+	}
+}
+
+#include "kconsole.moc"
+
+#endif