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, 231 insertions, 0 deletions

diff --git a/kdm/kfrontend/themer/kdmlabel.cpp b/kdm/kfrontend/themer/kdmlabel.cpp
new file mode 100644
index 000000000..41d7e4254
--- /dev/null
+++ b/kdm/kfrontend/themer/kdmlabel.cpp
@@ -0,0 +1,231 @@
+/*
+ *  Copyright (C) 2003 by Unai Garro <ugarro@users.sourceforge.net>
+ *  Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
+ *  Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
+ *  Copyright (C) 2004 by 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 "kdmlabel.h"
+#include <kgreeter.h>
+
+#include <kglobal.h>
+#include <klocale.h>
+#include <kmacroexpander.h>
+#include <kdebug.h>
+
+#include <qdatetime.h>
+#include <qpainter.h>
+#include <qfontmetrics.h>
+#include <qtimer.h>
+
+#include <unistd.h>
+#include <sys/utsname.h>
+#if !defined(HAVE_GETDOMAINNAME) && defined(HAVE_SYSINFO)
+# include <sys/systeminfo.h>
+#endif
+
+KdmLabel::KdmLabel( KdmItem *parent, const QDomNode &node, const char *name )
+    : KdmItem( parent, node, name )
+{
+	itemType = "label";
+
+	// Set default values for label (note: strings are already Null)
+	label.active.color.setRgb( 0xFFFFFF );
+	label.active.present = false;
+	label.prelight.present = false;
+	label.maximumWidth = -1;
+
+	const QString locale = KGlobal::locale()->language();
+
+	// Read LABEL ID
+	QDomNode n = node;
+	QDomElement elLab = n.toElement();
+	// ID types: clock, pam-error, pam-message, pam-prompt,
+	//  pam-warning, timed-label
+	label.id = elLab.attribute( "id", "" );
+	label.hasId = !(label.id).isEmpty();
+
+	// Read LABEL TAGS
+	QDomNodeList childList = node.childNodes();
+	bool stockUsed = false;
+	for (uint nod = 0; nod < childList.count(); nod++) {
+		QDomNode child = childList.item( nod );
+		QDomElement el = child.toElement();
+		QString tagName = el.tagName();
+
+		if (tagName == "pos")
+			label.maximumWidth = el.attribute( "max-width", "-1" ).toInt();
+		else if (tagName == "normal") {
+			parseColor( el.attribute( "color", "#ffffff" ), label.normal.color );
+			parseFont( el.attribute( "font", "Sans 14" ), label.normal.font );
+		} else if (tagName == "active") {
+			label.active.present = true;
+			parseColor( el.attribute( "color", "#ffffff" ), label.active.color );
+			parseFont( el.attribute( "font", "Sans 14" ), label.active.font );
+		} else if (tagName == "prelight") {
+			label.prelight.present = true;
+			parseColor( el.attribute( "color", "#ffffff" ), label.prelight.color );
+			parseFont( el.attribute( "font", "Sans 14" ), label.prelight.font );
+		} else if (tagName == "text" && el.attributes().count() == 0 && !stockUsed) {
+			label.text = el.text();
+		} else if (tagName == "text" && !stockUsed) {
+			QString lang = el.attribute( "xml:lang", "" );
+			if (lang == locale)
+				label.text = el.text();
+		} else if (tagName == "stock") {
+			label.text = lookupStock( el.attribute( "type", "" ) );
+			stockUsed = true;
+		}
+	}
+
+	// Check if this is a timer label
+	label.isTimer = label.text.find( "%c" ) >= 0;
+	if (label.isTimer) {
+		timer = new QTimer( this );
+		timer->start( 1000 );
+		connect( timer, SIGNAL(timeout()), SLOT(update()) );
+	}
+	cText = lookupText( label.text );
+}
+
+void
+KdmLabel::setText( const QString &txt )
+{
+	label.text = txt;
+	update();
+}
+
+QSize
+KdmLabel::sizeHint()
+{
+	// choose the correct label class
+	struct LabelStruct::LabelClass *l = &label.normal;
+	if (state == Sactive && label.active.present)
+		l = &label.active;
+	else if (state == Sprelight && label.prelight.present)
+		l = &label.prelight;
+	// get the hint from font metrics
+	QSize hint = QFontMetrics( l->font ).size( AlignLeft | SingleLine, cText );
+	// clip the result using the max-width label(pos) parameter
+	if (label.maximumWidth > 0 && hint.width() > label.maximumWidth)
+		hint.setWidth( label.maximumWidth );
+	return hint;
+}
+
+void
+KdmLabel::drawContents( QPainter *p, const QRect &/*r*/  )
+{
+	// choose the correct label class
+	struct LabelStruct::LabelClass *l = &label.normal;
+	if (state == Sactive && label.active.present)
+		l = &label.active;
+	else if (state == Sprelight && label.prelight.present)
+		l = &label.prelight;
+	// draw the label
+	p->setFont( l->font );
+	p->setPen( l->color );
+	//TODO paint clipped (tested but not working..)
+	p->drawText( area, AlignLeft | SingleLine, cText );
+}
+
+void
+KdmLabel::statusChanged()
+{
+	KdmItem::statusChanged();
+	if (!label.active.present && !label.prelight.present)
+		return;
+	if ((state == Sprelight && !label.prelight.present) ||
+	    (state == Sactive && !label.active.present))
+		return;
+	needUpdate();
+}
+
+void
+KdmLabel::update()
+{
+	QString text = lookupText( label.text );
+	if (text != cText) {
+		cText = text;
+		needUpdate();
+	}
+}
+
+static const struct {
+	const char *type, *text;
+} stocks[] = {
+	{ "language",           I18N_NOOP("Language") },
+	{ "session",            I18N_NOOP("Session Type") },
+	{ "system",             I18N_NOOP("Menu") },	// i18n("Actions");
+	{ "disconnect",         I18N_NOOP("Disconnect") },
+	{ "quit",               I18N_NOOP("Quit") },
+	{ "halt",               I18N_NOOP("Power off") },
+	{ "suspend",            I18N_NOOP("Suspend") },
+	{ "reboot",             I18N_NOOP("Reboot") },
+	{ "chooser",            I18N_NOOP("XDMCP Chooser") },
+	{ "config",             I18N_NOOP("Configure") },
+	{ "caps-lock-warning",  I18N_NOOP("You have got caps lock on.") },
+	{ "timed-label",        I18N_NOOP("User %s will login in %d seconds") },
+	{ "welcome-label",      I18N_NOOP("Welcome to %h") },	// _greetString
+	{ "username-label",     I18N_NOOP("Username:") },
+	{ "password-label",     I18N_NOOP("Password:") },
+	{ "login",              I18N_NOOP("Login") }
+};
+
+QString
+KdmLabel::lookupStock( const QString &stock )
+{
+	//FIXME add key accels!
+	QString type( stock.lower() );
+
+	for (uint i = 0; i < sizeof(stocks)/sizeof(stocks[0]); i++)
+		if (type == stocks[i].type)
+			return i18n(stocks[i].text);
+
+	kdDebug() << "Invalid <stock> element. Check your theme!" << endl;
+	return stock;
+}
+
+QString
+KdmLabel::lookupText( const QString &t )
+{
+	QString text = t;
+
+	text.replace( '_', '&' );
+//	text.remove( '_' ); // FIXME add key accels, remove underscores for now
+
+	QMap<QChar,QString> m;
+	struct utsname uts;
+	uname( &uts );
+	m['n'] = QString::fromLocal8Bit( uts.nodename );
+	char buf[256];
+	buf[sizeof(buf) - 1] = '\0';
+	m['h'] = gethostname( buf, sizeof(buf) - 1 ) ? "localhost" : QString::fromLocal8Bit( buf );
+#ifdef HAVE_GETDOMAINNAME
+	m['o'] = getdomainname( buf, sizeof(buf) - 1 ) ? "localdomain" : QString::fromLocal8Bit( buf );
+#elif defined(HAVE_SYSINFO)
+	m['o'] = (unsigned)sysinfo( SI_SRPC_DOMAIN, buf, sizeof(buf) ) > sizeof(buf) ? "localdomain" : QString::fromLocal8Bit( buf );
+#endif
+	m['d'] = QString::number( KThemedGreeter::timedDelay );
+	m['s'] = KThemedGreeter::timedUser;
+	// xgettext:no-c-format
+	KGlobal::locale()->setDateFormat( i18n("date format", "%a %d %B") );
+	m['c'] = KGlobal::locale()->formatDateTime( QDateTime::currentDateTime(), false, false );
+
+	return KMacroExpander::expandMacros( text, m );
+}
+
+#include "kdmlabel.moc"