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/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 142 insertions, 0 deletions

diff --git a/kdeui/kactivelabel.cpp b/kdeui/kactivelabel.cpp
new file mode 100644
index 000000000..5efdea418
--- /dev/null
+++ b/kdeui/kactivelabel.cpp
@@ -0,0 +1,142 @@
+/*  This file is part of the KDE libraries
+    Copyright (C) 1999 Waldo Bastian (bastian@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; version 2
+    of the License.
+
+    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 "kactivelabel.h"
+
+#include <kapplication.h>
+#include <qregexp.h>
+#include <qwhatsthis.h>
+#include <qsimplerichtext.h>
+#include <kdebug.h>
+
+KActiveLabel::KActiveLabel(QWidget * parent, const char * name)
+ : QTextBrowser(parent, name)
+{
+   init();
+}
+
+KActiveLabel::KActiveLabel(const QString &text, QWidget * parent, const char * name)
+ : QTextBrowser(parent, name)
+{
+   init();
+   setText(text);
+}
+
+void KActiveLabel::init()
+{
+   setTextFormat(Qt::RichText);
+   setVScrollBarMode(QScrollView::AlwaysOff);
+   setHScrollBarMode(QScrollView::AlwaysOff);
+   setFrameStyle(QFrame::NoFrame);
+   setFocusPolicy( QWidget::TabFocus );
+   paletteChanged();
+
+   connect(this, SIGNAL(linkClicked(const QString &)),
+           this, SLOT(openLink(const QString &)));
+   if (kapp)
+   {
+      connect(kapp, SIGNAL(kdisplayPaletteChanged()),
+              this, SLOT(paletteChanged()));
+   }
+}
+
+void KActiveLabel::paletteChanged()
+{
+   QPalette p = kapp ? kapp->palette() : palette();
+   p.setBrush(QColorGroup::Base, p.brush(QPalette::Normal, QColorGroup::Background));
+   p.setColor(QColorGroup::Text, p.color(QPalette::Normal, QColorGroup::Foreground));
+   setPalette(p);
+}
+
+void KActiveLabel::openLink(const QString & link)
+{
+   QRegExp whatsthis("whatsthis:/*([^/].*)");
+   if (whatsthis.exactMatch(link)) {
+      QWhatsThis::display(whatsthis.cap(1));
+      return;
+   }
+
+   QStringList args;
+   args << "exec" << link;
+   kapp->kdeinitExec("kfmclient", args);
+}
+
+void KActiveLabel::virtual_hook( int, void* )
+{ /*BASE::virtual_hook( id, data );*/ }
+
+void KActiveLabel::focusInEvent( QFocusEvent* fe )
+{
+   QTextBrowser::focusInEvent(fe);
+   if(fe->reason() == QFocusEvent::Tab || fe->reason() == QFocusEvent::Backtab)
+      selectAll(true);
+}
+
+void KActiveLabel::focusOutEvent( QFocusEvent* fe )
+{
+   QTextBrowser::focusOutEvent(fe);
+   if(fe->reason() == QFocusEvent::Tab || fe->reason() == QFocusEvent::Backtab)
+      selectAll(false);
+}
+
+void KActiveLabel::keyPressEvent( QKeyEvent *e )
+{
+    switch ( e->key() )
+    {
+    case Key_Down:
+    case Key_Up:
+    case Key_Left:
+    case Key_Right:
+        // jump over QTextEdit's key navigation breakage.
+        // we're not interested in keyboard navigation within the text
+        QWidget::keyPressEvent( e );
+        break;
+    default:
+        QTextBrowser::keyPressEvent( e );
+    }
+}
+
+QSize KActiveLabel::minimumSizeHint() const
+{
+   QSize ms = minimumSize();
+   if ((ms.width() > 0) && (ms.height() > 0))
+      return ms;
+
+   int w = 400;
+   if (ms.width() > 0)
+      w = ms.width();
+
+   QString txt = text();
+   QSimpleRichText rt(txt, font());
+   rt.setWidth(w - 2*frameWidth() - 10);
+   w = 10 + rt.widthUsed() + 2*frameWidth();
+   if (w < ms.width())
+      w = ms.width();
+   int h = rt.height() + 2*frameWidth();
+   if ( h < ms.height())
+      h = ms.height();
+
+   return QSize(w, h);
+}
+
+QSize KActiveLabel::sizeHint() const
+{
+   return minimumSizeHint();
+}
+
+#include "kactivelabel.moc"