Add lib/libkdchart

2012-02-11 14:34:29 +01:00
parent 67e00fcaa1
commit 9e1686bd6e
278 changed files with 221 additions and 13 deletions
--- a/lib/libkdchart/src/KDTextDocument.cpp
+++ b/lib/libkdchart/src/KDTextDocument.cpp
@@ -0,0 +1,101 @@
+/****************************************************************************
+** Copyright (C) 2001-2011 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Chart library.
+**
+** Licensees holding valid commercial KD Chart licenses may use this file in
+** accordance with the KD Chart Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.GPL.txt included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+
+#include "KDTextDocument.h"
+#include <QRect>
+#include <QAbstractTextDocumentLayout>
+#include <QtDebug>
+#include <QTextBlock>
+
+#include <KDABLibFakes>
+
+// This is an internal class that mimicks some of the behavior of a
+// QLabel with rich text assigned, this is mostly a workaround around
+// QTextDocumentLayout not being a public class.
+
+KDTextDocument::KDTextDocument( QObject * p )
+    : QTextDocument( p ),
+      mHintValid( false ),
+      mSizeHint(),
+      mMinimumSizeHint()
+{
+
+}
+
+KDTextDocument::KDTextDocument( const QString & text, QObject * p )
+    : QTextDocument( text, p ),
+      mHintValid( false ),
+      mSizeHint(),
+      mMinimumSizeHint()
+{
+
+}
+
+KDTextDocument::~KDTextDocument() {}
+
+
+QSize KDTextDocument::sizeHint()
+{
+    if( !mHintValid )
+        (void)minimumSizeHint();
+    return mSizeHint;
+}
+
+QSize KDTextDocument::minimumSizeHint()
+{
+    /*
+    QTextCursor cursor( this );
+    if( ! cursor.atEnd() )
+        cursor.movePosition( QTextCursor::NextBlock );
+    qDebug() << "KDTextDocument::minimumSizeHint() found:" << cursor.block().text();
+    QSizeF s( documentLayout()->blockBoundingRect( cursor.block() ).size() );
+    qDebug() << "KDTextDocument::minimumSizeHint() found rect" << documentLayout()->blockBoundingRect( cursor.block());
+    return QSize( static_cast<int>(s.width()),
+                  static_cast<int>(s.height()) );
+    */
+
+    if( mHintValid )
+        return mMinimumSizeHint;
+
+    mHintValid = true;
+    mSizeHint = sizeForWidth( -1 );
+    QSize sz(-1, -1);
+
+    // PENDING(kalle) Cache
+    sz.rwidth() = sizeForWidth( 0 ).width();
+    sz.rheight() = sizeForWidth( 32000 ).height();
+    if( mSizeHint.height() < sz.height())
+        sz.rheight() = mSizeHint.height();
+
+    mMinimumSizeHint = sz;
+    return sz;
+}
+
+
+QSize KDTextDocument::sizeForWidth(int w)
+{
+    Q_UNUSED( w );
+
+    setPageSize(QSize(0, 100000));
+
+    return documentLayout()->documentSize().toSize();
+}