99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/*
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* Copyright (C) 2007 Ivan Cukic <ivan.cukic+kde@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library/Lesser General Public License
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* version 2, or (at your option) any later version, as published by the
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* Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library/Lesser General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef PLASMA_BORDER_LAYOUT
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#define PLASMA_BORDER_LAYOUT
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#include <QtCore/QMap>
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#include <QtGui/QGraphicsLayout>
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#include <plasma/plasma_export.h>
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#include <plasma/plasma.h>
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namespace Plasma {
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/**
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* A layout which lays one item per border (left, top, bottom, right)
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* and one item in center.
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*
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* Similar to java.awt.BorderLayout from the Java's standard library
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*/
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class PLASMA_EXPORT BorderLayout : public QGraphicsLayout {
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public:
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explicit BorderLayout(QGraphicsLayoutItem * parent = 0);
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virtual ~BorderLayout();
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/**
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* Adds item in the center. Equal to:
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* addItem(item, Plasma::CenterPositioned);
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*/
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void addItem(QGraphicsLayoutItem * item);
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/**
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* Adds item at the specified position
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*/
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void addItem(QGraphicsLayoutItem * item, Position position);
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void removeItem(QGraphicsLayoutItem * item);
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virtual int count() const;
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virtual int indexOf(QGraphicsLayoutItem * item) const;
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virtual QGraphicsLayoutItem * itemAt(int i) const;
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virtual QGraphicsLayoutItem * takeAt(int i);
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/**
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* Deactivates the automatic sizing of a border widget,
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* and sets it to the specified size.
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*
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* For left and right widgets, it sets the width; while
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* for top and bottom ones, it sets the height.
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*/
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void setSize(qreal size, Position border);
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/**
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* Activates the automatic sizing of a border widget,
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* according to it's sizeHint()
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*/
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void setAutoSize(Position border);
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/**
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* Returns the size of the specified border widget. If
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* automatic sizing for that border widget is activated,
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* it will return a value less than zero.
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*/
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qreal size(Position border);
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qreal spacing() const;
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void setSpacing(qreal s);
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protected:
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void relayout();
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QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
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private:
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class Private;
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Private * const d;
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};
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}
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#endif /* PLASMA_BORDER_LAYOUT */
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