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Diffstat (limited to 'src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h')
| -rw-r--r-- | src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h b/src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h new file mode 100644 index 0000000000..275ebab6a1 --- /dev/null +++ b/src/widgets/graphicsview/qgraphicslayoutstyleinfo_p.h @@ -0,0 +1,96 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtWidgets module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ +#ifndef QGRAPHICSLAYOUTSTYLEINFO_P_H +#define QGRAPHICSLAYOUTSTYLEINFO_P_H + +#include <QtGui/private/qabstractlayoutstyleinfo_p.h> +#include <QtWidgets/qstyleoption.h> + +QT_BEGIN_NAMESPACE + +class QStyle; +class QWidget; +class QGraphicsLayoutPrivate; + +class QGraphicsLayoutStyleInfo : public QAbstractLayoutStyleInfo +{ +public: + QGraphicsLayoutStyleInfo(const QGraphicsLayoutPrivate *layout); + ~QGraphicsLayoutStyleInfo(); + + virtual qreal combinedLayoutSpacing(QLayoutPolicy::ControlTypes controls1, + QLayoutPolicy::ControlTypes controls2, + Qt::Orientation orientation) const Q_DECL_OVERRIDE; + + virtual qreal perItemSpacing(QLayoutPolicy::ControlType control1, + QLayoutPolicy::ControlType control2, + Qt::Orientation orientation) const Q_DECL_OVERRIDE; + + virtual qreal spacing(Qt::Orientation orientation) const Q_DECL_OVERRIDE; + + virtual qreal windowMargin(Qt::Orientation orientation) const Q_DECL_OVERRIDE; + + virtual void invalidate() Q_DECL_OVERRIDE + { + m_style = 0; + QAbstractLayoutStyleInfo::invalidate(); + } + + virtual bool hasChangedCore() const Q_DECL_OVERRIDE + { + QStyle *s = m_style; + // Note that style() will change m_style + return s != style(); + } + + QWidget *widget() const; + QStyle *style() const; + +private: + const QGraphicsLayoutPrivate *m_layout; + mutable QStyle *m_style; + QStyleOption m_styleOption; + QWidget *m_widget; +}; + +QT_END_NAMESPACE + +#endif // QGRAPHICSLAYOUTSTYLEINFO_P_H
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