| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | #ifndef QGRAPHICSLAYOUTSTYLEINFO_P_H |
| 4 | #define QGRAPHICSLAYOUTSTYLEINFO_P_H |
| 5 | |
| 6 | // |
| 7 | // W A R N I N G |
| 8 | // ------------- |
| 9 | // |
| 10 | // This file is not part of the Qt API. It exists purely as an |
| 11 | // implementation detail. This header file may change from version to |
| 12 | // version without notice, or even be removed. |
| 13 | // |
| 14 | // We mean it. |
| 15 | // |
| 16 | |
| 17 | #include <QtWidgets/private/qtwidgetsglobal_p.h> |
| 18 | #include <QtGui/private/qabstractlayoutstyleinfo_p.h> |
| 19 | #include <QtWidgets/qstyleoption.h> |
| 20 | |
| 21 | #include <memory> |
| 22 | |
| 23 | QT_REQUIRE_CONFIG(graphicsview); |
| 24 | |
| 25 | QT_BEGIN_NAMESPACE |
| 26 | |
| 27 | class QStyle; |
| 28 | class QWidget; |
| 29 | class QGraphicsLayoutPrivate; |
| 30 | |
| 31 | class QGraphicsLayoutStyleInfo : public QAbstractLayoutStyleInfo |
| 32 | { |
| 33 | public: |
| 34 | QGraphicsLayoutStyleInfo(const QGraphicsLayoutPrivate *layout); |
| 35 | ~QGraphicsLayoutStyleInfo(); |
| 36 | |
| 37 | virtual qreal combinedLayoutSpacing(QLayoutPolicy::ControlTypes controls1, |
| 38 | QLayoutPolicy::ControlTypes controls2, |
| 39 | Qt::Orientation orientation) const override; |
| 40 | |
| 41 | virtual qreal perItemSpacing(QLayoutPolicy::ControlType control1, |
| 42 | QLayoutPolicy::ControlType control2, |
| 43 | Qt::Orientation orientation) const override; |
| 44 | |
| 45 | virtual qreal spacing(Qt::Orientation orientation) const override; |
| 46 | |
| 47 | virtual qreal windowMargin(Qt::Orientation orientation) const override; |
| 48 | |
| 49 | virtual void invalidate() override |
| 50 | { |
| 51 | m_style = nullptr; |
| 52 | QAbstractLayoutStyleInfo::invalidate(); |
| 53 | } |
| 54 | |
| 55 | QWidget *widget() const; |
| 56 | QStyle *style() const; |
| 57 | |
| 58 | private: |
| 59 | const QGraphicsLayoutPrivate *m_layout; |
| 60 | mutable QStyle *m_style; |
| 61 | QStyleOption m_styleOption; |
| 62 | std::unique_ptr<QWidget> m_widget; |
| 63 | }; |
| 64 | |
| 65 | QT_END_NAMESPACE |
| 66 | |
| 67 | #endif // QGRAPHICSLAYOUTSTYLEINFO_P_H |
| 68 |