| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QABSTRACTLAYOUTSTYLEINFO_P_H |
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| 5 | #define QABSTRACTLAYOUTSTYLEINFO_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtGui/private/qtguiglobal_p.h> |
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| 19 | #include <QtCore/qnamespace.h> |
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| 20 | #include "qlayoutpolicy_p.h" |
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| 21 | |
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| 22 | QT_BEGIN_NAMESPACE |
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| 23 | |
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| 24 | |
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| 25 | class Q_GUI_EXPORT QAbstractLayoutStyleInfo { |
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| 26 | public: |
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| 27 | |
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| 28 | QAbstractLayoutStyleInfo() : m_isWindow(false) {} |
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| 29 | virtual ~QAbstractLayoutStyleInfo() {} |
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| 30 | virtual qreal combinedLayoutSpacing(QLayoutPolicy::ControlTypes /*controls1*/, |
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| 31 | QLayoutPolicy::ControlTypes /*controls2*/, Qt::Orientation /*orientation*/) const { |
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| 32 | return -1; |
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| 33 | } |
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| 34 | |
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| 35 | virtual qreal perItemSpacing(QLayoutPolicy::ControlType /*control1*/, |
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| 36 | QLayoutPolicy::ControlType /*control2*/, |
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| 37 | Qt::Orientation /*orientation*/) const { |
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| 38 | return -1; |
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| 39 | } |
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| 40 | |
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| 41 | virtual qreal spacing(Qt::Orientation orientation) const = 0; |
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| 42 | |
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| 43 | virtual bool hasChangedCore() const { return false; } // ### Remove when usage is gone from subclasses |
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| 44 | |
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| 45 | virtual void invalidate() { } |
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| 46 | |
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| 47 | virtual qreal windowMargin(Qt::Orientation orientation) const = 0; |
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| 48 | |
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| 49 | bool isWindow() const { |
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| 50 | return m_isWindow; |
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| 51 | } |
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| 52 | |
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| 53 | protected: |
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| 54 | unsigned m_isWindow : 1; |
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| 55 | mutable unsigned m_hSpacingState: 2; |
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| 56 | mutable unsigned m_vSpacingState: 2; |
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| 57 | mutable qreal m_spacing[2]; |
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| 58 | }; |
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| 59 | |
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| 60 | QT_END_NAMESPACE |
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| 61 | |
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| 62 | #endif // QABSTRACTLAYOUTSTYLEINFO_P_H |
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| 63 | |
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