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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QQUICKLINEARLAYOUT_P_H
#define QQUICKLINEARLAYOUT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuickLayouts/private/qquicklayoutglobal_p.h>
#include "qquicklayout_p.h"
#include "qquickgridlayoutengine_p.h"
QT_BEGIN_NAMESPACE
/**********************************
**
** QQuickGridLayoutBase
**
**/
class QQuickGridLayoutBasePrivate;
class Q_QUICKLAYOUTS_EXPORT QQuickGridLayoutBase : public QQuickLayout
{
Q_OBJECT
Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection
NOTIFY layoutDirectionChanged REVISION(1, 1))
QML_ANONYMOUS
QML_ADDED_IN_VERSION(1, 1)
public:
QQuickGridLayoutBase();
explicit QQuickGridLayoutBase(QQuickGridLayoutBasePrivate &dd,
Qt::Orientation orientation,
QQuickItem *parent = nullptr);
~QQuickGridLayoutBase();
void componentComplete() override;
void invalidate(QQuickItem *childItem = nullptr) override;
Qt::Orientation orientation() const;
void setOrientation(Qt::Orientation orientation);
QSizeF sizeHint(Qt::SizeHint whichSizeHint) const override;
Qt::LayoutDirection layoutDirection() const;
void setLayoutDirection(Qt::LayoutDirection dir);
Qt::LayoutDirection effectiveLayoutDirection() const;
void setAlignment(QQuickItem *item, Qt::Alignment align) override;
void setStretchFactor(QQuickItem *item, int stretchFactor, Qt::Orientation orient) override;
/* QQuickItemChangeListener */
void itemDestroyed(QQuickItem *item) override;
void itemVisibilityChanged(QQuickItem *item) override;
protected:
void updateLayoutItems() override;
QQuickItem *itemAt(int index) const override;
int itemCount() const override;
void rearrange(const QSizeF &size) override;
virtual void insertLayoutItems() {}
Q_SIGNALS:
Q_REVISION(1, 1) void layoutDirectionChanged();
private:
void removeGridItem(QGridLayoutItem *gridItem);
Q_DECLARE_PRIVATE(QQuickGridLayoutBase)
};
class QQuickLayoutStyleInfo;
class QQuickGridLayoutBasePrivate : public QQuickLayoutPrivate
{
Q_DECLARE_PUBLIC(QQuickGridLayoutBase)
public:
QQuickGridLayoutBasePrivate() : m_recurRearrangeCounter(0)
, m_rearranging(false)
, m_layoutDirection(Qt::LeftToRight)
{}
void mirrorChange() override
{
Q_Q(QQuickGridLayoutBase);
q->invalidate();
}
QQuickGridLayoutEngine engine;
Qt::Orientation orientation;
unsigned m_recurRearrangeCounter : 2;
unsigned m_rearranging : 1;
QVector<QQuickItem *> m_invalidateAfterRearrange;
Qt::LayoutDirection m_layoutDirection : 2;
QQuickLayoutStyleInfo *styleInfo;
};
/**********************************
**
** QQuickGridLayout
**
**/
class QQuickGridLayoutPrivate;
class Q_QUICKLAYOUTS_EXPORT QQuickGridLayout : public QQuickGridLayoutBase
{
Q_OBJECT
Q_PROPERTY(qreal columnSpacing READ columnSpacing WRITE setColumnSpacing NOTIFY columnSpacingChanged)
Q_PROPERTY(qreal rowSpacing READ rowSpacing WRITE setRowSpacing NOTIFY rowSpacingChanged)
Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged)
Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowsChanged)
Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged)
Q_PROPERTY(bool uniformCellWidths READ uniformCellWidths WRITE setUniformCellWidths
NOTIFY uniformCellWidthsChanged REVISION(6, 6) FINAL)
Q_PROPERTY(bool uniformCellHeights READ uniformCellHeights WRITE setUniformCellHeights
NOTIFY uniformCellHeightsChanged REVISION(6, 6) FINAL)
QML_NAMED_ELEMENT(GridLayout)
QML_ADDED_IN_VERSION(1, 0)
public:
explicit QQuickGridLayout(QQuickItem *parent = nullptr);
qreal columnSpacing() const;
void setColumnSpacing(qreal spacing);
qreal rowSpacing() const;
void setRowSpacing(qreal spacing);
int columns() const;
void setColumns(int columns);
int rows() const;
void setRows(int rows);
enum Flow { LeftToRight, TopToBottom };
Q_ENUM(Flow)
Flow flow() const;
void setFlow(Flow flow);
bool uniformCellWidths() const;
void setUniformCellWidths(bool uniformCellWidths);
bool uniformCellHeights() const;
void setUniformCellHeights(bool uniformCellHeights);
void insertLayoutItems() override;
Q_SIGNALS:
void columnSpacingChanged();
void rowSpacingChanged();
void columnsChanged();
void rowsChanged();
void flowChanged();
Q_REVISION(6, 6) void uniformCellWidthsChanged();
Q_REVISION(6, 6) void uniformCellHeightsChanged();
private:
Q_DECLARE_PRIVATE(QQuickGridLayout)
};
class QQuickGridLayoutPrivate : public QQuickGridLayoutBasePrivate
{
Q_DECLARE_PUBLIC(QQuickGridLayout)
public:
QQuickGridLayoutPrivate(): columns(-1), rows(-1), flow(QQuickGridLayout::LeftToRight) {}
int columns;
int rows;
QQuickGridLayout::Flow flow;
};
/**********************************
**
** QQuickLinearLayout
**
**/
class QQuickLinearLayoutPrivate;
class Q_QUICKLAYOUTS_EXPORT QQuickLinearLayout : public QQuickGridLayoutBase
{
Q_OBJECT
QML_ANONYMOUS
Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing NOTIFY spacingChanged)
Q_PROPERTY(bool uniformCellSizes READ uniformCellSizes WRITE setUniformCellSizes
NOTIFY uniformCellSizesChanged REVISION(6, 6) FINAL)
public:
explicit QQuickLinearLayout(Qt::Orientation orientation,
QQuickItem *parent = nullptr);
void insertLayoutItem(QQuickItem *item);
qreal spacing() const;
void setSpacing(qreal spacing);
bool uniformCellSizes() const;
void setUniformCellSizes(bool uniformCellSizes);
void insertLayoutItems() override;
Q_SIGNALS:
void spacingChanged();
Q_REVISION(6, 6) void uniformCellSizesChanged();
private:
Q_DECLARE_PRIVATE(QQuickLinearLayout)
};
class QQuickLinearLayoutPrivate : public QQuickGridLayoutBasePrivate
{
Q_DECLARE_PUBLIC(QQuickLinearLayout)
public:
QQuickLinearLayoutPrivate() {}
};
/**********************************
**
** QQuickRowLayout
**
**/
class Q_QUICKLAYOUTS_EXPORT QQuickRowLayout : public QQuickLinearLayout
{
Q_OBJECT
QML_NAMED_ELEMENT(RowLayout)
QML_ADDED_IN_VERSION(1, 0)
public:
explicit QQuickRowLayout(QQuickItem *parent = nullptr)
: QQuickLinearLayout(Qt::Horizontal, parent) {}
};
/**********************************
**
** QQuickColumnLayout
**
**/
class Q_QUICKLAYOUTS_EXPORT QQuickColumnLayout : public QQuickLinearLayout
{
Q_OBJECT
QML_NAMED_ELEMENT(ColumnLayout)
QML_ADDED_IN_VERSION(1, 0)
public:
explicit QQuickColumnLayout(QQuickItem *parent = nullptr)
: QQuickLinearLayout(Qt::Vertical, parent) {}
};
QT_END_NAMESPACE
#endif // QQUICKLINEARLAYOUT_P_H
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