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Diffstat (limited to 'src/quicklayouts/qquicklinearlayout_p.h')
| -rw-r--r-- | src/quicklayouts/qquicklinearlayout_p.h | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/src/quicklayouts/qquicklinearlayout_p.h b/src/quicklayouts/qquicklinearlayout_p.h new file mode 100644 index 0000000000..b3b692d13d --- /dev/null +++ b/src/quicklayouts/qquicklinearlayout_p.h @@ -0,0 +1,254 @@ +// 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 |