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| |
| #ifndef QQUICKPOSITIONERS_P_H |
| #define QQUICKPOSITIONERS_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 <QtQuick/private/qtquickglobal_p.h> |
| |
| QT_REQUIRE_CONFIG(quick_positioners); |
| |
| #include "qquickimplicitsizeitem_p.h" |
| #include "qquickitemviewtransition_p.h" |
| |
| #include <private/qpodvector_p.h> |
| |
| #include <QtCore/qobject.h> |
| #include <QtCore/qstring.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QQuickBasePositionerPrivate; |
| |
| class QQuickPositionerAttached : public QObject |
| { |
| Q_OBJECT |
| |
| public: |
| QQuickPositionerAttached(QObject *parent); |
| |
| Q_PROPERTY(int index READ index NOTIFY indexChanged) |
| Q_PROPERTY(bool isFirstItem READ isFirstItem NOTIFY isFirstItemChanged) |
| Q_PROPERTY(bool isLastItem READ isLastItem NOTIFY isLastItemChanged) |
| |
| int index() const { return m_index; } |
| void setIndex(int index); |
| |
| bool isFirstItem() const { return m_isFirstItem; } |
| void setIsFirstItem(bool isFirstItem); |
| |
| bool isLastItem() const { return m_isLastItem; } |
| void setIsLastItem(bool isLastItem); |
| |
| Q_SIGNALS: |
| void indexChanged(); |
| void isFirstItemChanged(); |
| void isLastItemChanged(); |
| |
| private: |
| int m_index; |
| bool m_isFirstItem; |
| bool m_isLastItem; |
| }; |
| |
| class Q_QUICK_PRIVATE_EXPORT QQuickBasePositioner : public QQuickImplicitSizeItem |
| { |
| Q_OBJECT |
| |
| Q_PROPERTY(qreal spacing READ spacing WRITE setSpacing NOTIFY spacingChanged) |
| Q_PROPERTY(QQuickTransition *populate READ populate WRITE setPopulate NOTIFY populateChanged) |
| Q_PROPERTY(QQuickTransition *move READ move WRITE setMove NOTIFY moveChanged) |
| Q_PROPERTY(QQuickTransition *add READ add WRITE setAdd NOTIFY addChanged) |
| |
| Q_PROPERTY(qreal padding READ padding WRITE setPadding RESET resetPadding NOTIFY paddingChanged REVISION 6) |
| Q_PROPERTY(qreal topPadding READ topPadding WRITE setTopPadding RESET resetTopPadding NOTIFY topPaddingChanged REVISION 6) |
| Q_PROPERTY(qreal leftPadding READ leftPadding WRITE setLeftPadding RESET resetLeftPadding NOTIFY leftPaddingChanged REVISION 6) |
| Q_PROPERTY(qreal rightPadding READ rightPadding WRITE setRightPadding RESET resetRightPadding NOTIFY rightPaddingChanged REVISION 6) |
| Q_PROPERTY(qreal bottomPadding READ bottomPadding WRITE setBottomPadding RESET resetBottomPadding NOTIFY bottomPaddingChanged REVISION 6) |
| public: |
| enum PositionerType { None = 0x0, Horizontal = 0x1, Vertical = 0x2, Both = 0x3 }; |
| |
| QQuickBasePositioner(PositionerType, QQuickItem *parent); |
| ~QQuickBasePositioner(); |
| |
| qreal spacing() const; |
| void setSpacing(qreal); |
| |
| QQuickTransition *populate() const; |
| void setPopulate(QQuickTransition *); |
| |
| QQuickTransition *move() const; |
| void setMove(QQuickTransition *); |
| |
| QQuickTransition *add() const; |
| void setAdd(QQuickTransition *); |
| |
| static QQuickPositionerAttached *qmlAttachedProperties(QObject *obj); |
| |
| void updateAttachedProperties(QQuickPositionerAttached *specificProperty = nullptr, QQuickItem *specificPropertyOwner = nullptr) const; |
| |
| qreal padding() const; |
| void setPadding(qreal padding); |
| void resetPadding(); |
| |
| qreal topPadding() const; |
| void setTopPadding(qreal padding); |
| void resetTopPadding(); |
| |
| qreal leftPadding() const; |
| void setLeftPadding(qreal padding); |
| void resetLeftPadding(); |
| |
| qreal rightPadding() const; |
| void setRightPadding(qreal padding); |
| void resetRightPadding(); |
| |
| qreal bottomPadding() const; |
| void setBottomPadding(qreal padding); |
| void resetBottomPadding(); |
| |
| Q_REVISION(9) Q_INVOKABLE void forceLayout(); |
| |
| protected: |
| QQuickBasePositioner(QQuickBasePositionerPrivate &dd, PositionerType at, QQuickItem *parent); |
| void componentComplete() override; |
| void itemChange(ItemChange, const ItemChangeData &) override; |
| |
| void updatePolish() override; |
| |
| Q_SIGNALS: |
| void spacingChanged(); |
| void populateChanged(); |
| void moveChanged(); |
| void addChanged(); |
| Q_REVISION(6) void paddingChanged(); |
| Q_REVISION(6) void topPaddingChanged(); |
| Q_REVISION(6) void leftPaddingChanged(); |
| Q_REVISION(6) void rightPaddingChanged(); |
| Q_REVISION(6) void bottomPaddingChanged(); |
| Q_REVISION(9) void positioningComplete(); |
| |
| protected Q_SLOTS: |
| void prePositioning(); |
| |
| protected: |
| virtual void doPositioning(QSizeF *contentSize)=0; |
| virtual void reportConflictingAnchors()=0; |
| |
| class PositionedItem |
| { |
| public : |
| PositionedItem(QQuickItem *i); |
| ~PositionedItem(); |
| bool operator==(const PositionedItem &other) const { return other.item == item; } |
| |
| qreal itemX() const; |
| qreal itemY() const; |
| |
| void moveTo(const QPointF &pos); |
| |
| void transitionNextReposition(QQuickItemViewTransitioner *transitioner, QQuickItemViewTransitioner::TransitionType type, bool asTarget); |
| bool prepareTransition(QQuickItemViewTransitioner *transitioner, const QRectF &viewBounds); |
| void startTransition(QQuickItemViewTransitioner *transitioner); |
| |
| void updatePadding(qreal lp, qreal tp, qreal rp, qreal bp); |
| |
| QQuickItem *item; |
| QQuickItemViewTransitionableItem *transitionableItem; |
| int index; |
| bool isNew; |
| bool isVisible; |
| |
| qreal topPadding; |
| qreal leftPadding; |
| qreal rightPadding; |
| qreal bottomPadding; |
| }; |
| |
| QPODVector<PositionedItem,8> positionedItems; |
| QPODVector<PositionedItem,8> unpositionedItems;//Still 'in' the positioner, just not positioned |
| |
| void positionItem(qreal x, qreal y, PositionedItem *target); |
| void positionItemX(qreal, PositionedItem *target); |
| void positionItemY(qreal, PositionedItem *target); |
| |
| void removePositionedItem(QPODVector<PositionedItem,8> *items, int index); |
| void clearPositionedItems(QPODVector<PositionedItem,8> *items); |
| |
| private: |
| Q_DISABLE_COPY(QQuickBasePositioner) |
| Q_DECLARE_PRIVATE(QQuickBasePositioner) |
| }; |
| |
| class Q_AUTOTEST_EXPORT QQuickColumn : public QQuickBasePositioner |
| { |
| Q_OBJECT |
| public: |
| QQuickColumn(QQuickItem *parent=nullptr); |
| |
| protected: |
| void doPositioning(QSizeF *contentSize) override; |
| void reportConflictingAnchors() override; |
| private: |
| Q_DISABLE_COPY(QQuickColumn) |
| }; |
| |
| class QQuickRowPrivate; |
| class Q_AUTOTEST_EXPORT QQuickRow: public QQuickBasePositioner |
| { |
| Q_OBJECT |
| Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged) |
| Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged) |
| public: |
| QQuickRow(QQuickItem *parent=nullptr); |
| |
| Qt::LayoutDirection layoutDirection() const; |
| void setLayoutDirection (Qt::LayoutDirection); |
| Qt::LayoutDirection effectiveLayoutDirection() const; |
| |
| Q_SIGNALS: |
| void layoutDirectionChanged(); |
| void effectiveLayoutDirectionChanged(); |
| |
| protected: |
| void doPositioning(QSizeF *contentSize) override; |
| void reportConflictingAnchors() override; |
| private: |
| Q_DISABLE_COPY(QQuickRow) |
| Q_DECLARE_PRIVATE(QQuickRow) |
| }; |
| |
| class QQuickGridPrivate; |
| class Q_AUTOTEST_EXPORT QQuickGrid : public QQuickBasePositioner |
| { |
| Q_OBJECT |
| Q_PROPERTY(int rows READ rows WRITE setRows NOTIFY rowsChanged) |
| Q_PROPERTY(int columns READ columns WRITE setColumns NOTIFY columnsChanged) |
| Q_PROPERTY(qreal rowSpacing READ rowSpacing WRITE setRowSpacing NOTIFY rowSpacingChanged RESET resetRowSpacing) |
| Q_PROPERTY(qreal columnSpacing READ columnSpacing WRITE setColumnSpacing NOTIFY columnSpacingChanged RESET resetColumnSpacing) |
| Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged) |
| Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged) |
| Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged) |
| Q_PROPERTY(HAlignment horizontalItemAlignment READ hItemAlign WRITE setHItemAlign NOTIFY horizontalAlignmentChanged REVISION 1) |
| Q_PROPERTY(HAlignment effectiveHorizontalItemAlignment READ effectiveHAlign NOTIFY effectiveHorizontalAlignmentChanged REVISION 1) |
| Q_PROPERTY(VAlignment verticalItemAlignment READ vItemAlign WRITE setVItemAlign NOTIFY verticalAlignmentChanged REVISION 1) |
| |
| public: |
| QQuickGrid(QQuickItem *parent=nullptr); |
| |
| int rows() const { return m_rows; } |
| void setRows(const int rows); |
| |
| int columns() const { return m_columns; } |
| void setColumns(const int columns); |
| |
| qreal rowSpacing() const { return m_rowSpacing; } |
| void setRowSpacing(qreal); |
| void resetRowSpacing() { m_useRowSpacing = false; } |
| |
| qreal columnSpacing() const { return m_columnSpacing; } |
| void setColumnSpacing(qreal); |
| void resetColumnSpacing() { m_useColumnSpacing = false; } |
| |
| enum Flow { LeftToRight, TopToBottom }; |
| Q_ENUM(Flow) |
| Flow flow() const; |
| void setFlow(Flow); |
| |
| Qt::LayoutDirection layoutDirection() const; |
| void setLayoutDirection (Qt::LayoutDirection); |
| Qt::LayoutDirection effectiveLayoutDirection() const; |
| |
| enum HAlignment { AlignLeft = Qt::AlignLeft, |
| AlignRight = Qt::AlignRight, |
| AlignHCenter = Qt::AlignHCenter}; |
| Q_ENUM(HAlignment) |
| enum VAlignment { AlignTop = Qt::AlignTop, |
| AlignBottom = Qt::AlignBottom, |
| AlignVCenter = Qt::AlignVCenter }; |
| Q_ENUM(VAlignment) |
| |
| HAlignment hItemAlign() const; |
| void setHItemAlign(HAlignment align); |
| HAlignment effectiveHAlign() const; |
| |
| VAlignment vItemAlign() const; |
| void setVItemAlign(VAlignment align); |
| |
| Q_SIGNALS: |
| void rowsChanged(); |
| void columnsChanged(); |
| void flowChanged(); |
| void layoutDirectionChanged(); |
| void effectiveLayoutDirectionChanged(); |
| void rowSpacingChanged(); |
| void columnSpacingChanged(); |
| Q_REVISION(1) void horizontalAlignmentChanged(HAlignment alignment); |
| Q_REVISION(1) void effectiveHorizontalAlignmentChanged(HAlignment alignment); |
| Q_REVISION(1) void verticalAlignmentChanged(VAlignment alignment); |
| |
| protected: |
| void doPositioning(QSizeF *contentSize) override; |
| void reportConflictingAnchors() override; |
| |
| private: |
| int m_rows; |
| int m_columns; |
| qreal m_rowSpacing; |
| qreal m_columnSpacing; |
| bool m_useRowSpacing; |
| bool m_useColumnSpacing; |
| Flow m_flow; |
| HAlignment m_hItemAlign; |
| VAlignment m_vItemAlign; |
| Q_DISABLE_COPY(QQuickGrid) |
| Q_DECLARE_PRIVATE(QQuickGrid) |
| }; |
| |
| class QQuickFlowPrivate; |
| class Q_AUTOTEST_EXPORT QQuickFlow: public QQuickBasePositioner |
| { |
| Q_OBJECT |
| Q_PROPERTY(Flow flow READ flow WRITE setFlow NOTIFY flowChanged) |
| Q_PROPERTY(Qt::LayoutDirection layoutDirection READ layoutDirection WRITE setLayoutDirection NOTIFY layoutDirectionChanged) |
| Q_PROPERTY(Qt::LayoutDirection effectiveLayoutDirection READ effectiveLayoutDirection NOTIFY effectiveLayoutDirectionChanged) |
| public: |
| QQuickFlow(QQuickItem *parent=nullptr); |
| |
| enum Flow { LeftToRight, TopToBottom }; |
| Q_ENUM(Flow) |
| Flow flow() const; |
| void setFlow(Flow); |
| |
| Qt::LayoutDirection layoutDirection() const; |
| void setLayoutDirection (Qt::LayoutDirection); |
| Qt::LayoutDirection effectiveLayoutDirection() const; |
| |
| Q_SIGNALS: |
| void flowChanged(); |
| void layoutDirectionChanged(); |
| void effectiveLayoutDirectionChanged(); |
| |
| protected: |
| void doPositioning(QSizeF *contentSize) override; |
| void reportConflictingAnchors() override; |
| protected: |
| QQuickFlow(QQuickFlowPrivate &dd, QQuickItem *parent); |
| private: |
| Q_DISABLE_COPY(QQuickFlow) |
| Q_DECLARE_PRIVATE(QQuickFlow) |
| }; |
| |
| |
| QT_END_NAMESPACE |
| |
| QML_DECLARE_TYPE(QQuickColumn) |
| QML_DECLARE_TYPE(QQuickRow) |
| QML_DECLARE_TYPE(QQuickGrid) |
| QML_DECLARE_TYPE(QQuickFlow) |
| |
| QML_DECLARE_TYPE(QQuickBasePositioner) |
| QML_DECLARE_TYPEINFO(QQuickBasePositioner, QML_HAS_ATTACHED_PROPERTIES) |
| |
| #endif // QQUICKPOSITIONERS_P_H |