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| |
| #ifndef QQMLDELEGATECOMPONENT_P_H |
| #define QQMLDELEGATECOMPONENT_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 <private/qtqmlmodelsglobal_p.h> |
| #include <qqmlcomponent.h> |
| |
| QT_REQUIRE_CONFIG(qml_delegate_model); |
| |
| QT_BEGIN_NAMESPACE |
| |
| // TODO: consider making QQmlAbstractDelegateComponent public API |
| class QQmlAbstractDelegateComponentPrivate; |
| class QQmlAdaptorModel; |
| class Q_QMLMODELS_PRIVATE_EXPORT QQmlAbstractDelegateComponent : public QQmlComponent |
| { |
| Q_OBJECT |
| public: |
| QQmlAbstractDelegateComponent(QObject *parent = nullptr); |
| ~QQmlAbstractDelegateComponent() override; |
| |
| virtual QQmlComponent *delegate(QQmlAdaptorModel *adaptorModel, int row, int column = 0) const = 0; |
| |
| signals: |
| void delegateChanged(); |
| |
| protected: |
| QVariant value(QQmlAdaptorModel *adaptorModel,int row, int column, const QString &role) const; |
| |
| private: |
| Q_DECLARE_PRIVATE(QQmlAbstractDelegateComponent) |
| Q_DISABLE_COPY(QQmlAbstractDelegateComponent) |
| }; |
| |
| class Q_QMLMODELS_PRIVATE_EXPORT QQmlDelegateChoice : public QObject |
| { |
| Q_OBJECT |
| Q_PROPERTY(QVariant roleValue READ roleValue WRITE setRoleValue NOTIFY roleValueChanged) |
| Q_PROPERTY(int row READ row WRITE setRow NOTIFY rowChanged) |
| Q_PROPERTY(int index READ row WRITE setRow NOTIFY indexChanged) |
| Q_PROPERTY(int column READ column WRITE setColumn NOTIFY columnChanged) |
| Q_PROPERTY(QQmlComponent* delegate READ delegate WRITE setDelegate NOTIFY delegateChanged) |
| Q_CLASSINFO("DefaultProperty", "delegate") |
| public: |
| QVariant roleValue() const; |
| void setRoleValue(const QVariant &roleValue); |
| |
| int row() const; |
| void setRow(int r); |
| |
| int column() const; |
| void setColumn(int c); |
| |
| QQmlComponent *delegate() const; |
| void setDelegate(QQmlComponent *delegate); |
| |
| virtual bool match(int row, int column, const QVariant &value) const; |
| |
| signals: |
| void roleValueChanged(); |
| void rowChanged(); |
| void indexChanged(); |
| void columnChanged(); |
| void delegateChanged(); |
| void changed(); |
| |
| private: |
| QVariant m_value; |
| int m_row = -1; |
| int m_column = -1; |
| QQmlComponent *m_delegate = nullptr; |
| }; |
| |
| class Q_QMLMODELS_PRIVATE_EXPORT QQmlDelegateChooser : public QQmlAbstractDelegateComponent |
| { |
| Q_OBJECT |
| Q_PROPERTY(QString role READ role WRITE setRole NOTIFY roleChanged) |
| Q_PROPERTY(QQmlListProperty<QQmlDelegateChoice> choices READ choices CONSTANT) |
| Q_CLASSINFO("DefaultProperty", "choices") |
| |
| public: |
| QString role() const { return m_role; } |
| void setRole(const QString &role); |
| |
| virtual QQmlListProperty<QQmlDelegateChoice> choices(); |
| static void choices_append(QQmlListProperty<QQmlDelegateChoice> *, QQmlDelegateChoice *); |
| static int choices_count(QQmlListProperty<QQmlDelegateChoice> *); |
| static QQmlDelegateChoice *choices_at(QQmlListProperty<QQmlDelegateChoice> *, int); |
| static void choices_clear(QQmlListProperty<QQmlDelegateChoice> *); |
| |
| QQmlComponent *delegate(QQmlAdaptorModel *adaptorModel, int row, int column = -1) const override; |
| |
| signals: |
| void roleChanged(); |
| |
| private: |
| QString m_role; |
| QList<QQmlDelegateChoice *> m_choices; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| QML_DECLARE_TYPE(QQmlDelegateChoice) |
| QML_DECLARE_TYPE(QQmlDelegateChooser) |
| |
| #endif // QQMLDELEGATECOMPONENT_P_H |