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Diffstat (limited to 'src/qml/types/qqmldelegatecomponent_p.h')
| -rw-r--r-- | src/qml/types/qqmldelegatecomponent_p.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/src/qml/types/qqmldelegatecomponent_p.h b/src/qml/types/qqmldelegatecomponent_p.h new file mode 100644 index 0000000000..c925ed9a60 --- /dev/null +++ b/src/qml/types/qqmldelegatecomponent_p.h @@ -0,0 +1,155 @@ +/**************************************************************************** +** +** Copyright (C) 2018 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQml module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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/qtqmlglobal_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_QML_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_QML_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_QML_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 |