File indexing completed on 2024-04-14 04:36:55
0001 /*************************************************************************** 0002 * Copyright (C) 2018 by Emmanuel Lepage Vallee * 0003 * Author : Emmanuel Lepage Vallee <emmanuel.lepage@kde.org> * 0004 * * 0005 * This program is free software; you can redistribute it and/or modify * 0006 * it under the terms of the GNU General Public License as published by * 0007 * the Free Software Foundation; either version 3 of the License, or * 0008 * (at your option) any later version. * 0009 * * 0010 * This program is distributed in the hope that it will be useful, * 0011 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 0012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 0013 * GNU General Public License for more details. * 0014 * * 0015 * You should have received a copy of the GNU General Public License * 0016 * along with this program. If not, see <http://www.gnu.org/licenses/>. * 0017 **************************************************************************/ 0018 #ifndef KQUICKITEMVIEWS_DELEGATECHOICE_H 0019 #define KQUICKITEMVIEWS_DELEGATECHOICE_H 0020 0021 // Qt 0022 #include <QQmlComponent> 0023 #include <QQmlScriptString> 0024 #include <QtCore/QVariant> 0025 0026 class DelegateChoicePrivate; 0027 0028 class Q_DECL_EXPORT DelegateChoice : public QObject 0029 { 0030 Q_OBJECT 0031 public: 0032 0033 Q_PROPERTY(int column READ column WRITE setColumn NOTIFY changed) 0034 Q_PROPERTY(int row READ row WRITE setRow NOTIFY changed) 0035 Q_PROPERTY(int depth READ depth WRITE setDepth NOTIFY changed) 0036 0037 /// Either an `int` or a `QModelIndex` 0038 Q_PROPERTY(QVariant index READ index WRITE setIndex NOTIFY changed) 0039 Q_PROPERTY(QVariant roleValue READ roleValue WRITE setRoleValue NOTIFY changed) 0040 0041 Q_PROPERTY(QQmlComponent* delegate READ delegate WRITE setDelegate NOTIFY changed) 0042 0043 /** 0044 * A JavaScript expression with access to all role values. 0045 */ 0046 Q_PROPERTY(QQmlScriptString when READ when WRITE setWhen NOTIFY changed) 0047 0048 explicit DelegateChoice(QObject *parent = nullptr); 0049 virtual ~DelegateChoice(); 0050 0051 int column() const; 0052 void setColumn(int c); 0053 0054 int row() const; 0055 void setRow(int r); 0056 0057 int depth() const; 0058 void setDepth(int d); 0059 0060 QVariant index() const; 0061 void setIndex(const QVariant& i); 0062 0063 QQmlComponent *delegate() const; 0064 void setDelegate(QQmlComponent *d); 0065 0066 QQmlScriptString when() const; 0067 void setWhen(const QQmlScriptString &w); 0068 0069 QVariant roleValue() const; 0070 void setRoleValue(const QVariant &v); 0071 0072 protected: 0073 virtual bool evaluateIndex(const QModelIndex& idx); 0074 virtual bool evaluateRow(int row, const QModelIndex& parent); 0075 virtual bool evaluateColumn(int row, const QModelIndex& parent); 0076 0077 Q_SIGNALS: 0078 void changed(); 0079 0080 private: 0081 DelegateChoicePrivate *d_ptr; 0082 Q_DECLARE_PRIVATE(DelegateChoice) 0083 }; 0084 0085 #endif