CuteLogger
Fast and simple logging solution for Qt based applications
attachedfiltersmodel.h
1 /*
2  * Copyright (c) 2013-2023 Meltytech, LLC
3  *
4  * This program is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation, either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program. If not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 #ifndef ATTACHEDFILTERSMODEL_H
19 #define ATTACHEDFILTERSMODEL_H
20 
21 #include <QAbstractListModel>
22 #include <MltFilter.h>
23 #include <MltProducer.h>
24 #include <MltEvent.h>
25 
26 class QmlMetadata;
27 
28 class AttachedFiltersModel : public QAbstractListModel
29 {
30  Q_OBJECT
31  Q_PROPERTY(QString producerTitle READ producerTitle NOTIFY trackTitleChanged)
32  Q_PROPERTY(bool isProducerSelected READ isProducerSelected NOTIFY isProducerSelectedChanged)
33  Q_PROPERTY(bool supportsLinks READ supportsLinks NOTIFY supportsLinksChanged)
34 public:
35  enum ModelRoles {
36  TypeDisplayRole = Qt::UserRole + 1,
37  PluginTypeRole,
38  };
39 
40  explicit AttachedFiltersModel(QObject *parent = 0);
41 
42  Mlt::Service *getService(int row) const;
43  QmlMetadata *getMetadata(int row) const;
44  void setProducer(Mlt::Producer *producer = 0);
45  QString producerTitle() const;
46  bool isProducerSelected() const;
47  bool isSourceClip() const;
48  bool supportsLinks() const;
49  Mlt::Producer *producer() const
50  {
51  return m_producer.data();
52  }
53  QString name(int row) const;
54 
55  // The below are used by QUndoCommands
56  void doAddService(Mlt::Producer &producer, Mlt::Service &service, int row);
57  void doRemoveService(Mlt::Producer &producer, int row);
58  void doMoveService(Mlt::Producer &producer, int fromRow, int toRow);
59  void doSetDisabled(Mlt::Producer &producer, int row, bool disable);
60  Mlt::Service doGetService(Mlt::Producer &producer, int row);
61 
62  // QAbstractListModel Implementation
63  int rowCount(const QModelIndex &parent = QModelIndex()) const;
64  Qt::ItemFlags flags(const QModelIndex &index) const;
65  QVariant data(const QModelIndex &index, int role) const;
66  bool setData(const QModelIndex &index, const QVariant &value, int role = Qt::EditRole);
67  QHash<int, QByteArray> roleNames() const;
68  Qt::DropActions supportedDropActions() const;
69  bool insertRows(int row, int count, const QModelIndex &parent);
70  bool removeRows(int row, int count, const QModelIndex &parent);
71  bool moveRows(const QModelIndex &sourceParent, int sourceRow, int count,
72  const QModelIndex &destinationParent, int destinationRow);
73 
74 signals:
75  void changed();
76  void duplicateAddFailed(int index);
77  void trackTitleChanged();
78  void isProducerSelectedChanged();
79  void supportsLinksChanged();
80  void addedOrRemoved(Mlt::Producer *);
81  void requestConvert(QString, bool set709Convert, bool withSubClip);
82 
83 public slots:
84  int add(QmlMetadata *meta);
85  int addService(Mlt::Service *service);
86  void remove(int row);
87  bool move(int fromRow, int toRow);
88 
89 private:
90  static void producerChanged(mlt_properties owner, AttachedFiltersModel *model);
91  void reset(Mlt::Producer *producer = 0);
92  bool isProducerLoaded(Mlt::Producer &producer) const;
93  int findInsertRow(QmlMetadata *meta);
94  Mlt::Producer getFilterSetProducer(QmlMetadata *meta);
95 
96  int m_dropRow;
97  int m_removeRow;
98  QScopedPointer<Mlt::Producer> m_producer;
99  QScopedPointer<Mlt::Event> m_event;
100  typedef QList<QmlMetadata *> MetadataList;
101  MetadataList m_metaList;
102 };
103 
104 #endif // ATTACHEDFILTERSMODEL_H