Sayonara Player
SelectionView.h
1 /* SayonaraSelectionView.h */
2 
3 /* Copyright (C) 2011-2020 Michael Lugmair (Lucio Carreras)
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef SAYONARASELECTIONVIEW_H
22 #define SAYONARASELECTIONVIEW_H
23 
24 #include "Utils/Pimpl.h"
25 #include <QModelIndex>
26 
27 using ModelIndexRange=QPair<QModelIndex, QModelIndex>; // top left, bottom right
29 
30 class QAbstractItemView;
31 class QItemSelection;
32 class QItemSelectionModel;
33 class QKeyEvent;
34 
40 {
42 
43 public:
44  enum class SelectionType
45  {
46  Rows=0,
47  Columns,
48  Items
49  };
50 
51  virtual IndexSet selectedItems() const;
52 
53 protected:
54  SelectionViewInterface(QAbstractItemView* view);
55  virtual ~SelectionViewInterface();
56 
57  void selectRows(const IndexSet& rows, int minimumColumn=-1, int maximumColumn=-1);
58  void selectColumns(const IndexSet& columns, int minimumRow=-1, int maximumRow=-1);
59  void selectItems(const IndexSet& indexes);
60  void selectAll();
61 
62  virtual SelectionViewInterface::SelectionType selectionType() const;
63 
64  virtual int mapModelIndexToIndex(const QModelIndex& idx) const=0;
65  virtual ModelIndexRange mapIndexToModelIndexes(int idx) const=0;
66 
67  IndexSet mapModelIndexesToIndexes(const QModelIndexList& indexes) const;
68  ModelIndexRanges mapIndexesToModelIndexRanges(const IndexSet& indexes) const;
69 
70 protected:
71  virtual bool handleKeyPress(QKeyEvent* e);
72 };
73 
74 #endif // SAYONARASELECTIONVIEW_H
QPair
Definition: typedefs.h:32
Util::Set
A set structure. Inherited from std::set with some useful methods. For integer and String this set is...
Definition: Set.h:37
QList
Definition: EngineUtils.h:33
SelectionViewInterface
The SayonaraSelectionView class.
Definition: SelectionView.h:40