pqTreeView.h
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1 /*=========================================================================
2 
3  Program: ParaView
4  Module: pqTreeView.h
5 
6  Copyright (c) 2005-2008 Sandia Corporation, Kitware Inc.
7  All rights reserved.
8 
9  ParaView is a free software; you can redistribute it and/or modify it
10  under the terms of the ParaView license version 1.2.
11 
12  See License_v1.2.txt for the full ParaView license.
13  A copy of this license can be obtained by contacting
14  Kitware Inc.
15  28 Corporate Drive
16  Clifton Park, NY 12065
17  USA
18 
19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR
23 CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
26 PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
27 LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
29 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 
31 =========================================================================*/
32 #ifndef pqTreeView_h
33 #define pqTreeView_h
34 
35 #include "pqWidgetsModule.h"
36 #include <QTreeView>
37 
62 class PQWIDGETS_EXPORT pqTreeView : public QTreeView
63 {
64  Q_OBJECT
65 
71  Q_PROPERTY(int maximumRowCountBeforeScrolling READ maximumRowCountBeforeScrolling WRITE
72  setMaximumRowCountBeforeScrolling)
73 
74  typedef QTreeView Superclass;
75 
76 public:
77  pqTreeView(QWidget* parent = nullptr, bool use_pqHeaderView = false);
78  ~pqTreeView() override = default;
79 
80  bool eventFilter(QObject* object, QEvent* e) override;
81 
85  void wheelEvent(QWheelEvent* event) override;
86 
87  void setModel(QAbstractItemModel* model) override;
88  void setRootIndex(const QModelIndex& index) override;
89 
90  QSize sizeHint() const override;
91  QSize minimumSizeHint() const override;
92 
93  void setMaximumRowCountBeforeScrolling(int val) { this->MaximumRowCountBeforeScrolling = val; }
94  int maximumRowCountBeforeScrolling() const { return this->MaximumRowCountBeforeScrolling; }
95 
101  void setupCustomHeader(bool use_pqHeaderView = false);
102 
103 protected:
105 
120  QItemSelectionModel::SelectionFlags selectionCommand(
121  const QModelIndex& index, const QEvent* event = nullptr) const override;
122  bool edit(const QModelIndex& index, EditTrigger trigger, QEvent* event) override;
124 
125 private Q_SLOTS:
126  void invalidateLayout();
127 
128 private: // NOLINT(readability-redundant-access-specifiers)
129  int ScrollPadding;
130  int MaximumRowCountBeforeScrolling;
131 };
132 
133 #endif
int maximumRowCountBeforeScrolling() const
Definition: pqTreeView.h:94
: QTreeView subclass that add ParaView specific customizations.
Definition: pqTreeView.h:62
#define PQWIDGETS_EXPORT
void setMaximumRowCountBeforeScrolling(int val)
Definition: pqTreeView.h:93
index