ParaView
pqSampleScalarWidget.h
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1 /*=========================================================================
2 
3  Program: ParaView
4  Module: pqSampleScalarWidget.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
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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 
33 #ifndef _pqSampleScalarWidget_h
34 #define _pqSampleScalarWidget_h
35 
36 #include "pqComponentsModule.h"
37 #include "pqSMProxy.h"
38 
39 #include <QList>
40 #include <QModelIndex>
41 #include <QVariant>
42 #include <QWidget>
43 
44 class QItemSelection;
45 
46 class vtkSMDoubleVectorProperty;
47 
53 class PQCOMPONENTS_EXPORT pqSampleScalarWidget :
54  public QWidget
55 {
56  typedef QWidget Superclass;
57 
58  Q_OBJECT
59  Q_PROPERTY(QVariantList samples READ samples WRITE setSamples)
60 
61 public:
62  // If preserve_order == true, then the widget will preserve value orders
63  // and allow for duplicates, otherwise the values are unique and sorted.
64  pqSampleScalarWidget(bool preserve_order, QWidget* Parent = 0);
66 
68  void setDataSources(
69  pqSMProxy controlled_proxy,
70  vtkSMDoubleVectorProperty* sample_property,
71  vtkSMProperty* range_property = 0);
72 
74  void accept();
76  void reset();
77 
78  // Returns the samples currently selected in the widget
79  // (these may differ from the accepted values).
80  QList<QVariant> samples();
81 
82  // Set the current value of the widget.
83  void setSamples(QList<QVariant> samples);
84 signals:
86  void samplesChanged();
87 
88 private slots:
89  void onSamplesChanged();
90  void onSelectionChanged(const QItemSelection&, const QItemSelection&);
91 
92  void onDelete();
93  void onDeleteAll();
94  void onNewValue();
95  void onNewRange();
96  void onSelectAll();
97  void onScientificNotation(bool);
98 
99  void onControlledPropertyChanged();
100  void onControlledPropertyDomainChanged();
101 
102 private:
104  pqSampleScalarWidget& operator=(const pqSampleScalarWidget&);
105 
106  bool getRange(double& range_min, double& range_max);
107 
108  class pqImplementation;
109  pqImplementation* const Implementation;
110 
111  bool eventFilter(QObject *object, QEvent *e);
112 };
113 
114 #endif // !_pqSampleScalarWidget_h
vtkSmartPointer< vtkSMProxy > pqSMProxy
make pqSMProxy synonymous to a smart pointer of a vtkSMProxy
Definition: pqSMProxy.h:42
Provides a standard user interface component for manipulating a list of scalar samples.