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
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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 
47 
53 class PQCOMPONENTS_EXPORT pqSampleScalarWidget : public QWidget
54 {
55  typedef QWidget Superclass;
56 
57  Q_OBJECT
58  Q_PROPERTY(QVariantList samples READ samples WRITE setSamples)
59 
60 public:
61  // If preserve_order == true, then the widget will preserve value orders
62  // and allow for duplicates, otherwise the values are unique and sorted.
63  pqSampleScalarWidget(bool preserve_order, QWidget* Parent = 0);
65 
69  void setDataSources(pqSMProxy controlled_proxy, vtkSMDoubleVectorProperty* sample_property,
70  vtkSMProperty* range_property = 0);
71 
75  void accept();
79  void reset();
80 
81  // Returns the samples currently selected in the widget
82  // (these may differ from the accepted values).
83  QList<QVariant> samples();
84 
85  // Set the current value of the widget.
86  void setSamples(QList<QVariant> samples);
87 signals:
91  void samplesChanged();
92 
93 private slots:
94  void onSamplesChanged();
95  void onSelectionChanged(const QItemSelection&, const QItemSelection&);
96 
97  void onDelete();
98  void onDeleteAll();
99  void onNewValue();
100  void onNewRange();
101  void onSelectAll();
102  void onScientificNotation(bool);
103 
104  void onControlledPropertyChanged();
105  void onControlledPropertyDomainChanged();
106 
107 private:
109  pqSampleScalarWidget& operator=(const pqSampleScalarWidget&);
110 
111  bool getRange(double& range_min, double& range_max);
112 
113  class pqImplementation;
114  pqImplementation* const Implementation;
115 
116  bool eventFilter(QObject* object, QEvent* e);
117 };
118 
119 #endif // !_pqSampleScalarWidget_h
superclass for all SM properties
vtkSmartPointer< vtkSMProxy > pqSMProxy
make pqSMProxy synonymous to a smart pointer of a vtkSMProxy
Definition: pqSMProxy.h:44
property representing a vector of doubles
Provides a standard user interface component for manipulating a list of scalar samples.