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cxDoubleSpanSlider.cpp
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
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7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
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10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
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13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
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19  without specific prior written permission.
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21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 =========================================================================*/
32 #include "cxDoubleSpanSlider.h"
33 #include <QDoubleSpinBox>
34 #include "cxHelperWidgets.h"
35 
36 namespace cx
37 {
38 
39 void SliderRangeGroupWidget::addToGridLayout(QGridLayout* gridLayout, int row)
40 {
41  gridLayout->addWidget(mLabel, row, 0);
42  gridLayout->addWidget(mLowerEdit, row, 1);
43  gridLayout->addWidget(mUpperEdit, row, 1);
44  gridLayout->addWidget(mSpanSlider, row, 2);
45 }
46 
47 SliderRangeGroupWidget::SliderRangeGroupWidget(QWidget* parent, DoublePairPropertyBasePtr dataInterface, QGridLayout* gridLayout, int row) : OptimizedUpdateWidget(parent)
48 {
49  mData = dataInterface;
50  this->init(gridLayout, row);
51 }
52 
53 void SliderRangeGroupWidget::init(QGridLayout *gridLayout, int row)
54 {
55  mLabel = new QLabel(this);
56  mLabel->setText(mData->getDisplayName());
57  mLowerEdit = new QDoubleSpinBox(this);
58  mSpanSlider = new DoubleSpanSlider(this);
59  mSpanSlider->setOrientation(Qt::Horizontal);
60  mSpanSlider->setHandleMovementMode(QxtSpanSlider::NoOverlapping);
61  mUpperEdit = new QDoubleSpinBox(this);
62 
63  this->setDecimals(mData->getValueDecimals());
64 
65  if (gridLayout) // add to input gridlayout
66  {
67  gridLayout->addLayout(mergeWidgetsIntoHBoxLayout(mLabel, addDummyMargin(this)), row, 0);
68 
69  QHBoxLayout* controlsLayout = new QHBoxLayout;
70  controlsLayout->setSpacing(0);
71  controlsLayout->setMargin(0);
72  gridLayout->addLayout(controlsLayout, row, 1);
73 
74  controlsLayout->addWidget(mLowerEdit);
75  controlsLayout->addWidget(mSpanSlider, 1);
76  controlsLayout->addWidget(mUpperEdit);
77  }
78  else // add directly to this
79  {
80  QHBoxLayout* topLayout = new QHBoxLayout;
81  topLayout->setMargin(0);
82  this->setLayout(topLayout);
83 
84  topLayout->addWidget(mLabel);
85  topLayout->addWidget(mLowerEdit);
86  topLayout->addWidget(mSpanSlider, 1);
87  topLayout->addWidget(mUpperEdit);
88  }
89 
90  connect(mLowerEdit, SIGNAL(valueChanged(double)), this, SLOT(textEditedSlot()));
91  // connect to slider
92  connect(mSpanSlider, SIGNAL(doubleSpanChanged(double, double)), this, SLOT(doubleSpanChangedSlot(double, double)));
93  connect(mUpperEdit, SIGNAL(valueChanged(double)), this, SLOT(textEditedSlot()));
94 
95  // connect to backend
96  connect(mData.get(), SIGNAL(changed()), this, SLOT(dataChanged()));
97  this->dataChanged();
98 }
99 
101 {
102  mData->setValueRange(range);
103  this->updateGuiRange();
104 }
105 
107 {
108  mLowerEdit->setDecimals(decimals);
109  mUpperEdit->setDecimals(decimals);
110 }
111 
112 std::pair<double,double> SliderRangeGroupWidget::getValue() const
113 {
114  return std::make_pair(mData->getValue()[0], mData->getValue()[1]);
115 }
116 
117 void SliderRangeGroupWidget::doubleSpanChangedSlot(double lower, double upper)
118 {
119  this->setValue(lower, upper);
120 }
121 
122 bool SliderRangeGroupWidget::setValue(double lower, double upper)
123 {
124  Eigen::Vector2d val = Eigen::Vector2d(lower, upper);
125  if (val == mData->getValue())
126  return false;
127 
128  mData->setValue(val);
129  return true;
130 }
131 
132 void SliderRangeGroupWidget::textEditedSlot()
133 {
134  this->setValue(mLowerEdit->value(), mUpperEdit->value());
135 }
136 
137 void SliderRangeGroupWidget::dataChanged()
138 {
139  this->updateGuiRange();
140 
141  mSpanSlider->blockSignals(true);
142  mLowerEdit->blockSignals(true);
143  mUpperEdit->blockSignals(true);
144 
145  mSpanSlider->setDoubleSpan(mData->getValue()[0], mData->getValue()[1]);
146  mLowerEdit->setValue(mData->getValue()[0]);
147  mUpperEdit->setValue(mData->getValue()[1]);
148 
149  mSpanSlider->blockSignals(false);
150  mLowerEdit->blockSignals(false);
151  mUpperEdit->blockSignals(false);
152 
153  emit valueChanged(mData->getValue()[0], mData->getValue()[1]);
154  this->setModified();
155 }
156 
157 void SliderRangeGroupWidget::updateGuiRange()
158 {
159  DoubleRange range = mData->getValueRange();
160 
161  mSpanSlider->setDoubleRange(range);
162 
163  mLowerEdit->setRange(range.min(), range.max());
164  mLowerEdit->setSingleStep(range.step());
165 
166  mUpperEdit->setRange(range.min(), range.max());
167  mUpperEdit->setSingleStep(range.step());
168 }
169 
170 
171 } // namespace cx
QWidget * addDummyMargin(QWidget *widget)
void setDoubleSpan(double lower, double upper)
bool setValue(double lower, double upper)
Utility class for describing a bounded numeric range.
Definition: cxDoubleRange.h:53
void setRange(const DoubleRange &range)
boost::shared_ptr< DoublePairPropertyBase > DoublePairPropertyBasePtr
QHBoxLayout * mergeWidgetsIntoHBoxLayout(QWidget *first, QWidget *second)
Custom widget for display of double-valued data.Use the double-named methods instead of qslider's int...
std::pair< double, double > getValue() const
void addToGridLayout(QGridLayout *gridLayout, int row)
void valueChanged(double lower, double upper)
Interface for all classes following the modified/prepaint paradigm.
void setDoubleRange(const DoubleRange &range)