Developer Documentation
vec4dWidget.cc
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41 
42 
43 //== INCLUDES =================================================================
44 #include <QHBoxLayout>
45 #include <QLineEdit>
46 #include <QLabel>
47 
48 #include "vec4dWidget.hh"
49 
50 //== NAMESPACES ===============================================================
51 namespace VSI {
52 
53 //=============================================================================
54 //
55 // CLASS VSI::Vec3DWidget - IMPLEMENTATION
56 //
57 //=============================================================================
58 
60 Vec4DWidget::Vec4DWidget(QMap< QString, QString > &_hints, QString _typeName, QWidget *_parent) :
61  TypeWidget (_hints, _typeName, _parent)
62 {
63  bool ok;
64 
65  QHBoxLayout *hL = new QHBoxLayout;
66 
67  for (int i = 0; i < 4; i++)
68  default_[i] = 0.0;
69 
70  ok = true;
71  if (_hints.contains ("default"))
72  {
73  QStringList sl = _hints["default"].split (',');
74 
75  if (sl.length () == 4)
76  {
77  for (int i = 0; i < 4 && ok; i++)
78  default_[i] = sl[i].toFloat (&ok);
79 
80  if (!ok)
81  for (int i = 0; i < 4; i++)
82  default_[i] = 0.0;
83  }
84  }
85 
86  for (int i = 0; i < 4; i++)
87  fields_[i] = new QLineEdit;
88 
89  hL->addWidget (new QLabel ("("));
90  hL->addWidget (fields_[0]);
91  hL->addWidget (new QLabel (","));
92  hL->addWidget (fields_[1]);
93  hL->addWidget (new QLabel (","));
94  hL->addWidget (fields_[2]);
95  hL->addWidget (new QLabel (","));
96  hL->addWidget (fields_[3]);
97  hL->addWidget (new QLabel (")"));
98 
99  for (int i = 0; i < 4; i++)
100  {
101  fields_[i]->setText (QString::number (default_[i]));
102  connect (fields_[i], SIGNAL (editingFinished ()), this, SLOT (editingFinished ()));
103  }
104 
105  setLayout (hL);
106 
107  for (int i = 0; i < 4; i++)
108  current_[i] = default_[i];
109 }
110 
112 Vec4DWidget::~ Vec4DWidget()
113 {
114 }
115 
116 //------------------------------------------------------------------------------
117 
120 {
121  QString rv = "Vector4 (";
122  rv += QString::number (current_[0]) + ",";
123  rv += QString::number (current_[1]) + ",";
124  rv += QString::number (current_[2]) + ",";
125  rv += QString::number (current_[3]) + ")";
126  return rv;
127 }
128 
129 //------------------------------------------------------------------------------
130 
132 void Vec4DWidget::fromValue(QString _from)
133 {
134  if (_from.startsWith ("Vector4 ("))
135  _from.remove (0, 8);
136  if (_from.endsWith (")"))
137  _from.remove (_from.length () - 1, 1);
138 
139  QStringList sl = _from.split (',');
140 
141  float v[4];
142  bool ok = true;
143 
144  if (sl.length () == 4)
145  {
146  for (int i = 0; i < 4 && ok; i++)
147  v[i] = sl[i].toFloat (&ok);
148 
149  if (ok)
150  for (int i = 0; i < 4; i++)
151  {
152  current_[i] = v[i];
153  fields_[i]->setText (QString::number (current_[i]));
154  }
155  }
156 }
157 
158 //------------------------------------------------------------------------------
159 
160 // handle slider changes
161 void Vec4DWidget::editingFinished ()
162 {
163  bool ok;
164 
165  for (int i = 0; i < 4; i++)
166  {
167  const float v = fields_[i]->text ().toFloat (&ok);
168 
169  if (ok)
170  current_[i] = v;
171  else
172  fields_[i]->setText (QString::number (current_[i]));
173  }
174 }
175 
176 
177 
178 //------------------------------------------------------------------------------
179 
182 {
183  for (int i = 0; i < 4; i++)
184  {
185  current_[i] = default_[i];
186  fields_[i]->setText (QString::number (current_[i]));
187  }
188 }
189 
190 //------------------------------------------------------------------------------
191 }
192 
QString toValue()
Convert current value to string.
Definition: vec4dWidget.cc:119
void toDefault()
Reset to default.
Definition: vec4dWidget.cc:181
void fromValue(QString _from)
Read value from string.
Definition: vec4dWidget.cc:132
Vec4DWidget(QMap< QString, QString > &_hints, QString _typeName, QWidget *_parent=NULL)
Constructor.
Definition: vec4dWidget.cc:60