enum_property.cpp
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2012, Willow Garage, Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * * Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * * Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * * Neither the name of the Willow Garage, Inc. nor the names of its
14  * contributors may be used to endorse or promote products derived from
15  * this software without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27  * POSSIBILITY OF SUCH DAMAGE.
28  */
29 
31 
33 
34 namespace rviz
35 {
36 EnumProperty::EnumProperty(const QString& name,
37  const QString& default_value,
38  const QString& description,
39  Property* parent,
40  const char* changed_slot,
41  QObject* receiver)
42  : StringProperty(name, default_value, description, parent, changed_slot, receiver)
43 {
44 }
45 
47 {
48  strings_.clear();
49  ints_.clear();
50 }
51 
52 void EnumProperty::addOption(const QString& option, int value)
53 {
54  strings_.push_back(option);
55  ints_[option] = value;
56 }
57 
59 {
60  QString current_string = getValue().toString();
61  QHash<QString, int>::const_iterator int_iter = ints_.find(current_string);
62  if (int_iter != ints_.end())
63  {
64  return int_iter.value();
65  }
66  return 0;
67 }
68 
69 QWidget* EnumProperty::createEditor(QWidget* parent, const QStyleOptionViewItem& /*option*/)
70 {
71  // Emit requestOptions() to give listeners a chance to change the option list.
72  Q_EMIT requestOptions(this);
73 
74  ComboBox* cb = new ComboBox(parent);
75  cb->addItems(strings_);
76  cb->setCurrentIndex(strings_.indexOf(getValue().toString()));
77  QObject::connect(cb, SIGNAL(currentIndexChanged(const QString&)), this,
78  SLOT(setString(const QString&)));
79 
80  // TODO: need to better handle string value which is not in list.
81  return cb;
82 }
83 
84 void EnumProperty::setString(const QString& str)
85 {
86  setValue(str);
87 }
88 
89 } // end namespace rviz
void requestOptions(EnumProperty *property_in_need_of_options)
requestOptions() is emitted each time createEditor() is called.
QHash< QString, int > ints_
QWidget * createEditor(QWidget *parent, const QStyleOptionViewItem &option) override
Create an editor widget to edit the value of this property.
virtual bool setValue(const QVariant &new_value)
Set the new value for this property. Returns true if the new value is different from the old value...
Definition: property.cpp:134
A single element of a property tree, with a name, value, description, and possibly children...
Definition: property.h:100
virtual void clearOptions()
Clear the list of options.
virtual void addOption(const QString &option, int value=0)
Property specialized for string values.
QStringList strings_
EnumProperty(const QString &name=QString(), const QString &default_value=QString(), const QString &description=QString(), Property *parent=nullptr, const char *changed_slot=nullptr, QObject *receiver=nullptr)
virtual QVariant getValue() const
Return the value of this Property as a QVariant. If the value has never been set, an invalid QVariant...
Definition: property.cpp:150
virtual int getOptionInt()
Return the int value of the currently-chosen option, or 0 if the current option string does not have ...
virtual void setString(const QString &str)
Set the value of this property to the given string. Does not force the value to be one of the list of...


rviz
Author(s): Dave Hershberger, David Gossow, Josh Faust
autogenerated on Mon Aug 15 2022 02:05:16