ros_topic_editor.cpp

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/*
 * Copyright (c) 2011, Willow Garage, Inc.
 * All rights reserved.
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 *       this software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#include <QPushButton>

#include "rviz/properties/ros_topic_editor.h"
#include "rviz/properties/ros_topic_dialog.h"

namespace rviz
{

RosTopicEditor::RosTopicEditor( QWidget* parent )
  : LineEditWithButton( parent )
{
}

void RosTopicEditor::onButtonClick()
{
  Q_EMIT startPersistence();
  std::string result;
  // When creating the dialog here, it is crucial that we pass *this*
  // as the parent of the dialog.  Otherwise when the focus shifts
  // from this to the dialog, the QTreeWidget will destroy the editor
  // (*this*).  Then after dialog->exec() returns, *this* will have
  // been deleted and the program crashes.
  RosTopicDialog* dialog = new RosTopicDialog( topic_.datatype, &result, this );
  if( dialog->exec() == QDialog::Accepted )
  {
    topic_.name = result;
    QString old_text = text();
    setText( QString::fromStdString( topic_.name ));
    setModified( old_text != text() );
  }
  Q_EMIT endPersistence();
}

void RosTopicEditor::setTopic( ros::master::TopicInfo new_topic )
{
  topic_ = new_topic;
  setText( QString::fromStdString( topic_.name ));
}

ros::master::TopicInfo RosTopicEditor::getTopic()
{
  topic_.name = text().toStdString();
  return topic_;
}

} // end namespace rviz