ros_topic_dialog.cpp
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00001 /*
00002  * Copyright (c) 2011, Willow Garage, Inc.
00003  * All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions are met:
00007  *
00008  *     * Redistributions of source code must retain the above copyright
00009  *       notice, this list of conditions and the following disclaimer.
00010  *     * Redistributions in binary form must reproduce the above copyright
00011  *       notice, this list of conditions and the following disclaimer in the
00012  *       documentation and/or other materials provided with the distribution.
00013  *     * Neither the name of the Willow Garage, Inc. nor the names of its
00014  *       contributors may be used to endorse or promote products derived from
00015  *       this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00018  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00019  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00020  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
00021  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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00024  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
00025  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
00026  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00027  * POSSIBILITY OF SUCH DAMAGE.
00028  */
00029 
00030 #include "rviz/properties/ros_topic_dialog.h"
00031 #include "rviz/properties/ros_topic_tree.h"
00032 
00033 #include <QDialogButtonBox>
00034 #include <QVBoxLayout>
00035 #include <QPushButton>
00036 
00037 namespace rviz
00038 {
00039 
00040 RosTopicDialog::RosTopicDialog( const std::string& message_type, std::string* topic_name_output, QWidget* parent )
00041   : QDialog( parent )
00042   , message_type_( message_type )
00043   , topic_name_output_( topic_name_output )
00044 {
00045   topic_tree_ = new RosTopicTree( message_type_, this );
00046 
00047   button_box_ = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel, Qt::Horizontal, this );
00048   connect( button_box_, SIGNAL( accepted() ), this, SLOT( accept() ));
00049   connect( button_box_, SIGNAL( rejected() ), this, SLOT( reject() ));
00050   button_box_->button( QDialogButtonBox::Ok )->setEnabled( false );
00051 
00052   QVBoxLayout* layout = new QVBoxLayout;
00053   layout->addWidget( topic_tree_ );
00054   layout->addWidget( button_box_ );
00055 
00056   setLayout( layout );
00057 
00058   connect( topic_tree_, SIGNAL( selectedTopicChanged( std::string )),
00059            this, SLOT( onTopicChanged( std::string )));
00060 
00061   connect( topic_tree_, SIGNAL( topicActivated( std::string )),
00062            this, SLOT( onTopicActivated( std::string )));
00063 }
00064 
00065 void RosTopicDialog::onTopicChanged( std::string new_topic )
00066 {
00067   topic_name_ = new_topic;
00068   bool selection_is_valid = (new_topic != "");
00069   button_box_->button( QDialogButtonBox::Ok )->setEnabled( selection_is_valid );
00070 }
00071 
00072 void RosTopicDialog::onTopicActivated( std::string new_topic )
00073 {
00074   if( new_topic != "" )
00075   {
00076     topic_name_ = new_topic;
00077     Q_EMIT accept();
00078   }
00079 }
00080 
00081 void RosTopicDialog::accept()
00082 {
00083   *topic_name_output_ = topic_name_;
00084   QDialog::accept();
00085 }
00086 
00087 }; // end namespace rviz


rviz_qt
Author(s): Dave Hershberger
autogenerated on Fri Dec 6 2013 20:56:53