SearchLineEditWidget.h

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.
 
    This file is part of the TerraLib - a Framework for building GIS enabled applications.
 
    TerraLib is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License,
    or (at your option) any later version.
 
    TerraLib is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License for more details.
 
    You should have received a copy of the GNU Lesser General Public License
    along with TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
 */
 
/*!
  \file SearchLineEditWidget.h
  
  \brief Defines a component used as a search field.
*/
#ifndef __TERRALIB_QT_WIDGETS_INTERNAL_SEARCHLINEEDITWIDGET_H
#define __TERRALIB_QT_WIDGETS_INTERNAL_SEARCHLINEEDITWIDGET_H
 
#include <terralib/qt/widgets/Config.h>
 
//! Qt include files
#include <QLineEdit>
#include <QToolButton>
#include <QValidator>
#include <QWidget>
 
namespace te
{
  namespace qt
  {
    namespace widgets
    {
 
      /*!
        \class CustomLineEdit
 
        \brief Reimplements QLineEdit to get focus event
      */
      class CustomLineEdit : public QLineEdit
      {
        Q_OBJECT
 
      public:
        CustomLineEdit(QWidget* parent = 0);
        ~CustomLineEdit();
 
      signals:
        void focussed(bool hasFocus);
 
      protected:
        virtual void focusInEvent(QFocusEvent* e);
        virtual void focusOutEvent(QFocusEvent* e);
      };
 
      /*!
        \class SearchLineEditWidget
        
        \brief Defines a component used as a search field.
      */
      class TEQTWIDGETSEXPORT SearchLineEditWidget : public QWidget
      {
        Q_OBJECT
        
        public:
        
          /*!
            \brief Constructor.
          */
          SearchLineEditWidget(QWidget* parent=0);
 
          /*!
            \brief Destructor.
          */
          ~SearchLineEditWidget();
 
        public:
 
          void setSearchFieldTextBackground(QString str);
 
          void setSearchFieldValidator(QValidator* validator);
 
        protected slots:
 
          void onLineEditFocussed(bool hasFocus);
 
          void onSearchToolButtonTriggered();
 
          void onClearToolButtonTriggered();
 
      signals:
 
          void search(QString str);
 
          void clearSearch();
 
        protected:
 
          te::qt::widgets::CustomLineEdit* m_lineEdit;
          QToolButton* m_searchToolButton;
          QToolButton* m_clearToolButton;
          QString m_lineEditBackgroundText;
 
      };
    }
  }
}
 
#endif //! __TERRALIB_QT_WIDGETS_INTERNAL_SEARCHLINEEDITWIDGET_H