text: //
  // MIT License
  // 
  // Copyright (c) Deif Lou
  // 
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  // 
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  // 
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  //
  
  #ifndef FILTERWIDGET_H
  #define FILTERWIDGET_H
  
  #include <QWidget>
  #include <QToolButton>
  #include <QSlider>
  #include <QSpinBox>
  
  #include "filter.h"
  
  namespace Ui {
  class FilterWidget;
  }
  
  class FilterWidget : public QWidget
  {
      Q_OBJECT
  
  public:
      explicit FilterWidget(QWidget *parent = 0);
      ~FilterWidget();
  
  private:
      Ui::FilterWidget *ui;
      bool mEmitSignals;
  
  signals:
      void directionChanged(Filter::Direction d);
  
  public slots:
      void setDirection(Filter::Direction d);
  
  private slots:
      void on_mButtonDirectionHorizontal_toggled(bool checked);
      void on_mButtonDirectionVertical_toggled(bool checked);
      void on_mButtonDirectionBoth_toggled(bool checked);
  };
  
  #endif // FILTERWIDGET_H
  