GUIWidget.h

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/********************************************************************
**                Image Component Library (ICL)                    **
**                                                                 **
** Copyright (C) 2006-2013 CITEC, University of Bielefeld          **
**                         Neuroinformatics Group                  **
** Website: www.iclcv.org and                                      **
**          http://opensource.cit-ec.de/projects/icl               **
**                                                                 **
** File   : ICLQt/src/ICLQt/GUIWidget.h                            **
** Module : ICLQt                                                  **
** Authors: Christof Elbrechter                                    **
**                                                                 **
**                                                                 **
** GNU LESSER GENERAL PUBLIC LICENSE                               **
** This file may be used under the terms of the GNU Lesser General **
** Public License version 3.0 as published by the                  **
**                                                                 **
** Free Software Foundation and appearing in the file LICENSE.LGPL **
** included in the packaging of this file.  Please review the      **
** following information to ensure the license requirements will   **
** be met: http://www.gnu.org/licenses/lgpl-3.0.txt                **
**                                                                 **
** The development of this software was supported by the           **
** Excellence Cluster EXC 277 Cognitive Interaction Technology.    **
** The Excellence Cluster EXC 277 is a grant of the Deutsche       **
** Forschungsgemeinschaft (DFG) in the context of the German       **
** Excellence Initiative.                                          **
**                                                                 **
********************************************************************/

#pragma once

#include <QWidget>
#include <ICLUtils/Size.h>
#include <ICLQt/GUI.h>
#include <ICLUtils/Uncopyable.h>

class QGridLayout;
class QLayout;
namespace icl{
  namespace qt{
    class GUIDefinition;
    class ProxyLayout;
    class ICLQt_API GUIWidget : public QWidget, public utils::Uncopyable{
      Q_OBJECT;
      public:
      enum layoutType{
        noLayout,       // do not call setLayout(..)
        hboxLayout,     // use a QHBoxLayout
        vboxLayout,     // use a QVBoxLayout
        gridLayout      // use the default GridLayout
      };


      GUIWidget(const GUIDefinition &def,
                int minParamCount,
                int maxParamCount=-1,
                layoutType lt=gridLayout,
                const utils::Size &defMinSize=utils::Size(0,0));


      virtual ~GUIWidget();

      public Q_SLOTS:

      void ioSlot();


      void addToGrid(QWidget *c, int x = 0, int y = 0, int width = 1, int height = 1);

      virtual void processIO(){}

      virtual QLayout *getGUIWidgetLayout() { return m_poGridLayout ? (QLayout*)m_poGridLayout : m_poOtherLayout; }

      virtual ProxyLayout *getProxyLayout() { return 0; }

      GUI *getGUI(){ return m_poGUI; }

      void registerCallback(const GUI::Callback &cb){
        m_vecCallbacks.push_back(cb);
      }
      void registerCallback(const GUI::ComplexCallback &cb){
        m_vecComplexCallbacks.push_back(cb);
      }
      void removeCallbacks(){
        m_vecCallbacks.clear();
        m_vecComplexCallbacks.clear();
      }


      void cb();

      virtual QSize sizeHint() const;

      private:
      QGridLayout *m_poGridLayout;
      QLayout *m_poOtherLayout;
      GUI *m_poGUI;
      std::string *m_handle;
      std::vector<GUI::Callback> m_vecCallbacks;
      std::vector<GUI::ComplexCallback> m_vecComplexCallbacks;
      utils::Size m_preferredSize;
    };
  } // namespace qt
}