pgpropertyfield_checkbox.h

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/*
    ParaGUI - crossplatform widgetset
    Copyright (C) 2000,2001,2002  Alexander Pipelka
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Alexander Pipelka
    pipelka@teleweb.at
 
    Last Update:      $Author: mbickel $
    Update Date:      $Date: 2008-02-01 12:19:52 $
    Source File:      $Source: /home/cvspsrv/cvsroot/games/asc/source/libs/paragui/include/pgpropertyfield_checkbox.h,v $
    CVS/RCS Revision: $Revision: 1.3 $
    Status:           $State: Exp $
*/


#ifndef PG_PROPERTYFIELD_CHECKBOX_H
#define PG_PROPERTYFIELD_CHECKBOX_H

#include "pgpropertyeditor.h"
#include "pgcheckbutton.h"

template<typename B>
class PG_PropertyField_Checkbox : public PG_PropertyEditor::PG_PropertyEditorField, public SigC::Object  {
        B* myProperty;
        PG_CheckButton* checkbox;
        bool switchInverted;

        bool click( bool b) {
                sigValueChanged(this,b);
                return true;
        }

public:
        typedef PG_Signal2<PG_PropertyField_Checkbox*, B> CheckboxPropertySignal;
        CheckboxPropertySignal sigValueChanged;
        CheckboxPropertySignal sigValueApplied;

        PG_PropertyField_Checkbox( PG_PropertyEditor* propertyEditor, const std::string& name, B* b, bool inverted = false ) : myProperty( b ), switchInverted( inverted ) {
                PG_Rect r = propertyEditor->RegisterProperty( name, this );
                checkbox = new PG_CheckButton( propertyEditor, r, PG_NULLSTR, -1, propertyEditor->GetStyleName("BoolProperty") );
                checkbox->sigClick.connect( SigC::slot(*this, &PG_PropertyField_Checkbox::click));
                Reload();
        };

        PG_PropertyField_Checkbox( PG_PropertyEditor* propertyEditor, const std::string& name, const B& b, bool inverted = false ) : myProperty( NULL ), switchInverted( inverted ) {
                PG_Rect r = propertyEditor->RegisterProperty( name, this );
                checkbox = new PG_CheckButton( propertyEditor, r, PG_NULLSTR, -1, propertyEditor->GetStyleName("BoolProperty") );
                checkbox->sigClick.connect( SigC::slot(*this, &PG_PropertyField_Checkbox::click));

                if ( bool(b) ^ switchInverted )
                        checkbox->SetPressed();
                else
                        checkbox->SetUnpressed();
        };

        bool Valid() {
                return true;
        };
        bool Apply() {
                if ( myProperty )
                        *myProperty = checkbox->GetPressed() ^ switchInverted;

                sigValueApplied( this, checkbox->GetPressed() ^ switchInverted );
                return true;
        };
        void Reload() {
                if ( myProperty ) {
                        if ( bool(*myProperty) ^ switchInverted )
                                checkbox->SetPressed();
                        else
                                checkbox->SetUnpressed();
      }
        };
};

#endif

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