imagewidget.h

/*
    This file is part of KAddressBook.
    Copyright (c) 2003 Tobias Koenig <tokoe@kde.org>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program 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 General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
    As a special exception, permission is given to link this program
    with any edition of TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/
 
#ifndef IMAGEWIDGET_H
#define IMAGEWIDGET_H
 
#include <tqlabel.h>
#include <tqpushbutton.h>
 
#include <tdeabc/picture.h>
#include <kdialogbase.h>
 
#include "contacteditorwidget.h"
 
class ImageLoader : public TQObject
{
  TQ_OBJECT
  
 
  public:
    ImageLoader( TQWidget *parent );
 
    TDEABC::Picture loadPicture( const KURL &url, bool *ok );
 
  private:
    TDEABC::Picture mPicture;
    TQWidget *mParent;
};
 
class ImageButton : public TQPushButton
{
  TQ_OBJECT
  
 
  public:
    ImageButton( const TQString &title, TQWidget *parent );
 
    void setReadOnly( bool readOnly );
 
    void setPicture( const TDEABC::Picture &picture );
    TDEABC::Picture picture() const;
 
    void setImageLoader( ImageLoader *loader );
 
  signals:
    void changed();
    void urlDropped( const KURL& );
 
  protected:
    virtual void dragEnterEvent( TQDragEnterEvent *event );
    virtual void dropEvent( TQDropEvent *event );
    virtual void mouseMoveEvent( TQMouseEvent *event );
    virtual void mousePressEvent( TQMouseEvent *event );
    virtual void contextMenuEvent( TQContextMenuEvent *event );
 
  private slots:
    void load();
    void clear();
 
  private:
    void startDrag();
    void updateGUI();
 
    bool mReadOnly;
    TQPoint mDragStartPos;
    TDEABC::Picture mPicture;
 
    ImageLoader *mImageLoader;
};
 
 
class ImageBaseWidget : public TQWidget
{
  TQ_OBJECT
  
 
  public:
    ImageBaseWidget( const TQString &title, TQWidget *parent, const char *name = 0 );
    ~ImageBaseWidget();
 
    void setImage( const TDEABC::Picture &photo );
 
    TDEABC::Picture image() const;
 
    void setReadOnly( bool readOnly );
 
  signals:
    void changed();
 
  private:
    ImageButton *mImageButton;
    ImageLoader *mImageLoader;
 
    bool mReadOnly;
};
 
class ImageWidget : public KAB::ContactEditorWidget
{
  public:
    ImageWidget( TDEABC::AddressBook *ab, TQWidget *parent, const char *name = 0 );
 
    void loadContact( TDEABC::Addressee *addr );
    void storeContact( TDEABC::Addressee *addr );
    void setReadOnly( bool readOnly );
 
    int logicalWidth() const { return 2; }
 
  private:
    ImageBaseWidget *mPhotoWidget;
    ImageBaseWidget *mLogoWidget;
};
 
class ImageWidgetFactory : public KAB::ContactEditorWidgetFactory
{
  public:
    KAB::ContactEditorWidget *createWidget( TDEABC::AddressBook *ab, TQWidget *parent, const char *name )
    {
      return new ImageWidget( ab, parent, name );
    }
 
    TQString pageIdentifier() const { return "misc"; }
};
 
#endif