imagelabel.cpp

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/***************************************************************************
 *   Copyright (C) 2003 by Hans Karlsson                                   *
 *   karlsson.h@home.se                                                      *
 *                                                                         *
 *   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.                                   *
 ***************************************************************************/
#include "imagelabel.h"
#include <qtimer.h>
#include <qtooltip.h>

ImageLabel::ImageLabel(int ix,int iy,int iw,int ih)
 : Meter(ix,iy,iw,ih), zoomed(false), rollover(false)
 {

}

ImageLabel::ImageLabel() : Meter(), zoomed(false), rollover(false){


}
ImageLabel::~ImageLabel(){


}

void ImageLabel::setValue(int v){
 setValue( QString::number( v ) );
}

void ImageLabel::setValue(QString fn)
{
  // use the first line
  QStringList sList = QStringList::split( "\n", fn );
  QString fileName = *sList.begin();
  QFileInfo fileInfo( fileName );
  QString path;

  QRegExp rx("^http://",false);
  bool fileOnNet = (rx.search(fileName)!=-1)?true:false;


  if( fileInfo.isRelative() && !fileOnNet )
  {
     path = themePath + "/" + fileName;
  }
  else
  {
     path = fileName;
  }

  if ( fileOnNet )
  {
      QString tmpFile;
      if(KIO::NetAccess::download(KURL(path), tmpFile, NULL))
      {
          pixmap = QPixmap(tmpFile);
          KIO::NetAccess::removeTempFile(tmpFile);
                kdDebug("ImageLabel") << "Downloaded: " << path << " to " << tmpFile << endl;
      }
      else
      {
                kdDebug("ImageLabel") << "Error Downloading: " << path << endl;
      }
  }
  else
  {
    pixmap = QPixmap( path );
  }
        kdDebug("ImageLabel") << "Pixmap " << pixmap.width() << "x" << pixmap.height() << endl;
        if((pixmap.width() > width || pixmap.height() > height) && center == true){
                QImage img = pixmap.convertToImage();
                QImage tmpImg = img.scale(height, width, QImage::ScaleMin);
                pixmap = QPixmap();
                pixmap.convertFromImage(tmpImg);
                kdDebug("ImageLabel") << "Pixmap now " << pixmap.width() << "x" << pixmap.height() << endl;
        }

  pixmapWidth = pixmap.width();
  pixmapHeight = pixmap.height();

  rect_off = QRect(x,y,pixmapWidth,pixmapHeight);
}

void ImageLabel::setCenter(bool c, int w, int h){
        if(h == 0 || w == 0){
                width = QApplication::desktop()->width();
                height = QApplication::desktop()->height();
        }
        else{
                width = w + 2*x;
                height = h + 2*y;
        }
        center = c;
}

void ImageLabel::mUpdate(QPainter* p)
{
  if(center == true){
        x = width/2 - pixmap.width()/2;
        y = height/2 - pixmap.height()/2;
  }
  if( ( (myKaramba->x() + myKaramba->themeW) >= 0) && ( (myKaramba->x() + x) <= QApplication::desktop()->width()) && ( (myKaramba->y() + myKaramba->themeH) >= 0) && ( (myKaramba->y() + y) <= QApplication::desktop()->height()) ){
    p->drawPixmap(x,y,pixmap);
  }
}

void ImageLabel::parseImages(QString fn, QString fn_roll, int _xoff, int _yoff, int _xon, int _yon)
{
        //fn = filename;
        //fn_roll = filename_roll;

        xoff = _xoff;
        yoff = _yoff;
        xon = _xon;
        yon = _yon;

        // use the first line
        QStringList sList = QStringList::split( "\n", fn );
        QString fileName = *sList.begin();
        QFileInfo fileInfo( fileName );
        QString path;

        QRegExp rx("^http://",false);
        bool fileOnNet = (rx.search(fileName)!=-1)?true:false;


        if( fileInfo.isRelative() && !fileOnNet )
        {
         path = themePath + "/" + fileName;
        }
        else
        {
         path = fileName;
        }

        if ( fileOnNet )
        {
          QString tmpFile;
          if(KIO::NetAccess::download(KURL(path), tmpFile, NULL))
          {
                  pixmap_off = QPixmap(tmpFile);
                  KIO::NetAccess::removeTempFile(tmpFile);
                kdDebug("ImageLabel") << "Downloaded: " << path << " to " << tmpFile << endl;
          }
          else
          {
                kdDebug("ImageLabel") << "Error Downloading: " << path << endl;
          }
        }
        else
        {
                pixmap_off = QPixmap( path );
        }

        pixmapOffWidth = pixmap.width();
        pixmapOffHeight = pixmap.height();

        rect_off = QRect(xoff,yoff,pixmapWidth,pixmapHeight);
        if (fn_roll.isEmpty())
                return;

        rollover=true;
        sList = QStringList::split( "\n", fn_roll );
        fileName = *sList.begin();
        fileInfo = QFileInfo( fileName );

        fileOnNet = (rx.search(fileName)!=-1)?true:false;


        if( fileInfo.isRelative() && !fileOnNet )
        {
         path = themePath + "/" + fileName;
        }
        else
        {
         path = fileName;
        }

        if ( fileOnNet )
        {
          QString tmpFile;
          if(KIO::NetAccess::download(KURL(path), tmpFile, NULL))
          {
                  pixmap_on = QPixmap(tmpFile);
                  KIO::NetAccess::removeTempFile(tmpFile);
                kdDebug("ImageLabel") << "Downloaded: " << path << " to " << tmpFile << endl;
          }
          else
          {
                kdDebug("ImageLabel") << "Error Downloading: " << path << endl;
          }
        }
        else
        {
                pixmap_on = QPixmap( path );
        }

        pixmapOnWidth = pixmap_on.width();
        pixmapOnHeight = pixmap_on.height();

        rect_on = QRect(xon,yon,pixmapOnWidth,pixmapOnHeight);
}

void ImageLabel::setKaramba(karamba* k)
{
        myKaramba = k;
}

void ImageLabel::rolloverImage(QMouseEvent *e)
{
        if (!rollover)
                return;

        if (zoomed)
        {
                if (!rect_off.contains(e->pos()))
                {
                        // rollover the image to the zoomed image
                        //setValue(fn_roll);
                        x = xoff;
                        y = yoff;
                        pixmap = pixmap_off;
                        pixmapWidth = pixmapOffWidth;
                        pixmapHeight = pixmapOffHeight;
                        zoomed = false;
                        myKaramba->step();
                }
        }
        else
        {
                if (rect_off.contains(e->pos()))
                {
                        // rollover the image to the zoomed image
                        //setValue(fn_roll);
                        x = xon;
                        y = yon;
                        pixmap = pixmap_on;
                        pixmapWidth = pixmapOnWidth;
                        pixmapHeight = pixmapOnHeight;
                        zoomed = true;
                        myKaramba->step();
                }
        }
}

void ImageLabel::setTooltip(QString txt)
{
        QRect rect(x,y,pixmapWidth,pixmapHeight);
        QToolTip::add(myKaramba, rect, txt);
}

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