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/***************************************************************************
* Copyright (C) 2006 by Sascha Hlusiak *
* [email protected] *
* *
* 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. *
***************************************************************************/
#include <tdeapplication.h>
#include <tqimage.h>
#include <kimageeffect.h>
#include <tqdesktopwidget.h>
#include "imageholder.h"
QImageHolder::QImageHolder(TQImage act,TQImage inact)
:img_active(NULL),img_inactive(NULL)
{
rootpixmap=NULL;
setUserdefinedPictures( act,inact);
initialized=userdefinedActive && userdefinedInactive;
emit repaintNeeded();
}
QImageHolder::~QImageHolder()
{
if (rootpixmap)delete rootpixmap;
if (img_active && !userdefinedActive)delete img_active;
if (img_inactive && !userdefinedInactive)delete img_inactive;
}
void QImageHolder::setUserdefinedPictures( TQImage act,TQImage inact)
{
int w=TQApplication::desktop()->width();
int h=TQApplication::desktop()->height();
if (img_active && !userdefinedActive)
{
delete img_active;
img_active=NULL;
}
if (img_inactive && !userdefinedInactive)
{
delete img_inactive;
img_inactive=NULL;
}
if (!act.isNull())
img_active=new TQPixmap(act);
else
img_active=NULL;
if (!inact.isNull())
img_inactive=new TQPixmap(inact);
else
img_inactive=NULL;
userdefinedActive=(img_active!=NULL);
userdefinedInactive=(img_inactive!=NULL);
CheckSanity();
}
void QImageHolder::Init()
{
if (initialized)return;
rootpixmap=new KMyRootPixmap(NULL/*,this*/);
rootpixmap->start();
rootpixmap->repaint(true);
connect( rootpixmap,TQ_SIGNAL(backgroundUpdated(const TQImage*)),this, TQ_SLOT(BackgroundUpdated(const TQImage*)));
connect(kapp, TQ_SIGNAL(backgroundChanged(int)),TQ_SLOT(handleDesktopChanged(int)));
initialized=true;
}
void QImageHolder::repaint(bool force)
{
Init();
if (rootpixmap)rootpixmap->repaint(force);
}
void QImageHolder::handleDesktopChanged(int)
{
repaint(true);
}
void QImageHolder::CheckSanity()
{
if (!initialized)return;
if (userdefinedActive && userdefinedInactive)return;
if (img_active!=NULL && !userdefinedActive)return;
if (img_inactive!=NULL && !userdefinedInactive)return;
if (rootpixmap)delete rootpixmap;
rootpixmap=NULL;
initialized=false;
}
void QImageHolder::BackgroundUpdated(const TQImage *src)
{
if (img_active && !userdefinedActive)
{
delete img_active;
img_active=NULL;
}
if (img_inactive && !userdefinedInactive)
{
delete img_inactive;
img_inactive=NULL;
}
if (src && !src->isNull())
{
if (!userdefinedInactive)
img_inactive=new TQPixmap(src->copy());
if (!userdefinedActive)
img_active=new TQPixmap(src->copy());
}
emit repaintNeeded();
}
#include "imageholder.moc"
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