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/*
This file is part of the KDE project, module kcmbackground.
Copyright (C) 2002 Laurent Montel <[email protected]>
Copyright (C) 2003 Waldo Bastian <[email protected]>
Copyright (C) 2005 David Saxton <[email protected]>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
version 2 as published by the Free Software Foundation.
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; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _BGMONITOR_H_
#define _BGMONITOR_H_
#include <tqlabel.h>
#include <tqvaluevector.h>
#include <tqwidget.h>
class BGMonitor;
class BGMonitorLabel;
class KPixmap;
/**
* This class arranges and resizes a set of monitor images according to the
* monitor geometries.
*/
class BGMonitorArrangement : public TQWidget
{
Q_OBJECT
public:
BGMonitorArrangement(TQWidget *parent, const char *name=0L);
/**
* Splits up the pixmap according to monitor geometries and sets each
* BGMonitor pixmap accordingly.
*/
void setPixmap( const KPixmap & pm );
TQSize combinedPreviewSize() const { return m_combinedPreviewSize; }
TQSize maxPreviewSize() const { return m_maxPreviewSize; }
unsigned numMonitors() const { return m_pBGMonitor.size(); }
BGMonitor * monitor( unsigned screen ) const;
void updateArrangement();
signals:
void imageDropped(const TQString &);
protected:
virtual void resizeEvent( TQResizeEvent * );
TQRect expandToPreview( TQRect r ) const;
TQSize expandToPreview( TQSize s ) const;
TQPoint expandToPreview( TQPoint p ) const;
TQValueVector<BGMonitorLabel*> m_pBGMonitor;
TQSize m_combinedPreviewSize;
TQSize m_maxPreviewSize;
};
/**
* Contains a BGMonitor.
*/
class BGMonitorLabel : public TQLabel
{
public:
BGMonitorLabel(TQWidget *parent, const char *name=0L);
BGMonitor * monitor() const { return m_pBGMonitor; }
void updateMonitorGeometry();
void setPreviewPosition( TQRect r ) { m_previewPosition = r; }
TQRect previewPosition() const { return m_previewPosition; }
protected:
virtual void resizeEvent( TQResizeEvent * );
BGMonitor * m_pBGMonitor;
TQRect m_previewPosition;
};
/**
* This class handles drops on the preview monitor.
*/
class BGMonitor : public TQLabel
{
Q_OBJECT
public:
BGMonitor(TQWidget *parent, const char *name=0L);
signals:
void imageDropped(const TQString &);
protected:
virtual void dropEvent(TQDropEvent *);
virtual void dragEnterEvent(TQDragEnterEvent *);
};
#endif
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