posterpreview.h

00001 /*
00002  *  This file is part of the KDE libraries
00003  *  Copyright (c) 2001-2002 Michael Goffioul <kdeprint@swing.be>
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Library General Public
00007  *  License version 2 as published by the Free Software Foundation.
00008  *
00009  *  This library is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  *  Library General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU Library General Public License
00015  *  along with this library; see the file COPYING.LIB.  If not, write to
00016  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017  *  Boston, MA 02110-1301, USA.
00018  **/
00019 
00020 #ifndef POSTERPREVIEW_H
00021 #define POSTERPREVIEW_H
00022 
00023 #include <qframe.h>
00024 #include <qvaluelist.h>
00025 
00026 class KProcess;
00027 
00028 class PosterPreview : public QFrame
00029 {
00030     Q_OBJECT
00031 public:
00032     PosterPreview( QWidget *parent = 0, const char *name = 0 );
00033     PosterPreview( const QString& postersize, const QString& mediasize, QWidget *parent = 0, const char *name = 0 );
00034     ~PosterPreview();
00035 
00036 public slots:
00037     void setPosterSize( int );
00038     void setPosterSize( const QString& );
00039     void setMediaSize( int );
00040     void setMediaSize( const QString& );
00041     void setCutMargin( int );
00042     void updatePoster();
00043     void setSelectedPages( const QString& );
00044 
00045 signals:
00046     void selectionChanged( const QString& );
00047 
00048 protected:
00049     void parseBuffer();
00050     void drawContents( QPainter* );
00051     void init();
00052     void setDirty();
00053     void mouseMoveEvent( QMouseEvent* );
00054     void mousePressEvent( QMouseEvent* );
00055     void emitSelectedPages();
00056 
00057 protected slots:
00058     void slotProcessStderr( KProcess*, char*, int );
00059     void slotProcessExited( KProcess* );
00060 
00061 private:
00062     int m_rows, m_cols;
00063     int m_pw, m_ph; // page size
00064     int m_mw, m_mh; // cur margins
00065     QRect m_posterbb; // poster bounding box (without any margin)
00066     KProcess *m_process;
00067     QString m_buffer;
00068     QString m_postersize, m_mediasize;
00069     int m_cutmargin;
00070     bool m_dirty;
00071     QRect m_boundingrect;
00072     QValueList<int> m_selectedpages;
00073 };
00074 
00075 #endif /* POSTERPREVIEW_H */
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