marginpreview.h

/*
 *  This file is part of the KDE libraries
 *  Copyright (c) 2001 Michael Goffioul <tdeprint@swing.be>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library 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 MARGINPREVIEW_H
#define MARGINPREVIEW_H
 
#include <tqwidget.h>
 
class MarginPreview : public TQWidget
{
    TQ_OBJECT
 
public:
    MarginPreview(TQWidget *parent = 0, const char *name = 0);
    ~MarginPreview();
    // note : unit -> points (1/72th in)
    void setPageSize(float w, float h);
    void setMargins(float t, float b, float l, float r);
    void setNoPreview(bool on);
    void setSymetric(bool on);
    enum    StateType { Fixed = -1, None = 0, TMoving, BMoving, LMoving, RMoving };
 
public slots:
    void enableRubberBand(bool on);
 
signals:
    void marginChanged(int type, float value);
 
protected:
    void paintEvent(TQPaintEvent *);
    void resizeEvent(TQResizeEvent *);
    void mouseMoveEvent(TQMouseEvent *);
    void mousePressEvent(TQMouseEvent *);
    void mouseReleaseEvent(TQMouseEvent *);
    int locateMouse(const TQPoint& p);
    void drawTempLine(TQPainter*);
 
private:
    float   width_, height_;
    float   top_, bottom_, left_, right_;
    TQRect  box_, margbox_;
    float   zoom_;
    bool    nopreview_;
    int state_;
    int oldpos_;
    bool    symetric_;
};
 
#endif