rulerwin.h

//
//  
//    The Laxkit, a windowing toolkit
//    Please consult http://laxkit.sourceforge.net about where to send any
//    correspondence about this software.
//
//    This library is free software; you can redistribute it and/or
//    modify it under the terms of the GNU Library General Public
//    License as published by the Free Software Foundation; either
//    version 2 of the License, or (at your option) any later version.
//
//    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; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    Copyright (C) 2004-2011 by Tom Lechner
//
#ifndef _LAX_RULERWINDOW_H
#define _LAX_RULERWINDOW_H

#include <lax/anxapp.h>

namespace Laxkit {

#define RULER_X         (1<<16)
#define RULER_Y         (1<<17)
#define RULER_TOPTICKS  (1<<18)
#define RULER_LEFTTICKS (1<<18)

#define RULER_BOTTOMTICKS (1<<19)
#define RULER_RIGHTTICKS  (1<<19)

#define RULER_CENTERTICKS (1<<20)
#define RULER_NONUMBERS   (1<<21)

 // defaults standard :inches, base=12, metric=cm
#define RULER_STANDARD    (1<<22)
#define RULER_METRIC      (1<<23)

 // send message when button down, and mouse leaves ruler
#define RULER_SENDONLBD (1<<24)
#define RULER_SENDONMBD (1<<25)
#define RULER_SENDONRBD (1<<26)

#define RULER_UP_IS_POSITIVE  (1<<27)

#define RULER_UNITS_MENU      (1<<28)

 //sent in ruler messages when currentunits are changed
#define RULER_Units   1


class RulerWindow : public anXWindow
{
 protected:
    double start,end,mag,umag; // real*mag=screen
    double tf,stf,sstf;
    anXWindow *trackwindow;
    LaxFont *smallnumbers;
    int baseunits, currentunits;
    virtual void adjustmetrics();
    virtual void drawtext(double n,int pos,int &textpos,int toff);

    virtual int NumberOfUnits();
    virtual int UnitInfo(int index, const char **name, int *id, double *scale, int *sdiv, int *ssdiv);
 public:
    unsigned long bgcolor,numcolor,tickcolor,curposcolor,subtickcolor,subsubtickcolor;
    double base,unit;
    double curpos;
    int subdiv,subsubdiv,screenoffset;

    RulerWindow(anXWindow *parnt,const char *nname,const char *ntitle,unsigned long nstyle,
                        int xx,int yy,int ww,int hh,int brder,
                        anXWindow *prev=NULL,unsigned long nowner=0,const char *nsend=NULL,
                        const char *base_units=NULL, int syncwithscreen=1);
    virtual ~RulerWindow();
    virtual int init();
    virtual int Event(const EventData *e,const char *mes);
    virtual void Refresh();
    virtual int MoveResize(int nx,int ny,int nw,int nh);
    virtual int Resize(int nw,int nh);
    virtual int MouseMove (int x,int y,unsigned int state, const LaxMouse *m);
    virtual int LBDown(int x,int y,unsigned int state,int count,const LaxMouse *d);
    virtual int RBDown(int x,int y,unsigned int state,int count,const LaxMouse *d);
    virtual int RBUp(int x,int y,unsigned int state,const LaxMouse *d);

    virtual int SetBaseUnits(const char *units);
    virtual int SetBaseUnits(int units);
    virtual int SetCurrentUnits(const char *units);
    virtual int SetCurrentUnits(int units);
    virtual int SetDivisions(int sdiv, int ssdiv);

    virtual void TrackThisWindow(anXWindow *win);
    virtual void Track();
    virtual void SetPos(double crpos);
    virtual void SetPosFromScreen(int p);
    virtual void SetPosFromScreenCoord(int x,int y);
    virtual void SetMag(double nmag); 
    virtual void Zoom(double f);
    virtual void Set(double strt);
    virtual void Set(double strt,double fin);
    virtual void SetOrigin(int o);

    virtual void AddRange(int id, double start, double end);

     //serializing aids
    virtual LaxFiles::Attribute *dump_out_atts(LaxFiles::Attribute *att,int what,anObject *context);
    virtual void dump_in_atts(LaxFiles::Attribute *att,int flag,anObject *context);
};

} // namespace Laxkit

#endif