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// adjtext.h
/******************************************************************************
*
* MiXViews - an X window system based sound & data editor/processor
*
* Copyright (c) 1993, 1994 Regents of the University of California
*
* Author: Douglas Scott
* Date: December 13, 1994
*
* Permission to use, copy and modify this software and its documentation
* for research and/or educational purposes and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation. The author reserves the right to distribute this
* software and its documentation. The University of California and the author
* make no representations about the suitability of this software for any
* purpose, and in no event shall University of California be liable for any
* damage, loss of data, or profits resulting from its use.
* It is provided "as is" without express or implied warranty.
*
******************************************************************************/
// base class for text input object whose value can be updated and displayed
// via the Adjust() method. Max, min, and current values are set via a
// Perspective object. Derived class definitions are here too:
// AdjustableNumber, AdjustableInteger, and AdjustableDouble
// See textinput.h for details on AdjustableText's base class
#ifndef ADJTEXT_H
#ifdef __GNUG__
#pragma interface
#endif
#define ADJTEXT_H
#include "localdefs.h"
#include "range.h"
#include "textinput.h"
class Perspective;
class AdjustableText : public TextInput {
typedef TextInput Super;
public:
AdjustableText(ButtonState *, const char *samp, QueryValue *);
AdjustableText(const char* name, ButtonState *, const char *samp,
QueryValue *);
virtual ~AdjustableText();
redefined void Reconfig();
redefined void Adjust(Perspective &);
protected:
int lower() const;
int upper() const;
int current() const;
void setPerspectiveBounds(int lower, int upper);
void setPerspectiveCurrent(int current);
virtual void constrain(Perspective &);
virtual void doAdjust(Perspective &) = 0;
private:
void initialize();
};
// ********
class Range;
class AdjustableNumber : public AdjustableText {
public:
AdjustableNumber(ButtonState *, const char *, QueryValue *);
AdjustableNumber(const char*, ButtonState *, const char *, QueryValue *);
virtual void setBounds(const Range &)=0;
virtual int integerValue()=0;
virtual double doubleValue()=0;
};
// ********
class AdjustableInteger : public AdjustableNumber {
typedef AdjustableNumber Super;
public:
AdjustableInteger(ButtonState *, QueryValue *, const Range &);
redefined void setBounds(const Range &);
redefined int integerValue();
redefined double doubleValue();
protected:
redefined void doAdjust(Perspective &);
redefined const char* stringValue();
redefined int setCurrent(const char*);
private:
void initialize(const Range&);
};
class AdjustableDouble : public AdjustableNumber {
typedef AdjustableNumber Super;
public:
AdjustableDouble(ButtonState *, QueryValue *, const Range &);
redefined void setBounds(const Range &);
redefined int integerValue();
redefined double doubleValue();
protected:
redefined void doAdjust(Perspective &);
redefined const char* stringValue();
redefined int setCurrent(const char*);
private:
void initialize(const Range&);
double fraction();
Range valueRange;
};
#endif
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