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INTERVIE
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BUTTON.H
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C/C++ Source or Header
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1980-01-03
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5KB
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162 lines
/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* A button is a view of some value that is normally set when
* the button is pressed.
*/
#ifndef button_h
#define button_h
#include <InterViews/interactor.h>
#include <InterViews/subject.h>
class Button;
class ButtonList;
class Bitmap;
class ButtonState : public Subject {
public:
ButtonState();
ButtonState(int);
ButtonState(void*);
void operator=(ButtonState&);
void SetValue(int);
void SetValue(void*);
void GetValue (int& v) { v = (int)value; }
void GetValue (void*& v) { v = value; }
protected:
void* value;
void Modify(void*);
};
class Button : public Interactor {
public:
void Attach(Button*);
void Detach(Button*);
void Enable();
void Disable();
void Choose();
void UnChoose();
virtual void Press();
virtual void Refresh();
void SetDimensions(int width, int height);
virtual void Handle(Event&);
virtual void Update();
protected:
Button(ButtonState*, void*);
Button(const char*, ButtonState*, void*);
Button(Painter*, ButtonState*, void*);
~Button();
void* value; /* value associated with this button */
ButtonState* subject; /* set to this->value when pressed */
ButtonList* associates; /* enable/disable when chosen/unchosen */
boolean enabled; /* can be pressed */
boolean chosen; /* currently toggled on */
boolean hit; /* currently being pushed */
private:
void Init(ButtonState*, void*);
};
class TextButton : public Button {
protected:
const char* text;
Painter* background;
Painter* grayout; /* for disabled buttons */
TextButton(const char*, const char*, ButtonState*, void*);
TextButton(const char*, ButtonState*, void*);
TextButton(const char*, ButtonState*, void*, Painter*);
~TextButton();
void MakeBackground();
void MakeShape();
private:
void Init(const char*);
};
class PushButton : public TextButton {
public:
PushButton(const char*, ButtonState*, int);
PushButton(const char*, ButtonState*, void*);
PushButton(const char*, const char*, ButtonState*, int);
PushButton(const char*, const char*, ButtonState*, void*);
PushButton(const char*, ButtonState*, int, Painter*);
PushButton(const char*, ButtonState*, void*, Painter*);
virtual void Refresh();
protected:
virtual void Reconfig();
virtual void Redraw(Coord, Coord, Coord, Coord);
private:
void Init();
};
class RadioButton : public TextButton {
public:
RadioButton(const char*, ButtonState*, int);
RadioButton(const char*, ButtonState*, void*);
RadioButton(const char*, const char*, ButtonState*, int);
RadioButton(const char*, const char*, ButtonState*, void*);
RadioButton(const char*, ButtonState*, int, Painter*);
RadioButton(const char*, ButtonState*, void*, Painter*);
virtual void Refresh();
protected:
virtual void Reconfig();
virtual void Redraw(Coord, Coord, Coord, Coord);
private:
void Init();
};
class CheckBox : public TextButton {
public:
CheckBox(const char*, ButtonState*, int, int);
CheckBox(const char*, ButtonState*, void*, void*);
CheckBox(const char*, const char*, ButtonState*, int, int);
CheckBox(const char*, const char*, ButtonState*, void*, void*);
CheckBox(const char*, ButtonState*, int, int, Painter*);
CheckBox(const char*, ButtonState*, void*, void*, Painter*);
virtual void Press();
virtual void Refresh();
virtual void Update();
protected:
virtual void Reconfig();
virtual void Redraw(Coord, Coord, Coord, Coord);
private:
void* offvalue;
void Init(void*);
};
#endif