home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Club Amiga de Montreal - CAM
/
CAM_CD_1.iso
/
files
/
594b.lha
/
Precognition_rel1
/
Slider.h
< prev
next >
Wrap
C/C++ Source or Header
|
1991-12-12
|
2KB
|
89 lines
/* ==========================================================================
**
** Slider.h
**
** Object<GraphicObject<Interactor<Valuator<Positioner<Sliders
**
** Sliders are proportional gadgets.
**
**
** ©1991 WILLISoft
**
** ==========================================================================
*/
#ifndef SLIDER_H
#define SLIDER_H
#include "Precognition_utils.h"
#include "Precognition3D.h"
#include "pcgWindow.h"
#include "EmbossedGadget.h"
#include "Positioner.h"
typedef struct SliderMap
{
SHORT Min;
SHORT Max;
SHORT Pot;
SHORT Body;
} SliderMap;
/* This data type is used to 'map' the desired range of a
** a PropGadget to its actual range. (i.e. Intuition uses
** a range of 0..65536. Usually the application has another
** range in mind.
*/
typedef struct Slider
{
EmbossedGadget eg;
struct PropInfo Prop;
WORD AutoKnob[4];
} Slider;
void Slider_Init( Slider *self,
PIXELS LeftEdge,
PIXELS TopEdge,
PIXELS Width,
PIXELS Height,
pcg_3DPens Pens );
/* The following function initializes an autoknob
** propgadget. The gadget is initialized to be full size.
** The relevant fields which are initialized are:
** Flags = GADGHCOMP;
** GadgetType = PROPGADGET;
** GadgetRender = &AutoKnob;
** SelectRender = NULL;
** SpecialInfo = &Prop;
** Prop.Flags = AUTOKNOB | BORDERLESS;
**
** You have to do everything else.
*/
void SliderClass_Init( struct PositionerClass *class );
/*
** SlideLower() moves the slider knob toward position 0. NOTE that
** 'Lower' is relative to the position range, NOT THE DIRECTION
** IT MOVES ON THE SCREEN. For a VSlider, position 0 (and therefore
** 'lower') is toward the TOP of the screen.
**
** SlideHigher() moves the slider knob toward position 0xFFFF.
**
** In both cases, the amount of movement is proportional to the
** size of the knob.
*/
void SlideLower( Slider *self );
void SlideHigher( Slider *self );
#endif