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/******************************************************************************
*
* Copyright (c) 1994-1999 Palm Computing, Inc. or its subsidiaries.
* All rights reserved.
*
* File: Control.h
*
* Description:
* This file defines check box structures and routines.
*
* History:
* August 29, 1994 Created by Art Lamb
* Name Date Description
* ---- ---- -----------
* bob 2/9/99 Fix up const stuff
* bob 4/16/99 add GraphicControlType
*
*****************************************************************************/
#ifndef __CONTROL_H__
#define __CONTROL_H__
#include <PalmTypes.h>
#include <CoreTraps.h>
#include <DataMgr.h>
#include <Event.h>
typedef struct {
UInt8 usable :1; // set if part of ui
UInt8 enabled :1; // set if interactable (not grayed out)
UInt8 visible :1; // set if drawn (set internally)
UInt8 on :1; // set if on (checked)
UInt8 leftAnchor :1; // set if bounds expand to the right
// clear if bounds expand to the left
UInt8 frame :3;
UInt8 drawnAsSelected :1; // support for old-style graphic controls
// where control overlaps a bitmap
UInt8 graphical :1; // set if images are used instead of text
UInt8 vertical :1; // true for vertical sliders
UInt8 reserved :5;
} ControlAttrType;
enum controlStyles {buttonCtl, pushButtonCtl, checkboxCtl, popupTriggerCtl,
selectorTriggerCtl, repeatingButtonCtl, sliderCtl,
feedbackSliderCtl };
typedef enum controlStyles ControlStyleType;
enum buttonFrames {noButtonFrame, standardButtonFrame, boldButtonFrame,
rectangleButtonFrame};
typedef enum buttonFrames ButtonFrameType;
typedef struct ControlType {
UInt16 id;
RectangleType bounds;
Char * text;
ControlAttrType attr;
ControlStyleType style;
FontID font;
UInt8 group;
UInt8 reserved;
} ControlType;
typedef ControlType *ControlPtr; // deprecated, use ControlType *
// GraphicControlType *'s can be cast to ControlType *'s and passed to all
// Control API functions (as long as the 'graphical' bit in the attrs is set)
typedef struct GraphicControlType {
UInt16 id;
RectangleType bounds;
DmResID bitmapID; // overlays text in ControlType
DmResID selectedBitmapID; // overlays text in ControlType
ControlAttrType attr;
ControlStyleType style;
FontID unused;
UInt8 group;
UInt8 reserved;
} GraphicControlType;
// SliderControlType *'s can be cast to ControlType *'s and passed to all
// Control API functions (as long as the control style is a slider)
typedef struct SliderControlType {
UInt16 id;
RectangleType bounds;
DmResID thumbID; // overlays text in ControlType
DmResID backgroundID; // overlays text in ControlType
ControlAttrType attr; // graphical *is* set
ControlStyleType style; // must be sliderCtl or repeatingSliderCtl
UInt8 reserved;
Int16 minValue;
Int16 maxValue;
Int16 pageSize;
Int16 value;
MemPtr activeSliderP;
} SliderControlType;
//----------------------------------------------------------
// Control Functions
//----------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
extern void CtlDrawControl (ControlType *controlP)
SYS_TRAP(sysTrapCtlDrawControl);
extern void CtlEraseControl (ControlType *controlP)
SYS_TRAP(sysTrapCtlEraseControl);
extern void CtlHideControl (ControlType *controlP)
SYS_TRAP(sysTrapCtlHideControl);
extern void CtlShowControl (ControlType *controlP)
SYS_TRAP(sysTrapCtlShowControl);
extern Boolean CtlEnabled (const ControlType *controlP)
SYS_TRAP(sysTrapCtlEnabled);
extern void CtlSetEnabled (ControlType *controlP, Boolean usable)
SYS_TRAP(sysTrapCtlSetEnabled);
extern void CtlSetUsable (ControlType *controlP, Boolean usable)
SYS_TRAP(sysTrapCtlSetUsable);
extern Int16 CtlGetValue (const ControlType *controlP)
SYS_TRAP(sysTrapCtlGetValue);
extern void CtlSetValue (ControlType *controlP, Int16 newValue)
SYS_TRAP(sysTrapCtlSetValue);
extern const Char *CtlGetLabel (const ControlType *controlP)
SYS_TRAP(sysTrapCtlGetLabel);
extern void CtlSetLabel (ControlType *controlP, const Char *newLabel)
SYS_TRAP(sysTrapCtlSetLabel);
extern void CtlSetGraphics (ControlType *ctlP,
DmResID newBitmapID, DmResID newSelectedBitmapID)
SYS_TRAP(sysTrapCtlSetGraphics);
extern void CtlSetSliderValues(ControlType *ctlP, const UInt16 *minValueP, const UInt16 *maxValueP,
const UInt16 *pageSizeP, const UInt16 *valueP)
SYS_TRAP(sysTrapCtlSetSliderValues);
extern void CtlGetSliderValues(const ControlType *ctlP, UInt16 *minValueP, UInt16 *maxValueP,
UInt16 *pageSizeP, UInt16 *valueP)
SYS_TRAP(sysTrapCtlGetSliderValues);
extern void CtlHitControl (const ControlType *controlP)
SYS_TRAP(sysTrapCtlHitControl);
extern Boolean CtlHandleEvent (ControlType *controlP, EventType *pEvent)
SYS_TRAP(sysTrapCtlHandleEvent);
extern Boolean CtlValidatePointer (const ControlType *controlP)
SYS_TRAP(sysTrapCtlValidatePointer);
extern ControlType *CtlNewControl (void **formPP, UInt16 ID,
ControlStyleType style, const Char *textP,
Coord x, Coord y, Coord width, Coord height,
FontID font, UInt8 group, Boolean leftAnchor)
SYS_TRAP(sysTrapCtlNewControl);
extern GraphicControlType *CtlNewGraphicControl (void **formPP, UInt16 ID,
ControlStyleType style, DmResID bitmapID, DmResID selectedBitmapID,
Coord x, Coord y, Coord width, Coord height,
UInt8 group, Boolean leftAnchor)
SYS_TRAP(sysTrapCtlNewGraphicControl);
extern SliderControlType *CtlNewSliderControl (void **formPP, UInt16 ID,
ControlStyleType style, DmResID thumbID, DmResID backgroundID,
Coord x, Coord y, Coord width, Coord height, UInt16 minValue, UInt16 maxValue,
UInt16 pageSize, UInt16 value)
SYS_TRAP(sysTrapCtlNewSliderControl);
#ifdef __cplusplus
}
#endif
#endif //__CONTROL_H__
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