EZ_GetWidgetUnknownData(3) EZWGL Functions EZ_GetWidgetUnknownData(3)NAME
EZ_SetWidgetUnknownData, EZ_GetWidgetUnknownData, EZ_GetWidgetUnknownâ
DataPtr
- register/retrieve arbitary data to a widget
SYNOPSIS
#include <EZ.h>
typedef union {
char c;
short s;
int i;
long l;
unsigned char uc;
unsigned short us;
unsigned int ui;
unsigned long ul;
float f;
void *p;
} EZ_UnknownDataType;
void EZ_SetWidgetUnknownData( EZ_Widget*widget, int idx,
EZ_UnknownDataType data)
int EZ_GetWidgetUnknownData( EZ_Widget*widget, int idx,
EZ_UnknownDataType *data_ret)
EZ_UnknownDataType EZ_GetWidgetUnknownDataPtr( EZ_Widget*widget)
ARGUMENTS
widget Specifies an EZ widget.
idx Specifies a positive integer.
data Specifies an entity of type EZ_UnknownDataType.
data_ret Specifies the return for client data.
DESCRIPTION
These functions attach client data to a widget. They are convenient
(but a little dangerous) routines. They come handy when one wants to
attach a few client data to a widget and does not feel like to create
special data structures to handle them.
EZ_SetWidgetUnknownData (re)allocates the storage allocated for client
data and set the 'idx' entry to 'data'.
EZ_GetWidgetUnknownData retrieves the client data stored at the 'idx'
location. It returns 1 if the 'idx'th entry is available and returns 0
otherwise.
EZ_GetWidgetUnknownDataPtr returns the array allocated for client
data.
SEE ALSOEZ_SetWidgetPtrData(3), EZ_SetWidgetIntData(3),
EZWGLEZ_GetWidgetUnknownData(3)
