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Club Amiga de Montreal - CAM
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DateRequester
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MRGadgets.h
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C/C++ Source or Header
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1989-12-27
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1KB
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35 lines
/* MRGadgets.h - Miscellaneous gadget support routines. */
/* The SelectRastPort macro selects a rastport from either a window or
* a requester. If the requester, <r> is non-null, it is used. Otherwise
* the window's (<w>) RastPort is used.
*/
/* Macros: */
/* Get the pointer to a gadget image, given a pointer to a gadget. */
#define GadgetImage(g) (struct Image *) (g)->GadgetRender
/* Get the pointer to a gadget's image data. */
#define GadgetImageData(g) (GadgetImage(g))->ImageData
/* Get the pointer to a gadget string, given a pointer to a gadget. */
#define GadgetString(g) ((struct StringInfo *) ((g)->SpecialInfo))->Buffer
/* Get the longint value for a string gadget. */
#define GadgetValue(g) ((struct StringInfo *) ((g)->SpecialInfo))->LongInt
/* Select a RastPort from either a window or a requester. */
#define SelectRastPort(w, r) (struct RastPort *) (r ? r->ReqLayer->rp : w->RPort)
/* Functions: */
void EraseGadgetBox(/*gadget, window, requester*/);
struct Gadget *GetGadget(/* id, window */);
void ResetStringInfo(/* char * */);
void SelectGadget(/*gadget,window,requester,state*/);
void SetOptionGadget(/*gadget,window,requester,option*/);
void SetStringGadget(/*gadget,window,requester,string*/);