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sWindows.h
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C/C++ Source or Header
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1991-06-06
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2KB
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62 lines
#include "swMemory.h"
#define COPYRIGHT "Copyright 1989 by Davide P. Cervone, all rights reserved"
#define PORTNAME "sWindowsPort"
/*
* DEFAULTSIGNAL is the signal to wait for when a screen can not be closed
* immediately, and no other signal could be allocated.
*/
#define DEFAULTSIGNAL SIGBREAKF_CTRL_F
#define NOWINDOW ((struct Window *)-1L)
#define ONE 1L
/*
* swHandlerInfo
*
* The data structure shared between the handler and the loader
* the loader sets some of these variables on behalf of the handler,
* in order to keep the handler as small as possible. The handler
* passes information that the loader needs (like the pointers to
* the routines for SetFunction) via this structure
*/
struct swHandlerInfo
{
struct MsgPort swPort; /* port used to store this info */
short MajVers,MinVers, LoadVers; /* version of handler and loader */
long Segment; /* SegList loaded by loader */
struct IntuitionBase **IntuitionBase;
struct SysBase **SysBase;
SLISTITEM *ScreenList; /* the linked list of screens */
WLISTITEM *WindowList; /* the linked list of windows */
/*
* These are the routines replaced by SetFunction()
*/
void (*aOpenWindow)();
void (*aCloseWindow)();
void (*aCloseScreen)();
/*
* These are the values returned by SetFunction, and are used
* to replace the original routines when sWindows exits
*/
long *OldOpenWindow;
long *OldCloseWindow;
long *OldCloseScreen;
};
/*
* Macros to make using swHandlerInfo easy
*/
#define VAR(x) (*(swHandlerData->x))
#define var(x) (swHandlerData->x)