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Almathera Ten Pack 3: CDPD 3
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Almathera Ten on Ten - Disc 3: CDPD3.iso
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fish
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741
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rkrm_devices
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rkrm_devices.lha
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Input
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Set_Mouse.c
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C/C++ Source or Header
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1992-09-03
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5KB
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142 lines
/*
* Copyright (c) 1992 Commodore-Amiga, Inc.
*
* This example is provided in electronic form by Commodore-Amiga, Inc. for
* use with the "Amiga ROM Kernel Reference Manual: Devices", 3rd Edition,
* published by Addison-Wesley (ISBN 0-201-56775-X).
*
* The "Amiga ROM Kernel Reference Manual: Devices" contains additional
* information on the correct usage of the techniques and operating system
* functions presented in these examples. The source and executable code
* of these examples may only be distributed in free electronic form, via
* bulletin board or as part of a fully non-commercial and freely
* redistributable diskette. Both the source and executable code (including
* comments) must be included, without modification, in any copy. This
* example may not be published in printed form or distributed with any
* commercial product. However, the programming techniques and support
* routines set forth in these examples may be used in the development
* of original executable software products for Commodore Amiga computers.
*
* All other rights reserved.
*
* This example is provided "as-is" and is subject to change; no
* warranties are made. All use is at your own risk. No liability or
* responsibility is assumed.
*
***************************************************************************
*
* Set_Mouse.c
*
* This example sets the mouse at x=100 and y=200
*
* Compile with SAS C 5.10: LC -b1 -cfistq -v -y -L
* Requires Kickstart 36 or greater.
*
* Run from CLI only
*/
#include <exec/types.h>
#include <exec/memory.h>
#include <exec/libraries.h>
#include <devices/input.h>
#include <devices/inputevent.h>
#include <intuition/screens.h>
#include <clib/exec_protos.h>
#include <clib/intuition_protos.h>
#include <stdio.h>
#ifdef LATTICE
int CXBRK(void) { return(0); } /* Disable SAS CTRL/C handling */
int chkabort(void) { return(0); } /* really */
#endif
struct IntuitionBase *IntuitionBase;
extern struct Library *SysBase;
void main(void)
{
struct IOStdReq *InputIO; /* I/O request block */
struct MsgPort *InputMP; /* Message port */
struct InputEvent *FakeEvent; /* InputEvent pointer */
struct IEPointerPixel *NeoPix; /* New mouse position pointer */
struct Screen *PubScreen; /* Screen pointer */
if(SysBase->lib_Version>=36)
{
if (InputMP = CreateMsgPort())
{
if (FakeEvent = AllocMem(sizeof(struct InputEvent),MEMF_PUBLIC))
{
if (NeoPix = AllocMem(sizeof(struct IEPointerPixel),MEMF_PUBLIC))
{
if (InputIO = CreateIORequest(InputMP,sizeof(struct IOStdReq)))
{
if (!OpenDevice("input.device",NULL,
(struct IORequest *)InputIO,NULL))
{
/* Open Intuition library */
if (IntuitionBase = (struct IntuitionBase *)
OpenLibrary("intuition.library",36L))
{
/* Get pointer to screen and lock screen */
if (PubScreen = (struct Screen *)LockPubScreen(NULL))
{
/* Set up IEPointerPixel fields */
NeoPix->iepp_Screen =(struct Screen *)PubScreen; /* WB screen */
NeoPix->iepp_Position.X = 100; /* put pointer at x = 100 */
NeoPix->iepp_Position.Y = 200; /* put pointer at y = 200 */
/* Set up InputEvent fields */
FakeEvent->ie_EventAddress = (APTR)NeoPix; /* IEPointerPixel */
FakeEvent->ie_NextEvent = NULL;
FakeEvent->ie_Class = IECLASS_NEWPOINTERPOS; /* new mouse pos */
FakeEvent->ie_SubClass = IESUBCLASS_PIXEL; /* on pixel */
FakeEvent->ie_Code = IECODE_NOBUTTON;
FakeEvent->ie_Qualifier = NULL; /* absolute positioning */
InputIO->io_Data = (APTR)FakeEvent; /* InputEvent */
InputIO->io_Length = sizeof(struct InputEvent);
InputIO->io_Command = IND_WRITEEVENT;
DoIO((struct IORequest *)InputIO);
UnlockPubScreen(NULL,PubScreen); /* Unlock screen */
}
else
printf("Could not get pointer to screen\n");
CloseLibrary(IntuitionBase); /* Close intuition library */
}
else
printf("Error: Could not open V36 or higher intuition.library\n");
CloseDevice((struct IORequest *)InputIO);
}
else
printf("Error: Could not open input.device\n");
DeleteIORequest(InputIO);
}
else
printf("Error: Could not create IORequest\n");
FreeMem(NeoPix,sizeof(struct IEPointerPixel));
}
else
printf("Error: Could not allocate memory for NeoPix\n");
FreeMem(FakeEvent,sizeof(struct InputEvent));
}
else
printf("Error: Could not allocate memory for FakeEvent\n");
DeleteMsgPort(InputMP);
}
else
printf("Error: Could not create message port\n");
}
else
printf("Error: Release2 (V36) or a later version of the OS is required\n");
}