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(A)Z8.ADF
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Esuom
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esuom.c
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C/C++ Source or Header
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1987-07-14
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4KB
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161 lines
/* esuom - my first screen hack! */
/* Sean Riddle 7/87 */
/* Based on RKM Vol I, Pg 3-108, input.device IND_ADDHANDLER sample prog */
/* OKC ACE BBS: (405) 631-9040 */
#include <intuition/intuition.h>
#include <exec/types.h>
#include <exec/ports.h>
#include <exec/memory.h>
#include <exec/io.h>
#include <exec/tasks.h>
#include <exec/interrupts.h>
#include <devices/input.h>
#include <exec/devices.h>
#include <devices/inputevent.h>
struct IntuitionBase *IntuitionBase;
struct IntuiMessage *GetMsg();
struct IntuiMessage *msg;
struct Window *OpenWindow();
struct Window *Window;
struct MsgPort *inputDevPort;
struct IOStdReq *inputRequestBlock;
struct Interrupt handlerStuff;
extern struct MsgPort *CreatePort();
extern struct IOStdReq *CreateStdIO();
struct MemEntry me[10];
struct NewWindow nw = {
50,50,
73,10,
-1,-1,
CLOSEWINDOW,
WINDOWCLOSE|ACTIVATE|WINDOWDRAG,
NULL,
NULL,
"Esuom",
NULL,
NULL,
0,0,0,0,
WBENCHSCREEN
};
USHORT pointer[]=
{
0x0000,0x0000,
0x0000,0x0000,
0x0000,0x0000,
0x0000,0x0000,
0x0000,0x0000,
0x0000,0x0000,
0x0000,0x0000,
0x0000,0x0100,
0x0100,0x0280,
0x0380,0x0640,
0x01C0,0x0320,
0x00E0,0x0196,
0x0076,0x00C9,
0x003E,0x0061,
0x001E,0x0031,
0x003E,0x0061,
0x003E,0x007F,
0x0000,0x003F,
0x0000,0x0000,
0x0000,0x0000
};
void cleanup(); /* must declare since it doesn't return an int */
/* my original input handler - too slow, caused stack overflows
unless stack was approx 100000!
rewritten in ASM - see InterfaceHandler.asm
struct InputEvent *myhandler(ev,mydata)
struct InputEvent *ev;
struct MemEntry *mydata[];
{
if(ev->ie_Class==IECLASS_RAWMOUSE) {
ev->ie_X=-ev->ie_X;
ev->ie_Y=-ev->ie_Y;
if(ev->ie_Code==IECODE_LBUTTON)
ev->ie_Code=IECODE_RBUTTON;
else if(ev->ie_Code==IECODE_RBUTTON)
ev->ie_Code=IECODE_LBUTTON;
if(ev->ie_Code==IECODE_RBUTTON+IECODE_UP_PREFIX)
ev->ie_Code=IECODE_LBUTTON+IECODE_UP_PREFIX;
else if(ev->ie_Code==IECODE_LBUTTON+IECODE_UP_PREFIX)
ev->ie_Code=IECODE_RBUTTON+IECODE_UP_PREFIX;
}
return(ev);
}
*/
extern VOID HandlerInterface(); /* our input handler */
void main(argc,argv)
int argc;
char *argv;
{
ULONG class;
printf("Esuom - 7/15/87 by Sean Riddle - OKC ACE BBS (405) 631-9040\n");
if(!(IntuitionBase=(struct IntuitionBase *)OpenLibrary("intuition.library",0)))
cleanup("Intuitionless.");
if(!(Window=(struct Window *)OpenWindow(&nw)))
cleanup("Window stuck.");
SetPointer(Window,pointer,18,16,-15,-14);
if(!(inputDevPort=CreatePort(0,0)))
cleanup("No port in sight.");
if(!(inputRequestBlock=CreateStdIO(inputDevPort)))
cleanup("IO not created.");
handlerStuff.is_Data=(APTR)&me[0];
handlerStuff.is_Code=HandlerInterface;
handlerStuff.is_Node.ln_Pri=51; /* puts handler before Intuition() */
if(OpenDevice("input.device",0,inputRequestBlock,0))
cleanup("No input.device.");
inputRequestBlock->io_Command=IND_ADDHANDLER;
inputRequestBlock->io_Data=(APTR)&handlerStuff;
DoIO(inputRequestBlock);
for(;;) {
Wait(1<<Window->UserPort->mp_SigBit);
if(msg=(struct IntuiMessage *)GetMsg(Window->UserPort)) {
class=msg->Class;
ReplyMsg(msg);
if(class==CLOSEWINDOW)
break;
}
}
inputRequestBlock->io_Command=IND_REMHANDLER;
inputRequestBlock->io_Data=(APTR)&handlerStuff;
DoIO(inputRequestBlock);
cleanup("Mouse interface corrected....");
}
void cleanup(text) /* get rid of everything we've gotten */
char *text;
{
printf("%s\n",text);
if(inputRequestBlock) {
if (inputRequestBlock->io_Device)
CloseDevice(inputRequestBlock);
DeleteStdIO(inputRequestBlock);
}
if(inputDevPort)
DeletePort(inputDevPort);
if(Window) {
ClearPointer(Window);
CloseWindow(Window);
}
if(IntuitionBase)
CloseLibrary(IntuitionBase);
exit(0);
}