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Implemented a int 0x33 handler, with a minimal implementation of the 

mouse routines, including callbacks.
This commit is contained in:
Ove Kaaven 1999-03-25 10:50:49 +00:00 committed by Alexandre Julliard
parent bb7f0de707
commit baed48e4e5
1 changed files with 122 additions and 0 deletions
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msdos/int33.c Normal file
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/*
* DOS interrupt 33h handler
*/
#include <stdlib.h>
#include "winuser.h"
#include "miscemu.h"
#include "dosexe.h"
#include "debug.h"
typedef struct {
DWORD x, y, but;
FARPROC16 callback;
WORD callmask;
} MOUSESYSTEM;
/**********************************************************************
* INT_Int33Handler
*
* Handler for int 33h (MS MOUSE).
*/
void WINAPI INT_Int33Handler( CONTEXT *context )
{
MOUSESYSTEM *sys = (MOUSESYSTEM *)DOSVM_GetSystemData(0x33);
switch (AX_reg(context)) {
case 0x00:
TRACE(int,"Reset mouse driver and request status\n");
AX_reg(context) = 0xFFFF; /* installed */
BX_reg(context) = 3; /* # of buttons */
sys = calloc(1,sizeof(MOUSESYSTEM));
DOSVM_SetSystemData(0x33, sys);
break;
case 0x03:
TRACE(int,"Return mouse position and button status\n");
BX_reg(context) = sys->but;
CX_reg(context) = sys->x;
DX_reg(context) = sys->y;
break;
case 0x0C: /* Define interrupt subroutine */
TRACE(int,"Define mouse interrupt subroutine\n");
sys->callmask = CX_reg(context);
sys->callback = (FARPROC16)PTR_SEG_OFF_TO_SEGPTR(ES_reg(context), DX_reg(context));
break;
default:
INT_BARF(context,0x33);
}
}
typedef struct {
FARPROC16 proc;
WORD mask,but,x,y,mx,my;
} MCALLDATA;
static void MouseRelay(LPDOSTASK lpDosTask,PCONTEXT context,void *mdata)
{
MCALLDATA *data = (MCALLDATA *)mdata;
CONTEXT ctx = *context;
AX_reg(&ctx) = data->mask;
BX_reg(&ctx) = data->but;
CX_reg(&ctx) = data->x;
DX_reg(&ctx) = data->y;
SI_reg(&ctx) = data->mx;
DI_reg(&ctx) = data->my;
CS_reg(&ctx) = SELECTOROF(data->proc);
IP_reg(&ctx) = OFFSETOF(data->proc);
free(data);
DPMI_CallRMProc(&ctx, NULL, 0, 0);
}
void WINAPI INT_Int33Message(UINT message,WPARAM wParam,LPARAM lParam)
{
MOUSESYSTEM *sys = (MOUSESYSTEM *)DOSVM_GetSystemData(0x33);
WORD mask = 0;
if (!sys) return;
sys->x = LOWORD(lParam);
sys->y = HIWORD(lParam);
switch (message) {
case WM_MOUSEMOVE:
mask |= 0x01;
break;
case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK:
sys->but |= 0x01;
mask |= 0x02;
break;
case WM_LBUTTONUP:
sys->but &= ~0x01;
mask |= 0x04;
break;
case WM_RBUTTONDOWN:
case WM_RBUTTONDBLCLK:
sys->but |= 0x02;
mask |= 0x08;
break;
case WM_RBUTTONUP:
sys->but &= ~0x02;
mask |= 0x10;
break;
case WM_MBUTTONDOWN:
case WM_MBUTTONDBLCLK:
sys->but |= 0x04;
mask |= 0x20;
break;
case WM_MBUTTONUP:
sys->but &= ~0x04;
mask |= 0x40;
break;
}
if ((mask & sys->callmask) && sys->callback) {
MCALLDATA *data = calloc(1,sizeof(MCALLDATA));
data->proc = sys->callback;
data->mask = mask & sys->callmask;
data->but = sys->but;
data->x = sys->x;
data->y = sys->y;
DOSVM_QueueEvent(-1, DOS_PRIORITY_MOUSE, MouseRelay, data);
}
}