2 * DOS interrupt 33h handler
12 #include "debugtools.h"
14 DEFAULT_DEBUG_CHANNEL(int)
22 /**********************************************************************
25 * Handler for int 33h (MS MOUSE).
27 void WINAPI
INT_Int33Handler( CONTEXT86
*context
)
29 MOUSESYSTEM
*sys
= (MOUSESYSTEM
*)DOSVM_GetSystemData(0x33);
31 switch (AX_reg(context
)) {
33 TRACE("Reset mouse driver and request status\n");
34 AX_reg(context
) = 0xFFFF; /* installed */
35 BX_reg(context
) = 3; /* # of buttons */
36 sys
= calloc(1,sizeof(MOUSESYSTEM
));
37 DOSVM_SetSystemData(0x33, sys
);
40 TRACE("Return mouse position and button status\n");
41 BX_reg(context
) = sys
->but
;
42 CX_reg(context
) = sys
->x
;
43 DX_reg(context
) = sys
->y
;
46 FIXME("Position mouse cursor\n");
49 TRACE("Define mouse interrupt subroutine\n");
50 sys
->callmask
= CX_reg(context
);
51 sys
->callback
= (FARPROC16
)PTR_SEG_OFF_TO_SEGPTR(ES_reg(context
), DX_reg(context
));
54 INT_BARF(context
,0x33);
60 WORD mask
,but
,x
,y
,mx
,my
;
63 static void MouseRelay(LPDOSTASK lpDosTask
,CONTEXT86
*context
,void *mdata
)
65 MCALLDATA
*data
= (MCALLDATA
*)mdata
;
66 CONTEXT86 ctx
= *context
;
68 EAX_reg(&ctx
) = data
->mask
;
69 EBX_reg(&ctx
) = data
->but
;
70 ECX_reg(&ctx
) = data
->x
;
71 EDX_reg(&ctx
) = data
->y
;
72 ESI_reg(&ctx
) = data
->mx
;
73 EDI_reg(&ctx
) = data
->my
;
74 CS_reg(&ctx
) = SELECTOROF(data
->proc
);
75 EIP_reg(&ctx
) = OFFSETOF(data
->proc
);
77 DPMI_CallRMProc(&ctx
, NULL
, 0, 0);
80 void WINAPI
INT_Int33Message(UINT message
,WPARAM wParam
,LPARAM lParam
)
82 MOUSESYSTEM
*sys
= (MOUSESYSTEM
*)DOSVM_GetSystemData(0x33);
84 unsigned Height
, Width
, SX
=1, SY
=1;
87 if (!VGA_GetMode(&Height
,&Width
,NULL
)) {
88 /* may need to do some coordinate scaling */
92 sys
->x
= LOWORD(lParam
) * SX
;
93 sys
->y
= HIWORD(lParam
) * SY
;
99 case WM_LBUTTONDBLCLK
:
108 case WM_RBUTTONDBLCLK
:
117 case WM_MBUTTONDBLCLK
:
127 if ((mask
& sys
->callmask
) && sys
->callback
) {
128 MCALLDATA
*data
= calloc(1,sizeof(MCALLDATA
));
129 data
->proc
= sys
->callback
;
130 data
->mask
= mask
& sys
->callmask
;
131 data
->but
= sys
->but
;
134 DOSVM_QueueEvent(-1, DOS_PRIORITY_MOUSE
, MouseRelay
, data
);