157 lines
3.5 KiB
C
157 lines
3.5 KiB
C
/*
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* DOS interrupt 33h handler
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*/
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#include <stdlib.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "miscemu.h"
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#include "callback.h"
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#include "dosexe.h"
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#include "vga.h"
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#include "debugtools.h"
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DEFAULT_DEBUG_CHANNEL(int);
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static struct
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{
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DWORD x, y, but;
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FARPROC16 callback;
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WORD callmask;
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} mouse_info;
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/**********************************************************************
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* INT_Int33Handler
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*
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* Handler for int 33h (MS MOUSE).
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*/
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void WINAPI INT_Int33Handler( CONTEXT86 *context )
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{
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switch (LOWORD(context->Eax)) {
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case 0x00:
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TRACE("Reset mouse driver and request status\n");
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AX_reg(context) = 0xFFFF; /* installed */
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BX_reg(context) = 3; /* # of buttons */
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memset( &mouse_info, 0, sizeof(mouse_info) );
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break;
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case 0x01:
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FIXME("Show mouse cursor\n");
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break;
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case 0x02:
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FIXME("Hide mouse cursor\n");
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break;
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case 0x03:
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TRACE("Return mouse position and button status\n");
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BX_reg(context) = mouse_info.but;
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CX_reg(context) = mouse_info.x;
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DX_reg(context) = mouse_info.y;
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break;
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case 0x04:
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FIXME("Position mouse cursor\n");
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break;
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case 0x07:
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FIXME("Define horizontal mouse cursor range\n");
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break;
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case 0x08:
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FIXME("Define vertical mouse cursor range\n");
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break;
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case 0x09:
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FIXME("Define graphics mouse cursor\n");
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break;
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case 0x0A:
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FIXME("Define text mouse cursor\n");
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break;
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case 0x0C:
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TRACE("Define mouse interrupt subroutine\n");
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mouse_info.callmask = CX_reg(context);
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mouse_info.callback = (FARPROC16)MAKESEGPTR(context->SegEs, LOWORD(context->Edx));
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break;
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case 0x10:
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FIXME("Define screen region for update\n");
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break;
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default:
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INT_BARF(context,0x33);
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}
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}
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typedef struct {
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FARPROC16 proc;
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WORD mask,but,x,y,mx,my;
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} MCALLDATA;
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static void MouseRelay(CONTEXT86 *context,void *mdata)
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{
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MCALLDATA *data = (MCALLDATA *)mdata;
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CONTEXT86 ctx = *context;
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ctx.Eax = data->mask;
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ctx.Ebx = data->but;
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ctx.Ecx = data->x;
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ctx.Edx = data->y;
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ctx.Esi = data->mx;
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ctx.Edi = data->my;
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ctx.SegCs = SELECTOROF(data->proc);
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ctx.Eip = OFFSETOF(data->proc);
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free(data);
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DPMI_CallRMProc(&ctx, NULL, 0, 0);
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}
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void WINAPI INT_Int33Message(UINT message,WPARAM wParam,LPARAM lParam)
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{
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WORD mask = 0;
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unsigned Height, Width, SX=1, SY=1;
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if (!VGA_GetMode(&Height,&Width,NULL)) {
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/* may need to do some coordinate scaling */
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SX = 640/Width;
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if (!SX) SX=1;
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}
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mouse_info.x = LOWORD(lParam) * SX;
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mouse_info.y = HIWORD(lParam) * SY;
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switch (message) {
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case WM_MOUSEMOVE:
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mask |= 0x01;
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break;
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case WM_LBUTTONDOWN:
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case WM_LBUTTONDBLCLK:
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mouse_info.but |= 0x01;
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mask |= 0x02;
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break;
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case WM_LBUTTONUP:
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mouse_info.but &= ~0x01;
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mask |= 0x04;
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break;
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case WM_RBUTTONDOWN:
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case WM_RBUTTONDBLCLK:
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mouse_info.but |= 0x02;
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mask |= 0x08;
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break;
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case WM_RBUTTONUP:
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mouse_info.but &= ~0x02;
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mask |= 0x10;
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break;
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case WM_MBUTTONDOWN:
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case WM_MBUTTONDBLCLK:
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mouse_info.but |= 0x04;
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mask |= 0x20;
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break;
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case WM_MBUTTONUP:
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mouse_info.but &= ~0x04;
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mask |= 0x40;
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break;
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}
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if ((mask & mouse_info.callmask) && mouse_info.callback) {
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MCALLDATA *data = calloc(1,sizeof(MCALLDATA));
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data->proc = mouse_info.callback;
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data->mask = mask & mouse_info.callmask;
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data->but = mouse_info.but;
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data->x = mouse_info.x;
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data->y = mouse_info.y;
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Dosvm.QueueEvent(-1, DOS_PRIORITY_MOUSE, MouseRelay, data);
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}
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}
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