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363 lines
9.2 KiB
C
363 lines
9.2 KiB
C
/*
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* DOS interrupt 33h handler
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*
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* Copyright 1999 Ove Kåven
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.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 "dosexe.h"
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#include "vga.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(int);
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static struct
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{
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WORD x, y, but;
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WORD lbcount, rbcount, rlastx, rlasty, llastx, llasty;
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FARPROC16 callback;
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WORD callmask;
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WORD VMPratio, HMPratio, oldx, oldy;
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WORD hide_count;
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} mouse_info;
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/**********************************************************************
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* INT33_ResetMouse
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*
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* Handler for:
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* - subfunction 0x00 (reset mouse)
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* - subfunction 0x21 (software reset)
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*/
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static void INT33_ResetMouse( CONTEXT86 *context )
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{
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memset( &mouse_info, 0, sizeof(mouse_info) );
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/* Set the default mickey/pixel ratio */
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mouse_info.HMPratio = 8;
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mouse_info.VMPratio = 16;
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/* Hide the mouse cursor */
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mouse_info.hide_count = 1;
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VGA_ShowMouse( FALSE );
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if (context)
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{
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SET_AX( context, 0xFFFF ); /* driver installed */
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SET_BX( context, 3 ); /* number of buttons */
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}
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}
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/**********************************************************************
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* DOSVM_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 DOSVM_Int33Handler( CONTEXT86 *context )
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{
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switch (AX_reg(context))
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{
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case 0x0000:
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TRACE("Reset mouse driver and request status\n");
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INT33_ResetMouse( context );
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break;
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case 0x0001:
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TRACE("Show mouse cursor, old hide count: %d\n",
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mouse_info.hide_count);
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if (mouse_info.hide_count >= 1)
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mouse_info.hide_count--;
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if (!mouse_info.hide_count)
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VGA_ShowMouse( TRUE );
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break;
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case 0x0002:
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TRACE("Hide mouse cursor, old hide count: %d\n",
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mouse_info.hide_count);
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if(!mouse_info.hide_count)
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VGA_ShowMouse( FALSE );
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mouse_info.hide_count++;
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break;
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case 0x0003:
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TRACE("Return mouse position and button status: (%d,%d) and %d\n",
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mouse_info.x, mouse_info.y, mouse_info.but);
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SET_BX( context, mouse_info.but );
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SET_CX( context, mouse_info.x );
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SET_DX( context, mouse_info.y );
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break;
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case 0x0004:
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FIXME("Position mouse cursor\n");
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break;
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case 0x0005:
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TRACE("Return Mouse button press Information for %s mouse button\n",
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BX_reg(context) ? "right" : "left");
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if (BX_reg(context))
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{
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SET_BX( context, mouse_info.rbcount );
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mouse_info.rbcount = 0;
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SET_CX( context, mouse_info.rlastx );
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SET_DX( context, mouse_info.rlasty );
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}
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else
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{
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SET_BX( context, mouse_info.lbcount );
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mouse_info.lbcount = 0;
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SET_CX( context, mouse_info.llastx );
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SET_DX( context, mouse_info.llasty );
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}
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SET_AX( context, mouse_info.but );
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break;
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case 0x0007:
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FIXME("Define horizontal mouse cursor range %d..%d\n",
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CX_reg(context), DX_reg(context));
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break;
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case 0x0008:
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FIXME("Define vertical mouse cursor range %d..%d\n",
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CX_reg(context), DX_reg(context));
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break;
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case 0x0009:
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FIXME("Define graphics mouse cursor\n");
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break;
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case 0x000A:
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FIXME("Define text mouse cursor\n");
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break;
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case 0x000B:
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TRACE("Read Mouse motion counters\n");
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{
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int dx = ((int)mouse_info.x - (int)mouse_info.oldx)
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* (mouse_info.HMPratio / 8);
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int dy = ((int)mouse_info.y - (int)mouse_info.oldy)
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* (mouse_info.VMPratio / 8);
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SET_CX( context, (WORD)dx );
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SET_DX( context, (WORD)dy );
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mouse_info.oldx = mouse_info.x;
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mouse_info.oldy = mouse_info.y;
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}
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break;
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case 0x000C:
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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,
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DX_reg(context));
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break;
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case 0x000F:
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TRACE("Set mickey/pixel ratio\n");
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mouse_info.HMPratio = CX_reg(context);
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mouse_info.VMPratio = DX_reg(context);
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break;
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case 0x0010:
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FIXME("Define screen region for update\n");
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break;
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case 0x0021:
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TRACE("Software reset\n");
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INT33_ResetMouse( context );
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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 = mdata;
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CONTEXT86 ctx = *context;
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if (!ISV86(&ctx))
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{
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ctx.EFlags |= V86_FLAG;
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ctx.SegSs = 0; /* Allocate new stack. */
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}
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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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HeapFree(GetProcessHeap(), 0, data);
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DPMI_CallRMProc(&ctx, NULL, 0, 0);
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}
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static void QueueMouseRelay(DWORD mx, DWORD my, WORD mask)
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{
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mouse_info.x = mx;
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mouse_info.y = my;
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/* Left button down */
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if(mask & 0x02) {
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mouse_info.but |= 0x01;
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mouse_info.llastx = mx;
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mouse_info.llasty = my;
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mouse_info.lbcount++;
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}
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/* Left button up */
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if(mask & 0x04) {
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mouse_info.but &= ~0x01;
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}
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/* Right button down */
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if(mask & 0x08) {
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mouse_info.but |= 0x02;
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mouse_info.rlastx = mx;
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mouse_info.rlasty = my;
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mouse_info.rbcount++;
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}
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/* Right button up */
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if(mask & 0x10) {
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mouse_info.but &= ~0x02;
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}
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/* Middle button down */
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if(mask & 0x20) {
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mouse_info.but |= 0x04;
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}
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/* Middle button up */
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if(mask & 0x40) {
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mouse_info.but &= ~0x04;
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}
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if ((mask & mouse_info.callmask) && mouse_info.callback) {
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MCALLDATA *data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 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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/*
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* Fake mickeys.
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*
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* FIXME: This is not entirely correct. If mouse if moved to the edge
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* of the screen, mouse will stop moving and mickeys won't
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* be updated even though they should be.
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*/
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data->mx = mouse_info.x * (mouse_info.HMPratio / 8);
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data->my = mouse_info.y * (mouse_info.VMPratio / 8);
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DOSVM_QueueEvent(-1, DOS_PRIORITY_MOUSE, MouseRelay, data);
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}
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}
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void DOSVM_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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if (Width)
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SX = 640/Width;
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if (!SX) SX=1;
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}
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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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mask |= 0x02;
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break;
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case WM_LBUTTONUP:
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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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mask |= 0x08;
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break;
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case WM_RBUTTONUP:
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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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mask |= 0x20;
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break;
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case WM_MBUTTONUP:
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mask |= 0x40;
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break;
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}
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QueueMouseRelay(LOWORD(lParam) * SX,
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HIWORD(lParam) * SY,
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mask);
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}
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void DOSVM_Int33Console(MOUSE_EVENT_RECORD *record)
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{
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unsigned Height, Width;
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WORD mask = 0;
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BOOL newLeftButton = record->dwButtonState & FROM_LEFT_1ST_BUTTON_PRESSED;
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BOOL oldLeftButton = mouse_info.but & 0x01;
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BOOL newRightButton = record->dwButtonState & RIGHTMOST_BUTTON_PRESSED;
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BOOL oldRightButton = mouse_info.but & 0x02;
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BOOL newMiddleButton = record->dwButtonState & FROM_LEFT_2ND_BUTTON_PRESSED;
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BOOL oldMiddleButton = mouse_info.but & 0x04;
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if(newLeftButton && !oldLeftButton)
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mask |= 0x02;
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else if(!newLeftButton && oldLeftButton)
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mask |= 0x04;
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if(newRightButton && !oldRightButton)
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mask |= 0x08;
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else if(!newRightButton && oldRightButton)
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mask |= 0x10;
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if(newMiddleButton && !oldMiddleButton)
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mask |= 0x20;
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else if(!newMiddleButton && oldMiddleButton)
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mask |= 0x40;
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if (VGA_GetAlphaMode(&Width, &Height))
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QueueMouseRelay( 640 / Width * record->dwMousePosition.X,
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200 / Height * record->dwMousePosition.Y,
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mask );
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}
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