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Sweden-Number/dlls/krnl386.exe16/int33.c

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/*
* DOS interrupt 33h handler
*
* Copyright 1999 Ove Kåven
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "dosexe.h"
#include "vga.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(int);
static struct
{
WORD x, y, but;
WORD lbcount, rbcount, rlastx, rlasty, llastx, llasty;
FARPROC16 callback;
WORD callmask;
WORD VMPratio, HMPratio, oldx, oldy;
WORD hide_count;
} mouse_info;
/**********************************************************************
* INT33_ResetMouse
*
* Handler for:
* - subfunction 0x00 (reset mouse)
* - subfunction 0x21 (software reset)
*/
static void INT33_ResetMouse( CONTEXT *context )
{
memset( &mouse_info, 0, sizeof(mouse_info) );
/* Set the default mickey/pixel ratio */
mouse_info.HMPratio = 8;
mouse_info.VMPratio = 16;
/* Hide the mouse cursor */
mouse_info.hide_count = 1;
VGA_ShowMouse( FALSE );
if (context)
{
SET_AX( context, 0xFFFF ); /* driver installed */
SET_BX( context, 3 ); /* number of buttons */
}
}
/**********************************************************************
* DOSVM_Int33Handler
*
* Handler for int 33h (MS MOUSE).
*/
void WINAPI DOSVM_Int33Handler( CONTEXT *context )
{
switch (AX_reg(context))
{
case 0x0000:
TRACE("Reset mouse driver and request status\n");
INT33_ResetMouse( context );
break;
case 0x0001:
TRACE("Show mouse cursor, old hide count: %d\n",
mouse_info.hide_count);
if (mouse_info.hide_count >= 1)
mouse_info.hide_count--;
if (!mouse_info.hide_count)
VGA_ShowMouse( TRUE );
break;
case 0x0002:
TRACE("Hide mouse cursor, old hide count: %d\n",
mouse_info.hide_count);
if(!mouse_info.hide_count)
VGA_ShowMouse( FALSE );
mouse_info.hide_count++;
break;
case 0x0003:
TRACE("Return mouse position and button status: (%d,%d) and %d\n",
mouse_info.x, mouse_info.y, mouse_info.but);
SET_BX( context, mouse_info.but );
SET_CX( context, mouse_info.x );
SET_DX( context, mouse_info.y );
break;
case 0x0004:
FIXME("Position mouse cursor\n");
break;
case 0x0005:
TRACE("Return Mouse button press Information for %s mouse button\n",
BX_reg(context) ? "right" : "left");
if (BX_reg(context))
{
SET_BX( context, mouse_info.rbcount );
mouse_info.rbcount = 0;
SET_CX( context, mouse_info.rlastx );
SET_DX( context, mouse_info.rlasty );
}
else
{
SET_BX( context, mouse_info.lbcount );
mouse_info.lbcount = 0;
SET_CX( context, mouse_info.llastx );
SET_DX( context, mouse_info.llasty );
}
SET_AX( context, mouse_info.but );
break;
case 0x0007:
FIXME("Define horizontal mouse cursor range %d..%d\n",
CX_reg(context), DX_reg(context));
break;
case 0x0008:
FIXME("Define vertical mouse cursor range %d..%d\n",
CX_reg(context), DX_reg(context));
break;
case 0x0009:
FIXME("Define graphics mouse cursor\n");
break;
case 0x000A:
FIXME("Define text mouse cursor\n");
break;
case 0x000B:
TRACE("Read Mouse motion counters\n");
{
int dx = ((int)mouse_info.x - (int)mouse_info.oldx)
* (mouse_info.HMPratio / 8);
int dy = ((int)mouse_info.y - (int)mouse_info.oldy)
* (mouse_info.VMPratio / 8);
SET_CX( context, (WORD)dx );
SET_DX( context, (WORD)dy );
mouse_info.oldx = mouse_info.x;
mouse_info.oldy = mouse_info.y;
}
break;
case 0x000C:
TRACE("Define mouse interrupt subroutine\n");
mouse_info.callmask = CX_reg(context);
mouse_info.callback = (FARPROC16)MAKESEGPTR(context->SegEs,
DX_reg(context));
break;
case 0x000F:
TRACE("Set mickey/pixel ratio\n");
mouse_info.HMPratio = CX_reg(context);
mouse_info.VMPratio = DX_reg(context);
break;
case 0x0010:
FIXME("Define screen region for update\n");
break;
case 0x0015:
TRACE("Get mouse driver state and memory requirements\n");
SET_BX(context, sizeof(mouse_info));
break;
case 0x0021:
TRACE("Software reset\n");
INT33_ResetMouse( context );
break;
default:
INT_BARF(context,0x33);
}
}
typedef struct {
FARPROC16 proc;
WORD mask,but,x,y,mx,my;
} MCALLDATA;
static void MouseRelay(CONTEXT *context,void *mdata)
{
MCALLDATA *data = mdata;
CONTEXT ctx = *context;
if (!ISV86(&ctx))
{
ctx.EFlags |= V86_FLAG;
ctx.SegSs = 0; /* Allocate new stack. */
}
ctx.Eax = data->mask;
ctx.Ebx = data->but;
ctx.Ecx = data->x;
ctx.Edx = data->y;
ctx.Esi = data->mx;
ctx.Edi = data->my;
ctx.SegCs = SELECTOROF(data->proc);
ctx.Eip = OFFSETOF(data->proc);
HeapFree(GetProcessHeap(), 0, data);
DPMI_CallRMProc(&ctx, NULL, 0, 0);
}
static void QueueMouseRelay(DWORD mx, DWORD my, WORD mask)
{
mouse_info.x = mx;
mouse_info.y = my;
/* Left button down */
if(mask & 0x02) {
mouse_info.but |= 0x01;
mouse_info.llastx = mx;
mouse_info.llasty = my;
mouse_info.lbcount++;
}
/* Left button up */
if(mask & 0x04) {
mouse_info.but &= ~0x01;
}
/* Right button down */
if(mask & 0x08) {
mouse_info.but |= 0x02;
mouse_info.rlastx = mx;
mouse_info.rlasty = my;
mouse_info.rbcount++;
}
/* Right button up */
if(mask & 0x10) {
mouse_info.but &= ~0x02;
}
/* Middle button down */
if(mask & 0x20) {
mouse_info.but |= 0x04;
}
/* Middle button up */
if(mask & 0x40) {
mouse_info.but &= ~0x04;
}
if ((mask & mouse_info.callmask) && mouse_info.callback) {
MCALLDATA *data = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(MCALLDATA));
data->proc = mouse_info.callback;
data->mask = mask & mouse_info.callmask;
data->but = mouse_info.but;
data->x = mouse_info.x;
data->y = mouse_info.y;
/*
* Fake mickeys.
*
* FIXME: This is not entirely correct. If mouse if moved to the edge
* of the screen, mouse will stop moving and mickeys won't
* be updated even though they should be.
*/
data->mx = mouse_info.x * (mouse_info.HMPratio / 8);
data->my = mouse_info.y * (mouse_info.VMPratio / 8);
DOSVM_QueueEvent(-1, DOS_PRIORITY_MOUSE, MouseRelay, data);
}
}
void DOSVM_Int33Message(UINT message,WPARAM wParam,LPARAM lParam)
{
WORD mask = 0;
unsigned Height, Width, SX=1, SY=1;
if (VGA_GetMode(&Height, &Width, NULL)) {
/* may need to do some coordinate scaling */
if (Width)
SX = 640/Width;
if (!SX) SX=1;
}
switch (message) {
case WM_MOUSEMOVE:
mask |= 0x01;
break;
case WM_LBUTTONDOWN:
case WM_LBUTTONDBLCLK:
mask |= 0x02;
break;
case WM_LBUTTONUP:
mask |= 0x04;
break;
case WM_RBUTTONDOWN:
case WM_RBUTTONDBLCLK:
mask |= 0x08;
break;
case WM_RBUTTONUP:
mask |= 0x10;
break;
case WM_MBUTTONDOWN:
case WM_MBUTTONDBLCLK:
mask |= 0x20;
break;
case WM_MBUTTONUP:
mask |= 0x40;
break;
}
QueueMouseRelay(LOWORD(lParam) * SX,
HIWORD(lParam) * SY,
mask);
}
void DOSVM_Int33Console(MOUSE_EVENT_RECORD *record)
{
unsigned Height, Width;
WORD mask = 0;
BOOL newLeftButton = record->dwButtonState & FROM_LEFT_1ST_BUTTON_PRESSED;
BOOL oldLeftButton = mouse_info.but & 0x01;
BOOL newRightButton = record->dwButtonState & RIGHTMOST_BUTTON_PRESSED;
BOOL oldRightButton = mouse_info.but & 0x02;
BOOL newMiddleButton = record->dwButtonState & FROM_LEFT_2ND_BUTTON_PRESSED;
BOOL oldMiddleButton = mouse_info.but & 0x04;
if(newLeftButton && !oldLeftButton)
mask |= 0x02;
else if(!newLeftButton && oldLeftButton)
mask |= 0x04;
if(newRightButton && !oldRightButton)
mask |= 0x08;
else if(!newRightButton && oldRightButton)
mask |= 0x10;
if(newMiddleButton && !oldMiddleButton)
mask |= 0x20;
else if(!newMiddleButton && oldMiddleButton)
mask |= 0x40;
if (VGA_GetAlphaMode(&Width, &Height))
QueueMouseRelay( 640 / Width * record->dwMousePosition.X,
200 / Height * record->dwMousePosition.Y,
mask );
}
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