Files
86Box/src/win/win_mouse.cc

105 lines
2.4 KiB
C++

/*
* 86Box A hypervisor and IBM PC system emulator that specializes in
* running old operating systems and software designed for IBM
* PC systems and compatibles from 1981 through fairly recent
* system designs based on the PCI bus.
*
* This file is part of the 86Box distribution.
*
* Mouse interface to host device.
*
* Version: @(#)win_mouse.cc 1.0.5 2017/10/22
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
*
* Copyright 2008-2017 Sarah Walker.
* Copyright 2016,2017 Miran Grca.
*/
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#include <stdio.h>
#include <stdint.h>
#include "../86Box.h"
#include "../mouse.h"
#include "../plat.h"
#include "../plat_mouse.h"
#include "win.h"
int mouse_capture;
static LPDIRECTINPUT8 lpdi;
static LPDIRECTINPUTDEVICE8 lpdi_mouse = NULL;
static DIMOUSESTATE mousestate;
void
mouse_init(void)
{
atexit(mouse_close);
mouse_capture = 0;
if (FAILED(DirectInput8Create(hinstance, DIRECTINPUT_VERSION,
IID_IDirectInput8A, (void **) &lpdi, NULL)))
fatal("mouse_init : DirectInputCreate failed\n");
if (FAILED(lpdi->CreateDevice(GUID_SysMouse, &lpdi_mouse, NULL)))
fatal("mouse_init : CreateDevice failed\n");
if (FAILED(lpdi_mouse->SetCooperativeLevel(hwndMain,
DISCL_FOREGROUND | (video_fullscreen ? DISCL_EXCLUSIVE : DISCL_NONEXCLUSIVE))))
fatal("mouse_init : SetCooperativeLevel failed\n");
if (FAILED(lpdi_mouse->SetDataFormat(&c_dfDIMouse)))
fatal("mouse_init : SetDataFormat failed\n");
}
void
mouse_close(void)
{
if (lpdi_mouse) {
lpdi_mouse->Release();
lpdi_mouse = NULL;
}
}
void
mouse_poll_host(void)
{
static int buttons = 0;
static int x = 0, y = 0, z = 0;
int b;
if (FAILED(lpdi_mouse->GetDeviceState(sizeof(DIMOUSESTATE),
(LPVOID)&mousestate))) {
lpdi_mouse->Acquire();
lpdi_mouse->GetDeviceState(sizeof(DIMOUSESTATE), (LPVOID)&mousestate);
}
if (mouse_capture || video_fullscreen) {
if (x != mousestate.lX || y != mousestate.lY || z != mousestate.lZ) {
mouse_x += mousestate.lX;
mouse_y += mousestate.lY;
mouse_z += mousestate.lZ/120;
x = mousestate.lX;
y = mousestate.lY;
z = mousestate.lZ/120;
}
b = 0;
if (mousestate.rgbButtons[0] & 0x80) b |= 1;
if (mousestate.rgbButtons[1] & 0x80) b |= 2;
if (mousestate.rgbButtons[2] & 0x80) b |= 4;
if (buttons != b) {
mouse_buttons = b;
buttons = b;
}
}
}