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VARCem/src/win/win_mouse.cpp
2018-05-06 22:51:54 -04:00

125 lines
3.3 KiB
C++

/*
* VARCem Virtual ARchaeological Computer EMulator.
* An emulator of (mostly) x86-based PC systems and devices,
* using the ISA,EISA,VLB,MCA and PCI system buses, roughly
* spanning the era between 1981 and 1995.
*
* This file is part of the VARCem Project.
*
* Mouse interface to host device.
*
* Version: @(#)win_mouse.cpp 1.0.6 2018/05/06
*
* Authors: Fred N. van Kempen, <decwiz@yahoo.com>
* Miran Grca, <mgrca8@gmail.com>
* Sarah Walker, <tommowalker@tommowalker.co.uk>
*
* Copyright 2017,2018 Fred N. van Kempen.
* Copyright 2016-2018 Miran Grca.
* Copyright 2008-2018 Sarah Walker.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the:
*
* Free Software Foundation, Inc.
* 59 Temple Place - Suite 330
* Boston, MA 02111-1307
* USA.
*/
#include <windows.h>
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
#include <stdio.h>
#include <stdint.h>
#include "../emu.h"
#include "../plat.h"
#include "../devices/input/mouse.h"
#include "win.h"
int mouse_capture;
static LPDIRECTINPUT8 lpdi;
static LPDIRECTINPUTDEVICE8 lpdi_mouse = NULL;
static DIMOUSESTATE mousestate;
void
win_mouse_init(void)
{
atexit(win_mouse_close);
mouse_capture = 0;
if (FAILED(DirectInput8Create(hInstance, DIRECTINPUT_VERSION,
IID_IDirectInput8A, (void **) &lpdi, NULL)))
fatal("plat_mouse_init: DirectInputCreate failed\n");
if (FAILED(lpdi->CreateDevice(GUID_SysMouse, &lpdi_mouse, NULL)))
fatal("plat_mouse_init: CreateDevice failed\n");
if (FAILED(lpdi_mouse->SetCooperativeLevel(hwndMain,
DISCL_FOREGROUND | (vid_fullscreen ? DISCL_EXCLUSIVE : DISCL_NONEXCLUSIVE))))
fatal("plat_mouse_init: SetCooperativeLevel failed\n");
if (FAILED(lpdi_mouse->SetDataFormat(&c_dfDIMouse)))
fatal("plat_mouse_init: SetDataFormat failed\n");
}
void
win_mouse_close(void)
{
if (lpdi_mouse != NULL) {
lpdi_mouse->Release();
lpdi_mouse = NULL;
}
}
void
mouse_poll(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 || vid_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;
}
}
}