fceux/drivers/win/keyboard.cpp

190 lines
5.2 KiB
C++
Raw Normal View History

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Xodnizel
*
* 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 "common.h"
#include <dinput.h>
#include "input.h"
#include "keyboard.h"
static HRESULT ddrval; //mbg merge 7/17/06 made static
static LPDIRECTINPUTDEVICE7 lpdid=0;
void KeyboardClose(void)
{
if(lpdid) IDirectInputDevice7_Unacquire(lpdid);
lpdid=0;
}
static unsigned char keys[256] = {0,}; // with repeat
static unsigned char keys_nr[256] = {0,}; // non-repeating
static unsigned char keys_jd[256] = {0,}; // just-down
static unsigned char keys_jd_lock[256] = {0,}; // just-down released lock
int autoHoldKey = 0, autoHoldClearKey = 0;
void KeyboardUpdateState(void)
{
unsigned char tk[256];
ddrval=IDirectInputDevice7_GetDeviceState(lpdid,256,tk);
// HACK because DirectInput is totally wacky about recognizing the PAUSE/BREAK key
if(GetAsyncKeyState(VK_PAUSE)) // normally this should have & 0x8000, but apparently this key is too special for that to work
tk[0xC5] = 0x80;
switch(ddrval)
{
case DI_OK: //memcpy(keys,tk,256);break;
{
extern int soundoptions;
#define SO_OLDUP 32
extern int soundo;
extern int32 fps_scale;
int notAlternateThrottle = !(soundoptions&SO_OLDUP) && soundo && ((NoWaiting&1)?(256*16):fps_scale) >= 64;
#define KEY_REPEAT_INITIAL_DELAY ((!notAlternateThrottle) ? (16) : (64)) // must be >= 0 and <= 255
#define KEY_REPEAT_REPEATING_DELAY (6) // must be >= 1 and <= 255
#define KEY_JUST_DOWN_DURATION (4) // must be >= 1 and <= 255
int i;
for(i = 0 ; i < 256 ; i++)
if(tk[i])
if(keys_nr[i] < 255)
keys_nr[i]++; // activate key, and count up for repeat
else
keys_nr[i] = 255 - KEY_REPEAT_REPEATING_DELAY; // oscillate for repeat
else
keys_nr[i] = 0; // deactivate key
memcpy(keys,keys_nr,256);
// key-down detection
for(i = 0 ; i < 256 ; i++)
if(!keys_nr[i])
{
keys_jd[i] = 0;
keys_jd_lock[i] = 0;
}
else if(keys_jd_lock[i])
{}
else if(keys_jd[i]
/*&& (i != 0x2A && i != 0x36 && i != 0x1D && i != 0x38)*/)
{
if(++keys_jd[i] > KEY_JUST_DOWN_DURATION)
{
keys_jd[i] = 0;
keys_jd_lock[i] = 1;
}
}
else
keys_jd[i] = 1;
// key repeat
for(i = 0 ; i < 256 ; i++)
if(keys[i] >= KEY_REPEAT_INITIAL_DELAY && !(keys[i]%KEY_REPEAT_REPEATING_DELAY))
keys[i] = 0;
}
break;
case DIERR_INPUTLOST:
case DIERR_NOTACQUIRED:
memset(keys,0,256);
IDirectInputDevice7_Acquire(lpdid);
break;
}
extern uint8 autoHoldOn, autoHoldReset;
autoHoldOn = autoHoldKey && keys[autoHoldKey] != 0;
autoHoldReset = autoHoldClearKey && keys[autoHoldClearKey] != 0;
}
unsigned char *GetKeyboard(void)
{
return(keys);
}
unsigned char *GetKeyboard_nr(void)
{
return(keys_nr);
}
unsigned char *GetKeyboard_jd(void)
{
return(keys_jd);
}
int KeyboardInitialize(void)
{
if(lpdid)
return(1);
//mbg merge 7/17/06 changed:
ddrval=IDirectInput7_CreateDeviceEx(lpDI, GUID_SysKeyboard,IID_IDirectInputDevice7, (LPVOID *)&lpdid,0);
//ddrval=IDirectInput7_CreateDeviceEx(lpDI, &GUID_SysKeyboard,&IID_IDirectInputDevice7, (LPVOID *)&lpdid,0);
if(ddrval != DI_OK)
{
FCEUD_PrintError("DirectInput: Error creating keyboard device.");
return 0;
}
ddrval=IDirectInputDevice7_SetCooperativeLevel(lpdid, hAppWnd,DISCL_FOREGROUND|DISCL_NONEXCLUSIVE);
if(ddrval != DI_OK)
{
FCEUD_PrintError("DirectInput: Error setting keyboard cooperative level.");
return 0;
}
ddrval=IDirectInputDevice7_SetDataFormat(lpdid,&c_dfDIKeyboard);
if(ddrval != DI_OK)
{
FCEUD_PrintError("DirectInput: Error setting keyboard data format.");
return 0;
}
ddrval=IDirectInputDevice7_Acquire(lpdid);
/* Not really a fatal error. */
//if(ddrval != DI_OK)
//{
// FCEUD_PrintError("DirectInput: Error acquiring keyboard.");
// return 0;
//}
return 1;
}
int KeyboardSetBackgroundAccess(int on)
{
if(!lpdid)
return(0);
ddrval=IDirectInputDevice7_Unacquire(lpdid);
if(on)
ddrval=IDirectInputDevice7_SetCooperativeLevel(lpdid, hAppWnd,DISCL_BACKGROUND|DISCL_NONEXCLUSIVE);
else
ddrval=IDirectInputDevice7_SetCooperativeLevel(lpdid, hAppWnd,DISCL_FOREGROUND|DISCL_NONEXCLUSIVE);
if(ddrval != DI_OK)
{
FCEUD_PrintError("DirectInput: Error setting keyboard cooperative level.");
return 0;
}
ddrval=IDirectInputDevice7_Acquire(lpdid);
return 1;
}