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/*
* mousedrv.m - MacVICE mouse driver
*
* Written by
* Christian Vogelgsang <chris@vogelgsang.org>
*
* This file is part of VICE, the Versatile Commodore Emulator.
* See README for copyright notice.
*
* 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 "cmdline.h"
#include "mousedrv.h"
#include "resources.h"
#include "translate.h"
#include "vicemachine.h"
// mouse.c
extern int _mouse_enabled;
static BOOL firstMove;
static int pointerX;
static int pointerY;
static int emuX;
static int emuY;
static int scaleX;
static int scaleY;
static int set_scale_x(int val, void *param)
{
scaleX = val;
}
static int set_scale_y(int val, void *param)
{
scaleY = val;
}
static resource_int_t resources_int[] =
{
{ "MouseScaleX", 4, RES_EVENT_NO, NULL,
&scaleX, set_scale_x, NULL },
{ "MouseScaleY", 4, RES_EVENT_NO, NULL,
&scaleY, set_scale_y, NULL },
{ NULL }
};
int mousedrv_resources_init(void)
{
return resources_register_int(resources_int);
}
static const cmdline_option_t cmdline_options[] = {
{ "-mousescalex", SET_RESOURCE, 1,
NULL, NULL, "MouseScaleX", NULL,
USE_PARAM_STRING, USE_DESCRIPTION_STRING,
IDCLS_UNUSED, IDCLS_UNUSED,
"<1-8>", N_("Set scaling factor for mouse movement along X") },
{ "-mousescaley", SET_RESOURCE, 1,
NULL, NULL, "MouseScaleY", NULL,
USE_PARAM_STRING, USE_DESCRIPTION_STRING,
IDCLS_UNUSED, IDCLS_UNUSED,
"<1-8>", N_("Set scaling factor for mouse movement along Y") },
{ NULL }
};
int mousedrv_cmdline_options_init(void)
{
return cmdline_register_options(cmdline_options);
}
void mousedrv_init(void)
{
}
void mousedrv_mouse_changed(void)
{
[[theVICEMachine machineNotifier] postToggleMouseNotification:_mouse_enabled];
if(_mouse_enabled) {
firstMove = YES;
}
}
#define MAX_DELTA 16
// the HW polls the position
BYTE mousedrv_get_x(void)
{
int delta = pointerX - emuX;
if (delta > MAX_DELTA) {
delta = MAX_DELTA;
}
else if (delta < -MAX_DELTA) {
delta = -MAX_DELTA;
}
emuX += delta;
return (BYTE)((emuX & 63) << 1) & 0x7e;
}
BYTE mousedrv_get_y(void)
{
int delta = pointerY - emuY;
if (delta > MAX_DELTA) {
delta = MAX_DELTA;
}
else if (delta < -MAX_DELTA) {
delta = -MAX_DELTA;
}
emuY += delta;
return (BYTE)((emuY & 63) << 1) & 0x7e;
}
void mouse_move(int x, int y)
{
pointerX = x * scaleX;
pointerY = y * scaleY;
if(firstMove) {
firstMove = NO;
emuX = x * scaleX;
emuY = y * scaleY;
}
}
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