libx52/daemon/x52d_mouse.c

63 lines
1.8 KiB
C

/*
* Saitek X52 Pro MFD & LED driver - Mouse driver
*
* Copyright (C) 2021 Nirenjan Krishnan (nirenjan@nirenjan.org)
*
* SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
*/
#include "config.h"
#include <stdio.h>
#include <stdbool.h>
#include "pinelog.h"
#include "x52d_config.h"
#include "x52d_const.h"
#include "x52d_mouse.h"
// Mouse speed is the delay in microseconds between subsequent mouse reports
#define DEFAULT_MOUSE_DELAY 70000
#define MOUSE_DELAY_DELTA 5000
#define MOUSE_DELAY_MIN 10000
#define MAX_MOUSE_MULT 5
volatile bool mouse_enabled = false;
volatile int mouse_delay = DEFAULT_MOUSE_DELAY;
volatile int mouse_mult = MOUSE_MULT_FACTOR;
void x52d_cfg_set_Mouse_Enabled(bool enabled)
{
PINELOG_DEBUG(_("Setting mouse enable to %s"),
enabled ? _("on") : _("off"));
#if defined HAVE_EVDEV
x52d_mouse_evdev_thread_control(enabled);
#endif
}
void x52d_cfg_set_Mouse_Speed(int speed)
{
int new_delay;
int new_mult;
int max_base_speed = (DEFAULT_MOUSE_DELAY - MOUSE_DELAY_MIN) / MOUSE_DELAY_DELTA;
int max_speed = max_base_speed + MAX_MOUSE_MULT * MOUSE_MULT_FACTOR;
if (speed < 0 || speed > max_speed) {
PINELOG_INFO(_("Ignoring mouse speed %d outside supported range (0-%d)"),
speed, max_speed);
return;
} else if (speed <= max_base_speed) {
new_delay = DEFAULT_MOUSE_DELAY - speed * MOUSE_DELAY_DELTA;
new_mult = MOUSE_MULT_FACTOR;
} else {
// speed between max_base_speed & max_speed
new_delay = MOUSE_DELAY_MIN;
new_mult = MOUSE_MULT_FACTOR + (speed - max_base_speed);
}
PINELOG_DEBUG(_("Setting mouse speed to %d (delay %d ms, multiplier %f)"),
speed, new_delay / 1000, new_mult / (double)MOUSE_MULT_FACTOR);
mouse_delay = new_delay;
mouse_mult = new_mult;
}