mirror of https://github.com/nirenjan/libx52.git
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
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* Saitek X52 Pro MFD & LED driver - Mouse driver
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*
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* Copyright (C) 2021 Nirenjan Krishnan (nirenjan@nirenjan.org)
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*
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* SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdbool.h>
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#include <math.h>
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#define PINELOG_MODULE X52D_MOD_MOUSE
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#include "pinelog.h"
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#include "x52d_config.h"
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#include "x52d_const.h"
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#include "x52d_mouse.h"
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// Mouse speed is the delay in microseconds between subsequent mouse reports
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#define DEFAULT_MOUSE_DELAY 70000
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#define MOUSE_DELAY_DELTA 5000
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#define MOUSE_DELAY_MIN 10000
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#define MOUSE_MULT_FACTOR 4
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#define MAX_MOUSE_MULT 5
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#define MIN_SENSITIVITY 10
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#define MAX_SENSITIVITY 500
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static const double MOUSE_CURVE_FACTORS[5] = {
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1.0, 1.2, 1.5, 1.8, 2.2
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};
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static const double MOUSE_DEADZONES[12] = {
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0.0, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5
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};
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volatile int mouse_scroll_dir = 1;
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volatile bool mouse_isometric_mode = false;
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volatile double mouse_curve_factor = MOUSE_CURVE_FACTORS[2]; // default
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volatile double mouse_deadzone = MOUSE_DEADZONES[0];
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volatile int mouse_sensitivity = 0;
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static int clamp_int(const char *description, int value, int min, int max)
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{
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if (value < min) {
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PINELOG_DEBUG(_("Clamping %s value %d to range [%d..%d]"),
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description, value, min, max);
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return min;
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}
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if (value > max) {
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PINELOG_DEBUG(_("Clamping %s value %d to range [%d..%d]"),
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description, value, min, max);
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return max;
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}
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return value;
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}
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void x52d_cfg_set_Mouse_Enabled(bool enabled)
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{
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PINELOG_DEBUG(_("Setting mouse enable to %s"),
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enabled ? _("on") : _("off"));
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x52d_mouse_thread_control(enabled);
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}
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void x52d_cfg_set_Mouse_Speed(int speed)
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{
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// DEPRECATED, calculate the sensitivity instead
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int new_delay;
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int new_mult;
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int max_base_speed = (DEFAULT_MOUSE_DELAY - MOUSE_DELAY_MIN) / MOUSE_DELAY_DELTA;
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int max_speed = max_base_speed + MAX_MOUSE_MULT * MOUSE_MULT_FACTOR;
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double sensitivity;
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if (mouse_sensitivity == 0) {
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PINELOG_WARN(_("Config option 'mouse.speed' is DEPRECATED. Please use 'mouse.sensitivity' instead"));
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}
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speed = clamp_int("mouse speed", speed, 0, max_speed);
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if (speed <= max_base_speed) {
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new_delay = DEFAULT_MOUSE_DELAY - speed * MOUSE_DELAY_DELTA;
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new_mult = MOUSE_MULT_FACTOR;
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} else {
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// speed between max_base_speed & max_speed
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new_delay = MOUSE_DELAY_MIN;
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new_mult = MOUSE_MULT_FACTOR + (speed - max_base_speed);
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}
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sensitivity = round(10000000.0 / new_delay * new_mult / (double)MOUSE_MULT_FACTOR);
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PINELOG_INFO(_("Migrating legacy mouse speed '%d' to sensitivity '%d%%'"),
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speed, (int)sensitivity);
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mouse_sensitivity = clamp_int(_("speed -> sensitivity"), (int)sensitivity,
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MIN_SENSITIVITY, MAX_SENSITIVITY);
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}
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void x52d_cfg_set_Mouse_ReverseScroll(bool enabled)
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{
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PINELOG_DEBUG(_("Setting mouse reverse scroll to %s"),
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enabled ? _("on") : _("off"));
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if (enabled) {
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mouse_scroll_dir = -1;
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} else {
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mouse_scroll_dir = 1;
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}
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}
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void x52d_config_set_Mouse_IsometricMode(bool enabled)
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{
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PINELOG_DEBUG(_("Setting mouse isometric mode to %s"),
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enabled ? _("on") : _("off"));
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mouse_isometric_mode = enabled;
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}
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void x52d_config_set_Mouse_Sensitivity(int factor)
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{
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mouse_sensitivity = clamp_int(_("sensitivity"), factor,
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MIN_SENSITIVITY, MAX_SENSITIVITY);
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PINELOG_DEBUG(_("Setting mouse sensitivity to %d%%"), mouse_sensitivity);
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}
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void x52d_config_set_Mouse_CurveFactor(int factor)
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{
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// Factor ranges from 1-5, clamp it in this range
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factor = clamp_int(_("curve factor"), factor, 1, 5);
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mouse_curve_factor = MOUSE_CURVE_FACTORS[factor-1];
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PINELOG_DEBUG(_("Setting mouse curve factor to %f"), mouse_curve_factor);
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}
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void x52d_config_set_Mouse_Deadzone(int factor)
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{
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// Factor ranges from 0-12, clamp it in this range
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factor = clamp_int(_("deadzone factor"), factor, 0, 11);
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mouse_deadzone = MOUSE_DEADZONES[factor];
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PINELOG_DEBUG(_("Setting mouse deadzone to %f"), mouse_deadzone);
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}
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