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qmk_firmware/tmk_core/common/mousekey.c

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/*
* Copyright 2011 Jun Wako <wakojun@gmail.com>
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <stdint.h>
#include "keycode.h"
#include "host.h"
#include "timer.h"
#include "print.h"
#include "debug.h"
#include "mousekey.h"
inline int8_t times_inv_sqrt2(int8_t x) {
// 181/256 is pretty close to 1/sqrt(2)
// 0.70703125 0.707106781
// 1 too small for x=99 and x=198
// This ends up being a mult and discard lower 8 bits
return (x * 181) >> 8;
}
static report_mouse_t mouse_report = {0};
static void mousekey_debug(void);
static uint8_t mousekey_accel = 0;
static uint8_t mousekey_repeat = 0;
static uint8_t mousekey_wheel_repeat = 0;
#ifndef MK_3_SPEED
static uint16_t last_timer_c = 0;
static uint16_t last_timer_w = 0;
/*
* Mouse keys acceleration algorithm
* http://en.wikipedia.org/wiki/Mouse_keys
*
* speed = delta * max_speed * (repeat / time_to_max)**((1000+curve)/1000)
*/
/* milliseconds between the initial key press and first repeated motion event (0-2550) */
uint8_t mk_delay = MOUSEKEY_DELAY / 10;
/* milliseconds between repeated motion events (0-255) */
uint8_t mk_interval = MOUSEKEY_INTERVAL;
/* steady speed (in action_delta units) applied each event (0-255) */
uint8_t mk_max_speed = MOUSEKEY_MAX_SPEED;
/* number of events (count) accelerating to steady speed (0-255) */
uint8_t mk_time_to_max = MOUSEKEY_TIME_TO_MAX;
/* ramp used to reach maximum pointer speed (NOT SUPPORTED) */
// int8_t mk_curve = 0;
/* wheel params */
/* milliseconds between the initial key press and first repeated motion event (0-2550) */
uint8_t mk_wheel_delay = MOUSEKEY_WHEEL_DELAY / 10;
/* milliseconds between repeated motion events (0-255) */
uint8_t mk_wheel_interval = MOUSEKEY_WHEEL_INTERVAL;
uint8_t mk_wheel_max_speed = MOUSEKEY_WHEEL_MAX_SPEED;
uint8_t mk_wheel_time_to_max = MOUSEKEY_WHEEL_TIME_TO_MAX;
# ifndef MK_COMBINED
static uint8_t move_unit(void) {
uint16_t unit;
if (mousekey_accel & (1 << 0)) {
unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed) / 4;
} else if (mousekey_accel & (1 << 1)) {
unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed) / 2;
} else if (mousekey_accel & (1 << 2)) {
unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed);
} else if (mousekey_repeat == 0) {
unit = MOUSEKEY_MOVE_DELTA;
} else if (mousekey_repeat >= mk_time_to_max) {
unit = MOUSEKEY_MOVE_DELTA * mk_max_speed;
} else {
unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed * mousekey_repeat) / mk_time_to_max;
}
return (unit > MOUSEKEY_MOVE_MAX ? MOUSEKEY_MOVE_MAX : (unit == 0 ? 1 : unit));
}
static uint8_t wheel_unit(void) {
uint16_t unit;
if (mousekey_accel & (1 << 0)) {
unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed) / 4;
} else if (mousekey_accel & (1 << 1)) {
unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed) / 2;
} else if (mousekey_accel & (1 << 2)) {
unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed);
} else if (mousekey_wheel_repeat == 0) {
unit = MOUSEKEY_WHEEL_DELTA;
} else if (mousekey_wheel_repeat >= mk_wheel_time_to_max) {
unit = MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed;
} else {
unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed * mousekey_wheel_repeat) / mk_wheel_time_to_max;
}
return (unit > MOUSEKEY_WHEEL_MAX ? MOUSEKEY_WHEEL_MAX : (unit == 0 ? 1 : unit));
}
# else /* #ifndef MK_COMBINED */
static uint8_t move_unit(void) {
uint16_t unit;
if (mousekey_accel & (1 << 0)) {
unit = 1;
} else if (mousekey_accel & (1 << 1)) {
unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed) / 2;
} else if (mousekey_accel & (1 << 2)) {
unit = MOUSEKEY_MOVE_MAX;
} else if (mousekey_repeat == 0) {
unit = MOUSEKEY_MOVE_DELTA;
} else if (mousekey_repeat >= mk_time_to_max) {
unit = MOUSEKEY_MOVE_DELTA * mk_max_speed;
} else {
unit = (MOUSEKEY_MOVE_DELTA * mk_max_speed * mousekey_repeat) / mk_time_to_max;
}
return (unit > MOUSEKEY_MOVE_MAX ? MOUSEKEY_MOVE_MAX : (unit == 0 ? 1 : unit));
}
static uint8_t wheel_unit(void) {
uint16_t unit;
if (mousekey_accel & (1 << 0)) {
unit = 1;
} else if (mousekey_accel & (1 << 1)) {
unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed) / 2;
} else if (mousekey_accel & (1 << 2)) {
unit = MOUSEKEY_WHEEL_MAX;
} else if (mousekey_repeat == 0) {
unit = MOUSEKEY_WHEEL_DELTA;
} else if (mousekey_repeat >= mk_wheel_time_to_max) {
unit = MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed;
} else {
unit = (MOUSEKEY_WHEEL_DELTA * mk_wheel_max_speed * mousekey_repeat) / mk_wheel_time_to_max;
}
return (unit > MOUSEKEY_WHEEL_MAX ? MOUSEKEY_WHEEL_MAX : (unit == 0 ? 1 : unit));
}
# endif /* #ifndef MK_COMBINED */
void mousekey_task(void) {
// report cursor and scroll movement independently
report_mouse_t const tmpmr = mouse_report;
mouse_report.x = 0;
mouse_report.y = 0;
mouse_report.v = 0;
mouse_report.h = 0;
if ((tmpmr.x || tmpmr.y) && timer_elapsed(last_timer_c) > (mousekey_repeat ? mk_interval : mk_delay * 10)) {
if (mousekey_repeat != UINT8_MAX) mousekey_repeat++;
if (tmpmr.x != 0) mouse_report.x = move_unit() * ((tmpmr.x > 0) ? 1 : -1);
if (tmpmr.y != 0) mouse_report.y = move_unit() * ((tmpmr.y > 0) ? 1 : -1);
/* diagonal move [1/sqrt(2)] */
if (mouse_report.x && mouse_report.y) {
mouse_report.x = times_inv_sqrt2(mouse_report.x);
if (mouse_report.x == 0) {
mouse_report.x = 1;
}
mouse_report.y = times_inv_sqrt2(mouse_report.y);
if (mouse_report.y == 0) {
mouse_report.y = 1;
}
}
}
if ((tmpmr.v || tmpmr.h) && timer_elapsed(last_timer_w) > (mousekey_wheel_repeat ? mk_wheel_interval : mk_wheel_delay * 10)) {
if (mousekey_wheel_repeat != UINT8_MAX) mousekey_wheel_repeat++;
if (tmpmr.v != 0) mouse_report.v = wheel_unit() * ((tmpmr.v > 0) ? 1 : -1);
if (tmpmr.h != 0) mouse_report.h = wheel_unit() * ((tmpmr.h > 0) ? 1 : -1);
/* diagonal move [1/sqrt(2)] */
if (mouse_report.v && mouse_report.h) {
mouse_report.v = times_inv_sqrt2(mouse_report.v);
if (mouse_report.v == 0) {
mouse_report.v = 1;
}
mouse_report.h = times_inv_sqrt2(mouse_report.h);
if (mouse_report.h == 0) {
mouse_report.h = 1;
}
}
}
if (mouse_report.x || mouse_report.y || mouse_report.v || mouse_report.h) mousekey_send();
mouse_report = tmpmr;
}
void mousekey_on(uint8_t code) {
if (code == KC_MS_UP)
mouse_report.y = move_unit() * -1;
else if (code == KC_MS_DOWN)
mouse_report.y = move_unit();
else if (code == KC_MS_LEFT)
mouse_report.x = move_unit() * -1;
else if (code == KC_MS_RIGHT)
mouse_report.x = move_unit();
else if (code == KC_MS_WH_UP)
mouse_report.v = wheel_unit();
else if (code == KC_MS_WH_DOWN)
mouse_report.v = wheel_unit() * -1;
else if (code == KC_MS_WH_LEFT)
mouse_report.h = wheel_unit() * -1;
else if (code == KC_MS_WH_RIGHT)
mouse_report.h = wheel_unit();
else if (code == KC_MS_BTN1)
mouse_report.buttons |= MOUSE_BTN1;
else if (code == KC_MS_BTN2)
mouse_report.buttons |= MOUSE_BTN2;
else if (code == KC_MS_BTN3)
mouse_report.buttons |= MOUSE_BTN3;
else if (code == KC_MS_BTN4)
mouse_report.buttons |= MOUSE_BTN4;
else if (code == KC_MS_BTN5)
mouse_report.buttons |= MOUSE_BTN5;
else if (code == KC_MS_ACCEL0)
mousekey_accel |= (1 << 0);
else if (code == KC_MS_ACCEL1)
mousekey_accel |= (1 << 1);
else if (code == KC_MS_ACCEL2)
mousekey_accel |= (1 << 2);
}
void mousekey_off(uint8_t code) {
if (code == KC_MS_UP && mouse_report.y < 0)
mouse_report.y = 0;
else if (code == KC_MS_DOWN && mouse_report.y > 0)
mouse_report.y = 0;
else if (code == KC_MS_LEFT && mouse_report.x < 0)
mouse_report.x = 0;
else if (code == KC_MS_RIGHT && mouse_report.x > 0)
mouse_report.x = 0;
else if (code == KC_MS_WH_UP && mouse_report.v > 0)
mouse_report.v = 0;
else if (code == KC_MS_WH_DOWN && mouse_report.v < 0)
mouse_report.v = 0;
else if (code == KC_MS_WH_LEFT && mouse_report.h < 0)
mouse_report.h = 0;
else if (code == KC_MS_WH_RIGHT && mouse_report.h > 0)
mouse_report.h = 0;
else if (code == KC_MS_BTN1)
mouse_report.buttons &= ~MOUSE_BTN1;
else if (code == KC_MS_BTN2)
mouse_report.buttons &= ~MOUSE_BTN2;
else if (code == KC_MS_BTN3)
mouse_report.buttons &= ~MOUSE_BTN3;
else if (code == KC_MS_BTN4)
mouse_report.buttons &= ~MOUSE_BTN4;
else if (code == KC_MS_BTN5)
mouse_report.buttons &= ~MOUSE_BTN5;
else if (code == KC_MS_ACCEL0)
mousekey_accel &= ~(1 << 0);
else if (code == KC_MS_ACCEL1)
mousekey_accel &= ~(1 << 1);
else if (code == KC_MS_ACCEL2)
mousekey_accel &= ~(1 << 2);
if (mouse_report.x == 0 && mouse_report.y == 0) mousekey_repeat = 0;
if (mouse_report.v == 0 && mouse_report.h == 0) mousekey_wheel_repeat = 0;
}
#else /* #ifndef MK_3_SPEED */
enum { mkspd_unmod, mkspd_0, mkspd_1, mkspd_2, mkspd_COUNT };
# ifndef MK_MOMENTARY_ACCEL
static uint8_t mk_speed = mkspd_1;
# else
static uint8_t mk_speed = mkspd_unmod;
static uint8_t mkspd_DEFAULT = mkspd_unmod;
# endif
static uint16_t last_timer_c = 0;
static uint16_t last_timer_w = 0;
uint16_t c_offsets[mkspd_COUNT] = {MK_C_OFFSET_UNMOD, MK_C_OFFSET_0, MK_C_OFFSET_1, MK_C_OFFSET_2};
uint16_t c_intervals[mkspd_COUNT] = {MK_C_INTERVAL_UNMOD, MK_C_INTERVAL_0, MK_C_INTERVAL_1, MK_C_INTERVAL_2};
uint16_t w_offsets[mkspd_COUNT] = {MK_W_OFFSET_UNMOD, MK_W_OFFSET_0, MK_W_OFFSET_1, MK_W_OFFSET_2};
uint16_t w_intervals[mkspd_COUNT] = {MK_W_INTERVAL_UNMOD, MK_W_INTERVAL_0, MK_W_INTERVAL_1, MK_W_INTERVAL_2};
void mousekey_task(void) {
// report cursor and scroll movement independently
report_mouse_t const tmpmr = mouse_report;
mouse_report.x = 0;
mouse_report.y = 0;
mouse_report.v = 0;
mouse_report.h = 0;
if ((tmpmr.x || tmpmr.y) && timer_elapsed(last_timer_c) > c_intervals[mk_speed]) {
mouse_report.x = tmpmr.x;
mouse_report.y = tmpmr.y;
}
if ((tmpmr.h || tmpmr.v) && timer_elapsed(last_timer_w) > w_intervals[mk_speed]) {
mouse_report.v = tmpmr.v;
mouse_report.h = tmpmr.h;
}
if (mouse_report.x || mouse_report.y || mouse_report.v || mouse_report.h) mousekey_send();
mouse_report = tmpmr;
}
void adjust_speed(void) {
uint16_t const c_offset = c_offsets[mk_speed];
uint16_t const w_offset = w_offsets[mk_speed];
if (mouse_report.x > 0) mouse_report.x = c_offset;
if (mouse_report.x < 0) mouse_report.x = c_offset * -1;
if (mouse_report.y > 0) mouse_report.y = c_offset;
if (mouse_report.y < 0) mouse_report.y = c_offset * -1;
if (mouse_report.h > 0) mouse_report.h = w_offset;
if (mouse_report.h < 0) mouse_report.h = w_offset * -1;
if (mouse_report.v > 0) mouse_report.v = w_offset;
if (mouse_report.v < 0) mouse_report.v = w_offset * -1;
// adjust for diagonals
if (mouse_report.x && mouse_report.y) {
mouse_report.x = times_inv_sqrt2(mouse_report.x);
if (mouse_report.x == 0) {
mouse_report.x = 1;
}
mouse_report.y = times_inv_sqrt2(mouse_report.y);
if (mouse_report.y == 0) {
mouse_report.y = 1;
}
}
if (mouse_report.h && mouse_report.v) {
mouse_report.h = times_inv_sqrt2(mouse_report.h);
mouse_report.v = times_inv_sqrt2(mouse_report.v);
}
}
void mousekey_on(uint8_t code) {
uint16_t const c_offset = c_offsets[mk_speed];
uint16_t const w_offset = w_offsets[mk_speed];
uint8_t const old_speed = mk_speed;
if (code == KC_MS_UP)
mouse_report.y = c_offset * -1;
else if (code == KC_MS_DOWN)
mouse_report.y = c_offset;
else if (code == KC_MS_LEFT)
mouse_report.x = c_offset * -1;
else if (code == KC_MS_RIGHT)
mouse_report.x = c_offset;
else if (code == KC_MS_WH_UP)
mouse_report.v = w_offset;
else if (code == KC_MS_WH_DOWN)
mouse_report.v = w_offset * -1;
else if (code == KC_MS_WH_LEFT)
mouse_report.h = w_offset * -1;
else if (code == KC_MS_WH_RIGHT)
mouse_report.h = w_offset;
else if (code == KC_MS_BTN1)
mouse_report.buttons |= MOUSE_BTN1;
else if (code == KC_MS_BTN2)
mouse_report.buttons |= MOUSE_BTN2;
else if (code == KC_MS_BTN3)
mouse_report.buttons |= MOUSE_BTN3;
else if (code == KC_MS_BTN4)
mouse_report.buttons |= MOUSE_BTN4;
else if (code == KC_MS_BTN5)
mouse_report.buttons |= MOUSE_BTN5;
else if (code == KC_MS_ACCEL0)
mk_speed = mkspd_0;
else if (code == KC_MS_ACCEL1)
mk_speed = mkspd_1;
else if (code == KC_MS_ACCEL2)
mk_speed = mkspd_2;
if (mk_speed != old_speed) adjust_speed();
}
void mousekey_off(uint8_t code) {
# ifdef MK_MOMENTARY_ACCEL
uint8_t const old_speed = mk_speed;
# endif
if (code == KC_MS_UP && mouse_report.y < 0)
mouse_report.y = 0;
else if (code == KC_MS_DOWN && mouse_report.y > 0)
mouse_report.y = 0;
else if (code == KC_MS_LEFT && mouse_report.x < 0)
mouse_report.x = 0;
else if (code == KC_MS_RIGHT && mouse_report.x > 0)
mouse_report.x = 0;
else if (code == KC_MS_WH_UP && mouse_report.v > 0)
mouse_report.v = 0;
else if (code == KC_MS_WH_DOWN && mouse_report.v < 0)
mouse_report.v = 0;
else if (code == KC_MS_WH_LEFT && mouse_report.h < 0)
mouse_report.h = 0;
else if (code == KC_MS_WH_RIGHT && mouse_report.h > 0)
mouse_report.h = 0;
else if (code == KC_MS_BTN1)
mouse_report.buttons &= ~MOUSE_BTN1;
else if (code == KC_MS_BTN2)
mouse_report.buttons &= ~MOUSE_BTN2;
else if (code == KC_MS_BTN3)
mouse_report.buttons &= ~MOUSE_BTN3;
else if (code == KC_MS_BTN4)
mouse_report.buttons &= ~MOUSE_BTN4;
else if (code == KC_MS_BTN5)
mouse_report.buttons &= ~MOUSE_BTN5;
# ifdef MK_MOMENTARY_ACCEL
else if (code == KC_MS_ACCEL0)
mk_speed = mkspd_DEFAULT;
else if (code == KC_MS_ACCEL1)
mk_speed = mkspd_DEFAULT;
else if (code == KC_MS_ACCEL2)
mk_speed = mkspd_DEFAULT;
if (mk_speed != old_speed) adjust_speed();
# endif
}
#endif /* #ifndef MK_3_SPEED */
void mousekey_send(void) {
mousekey_debug();
uint16_t time = timer_read();
if (mouse_report.x || mouse_report.y) last_timer_c = time;
if (mouse_report.v || mouse_report.h) last_timer_w = time;
host_mouse_send(&mouse_report);
}
void mousekey_clear(void) {
mouse_report = (report_mouse_t){};
mousekey_repeat = 0;
mousekey_wheel_repeat = 0;
mousekey_accel = 0;
}
static void mousekey_debug(void) {
if (!debug_mouse) return;
print("mousekey [btn|x y v h](rep/acl): [");
phex(mouse_report.buttons);
print("|");
print_decs(mouse_report.x);
print(" ");
print_decs(mouse_report.y);
print(" ");
print_decs(mouse_report.v);
print(" ");
print_decs(mouse_report.h);
print("](");
print_dec(mousekey_repeat);
print("/");
print_dec(mousekey_accel);
print(")\n");
}
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