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feat(mouse): Split move/scroll & x/y acceleration
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@caksoylar @petejohanson
caksoylar authored and petejohanson committed Dec 4, 2023
1 parent 4613302 commit e6b4a4b
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Showing 4 changed files with 77 additions and 27 deletions.
6 changes: 3 additions & 3 deletions app/include/zmk/events/mouse_tick.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,7 +17,7 @@ struct zmk_mouse_tick {
struct vector2d max_scroll;
struct mouse_config move_config;
struct mouse_config scroll_config;
int64_t *start_time;
struct mouse_times start_times;
int64_t timestamp;
};

Expand All @@ -27,13 +27,13 @@ static inline struct zmk_mouse_tick_event *zmk_mouse_tick(struct vector2d max_mo
struct vector2d max_scroll,
struct mouse_config move_config,
struct mouse_config scroll_config,
int64_t *movement_start) {
struct mouse_times movement_start) {
return new_zmk_mouse_tick((struct zmk_mouse_tick){
.max_move = max_move,
.max_scroll = max_scroll,
.move_config = move_config,
.scroll_config = scroll_config,
.start_time = movement_start,
.start_times = movement_start,
.timestamp = k_uptime_get(),
});
}
7 changes: 7 additions & 0 deletions app/include/zmk/mouse.h
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Original file line number Diff line number Diff line change
Expand Up @@ -25,5 +25,12 @@ struct vector2d {
float y;
};

struct mouse_times {
uint64_t m_x;
uint64_t m_y;
uint64_t s_x;
uint64_t s_y;
};

struct k_work_q *zmk_mouse_work_q();
int zmk_mouse_init();
70 changes: 54 additions & 16 deletions app/src/mouse/key_listener.c
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Original file line number Diff line number Diff line change
Expand Up @@ -23,7 +23,7 @@ static struct vector2d move_speed = {0};
static struct vector2d scroll_speed = {0};
static struct mouse_config move_config = (struct mouse_config){0};
static struct mouse_config scroll_config = (struct mouse_config){0};
static int64_t start_time = 0;
static struct mouse_times start_times = (struct mouse_times){0};

bool equals(const struct mouse_config *one, const struct mouse_config *other) {
return one->delay_ms == other->delay_ms &&
Expand All @@ -34,7 +34,7 @@ bool equals(const struct mouse_config *one, const struct mouse_config *other) {
static void clear_mouse_state(struct k_work *work) {
move_speed = (struct vector2d){0};
scroll_speed = (struct vector2d){0};
start_time = 0;
start_times = (struct mouse_times){0};
zmk_hid_mouse_movement_set(0, 0);
zmk_hid_mouse_scroll_set(0, 0);
LOG_DBG("Clearing state");
Expand All @@ -51,7 +51,7 @@ static void mouse_tick_timer_handler(struct k_work *work) {
zmk_hid_mouse_scroll_set(0, 0);
LOG_DBG("Raising mouse tick event");
ZMK_EVENT_RAISE(
zmk_mouse_tick(move_speed, scroll_speed, move_config, scroll_config, &start_time));
zmk_mouse_tick(move_speed, scroll_speed, move_config, scroll_config, start_times));
zmk_endpoints_send_mouse_report();
}

Expand All @@ -64,47 +64,85 @@ void mouse_timer_cb(struct k_timer *dummy) {

K_TIMER_DEFINE(mouse_timer, mouse_timer_cb, mouse_clear_cb);

static int mouse_timer_ref_count = 0;
static struct {
int m_x;
int m_y;
int s_x;
int s_y;
} mouse_timer_ref_counts = {0, 0, 0, 0};

void mouse_timer_ref() {
if (mouse_timer_ref_count == 0) {
start_time = k_uptime_get();
void mouse_timer_ref(bool m_x, bool m_y, bool s_x, bool s_y) {
if (m_x && mouse_timer_ref_counts.m_x == 0) {
start_times.m_x = k_uptime_get();
}
if (m_y && mouse_timer_ref_counts.m_y == 0) {
start_times.m_y = k_uptime_get();
}
if (s_x && mouse_timer_ref_counts.s_x == 0) {
start_times.s_x = k_uptime_get();
}
if (s_y && mouse_timer_ref_counts.s_y == 0) {
start_times.s_y = k_uptime_get();
}
if (mouse_timer_ref_counts.m_x == 0 && mouse_timer_ref_counts.m_y == 0 &&
mouse_timer_ref_counts.s_x == 0 && mouse_timer_ref_counts.s_y == 0) {
k_timer_start(&mouse_timer, K_NO_WAIT, K_MSEC(CONFIG_ZMK_MOUSE_TICK_DURATION));
}
mouse_timer_ref_count += 1;
if (m_x) {
mouse_timer_ref_counts.m_x++;
}
if (m_y) {
mouse_timer_ref_counts.m_y++;
}
if (s_x) {
mouse_timer_ref_counts.s_x++;
}
if (s_y) {
mouse_timer_ref_counts.s_y++;
}
}

void mouse_timer_unref() {
if (mouse_timer_ref_count > 0) {
mouse_timer_ref_count--;
void mouse_timer_unref(bool m_x, bool m_y, bool s_x, bool s_y) {
if (m_x && mouse_timer_ref_counts.m_x > 0) {
mouse_timer_ref_counts.m_x--;
}
if (m_y && mouse_timer_ref_counts.m_y > 0) {
mouse_timer_ref_counts.m_y--;
}
if (s_x && mouse_timer_ref_counts.s_x > 0) {
mouse_timer_ref_counts.s_x--;
}
if (s_y && mouse_timer_ref_counts.s_y > 0) {
mouse_timer_ref_counts.s_y--;
}
if (mouse_timer_ref_count == 0) {
if (mouse_timer_ref_counts.m_x == 0 && mouse_timer_ref_counts.m_y == 0 &&
mouse_timer_ref_counts.s_x == 0 && mouse_timer_ref_counts.s_y == 0) {
k_timer_stop(&mouse_timer);
}
}

static void listener_mouse_move_pressed(const struct zmk_mouse_move_state_changed *ev) {
move_speed.x += ev->max_speed.x;
move_speed.y += ev->max_speed.y;
mouse_timer_ref();
mouse_timer_ref(ev->max_speed.x != 0, ev->max_speed.y != 0, false, false);
}

static void listener_mouse_move_released(const struct zmk_mouse_move_state_changed *ev) {
move_speed.x -= ev->max_speed.x;
move_speed.y -= ev->max_speed.y;
mouse_timer_unref();
mouse_timer_unref(ev->max_speed.x != 0, ev->max_speed.y != 0, false, false);
}

static void listener_mouse_scroll_pressed(const struct zmk_mouse_scroll_state_changed *ev) {
scroll_speed.x += ev->max_speed.x;
scroll_speed.y += ev->max_speed.y;
mouse_timer_ref();
mouse_timer_ref(false, false, ev->max_speed.x != 0, ev->max_speed.y != 0);
}

static void listener_mouse_scroll_released(const struct zmk_mouse_scroll_state_changed *ev) {
scroll_speed.x -= ev->max_speed.x;
scroll_speed.y -= ev->max_speed.y;
mouse_timer_unref();
mouse_timer_unref(false, false, ev->max_speed.x != 0, ev->max_speed.y != 0);
}

static void listener_mouse_button_pressed(const struct zmk_mouse_button_state_changed *ev) {
Expand Down
21 changes: 13 additions & 8 deletions app/src/mouse/tick_listener.c
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Original file line number Diff line number Diff line change
Expand Up @@ -61,17 +61,18 @@ static void track_remainder(float *move, float *remainder) {

static struct vector2d update_movement(struct vector2d *remainder,
const struct mouse_config *config, struct vector2d max_speed,
int64_t now, int64_t *start_time) {
int64_t now, int64_t start_time_x, int64_t start_time_y) {
struct vector2d move = {0};
if (max_speed.x == 0 && max_speed.y == 0) {
*remainder = (struct vector2d){0};
return move;
}

int64_t move_duration = ms_since_start(*start_time, now, config->delay_ms);
int64_t move_duration_x = ms_since_start(start_time_x, now, config->delay_ms);
int64_t move_duration_y = ms_since_start(start_time_y, now, config->delay_ms);
move = (struct vector2d){
.x = speed(config, max_speed.x, move_duration) * CONFIG_ZMK_MOUSE_TICK_DURATION / 1000,
.y = speed(config, max_speed.y, move_duration) * CONFIG_ZMK_MOUSE_TICK_DURATION / 1000,
.x = speed(config, max_speed.x, move_duration_x) * CONFIG_ZMK_MOUSE_TICK_DURATION / 1000,
.y = speed(config, max_speed.y, move_duration_y) * CONFIG_ZMK_MOUSE_TICK_DURATION / 1000,
};

track_remainder(&(move.x), &(remainder->x));
Expand All @@ -81,12 +82,16 @@ static struct vector2d update_movement(struct vector2d *remainder,
}

static void mouse_tick_handler(const struct zmk_mouse_tick *tick) {
struct vector2d move = update_movement(&move_remainder, &(tick->move_config), tick->max_move,
tick->timestamp, tick->start_time);
LOG_INF("tick start times: %lld %lld %lld %lld", tick->start_times.m_x, tick->start_times.m_y,
tick->start_times.s_x, tick->start_times.s_y);
struct vector2d move =
update_movement(&move_remainder, &(tick->move_config), tick->max_move, tick->timestamp,
tick->start_times.m_x, tick->start_times.m_y);
zmk_hid_mouse_movement_update((int16_t)CLAMP(move.x, INT16_MIN, INT16_MAX),
(int16_t)CLAMP(move.y, INT16_MIN, INT16_MAX));
struct vector2d scroll = update_movement(&scroll_remainder, &(tick->scroll_config),
tick->max_scroll, tick->timestamp, tick->start_time);
struct vector2d scroll =
update_movement(&scroll_remainder, &(tick->scroll_config), tick->max_scroll,
tick->timestamp, tick->start_times.s_x, tick->start_times.s_y);
zmk_hid_mouse_scroll_update((int8_t)CLAMP(scroll.x, INT8_MIN, INT8_MAX),
(int8_t)CLAMP(scroll.y, INT8_MIN, INT8_MAX));
}
Expand Down

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