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/* Copyright 2021 Colin Lam (Ploopy Corporation)
* Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com>
* Copyright 2019 Sunjun Kim
* Copyright 2019 Hiroyuki Okada
*
* 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 QMK_KEYBOARD_H
// Configuration options
#define SCROLL_TIMEOUT 25
#define DELTA_X_THRESHOLD 60
#define DELTA_Y_THRESHOLD 15
// safe range starts at `PLOOPY_SAFE_RANGE` instead.
bool scroll_enabled = false;
bool lock_state = false;
// State
static int8_t delta_x = 0;
static int8_t delta_y = 0;
// Dummy
const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {{{ KC_NO }}};
report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) {
if (scroll_enabled) {
delta_x += mouse_report.x;
delta_y += mouse_report.y;
if (delta_x > DELTA_X_THRESHOLD) {
mouse_report.h = 1;
delta_x = 0;
} else if (delta_x < -DELTA_X_THRESHOLD) {
mouse_report.h = -1;
delta_x = 0;
}
if (delta_y > DELTA_Y_THRESHOLD) {
mouse_report.v = -1;
delta_y = 0;
} else if (delta_y < -DELTA_Y_THRESHOLD) {
mouse_report.v = 1;
delta_y = 0;
}
mouse_report.x = 0;
mouse_report.y = 0;
}
return mouse_report;
}
void keyboard_post_init_user(void) {
lock_state = host_keyboard_led_state().num_lock;
}
bool led_update_user(led_t led_state) {
static uint8_t lock_count = 0;
static uint16_t scroll_timer = 0;
if (timer_elapsed(scroll_timer) > SCROLL_TIMEOUT) {
scroll_timer = timer_read();
lock_count = 0;
}
if (led_state.num_lock != lock_state) {
lock_count++;
if (lock_count == 2) {
scroll_enabled = !scroll_enabled;
lock_count = 0;
}
}
lock_state = led_state.num_lock;
return true;
}
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