qmk-firmware/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c
Maddie O'Brien 6750733cda
Add keymap with scrolling mode for the Ploopy Nano trackball (#13013)
Co-authored-by: Drashna Jaelre <drashna@live.com>
2021-05-26 22:11:38 -07:00

80 lines
2.0 KiB
C

/* 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
// safe range starts at `PLOOPY_SAFE_RANGE` instead.
uint8_t scroll_enabled = 0;
uint8_t lock_state = 0;
int16_t delta_x = 0;
int16_t delta_y = 0;
void process_mouse_user(report_mouse_t *mouse_report, int16_t x, int16_t y) {
if (scroll_enabled) {
delta_x += x;
delta_y += y;
if (delta_x > 60) {
mouse_report->h = 1;
delta_x = 0;
} else if (delta_x < -60) {
mouse_report->h = -1;
delta_x = 0;
}
if (delta_y > 15) {
mouse_report->v = -1;
delta_y = 0;
} else if (delta_y < -15) {
mouse_report->v = 1;
delta_y = 0;
}
} else {
mouse_report->x = x;
mouse_report->y = y;
}
}
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) > 25) {
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;
delta_x = 0;
delta_y = 0;
}
}
lock_state = led_state.num_lock;
return true;
}