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-rw-r--r--keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c79
-rw-r--r--keyboards/ploopyco/trackball_nano/keymaps/maddie/readme.md1
2 files changed, 80 insertions, 0 deletions
diff --git a/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c b/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c
new file mode 100644
index 0000000000..6f568ecf51
--- /dev/null
+++ b/keyboards/ploopyco/trackball_nano/keymaps/maddie/keymap.c
@@ -0,0 +1,79 @@
+/* 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;
+}
diff --git a/keyboards/ploopyco/trackball_nano/keymaps/maddie/readme.md b/keyboards/ploopyco/trackball_nano/keymaps/maddie/readme.md
new file mode 100644
index 0000000000..3a597e38d8
--- /dev/null
+++ b/keyboards/ploopyco/trackball_nano/keymaps/maddie/readme.md
@@ -0,0 +1 @@
+toggles scroll mode when numlock is double-tapped within 25ms. add a macro or something, unless you have ungodly fast fingers.