Revert "use code of https://github.com/filterpaper/qmk_userspace"

This reverts commit 8980edbc88646e803625ad89308d313b436fd389.

1 files changed, 21 insertions, 2 deletions

diff --git a/planck/keymap.c b/planck/keymap.c
index 90243ac..2666e77 100644
--- a/planck/keymap.c
+++ b/planck/keymap.c
@@ -1,8 +1,27 @@
-// Copyright Christoph Cullmann
-// SPDX-License-Identifier: GPL-2.0+
+/* Copyright 2022 Christoph Cullmann
+ *
+ * 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
 
+// Returns true if `pos` on the left hand of the keyboard, false if right.
+static bool on_left_hand(keypos_t pos)
+{
+    return (pos.row < 3) || (pos.row == 3 && pos.col < 3) || (pos.row == 7 && pos.col > 2);
+}
+
 // layout helper macro, we just use 42 keys
 #undef LAYOUT
 #define LAYOUT(\