Add new planck layout (#1778)

* Custom layout: tehwalris

* Prevent stuck modifiers.

3 files changed, 175 insertions, 0 deletions

diff --git a/keyboards/planck/keymaps/tehwalris/config.h b/keyboards/planck/keymaps/tehwalris/config.h
new file mode 100644
index 000000000..4725e1426
--- /dev/null
+++ b/keyboards/planck/keymaps/tehwalris/config.h
@@ -0,0 +1,44 @@
+#ifndef CONFIG_USER_H
+#define CONFIG_USER_H
+
+#include "../../config.h"
+
+#define PREVENT_STUCK_MODIFIERS
+
+#ifdef AUDIO_ENABLE
+    // #define STARTUP_SONG SONG(PLANCK_SOUND)
+    #define STARTUP_SONG SONG(NO_SOUND)
+
+    #define DEFAULT_LAYER_SONGS { SONG(QWERTY_SOUND), \
+                                  SONG(COLEMAK_SOUND), \
+                                  SONG(DVORAK_SOUND) \
+                                }
+#endif
+
+#define MUSIC_MASK (keycode != KC_NO)
+
+/*
+ * MIDI options
+ */
+
+/* Prevent use of disabled MIDI features in the keymap */
+//#define MIDI_ENABLE_STRICT 1
+
+/* enable basic MIDI features:
+   - MIDI notes can be sent when in Music mode is on
+*/
+                                
+#define MIDI_BASIC
+
+/* enable advanced MIDI features:
+   - MIDI notes can be added to the keymap
+   - Octave shift and transpose
+   - Virtual sustain, portamento, and modulation wheel
+   - etc.
+*/
+//#define MIDI_ADVANCED
+
+/* override number of MIDI tone keycodes (each octave adds 12 keycodes and allocates 12 bytes) */
+//#define MIDI_TONE_KEYCODE_OCTAVES 2
+
+#endif
diff --git a/keyboards/planck/keymaps/tehwalris/keymap.c b/keyboards/planck/keymaps/tehwalris/keymap.c
new file mode 100644
index 000000000..f36bad3ed
--- /dev/null
+++ b/keyboards/planck/keymaps/tehwalris/keymap.c
@@ -0,0 +1,128 @@
+/* Copyright 2015-2017 Jack Humbert
+ *
+ * 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 "planck.h"
+#include "action_layer.h"
+
+extern keymap_config_t keymap_config;
+
+enum planck_layers {
+  DVORAK,
+  OVL_L, // Left overlay
+  OVL_R, // Right overlay
+  OVL_C, // Corner overlay
+  OVL_N, // Number overlay
+  OVL_F, // F-key overlay
+};
+
+enum planck_keycodes {
+  UMLT_A = SAFE_RANGE,
+  UMLT_O,
+  UMLT_U,
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+[DVORAK] = {
+  {KC_TAB,  KC_QUOT,   KC_COMM, KC_DOT,  KC_P,    KC_Y,      KC_F,      KC_G,    KC_C,    KC_R,      KC_L,    OSL(OVL_C)},
+  {KC_ESC,  KC_A,      KC_O,    KC_E,    KC_U,    KC_I,      KC_D,      KC_H,    KC_T,    KC_N,      KC_S,    KC_ENT    },
+  {KC_LSFT, KC_SCLN,   KC_Q,    KC_J,    KC_K,    KC_X,      KC_B,      KC_M,    KC_W,    KC_V,      KC_Z,    KC_RSFT   },
+  {KC_LGUI, MO(OVL_N), KC_LCTL, KC_RCTL, KC_BSPC, MO(OVL_L), MO(OVL_R), KC_SPC,  KC_LALT, MO(OVL_F), KC_RALT, KC_RGUI   }
+},
+
+[OVL_L] = {
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_RGHT, _______},
+  {_______, KC_UNDS, KC_MINS, KC_BSLS, KC_SLSH, KC_PLUS, KC_DLR,  KC_LEFT, KC_EQL,  KC_LCBR, KC_RCBR, _______},
+  {_______, KC_SCLN, _______, _______, _______, _______, _______, _______, KC_GRV,  KC_HASH, KC_PIPE, _______},
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
+},
+
+[OVL_R] = {
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______},
+  {_______, KC_LBRC, KC_RBRC, KC_LPRN, KC_RPRN, KC_EXLM, KC_CIRC, KC_QUES, KC_PERC, KC_AMPR, KC_ASTR, _______},
+  {_______, KC_TILD, KC_AT,   KC_DOWN, KC_UP,   _______, _______, _______, _______, _______, _______, _______},
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______}
+},
+
+[OVL_C] = {
+  {_______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_END,  _______},
+  {_______, UMLT_A,  UMLT_O,  _______, UMLT_U,  _______, _______, KC_HOME, _______, _______, _______, _______},
+  {_______, _______, _______, KC_PGDN, KC_PGUP, _______, _______, _______, _______, _______, _______, _______},
+  {_______, _______, _______, _______, KC_DEL,  _______, _______, KC_INS,  _______, _______, _______, _______}
+},
+
+[OVL_N] = {
+  {_______, _______, _______, _______, _______, _______, _______, KC_7,    KC_8,    KC_9,    _______, _______},
+  {_______, KC_PLUS, KC_UNDS, KC_LPRN, KC_RPRN, _______, _______, KC_4,    KC_5,    KC_6,    _______, _______},
+  {_______, KC_ASTR, KC_SLSH, _______, _______, _______, _______, KC_1,    KC_2,    KC_3,    KC_EQL,  _______},
+  {_______, _______, _______, _______, _______, _______, _______, KC_0,    _______, _______, _______, _______}
+},
+
+[OVL_F] = {
+  {_______, _______, _______, _______, _______, _______, _______, KC_F7,   KC_F8,   KC_F9,   _______, _______},
+  {_______, _______, _______, _______, _______, _______, _______, KC_F4,   KC_F5,   KC_F6,   _______, _______},
+  {_______, _______, _______, _______, _______, _______, _______, KC_F1,   KC_F2,   KC_F3,   _______, _______},
+  {_______, _______, _______, _______, _______, _______, _______, KC_F10,  KC_F11,  KC_F12,  _______, _______}
+}
+
+};
+
+static bool is_left_shift_pressed = false;
+static bool is_right_shift_pressed = false;
+
+// This will only work on linux with xkbmap option "compose:prsc"
+void press_umlaut_of(uint16_t keycode) {
+  bool is_shift_pressed = (is_left_shift_pressed || is_right_shift_pressed);
+  register_code(KC_PSCREEN);
+  unregister_code(KC_PSCREEN);
+  if (!is_shift_pressed) {
+    register_code(KC_LSFT);
+  }
+  register_code(KC_QUOT);
+  unregister_code(KC_QUOT);
+  if (!is_shift_pressed) {
+    unregister_code(KC_LSFT);
+  }
+  register_code(keycode);
+  unregister_code(keycode);
+}
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    case KC_LSFT:
+      is_left_shift_pressed = record->event.pressed;
+      break;
+    case KC_RSFT:
+      is_right_shift_pressed = record->event.pressed;
+      break;
+    case UMLT_A:
+      if (record->event.pressed) {
+        press_umlaut_of(KC_A);
+      }
+      break;
+    case UMLT_O:
+      if (record->event.pressed) {
+        press_umlaut_of(KC_O);
+      }
+      break;
+    case UMLT_U:
+      if (record->event.pressed) {
+        press_umlaut_of(KC_U);
+      }
+      break;
+  }
+  return true;
+}
diff --git a/keyboards/planck/keymaps/tehwalris/rules.mk b/keyboards/planck/keymaps/tehwalris/rules.mk
new file mode 100644
index 000000000..457a3d01d
--- /dev/null
+++ b/keyboards/planck/keymaps/tehwalris/rules.mk
@@ -0,0 +1,3 @@
+ifndef QUANTUM_DIR
+	include ../../../../Makefile
+endif