gmmk/pro/mike1808 keymap (#13398)

* Add gmmk/pro/mike1808 keymap

* Add licenses

* Update readme

* Add underglow support for rgb matrix layers

* Change FN to TT

* Fix rgb layer disabling during rgb settings change

* also clean up some code

1 files changed, 111 insertions, 0 deletions

diff --git a/keyboards/gmmk/pro/keymaps/mike1808/encoder.c b/keyboards/gmmk/pro/keymaps/mike1808/encoder.c
new file mode 100644
index 0000000000..049f4df7e4
--- /dev/null
+++ b/keyboards/gmmk/pro/keymaps/mike1808/encoder.c
@@ -0,0 +1,111 @@
+/* Copyright 2021 Mikael Manukyan <arm.localhost@gmail.com>
+ *
+ * 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 "encoder.h"
+#include "mike1808.h"
+#include "print.h"
+#include "utils.h"
+#include "process_record.h"
+#include "rgb_matrix_ledmaps.h"
+
+static uint8_t state = ENCODER_DEFAULT;
+
+// clang-format off
+const encoder_callback encoder_mapping[][2] = {
+    [ENCODER_VOLUME] = {&volume_up, &volume_down},
+#ifdef RGB_MATRIX_ENABLE
+    [ENCODER_RGB_HUE] = {&rgb_matrix_increase_hue_noeeprom, &rgb_matrix_decrease_hue_noeeprom},
+    [ENCODER_RGB_SAT] = {&rgb_matrix_increase_sat_noeeprom, &rgb_matrix_decrease_sat_noeeprom},
+    [ENCODER_RGB_VAL] = {&rgb_matrix_increase_val_noeeprom, &rgb_matrix_decrease_val_noeeprom},
+    [ENCODER_RGB_EFFECT] = {&rgb_matrix_step_noeeprom, &rgb_matrix_step_reverse_noeeprom},
+    [ENCODER_RGB_EFFECT_SPEED] = {&rgb_matrix_increase_speed_noeeprom, &rgb_matrix_decrease_speed_noeeprom},
+#endif // RGB_MATRIX_ENABLE
+};
+
+// clang-format on
+
+void volume_up() { tap_code(KC_VOLU); }
+
+void volume_down() { tap_code(KC_VOLD); }
+
+bool encoder_update_user(uint8_t index, bool clockwise) {
+    dprintf("current encoder state is: %d\n", state);
+
+    if (clockwise) {
+        (*encoder_mapping[state][0])();
+    } else {
+        (*encoder_mapping[state][1])();
+    }
+
+    return true;
+}
+
+void handle_rgb_key(bool pressed) {
+    dprintf("handle_rgb_key %d\f", pressed);
+
+    if (pressed) {
+        rgb_matrix_layers_disable();
+    } else {
+        rgb_matrix_layers_enable();
+    }
+}
+
+static KeyPressState *rgb_state;
+
+void keyboard_post_init_encoder() {
+    rgb_state = NewKeyPressState(handle_rgb_key);
+}
+
+bool process_record_encoder(uint16_t keycode, keyrecord_t *record) {
+#ifdef RGB_MATRIX_ENABLE
+    switch (keycode) {
+        case KC_RGB_ENC_HUE ... KC_RGB_ENC_EFFECT:
+            if (record->event.pressed) {
+#    ifdef RGB_MATRIX_LEDMAPS_ENABLED
+                // disable layers so we can adjust RGB effects
+                rgb_state->press(rgb_state);
+#    endif  // RGB_MATRIX_LEDMAPS_ENABLED
+
+                switch (keycode) {
+                    case KC_RGB_ENC_HUE:
+                        state = ENCODER_RGB_HUE;
+                        break;
+                    case KC_RGB_ENC_SAT:
+                        state = ENCODER_RGB_SAT;
+                        break;
+                    case KC_RGB_ENC_VAL:
+                        state = ENCODER_RGB_VAL;
+                        break;
+                    case KC_RGB_ENC_EFFECT_SPEED:
+                        state = ENCODER_RGB_EFFECT_SPEED;
+                        break;
+                    case KC_RGB_ENC_EFFECT:
+                        state = ENCODER_RGB_EFFECT;
+                        break;
+                }
+            } else {
+#    ifdef RGB_MATRIX_LEDMAPS_ENABLED
+                rgb_state->release(rgb_state);
+#    endif  // RGB_MATRIX_LEDMAPS_ENABLED
+                state = ENCODER_DEFAULT;
+                store_rgb_state_to_eeprom();
+            }
+
+            return false;
+    }
+#endif  // RGB_MATRIX_ENABLE
+
+    return true;
+}