create users/datagrok (#7653)

* users/datagrok: add shared functions

* users/datagrok: improve base-layer selection feature

* users/datagrok: add README.md

1 files changed, 46 insertions, 0 deletions

diff --git a/users/datagrok/feature_default_layers_selector.c b/users/datagrok/feature_default_layers_selector.c
new file mode 100644
index 0000000000..c83c773f83
--- /dev/null
+++ b/users/datagrok/feature_default_layers_selector.c
@@ -0,0 +1,46 @@
+#include "feature_default_layers_selector.h"
+
+#ifdef AUDIO_ENABLE
+#include "audio.h"
+#ifdef DEFAULT_LAYER_SONGS
+extern float default_layer_songs[][16][2];
+#endif
+#endif
+
+bool process_record_save_default_layer(uint16_t keycode, keyrecord_t *record) {
+
+#if defined(AUDIO_ENABLE)
+    float saved_song[][2] = SONG(COIN_SOUND);
+#endif
+
+    if (!(keycode == KF_LAYO
+          && record->event.pressed
+          && get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT)))) {
+        return true;
+    }
+
+    eeconfig_update_default_layer(default_layer_state);
+#if defined(AUDIO_ENABLE)
+    PLAY_SONG(saved_song);
+#endif
+    return false;
+}
+
+bool process_record_select_default_layer(uint16_t keycode, keyrecord_t *record) {
+    if (!(keycode == KF_LAYO
+          && record->event.pressed)) {
+        return true;
+    }
+    if (!default_layer_state) {
+        default_layer_set(2);
+    } else {
+        default_layer_set(
+                          (((1U<<(highest_base_layer+1))-1) & (default_layer_state<<1))
+                          | (default_layer_state>>highest_base_layer));
+    }
+    led_set(host_keyboard_leds());
+#if defined(AUDIO_ENABLE) && defined(DEFAULT_LAYER_SONGS)
+    PLAY_SONG(default_layer_songs[get_highest_layer(default_layer_state)]);
+#endif
+    return false;
+}