From e3073be4884c53bbd922477a83553d03f4eb7ebb Mon Sep 17 00:00:00 2001
From: Albert Y <76888457+filterpaper@users.noreply.github.com>
Date: Mon, 27 Dec 2021 11:16:18 +0800
Subject: RGB Matrix layer key indicator (#14626)
* Add layer key indicator example
* Update description
* Deobfuscate with index variable
* Add missing layer variable
* Correct color name and indicator function
* Function typo
* Place layer variable outside loops to save firmware space
Co-authored-by: filterpaper <filterpaper@localhost>
---
docs/feature_rgb_matrix.md | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
(limited to 'docs')
diff --git a/docs/feature_rgb_matrix.md b/docs/feature_rgb_matrix.md
index 8ba39b476b..3132360a38 100644
--- a/docs/feature_rgb_matrix.md
+++ b/docs/feature_rgb_matrix.md
@@ -790,6 +790,26 @@ void rgb_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {
}
```
+Layer indicator with only configured keys:
+```c
+void rgb_matrix_indicators_advanced_user(uint8_t led_min, uint8_t led_max) {
+ if (get_highest_layer(layer_state) > 0) {
+ uint8_t layer = get_highest_layer(layer_state);
+
+ for (uint8_t row = 0; row < MATRIX_ROWS; ++row) {
+ for (uint8_t col = 0; col < MATRIX_COLS; ++col) {
+ uint8_t index = g_led_config.matrix_co[row][col];
+
+ if (index >= led_min && index <= led_max && index != NO_LED &&
+ keymap_key_to_keycode(layer, (keypos_t){col,row}) > KC_TRNS) {
+ rgb_matrix_set_color(index, RGB_GREEN);
+ }
+ }
+ }
+ }
+}
+```
+
#### Examples :id=indicator-examples
This example sets the modifiers to be a specific color based on the layer state. You can use a switch case here, instead, if you would like. This uses HSV and then converts to RGB, because this allows the brightness to be limited (important when using the WS2812 driver).
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