From f1a53407e7c99559f9073f11ab91e7b305ec7770 Mon Sep 17 00:00:00 2001
From: Anson Liu <ansonl@users.noreply.github.com>
Date: Tue, 23 Jan 2024 08:24:49 -0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=9A=B8=20DOGM=20active=20extruder=20indic?=
 =?UTF-8?q?ator=20(#26152)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Marlin/src/lcd/dogm/status/hotend.h        | 8 ++++++++
 Marlin/src/lcd/dogm/status_screen_DOGM.cpp | 5 +++++
 2 files changed, 13 insertions(+)

diff --git a/Marlin/src/lcd/dogm/status/hotend.h b/Marlin/src/lcd/dogm/status/hotend.h
index aac29da451..ae21524ef5 100644
--- a/Marlin/src/lcd/dogm/status/hotend.h
+++ b/Marlin/src/lcd/dogm/status/hotend.h
@@ -90,6 +90,14 @@
 
 #elif STATUS_HOTEND_BITMAPS > 1
 
+  const unsigned char status_active_extruder_indicator_bmp[] PROGMEM = {
+    B00110000,
+    B00011000,
+    B00001100,
+    B00011000,
+    B00110000
+  };
+
   #ifdef STATUS_HOTEND_ANIM
 
     const unsigned char status_hotend1_a_bmp[] PROGMEM = {
diff --git a/Marlin/src/lcd/dogm/status_screen_DOGM.cpp b/Marlin/src/lcd/dogm/status_screen_DOGM.cpp
index 636d10bbe9..5d1a3363fb 100644
--- a/Marlin/src/lcd/dogm/status_screen_DOGM.cpp
+++ b/Marlin/src/lcd/dogm/status_screen_DOGM.cpp
@@ -323,6 +323,11 @@ FORCE_INLINE void _draw_centered_temp(const celsius_t temp, const uint8_t tx, co
 
       } // PAGE_CONTAINS
 
+      #if HAS_MULTI_EXTRUDER && DISABLED(SLIM_LCD_MENUS)
+        if (active_extruder == heater_id)
+          u8g.drawBitmapP(_MAX(0, STATUS_HOTEND_X(heater_id) - 6), STATUS_HEATERS_Y + 3, 1, 5, status_active_extruder_indicator_bmp);
+      #endif
+
     #endif // !STATUS_COMBINE_HEATERS
 
     if (PAGE_UNDER(7)) {