From 71526fa5ce446c7504dca1c9d4a70a64f53fcf74 Mon Sep 17 00:00:00 2001
From: InsanityAutomation
 <38436470+InsanityAutomation@users.noreply.github.com>
Date: Mon, 7 Oct 2019 16:39:52 -0400
Subject: [PATCH] Fix ExtUI onMeshUpdate event (#15477)

---
 Marlin/src/lcd/extensible_ui/ui_api.cpp | 3 ---
 Marlin/src/lcd/extensible_ui/ui_api.h   | 2 +-
 Marlin/src/lcd/extui_example.cpp        | 4 ++++
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/Marlin/src/lcd/extensible_ui/ui_api.cpp b/Marlin/src/lcd/extensible_ui/ui_api.cpp
index b70a90b89..eebe01d0d 100644
--- a/Marlin/src/lcd/extensible_ui/ui_api.cpp
+++ b/Marlin/src/lcd/extensible_ui/ui_api.cpp
@@ -819,9 +819,6 @@ namespace ExtUI {
           #endif
         }
       }
-      void onMeshUpdate(const uint8_t xpos, const uint8_t ypos, const float zval) {
-        UNUSED(xpos); UNUSED(ypos); UNUSED(zval);
-      }
     #endif
   #endif
 
diff --git a/Marlin/src/lcd/extensible_ui/ui_api.h b/Marlin/src/lcd/extensible_ui/ui_api.h
index 1ae2ebd4c..7676107a2 100644
--- a/Marlin/src/lcd/extensible_ui/ui_api.h
+++ b/Marlin/src/lcd/extensible_ui/ui_api.h
@@ -138,7 +138,7 @@ namespace ExtUI {
       float getMeshPoint(const xy_uint8_t &pos);
       void setMeshPoint(const xy_uint8_t &pos, const float zval);
       void onMeshUpdate(const uint8_t xpos, const uint8_t ypos, const float zval);
-      inline void onMeshUpdate(const xy_uint8_t &pos, const float zval) { setMeshPoint(pos, zval); }
+      inline void onMeshUpdate(const xy_uint8_t &pos, const float zval) { onMeshUpdate(pos.x, pos.y, zval); }
     #endif
   #endif
 
diff --git a/Marlin/src/lcd/extui_example.cpp b/Marlin/src/lcd/extui_example.cpp
index 4fec2745a..35a0215c3 100644
--- a/Marlin/src/lcd/extui_example.cpp
+++ b/Marlin/src/lcd/extui_example.cpp
@@ -88,6 +88,10 @@ namespace ExtUI {
     // This is called after the entire EEPROM has been read,
     // whether successful or not.
   }
+
+  void onMeshUpdate(const uint8_t xpos, const uint8_t ypos, const float zval) {
+    // This is called when any mesh points are updated
+  }
 }
 
 #endif // EXTUI_EXAMPLE && EXTENSIBLE_UI