From 5632ad65f59710ca64e4abca99afa64cb99d559e Mon Sep 17 00:00:00 2001
From: Scott Lahteine <thinkyhead@users.noreply.github.com>
Date: Fri, 25 Mar 2022 17:09:26 -0500
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20Fix=20status=5Fprintf=20alert=20?=
 =?UTF-8?q?level?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 Marlin/src/lcd/marlinui.cpp | 39 ++++++++++++++++++++-----------------
 Marlin/src/lcd/marlinui.h   |  2 +-
 2 files changed, 22 insertions(+), 19 deletions(-)

diff --git a/Marlin/src/lcd/marlinui.cpp b/Marlin/src/lcd/marlinui.cpp
index 11b523ff53..9e27dc6006 100644
--- a/Marlin/src/lcd/marlinui.cpp
+++ b/Marlin/src/lcd/marlinui.cpp
@@ -1487,9 +1487,12 @@ void MarlinUI::init() {
 
   #include <stdarg.h>
 
-  void MarlinUI::status_printf(const uint8_t level, FSTR_P const fmt, ...) {
+  void MarlinUI::status_printf(int8_t level, FSTR_P const fmt, ...) {
+    // Alerts block lower priority messages
+    if (level < 0) level = alert_level = 0;
     if (level < alert_level) return;
     alert_level = level;
+
     va_list args;
     va_start(args, FTOP(fmt));
     vsnprintf_P(status_message, MAX_MESSAGE_LENGTH, FTOP(fmt), args);
@@ -1551,7 +1554,22 @@ void MarlinUI::init() {
 
   #endif
 
-#endif
+#else // !HAS_STATUS_MESSAGE
+
+  //
+  // Send the status line as a host notification
+  //
+  void MarlinUI::set_status(const char * const cstr, const bool) {
+    TERN(HOST_PROMPT_SUPPORT, hostui.notify(cstr), UNUSED(cstr));
+  }
+  void MarlinUI::set_status(FSTR_P const fstr, const int8_t) {
+    TERN(HOST_PROMPT_SUPPORT, hostui.notify(fstr), UNUSED(fstr));
+  }
+  void MarlinUI::status_printf(int8_t, FSTR_P const fstr, ...) {
+    TERN(HOST_PROMPT_SUPPORT, hostui.notify(fstr), UNUSED(fstr));
+  }
+
+#endif // !HAS_STATUS_MESSAGE
 
 #if HAS_DISPLAY
 
@@ -1663,22 +1681,7 @@ void MarlinUI::init() {
 
   #endif
 
-#elif !HAS_STATUS_MESSAGE // && !HAS_DISPLAY
-
-  //
-  // Send the status line as a host notification
-  //
-  void MarlinUI::set_status(const char * const cstr, const bool) {
-    TERN(HOST_PROMPT_SUPPORT, hostui.notify(cstr), UNUSED(cstr));
-  }
-  void MarlinUI::set_status(FSTR_P const fstr, const int8_t) {
-    TERN(HOST_PROMPT_SUPPORT, hostui.notify(fstr), UNUSED(fstr));
-  }
-  void MarlinUI::status_printf(const uint8_t, FSTR_P const fstr, ...) {
-    TERN(HOST_PROMPT_SUPPORT, hostui.notify(fstr), UNUSED(fstr));
-  }
-
-#endif // !HAS_DISPLAY && !HAS_STATUS_MESSAGE
+#endif // HAS_DISPLAY
 
 #if ENABLED(SDSUPPORT)
 
diff --git a/Marlin/src/lcd/marlinui.h b/Marlin/src/lcd/marlinui.h
index 30c22188e4..7a6b3992b4 100644
--- a/Marlin/src/lcd/marlinui.h
+++ b/Marlin/src/lcd/marlinui.h
@@ -365,7 +365,7 @@ public:
 
   static void set_status(const char * const cstr, const bool persist=false);
   static void set_status(FSTR_P const fstr, const int8_t level=0);
-  static void status_printf(const uint8_t level, FSTR_P const fmt, ...);
+  static void status_printf(int8_t level, FSTR_P const fmt, ...);
 
   #if HAS_DISPLAY