No focus on new messages if auto-carousel is off (#5881)

* no focus on messages if screen carousel is disabled

* trunk + comment

* compacted the nested if using ternary operator

* trunk

src/graphics/Screen.cpp

@@ -2662,14 +2662,13 @@ int Screen::handleStatusUpdate(const meshtastic::Status *arg)
 
 int Screen::handleTextMessage(const meshtastic_MeshPacket *packet)
 {
-    if (showingNormalScreen) {
-        // Outgoing message
-        if (packet->from == 0)
-            setFrames(FOCUS_PRESERVE); // Return to same frame (quietly hiding the rx text message frame)
+    // If auto carousel is disabled -> return 0 and skip new messages handling
+    if (config.display.auto_screen_carousel_secs == 0)
+        return 0;
 
-        // Incoming message
-        else
-            setFrames(FOCUS_TEXTMESSAGE); // Focus on the new message
+    // Handle focus change based on message type
+    if (showingNormalScreen) {
+        setFrames(packet->from == 0 ? FOCUS_PRESERVE : FOCUS_TEXTMESSAGE);
     }
 
     return 0;
@@ -2756,4 +2755,4 @@ int Screen::handleAdminMessage(const meshtastic_AdminMessage *arg)
 } // namespace graphics
 #else
 graphics::Screen::Screen(ScanI2C::DeviceAddress, meshtastic_Config_DisplayConfig_OledType, OLEDDISPLAY_GEOMETRY) {}
-#endif // HAS_SCREEN
+#endif // HAS_SCREEN