From 132aa835cd8492900b9af9bc89f6cd1e25ad4635 Mon Sep 17 00:00:00 2001
From: kdmukai <kdmukai@gmail.com>
Date: Mon, 9 Dec 2024 15:58:39 -0600
Subject: [PATCH] Mow Units no rounding!

---
 lib/btclock/data_handler.cpp | 11 +++++++++--
 lib/btclock/utils.cpp        | 24 +++++++++++++++++++++---
 2 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/lib/btclock/data_handler.cpp b/lib/btclock/data_handler.cpp
index b489bb8..eaf4538 100644
--- a/lib/btclock/data_handler.cpp
+++ b/lib/btclock/data_handler.cpp
@@ -73,7 +73,7 @@ std::array<std::string, NUM_SCREENS> parsePriceData(std::uint32_t price, char cu
     std::string priceString;
     if (std::to_string(price).length() >= NUM_SCREENS || useSuffixFormat)
     {
-        int numScreens = shareDot && !mowMode ? NUM_SCREENS - 1 : NUM_SCREENS - 2;
+        int numScreens = shareDot || mowMode ? NUM_SCREENS - 1 : NUM_SCREENS - 2;
         priceString = getCurrencySymbol(currencySymbol) + formatNumberWithSuffix(price, numScreens, mowMode);
     }
     else
@@ -85,7 +85,14 @@ std::array<std::string, NUM_SCREENS> parsePriceData(std::uint32_t price, char cu
     {
         priceString.insert(priceString.begin(), NUM_SCREENS - priceString.length(), ' ');
 
-        ret[0] = "BTC/" + getCurrencyCode(currencySymbol);
+        if (mowMode)
+        {
+            ret[0] = "MOW/UNITS";
+        }
+        else
+        {
+            ret[0] = "BTC/" + getCurrencyCode(currencySymbol);
+        }
 
 
         firstIndex = 1;
diff --git a/lib/btclock/utils.cpp b/lib/btclock/utils.cpp
index 9056d14..45dfdd2 100644
--- a/lib/btclock/utils.cpp
+++ b/lib/btclock/utils.cpp
@@ -1,4 +1,5 @@
 #include "utils.hpp"
+#include <iostream>
 
 int modulo(int x, int N)
 {
@@ -83,14 +84,31 @@ std::string formatNumberWithSuffix(std::uint64_t num, int numCharacters, bool mo
     }
 
     // Add suffix
-    int len = snprintf(result, sizeof(result), "%.0f%c", numDouble, suffix);
+    int len;
+
+    // Mow Mode always uses string truncation to avoid rounding
+    std::string mowAsString = std::to_string(numDouble);
+    if (mowMode) {
+        // Default to one decimal place
+        len = snprintf(result, sizeof(result), "%s%c", mowAsString.substr(0, mowAsString.find(".") + 2).c_str(), suffix);
+    }
+    else
+    {
+        len = snprintf(result, sizeof(result), "%.0f%c", numDouble, suffix);
+    }
 
     // If there's room, add more decimal places
     if (len < numCharacters)
     {
         int restLen = mowMode ? numCharacters - len : numCharacters - len - 1;
-        
-        snprintf(result, sizeof(result), "%.*f%c", restLen, numDouble, suffix);
+
+        if (mowMode) {
+            snprintf(result, sizeof(result), "%s%c", mowAsString.substr(0, mowAsString.find(".") + 2 + restLen).c_str(), suffix);
+        }
+        else
+        {
+            snprintf(result, sizeof(result), "%.*f%c", restLen, numDouble, suffix);
+        }
     }
 
     return result;