From 273579bc32ed71879c3e1f034761f623c4c33219 Mon Sep 17 00:00:00 2001
From: spycrab <spycrab@users.noreply.github.com>
Date: Thu, 10 May 2018 13:40:53 +0200
Subject: [PATCH] Qt/Win32: Fix font weight calculation

---
 Source/Core/DolphinQt2/Main.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Source/Core/DolphinQt2/Main.cpp b/Source/Core/DolphinQt2/Main.cpp
index 6b1dda6f78..eb49052642 100644
--- a/Source/Core/DolphinQt2/Main.cpp
+++ b/Source/Core/DolphinQt2/Main.cpp
@@ -98,7 +98,7 @@ int main(int argc, char* argv[])
 #ifdef _WIN32
   // Get the default system font because Qt's way of obtaining it is outdated
   NONCLIENTMETRICS metrics = {};
-  auto& logfont = metrics.lfMenuFont;
+  LOGFONT& logfont = metrics.lfMenuFont;
   metrics.cbSize = sizeof(NONCLIENTMETRICS);
 
   if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(metrics), &metrics, 0))
@@ -107,7 +107,12 @@ int main(int argc, char* argv[])
     // thing
     QFont font = QApplication::font();
     font.setFamily(QString::fromStdString(UTF16ToUTF8(logfont.lfFaceName)));
-    font.setWeight(logfont.lfWeight);
+
+    // LOGFONT uses a scale from 1 to 1000 to represent font weight while Qt uses a scale from 0
+    // to 99. LOGFONT also has a DONTCARE value which we have to ignore.
+    if (logfont.lfWeight != FW_DONTCARE)
+      font.setWeight((logfont.lfWeight / 10) - 1);
+
     font.setItalic(logfont.lfItalic);
     font.setStrikeOut(logfont.lfStrikeOut);
     font.setUnderline(logfont.lfUnderline);