From ec1763d3a9b602c9ae37612648d5e18e0a12bd1c Mon Sep 17 00:00:00 2001
From: ali kettab <aliket1435@gmail.com>
Date: Wed, 11 Oct 2023 11:14:06 +0100
Subject: [PATCH] Don't return invalid pixel size from GetPixelSize() under
 wxQt

---
 src/qt/font.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/qt/font.cpp b/src/qt/font.cpp
index 4ffa9d0844..1395a23104 100644
--- a/src/qt/font.cpp
+++ b/src/qt/font.cpp
@@ -394,7 +394,19 @@ double wxNativeFontInfo::GetFractionalPointSize() const
 
 wxSize wxNativeFontInfo::GetPixelSize() const
 {
-    return wxSize(0, m_qtFont.pixelSize());
+    // Note that QFont::pixelSize() returns -1 if the size was set with setPointSize().
+    // If so, fall back to QFontInfo::pixelSize() which returns the pixel size of the
+    // matched window system font.
+
+    int pixelSize = m_qtFont.pixelSize();
+
+    if ( pixelSize < 0 )
+    {
+        QFontInfo fontInfo(m_qtFont);
+        pixelSize = fontInfo.pixelSize();
+    }
+
+    return wxSize(0, pixelSize);
 }
 
 wxFontStyle wxNativeFontInfo::GetStyle() const