From 7cf66b56eed33f193fc81003aa421167036fe268 Mon Sep 17 00:00:00 2001
From: tildearrow <me@tildearrow.org>
Date: Sun, 7 Sep 2025 18:22:14 -0500
Subject: [PATCH] GUI: load fallback fonts in header font

issue #2400
---
 src/gui/settings.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/gui/settings.cpp b/src/gui/settings.cpp
index 173eb958b..c05cd678b 100644
--- a/src/gui/settings.cpp
+++ b/src/gui/settings.cpp
@@ -6761,7 +6761,7 @@ void FurnaceGUI::applyUISettings(bool updateFonts) {
               logW("could not load header font! reverting to default font");
               settings.headFont=0;
               if ((headFont=addFontZlib(builtinFont[settings.headFont],builtinFontLen[settings.headFont],MAX(1,e->getConfInt("headFontSize",27)*dpiScale),&fontConfH))==NULL) {
-                logE("could not load header font! falling back to IBM Plex Sans.");
+                logE("could not load header font! falling back to fallback. wahahaha, get it? fallback.");
                 headFont=ImGui::GetIO().Fonts->AddFontDefault();
               }
             }
@@ -6775,6 +6775,14 @@ void FurnaceGUI::applyUISettings(bool updateFonts) {
       }
     }
 
+    // four fallback fonts
+    if (settings.loadFallback) {
+      headFont=addFontZlib(font_plexSans_compressed_data,font_plexSans_compressed_size,MAX(1,e->getConfInt("headFontSize",27)*dpiScale),&fc1);
+      headFont=addFontZlib(font_plexSansJP_compressed_data,font_plexSansJP_compressed_size,MAX(1,e->getConfInt("headFontSize",27)*dpiScale),&fc1);
+      headFont=addFontZlib(font_plexSansKR_compressed_data,font_plexSansKR_compressed_size,MAX(1,e->getConfInt("headFontSize",27)*dpiScale),&fc1);
+      headFont=addFontZlib(font_unifont_compressed_data,font_unifont_compressed_size,MAX(1,e->getConfInt("headFontSize",27)*dpiScale),&fc1);
+    }
+
     mainFont->FallbackChar='?';
     mainFont->EllipsisChar='.';
     //mainFont->EllipsisCharCount=3;