From 37fe446a585229e04016078c9d65289b9c3617b6 Mon Sep 17 00:00:00 2001
From: Carter Li <zhangsongcui@live.cn>
Date: Thu, 1 Jan 2026 22:52:03 +0800
Subject: [PATCH] TerminalFont (Linux): supports cosmic-term

---
 .../terminalfont/terminalfont_linux.c         | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/src/detection/terminalfont/terminalfont_linux.c b/src/detection/terminalfont/terminalfont_linux.c
index 3dca397ca..7eb8c2cef 100644
--- a/src/detection/terminalfont/terminalfont_linux.c
+++ b/src/detection/terminalfont/terminalfont_linux.c
@@ -454,6 +454,32 @@ static void detectUrxvt(FFTerminalFontResult* terminalFont)
     }
 }
 
+static bool detectCosmicTerm(FFTerminalFontResult* terminalFont)
+{
+    FF_STRBUF_AUTO_DESTROY fontName = ffStrbufCreate();
+    FF_STRBUF_AUTO_DESTROY fontSize = ffStrbufCreate();
+
+    FF_STRBUF_AUTO_DESTROY path = ffStrbufCreateCopy(&instance.state.platform.homeDir);
+    ffStrbufAppendS(&path, ".config/cosmic/com.system76.CosmicTerm/v1/");
+    uint32_t baseLen = path.length;
+
+    ffStrbufAppendS(&path, "font_name");
+    ffReadFileBuffer(path.chars, &fontName);
+    ffStrbufTrim(&path, '"');
+    ffStrbufSubstrBefore(&path, baseLen);
+    if (fontName.length == 0) ffStrbufSetStatic(&fontName, "Noto Sans Mono");
+
+    ffStrbufAppendS(&path, "font_size");
+    if (ffReadFileBuffer(path.chars, &fontSize))
+        ffStrbufAppendS(&fontSize, "px");
+    ffStrbufSubstrBefore(&path, baseLen);
+    if (fontSize.length == 0) ffStrbufSetStatic(&fontSize, "14px");
+
+    ffFontInitValues(&terminalFont->font, fontName.chars, fontSize.chars);
+
+    return true;
+}
+
 #ifdef __HAIKU__
 static void detectHaikuTerminal(FFTerminalFontResult* terminalFont)
 {
@@ -513,6 +539,8 @@ ffDetectTerminalFontPlatform
         detectTerminator(terminalFont);
     else if(ffStrbufStartsWithIgnCaseS(&terminal->processName, "sakura"))
         detectFromConfigFile("sakura/sakura.conf", "font=", terminalFont);
+    else if(ffStrbufStartsWithIgnCaseS(&terminal->processName, "cosmic-term"))
+        detectCosmicTerm(terminalFont);
     #ifdef __HAIKU__
     else if(ffStrbufStartsWithIgnCaseS(&terminal->processName, "Terminal"))
         detectHaikuTerminal(terminalFont);