From 261902fcae887249ffa03114e49afdef85fb4442 Mon Sep 17 00:00:00 2001
From: Jonas Kümmerlin <jonas@kuemmerlin.eu>
Date: Tue, 1 Jan 2019 22:12:51 +0100
Subject: first try at combobox implementation

---
 alf/alfcompat.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'alf/alfcompat.cpp')

diff --git a/alf/alfcompat.cpp b/alf/alfcompat.cpp
index e6a9851..269b9f4 100644
--- a/alf/alfcompat.cpp
+++ b/alf/alfcompat.cpp
@@ -123,3 +123,14 @@ ALF_CreateCompatFuncTable(void)
 
     return compatfn;
 }
+
+long
+ALF_GetAveCharWidth(HDC hdc)
+{
+    // see: HOWTO: Calculate Dialog Units When Not Using the System Font
+
+    SIZE s;
+    GetTextExtentPoint32A(hdc, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz", 52, &s);
+
+    return (s.cx / 26 + 1) / 2;
+}
-- 
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