button: make themed button always use unicode and do internal text handling

1 files changed, 17 insertions, 0 deletions

diff --git a/alf/alf.cpp b/alf/alf.cpp
index 917008a..25dcd21 100644
--- a/alf/alf.cpp
+++ b/alf/alf.cpp
@@ -124,6 +124,23 @@ ALF_BuildUniqueName(TCHAR *buf, const TCHAR *prefix, ULONG_PTR uniquifier)
 }
 
 void
+ALF_BuildUniqueNameW(WCHAR *buf, const WCHAR *prefix, ULONG_PTR uniquifier)
+{
+    int prefixlen = lstrlenW(prefix);
+    CopyMemory(buf, prefix, (SIZE_T)prefixlen * sizeof(*prefix));
+
+    int numlen = sizeof(LONG_PTR)*2;
+    int i = numlen - 1;
+    while (i >= 0) {
+        buf[prefixlen + i] = L"0123456789ABCDEF"[uniquifier & 0xf];
+        uniquifier >>= 4;
+        i--;
+    }
+
+    buf[prefixlen + numlen] = 0;
+}
+
+void
 ALF_DestroyWindow(HWND win)
 {
     DestroyWindow(win);