fix embarrassing bug wrt High-DPI fonts

1 files changed, 29 insertions, 0 deletions

diff --git a/alf/alfcompat.h b/alf/alfcompat.h
index 846590c..ba315e1 100644
--- a/alf/alfcompat.h
+++ b/alf/alfcompat.h
@@ -17,6 +17,35 @@ typedef struct {
 } ALFCompatFunctions;
 
 
+typedef struct {
+    UINT    cbSize;
+    int     iBorderWidth;
+    int     iScrollWidth;
+    int     iScrollHeight;
+    int     iCaptionWidth;
+    int     iCaptionHeight;
+    LOGFONT lfCaptionFont;
+    int     iSmCaptionWidth;
+    int     iSmCaptionHeight;
+    LOGFONT lfSmCaptionFont;
+    int     iMenuWidth;
+    int     iMenuHeight;
+    LOGFONT lfMenuFont;
+    LOGFONT lfStatusFont;
+    LOGFONT lfMessageFont;
+    int     iPaddedBorderWidth; // new in Vista
+} ALF_NONCLIENTMETRICS_VISTA;
+
+static inline SIZE_T
+ALF_SizeOf_NONCLIENTMETRICS(void)
+{
+    if (LOBYTE(LOWORD(GetVersion())) >= 6) {
+        return sizeof(ALF_NONCLIENTMETRICS_VISTA);
+    } else {
+        return sizeof(ALF_NONCLIENTMETRICS_VISTA) - sizeof(int);
+    }
+}
+
 ALFCompatFunctions *
 ALF_CreateCompatFuncTable(void);