initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/include/wx/msw/private/metrics.h

@@ -0,0 +1,43 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/msw/private/metrics.h
+// Purpose:     various helper functions to retrieve system metrics
+// Author:      Vadim Zeitlin
+// Created:     2008-09-05
+// Copyright:   (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef _WX_MSW_PRIVATE_METRICS_H_
+#define _WX_MSW_PRIVATE_METRICS_H_
+
+#include "wx/msw/private.h"
+
+namespace wxMSWImpl
+{
+
+// return NONCLIENTMETRICS as retrieved by SystemParametersInfo()
+//
+// currently this is not cached as the values may change when system settings
+// do and we don't react to this to invalidate the cache but it could be done
+// in the future
+//
+// MT-safety: this function is only meant to be called from the main thread
+inline const NONCLIENTMETRICS GetNonClientMetrics(const wxWindow* win)
+{
+    WinStruct<NONCLIENTMETRICS> nm;
+    if ( !wxSystemParametersInfo(SPI_GETNONCLIENTMETRICS,
+                                 sizeof(NONCLIENTMETRICS),
+                                 &nm,
+                                 0,
+                                 win) )
+    {
+        wxLogLastError(wxT("SystemParametersInfo(SPI_GETNONCLIENTMETRICS)"));
+    }
+
+    return nm;
+}
+
+} // namespace wxMSWImpl
+
+#endif // _WX_MSW_PRIVATE_METRICS_H_
+