--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DPF-Prymula-audioplugins/dpf/distrho/DistrhoUI_macOS.mm	Mon Oct 16 21:53:34 2023 +0200
@@ -0,0 +1,54 @@
+/*
+ * DISTRHO Plugin Framework (DPF)
+ * Copyright (C) 2012-2022 Filipe Coelho <falktx@falktx.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any purpose with
+ * or without fee is hereby granted, provided that the above copyright notice and this
+ * permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
+ * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+ * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+// A few utils declared in DistrhoUI.cpp but defined here because they use Obj-C
+
+#include "DistrhoDetails.hpp"
+#include "src/DistrhoPluginChecks.h"
+#include "src/DistrhoDefines.h"
+
+#if DISTRHO_UI_FILE_BROWSER || DISTRHO_PLUGIN_HAS_EXTERNAL_UI
+# import <Cocoa/Cocoa.h>
+#endif
+
+#if DISTRHO_UI_FILE_BROWSER
+# define DISTRHO_FILE_BROWSER_DIALOG_HPP_INCLUDED
+# define FILE_BROWSER_DIALOG_NAMESPACE DISTRHO_NAMESPACE
+# define FILE_BROWSER_DIALOG_DISTRHO_NAMESPACE
+START_NAMESPACE_DISTRHO
+# include "extra/FileBrowserDialogImpl.hpp"
+END_NAMESPACE_DISTRHO
+# include "extra/FileBrowserDialogImpl.cpp"
+#endif
+
+#if DISTRHO_PLUGIN_HAS_EXTERNAL_UI
+# include <algorithm>
+# include <cmath>
+START_NAMESPACE_DISTRHO
+double getDesktopScaleFactor(const uintptr_t parentWindowHandle)
+{
+    // allow custom scale for testing
+    if (const char* const scale = getenv("DPF_SCALE_FACTOR"))
+        return std::max(1.0, std::atof(scale));
+
+    if (NSView* const parentView = (NSView*)parentWindowHandle)
+        if (NSWindow* const parentWindow = [parentView window])
+           return [parentWindow screen].backingScaleFactor;
+
+    return [NSScreen mainScreen].backingScaleFactor;
+}
+END_NAMESPACE_DISTRHO
+#endif