Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/uidescription/iuidescriptionaddon.h

@@ -0,0 +1,64 @@
+// This file is part of VSTGUI. It is subject to the license terms
+// in the LICENSE file found in the top-level directory of this
+// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
+
+#pragma once
+
+#include "iuidescription.h"
+
+//------------------------------------------------------------------------
+namespace VSTGUI {
+
+//------------------------------------------------------------------------
+struct IUIDescriptionAddOn
+{
+	virtual ~IUIDescriptionAddOn () noexcept = default;
+
+	/** called after the desc was parsed */
+	virtual void afterParsing (IUIDescription* desc) = 0;
+	/** called before the desc is saved */
+	virtual void beforeSaving (IUIDescription* desc) = 0;
+	/** called when the desc is going to be destroyed */
+	virtual void onDestroy (IUIDescription* desc) = 0;
+
+	using CreateTemplateViewFunc =
+		std::function<CView*(UTF8StringPtr name, IController* controller)>;
+	/** called when a new template view should be created. The provided CreateTemplateViewFunc can
+	 *	be used to create the view in a normal way
+	 */
+	virtual CreateTemplateViewFunc onCreateTemplateView (const IUIDescription* desc,
+														 const CreateTemplateViewFunc& f) = 0;
+
+	/** the add-on can wrap the view factory or return the original one if not needed */
+	virtual IViewFactory* getViewFactory (IUIDescription* desc, IViewFactory* originalFactory) = 0;
+
+	/** called when the desc is going into edit mode */
+	virtual void onEditingStart (IUIDescription* desc) = 0;
+	/** called when the desc is going out of edit mode */
+	virtual void onEditingEnd (IUIDescription* desc) = 0;
+};
+
+//------------------------------------------------------------------------
+struct UIDescriptionAddOnAdapter : IUIDescriptionAddOn
+{
+	void afterParsing (IUIDescription* desc) override {}
+	void beforeSaving (IUIDescription* desc) override {}
+	void onDestroy (IUIDescription* desc) override {}
+	CreateTemplateViewFunc onCreateTemplateView (const IUIDescription* desc,
+												 const CreateTemplateViewFunc& f) override
+	{
+		return [=] (UTF8StringPtr name, IController* controller) {
+			return f (name, controller);
+		};
+	}
+	IViewFactory* getViewFactory (IUIDescription* desc, IViewFactory* originalFactory) override
+	{
+		return originalFactory;
+	}
+
+	void onEditingStart (IUIDescription* desc) override {}
+	void onEditingEnd (IUIDescription* desc) override {}
+};
+
+//------------------------------------------------------------------------
+} // VSTGUI