Initial release

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

@@ -0,0 +1,70 @@
+// 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 "../lib/vstguifwd.h"
+#include "iuidescription.h"
+#include "iviewfactory.h"
+#include "iviewcreator.h"
+
+namespace VSTGUI {
+
+//-----------------------------------------------------------------------------
+/// @brief Default view factory
+///	@ingroup new_in_4_0
+//-----------------------------------------------------------------------------
+class UIViewFactory : public NonAtomicReferenceCounted, public IViewFactory
+#if VSTGUI_LIVE_EDITING
+, public IViewFactoryEditingSupport
+#endif
+{
+public:
+	UIViewFactory ();
+	~UIViewFactory () noexcept override = default;
+
+	// IViewFactory
+	CView* createView (const UIAttributes& attributes, const IUIDescription* description) const override;
+	bool applyAttributeValues (CView* view, const UIAttributes& attributes, const IUIDescription* desc) const override;
+	bool applyCustomViewAttributeValues (CView* customView, IdStringPtr baseViewName, const UIAttributes& attributes, const IUIDescription* desc) const override;
+	bool getAttributeValue (CView* view, const std::string& attributeName, std::string& stringValue,
+							const IUIDescription* desc) const override;
+	bool viewIsTypeOf (CView* view, const std::string& typeName) const override;
+
+	static void registerViewCreator (const IViewCreator& viewCreator);
+	static void unregisterViewCreator (const IViewCreator& viewCreator);
+
+#if VSTGUI_LIVE_EDITING
+	using StringPtrList = std::list<const std::string*>;
+	using StringList = std::list<std::string>;
+	using ViewAndDisplayNameList = std::list<std::pair<const std::string*, const std::string>>;
+
+	bool getAttributeNamesForView (CView* view, StringList& attributeNames) const override;
+	IViewCreator::AttrType getAttributeType (CView* view, const std::string& attributeName) const override;
+	void collectRegisteredViewNames (StringPtrList& viewNames, IdStringPtr baseClassNameFilter = nullptr) const override;
+	bool getAttributesForView (CView* view, const IUIDescription* desc, UIAttributes& attr) const override;
+	// list type support
+	bool getPossibleAttributeListValues (CView* view, const std::string& attributeName, StringPtrList& values) const override;
+	bool getAttributeValueRange (CView* view, const std::string& attributeName, double& minValue, double& maxValue) const override;
+
+	ViewAndDisplayNameList collectRegisteredViewAndDisplayNames (IdStringPtr baseClassNameFilter = nullptr) const override;
+	UTF8StringPtr getViewDisplayName (CView* view) const override;
+
+#if ENABLE_UNIT_TESTS
+	bool disableRememberAttributes {false};
+#endif
+#endif
+
+protected:
+	void evaluateAttributesAndRemember (CView* view, const UIAttributes& attributes, UIAttributes& evaluatedAttributes, const IUIDescription* description) const;
+	CView* createViewByName (const std::string* className, const UIAttributes& attributes, const IUIDescription* description) const;
+
+#if VSTGUI_LIVE_EDITING
+	static size_t createHash (const std::string& str);
+	void rememberAttribute (CView* view, IdStringPtr attrName, const std::string& value) const;
+	bool getRememberedAttribute (CView* view, IdStringPtr attrName, std::string& value) const;
+#endif
+};
+
+} // VSTGUI