Initial release

engine/vendor/vst3sdk/vstgui4/vstgui/lib/cclipboard.cpp

@@ -0,0 +1,104 @@
+// 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
+
+#include "cclipboard.h"
+#include "platform/platformfactory.h"
+
+#include <string_view>
+
+namespace VSTGUI {
+namespace CClipboardDetail {
+
+//-----------------------------------------------------------------------------
+template<bool AsFile>
+struct StringDataPackage : IDataPackage
+{
+	StringDataPackage (std::string_view str) : str (str) {}
+
+	uint32_t getCount () const final { return 1; }
+	uint32_t getDataSize (uint32_t index) const final
+	{
+		return static_cast<uint32_t> (str.size ());
+	}
+	Type getDataType (uint32_t index) const final { return AsFile ? Type::kFilePath : Type::kText; }
+	uint32_t getData (uint32_t index, const void*& buffer, Type& type) const final
+	{
+		buffer = str.data ();
+		type = getDataType (index);
+		return getDataSize (index);
+	}
+
+	std::string str;
+};
+
+//-----------------------------------------------------------------------------
+template<bool AsFile>
+Optional<UTF8String> getString (IDataPackage* cb)
+{
+	for (auto i = 0u, count = cb->getCount (); i < count; i++)
+	{
+		if (cb->getDataType (i) == (AsFile ? IDataPackage::Type::kFilePath
+										   : IDataPackage::Type::kText))
+		{
+			IDataPackage::Type type;
+			const void* data = nullptr;
+			auto size = cb->getData (i, data, type);
+			if (size > 0)
+			{
+				return {UTF8String (std::string (static_cast<const char*> (data), size))};
+			}
+		}
+	}
+	return {};
+}
+
+} // CClipboardDetail
+
+//-----------------------------------------------------------------------------
+SharedPointer<IDataPackage> CClipboard::get ()
+{
+	return getPlatformFactory ().getClipboard ();
+}
+
+//-----------------------------------------------------------------------------
+bool CClipboard::set (const SharedPointer<IDataPackage>& data)
+{
+	return getPlatformFactory ().setClipboard (data);
+}
+
+//-----------------------------------------------------------------------------
+bool CClipboard::setString (UTF8StringPtr str)
+{
+	return set (makeOwned<CClipboardDetail::StringDataPackage<false>> (
+		std::string_view (str, strlen (str))));
+}
+
+//-----------------------------------------------------------------------------
+bool CClipboard::setFilePath (UTF8StringPtr str)
+{
+	return set (makeOwned<CClipboardDetail::StringDataPackage<true>> (
+		std::string_view (str, strlen (str))));
+}
+
+//-----------------------------------------------------------------------------
+Optional<UTF8String> CClipboard::getString ()
+{
+	if (auto cb = get ())
+	{
+		return CClipboardDetail::getString<false> (cb);
+	}
+	return {};
+}
+
+//-----------------------------------------------------------------------------
+Optional<UTF8String> CClipboard::getFilePath ()
+{
+	if (auto cb = get ())
+	{
+		return CClipboardDetail::getString<true> (cb);
+	}
+	return {};
+}
+
+} // VSTGUI