90 lines
2.8 KiB
C++
90 lines
2.8 KiB
C++
// This file is part of VSTGUI. It is subject to the license terms
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// in the LICENSE file found in the top-level directory of this
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// distribution and at http://github.com/steinbergmedia/vstgui/LICENSE
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#include "cdropsource.h"
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namespace VSTGUI {
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//-----------------------------------------------------------------------------
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CDropSource::CDropEntry::CDropEntry (const void* inBuffer, uint32_t inBufferSize, Type inType)
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: type (inType)
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{
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buffer.allocate (inBufferSize);
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if (buffer.get ())
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memcpy (buffer.get (), inBuffer, buffer.size ());
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}
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//-----------------------------------------------------------------------------
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CDropSource::CDropEntry::CDropEntry (const CDropEntry& entry)
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: type (entry.type)
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{
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buffer.allocate (entry.buffer.size ());
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if (buffer.get ())
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memcpy (buffer.get (), entry.buffer.get (), buffer.size ());
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}
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//-----------------------------------------------------------------------------
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CDropSource::CDropEntry::CDropEntry (CDropEntry&& entry) noexcept
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{
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buffer = std::move (entry.buffer);
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type = entry.type;
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entry.type = kError;
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}
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//-----------------------------------------------------------------------------
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CDropSource::CDropSource ()
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{
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}
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//-----------------------------------------------------------------------------
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CDropSource::CDropSource (const void* buffer, uint32_t bufferSize, Type type)
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{
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add (buffer, bufferSize, type);
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}
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//-----------------------------------------------------------------------------
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bool CDropSource::add (const void* buffer, uint32_t bufferSize, Type type)
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{
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if (entries.size () == entries.max_size ())
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return false;
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entries.emplace_back (buffer, bufferSize, type);
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return true;
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}
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//-----------------------------------------------------------------------------
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uint32_t CDropSource::getCount () const
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{
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return static_cast<uint32_t> (entries.size ());
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}
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//-----------------------------------------------------------------------------
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uint32_t CDropSource::getDataSize (uint32_t index) const
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{
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return index < getCount () ? static_cast<uint32_t> (entries[index].buffer.size ()) : 0;
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}
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//-----------------------------------------------------------------------------
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CDropSource::Type CDropSource::getDataType (uint32_t index) const
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{
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return index < getCount () ? entries[index].type : kError;
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}
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//-----------------------------------------------------------------------------
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uint32_t CDropSource::getData (uint32_t index, const void*& buffer, Type& type) const
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{
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if (index >= getCount ())
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return 0;
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buffer = entries[index].buffer.get ();
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type = entries[index].type;
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return static_cast<uint32_t> (entries[index].buffer.size ());
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}
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//-----------------------------------------------------------------------------
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SharedPointer<IDataPackage> CDropSource::create (const void* buffer, uint32_t bufferSize, Type type)
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{
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return makeOwned<CDropSource> (buffer, bufferSize, type);
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}
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} // VSTGUI
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