Method processEvent

src/SFML/Window/Unix/ClipboardImpl.cpp:191–387

///////////////////////////////////////////////////////

////////////////////////////////////////////////////////////
void ClipboardImpl::processEvent(XEvent& windowEvent)
{
    switch (windowEvent.type)
    {
        case SelectionClear:
        {
            // We don't have any resources we need to clean up
            // when losing selection ownership so we don't do
            // anything when we receive SelectionClear
            // We will still respond to any future SelectionRequest
            // events since doing so doesn't really do any harm
            break;
        }
        case SelectionNotify:
        {
            // Notification that the current selection owner
            // has responded to our request

            const XSelectionEvent& selectionEvent = windowEvent.xselection;

            m_clipboardContents.clear();

            // If retrieving the selection fails or conversion is unsuccessful
            // we leave the contents of the clipboard empty since we don't
            // own it and we don't know what it could currently be
            if ((selectionEvent.property == None) || (selectionEvent.selection != m_clipboard))
                break;

            Atom           type           = 0;
            int            format         = 0;
            unsigned long  items          = 0;
            unsigned long  remainingBytes = 0;
            unsigned char* data           = nullptr;

            // The selection owner should have wrote the selection
            // data to the specified window property
            const int result = XGetWindowProperty(m_display.get(),
                                                  m_window,
                                                  m_targetProperty,
                                                  0,
                                                  0x7fffffff,
                                                  False,
                                                  AnyPropertyType,
                                                  &type,
                                                  &format,
                                                  &items,
                                                  &remainingBytes,
                                                  &data);

            if (result == Success)
            {
                // We don't support INCR for now
                // It is very unlikely that this will be returned
                // for purely text data transfer anyway
                if (type != getAtom("INCR", false))
                {
                    // Only copy the data if the format is what we expect
                    if ((type == m_utf8String) && (format == 8))