private void HandleSelectionRequest(XSelectionRequestEvent evt)
{
XEvent retEvent = new XEvent();
retEvent.type = XEventName.SelectionNotify;
retEvent.SelectionEvent.display = evt.display;
retEvent.SelectionEvent.requestor = evt.requestor;
retEvent.SelectionEvent.selection = evt.selection;
retEvent.SelectionEvent.time = evt.time;
retEvent.SelectionEvent.target = evt.target;
retEvent.SelectionEvent.property = evt.property;
if (evt.target == atomTargets)
{
HandleTargetRequest(evt);
}
if (IsFormatText(evt.target))
{
HandleRequestString(evt);
}
if (IsFormatImage(evt.target))
{
HandleRequestImage(evt);
}
XSendEvent(xConnection.XDisplay, retEvent.SelectionEvent.requestor, false, 0, ref retEvent);
}
private void HandleRequestImage(XSelectionRequestEvent evt)
{
if (copiedData == null || copiedData.DataType != ClipboardDataType.Image)
{
ISLogger.Write("{0}: cannot handle text request: Copied data is not image", ModuleName);
return;
}
ClipboardImageData data = (ClipboardImageData)copiedData;
XChangeProperty(xConnection.XDisplay, evt.requestor, evt.property, atomImagePng, 8, 0, data.ImageData, data.ImageData.Length);
}
private void HandleRequestString(XSelectionRequestEvent evt)
{
if (copiedData == null || copiedData.DataType != ClipboardDataType.Text)
{
ISLogger.Write("{0}: cannot handle text request: Copied data is not text", ModuleName);
return;
}
ClipboardTextData data = (ClipboardTextData)copiedData;
XChangeProperty(xConnection.XDisplay, evt.requestor, evt.property, atomUtf8String, 8, 0, Encoding.UTF8.GetBytes(data.Text), data.Text.Length);
}
private void HandleTargetRequest(XSelectionRequestEvent evt)
{
if (copiedData == null)
{
ISLogger.Write("Ignoring target request... no data is copied");
return;
}
byte[] raw = new byte[0];
if (copiedData.DataType == ClipboardDataType.Text)
{
raw = GetAtomsBytesText();
}
else if (copiedData.DataType == ClipboardDataType.Image)
{
raw = GetAtomsBytesImage();
}
XChangeProperty(xConnection.XDisplay, evt.requestor, evt.property, new IntPtr(4), 32, 0, raw, 1);
}
