internal static void SetDataObjectImpl(object data, bool copy)
{
var converter = new XplatUI.ObjectToClipboard(ConvertToClipboardData);
var clipboard_handle = XplatUI.ClipboardOpen(false);
XplatUI.ClipboardStore(clipboard_handle, null, 0, null, copy); // Empty clipboard
if (data is IDataObject idata)
{
XplatUI.ClipboardStore(clipboard_handle, idata, DataFormats.GetFormat(IDataObjectFormat).Id, converter, copy);
}
else if (data is string text)
{
var tdata = new DataObject(DataFormats.UnicodeText, text);
XplatUI.ClipboardStore(clipboard_handle, tdata, DataFormats.GetFormat(IDataObjectFormat).Id, converter, copy);
}
else
{
var format = DataFormats.Format.Find(data.GetType().FullName);
var id = (format != null) && (format.Name != DataFormats.StringFormat) ? format.Id : -1;
XplatUI.ClipboardStore(clipboard_handle, data, id, converter, copy);
}
XplatUI.ClipboardClose(clipboard_handle);
}
// Assumes we are locked on the lock_object when it is called
private static void Init()
{
if (initialized)
{
return;
}
IntPtr cliphandle = XplatUI.ClipboardOpen(false);
new Format(Text, XplatUI.ClipboardGetID(cliphandle, Text));
new Format(Bitmap, XplatUI.ClipboardGetID(cliphandle, Bitmap));
new Format(MetafilePict, XplatUI.ClipboardGetID(cliphandle, MetafilePict));
new Format(SymbolicLink, XplatUI.ClipboardGetID(cliphandle, SymbolicLink));
new Format(Dif, XplatUI.ClipboardGetID(cliphandle, Dif));
new Format(Tiff, XplatUI.ClipboardGetID(cliphandle, Tiff));
new Format(OemText, XplatUI.ClipboardGetID(cliphandle, OemText));
new Format(Dib, XplatUI.ClipboardGetID(cliphandle, Dib));
new Format(Palette, XplatUI.ClipboardGetID(cliphandle, Palette));
new Format(PenData, XplatUI.ClipboardGetID(cliphandle, PenData));
new Format(Riff, XplatUI.ClipboardGetID(cliphandle, Riff));
new Format(WaveAudio, XplatUI.ClipboardGetID(cliphandle, WaveAudio));
new Format(UnicodeText, XplatUI.ClipboardGetID(cliphandle, UnicodeText));
new Format(EnhancedMetafile, XplatUI.ClipboardGetID(cliphandle, EnhancedMetafile));
new Format(FileDrop, XplatUI.ClipboardGetID(cliphandle, FileDrop));
new Format(Locale, XplatUI.ClipboardGetID(cliphandle, Locale));
new Format(CommaSeparatedValue, XplatUI.ClipboardGetID(cliphandle, CommaSeparatedValue));
new Format(Html, XplatUI.ClipboardGetID(cliphandle, Html));
new Format(Rtf, XplatUI.ClipboardGetID(cliphandle, Rtf));
new Format(Serializable, XplatUI.ClipboardGetID(cliphandle, Serializable));
new Format(StringFormat, XplatUI.ClipboardGetID(cliphandle, StringFormat));
XplatUI.ClipboardClose(cliphandle);
initialized = true;
}
internal static void SetDataObjectImpl(object data, bool copy)
{
IntPtr clipboard_handle;
XplatUI.ObjectToClipboard converter;
int native_format;
DataFormats.Format item_format;
converter = new XplatUI.ObjectToClipboard(ConvertToClipboardData);
clipboard_handle = XplatUI.ClipboardOpen(false);
XplatUI.ClipboardStore(clipboard_handle, null, 0, null); // Empty clipboard
native_format = -1;
if (data is IDataObject)
{
string[] formats;
IDataObject data_object = data as IDataObject;
formats = data_object.GetFormats();
for (int i = 0; i < formats.Length; i++)
{
item_format = DataFormats.GetFormat(formats[i]);
if ((item_format != null) && (item_format.Name != DataFormats.StringFormat))
{
native_format = item_format.Id;
}
object obj = data_object.GetData(formats [i]);
// this is used only by custom formats
if (IsDataSerializable(obj))
{
item_format.is_serializable = true;
}
XplatUI.ClipboardStore(clipboard_handle, obj, native_format, converter);
}
}
else
{
item_format = DataFormats.Format.Find(data.GetType().FullName);
if ((item_format != null) && (item_format.Name != DataFormats.StringFormat))
{
native_format = item_format.Id;
}
XplatUI.ClipboardStore(clipboard_handle, data, native_format, converter);
}
XplatUI.ClipboardClose(clipboard_handle);
}
internal static Format Add(string name)
{
Format f;
f = Find(name);
if (f == null)
{
IntPtr cliphandle;
cliphandle = XplatUI.ClipboardOpen(false);
f = new Format(name, XplatUI.ClipboardGetID(cliphandle, name));
XplatUI.ClipboardClose(cliphandle);
}
return(f);
}
internal static IDataObject GetDataObject(bool primary_selection)
{
DataObject clipboard;
IntPtr clipboard_handle;
int[] native_formats;
DataFormats.Format item_format;
object managed_clipboard_item;
XplatUI.ClipboardToObject converter;
converter = new XplatUI.ClipboardToObject(ConvertFromClipboardData);
clipboard_handle = XplatUI.ClipboardOpen(primary_selection);
native_formats = XplatUI.ClipboardAvailableFormats(clipboard_handle);
if (native_formats == null)
{
return(null); // Clipboard empty
}
// Build the IDataObject
clipboard = new DataObject();
for (int i = 0; i < native_formats.Length; i++)
{
// We might get a format we don't understand or know
item_format = DataFormats.GetFormat(native_formats[i]);
if (item_format != null)
{
managed_clipboard_item = XplatUI.ClipboardRetrieve(clipboard_handle, native_formats[i], converter);
if (managed_clipboard_item != null)
{
clipboard.SetData(item_format.Name, managed_clipboard_item);
// We don't handle 'bitmap' since it involves handles, so we'll equate it to dib
if (item_format.Name == DataFormats.Dib)
{
clipboard.SetData(DataFormats.Bitmap, managed_clipboard_item);
}
}
}
}
XplatUI.ClipboardClose(clipboard_handle);
return(clipboard);
}
internal static IDataObject GetDataObject(bool primary_selection)
{
IDataObject data = null;
var clipboard_handle = XplatUI.ClipboardOpen(primary_selection);
var formats = XplatUI.ClipboardAvailableFormats(clipboard_handle);
if (formats != null)
{
var format = DataFormats.GetFormat(IDataObjectFormat).Id;
var converter = new XplatUI.ClipboardToObject(ConvertFromClipboardData);
if (XplatUI.ClipboardRetrieve(clipboard_handle, format, converter) is IDataObject idata)
{
data = idata;
}
}
XplatUI.ClipboardClose(clipboard_handle);
return(data ?? new DataObject());
}
