/// <summary>
/// Process a input line.
/// </summary>
/// <param name="inputLine"></param>
protected Tuple <bool, bool> Process(InputLine inputLine)
{
SnapshotSpan inputSpan = inputLine.SnapshotSpan;
if (inputLine.Flags.HasFlag(InputLineFlag.Echo))
{
WpfConsole.BeginInputLine();
if (inputLine.Flags.HasFlag(InputLineFlag.Execute))
{
WpfConsole.WriteLine(inputLine.Text);
inputSpan = WpfConsole.EndInputLine(true).Value;
}
else
{
WpfConsole.Write(inputLine.Text);
}
}
if (inputLine.Flags.HasFlag(InputLineFlag.Execute))
{
string command = inputLine.Text;
bool isExecuted = WpfConsole.Host.Execute(WpfConsole, command, null);
WpfConsole.InputHistory.Add(command);
ParentDispatcher.OnExecute(inputSpan, isExecuted);
return(Tuple.Create(true, isExecuted));
}
return(Tuple.Create(false, false));
}
protected override int InternalExec(ref Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
int hr = OLECMDERR_E_NOTSUPPORTED;
if (!WpfConsole.Host.IsCommandEnabled)
{
return(hr);
}
// if the console has not been successfully started, do not accept any key inputs
if (!WpfConsole.Dispatcher.IsStartCompleted)
{
return(hr);
}
// if the console is in the middle of executing a command, do not accept any key inputs
if (WpfConsole.Dispatcher.IsExecutingCommand)
{
return(hr);
}
if (pguidCmdGroup == VSConstants.GUID_VSStandardCommandSet97)
{
//Debug.Print("Exec: GUID_VSStandardCommandSet97: {0}", (VSConstants.VSStd97CmdID)nCmdID);
switch ((VSConstants.VSStd97CmdID)nCmdID)
{
case VSConstants.VSStd97CmdID.Paste:
if (IsCaretInReadOnlyRegion || IsSelectionReadonly)
{
hr = VSConstants.S_OK; // eat it
}
else
{
PasteText(ref hr);
}
break;
}
}
else if (pguidCmdGroup == VSConstants.VSStd2K)
{
//Debug.Print("Exec: VSStd2K: {0}", (VSConstants.VSStd2KCmdID)nCmdID);
switch ((VSConstants.VSStd2KCmdID)nCmdID)
{
case VSConstants.VSStd2KCmdID.TYPECHAR:
if (IsCompletionSessionActive)
{
char ch = (char)(ushort)Marshal.GetObjectForNativeVariant(pvaIn);
if (IsCommitChar(ch))
{
if (_completionSession.SelectedCompletionSet.SelectionStatus.IsSelected)
{
_completionSession.Commit();
}
else
{
_completionSession.Dismiss();
}
}
}
else
{
if (IsSelectionReadonly)
{
WpfTextView.Selection.Clear();
}
if (IsCaretInReadOnlyRegion)
{
WpfTextView.Caret.MoveTo(WpfConsole.InputLineExtent.End);
}
}
break;
case VSConstants.VSStd2KCmdID.LEFT:
case VSConstants.VSStd2KCmdID.LEFT_EXT:
case VSConstants.VSStd2KCmdID.LEFT_EXT_COL:
case VSConstants.VSStd2KCmdID.WORDPREV:
case VSConstants.VSStd2KCmdID.WORDPREV_EXT:
case VSConstants.VSStd2KCmdID.WORDPREV_EXT_COL:
if (IsCaretAtInputLineStart)
{
//
// Note: This simple implementation depends on Prompt containing a trailing space.
// When caret is on the right of InputLineStart, editor will handle it correctly,
// and caret won't move left to InputLineStart because of the trailing space.
//
hr = VSConstants.S_OK; // eat it
}
break;
case VSConstants.VSStd2KCmdID.BOL:
case VSConstants.VSStd2KCmdID.BOL_EXT:
case VSConstants.VSStd2KCmdID.BOL_EXT_COL:
if (IsCaretOnInputLine)
{
VirtualSnapshotPoint oldCaretPoint = WpfTextView.Caret.Position.VirtualBufferPosition;
WpfTextView.Caret.MoveTo(WpfConsole.InputLineStart.Value);
WpfTextView.Caret.EnsureVisible();
if ((VSConstants.VSStd2KCmdID)nCmdID == VSConstants.VSStd2KCmdID.BOL)
{
WpfTextView.Selection.Clear();
}
else if ((VSConstants.VSStd2KCmdID)nCmdID != VSConstants.VSStd2KCmdID.BOL) // extend selection
{
VirtualSnapshotPoint anchorPoint = WpfTextView.Selection.IsEmpty ?
oldCaretPoint.TranslateTo(WpfTextView.TextSnapshot) : WpfTextView.Selection.AnchorPoint;
WpfTextView.Selection.Select(anchorPoint, WpfTextView.Caret.Position.VirtualBufferPosition);
}
hr = VSConstants.S_OK;
}
break;
case VSConstants.VSStd2KCmdID.UP:
if (!IsCompletionSessionActive)
{
if (IsCaretInReadOnlyRegion)
{
ExecuteCommand(VSConstants.VSStd2KCmdID.END);
}
WpfConsole.NavigateHistory(-1);
hr = VSConstants.S_OK;
}
break;
case VSConstants.VSStd2KCmdID.DOWN:
if (!IsCompletionSessionActive)
{
if (IsCaretInReadOnlyRegion)
{
ExecuteCommand(VSConstants.VSStd2KCmdID.END);
}
WpfConsole.NavigateHistory(+1);
hr = VSConstants.S_OK;
}
break;
case VSConstants.VSStd2KCmdID.RETURN:
if (IsCompletionSessionActive)
{
if (_completionSession.SelectedCompletionSet.SelectionStatus.IsSelected)
{
_completionSession.Commit();
}
else
{
_completionSession.Dismiss();
}
}
else if (IsCaretOnInputLine || !IsCaretInReadOnlyRegion)
{
ExecuteCommand(VSConstants.VSStd2KCmdID.END);
ExecuteCommand(VSConstants.VSStd2KCmdID.RETURN);
WpfConsole.EndInputLine();
}
hr = VSConstants.S_OK;
break;
case VSConstants.VSStd2KCmdID.TAB:
if (!IsCaretInReadOnlyRegion)
{
if (IsCompletionSessionActive)
{
_completionSession.Commit();
}
else
{
TriggerCompletion();
}
}
hr = VSConstants.S_OK;
break;
case VSConstants.VSStd2KCmdID.CANCEL:
if (IsCompletionSessionActive)
{
_completionSession.Dismiss();
hr = VSConstants.S_OK;
}
else if (!IsCaretInReadOnlyRegion)
{
// Delete all text after InputLineStart
WpfTextView.TextBuffer.Delete(WpfConsole.AllInputExtent);
hr = VSConstants.S_OK;
}
break;
case VSConstants.VSStd2KCmdID.CUTLINE:
// clears the console when CutLine shortcut key is pressed,
// usually it is Ctrl + L
WpfConsole.ClearConsole();
hr = VSConstants.S_OK;
break;
}
}
return(hr);
}
private static Task EndInputLineAsync(WpfConsole wpfConsole)
{
wpfConsole.EndInputLine();
return(Task.CompletedTask);
}