private static int RouteExec(Func <CommandTargetParameters, RoutedCommand, bool> canExecuteFunc, Action <CommandTargetParameters, RoutedCommand> executeFunc, ref Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
RoutedCommand command = InheritanceMarginPackage.Instance.FindCommand(pguidCmdGroup, nCmdID);
if (command == null)
{
return((int)OleConstants.MSOCMDERR_E_UNKNOWNGROUP);
}
CommandTargetParameters @params = CommandTargetParameters.CreateInstance(nCmdID);
@params.InArgs = (pvaIn == IntPtr.Zero) ? null : Marshal.GetObjectForNativeVariant(pvaIn);
if (canExecuteFunc(@params, command))
{
try
{
executeFunc(@params, command);
return(VSConstants.S_OK);
}
catch (COMException exception)
{
return(exception.ErrorCode);
}
}
return((int)OleConstants.MSOCMDERR_E_NOTSUPPORTED);
}
public int Exec(ref Guid pguidCmdGroup, uint nCmdID, uint nCmdexecopt, IntPtr pvaIn, IntPtr pvaOut)
{
if (pguidCmdGroup == VSConstants.VSStd2K)
{
switch ((VSConstants.VSStd2KCmdID)nCmdID)
{
case VSConstants.VSStd2KCmdID.TYPECHAR:
var ch = (char)(ushort)Marshal.GetObjectForNativeVariant(pvaIn);
if (_curSession != null && !_curSession.IsDismissed)
{
if (_curSession.SelectedCompletionSet.SelectionStatus.IsSelected &&
IsCompletionChar(ch))
{
_curSession.Commit();
}
}
switch (ch)
{
case '<':
if (_curSession != null)
{
_curSession.Dismiss();
}
int res = _oldTarget.Exec(ref pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut);
if (ErrorHandler.Succeeded(res))
{
_curSession = CompletionBroker.TriggerCompletion(_textView);
if (_curSession != null)
{
_curSession.Dismissed += CurSessionDismissedOrCommitted;
_curSession.Committed += CurSessionDismissedOrCommitted;
}
}
return(res);
}
break;
case VSConstants.VSStd2KCmdID.RETURN:
case VSConstants.VSStd2KCmdID.TAB:
if (_curSession != null && !_curSession.IsDismissed)
{
_curSession.Commit();
return(VSConstants.S_OK);
}
break;
}
}
return(_oldTarget.Exec(ref pguidCmdGroup, nCmdID, nCmdexecopt, pvaIn, pvaOut));
}
public virtual bool PreprocessCommand(ref Guid commandGroup, uint commandId, OLECMDEXECOPT executionOptions, IntPtr pvaIn, IntPtr pvaOut)
{
_isProcessingCommand = true;
if (!IsCompletionActive)
{
return(false);
}
if (commandGroup == VsMenus.guidStandardCommandSet97)
{
if (commandId == (uint)VsCommands.Delete)
{
return(false);
}
}
else if (commandGroup == VsMenus.guidStandardCommandSet2K)
{
switch ((VsCommands2K)commandId)
{
case VsCommands2K.WORDPREV:
case VsCommands2K.WORDPREV_EXT:
case VsCommands2K.WORDNEXT:
case VsCommands2K.WORDNEXT_EXT:
case VsCommands2K.CANCEL:
case VsCommands2K.BACKSPACE:
case VsCommands2K.DELETE:
case VsCommands2K.LEFT:
case VsCommands2K.LEFT_EXT:
case VsCommands2K.RIGHT:
case VsCommands2K.RIGHT_EXT:
case VsCommands2K.UP:
case VsCommands2K.UP_EXT:
case VsCommands2K.DOWN:
case VsCommands2K.DOWN_EXT:
case VsCommands2K.BOL:
case VsCommands2K.BOL_EXT:
case VsCommands2K.FIRSTCHAR:
case VsCommands2K.FIRSTCHAR_EXT:
case VsCommands2K.EOL:
case VsCommands2K.EOL_EXT:
case VsCommands2K.PAGEUP:
case VsCommands2K.PAGEUP_EXT:
case VsCommands2K.PAGEDN:
case VsCommands2K.PAGEDN_EXT:
case VsCommands2K.TOPLINE:
case VsCommands2K.TOPLINE_EXT:
case VsCommands2K.BOTTOMLINE:
case VsCommands2K.BOTTOMLINE_EXT:
case VsCommands2K.LEFT_EXT_COL:
case VsCommands2K.RIGHT_EXT_COL:
case IntellisenseCommandFilter.ECMD_INCREASEFILTER:
case VsCommands2K.ECMD_DECREASEFILTER:
case VsCommands2K.ECMD_LEFTCLICK:
return(false);
case (VsCommands2K)95:
case VsCommands2K.BACKTAB:
case VsCommands2K.HOME:
case VsCommands2K.HOME_EXT:
case VsCommands2K.END:
case VsCommands2K.END_EXT:
case VsCommands2K.LASTCHAR:
case VsCommands2K.LASTCHAR_EXT:
break;
case VsCommands2K.TYPECHAR:
char c = Convert.ToChar(Marshal.GetObjectForNativeVariant(pvaIn));
if (IsCommitChar(c))
{
if (CompletionSession.SelectedCompletionSet.SelectionStatus.Completion == null)
{
DismissCompletion();
}
else
{
CompletionInfo.CommitChar = c;
return(CommitCompletion());
}
}
return(false);
case VsCommands2K.RETURN:
CompletionInfo.CommitChar = '\n';
return(CommitCompletion());
case VsCommands2K.TAB:
case VsCommands2K.OPENLINEABOVE:
var selectionStatus = CompletionSession.SelectedCompletionSet.SelectionStatus;
CompletionSession.SelectedCompletionSet.SelectionStatus = new CompletionSelectionStatus(selectionStatus.Completion, true, selectionStatus.IsUnique);
CompletionInfo.CommitChar = (VsCommands2K)commandId == VsCommands2K.TAB ? (char?)'\t' : null;
return(CommitCompletion());
case VsCommands2K.ToggleConsumeFirstCompletionMode:
return(false);
}
}
return(false);
}
protected override void HandlePostExec(ref Guid commandGroup, uint commandId, uint executionOptions, IntPtr pvaIn, IntPtr pvaOut)
{
if (commandGroup == VsMenus.guidStandardCommandSet2K)
{
switch ((VSConstants.VSStd2KCmdID)commandId)
{
case VSConstants.VSStd2KCmdID.TYPECHAR:
//case VSConstants.VSStd2KCmdID.BACKSPACE:
//case VSConstants.VSStd2KCmdID.TAB:
//case VSConstants.VSStd2KCmdID.BACKTAB:
//case VSConstants.VSStd2KCmdID.DELETE:
char typedChar = Convert.ToChar(Marshal.GetObjectForNativeVariant(pvaIn));
switch (typedChar)
{
/* currently only implemented for $ references */
//case '@':
//case ':':
case '$':
//case '.':
SnapshotPoint currentPosition = TextView.Caret.Position.BufferPosition;
TextExtent wordExtent = TextStructureNavigator.GetExtentOfWord(currentPosition);
SnapshotSpan wordSpan = wordExtent.Span;
if (wordExtent.Span.Start >= currentPosition)
{
wordExtent = TextStructureNavigator.GetExtentOfWord(currentPosition - 1);
wordSpan = wordExtent.Span;
}
if (wordSpan.End == currentPosition && wordSpan.Length <= 2)
{
string wordText = wordSpan.GetText();
switch (wordText)
{
case "@":
case "$":
{
ITrackingPoint triggerPoint = currentPosition.Snapshot.CreateTrackingPoint(currentPosition, PointTrackingMode.Positive);
base.Controller.TriggerCompletion(triggerPoint, CompletionInfoType.AutoListMemberInfo, IntellisenseInvocationType.IdentifierChar);
}
break;
case ".":
case "::":
{
ITrackingPoint triggerPoint = currentPosition.Snapshot.CreateTrackingPoint(currentPosition, PointTrackingMode.Positive);
base.Controller.TriggerCompletion(triggerPoint, CompletionInfoType.AutoListMemberInfo, IntellisenseInvocationType.ShowMemberList);
}
break;
default:
break;
}
}
break;
default:
break;
}
break;
default:
break;
}
}
base.HandlePostExec(ref commandGroup, commandId, executionOptions, pvaIn, pvaOut);
}