public override bool Handle(AutoCompleteEventArgs e, AutoCompleteSettings settings, out CodeString result)
{
result = null;
if (!settings.SelfClosingPairs.IsEnabled || !_scpInputLookup.TryGetValue(e.Character, out var pair) && e.Character != '\b')
{
// not an interesting keypress.
return(false);
}
var original = CodePaneHandler.GetCurrentLogicalLine(e.Module);
if (original == null || original.Lines.Length == MaximumLines)
{
// selection spans more than a single logical line, or
// logical line somehow spans more than the maximum number of physical lines in a logical line of code (25).
return(false);
}
if (!original.CaretPosition.IsSingleCharacter)
{
// here would be an opportunity to "wrap selection" with a SCP.
// todo: WrapSelectionWith(pair)?
result = null;
return(false);
}
if (pair != null)
{
// found a SCP for the input key; see if we should handle it:
if (!HandleInternal(e, original, pair, out result))
{
return(false);
}
}
else if (e.Character == '\b')
{
// backspace - see if SCP logic needs to intervene:
foreach (var scp in _selfClosingPairs)
{
if (HandleInternal(e, original, scp, out result))
{
break;
}
}
}
if (result == null)
{
// no meaningful output; let the input be handled by another handler, maybe.
return(false);
}
// 1-based selection span in the code pane starts at column 1 but really encompasses the entire line.
var snippetPosition = new Selection(result.SnippetPosition.StartLine, 1, result.SnippetPosition.EndLine, 1);
result = new CodeString(result.Code, result.CaretPosition, snippetPosition);
_scpService.ShowQuickInfo();
e.Handled = true;
return(true);
}
public override bool Handle(AutoCompleteEventArgs e, AutoCompleteSettings settings, out CodeString result)
{
result = null;
if (e.Character != '\r' || (!settings?.SmartConcat.IsEnabled ?? true))
{
return(false);
}
var currentContent = CodePaneHandler.GetCurrentLogicalLine(e.Module);
if ((!currentContent?.IsInsideStringLiteral ?? true) ||
currentContent.Lines.Length >= settings.SmartConcat.ConcatMaxLines)
{
// selection spans more than a single logical line, or spans too many lines to be legal;
// too many line continuations throws COMException if we attempt to modify.
return(false);
}
var lastIndexLeftOfCaret = currentContent.CaretLine.Length > 2 ? currentContent.CaretLine.Substring(0, currentContent.CaretPosition.StartColumn).LastIndexOf('"') : 0;
if (lastIndexLeftOfCaret > 0)
{
var indent = currentContent.CaretLine.NthIndexOf('"', 1);
var whitespace = new string(' ', indent);
// todo: handle shift modifier?
var concatVbNewLine = settings.SmartConcat.ConcatVbNewLineModifier.HasFlag(ModifierKeySetting.CtrlKey) && e.IsControlKeyDown;
var autoCode = $"\" {(concatVbNewLine ? "& vbNewLine " : string.Empty)}& _\r\n{whitespace}\"";
var left = currentContent.CaretLine.Substring(0, currentContent.CaretPosition.StartColumn);
var right = currentContent.CaretLine.Substring(currentContent.CaretPosition.StartColumn);
var caretLine = $"{left}{autoCode}{right}";
var lines = currentContent.Lines;
lines[currentContent.CaretPosition.StartLine] = caretLine;
var code = string.Join("\r\n", lines);
var newContent = new CodeString(code, currentContent.CaretPosition, currentContent.SnippetPosition);
var newPosition = new Selection(newContent.CaretPosition.StartLine + 1, indent + 1);
e.Handled = true;
result = new CodeString(newContent.Code, newPosition,
new Selection(newContent.SnippetPosition.StartLine, 1, newContent.SnippetPosition.EndLine, 1));
CodePaneHandler.SubstituteCode(e.Module, result);
var finalSelection = new Selection(result.SnippetPosition.StartLine, 1).Offset(result.CaretPosition);
CodePaneHandler.SetSelection(e.Module, finalSelection);
return(true);
}
return(false);
}
public override bool Handle(AutoCompleteEventArgs e, AutoCompleteSettings settings, out CodeString result)
{
result = null;
if (!_scpInputLookup.TryGetValue(e.Character, out var pair) && e.Character != '\b')
{
return(false);
}
var original = CodePaneHandler.GetCurrentLogicalLine(e.Module);
if (original == null || original.Lines.Length == MaximumLines)
{
// selection spans more than a single logical line, or
// logical line somehow spans more than the maximum number of physical lines in a logical line of code (25).
return(false);
}
if (pair != null)
{
if (!HandleInternal(e, original, pair, out result))
{
return(false);
}
}
else if (e.Character == '\b')
{
foreach (var scp in _selfClosingPairs)
{
if (HandleInternal(e, original, scp, out result))
{
break;
}
}
}
if (result == null)
{
return(false);
}
var snippetPosition = new Selection(result.SnippetPosition.StartLine, 1, result.SnippetPosition.EndLine, 1);
result = new CodeString(result.Code, result.CaretPosition, snippetPosition);
e.Handled = true;
return(true);
}