int FindWordStart(Document.Document document, int offset)
{
LineSegment line = document.GetLineSegmentForOffset(offset);
if (offset > 0 && Char.IsWhiteSpace(document.GetCharAt(offset - 1)) && Char.IsWhiteSpace(document.GetCharAt(offset)))
{
while (offset > line.Offset && Char.IsWhiteSpace(document.GetCharAt(offset - 1)))
{
--offset;
}
}
else if (IsSelectableChar(document.GetCharAt(offset)) || (offset > 0 && Char.IsWhiteSpace(document.GetCharAt(offset)) && IsSelectableChar(document.GetCharAt(offset - 1))))
{
while (offset > line.Offset && IsSelectableChar(document.GetCharAt(offset - 1)))
{
--offset;
}
}
else
{
if (offset > 0 && !Char.IsWhiteSpace(document.GetCharAt(offset - 1)) && !IsSelectableChar(document.GetCharAt(offset - 1)))
{
return(Math.Max(0, offset - 1));
}
}
return(offset);
}
public TextEditorControl()
{
SetStyle(ControlStyles.ContainerControl, true);
_textAreaPanel.Dock = DockStyle.Fill;
//Document = (new DocumentFactory()).CreateDocument();
//Document.HighlightingStrategy = HighlightingStrategyFactory.CreateHighlightingStrategy();
Document = new Document.Document();
_primaryTextAreaControl = new TextAreaControl(this);
ActiveTextAreaControl = _primaryTextAreaControl;
_primaryTextAreaControl.TextArea.GotFocus += delegate
{
SetActiveTextAreaControl(_primaryTextAreaControl);
};
_primaryTextAreaControl.Dock = DockStyle.Fill;
_textAreaPanel.Controls.Add(_primaryTextAreaControl);
InitializeTextAreaControl(_primaryTextAreaControl);
Controls.Add(_textAreaPanel);
ResizeRedraw = true;
Document.UpdateCommited += CommitUpdateRequested;
OptionsChanged();
}
int FindNext(Document.Document document, int offset, char ch)
{
LineSegment line = document.GetLineSegmentForOffset(offset);
int endPos = line.Offset + line.Length;
while (offset < endPos && document.GetCharAt(offset) != ch)
{
++offset;
}
return(offset);
}
public Highlight GetHighlight(Document.Document document, int offset)
{
int searchOffset;
if (Shared.TEP.BracketMatchingStyle == BracketMatchingStyle.After)
{
searchOffset = offset;
}
else
{
searchOffset = offset + 1;
}
char word = document.GetCharAt(Math.Max(0, Math.Min(document.TextLength - 1, searchOffset)));
TextLocation endP = document.OffsetToPosition(searchOffset);
if (word == OpenTag)
{
if (searchOffset < document.TextLength)
{
int bracketOffset = TextUtilities.SearchBracketForward(document, searchOffset + 1, OpenTag, ClosingTag);
if (bracketOffset >= 0)
{
TextLocation p = document.OffsetToPosition(bracketOffset);
return(new Highlight(p, endP));
}
}
}
else if (word == ClosingTag)
{
if (searchOffset > 0)
{
int bracketOffset = TextUtilities.SearchBracketBackward(document, searchOffset - 1, OpenTag, ClosingTag);
if (bracketOffset >= 0)
{
TextLocation p = document.OffsetToPosition(bracketOffset);
return(new Highlight(p, endP));
}
}
}
return(null);
}
int FindWordEnd(Document.Document document, int offset)
{
LineSegment line = document.GetLineSegmentForOffset(offset);
if (line.Length == 0)
{
return(offset);
}
int endPos = line.Offset + line.Length;
offset = Math.Min(offset, endPos - 1);
if (IsSelectableChar(document.GetCharAt(offset)))
{
while (offset < endPos && IsSelectableChar(document.GetCharAt(offset)))
{
++offset;
}
}
else if (Char.IsWhiteSpace(document.GetCharAt(offset)))
{
if (offset > 0 && Char.IsWhiteSpace(document.GetCharAt(offset - 1)))
{
while (offset < endPos && Char.IsWhiteSpace(document.GetCharAt(offset)))
{
++offset;
}
}
}
else
{
return(Math.Max(0, offset + 1));
}
return(offset);
}