public void OptionsChanged()
{
UpdateMatchingBracket();
textViewMargin.OptionsChanged();
caret.RecreateCaret();
caret.UpdateCaretPosition();
Refresh();
}
public bool ExecuteDialogKey(Keys keyData)
{
// try, if a dialog key processor was set to use this
if (DoProcessDialogKey != null && DoProcessDialogKey(keyData))
{
return(true);
}
// if not (or the process was 'silent', use the standard edit actions
IEditAction action = motherTextEditorControl.GetEditAction(keyData);
AutoClearSelection = true;
if (action != null)
{
motherTextEditorControl.BeginUpdate();
try
{
lock (Document)
{
action.Execute(this);
if (SelectionManager.HasSomethingSelected && AutoClearSelection /*&& caretchanged*/)
{
if (Document.TextEditorProperties.DocumentSelectionMode == DocumentSelectionMode.Normal)
{
SelectionManager.ClearSelection();
}
}
}
}
catch (Exception e)
{
Console.WriteLine("Got Exception while executing action " + action + " : " + e.ToString());
}
finally
{
motherTextEditorControl.EndUpdate();
Caret.UpdateCaretPosition();
}
return(true);
}
return(false);
}
protected override void OnPaint(PaintEventArgs e)
{
int currentXPos = 0;
int currentYPos = 0;
bool adjustScrollBars = false;
Graphics g = e.Graphics;
Rectangle clipRectangle = e.ClipRectangle;
if (updateMargin != null)
{
try
{
updateMargin.OnPaint(g, updateMargin.DrawingRectangle);
}
catch (Exception ex)
{
Console.WriteLine("Got exception : " + ex);
}
//clipRectangle.Intersect(updateMargin.DrawingRectangle);
}
if (clipRectangle.Width <= 0 || clipRectangle.Height <= 0)
{
return;
}
if (this.TextEditorProperties.UseAntiAliasedFont)
{
g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
}
else
{
g.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
}
//以下开始画TextArea中的各个区域,同时制定各个区域的Rectangle大小.
foreach (AbstractMargin margin in leftMargins)
{
if (margin.IsVisible)
{
Rectangle marginRectangle = new Rectangle(currentXPos, currentYPos, margin.Size.Width, Height - currentYPos);
if (marginRectangle != margin.DrawingRectangle)
{
adjustScrollBars = true;
margin.DrawingRectangle = marginRectangle;
}
currentXPos += margin.DrawingRectangle.Width; //为画下一个margin提供正确的x坐标。
if (clipRectangle.IntersectsWith(marginRectangle))
{
marginRectangle.Intersect(clipRectangle);
if (!marginRectangle.IsEmpty)
{
try
{
margin.OnPaint(g, marginRectangle);
}
catch (Exception ex)
{
Console.WriteLine("Got exception : " + ex);
}
}
}
}
}
Rectangle textViewMarginArea = new Rectangle(currentXPos, currentYPos, Width - currentXPos, Height - currentYPos);
if (textViewMarginArea != textViewMargin.DrawingRectangle)
{
adjustScrollBars = true;
textViewMargin.DrawingRectangle = textViewMarginArea;
}
if (clipRectangle.IntersectsWith(textViewMarginArea))
{
textViewMarginArea.Intersect(clipRectangle);
if (!textViewMarginArea.IsEmpty)
{
try
{
textViewMargin.OnPaint(g, textViewMarginArea);
}
catch (Exception ex)
{
Console.WriteLine("Got exception : " + ex);
}
}
}
if (adjustScrollBars)
{
try
{
this.motherTextAreaControl.AdjustScrollBars(null, null);
}
catch (Exception) {}
}
try
{
Caret.UpdateCaretPosition();
}
catch (Exception) {}
base.OnPaint(e);
}
