protected virtual PastingEventArgs OnPasting(string value)
{
var handler = Pasting;
var args = new PastingEventArgs(value);
if (handler != null)
{
handler(this, args);
}
return(args);
}
public RichTextBoxPlus()
{
var multiEditBrain = new MyMultiEditBrain(this);
AcceptsTab = true;
// A hack to properly disable AutoWordSelection. It is first set to true in the constructor, and sometime after the constructor it is
// set back to false.
AutoWordSelection = true;
KeyDown += async(s, e) =>
{
if (e.Handled)
{
return;
}
switch (e.KeyData)
{
case Keys.F | Keys.Control:
e.Handled = true;
await ShowFindDialog();
break;
case Keys.F3:
e.Handled = true;
FindNext(Math.Min(TextLength, SelectionStart + 1));
break;
case Keys.Shift | Keys.F3:
e.Handled = true;
FindPrev(SelectionStart - 1);
break;
case Keys.F7:
e.Handled = true;
Tidy();
break;
case Keys.V | Keys.Control:
case Keys.Insert | Keys.Shift:
if (CanPaste(DataFormats.GetFormat("Text")))
{
e.Handled = true;
var e1 = new PastingEventArgs();
Pasting(e1);
if (!e1.Handled)
{
Paste(DataFormats.GetFormat("Text"));
}
}
break;
case Keys.Shift | Keys.Delete:
e.Handled = true;
RemoveSelectedLines();
break;
case Keys.Control | Keys.Shift | Keys.D:
e.Handled = true;
DuplicateSelectionOrLine();
break;
case Keys.Alt | Keys.Up:
e.Handled = true;
MoveSelectedLines(ArrowDirection.Up);
break;
case Keys.Alt | Keys.Down:
e.Handled = true;
MoveSelectedLines(ArrowDirection.Down);
break;
case Keys.Control | Keys.Alt | Keys.Shift | Keys.C:
CropText();
break;
case Keys.Control | Keys.X:
if (!ContainsJson || 0 < SelectionLength)
{
break;
}
e.Handled = true;
CutOutJsonString();
break;
case Keys.Control | Keys.C:
if (!ContainsJson || 0 < SelectionLength)
{
break;
}
e.Handled = true;
CopyJsonString();
break;
case Keys.Shift | Keys.Back:
if (!ContainsJson || 0 < SelectionLength)
{
break;
}
e.Handled = true;
DeleteJsonString();
break;
}
};
KeyPress += (s, e) =>
{
if (e.KeyChar == '\t')
{
e.Handled = true;
SelectedText = " ";
}
};
KeyUp += async(s, e) =>
{
// A hack to fix the "Chinese Character Bug".
if (!e.KeyData.HasFlag(Keys.Alt) || Parent == null)
{
return;
}
await Task.Yield();
Parent.Focus();
Focus();
};
Disposed += (s, e) =>
{
multiEditBrain.Dispose();
};
LinkClicked += async(s, e) =>
{
await Helper.StartProcessAsync(e.LinkText);
};
MouseDown += (s, e) =>
{
if (AutoWordSelection)
{
AutoWordSelection = false;
}
};
}
