public Caret(Caret cpy)
{
this.textBox = cpy.textBox;
this.position = cpy.position;
this.IsSet = cpy.IsSet;
this.column = cpy.column;
this.row = cpy.row;
this.realcolumn = cpy.realcolumn;
}
public Label()
{
caret = new Caret(this);
visualCaret = new Graphics.Interface.Caret();
AddChild(visualCaret);
Font = InterfaceScene.DefaultFont;
Clickable = false;
readOnly = true;
selectable = false;
}
protected override void OnMouseDown(System.Windows.Forms.MouseEventArgs e)
{
if (selectable)
{
var screenPos = new Vector2(e.X, e.Y);
selectionStart = null;
Vector2 pos = screenPos - textGraphic.Offset - new Vector2(AbsoluteTranslation.X, AbsoluteTranslation.Y);
caret.SetFromXY(pos);
selectionStart = new Caret(caret);
}
Focus();
base.OnMouseDown(e);
}
protected List<Glyph> GetSelectionBoxes()
{
if (selectionStart == null || selectionStart.Position == caret.Position)
return null;
var fi = Scene.View.Content.Acquire<FontImplementation>(Font);
Caret start = selectionStart.Position < caret.Position ? selectionStart : caret;
Caret end = selectionStart.Position < caret.Position ? caret : selectionStart;
Vector3 startPos = start.DocumentPosition;
Vector3 endPos = end.DocumentPosition;
List<Glyph> selectionBoxes = new List<Glyph>();
Vector2 sOffset = new Vector2(0, fi.CharacterHeight - 1);
Caret it = new Caret(start) { Visible = false };
for (int i = start.Row; i <= end.Row; i++)
{
Vector3 startp = it.DocumentPosition;
it.MoveToEndOfLine();
Vector3 endp = it.Position <= end.Position ? it.DocumentPosition : end.DocumentPosition;
it.Position++;
Glyph g = new Glyph();
g.Position = startp;
g.Size = new Vector2(endp.X - startp.X, endp.Y - startp.Y) + sOffset;
g.UVMin = Vector2.Zero;
g.UVMax = new Vector2(1, 1);
selectionBoxes.Add(g);
}
Scene.View.Content.Release(fi);
return selectionBoxes;
}
public void SelectAll()
{
selectionStart = new Caret(caret);
selectionStart.Set(0);
caret.Set(document.Lines.Last().Length, document.Lines.Count);
}
protected override void OnKeyDown(System.Windows.Forms.KeyEventArgs e)
{
if (!readOnly)
{
e.Handled = true;
switch (e.KeyCode)
{
case Keys.Left:
case Keys.Right:
case Keys.Up:
case Keys.Down:
case Keys.Home:
case Keys.End:
e.SuppressKeyPress = true;
if (e.Shift && selectable)
{
if (selectionStart == null) selectionStart = new Caret(caret);
}
else if (selectionStart != null)
{
selectionStart = null;
UpdateSelection();
}
if (e.KeyCode == Keys.Left)
{
if (e.Control)
caret.MoveToBeginningOfWord();
else
caret--;
}
if (e.KeyCode == Keys.Right)
{
if (e.Control)
caret.MoveToEndOfWord();
else
caret++;
}
if (e.KeyCode == Keys.Up) caret.Up();
if (e.KeyCode == Keys.Down) caret.Down();
if (e.KeyCode == Keys.Home) caret.Set(0, caret.Row);
if (e.KeyCode == Keys.End) caret.Set(document.Lines[caret.Row].Length - 1, caret.Row);
OnCaretChanged();
break;
case Keys.Back:
case Keys.Delete:
if (selectionStart != null)
{
int selpos = selectionStart.Position;
DeleteSelection();
caret.Position = Math.Min(caret.Position, selpos);
OnTextChanged();
}
else {
if (caret > 0 && e.KeyCode == Keys.Back)
{
caret--;
document.Remove(caret, 1);
OnTextChanged();
}
else if (caret <= document.Length - 1 && e.KeyCode == Keys.Delete)
{
document.Remove(caret, 1);
OnTextChanged();
}
}
e.SuppressKeyPress = true;
break;
case Keys.X:
if (e.Control)
{
if (selectionStart != null)
{
string s = SelectedText();
if (s.Length > 0)
Clipboard.SetText(s);
DeleteSelection();
OnTextChanged();
}
e.SuppressKeyPress = true;
}
break;
case Keys.C:
if (e.Control)
{
if (selectionStart != null)
{
string s = SelectedText();
if (s.Length > 0)
Clipboard.SetText(s);
}
e.SuppressKeyPress = true;
}
break;
case Keys.V:
if (e.Control)
{
if (selectionStart != null)
DeleteSelection();
string cb = Clipboard.GetText();
foreach (char c in cb)
InsertCharacter(c);
e.SuppressKeyPress = true;
}
break;
case Keys.A:
if (e.Control && selectable)
{
SelectAll();
e.SuppressKeyPress = true;
}
break;
}
}
base.OnKeyDown(e);
}
public void SelectAll()
{
selectionStart = new Caret(caret);
selectionStart.Set(0);
caret.Set(document.Lines.Last().Length, document.Lines.Count);
}
public void Insert(Caret start, char value)
{
Insert(start, "" + value);
}
public void Set(Caret p)
{
position = p.position;
IsSet = true;
column = p.column;
realcolumn = p.realcolumn;
row = p.row;
if (Visible)
textBox.UpdateSelection();
}
protected override void OnKeyDown(System.Windows.Forms.KeyEventArgs e)
{
if (!readOnly)
{
e.Handled = true;
switch (e.KeyCode)
{
case Keys.Left:
case Keys.Right:
case Keys.Up:
case Keys.Down:
case Keys.Home:
case Keys.End:
e.SuppressKeyPress = true;
if (e.Shift && selectable)
{
if (selectionStart == null)
{
selectionStart = new Caret(caret);
}
}
else if (selectionStart != null)
{
selectionStart = null;
UpdateSelection();
}
if (e.KeyCode == Keys.Left)
{
if (e.Control)
{
caret.MoveToBeginningOfWord();
}
else
{
caret--;
}
}
if (e.KeyCode == Keys.Right)
{
if (e.Control)
{
caret.MoveToEndOfWord();
}
else
{
caret++;
}
}
if (e.KeyCode == Keys.Up)
{
caret.Up();
}
if (e.KeyCode == Keys.Down)
{
caret.Down();
}
if (e.KeyCode == Keys.Home)
{
caret.Set(0, caret.Row);
}
if (e.KeyCode == Keys.End)
{
caret.Set(document.Lines[caret.Row].Length - 1, caret.Row);
}
OnCaretChanged();
break;
case Keys.Back:
case Keys.Delete:
if (selectionStart != null)
{
int selpos = selectionStart.Position;
DeleteSelection();
caret.Position = Math.Min(caret.Position, selpos);
OnTextChanged();
}
else
{
if (caret > 0 && e.KeyCode == Keys.Back)
{
caret--;
document.Remove(caret, 1);
OnTextChanged();
}
else if (caret <= document.Length - 1 && e.KeyCode == Keys.Delete)
{
document.Remove(caret, 1);
OnTextChanged();
}
}
e.SuppressKeyPress = true;
break;
case Keys.X:
if (e.Control)
{
if (selectionStart != null)
{
string s = SelectedText();
if (s.Length > 0)
{
Clipboard.SetText(s);
}
DeleteSelection();
OnTextChanged();
}
e.SuppressKeyPress = true;
}
break;
case Keys.C:
if (e.Control)
{
if (selectionStart != null)
{
string s = SelectedText();
if (s.Length > 0)
{
Clipboard.SetText(s);
}
}
e.SuppressKeyPress = true;
}
break;
case Keys.V:
if (e.Control)
{
if (selectionStart != null)
{
DeleteSelection();
}
string cb = Clipboard.GetText();
foreach (char c in cb)
{
InsertCharacter(c);
}
e.SuppressKeyPress = true;
}
break;
case Keys.A:
if (e.Control && selectable)
{
SelectAll();
e.SuppressKeyPress = true;
}
break;
}
}
base.OnKeyDown(e);
}
public void Remove(Caret start, int count)
{
String t = Text;
if(t.Length >= start.Position + count)
Text = t.Remove(start.Position, count);
}
public void Insert(Caret start, String value)
{
if (value.Contains('\r') || value.Contains('\n'))
{
Text = Text.Insert(start.Position, value.Replace("\r\n", "\n").Replace('\r', '\n'));
}
else
{
Document.Line line = Lines[start.Row];
line.Value = line.Value.Insert(start.Column, value);
CalcLineIndices();
}
}
public void Insert(Caret start, char value)
{
Insert(start, "" + value);
}