protected override void RenderContent()
{
base.RenderContent();
//System.Diagnostics.Debug.WriteLine("Cursor Col: {0}, cursor Row: {1}",_cursorColumn, _cursorRow);
TrueTypeFont font = Renderer.GetFont();
int lineHeight = font.GetLineHeight();
Vector3 textPos = new Vector3();
for (int i = 0; i < _lines.Count; i++)
{
string text = _lines[i];
Color4 colour = Color4.Black;
textPos.Y = lineHeight - font.GetTextHeight(text) + (i * lineHeight);
Renderer.PrintText(text, ref textPos, ref colour, ref colour);
}
if (_active)
{
try
{
int cursorX = font.GetTextWidth(_lines[_cursorRow].Substring(0, _cursorColumn)) + 1;
Vector3 position = new Vector3(cursorX, (_cursorRow * lineHeight) + 1, 0);
Vector3 scale = new Vector3(2, lineHeight, 1);
Color4 colour = Color4.Black;
Renderer.FillShape(ShapeFactory.Rectangle, ref position, ref scale, ref colour);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine("cursor X error in TextBox.cs render.\n" + e.Message);
_cursorColumn--; // emergency fix
}
}
}
public void OnTextTrigger()
{
if (!ContentSelectable())
{
return;
}
if (!_active)
{
_active = true;
}
TrueTypeFont font = Renderer.GetFont();
Vector2 mouse = StateWindow.Instance.GetMousePosition();
int relativeY = (int)(mouse.Y - GetWorldContentPosition().Y) - _verticalBar.GetRelativeScroll();
relativeY /= font.GetLineHeight();
_cursorRow = Math.Min(relativeY, _lines.Count - 1);
int relativeX = (int)(mouse.X - GetWorldContentPosition().X);
string line = _lines[_cursorRow];
_cursorColumn = 0;
for (int i = 0; i < line.Length; i++)
{
if (relativeX > font.GetTextWidth(line.Substring(0, i + 1)))
{
_cursorColumn++;
}
else
{
break;
}
}
_cursorColumn = Math.Min(line.Length, _cursorColumn);
}
public void CharDown(char c)
{
if (_active)
{
string text = _lines[_cursorRow];
TrueTypeFont font = Renderer.GetFont();
if (_cursorColumn == text.Length) // add char to the end of text
{
text += c;
}
else // insert char to cursor position
{
text = text.Insert(_cursorColumn, c.ToString());
}
if (font.GetTextWidth(text) > GetContentWidth()) // text overflow, try wrap
{
string textToWrap = "";
int splitIndex = text.LastIndexOf(' ');
if (splitIndex != -1) // can be wrapped
{
textToWrap = text.Substring(splitIndex + 1);
text = text.Substring(0, splitIndex + 1);
_lines[_cursorRow] = text;
_lines.Insert(++_cursorRow, textToWrap);
_cursorColumn = textToWrap.Length;
}
else // can't be wrapped, keep adding text on next line
{
_lines.Insert(++_cursorRow, c.ToString());
_cursorColumn = 1;
}
_verticalBar.SetScrollAmount(_lines.Count * font.GetLineHeight());
_verticalBar.ScrollSlider(font.GetLineHeight());
}
else
{
_lines[_cursorRow] = text;
_cursorColumn++;
}
}
}
public void KeyDown(Key key)
{
if (_active)
{
if (_lastKey != (int)key)
{
_lastKey = (int)key;
_repeatTimer = Environment.TickCount + _initialKeyRepeatTimer;
}
else
{
_repeatTimer = Environment.TickCount + _keyRepeatTimer;
}
if (key == Key.BackSpace)
{
TrueTypeFont font = Renderer.GetFont();
string text = _lines[_cursorRow];
if (_cursorColumn == 0) // beginning of line
{
if (_cursorRow > 0) // not first line
{
_lines.RemoveAt(_cursorRow); // move up one line
_cursorRow--;
_cursorColumn = _lines[_cursorRow].Length;
string line = _lines[_cursorRow] + text;
for (int i = 0; i < line.Length; i++)
{
if (font.GetTextWidth(line.Substring(0, i + 1)) > GetContentWidth())
{
_lines.Insert(_cursorRow + 1, line.Substring(i));
line = line.Substring(0, i);
break;
}
}
_lines[_cursorRow] = line;
}
}
else if (text.Length != 0) // there is some text
{
if (_cursorColumn == text.Length) // end of line
{
text = text.Substring(0, text.Length - 1);
_lines[_cursorRow] = text;
_cursorColumn--;
}
else // middle of line
{
text = text.Remove(_cursorColumn - 1, 1);
_lines[_cursorRow] = text;
_cursorColumn--;
}
}
_verticalBar.SetScrollAmount(_lines.Count * font.GetLineHeight());
}
else if (key == Key.Delete)
{
TrueTypeFont font = Renderer.GetFont();
string text = _lines[_cursorRow];
if (_cursorColumn == 0) // beginning of line
{
if (text.Length != 0) // there is some text
{
text = text.Remove(_cursorColumn, 1);
_lines[_cursorRow] = text;
}
else // no text
{
if (_cursorRow + 1 <= _lines.Count - 1) // next line exists
{
if (_lines[_cursorRow + 1].Length != 0) // remove this line and move next line up
{
_lines.RemoveAt(_cursorRow);
text = _lines[_cursorRow];
}
}
}
}
else if (text.Length != 0) // not beginning of line and with some text
{
if (_cursorColumn != text.Length) // not end of line
{
text = text.Remove(_cursorColumn, 1);
_lines[_cursorRow] = text;
}
else // end of line
{
if (_cursorRow < _lines.Count - 1) // not on last line
{
text = _lines[_cursorRow + 1];
_lines.RemoveAt(_cursorRow + 1);
_cursorColumn = _lines[_cursorRow].Length;
string line = _lines[_cursorRow] + text;
for (int i = 0; i < line.Length; i++)
{
if (font.GetTextWidth(line.Substring(0, i + 1)) > GetContentWidth())
{
_lines.Insert(_cursorRow + 1, line.Substring(i));
line = line.Substring(0, i);
break;
}
}
_lines[_cursorRow] = line;
}
}
}
//if (font.GetTextWidth(text) > GetContentWidth()) // text overflow, try wrap
//{
// string textToWrap = "";
// int splitIndex = text.LastIndexOf(' ');
// if (splitIndex != -1) // can be wrapped
// {
// textToWrap = text.Substring(splitIndex + 1);
// text = text.Substring(0, splitIndex + 1);
// _lines[_cursorRow] = text;
// _lines.Insert(++_cursorRow, textToWrap);
// _cursorColumn = textToWrap.Length;
// }
// else // can't be wrapped, keep adding text on next line
// {
// _lines.Insert(++_cursorRow, c.ToString());
// _cursorColumn = 1;
// }
// _verticalBar.SetScrollAmount(_lines.Count * font.GetLineHeight());
// _verticalBar.ScrollSlider(font.GetLineHeight());
//}
_verticalBar.SetScrollAmount(_lines.Count * font.GetLineHeight());
}
else if (key == Key.Left)
{
if (_cursorColumn > 0)
{
_cursorColumn--;
}
else
{
if (_cursorRow > 0)
{
_cursorRow--;
_cursorColumn = _lines[_cursorRow].Length;
_verticalBar.ScrollSlider(-5);
}
}
}
else if (key == Key.Right)
{
string text = _lines[_cursorRow];
if (_cursorColumn < text.Length)
{
_cursorColumn++;
}
else
{
if (_cursorRow < _lines.Count - 1)
{
_cursorRow++;
_cursorColumn = 0;
_verticalBar.ScrollSlider(5);
}
}
}
else if (key == Key.Up)
{
if (_cursorRow > 0)
{
_cursorRow--;
if (_cursorColumn > _lines[_cursorRow].Length)
{
_cursorColumn = _lines[_cursorRow].Length;
}
//TrueTypeFont font = Renderer.GetFont();
_verticalBar.ScrollSlider(-5); // only works with current font
}
}
else if (key == Key.Down)
{
if (_cursorRow < _lines.Count - 1)
{
_cursorRow++;
if (_cursorColumn > _lines[_cursorRow].Length)
{
_cursorColumn = _lines[_cursorRow].Length;
}
//TrueTypeFont font = Renderer.GetFont();
_verticalBar.ScrollSlider(5); // only works with current font
}
}
else if (key == Key.Enter)
{
TrueTypeFont font = Renderer.GetFont();
if (_cursorColumn != _lines[_cursorRow].Length)
{
string line = _lines[_cursorRow].Substring(0, _cursorColumn);
string line2 = _lines[_cursorRow].Substring(_cursorColumn);
_lines[_cursorRow] = line;
_lines.Insert(_cursorRow + 1, line2);
}
else
{
_lines.Insert(_cursorRow + 1, "");
}
_cursorRow++;
_cursorColumn = 0;
_verticalBar.SetScrollAmount(_lines.Count * font.GetLineHeight());
_verticalBar.ScrollSlider(font.GetLineHeight());
}
}
}