public void DrawMarkedMultiLineString(Font font, TextEditor textEditor, ref Rect rect,ref Vector2 offset, Color color, Color selectionColor)
{
int realIndex;
int line = FindLineIndex(textEditor.ToString(), textEditor.MarkerIndex, out realIndex);
float markerX = font.MessureSubstring(textEditor.ToString(), realIndex, textEditor.MarkerIndex - realIndex).X;
int indexOfFirst = font.BestHeightFit(textEditor.ToString(), offset.Y);
int indexOfLast = font.BestHeightFit(textEditor.ToString(), offset.Y + rect.Bottom + font.Size);
this.batch.BufferSubString(font, textEditor.ToString(), indexOfFirst, indexOfLast - indexOfFirst, new Vector2(rect.X, rect.Y), color, new Vector2(offset.X, (offset.Y > 0) ? font.Size + 8: 0), Vector2.One);
this.batch.BufferFrame(this.pixel, new Rect(rect.X + markerX - offset.X, rect.Y - offset.Y + line * font.LineHeight, 1, font.LineHeight), color);
if (textEditor.Selected)
{
DrawSelection(font, textEditor, ref rect, ref offset, ref selectionColor, markerX);
}
}
public void DrawMarkedString(Font textureFont, TextEditor text, ref Rect rect, Color color, Color selectionColor, TextAlignment textAlignment)
{
int length = textureFont.BestWidthFitBackWards(text.ToString(), text.MarkerIndex, rect.W);
float markerPos;
if (length < text.Length)
markerPos = rect.W - 1;
else
{
markerPos = textureFont.MessureSubstring(text.ToString(), Math.Max(0,(text.MarkerIndex - length)), text.MarkerIndex - (text.Length - length)).X;
markerPos = MathHelper.Clamp(0, rect.W - 1, markerPos);
}
Vector2 align = GetAlignment(textureFont, text.ToString(), text.MarkerIndex - length, length, ref rect, textAlignment);
if (text.Selected)
{
float selectionStart = textureFont.MessureSubstring(text.ToString(), 0, text.SelectionIndex - (text.Length - length)).X;
this.batch.BufferFrame(this.pixel, new Rect(rect.X + selectionStart, rect.Y, markerPos - selectionStart, rect.H), selectionColor * 0.6f);
}
this.batch.BufferFrame(this.pixel, new Rect(rect.X + markerPos, rect.Y, 1, rect.H), color);
this.batch.BufferSubString(textureFont, text.ToString(), Math.Max(0, text.MarkerIndex - length), length, new Vector2(rect.X, rect.Y), color, align, Vector2.One);
}
private void DrawSelection(Font font, TextEditor textEditor, ref Rect rect, ref Vector2 offset, ref Color selectionColor, float markerX)
{
int min = Math.Min(textEditor.SelectionIndex, textEditor.MarkerIndex);
int max = Math.Max(textEditor.SelectionIndex, textEditor.MarkerIndex);
string txt = textEditor.ToString();
int lastLine = min;
int real;
int line = FindLineIndex(textEditor.ToString(), min, out real);
bool first = true;
float selectionLineWidth;
for (int i = min; i < max; i++)
{
if (txt[i] == '\n')
{
selectionLineWidth = font.MessureSubstring(textEditor.ToString(), lastLine, i - lastLine).X;
if (first) //Anoying special case. First line found.
{
float selectionX = font.MessureSubstring(textEditor.ToString(), real, min - real).X;
this.batch.BufferFrame(this.pixel, new Rect(rect.X - offset.X + selectionX, rect.Y - offset.Y +
line * font.LineHeight, selectionLineWidth, font.LineHeight), selectionColor * 0.6f);
first = false;
}
else
this.batch.BufferFrame(this.pixel, new Rect(rect.X - offset.X, rect.Y - offset.Y +
line * font.LineHeight, selectionLineWidth, font.LineHeight), selectionColor * 0.6f);
lastLine = i;
line++;
}
}
selectionLineWidth = font.MessureSubstring(textEditor.ToString(), lastLine, max - lastLine).X;
if (textEditor.MarkerIndex < textEditor.SelectionIndex)
{
FindLineIndex(textEditor.ToString(), max, out real);
float mi2 = font.MessureSubstring(textEditor.ToString(), real, min - real).X;
this.batch.BufferFrame(this.pixel, new Rect(rect.X + mi2 - offset.X, rect.Y - offset.Y +
line * font.LineHeight, selectionLineWidth, font.LineHeight), selectionColor * 0.6f);
}
else
{
this.batch.BufferFrame(this.pixel, new Rect(rect.X + markerX - selectionLineWidth - offset.X, rect.Y - offset.Y +
line * font.LineHeight, selectionLineWidth, font.LineHeight), selectionColor * 0.6f);
}
}