public double[] GetBoundingRectangles()
#endif
{
LineToIndexTable layoutLineCollection = this.textbox.LayoutLineCollection;
TextPoint topLeft = layoutLineCollection.GetTextPointFromIndex(this.start);
TextPoint bottomRight = this.textbox.LayoutLineCollection.GetTextPointFromIndex(IsNewLine(this.end) ? this.end - 1 : this.end);
#if METRO || WINDOWS_UWP
float dpi;
Util.GetDpi(out dpi, out dpi);
double scale = dpi / 96;
Point topLeftPos = this.textbox.GetPostionFromTextPoint(topLeft);
Point bottomRightPos = this.textbox.GetPostionFromTextPoint(bottomRight);
topLeftPos = Util.GetPointInWindow(topLeftPos.Scale(scale), textbox);
bottomRightPos = Util.GetPointInWindow(bottomRightPos.Scale(scale), textbox);
#endif
#if WPF
Point topLeftPos = this.textbox.GetPostionFromTextPoint(topLeft);
Point bottomRightPos = this.textbox.GetPostionFromTextPoint(bottomRight);
topLeftPos = this.textbox.PointToScreen(topLeftPos);
bottomRightPos = this.textbox.PointToScreen(bottomRightPos);
#endif
double width = bottomRightPos.X - topLeftPos.X;
if (width == 0)
{
width = 1;
}
Rectangle rect = new Rectangle(topLeftPos.X, topLeftPos.Y,
width,
bottomRightPos.Y - topLeftPos.Y + layoutLineCollection.GetLineHeight(bottomRight));
#if METRO || WINDOWS_UWP
rectangles = new double[4] {
rect.X,
rect.Y,
rect.Width,
rect.Height
};
#endif
#if WPF
return(new double[4] {
rect.X,
rect.Y,
rect.Width,
rect.Height
});
#endif
}
public int MoveEndpointByUnit(TextPatternRangeEndpoint endpoint, TextUnit unit, int count)
{
if (count == 0)
{
return(0);
}
int moved = 0;
TextPoint caret = TextPoint.Null, newCaret = TextPoint.Null;
Controller ctrl = textbox.Controller;
LineToIndexTable layoutLine = textbox.LayoutLineCollection;
if (endpoint == TextPatternRangeEndpoint.Start)
{
caret = layoutLine.GetTextPointFromIndex(this.start);
}
else if (endpoint == TextPatternRangeEndpoint.End)
{
caret = layoutLine.GetTextPointFromIndex(this.end);
}
switch (unit)
{
case TextUnit.Character:
newCaret = ctrl.GetNextCaret(caret, count, MoveFlow.Character, out moved);
break;
case TextUnit.Format:
case TextUnit.Word:
newCaret = ctrl.GetNextCaret(caret, count, MoveFlow.Word, out moved);
break;
case TextUnit.Line:
newCaret = ctrl.GetNextCaret(caret, count, MoveFlow.Line, out moved);
break;
case TextUnit.Paragraph:
newCaret = ctrl.GetNextCaret(caret, count, MoveFlow.Paragraph, out moved);
break;
case TextUnit.Page:
case TextUnit.Document:
this.start = 0;
this.end = this.textbox.Document.Length - 1;
moved = 1;
break;
}
if (endpoint == TextPatternRangeEndpoint.Start)
{
this.start = layoutLine.GetIndexFromTextPoint(newCaret);
if (this.start > this.end)
{
this.end = this.start;
}
}
else if (endpoint == TextPatternRangeEndpoint.End)
{
this.end = layoutLine.GetIndexFromTextPoint(newCaret);
if (this.end < this.start)
{
this.start = this.end;
}
}
return(moved);
}
