public CGSize GetSize()
{
using (var TextLayout = new NSLayoutManager())
{
TextLayout.AddTextContainer(TextContainer);
TextStorage.AddLayoutManager(TextLayout);
TextLayout.GlyphRangeForBoundingRect(new CGRect(CGPoint.Empty, TextContainer.Size), TextContainer);
var s = TextLayout.GetUsedRectForTextContainer(TextContainer);
TextStorage.RemoveLayoutManager(TextLayout);
TextLayout.RemoveTextContainer(0);
return(s.Size);
}
}
NSRange LineRange(NSTextView textView)
{
NSLayoutManager layoutManager = textView.LayoutManager;
var charRane = new NSRange(0, 1);
CGRect charRect = layoutManager.BoundingRectForGlyphRange(charRane, textView.TextContainer);
var lRect = new CGRect(charRect.Left, charRect.Size.Height * 6, charRect.Size.Width, charRect.Size.Height);
NSRange lRange = layoutManager.GlyphRangeForBoundingRect(lRect, textView.TextContainer);
var nOrange = new NSRange(0, lRange.Location - 1);
return(nOrange);
}
public CGPoint GetCoordinateFromIndex(int index)
{
using (var TextLayout = new NSLayoutManager())
{
TextLayout.AddTextContainer(TextContainer);
TextStorage.AddLayoutManager(TextLayout);
TextLayout.GlyphRangeForBoundingRect(new CGRect(CGPoint.Empty, TextContainer.Size), TextContainer);
var glyphIndex = TextLayout.GlyphIndexForCharacterAtIndex(index);
var p = TextLayout.LocationForGlyphAtIndex((nint)glyphIndex);
TextStorage.RemoveLayoutManager(TextLayout);
TextLayout.RemoveTextContainer(0);
return(p);
}
}
public nuint GetIndexFromCoordinates(double x, double y)
{
using (var TextLayout = new NSLayoutManager())
{
TextLayout.AddTextContainer(TextContainer);
TextStorage.AddLayoutManager(TextLayout);
TextLayout.GlyphRangeForBoundingRect(new CGRect(CGPoint.Empty, TextContainer.Size), TextContainer);
nfloat fraction = 0;
var index = TextLayout.CharacterIndexForPoint(new CGPoint(x, y), TextContainer, ref fraction);
TextStorage.RemoveLayoutManager(TextLayout);
TextLayout.RemoveTextContainer(0);
return(index);
}
}
