public static NSAttributedString ToAttributedString(this FormattedText ft)
{
NSMutableAttributedString ns = new NSMutableAttributedString(ft.Text);
ns.BeginEditing();
foreach (var att in ft.Attributes)
{
var r = new NSRange(att.StartIndex, att.Count);
if (att is BackgroundTextAttribute)
{
var xa = (BackgroundTextAttribute)att;
ns.AddAttribute(NSAttributedString.BackgroundColorAttributeName, xa.Color.ToNSColor(), r);
}
else if (att is ColorTextAttribute)
{
var xa = (ColorTextAttribute)att;
ns.AddAttribute(NSAttributedString.ForegroundColorAttributeName, xa.Color.ToNSColor(), r);
}
else if (att is UnderlineTextAttribute)
{
var xa = (UnderlineTextAttribute)att;
int style = xa.Underline ? 0x01 /*NSUnderlineStyleSingle*/ : 0;
ns.AddAttribute(NSAttributedString.UnderlineStyleAttributeName, (NSNumber)style, r);
}
else if (att is FontStyleTextAttribute)
{
var xa = (FontStyleTextAttribute)att;
if (xa.Style == FontStyle.Italic)
{
Messaging.void_objc_msgSend_int_NSRange(ns.Handle, applyFontTraits.Handle, (IntPtr)(long)NSFontTraitMask.Italic, r);
}
else if (xa.Style == FontStyle.Oblique)
{
ns.AddAttribute(NSAttributedString.ObliquenessAttributeName, (NSNumber)0.2f, r);
}
else
{
ns.AddAttribute(NSAttributedString.ObliquenessAttributeName, (NSNumber)0.0f, r);
Messaging.void_objc_msgSend_int_NSRange(ns.Handle, applyFontTraits.Handle, (IntPtr)(long)NSFontTraitMask.Unitalic, r);
}
}
else if (att is FontWeightTextAttribute)
{
var xa = (FontWeightTextAttribute)att;
var trait = xa.Weight >= FontWeight.Bold ? NSFontTraitMask.Bold : NSFontTraitMask.Unbold;
Messaging.void_objc_msgSend_int_NSRange(ns.Handle, applyFontTraits.Handle, (IntPtr)(long)trait, r);
}
else if (att is LinkTextAttribute)
{
var xa = (LinkTextAttribute)att;
ns.AddAttribute(NSAttributedString.LinkAttributeName, new NSUrl(xa.Target.ToString()), r);
ns.AddAttribute(NSAttributedString.ForegroundColorAttributeName, NSColor.Blue, r);
ns.AddAttribute(NSAttributedString.UnderlineStyleAttributeName, NSNumber.FromInt32((int)NSUnderlineStyle.Single), r);
}
else if (att is StrikethroughTextAttribute)
{
var xa = (StrikethroughTextAttribute)att;
int style = xa.Strikethrough ? 0x01 /*NSUnderlineStyleSingle*/ : 0;
ns.AddAttribute(NSAttributedString.StrikethroughStyleAttributeName, (NSNumber)style, r);
}
else if (att is FontTextAttribute)
{
var xa = (FontTextAttribute)att;
var nf = ((FontData)Toolkit.GetBackend(xa.Font)).Font;
ns.AddAttribute(NSAttributedString.FontAttributeName, nf, r);
}
}
ns.EndEditing();
return(ns);
}
public static NSMutableAttributedString ToAttributedString(this FormattedText ft)
{
NSMutableAttributedString ns = new NSMutableAttributedString(ft.Text);
ns.BeginEditing();
foreach (var att in ft.Attributes)
{
var r = new NSRange(att.StartIndex, att.Count);
if (att is BackgroundTextAttribute)
{
var xa = (BackgroundTextAttribute)att;
ns.AddAttribute(NSStringAttributeKey.BackgroundColor, xa.Color.ToNSColor(), r);
}
else if (att is ColorTextAttribute)
{
var xa = (ColorTextAttribute)att;
ns.AddAttribute(NSStringAttributeKey.ForegroundColor, xa.Color.ToNSColor(), r);
}
else if (att is UnderlineTextAttribute)
{
var xa = (UnderlineTextAttribute)att;
int style = xa.Underline ? 0x01 /*NSUnderlineStyleSingle*/ : 0;
ns.AddAttribute(NSStringAttributeKey.UnderlineStyle, (NSNumber)style, r);
}
else if (att is FontStyleTextAttribute)
{
var xa = (FontStyleTextAttribute)att;
if (xa.Style == FontStyle.Italic)
{
Messaging.void_objc_msgSend_int_NSRange(ns.Handle, applyFontTraits.Handle, (IntPtr)(long)NSFontTraitMask.Italic, r);
}
else if (xa.Style == FontStyle.Oblique)
{
ns.AddAttribute(NSStringAttributeKey.Obliqueness, (NSNumber)0.2f, r);
}
else
{
ns.AddAttribute(NSStringAttributeKey.Obliqueness, (NSNumber)0.0f, r);
Messaging.void_objc_msgSend_int_NSRange(ns.Handle, applyFontTraits.Handle, (IntPtr)(long)NSFontTraitMask.Unitalic, r);
}
}
else if (att is FontWeightTextAttribute)
{
var xa = (FontWeightTextAttribute)att;
var trait = xa.Weight >= FontWeight.Bold ? NSFontTraitMask.Bold : NSFontTraitMask.Unbold;
Messaging.void_objc_msgSend_int_NSRange(ns.Handle, applyFontTraits.Handle, (IntPtr)(long)trait, r);
}
else if (att is FontSizeTextAttribute)
{
var xa = (FontSizeTextAttribute)att;
ns.EnumerateAttribute(NSStringAttributeKey.Font, r, NSAttributedStringEnumeration.None, (NSObject value, NSRange range, ref bool stop) => {
var font = value as NSFont;
if (font == null)
{
font = NSFont.SystemFontOfSize(xa.Size);
}
else
{
font = font.WithSize(xa.Size);
}
ns.RemoveAttribute(NSStringAttributeKey.Font, r);
ns.AddAttribute(NSStringAttributeKey.Font, font, r);
});
}
else if (att is LinkTextAttribute)
{
var xa = (LinkTextAttribute)att;
if (xa.Target != null)
{
ns.AddAttribute(NSStringAttributeKey.Link, new NSUrl(xa.Target.ToString()), r);
}
ns.AddAttribute(NSStringAttributeKey.ForegroundColor, Toolkit.CurrentEngine.Defaults.FallbackLinkColor.ToNSColor(), r);
ns.AddAttribute(NSStringAttributeKey.UnderlineStyle, NSNumber.FromInt32((int)NSUnderlineStyle.Single), r);
}
else if (att is StrikethroughTextAttribute)
{
var xa = (StrikethroughTextAttribute)att;
int style = xa.Strikethrough ? 0x01 /*NSUnderlineStyleSingle*/ : 0;
ns.AddAttribute(NSStringAttributeKey.StrikethroughStyle, (NSNumber)style, r);
}
else if (att is FontTextAttribute)
{
var xa = (FontTextAttribute)att;
var nf = ((FontData)Toolkit.GetBackend(xa.Font)).Font;
ns.EnumerateAttribute(NSStringAttributeKey.Font, r, NSAttributedStringEnumeration.None, (NSObject value, NSRange range, ref bool stop) => {
var font = value as NSFont;
if (font == null)
{
font = nf;
}
else
{
var w = NSFontManager.SharedFontManager.WeightOfFont(font);
var traits = NSFontManager.SharedFontManager.TraitsOfFont(font);
font = NSFontManager.SharedFontManager.FontWithFamily(nf.FamilyName, traits, w, font.PointSize);
}
ns.RemoveAttribute(NSStringAttributeKey.Font, r);
ns.AddAttribute(NSStringAttributeKey.Font, font, r);
});
}
}
ns.EndEditing();
return(ns);
}
