private void ShowTip()
{
using (Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream("Tiled2UnityMac.Resources.LaunchTipMac.rtf")) {
var rtfData = NSData.FromStream(stream);
NSDictionary nsDict = new NSDictionary();
var attributedString = NSAttributedString.CreateWithRTF(rtfData, out nsDict);
this.TextFieldLaunchTip.AttributedStringValue = attributedString;
}
}
public void Load(Stream stream, RichTextAreaFormat format)
{
var range = new NSRange(0, Control.TextStorage.Length);
switch (format)
{
case RichTextAreaFormat.Rtf:
{
var str = NSAttributedString.CreateWithRTF(NSData.FromStream(stream), out var docAttributes);
NSMutableAttributedString mut = null;
nint pos = 0;
// when encountering an RTF without a defined foreground, use the system foreground for dark mode
var textColor = TextColor.ToNSUI();
while (pos < str.Length)
{
var color = str.GetAttribute(NSStringAttributeKey.ForegroundColor, pos, out var effectiveRange);
pos = effectiveRange.Location + effectiveRange.Length;
if (color == null)
{
if (mut == null)
{
mut = new NSMutableAttributedString(str);
}
mut.AddAttribute(NSStringAttributeKey.ForegroundColor, textColor, effectiveRange);
}
}
if (mut != null)
{
str = mut;
}
Control.TextStorage.Replace(range, str);
break;
}
case RichTextAreaFormat.PlainText:
{
var str = new NSMutableAttributedString(new StreamReader(stream).ReadToEnd());
Font.Apply(str);
str.AddAttribute(NSStringAttributeKey.ForegroundColor, TextColor.ToNSUI(), new NSRange(0, str.Length));
Control.TextStorage.Replace(range, str);
break;
}
default:
throw new NotSupportedException();
}
Callback.OnTextChanged(Widget, EventArgs.Empty);
}
