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TMProUGUIHyperlinks: allow links longer than 120 chars #2

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TMProUGUIHyperlinks: allow links longer than 120 chars #2

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21 changes: 21 additions & 0 deletions Scripts/Runtime/TMProUGUIHyperlinks.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,13 +30,34 @@ public class TMProUGUIHyperlinks : MonoBehaviour, IPointerDownHandler, IPointerU
[Serializable]
public class LinkEvent : UnityEvent<string> { }

private const int RICH_TEXT_TAG_LENGTH_OVERRIDE = 1024;
private List<Color32[]> startColors = new List<Color32[]>();
private TextMeshProUGUI textMeshPro;
private Dictionary<int, bool> usedLinks = new Dictionary<int, bool>();
private int hoveredLinkIndex = -1;
private int pressedLinkIndex = -1;
private Camera mainCamera;

#if UNITY_EDITOR
[UnityEditor.InitializeOnLoadMethod]
#else
[RuntimeInitializeOnLoadMethod]
#endif
static void TryFixTMProTagLength()
{
// Fixing TMPro to have a bigger tag length. Currently it's just 128 which is peanuts - links can be very long.
// More specifically, the link tag breaks if the text inside the tag is longer than 128 chars, eg:
// For <link="http://..">
// <whatever_is_here_has_to_be_shorter_than_128_chars>
var fi = typeof(TMP_Text).GetField("m_htmlTag", BindingFlags.NonPublic | BindingFlags.Static);
var arr = fi.GetValue(null) as char[];
if (arr.Length < RICH_TEXT_TAG_LENGTH_OVERRIDE)
{
Array.Resize(ref arr, RICH_TEXT_TAG_LENGTH_OVERRIDE);
fi.SetValue(null, arr);
}
}

void Awake()
{
textMeshPro = GetComponent<TextMeshProUGUI>();
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