+ //Handle Emoji clustering for cursor handling
+ // Deletion case: this is handling the deletion cases when the cursor is before or after Emoji
+ // - Before: when use delete key and cursor is before Emoji (cursorOffset = -1)
+ // - After: when use backspace key and cursor is after Emoji (cursorOffset = 0)
+
+ const Script script = logicalModel->GetScript(cursorIndex);
+ if((numberOfCharacters == 1u) &&
+ (IsOneOfEmojiScripts(script)))
+ {
+ //TODO: Use this clustering for Emoji cases only. This needs more testing to generalize to all scripts.
+ CharacterRun emojiClusteredCharacters = RetrieveClusteredCharactersOfCharacterIndex(visualModel, logicalModel, cursorIndex);
+ Length actualNumberOfCharacters = emojiClusteredCharacters.numberOfCharacters;
+
+ //Set cursorIndex at the first characterIndex of clustred Emoji
+ cursorIndex = emojiClusteredCharacters.characterIndex;
+
+ numberOfCharacters = actualNumberOfCharacters;
+ }
+