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Fix selection issue for text containing emoji #416

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Merged
tomekzaw merged 1 commit into from
Jul 17, 2024
Merged

Fix selection issue for text containing emoji #416

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9 changes: 8 additions & 1 deletion ios/RCTBaseTextInputView+Markdown.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,14 @@ - (BOOL)markdown_textOf:(NSAttributedString *)newText equals:(NSAttributedString
{
RCTMarkdownUtils *markdownUtils = [self getMarkdownUtils];
if (markdownUtils != nil) {
return [newText isEqualToAttributedString:oldText];
// Emoji characters are automatically assigned an AppleColorEmoji NSFont and the original font is moved to NSOriginalFont
// We need to remove these attributes before comparison
NSMutableAttributedString *newTextCopy = [newText mutableCopy];
NSMutableAttributedString *oldTextCopy = [oldText mutableCopy];
[newTextCopy removeAttribute:@"NSFont" range:NSMakeRange(0, newTextCopy.length)];
[oldTextCopy removeAttribute:@"NSFont" range:NSMakeRange(0, oldTextCopy.length)];
[oldTextCopy removeAttribute:@"NSOriginalFont" range:NSMakeRange(0, oldTextCopy.length)];
return [newTextCopy isEqualToAttributedString:oldTextCopy];
}

return [self markdown_textOf:newText equals:oldText];
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9 changes: 8 additions & 1 deletion ios/RCTTextInputComponentView+Markdown.mm
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,14 @@ - (BOOL)markdown__textOf:(NSAttributedString *)newText equals:(NSAttributedStrin
{
RCTMarkdownUtils *markdownUtils = [self getMarkdownUtils];
if (markdownUtils != nil) {
return [newText isEqualToAttributedString:oldText];
// Emoji characters are automatically assigned an AppleColorEmoji NSFont and the original font is moved to NSOriginalFont
// We need to remove these attributes before comparison
NSMutableAttributedString *newTextCopy = [newText mutableCopy];
NSMutableAttributedString *oldTextCopy = [oldText mutableCopy];
[newTextCopy removeAttribute:@"NSFont" range:NSMakeRange(0, newTextCopy.length)];
[oldTextCopy removeAttribute:@"NSFont" range:NSMakeRange(0, oldTextCopy.length)];
[oldTextCopy removeAttribute:@"NSOriginalFont" range:NSMakeRange(0, oldTextCopy.length)];
return [newTextCopy isEqualToAttributedString:oldTextCopy];
}

return [self markdown__textOf:newText equals:oldText];
Expand Down