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display input caret for textarea. fixes #7758
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6 changed files with 67 additions and 21 deletions
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@ -431,9 +431,19 @@ fn split_first_fragment_at_newline_if_necessary(fragments: &mut LinkedList<Fragm
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string_before =
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unscanned_text_fragment_info.text[..(position + 1)].to_owned();
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insertion_point_before = unscanned_text_fragment_info.insertion_point;
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unscanned_text_fragment_info.text =
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unscanned_text_fragment_info.text[(position + 1)..].to_owned().into_boxed_str();
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let offset = CharIndex(string_before.char_indices().count() as isize);
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match unscanned_text_fragment_info.insertion_point {
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Some(insertion_point) if insertion_point >= offset => {
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insertion_point_before = None;
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unscanned_text_fragment_info.insertion_point = Some(insertion_point - offset);
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}
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Some(_) | None => {
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insertion_point_before = unscanned_text_fragment_info.insertion_point;
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unscanned_text_fragment_info.insertion_point = None;
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}
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};
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}
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first_fragment.transform(first_fragment.border_box.size,
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SpecificFragmentInfo::UnscannedText(
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