diff --git a/Telegram/SourceFiles/ui/widgets/input_fields.cpp b/Telegram/SourceFiles/ui/widgets/input_fields.cpp index ac194db87a..6af8729742 100644 --- a/Telegram/SourceFiles/ui/widgets/input_fields.cpp +++ b/Telegram/SourceFiles/ui/widgets/input_fields.cpp @@ -2386,7 +2386,7 @@ TextWithTags InputField::getTextWithAppliedMarkdown() const { if (!tag.closed || tag.adjustedStart < from) { continue; } - const auto entityLength = tag.adjustedLength - 2 * tagLength; + auto entityLength = tag.adjustedLength - 2 * tagLength; if (entityLength <= 0) { continue; } @@ -2407,15 +2407,38 @@ TextWithTags InputField::getTextWithAppliedMarkdown() const { continue; } addOriginalTextUpTill(tag.adjustedStart); - result.tags.push_back(TextWithTags::Tag{ - int(result.text.size()), - entityLength, - tag.tag }); - result.text.append(originalText.midRef( - tag.adjustedStart + tagLength, - entityLength)); + + auto entityStart = tag.adjustedStart + tagLength; + if (tag.tag == kTagPre) { + // Remove redundant newlines for pre. + // If ``` is on a separate line add only one newline. + if (IsNewline(originalText[entityStart]) + && (result.text.isEmpty() + || IsNewline(result.text[result.text.size() - 1]))) { + ++entityStart; + --entityLength; + } + const auto entityEnd = entityStart + entityLength; + if (IsNewline(originalText[entityEnd - 1]) + && (originalText.size() <= entityEnd + tagLength + || IsNewline(originalText[entityEnd + tagLength]))) { + --entityLength; + } + } + + if (entityLength > 0) { + // Add tag text and entity. + result.tags.push_back(TextWithTags::Tag{ + int(result.text.size()), + entityLength, + tag.tag }); + result.text.append(originalText.midRef( + entityStart, + entityLength)); + } + from = tag.adjustedStart + tag.adjustedLength; - removed += 2 * tagLength; + removed += (tag.adjustedLength - entityLength); } addOriginalTagsUpTill(originalText.size()); addOriginalTextUpTill(originalText.size());