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LibGUI: Split InsertTextCommand undo/redo based on whitespace

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ForLoveOfCats 2022-04-24 21:04:21 -04:00 • committed by Andreas Kling
parent 68aec687cf
commit ee81c1b07a
1 changed files with 7 additions and 1 deletions
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8
Userland/Libraries/LibGUI/TextDocument.cpp
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@ -764,16 +764,22 @@ bool InsertTextCommand::merge_with(GUI::Command const& other)
{
if (!is<InsertTextCommand>(other))
return false;
auto& typed_other = static_cast<InsertTextCommand const&>(other);
auto const& typed_other = static_cast<InsertTextCommand const&>(other);
if (typed_other.m_text.is_whitespace() && !m_text.is_whitespace())
return false; // Skip if other is whitespace while this is not
if (m_range.end() != typed_other.m_range.start())
return false;
if (m_range.start().line() != m_range.end().line())
return false;
StringBuilder builder(m_text.length() + typed_other.m_text.length());
builder.append(m_text);
builder.append(typed_other.m_text);
m_text = builder.to_string();
m_range.set_end(typed_other.m_range.end());
return true;
}