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LibGUI: Add support for Ctrl+Delete in TextEditor

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Allow deleting the word after the cursor using Ctrl+Delete in a similar
manner to how Ctrl+Backspace deletes the word before the cursor.
This commit is contained in:
Andrew January 2021-08-20 19:08:34 +01:00 • committed by Andreas Kling
parent 22e80bae29
commit c0d6e37ab3
1 changed files with 11 additions and 2 deletions
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13
Userland/Libraries/LibGUI/TextEditor.cpp
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@ -845,13 +845,22 @@ void TextEditor::keydown_event(KeyEvent& event)
if (m_cursor.column() < current_line().length()) {
// Delete within line
TextRange erased_range(m_cursor, { m_cursor.line(), m_cursor.column() + 1 });
int erase_count = 1;
if (event.modifiers() == Mod_Ctrl) {
auto word_break_pos = document().first_word_break_after(m_cursor);
erase_count = word_break_pos.column() - m_cursor.column();
}
TextRange erased_range(m_cursor, { m_cursor.line(), m_cursor.column() + erase_count });
execute<RemoveTextCommand>(document().text_in_range(erased_range), erased_range);
return;
}
if (m_cursor.column() == current_line().length() && m_cursor.line() != line_count() - 1) {
// Delete at end of line; merge with next line
TextRange erased_range(m_cursor, { m_cursor.line() + 1, 0 });
size_t erase_count = 0;
if (event.modifiers() == Mod_Ctrl) {
erase_count = document().first_word_break_after({ m_cursor.line() + 1, 0 }).column();
}
TextRange erased_range(m_cursor, { m_cursor.line() + 1, erase_count });
execute<RemoveTextCommand>(document().text_in_range(erased_range), erased_range);
return;
}