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LibGUI: Fix EditingEngine Shift + Up/Down highlight behavior

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Fix unwanted behavior in the EditingEngine where using Shift + Up or
Down keys will not highlight to the beginning or end of the first or
last lines of the file. Fix issue #15695
This commit is contained in:
skelegorg 2022-10-18 23:25:56 -04:00 • committed by Linus Groh
commit db2e1bfa02
Notes: sideshowbarker 2024-07-17 22:55:25 +09:00
1 changed files with 15 additions and 0 deletions
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15
Userland/Libraries/LibGUI/EditingEngine.cpp
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@ -87,9 +87,24 @@ bool EditingEngine::on_key(KeyEvent const& event)
bool const condition_for_up = direction == VerticalDirection::Up && m_editor->cursor().line() > 0;
bool const condition_for_down = direction == VerticalDirection::Down && m_editor->cursor().line() < (m_editor->line_count() - 1);
bool const condition_for_up_to_beginning = direction == VerticalDirection::Up && m_editor->cursor().line() == 0;
bool const condition_for_down_to_end = direction == VerticalDirection::Down && m_editor->cursor().line() == (m_editor->line_count() - 1);
if (condition_for_up || condition_for_down || m_editor->is_wrapping_enabled())
m_editor->update_selection(event.shift());
// Shift + Up on the top line (or only line) selects from the cursor to the start of the line.
if (condition_for_up_to_beginning) {
m_editor->update_selection(event.shift());
move_to_line_beginning();
}
// Shift + Down on the bottom line (or only line) selects from the cursor to the end of the line.
if (condition_for_down_to_end) {
m_editor->update_selection(event.shift());
move_to_line_end();
}
move_one_helper(event, direction);
}