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HexEditor: Add support for handling PageUp and PageDown key events

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In such case, move the cursor up or down the amount of bytes per row,
multiplied by the visible content rectangle height, if possible.
This commit is contained in:
Liav A 2022-02-19 16:55:15 +02:00 • committed by Andreas Kling
parent c8e691f917
commit 6a998c1a8b
1 changed files with 16 additions and 0 deletions
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16
Userland/Applications/HexEditor/HexEditor.cpp
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@ -432,6 +432,22 @@ void HexEditor::keydown_event(GUI::KeyEvent& event)
return;
}
if (event.key() == KeyCode::Key_PageUp) {
auto cursor_location_change = min(bytes_per_row() * visible_content_rect().height(), m_position);
if (cursor_location_change > 0) {
advance_cursor_backwards(cursor_location_change);
}
return;
}
if (event.key() == KeyCode::Key_PageDown) {
auto cursor_location_change = min(bytes_per_row() * visible_content_rect().height(), m_document->size() - m_position);
if (cursor_location_change > 0) {
advance_cursor_forward(cursor_location_change);
}
return;
}
if (!is_readonly() && !event.ctrl() && !event.alt() && !event.text().is_empty()) {
if (m_edit_mode == EditMode::Hex) {
hex_mode_keydown_event(event);