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Magnifier: Add ability to drag the location when it is locked

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This commit is contained in:
FrHun 2022-12-06 01:19:14 +01:00 • committed by Sam Atkins
parent 9d3debcbbe
commit f413033a50
2 changed files with 32 additions and 0 deletions
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26
Userland/Applications/Magnifier/MagnifierWidget.cpp
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@ -156,3 +156,29 @@ void MagnifierWidget::second_paint_event(GUI::PaintEvent&)
m_color_filter->apply(*target, rect, *clone, rect);
}
void MagnifierWidget::mousemove_event(GUI::MouseEvent& event)
{
if (m_locked_location.has_value() && m_currently_dragging && !m_pause_capture) {
auto current_position = event.position();
auto difference = current_position - m_last_drag_position;
Gfx::IntPoint remainder = { difference.x() % m_scale_factor, difference.y() % m_scale_factor };
auto moved_by = difference / m_scale_factor;
m_locked_location = m_locked_location.value() - moved_by;
m_last_drag_position = current_position - remainder;
}
}
void MagnifierWidget::mousedown_event(GUI::MouseEvent& event)
{
if (event.button() == GUI::MouseButton::Primary && !m_pause_capture) {
m_currently_dragging = true;
m_last_drag_position = event.position();
}
}
void MagnifierWidget::mouseup_event(GUI::MouseEvent& event)
{
if (event.button() == GUI::MouseButton::Primary)
m_currently_dragging = false;
}