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GSplitter: Implement using the orientation-based geometry helpers.

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This commit is contained in:
Andreas Kling 2019-07-20 22:17:46 +02:00
parent 2a14ba99a7
commit 5b440a72f9
1 changed files with 14 additions and 29 deletions
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43
Libraries/LibGUI/GSplitter.cpp
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@ -36,13 +36,13 @@ void GSplitter::mousedown_event(GMouseEvent& event)
if (event.button() != GMouseButton::Left)
return;
m_resizing = true;
int x_or_y = m_orientation == Orientation::Horizontal ? event.x() : event.y();
int x_or_y = event.position().primary_offset_for_orientation(m_orientation);
GWidget* first_resizee { nullptr };
GWidget* second_resizee { nullptr };
int fudge = layout()->spacing();
for_each_child_widget([&](auto& child) {
int child_start = m_orientation == Orientation::Horizontal ? child.relative_rect().left() : child.relative_rect().top();
int child_end = m_orientation == Orientation::Horizontal ? child.relative_rect().right() : child.relative_rect().bottom();
int child_start = child.relative_rect().first_edge_for_orientation(m_orientation);
int child_end = child.relative_rect().last_edge_for_orientation(m_orientation);
if (x_or_y > child_end && (x_or_y - fudge) <= child_end)
first_resizee = &child;
if (x_or_y < child_start && (x_or_y + fudge) >= child_start)
@ -71,34 +71,19 @@ void GSplitter::mousemove_event(GMouseEvent& event)
int minimum_size = 0;
auto new_first_resizee_size = m_first_resizee_start_size;
auto new_second_resizee_size = m_second_resizee_start_size;
if (m_orientation == Orientation::Horizontal) {
new_first_resizee_size.set_width(new_first_resizee_size.width() + delta.x());
new_second_resizee_size.set_width(new_second_resizee_size.width() - delta.x());
if (new_first_resizee_size.width() < minimum_size) {
int correction = minimum_size - new_first_resizee_size.width();
new_first_resizee_size.set_width(new_first_resizee_size.width() + correction);
new_second_resizee_size.set_width(new_second_resizee_size.width() - correction);
}
if (new_second_resizee_size.width() < minimum_size) {
int correction = minimum_size - new_second_resizee_size.width();
new_second_resizee_size.set_width(new_second_resizee_size.width() + correction);
new_first_resizee_size.set_width(new_first_resizee_size.width() - correction);
}
} else {
new_first_resizee_size.set_height(new_first_resizee_size.height() + delta.y());
new_second_resizee_size.set_height(new_second_resizee_size.height() - delta.y());
new_first_resizee_size.set_primary_size_for_orientation(m_orientation, new_first_resizee_size.primary_size_for_orientation(m_orientation) + delta.primary_offset_for_orientation(m_orientation));
new_second_resizee_size.set_primary_size_for_orientation(m_orientation, new_second_resizee_size.primary_size_for_orientation(m_orientation) - delta.primary_offset_for_orientation(m_orientation));
if (new_first_resizee_size.height() < minimum_size) {
int correction = minimum_size - new_first_resizee_size.height();
new_first_resizee_size.set_height(new_first_resizee_size.height() + correction);
new_second_resizee_size.set_height(new_second_resizee_size.height() - correction);
}
if (new_second_resizee_size.height() < minimum_size) {
int correction = minimum_size - new_second_resizee_size.height();
new_second_resizee_size.set_height(new_second_resizee_size.height() + correction);
new_first_resizee_size.set_height(new_first_resizee_size.height() - correction);
}
if (new_first_resizee_size.primary_size_for_orientation(m_orientation) < minimum_size) {
int correction = minimum_size - new_first_resizee_size.primary_size_for_orientation(m_orientation);
new_first_resizee_size.set_primary_size_for_orientation(m_orientation, new_first_resizee_size.primary_size_for_orientation(m_orientation) + correction);
new_second_resizee_size.set_primary_size_for_orientation(m_orientation, new_second_resizee_size.primary_size_for_orientation(m_orientation) - correction);
}
if (new_second_resizee_size.primary_size_for_orientation(m_orientation) < minimum_size) {
int correction = minimum_size - new_second_resizee_size.primary_size_for_orientation(m_orientation);
new_second_resizee_size.set_primary_size_for_orientation(m_orientation, new_second_resizee_size.primary_size_for_orientation(m_orientation) + correction);
new_first_resizee_size.set_primary_size_for_orientation(m_orientation, new_first_resizee_size.primary_size_for_orientation(m_orientation) - correction);
}
m_first_resizee->set_preferred_size(new_first_resizee_size);
m_second_resizee->set_preferred_size(new_second_resizee_size);