mirror of
https://github.com/RGBCube/serenity
synced 2025-10-30 03:22:33 +00:00
eed6ce8b8b
When resizing the timeline view the timelines should scroll to the bottom when the resize operation reveals space that is beyond the view.
75 lines
1.7 KiB
C++
75 lines
1.7 KiB
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibGUI/Layout.h>
|
|
#include <LibGUI/ScrollableContainerWidget.h>
|
|
|
|
namespace GUI {
|
|
|
|
ScrollableContainerWidget::ScrollableContainerWidget()
|
|
{
|
|
}
|
|
|
|
ScrollableContainerWidget::~ScrollableContainerWidget()
|
|
{
|
|
}
|
|
|
|
void ScrollableContainerWidget::did_scroll()
|
|
{
|
|
AbstractScrollableWidget::did_scroll();
|
|
update_widget_position();
|
|
}
|
|
|
|
void ScrollableContainerWidget::update_widget_position()
|
|
{
|
|
if (!m_widget)
|
|
return;
|
|
m_widget->move_to(-horizontal_scrollbar().value(), -vertical_scrollbar().value());
|
|
}
|
|
|
|
void ScrollableContainerWidget::update_widget_size()
|
|
{
|
|
if (!m_widget)
|
|
return;
|
|
m_widget->do_layout();
|
|
if (m_widget->is_shrink_to_fit() && m_widget->layout()) {
|
|
auto new_size = frame_inner_rect().size();
|
|
auto preferred_size = m_widget->layout()->preferred_size();
|
|
if (preferred_size.width() != -1)
|
|
new_size.set_width(preferred_size.width());
|
|
if (preferred_size.height() != -1)
|
|
new_size.set_height(preferred_size.height());
|
|
m_widget->resize(new_size);
|
|
set_content_size(new_size);
|
|
}
|
|
}
|
|
|
|
void ScrollableContainerWidget::resize_event(GUI::ResizeEvent& event)
|
|
{
|
|
AbstractScrollableWidget::resize_event(event);
|
|
update_widget_position();
|
|
update_widget_size();
|
|
}
|
|
|
|
void ScrollableContainerWidget::set_widget(GUI::Widget* widget)
|
|
{
|
|
if (m_widget == widget)
|
|
return;
|
|
|
|
if (m_widget)
|
|
remove_child(*m_widget);
|
|
|
|
m_widget = widget;
|
|
|
|
if (m_widget) {
|
|
add_child(*m_widget);
|
|
m_widget->move_to_back();
|
|
}
|
|
update_widget_size();
|
|
update_widget_position();
|
|
}
|
|
|
|
}
|