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