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92 lines
1.7 KiB
C++
92 lines
1.7 KiB
C++
// Aseprite UI Library
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// Copyright (C) 2019 Igara Studio S.A.
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// Copyright (C) 2001-2015 David Capello
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//
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// This file is released under the terms of the MIT license.
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// Read LICENSE.txt for more information.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "ui/panel.h"
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#include "ui/resize_event.h"
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#include "ui/size_hint_event.h"
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#include <algorithm>
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namespace ui {
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Panel::Panel()
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: m_multiple(false)
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{
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}
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void Panel::showChild(Widget* widget)
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{
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m_multiple = false;
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for (auto child : children()) {
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if (!child->isDecorative())
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child->setVisible(child == widget);
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}
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layout();
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}
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void Panel::showAllChildren()
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{
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m_multiple = true;
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for (auto child : children()) {
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if (!child->isDecorative())
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child->setVisible(true);
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}
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layout();
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}
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void Panel::onResize(ResizeEvent& ev)
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{
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if (m_multiple) {
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VBox::onResize(ev);
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return;
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}
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// Copy the new position rectangle
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setBoundsQuietly(ev.bounds());
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// Set all the children to the same "cpos"
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gfx::Rect cpos = childrenBounds();
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for (auto child : children()) {
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if (!child->isDecorative())
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child->setBounds(cpos);
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}
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}
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void Panel::onSizeHint(SizeHintEvent& ev)
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{
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if (m_multiple) {
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VBox::onSizeHint(ev);
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return;
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}
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gfx::Size maxSize(0, 0);
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gfx::Size reqSize;
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for (auto child : children()) {
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if (!child->isDecorative()) {
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reqSize = child->sizeHint();
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maxSize.w = std::max(maxSize.w, reqSize.w);
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maxSize.h = std::max(maxSize.h, reqSize.h);
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}
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}
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if (hasText())
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maxSize.w = std::max(maxSize.w, textWidth());
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ev.setSizeHint(
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maxSize.w + border().width(),
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maxSize.h + border().height());
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}
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} // namespace ui
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