104 lines
3.2 KiB
C++
104 lines
3.2 KiB
C++
/***********************************************************************/
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/* stackedlayout.c */
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/* */
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/* Copyright(C) 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>*/
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/* */
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/* This library is free software; you can redistribute it and/or */
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/* modify it under the terms of the GNU Lesser General Public */
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/* License as published by the Free Software Foundation; either */
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/* version 2.1 of the License, or (at your option) any later version. */
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/* */
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/* This library is distributed in the hope that it will be useful, */
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/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU */
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/* Lesser General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU Lesser General Public */
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/* License along with this library; if not, write to the Free Software */
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/* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA */
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/* 02110-1301 USA */
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/***********************************************************************/
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#include "stackedlayout.h"
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#include <QGraphicsWidget>
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#include <QDebug>
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StackedLayout::StackedLayout(QGraphicsLayoutItem *parent)
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: QGraphicsLayout(parent), m_currentWidgetIndex(-1)
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{
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}
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StackedLayout::~StackedLayout()
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{
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}
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void StackedLayout::setGeometry(const QRectF &rect)
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{
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QGraphicsLayout::setGeometry(rect);
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for(int i = 0; i < items.size(); i++) {
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itemAt(i)->setGeometry(rect);
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}
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}
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QSizeF StackedLayout::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const
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{
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Q_UNUSED(which);
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Q_UNUSED(constraint);
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qreal left, top, right, bottom;
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getContentsMargins(&left, &top, &right, &bottom);
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QSizeF currentWidgetSize = itemAt(m_currentWidgetIndex)->effectiveSizeHint(which, constraint);
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return QSizeF( left + right + currentWidgetSize.width(), right + bottom + currentWidgetSize.height());
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}
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int StackedLayout::count() const
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{
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return items.count();
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}
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QGraphicsLayoutItem *StackedLayout::itemAt(int i) const
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{
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return items.at(i);
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}
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void StackedLayout::insertWidget(QGraphicsLayoutItem *item, int pos)
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{
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if(!pos && (m_currentWidgetIndex == -1)) {
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m_currentWidgetIndex = 0;
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} else {
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item->graphicsItem()->hide();
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}
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items.insert(pos, item);
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}
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void StackedLayout::addWidget(QGraphicsLayoutItem *item)
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{
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insertWidget(item, items.size());
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}
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void StackedLayout::removeAt(int index)
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{
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items.removeAt(index);
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}
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void StackedLayout::setCurrentWidgetIndex(qint32 index)
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{
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QGraphicsItem *currentWidget = itemAt(m_currentWidgetIndex)->graphicsItem();
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QGraphicsItem *hidenWidget = itemAt(index)->graphicsItem();
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currentWidget->hide();
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hidenWidget->show();
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m_currentWidgetIndex = index;
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}
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qint32 StackedLayout::currentWidgetIndex() const
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{
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return m_currentWidgetIndex;
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}
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