100 lines
2.5 KiB
C++
100 lines
2.5 KiB
C++
/*
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Copyright (C) 2009 Igor Trindade Oliveira <igor.oliveira@indt.org.br>
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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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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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You should have received a copy of the GNU Lesser General Public
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License along with this library. If not, see <http://www.gnu.org/licenses/>.
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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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