plasma-framework/declarativeimports/core/declarativeitemcontainer.cpp
2012-09-20 14:22:40 +02:00

171 lines
5.8 KiB
C++

/***************************************************************************
* Copyright 2011 Marco Martin <mart@kde.org> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
***************************************************************************/
#include "declarativeitemcontainer_p.h"
#include <KDebug>
DeclarativeItemContainer::DeclarativeItemContainer(QGraphicsItem *parent)
: QGraphicsWidget(parent)
{
}
DeclarativeItemContainer::~DeclarativeItemContainer()
{
}
void DeclarativeItemContainer::setDeclarativeItem(QDeclarativeItem *item, bool reparent)
{
if (m_declarativeItem) {
disconnect(m_declarativeItem.data(), 0, this, 0);
}
setMinimumWidth(item->implicitWidth());
setMinimumHeight(item->implicitHeight());
resize(item->width(), item->height());
m_declarativeItem = item;
if (reparent) {
static_cast<QGraphicsItem *>(item)->setParentItem(this);
}
connect(m_declarativeItem.data(), SIGNAL(widthChanged()), this, SLOT(widthChanged()));
connect(m_declarativeItem.data(), SIGNAL(heightChanged()), this, SLOT(heightChanged()));
qreal minimumWidth = 0;
qreal minimumHeight = 0;
qreal maximumWidth = 0;
qreal maximumHeight = 0;
qreal preferredWidth = 0;
qreal preferredHeight = 0;
minimumWidth = item->property("minimumWidth").toReal();
minimumHeight = item->property("minimumHeight").toReal();
QObject::connect(item, SIGNAL(minimumWidthChanged()), this, SLOT(minimumWidthChanged()));
QObject::connect(item, SIGNAL(minimumHeightChanged()), this, SLOT(minimumHeightChanged()));
maximumWidth = item->property("maximumWidth").toReal();
maximumHeight = item->property("maximumHeight").toReal();
QObject::connect(item, SIGNAL(maximumWidthChanged()), this, SLOT(maximumWidthChanged()));
QObject::connect(item, SIGNAL(maximumHeightChanged()), this, SLOT(maximumHeightChanged()));
preferredWidth = item->property("preferredWidth").toReal();
preferredHeight = item->property("preferredHeight").toReal();
QObject::connect(item, SIGNAL(preferredWidthChanged()), this, SLOT(preferredWidthChanged()));
QObject::connect(item, SIGNAL(preferredHeightChanged()), this, SLOT(preferredHeightChanged()));
if (minimumWidth > 0 && minimumHeight > 0) {
setMinimumSize(minimumWidth, minimumHeight);
} else {
setMinimumSize(-1, -1);
}
if (maximumWidth > 0 && maximumHeight > 0) {
setMaximumSize(maximumWidth, maximumHeight);
} else {
setMaximumSize(-1, -1);
}
if (preferredWidth > 0 && preferredHeight > 0) {
setPreferredSize(preferredWidth, preferredHeight);
} else {
setPreferredSize(-1, -1);
}
}
QDeclarativeItem *DeclarativeItemContainer::declarativeItem() const
{
return m_declarativeItem.data();
}
void DeclarativeItemContainer::resizeEvent(QGraphicsSceneResizeEvent *event)
{
if (m_declarativeItem) {
m_declarativeItem.data()->setProperty("width", event->newSize().width());
m_declarativeItem.data()->setProperty("height", event->newSize().height());
}
}
void DeclarativeItemContainer::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
event->ignore();
}
void DeclarativeItemContainer::widthChanged()
{
if (!m_declarativeItem) {
return;
}
QSizeF newSize(size());
newSize.setWidth(m_declarativeItem.data()->width());
resize(newSize);
}
void DeclarativeItemContainer::heightChanged()
{
if (!m_declarativeItem) {
return;
}
QSizeF newSize(size());
newSize.setHeight(m_declarativeItem.data()->height());
resize(newSize);
}
void DeclarativeItemContainer::minimumWidthChanged()
{
qreal minimumWidth = m_declarativeItem.data()->property("minimumWidth").toReal();
setMinimumWidth(minimumWidth);
}
void DeclarativeItemContainer::minimumHeightChanged()
{
qreal minimumHeight = m_declarativeItem.data()->property("minimumHeight").toReal();
setMinimumHeight(minimumHeight);
}
void DeclarativeItemContainer::maximumWidthChanged()
{
qreal maximumWidth = m_declarativeItem.data()->property("maximumWidth").toReal();
setMaximumWidth(maximumWidth);
}
void DeclarativeItemContainer::maximumHeightChanged()
{
qreal maximumHeight = m_declarativeItem.data()->property("maximumHeight").toReal();
setMaximumHeight(maximumHeight);
}
void DeclarativeItemContainer::preferredWidthChanged()
{
qreal preferredWidth = m_declarativeItem.data()->property("preferredWidth").toReal();
setPreferredWidth(preferredWidth);
}
void DeclarativeItemContainer::preferredHeightChanged()
{
qreal preferredHeight = m_declarativeItem.data()->property("preferredHeight").toReal();
setPreferredHeight(preferredHeight);
}
#include "declarativeitemcontainer_p.moc"