новые иконки в OpenBoard
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OpenBoard/src/domain/UBGraphicsVideoItem.cpp

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4.6 KiB

/*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "UBGraphicsVideoItem.h"
#include "UBGraphicsVideoItemDelegate.h"
#include "UBGraphicsDelegateFrame.h"
#include "core/memcheck.h"
UBGraphicsVideoItem::UBGraphicsVideoItem(const QUrl& pVideoFileUrl, QGraphicsItem *parent):
UBGraphicsMediaItem(pVideoFileUrl,parent)
, mShouldMove(false)
{
update();
mMediaObject = new Phonon::MediaObject(this);
mVideoWidget = new Phonon::VideoWidget(); // owned and destructed by the scene ...
Phonon::createPath(mMediaObject, mVideoWidget);
mAudioOutput = new Phonon::AudioOutput(Phonon::VideoCategory, this);
Phonon::createPath(mMediaObject, mAudioOutput);
/*
* The VideoVidget should recover the size from the original movie, but this is not always true expecially on
* windows and linux os. I don't know why?
* In this case the wiget size is equal to QSize(1,1).
*/
if(mVideoWidget->sizeHint() == QSize(1,1)){
mVideoWidget->resize(320,240);
}
setWidget(mVideoWidget);
UBGraphicsVideoItemDelegate* delegate = new UBGraphicsVideoItemDelegate(this, mMediaObject);
delegate->init();
setDelegate(delegate);
mDelegate->frame()->setOperationMode(UBGraphicsDelegateFrame::Resizing);
connect(mDelegate, SIGNAL(showOnDisplayChanged(bool)), this, SLOT(showOnDisplayChanged(bool)));
connect(mMediaObject, SIGNAL(hasVideoChanged(bool)), this, SLOT(hasVideoChanged(bool)));
}
UBGraphicsVideoItem::~UBGraphicsVideoItem()
{
//NOOP
}
UBItem* UBGraphicsVideoItem::deepCopy() const
{
QUrl videoUrl = this->mediaFileUrl();
UBGraphicsVideoItem *copy = new UBGraphicsVideoItem(videoUrl, parentItem());
connect(UBApplication::boardController, SIGNAL(activeSceneChanged()), copy, SLOT(activeSceneChanged()));
copy->setPos(this->pos());
// copy->setZValue(this->zValue());
UBGraphicsItem::assignZValue(copy, this->zValue());
copy->setTransform(this->transform());
copy->setFlag(QGraphicsItem::ItemIsMovable, true);
copy->setFlag(QGraphicsItem::ItemIsSelectable, true);
copy->setData(UBGraphicsItemData::ItemLayerType, this->data(UBGraphicsItemData::ItemLayerType));
copy->setData(UBGraphicsItemData::ItemLocked, this->data(UBGraphicsItemData::ItemLocked));
copy->setUuid(this->uuid()); // this is OK as long as Videos are imutable
copy->setSourceUrl(this->sourceUrl());
copy->resize(this->size());
// TODO UB 4.7 complete all members
return copy;
}
void UBGraphicsVideoItem::hasVideoChanged(bool hasVideo)
{
if(hasVideo && mMediaObject->isSeekable())
{
hasMediaChanged(hasVideo);
UBGraphicsVideoItemDelegate *vid = dynamic_cast<UBGraphicsVideoItemDelegate *>(mDelegate);
if (vid)
vid->updateTicker(initialPos());
}
}
void UBGraphicsVideoItem::showOnDisplayChanged(bool shown)
{
UBGraphicsMediaItem::showOnDisplayChanged(shown);
UBGraphicsVideoItemDelegate *vid = dynamic_cast<UBGraphicsVideoItemDelegate*>(mDelegate);
if (vid)
vid->toggleMute();
}
void UBGraphicsVideoItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
mShouldMove = (event->buttons() & Qt::LeftButton);
mMousePressPos = event->scenePos();
mMouseMovePos = mMousePressPos;
event->accept();
setSelected(true);
}
void UBGraphicsVideoItem::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{
if (mDelegate->delegated()->data(UBGraphicsItemData::ItemLocked).toBool())
return;
if(mShouldMove && (event->buttons() & Qt::LeftButton))
{
QPointF offset = event->scenePos() - mMousePressPos;
if (offset.toPoint().manhattanLength() > QApplication::startDragDistance())
{
QPointF mouseMovePos = mapFromScene(mMouseMovePos);
QPointF eventPos = mapFromScene( event->scenePos());
QPointF translation = eventPos - mouseMovePos;
translate(translation.x(), translation.y());
}
mMouseMovePos = event->scenePos();
}
event->accept();
}