author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 06 Jul 2010 14:15:47 +0300 | |
changeset 46 | bc5a64e5bc3c |
parent 45 | 6b911d05207e |
child 50 | 377c906a8701 |
child 51 | f39ed5e045e0 |
permissions | -rw-r--r-- |
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/*! |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Widget to display contact image. |
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* Displays default avatar, when image is not set. |
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* |
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*/ |
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#include <QPainter> |
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#include <QGraphicsSceneResizeEvent> |
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#include <QDebug> |
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#include <hbstyle.h> |
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#include <hbiconitem.h> |
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#include <hbstyleloader.h> |
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#include <hbdeviceprofile.h> |
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#include "bubbleimagemanager.h" |
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#include "bubbleimagewidget.h" |
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static const qreal BubbbleImageRounding = 1.5; // units |
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BubbleImageWidget::BubbleImageWidget( |
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BubbleImageManager& imageManager, |
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QGraphicsItem* parent) |
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: HbWidget(parent), |
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mImageManager(imageManager), |
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mDefaultAvatar(0), |
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mKeepSquareShape(0) |
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{ |
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setFlag(QGraphicsItem::ItemHasNoContents, false); |
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// create avatar |
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mDefaultAvatar = new HbIconItem(this); |
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style()->setItemName( mDefaultAvatar, "default_avatar" ); |
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mDefaultAvatar->setAspectRatioMode(Qt::KeepAspectRatioByExpanding); |
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mDefaultAvatar->setAlignment(Qt::AlignCenter); |
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connect(&mImageManager, SIGNAL(pixmapReady(QString)), |
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this, SLOT(imageLoaded(QString))); |
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HbStyleLoader::registerFilePath( |
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QLatin1String(":/bubbleimagewidget.css")); |
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HbStyleLoader::registerFilePath( |
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QLatin1String(":/bubbleimagewidget.widgetml")); |
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} |
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BubbleImageWidget::~BubbleImageWidget() |
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{ |
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} |
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void BubbleImageWidget::setImage(const QString& name) |
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{ |
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mImageName = name; |
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mUpdateCount = 0; |
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if (!mImageName.isEmpty()) { |
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mDefaultAvatar->setVisible(false); |
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mDefaultAvatar->setIcon(HbIcon()); |
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mImageManager.loadImage(mImageName); |
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} else { |
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mDefaultAvatar->setIconName(QLatin1String("qtg_large_avatar")); |
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mDefaultAvatar->setVisible(true); |
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} |
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} |
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void BubbleImageWidget::imageLoaded(QString imageFileName) |
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{ |
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if (imageFileName==mImageName) { |
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update(); // does nothing if invisible |
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} |
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} |
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void BubbleImageWidget::paint( |
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QPainter* painter, |
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const QStyleOptionGraphicsItem* option, |
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QWidget* widget) |
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{ |
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Q_UNUSED(option); |
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Q_UNUSED(widget); |
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if (mImageName.isEmpty()) |
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return; |
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const QPixmap* pixmap = |
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mImageManager.pixmap(mImageName); |
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if (pixmap) { |
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painter->save(); |
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// up or downscales images to fill image area |
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QSize imageSize(pixmap->size()); |
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QSize sourceSize(rect().size().toSize()); |
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sourceSize.scale(imageSize,Qt::KeepAspectRatio); |
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QRect sourceRect(QPoint(0,0),sourceSize); |
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int xOff = (imageSize.width() - sourceSize.width())/2; |
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int yOff = (imageSize.height() - sourceSize.height())/2; |
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sourceRect.moveLeft(xOff); |
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sourceRect.moveTop(yOff); |
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// qDebug() << "imageSize:" << imageSize; |
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// qDebug() << "sourceRect:" << sourceRect; |
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painter->setRenderHint(QPainter::SmoothPixmapTransform); |
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painter->setRenderHint(QPainter::Antialiasing); |
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QPainterPath clip; |
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qreal rounding = BubbbleImageRounding * |
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HbDeviceProfile::profile(this).unitValue(); |
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clip.addRoundedRect(rect(), rounding, rounding); |
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painter->setClipPath(clip); |
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#ifdef __WINS__ |
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// sourceRect crashes emulator, RC ou1cimx1#320113 |
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painter->drawPixmap(rect().toRect(),*pixmap); |
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#else |
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painter->drawPixmap(rect().toRect(),*pixmap,sourceRect); |
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#endif |
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painter->restore(); |
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} |
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} |
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QSizeF BubbleImageWidget::sizeHint( |
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Qt::SizeHint which, |
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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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if (mKeepSquareShape && which==Qt::PreferredSize ) { |
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QSizeF hint(size().height(), size().height()); |
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if (hint.isNull()) { |
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hint = QSizeF(100,100); |
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} |
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// workaround, sometimes last resize event is missing |
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if ((size().width()!=size().height()) && (mUpdateCount<10)) { |
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BubbleImageWidget* mutableThis = const_cast<BubbleImageWidget*>(this); |
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mutableThis->updateGeometry(); |
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mutableThis->mUpdateCount++; // prevent looping |
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} |
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// qDebug() << "size hint: " << hint; |
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return hint; |
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} else { |
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return HbWidget::sizeHint(which,constraint); |
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} |
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} |
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void BubbleImageWidget::resizeEvent(QGraphicsSceneResizeEvent * event) |
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{ |
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// qDebug() << "size:" << event->newSize(); |
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if ( event->newSize().height()!= event->oldSize().height() && |
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event->newSize().height() > 1 ) { |
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updateGeometry(); |
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} |
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HbWidget::resizeEvent(event); |
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} |
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bool BubbleImageWidget::keepSquareShape() const |
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{ |
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return mKeepSquareShape; |
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} |
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void BubbleImageWidget::setKeepSquareShape(bool keepSquare) |
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{ |
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mKeepSquareShape = keepSquare; |
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if (mKeepSquareShape) { |
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setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Expanding); |
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} else { |
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setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding); |
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} |
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updateGeometry(); |
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