author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:14:51 +0300 | |
branch | RCL_3 |
changeset 59 | 8e5f6eea9c9f |
permissions | -rw-r--r-- |
59
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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: glxzoomwidget.cpp |
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* description of the class GlxGlxZoomWidget which controls the Zoom behavior of coverflow. |
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* |
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*/ |
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#include <QPinchGesture> |
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#include <hbiconitem.h> |
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#include <QTimeLine> |
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#include <QGesture> |
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#include <hbinstance.h> |
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#include "glximagedecoderwrapper.h" |
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#include "glxmodelparm.h" |
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#include "glxzoomwidget.h" |
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|
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const int MAXZVALUE = 100; |
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const int MINZVALUE = 0; |
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const int NOOFSTEPSZI = 24; |
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const int NOOFSTEPSZO = 18; |
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const float MAXDTZOOMIN = 3.5; |
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|
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GlxZoomWidget::GlxZoomWidget(QGraphicsItem *parent):HbScrollArea(parent), |
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mModel(NULL), mMinZValue(MINZVALUE), |
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mMaxZValue(MAXZVALUE), mTimerId(0), |
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mImageDecodeRequestSend(false), |
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mPinchGestureOngoing(false), mDecodedImageAvailable(false), |
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mZoomOngoing(false) |
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{ |
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grabGesture(Qt::PinchGesture); |
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grabGesture(Qt::TapGesture); |
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setAcceptTouchEvents(true) ; |
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setFrictionEnabled(true); |
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setZValue(mMinZValue); |
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//create the child items and background |
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mZoomWidget = new QGraphicsWidget(this); |
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mZoomItem = new QGraphicsPixmapItem(mZoomWidget); |
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mZoomItem->setTransformationMode(Qt::SmoothTransformation); |
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//the black background |
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//replace when a proper substitute for setting backgrounds is known |
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mBlackBackgroundItem = new HbIconItem(this); |
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mBlackBackgroundItem->setBrush(QBrush(Qt::black)); |
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mBlackBackgroundItem->hide(); |
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//does not work so is commented |
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//setBackgroundItem(mBlackBackgroundItem); |
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|
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//initializing the image decoder |
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mImageDecoder = new GlxImageDecoderWrapper; |
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|
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setVerticalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff); |
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setHorizontalScrollBarPolicy(HbScrollArea::ScrollBarAlwaysOff); |
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//AA: signal and slot to perform double tap animation |
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//after every step redraw, signal is emitted to perform the next step |
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connect( this, SIGNAL( stepZoom() ), this, SLOT( animateDoubleTap() ), Qt::QueuedConnection ); |
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} |
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|
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GlxZoomWidget::~GlxZoomWidget() |
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{ |
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//disconnect all existing signals |
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disconnect(this,SIGNAL( pinchGestureReceived(int) ), this, SLOT( sendDecodeRequest(int) ) ); |
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//AA |
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disconnect( this, SIGNAL( stepZoom() ), this, SLOT( animateDoubleTap())); |
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//no Null checks required |
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delete mZoomItem; |
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// delete mZoomWidget; //as this is a content widegt it will automatically be deleted |
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delete mBlackBackgroundItem; |
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//reset the decoder to cancel pending tasks |
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if(mImageDecoder) { |
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mImageDecoder->resetDecoder(); |
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delete mImageDecoder; |
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} |
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} |
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|
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void GlxZoomWidget::setModel (QAbstractItemModel *model) |
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{ |
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if(model) |
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{ |
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mModel = model; |
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retreiveFocusedImage(); //Update mZoomItem with focused Image |
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connect( mModel, SIGNAL( dataChanged(QModelIndex,QModelIndex) ), this, SLOT( dataChanged(QModelIndex,QModelIndex) ) ); |
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connect( mModel, SIGNAL( destroyed() ), this, SLOT( modelDestroyed() ) ); |
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} |
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} |
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|
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void GlxZoomWidget::setWindowSize(QSize windowSize) |
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{ |
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mWindowSize = windowSize; |
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diff
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|
98 |
mBlackBackgroundItem->setGeometry(QRectF(QPointF(0,0), mWindowSize)); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
99 |
//try to reset the max and min zoomed size here |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
100 |
//In case the zoom widget is in background reset it |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
101 |
if(!mZoomOngoing && mModel) { |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
102 |
retreiveFocusedImage(); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
103 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
104 |
setZoomParams(); |
8e5f6eea9c9f
Revision: 201033
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diff
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|
105 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
106 |
|
8e5f6eea9c9f
Revision: 201033
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diff
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|
107 |
void GlxZoomWidget::forceZoomToBackground() |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
108 |
{ |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
109 |
mBlackBackgroundItem->hide(); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
110 |
//push the widget back to background |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
111 |
setZValue(mMinZValue); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
112 |
mZoomOngoing = false; |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
113 |
emit zoomWidgetMovedBackground(mFocusIndex); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
114 |
//this actually resets the ZoomWidget and decoder |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
115 |
if(mImageDecoder) { |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
116 |
mImageDecoder->resetDecoder(); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
117 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
118 |
retreiveFocusedImage(); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
119 |
|
8e5f6eea9c9f
Revision: 201033
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diff
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|
120 |
} |
8e5f6eea9c9f
Revision: 201033
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diff
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|
121 |
|
8e5f6eea9c9f
Revision: 201033
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diff
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|
122 |
void GlxZoomWidget::indexChanged(int index) |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
123 |
{ |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
124 |
if(mFocusIndex != index) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
125 |
mImageDecoder->resetDecoder();//reset the decoder first to cancel pending tasks |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
126 |
mImageDecodeRequestSend = false; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
127 |
mDecodedImageAvailable = false; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
128 |
retreiveFocusedImage(); //Update mZoomItem with focused Image |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
129 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
130 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
131 |
|
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
132 |
void GlxZoomWidget::cleanUp() |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
133 |
{ |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
134 |
if(mModel) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
135 |
disconnect( mModel, SIGNAL( dataChanged(QModelIndex,QModelIndex) ), this, SLOT( dataChanged(QModelIndex,QModelIndex) ) ); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
136 |
disconnect( mModel, SIGNAL( destroyed() ), this, SLOT( modelDestroyed() ) ); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
137 |
mModel = NULL; |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
138 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
139 |
if(mImageDecoder) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
140 |
mImageDecoder->resetDecoder(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
141 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
142 |
mZoomItem->setPixmap(QPixmap()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
143 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
144 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
145 |
void GlxZoomWidget::activate() |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
146 |
{ |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
147 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
148 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
149 |
void GlxZoomWidget::setMinMaxZValue(int minZvalue, int maxZvalue) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
150 |
{ |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
151 |
mMinZValue = minZvalue; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
152 |
mMaxZValue = maxZvalue; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
153 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
154 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
155 |
void GlxZoomWidget::connectDecodeRequestToPinchEvent() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
156 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
157 |
connect(this,SIGNAL( pinchGestureReceived(int) ), this, SLOT( sendDecodeRequest(int) ), Qt::QueuedConnection ); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
158 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
159 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
160 |
bool GlxZoomWidget::sceneEvent(QEvent *event) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
161 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
162 |
bool consume(false); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
163 |
if (event->type() == QEvent::Gesture) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
164 |
consume = executeGestureEvent(this, static_cast<QGestureEvent*>(event)); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
165 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
166 |
if(!consume) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
167 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
168 |
consume = HbScrollArea::sceneEvent(event); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
169 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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|
170 |
return consume; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
171 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
172 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
173 |
bool GlxZoomWidget::sceneEventFilter(QGraphicsItem *watched,QEvent *event) |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
174 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
175 |
qDebug( "GlxZoomWidget::sceneEventFilter enter event type %d ", event->type() ); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
176 |
bool consume = false; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
177 |
if (event->type() == QEvent::Gesture) { |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
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|
178 |
consume = executeGestureEvent(watched, static_cast<QGestureEvent*>(event)); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
179 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
180 |
|
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
181 |
if(!consume) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
182 |
consume = HbScrollArea::sceneEventFilter(watched,event); |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
183 |
} |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
184 |
return consume; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
185 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
186 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
187 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
188 |
bool GlxZoomWidget::executeGestureEvent(QGraphicsItem *source,QGestureEvent *event) |
8e5f6eea9c9f
Revision: 201033
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parents:
diff
changeset
|
189 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
190 |
if(QTapGesture *gesture = static_cast<QTapGesture *>(event->gesture(Qt::TapGesture))) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
191 |
if (gesture->state() == Qt::GestureFinished) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
192 |
if(!mTimerId) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
193 |
mTimerId = startTimer( DOUBLETAP_TIMEINTERVAL ); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
194 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
195 |
else { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
196 |
killTimer(mTimerId); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
197 |
mTimerId = 0; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
198 |
animateZoomOut(hbInstance->allMainWindows().first()->mapToScene(gesture->position().toPoint())); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
199 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
200 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
201 |
event->accept(gesture); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
202 |
return true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
204 |
if (QGesture *pinch = event->gesture(Qt::PinchGesture)) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
205 |
if (isFocussedItemCorrupt()){ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
206 |
return true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
207 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
208 |
QPinchGesture* pinchG = static_cast<QPinchGesture *>(pinch); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
209 |
QPinchGesture::ChangeFlags changeFlags = pinchG->changeFlags(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
210 |
if (changeFlags & QPinchGesture::ScaleFactorChanged) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
211 |
mPinchGestureOngoing = true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
212 |
mZoomOngoing = true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
213 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
214 |
//retreive the gesture values |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
215 |
qreal value = pinchG->scaleFactor() / pinchG->lastScaleFactor(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
216 |
QPointF center = pinchG->property("centerPoint").toPointF(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
217 |
//set the gesture center to the scene coordinates |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
218 |
QPointF sceneGestureCenter = hbInstance->allMainWindows().first()->mapToScene(center.toPoint()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
219 |
zoomImage(value, sceneGestureCenter); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
220 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
221 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
222 |
if (pinchG->state() == Qt::GestureStarted) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
223 |
emit pinchGestureReceived(mFocusIndex); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
224 |
//bring the zoom widget to foreground |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
225 |
setZValue(mMaxZValue); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
226 |
//show the black background |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
227 |
mBlackBackgroundItem->setParentItem(parentItem()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
228 |
mBlackBackgroundItem->setZValue(mMaxZValue - 1); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
229 |
mBlackBackgroundItem->show(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
230 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
231 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
232 |
if (pinchG->state() == Qt::GestureFinished) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
233 |
//For giving a spring effect when user has zoomed more than normal. |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
234 |
if(mStepCurrentSize.width() > mMaxScaleDecSize.width()) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
235 |
//scale the image to limited size |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
236 |
qreal value = mMaxScaleDecSize.width()/mCurrentSize.width(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
237 |
QPointF center(mWindowSize.width()/2, mWindowSize.height()/2); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
238 |
QPointF sceneGestureCenter = source->sceneTransform().map(center); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
239 |
zoomImage(value, sceneGestureCenter); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
240 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
241 |
mPinchGestureOngoing = false; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
242 |
//finalize the transforms to the geometry else panning will not work |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
243 |
finalizeWidgetTransform(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
244 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
245 |
//push the Zoom widget to background when zoomed image size nears FS image |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
246 |
if(mStepCurrentSize.width() <= mMinDecScaleSize.width()*1.3) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
247 |
mBlackBackgroundItem->hide(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
248 |
//push the widget back to background |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
249 |
setZValue(mMinZValue); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
250 |
mZoomOngoing = false; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
251 |
emit zoomWidgetMovedBackground(mFocusIndex); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
252 |
//do not reset the transform here as it will then zoom-in the widget to decoded image size |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
253 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
254 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
255 |
//gesture accepted |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
256 |
return true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
257 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
258 |
//gesture rejected |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
259 |
if(!mPinchGestureOngoing) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
260 |
return false; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
261 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
262 |
return true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
263 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
264 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
265 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
266 |
void GlxZoomWidget::zoomImage(qreal zoomFactor, QPointF center) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
267 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
268 |
// Pinch event filtering for very small zoom factors |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
269 |
if (qAbs(1.0 - zoomFactor) < 0.007) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
270 |
return; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
271 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
272 |
adjustGestureCenter(center, zoomFactor); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
273 |
QSizeF requiredSize(mCurrentSize.width()*zoomFactor, mCurrentSize.height()*zoomFactor); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
274 |
limitRequiredSize(requiredSize); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
275 |
if(requiredSize != mCurrentSize) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
276 |
QTransform zoomTransform = mZoomWidget->transform(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
277 |
QPointF transformedCenter = mZoomWidget->sceneTransform().inverted().map(center); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
278 |
zoomTransform.translate(transformedCenter.x(),transformedCenter.y()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
279 |
zoomTransform.scale(requiredSize.width()/mCurrentSize.width(), requiredSize.height()/mCurrentSize.height()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
280 |
zoomTransform.translate(-transformedCenter.x(),-transformedCenter.y()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
281 |
mZoomWidget->setTransform(zoomTransform); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
282 |
mCurrentSize = requiredSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
283 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
284 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
285 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
286 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
287 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
288 |
void GlxZoomWidget::limitRequiredSize(QSizeF &requiredSize) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
289 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
290 |
if(requiredSize.width() > mMaxScaleSize.width() ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
291 |
requiredSize = mMaxScaleSize ; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
292 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
293 |
else if(requiredSize.width() < mMinDecScaleSize.width() ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
294 |
requiredSize = mMinDecScaleSize ; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
295 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
296 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
299 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
//makes sure that the gesture is on the screen center if the image is smaller than the screen |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
void GlxZoomWidget::adjustGestureCenter(QPointF & gestureCenter, qreal& zoomFactor) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
//clip zoom factor for pinch zoom. Double tap zoomfactor should never exceed |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
//1.2 or 0.8 in any given step |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
/* if(zoomFactor > 1.2 ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
307 |
zoomFactor = 1.2; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
308 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
309 |
if(zoomFactor < 0.7 ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
zoomFactor = 0.8; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
}*/ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
313 |
qDebug("AA::adjustGestureCenter::ZoomFactor (%f)",zoomFactor); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
314 |
QPointF itemOriginPos = mZoomWidget->sceneTransform().map(QPointF(0,0)); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
315 |
QPointF gesCenter = mZoomWidget->sceneTransform().map(gestureCenter); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
317 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
//keep smaller image centered irrespective of zoomin or zoom out |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
//note, only if the image is smaller than window size, else preserve the |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
//gesture center. Adjustments need to be done for both height/width |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
321 |
//only one of them will be applicable, unless the image is smaller than |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
//fullscreen size on both dimensions |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
if( (mCurrentSize.width() <= mWindowSize.width())) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
//requires adjustment only in portrait orientation |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
if(mWindowSize.width() > mWindowSize.height()) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
gestureCenter.setX(mWindowSize.width()/2); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
//handle the case when CurrentSize is grater than window size |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
//this applies to zoomout flow |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
330 |
else { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
//when the image is positioned beyond the left edge of the window |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
//clamp the image to left edge |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
if(itemOriginPos.x() >= 0) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
gestureCenter.setX(itemOriginPos.x()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
336 |
//same applies when the image needs clamping on right edge |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
337 |
else if(itemOriginPos.x()+ mCurrentSize.width() <= mWindowSize.width()){ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
338 |
gestureCenter.setX(itemOriginPos.x() + mCurrentSize.width()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
//else no clamping is required, theg esture center can be preserved |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
//as is for the zoom step |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
//same logic applied for Y axis |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
if( (mCurrentSize.height() <= mWindowSize.height()) ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
//requires adjustment only in landscape orientation |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
if(mWindowSize.width() < mWindowSize.height()) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
gestureCenter.setY(mWindowSize.height()/2); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
else { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
if(itemOriginPos.y() >= 0) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
gestureCenter.setY(itemOriginPos.y()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
else if(itemOriginPos.y()+ mCurrentSize.height() <= mWindowSize.height()){ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
gestureCenter.setY(itemOriginPos.y() + mCurrentSize.height()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
//special case for images that are smaller on both sides |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
//centering of the gesture is important to prevent movement of the image |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
//while zoom in or out |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
if( (mCurrentSize.height() <= mWindowSize.height()) && (mCurrentSize.width() <= mWindowSize.width()) ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
gestureCenter.setX(mWindowSize.width()/2); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
gestureCenter.setY(mWindowSize.height()/2); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
//reduce the ZF so as to show a decelerated effect at max/min levels |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
/* |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
if(mCurrentSize.width() > mMaxScaleDecSize.width() && zoomFactor > 1 ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
zoomFactor = 1.0 + ((zoomFactor-1.0)/6) ; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
if(mCurrentSize.width() < mMinDecScaleSize.width() && zoomFactor < 1 ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
zoomFactor = 1.0 - ((1.0-zoomFactor)/6) ; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
*/ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
//get the latest focused image and set it to mZoomItem |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
void GlxZoomWidget::retreiveFocusedImage() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
QPixmap targetPixmap(getFocusedImage()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
//initialize all the variables wrt the focussed pixmap |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
mZoomWidget->resetTransform(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
mItemSize = targetPixmap.size(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
mMaxScaleSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
mMaxScaleSize.scale(mWindowSize*13, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
mMaxScaleDecSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
mMaxScaleDecSize.scale(mWindowSize*7, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
mMinScaleSize = mItemSize* 0.7; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
mMinDecScaleSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
QPointF originPos = sceneTransform().map(QPointF(0,0)); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
mZoomWidget->setGeometry(QRectF(QPointF(mWindowSize.width()/2 - mItemSize.width()/2,mWindowSize.height()/2 - mItemSize.height()/2),mItemSize )); //chk this |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
mZoomWidget->setPreferredSize(mItemSize); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
mZoomItem->setPixmap(targetPixmap); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
mCurrentSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
mStepCurrentSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
setContentWidget(mZoomWidget); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
show(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
void GlxZoomWidget::dataChanged(QModelIndex startIndex, QModelIndex endIndex) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
if(mFocusIndex >= startIndex.row() && mFocusIndex <= endIndex.row()) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
//get the latest image from the model |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
//will replace a decoded image if callback is received after decoded image is received so a fix is required |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
//retreiveFocusedImage(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
if(!mDecodedImageAvailable) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
QPixmap targetPixmap(getFocusedImage()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
412 |
mItemSize = targetPixmap.size(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
413 |
mMaxScaleSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
mMaxScaleSize.scale(mWindowSize*13, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
mMaxScaleDecSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
416 |
mMaxScaleDecSize.scale(mWindowSize*7, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
mMinScaleSize = mItemSize* 0.7; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
418 |
mMinDecScaleSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
419 |
mCurrentSize = mItemSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
420 |
mZoomItem->setPixmap(targetPixmap); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
finalizeWidgetTransform(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
425 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
426 |
void GlxZoomWidget::modelDestroyed() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
mModel = NULL ; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
void GlxZoomWidget::indexChanged() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
retreiveFocusedImage(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
void GlxZoomWidget::decodedImageAvailable() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
437 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
//new bitmap with better resolution is available |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
//so set it to the item |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
440 |
QPixmap decodedPixmap = mImageDecoder->getPixmap(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
441 |
disconnect(mImageDecoder, SIGNAL(pixmapDecoded()), this, SLOT(decodedImageAvailable())); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
if(decodedPixmap.isNull()){ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
return; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
444 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
445 |
mDecodedImageAvailable = true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
mZoomItem->setPixmap(decodedPixmap); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
mItemSize = decodedPixmap.size(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
//this is important if not done then old transforms will be applied on the new image |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
finalizeWidgetTransform(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
void GlxZoomWidget::sendDecodeRequest(int index) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
if(!mImageDecodeRequestSend) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
455 |
QString imagePath = (mModel->data(mModel->index(index,0),GlxUriRole)).value<QString>(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
mImageDecoder->decodeImage(imagePath); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
connect(mImageDecoder, SIGNAL(pixmapDecoded()), this, SLOT(decodedImageAvailable())); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
mImageDecodeRequestSend = true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
459 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
461 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
462 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
void GlxZoomWidget::finalizeWidgetTransform() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
QPointF widgetPos = mZoomWidget->sceneTransform().map(QPointF(0,0)); //Map the origin wrt scene |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
mZoomWidget->resetTransform(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
mZoomWidget->scale(mCurrentSize.width()/mItemSize.width(), mCurrentSize.height()/mItemSize.height()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
mZoomWidget->setGeometry(QRectF(widgetPos , mCurrentSize)); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
// this updates HbScrollArea on the sizeHint of ZoomWidget |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
mZoomWidget->setPreferredSize(mCurrentSize); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
mStepCurrentSize = mCurrentSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
QPixmap GlxZoomWidget::getFocusedImage() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
mFocusIndex = mModel->data(mModel->index(0,0),GlxFocusIndexRole).value<int>(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
477 |
QVariant iconVariant = mModel->data(mModel->index(mFocusIndex,0),GlxFsImageRole); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
478 |
QVariant sizeVariant = mModel->data(mModel->index(mFocusIndex,0),GlxDimensionsRole); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
QPixmap targetPixmap; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
//retreive pixmap from the HbIcon received from model |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
//should change the model to return and save pixmaps and convert to HbIcons Instead |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
if ( iconVariant.isValid() && iconVariant.canConvert<HbIcon> () ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
QIcon itemIcon = iconVariant.value<HbIcon>().qicon(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
QSize itemSize = itemIcon.actualSize(mWindowSize); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
QSize scaleSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
if(sizeVariant.isValid() && sizeVariant.canConvert<QSize> ()) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
scaleSize = sizeVariant.toSize(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
488 |
if(!(scaleSize.width() < mWindowSize.width() && scaleSize.height() < mWindowSize.height())) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
489 |
scaleSize = mWindowSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
492 |
targetPixmap = itemIcon.pixmap(itemSize).scaled(scaleSize, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
493 |
mItemSize = targetPixmap.size(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
return targetPixmap; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
void GlxZoomWidget::setZoomParams() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
if (mModel) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
QVariant sizeVariant = mModel->data(mModel->index(mFocusIndex,0),GlxDimensionsRole); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
503 |
QSize fsSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
504 |
if(sizeVariant.isValid() && sizeVariant.canConvert<QSize> ()) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
fsSize = sizeVariant.toSize(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
if(!(fsSize.width() < mWindowSize.width() && fsSize.height() < mWindowSize.height())) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
fsSize.scale( mWindowSize, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
mMaxScaleSize = fsSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
mMaxScaleSize.scale(mWindowSize*13, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
mMaxScaleDecSize = fsSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
mMaxScaleDecSize.scale(mWindowSize*7, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
mMinScaleSize = fsSize* 0.7; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
mMinDecScaleSize = fsSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
519 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
520 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
void GlxZoomWidget::animateZoomIn(QPointF animRefPoint) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
if (isFocussedItemCorrupt()){ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
return; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
emit pinchGestureReceived(mFocusIndex); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
//bring the zoom widget to foreground |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
mZoomOngoing = true; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
setZValue(mMaxZValue); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
//show the black background |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
mBlackBackgroundItem->setParentItem(parentItem()); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
534 |
mBlackBackgroundItem->setZValue(mMaxZValue - 1); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
535 |
mBlackBackgroundItem->show(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
536 |
m_AnimRefPoint = animRefPoint; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
537 |
QSizeF requiredSize = mMinDecScaleSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
538 |
//MAXDTZOOMIN size is set to 3.5 times window size |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
539 |
requiredSize.scale(mWindowSize*MAXDTZOOMIN, Qt::KeepAspectRatio); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
540 |
m_FinalAnimatedScaleFactor = requiredSize.width()/mMinDecScaleSize.width(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
541 |
//initiale variable for double tap animation |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
542 |
mIncSF = 1; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
543 |
//preserve the size when zoom out was initiated, requried for calculates applicable/req scale factor |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
544 |
//SF has to always greater than 1 for upscaling, hence range for zoomout is [1,m_FinalAnimatedScaleFactor] |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
545 |
msfInc = (m_FinalAnimatedScaleFactor-1)/(NOOFSTEPSZI); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
546 |
//preserve the size when zoom out was initiated, requried for calculates applicable/req scale factor |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
547 |
minitSize = mCurrentSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
548 |
//set the no. of steps for double tap animation |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
549 |
mdoubletapSteps = NOOFSTEPSZI; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
550 |
animateDoubleTap(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
551 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
552 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
553 |
void GlxZoomWidget::animateZoomOut(QPointF animRefPoint) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
554 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
555 |
m_AnimRefPoint = animRefPoint; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
556 |
//Zoom out to FS (mMinDecScaleSize) from the currentsize |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
557 |
m_FinalAnimatedScaleFactor = mMinDecScaleSize.width()/mCurrentSize.width(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
558 |
//initiale variable for double tap animation |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
559 |
mIncSF = 1; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
560 |
//calculate the step increment SF for each step |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
561 |
msfInc = (1 - m_FinalAnimatedScaleFactor)/(NOOFSTEPSZO); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
562 |
//preserve the size when zoom out was initiated, requried for calculates applicable/req scale factor |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
563 |
minitSize = mCurrentSize; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
564 |
//set the no. of steps for double tap animation |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
565 |
//AA:: the no.of steps are kept the same for zoomin/zoomout, however tweaking them can be considered |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
566 |
mdoubletapSteps = NOOFSTEPSZO; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
567 |
animateDoubleTap(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
//AA |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
569 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
570 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
571 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
573 |
void GlxZoomWidget::animateDoubleTap() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
574 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
//calculate increamental scale factor based on the step and then calculate the applicable scale factor this step |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
576 |
//increamental SF works on the ImageSize when double tap started, applicable(required) SF calculates the delate SF |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
577 |
if(m_FinalAnimatedScaleFactor > 1) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
578 |
//AA::zoomin case |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
mIncSF += msfInc; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
580 |
qreal reqSF = (minitSize.width()*(mIncSF))/mCurrentSize.width(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
581 |
zoomImage(reqSF, m_AnimRefPoint); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
582 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
583 |
if(m_FinalAnimatedScaleFactor < 1) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
584 |
//AA::zoomout case |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
585 |
mIncSF -= msfInc; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
586 |
qreal reqSF = (minitSize.width()* mIncSF)/mCurrentSize.width(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
587 |
zoomImage(reqSF, m_AnimRefPoint); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
588 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
589 |
//check if all steps are done,if not emit signal to continue the animation |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
590 |
if(mdoubletapSteps > 1 ){ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
591 |
mdoubletapSteps -= 1; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
592 |
emit stepZoom(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
593 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
594 |
else { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
595 |
//animation is complete, finalize the widget transform using setgeometry |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
596 |
//reset the counter |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
597 |
mdoubletapSteps = 0; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
598 |
animationTimeLineFinished(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
599 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
600 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
601 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
602 |
void GlxZoomWidget::animationTimeLineFinished() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
603 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
604 |
finalizeWidgetTransform(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
605 |
//push the Zoom widget to background when zoomed image size nears FS image |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
606 |
if(mStepCurrentSize.width() <= mMinDecScaleSize.width()*1.3) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
mBlackBackgroundItem->hide(); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
//push the widget back to background |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
setZValue(mMinZValue); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
610 |
mZoomOngoing = false; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
611 |
emit zoomWidgetMovedBackground(mFocusIndex); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
//do not reset the transform here as it will then zoom-in the widget to decoded image size |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
613 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
void GlxZoomWidget::timerEvent(QTimerEvent *event) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
if(mTimerId == event->timerId()) |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
620 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
killTimer(mTimerId); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
622 |
mTimerId = 0; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
624 |
else { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
HbScrollArea::timerEvent( event ); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
|
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
bool GlxZoomWidget::isFocussedItemCorrupt() |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
{ |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
QVariant variant = mModel->data( mModel->index( mFocusIndex, 0 ), GlxImageCorruptRole ); |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
if ( variant.isValid() && variant.canConvert< bool> () ) { |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
return variant.value< bool > () ; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
634 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
return false ; |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
} |
8e5f6eea9c9f
Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |