author | hgs |
Thu, 24 Jun 2010 12:59:29 +0300 | |
changeset 6 | 1cdcc61142d2 |
parent 1 | e48454f237ca |
child 14 | 645b870db620 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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#include "hgindexfeedback.h" |
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#include "hgindexfeedback_p.h" |
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#include <HbScrollbar> |
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#include <HbStyleOptionIndexFeedback> |
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#include <HbStyleParameters> |
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#include <HbStyle> |
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#include <HbDeviceProfile> |
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#include <hgwidgets/hgwidgets.h> |
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#include <HbStyleLoader> |
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#include <QEvent> |
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#include <QObject> |
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#include <QGraphicsScene> |
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/* rather than magic numbers, let's define some constants. */ |
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namespace { |
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/* |
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string name from the index feedback .css for the single character height parameter. |
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*/ |
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static const QString ONE_CHAR_HEIGHT = QLatin1String("one-char-height"); |
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/* |
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string name from the index feedback .css for the three character height parameter. |
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*/ |
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static const QString THREE_CHAR_HEIGHT = QLatin1String("three-char-height"); |
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/* |
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string name from the index feedback .css for the three character width parameter. |
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*/ |
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static const QString THREE_CHAR_WIDTH = QLatin1String("three-char-width"); |
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/* |
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string name from the index feedback .css for the string mode offest parameter. |
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*/ |
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static const QString STRING_OFFSET = QLatin1String("string-offset"); |
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} |
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/*! |
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Constructs a new HgIndexFeedback with a parent. |
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*/ |
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HgIndexFeedback::HgIndexFeedback(QGraphicsItem *parent) |
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: HbWidget( *new HgIndexFeedbackPrivate, parent, 0) |
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{ |
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Q_D( HgIndexFeedback ); |
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d->q_ptr = this; |
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HbStyleLoader::registerFilePath(":/hgindexfeedback.css"); |
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d->init(); |
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} |
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/*! |
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Destructs the index feedback. |
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*/ |
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HgIndexFeedback::~HgIndexFeedback() |
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{ |
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HbStyleLoader::unregisterFilePath(":/hgindexfeedback.css"); |
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} |
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/*! |
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\brief sets the index feedback policy. |
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\param policy - The HgIndexFeedback::IndexFeedbackPolicy to use. |
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\sa HgIndexFeedback::IndexFeedbackPolicy |
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*/ |
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void HgIndexFeedback::setIndexFeedbackPolicy(HgWidget::IndexFeedbackPolicy policy) |
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{ |
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Q_D( HgIndexFeedback ); |
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if (policy != d->mIndexFeedbackPolicy) { |
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d->_q_hideIndexFeedbackNow(); |
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d->mIndexFeedbackPolicy = policy; |
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d->calculatePopupRects(); |
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d->updatePrimitives(); |
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} |
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} |
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/*! |
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\brief Returns the index feedback policy. |
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\return The HgIndexFeedback::IndexFeedbackPolicy that's currently in use. |
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*/ |
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HgWidget::IndexFeedbackPolicy HgIndexFeedback::indexFeedbackPolicy() const |
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{ |
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Q_D( const HgIndexFeedback ); |
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return d->mIndexFeedbackPolicy; |
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} |
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/*! |
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\brief sets the item view for the index feedback. |
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Disconnects from the existing item view, then connects to the specified one. |
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If set to NULL the index feedback is simply disconnected. |
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\param itemView The HbAbstractItemView* to provide index feedback for. |
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*/ |
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void HgIndexFeedback::setWidget(HgWidget *widget) |
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{ |
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Q_D( HgIndexFeedback ); |
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if (widget == d->mWidget) { |
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return; |
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} |
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d->disconnectItemView(); |
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d->mWidget = widget; |
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if (!d->mWidget) { |
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return; |
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} |
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d->connectModelToIndexFeedback(d->mWidget->selectionModel()); |
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|
0
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d->connectScrollBarToIndexFeedback(d->mWidget->scrollBar()); |
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connect(d->mWidget, SIGNAL(destroyed(QObject*)), |
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this, SLOT(_q_itemViewDestroyed())); |
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if (d->mWidget->scene()) { |
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d->mWidget->scene()->addItem(this); |
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d->mWidget->installSceneEventFilter(this); |
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} |
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d->calculatePopupRects(); |
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updatePrimitives(); |
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} |
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/*! |
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Returns the HbAbstractItemView which the index feedback currently monitors. |
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\return HbAbstractItemView*. |
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*/ |
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HgWidget* HgIndexFeedback::widget() const |
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{ |
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Q_D( const HgIndexFeedback ); |
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return d->mWidget; |
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} |
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/*! |
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Returns the primitives used in HgIndexFeedback. |
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\param primitive The primitive type requested. |
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\return A pointer for the primitive requested. |
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*/ |
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QGraphicsItem* HgIndexFeedback::primitive(HbStyle::Primitive primitive) const |
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{ |
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Q_D( const HgIndexFeedback ); |
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QGraphicsItem* retVal = HbWidget::primitive(primitive); |
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switch (primitive) { |
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case HbStyle::P_IndexFeedback_popup_text: |
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retVal = d->mTextItem; |
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break; |
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|
0
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case HbStyle::P_IndexFeedback_popup_background: |
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retVal = d->mPopupItem; |
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break; |
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default: |
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qt_noop(); |
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break; |
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} |
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return retVal; |
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} |
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|
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|
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/* |
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A scene event filter. It's purpose is to call calculatePopupRects on |
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a resize event for the item view. |
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*/ |
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bool HgIndexFeedback::sceneEventFilter(QGraphicsItem *watched, QEvent *ev) |
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{ |
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Q_D( HgIndexFeedback ); |
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|
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if (ev->type() == QEvent::GraphicsSceneResize) { |
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d->calculatePopupRects(); |
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} |
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|
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return QGraphicsItem::sceneEventFilter(watched, ev); |
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} |
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|
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/* |
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Rather than adding signals to HbScrollBar specifically to implement |
0
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index feedback, an event filter is used. |
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|
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Specifically, if a scrollbar which is interactive is pressed or released |
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this function will call the appropriate function in HgIndexFeedbackPrivate. |
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*/ |
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bool HgIndexFeedback::eventFilter(QObject *obj, QEvent *ev) |
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{ |
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Q_D( HgIndexFeedback ); |
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HbScrollBar* scrollBar = qobject_cast<HbScrollBar*>(obj); |
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|
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parents:
diff
changeset
|
222 |
if (d->mIndexFeedbackPolicy != HgWidget::IndexFeedbackNone |
89c329efa980
Revision: 201011
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parents:
diff
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|
223 |
&& scrollBar) { |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
224 |
switch (ev->type()) { |
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Revision: 201011
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parents:
diff
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|
225 |
case QEvent::GraphicsSceneMousePress: |
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Revision: 201011
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parents:
diff
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|
226 |
case QEvent::MouseButtonPress: |
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Revision: 201011
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parents:
diff
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|
227 |
if (scrollBar->isInteractive()) { |
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Revision: 201011
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diff
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|
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d->scrollBarPressed(); |
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Revision: 201011
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diff
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|
229 |
} |
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Revision: 201011
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parents:
diff
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|
230 |
break; |
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Revision: 201011
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parents:
diff
changeset
|
231 |
|
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Revision: 201011
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parents:
diff
changeset
|
232 |
case QEvent::GraphicsSceneMouseRelease: |
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parents:
diff
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|
233 |
case QEvent::MouseButtonRelease: |
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Revision: 201011
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parents:
diff
changeset
|
234 |
if (scrollBar->isInteractive()) { |
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Revision: 201011
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parents:
diff
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|
235 |
d->scrollBarReleased(); |
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Revision: 201011
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parents:
diff
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|
236 |
} |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
237 |
break; |
1
e48454f237ca
Revision: 201015
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parents:
0
diff
changeset
|
238 |
|
0
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Revision: 201011
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parents:
diff
changeset
|
239 |
case QEvent::GraphicsSceneResize: |
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Revision: 201011
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parents:
diff
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|
240 |
case QEvent::Resize: |
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Revision: 201011
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parents:
diff
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|
241 |
d->_q_hideIndexFeedbackNow(); |
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Revision: 201011
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parents:
diff
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|
242 |
d->calculatePopupRects(); |
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Revision: 201011
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parents:
diff
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|
243 |
d->updatePrimitives(); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
244 |
break; |
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Revision: 201011
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parents:
diff
changeset
|
245 |
|
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Revision: 201011
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parents:
diff
changeset
|
246 |
default: |
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Revision: 201011
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parents:
diff
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|
247 |
// do nothing, ignore other events. |
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Revision: 201011
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parents:
diff
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|
248 |
break; |
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Revision: 201011
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parents:
diff
changeset
|
249 |
} |
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Revision: 201011
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parents:
diff
changeset
|
250 |
} |
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Revision: 201011
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parents:
diff
changeset
|
251 |
|
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
252 |
return QObject::eventFilter(obj, ev); |
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Revision: 201011
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parents:
diff
changeset
|
253 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
254 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
255 |
/* |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
256 |
For use with HbStyle. |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
257 |
|
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
258 |
Provide the correct data to use in the 'model.' |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
259 |
*/ |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
260 |
void HgIndexFeedback::initStyleOption(HbStyleOptionIndexFeedback *option) const |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
261 |
{ |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
262 |
Q_D( const HgIndexFeedback ); |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
263 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
264 |
HbWidget::initStyleOption(option); |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
265 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
266 |
if (!d->mWidget) { |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
267 |
return; |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
268 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
269 |
|
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
270 |
HbFontSpec fontSpec; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
271 |
qreal margin = 0; |
89c329efa980
Revision: 201011
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parents:
diff
changeset
|
272 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
273 |
style()->parameter(QLatin1String("hb-param-margin-gene-popup"), margin); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
274 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
275 |
switch (d->mIndexFeedbackPolicy) { |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
276 |
case HgWidget::IndexFeedbackSingleCharacter: |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
277 |
{ |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
278 |
fontSpec = HbFontSpec(HbFontSpec::Primary); |
1
e48454f237ca
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
279 |
fontSpec.setTextHeight(d->textHeight()); |
0
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
280 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
281 |
break; |
1
e48454f237ca
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
282 |
|
0
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
283 |
case HgWidget::IndexFeedbackThreeCharacter: |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
284 |
{ |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
285 |
fontSpec = HbFontSpec(HbFontSpec::Primary); |
1
e48454f237ca
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
286 |
fontSpec.setTextHeight(d->textHeight()); |
0
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
287 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
288 |
break; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
289 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
290 |
case HgWidget::IndexFeedbackString: |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
291 |
{ |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
292 |
fontSpec = HbFontSpec(HbFontSpec::Primary); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
293 |
qreal textPaneHeight = 0; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
294 |
style()->parameter(QLatin1String("hb-param-text-height-primary"), textPaneHeight); |
1
e48454f237ca
Revision: 201015
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
295 |
fontSpec.setTextHeight( textPaneHeight ); |
0
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
296 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
297 |
break; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
298 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
299 |
case HgWidget::IndexFeedbackNone: |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
300 |
// leave the HbStyleOption uninitialized |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
301 |
return; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
302 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
303 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
304 |
option->text = d->mPopupContent; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
305 |
option->fontSpec = fontSpec; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
306 |
option->textRect = d->mPopupTextRect; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
307 |
option->popupRect = d->mPopupBackgroundRect; |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
308 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
309 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
void HgIndexFeedback::polish(HbStyleParameters& params) |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
{ |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
Q_D( HgIndexFeedback ); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
313 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
314 |
params.addParameter( ONE_CHAR_HEIGHT ); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
315 |
params.addParameter( THREE_CHAR_HEIGHT ); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
params.addParameter( THREE_CHAR_WIDTH ); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
317 |
params.addParameter( STRING_OFFSET ); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
HbWidget::polish( params ); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
321 |
d->mOneCharHeight = params.value( ONE_CHAR_HEIGHT ).toDouble(); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
d->mThreeCharHeight = params.value( THREE_CHAR_HEIGHT ).toDouble(); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
d->mThreeCharWidth = params.value( THREE_CHAR_WIDTH ).toDouble(); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
d->mStringOffset = params.value( STRING_OFFSET ).toDouble(); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
d->calculatePopupRects(); |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
} |
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
|
89c329efa980
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
#include "moc_hgindexfeedback.cpp" |