author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 19 Apr 2010 14:02:13 +0300 | |
changeset 0 | 16d8024aca5e |
child 1 | f7ac710697a9 |
permissions | -rw-r--r-- |
0
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/**************************************************************************** |
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** |
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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** |
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** This file is part of the HbInput module of the UI Extensions for Mobile. |
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** |
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** GNU Lesser General Public License Usage |
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** This file may be used under the terms of the GNU Lesser General Public |
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** License version 2.1 as published by the Free Software Foundation and |
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** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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** Please review the following information to ensure the GNU Lesser General |
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** Public License version 2.1 requirements will be met: |
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at developer.feedback@nokia.com. |
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** |
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****************************************************************************/ |
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#include <QGraphicsScene> |
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#include <QGraphicsSceneMouseEvent> |
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#include <hbcolorscheme.h> |
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#include "hbinputpreviewlabel.h" |
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#include "hbfontspec.h" |
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/*! |
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\fn void HbPreviewLabel::selected() |
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This signal is emitted when there is a mouse press event. |
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*/ |
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|
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/*! |
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Constructor. |
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@param previewSymbols The string of the label and parent Graphics Item. |
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*/ |
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HbPreviewLabel::HbPreviewLabel(QString previewSymbols, QGraphicsItem *parent) |
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:HbWidget(parent), |
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mTextItem(0) |
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{ |
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mTextItem = static_cast<HbTextItem*>(this->style()->createPrimitive(HbStyle::P_Label_text, this)); |
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mTextItem->setText(previewSymbols); |
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mTextItem->setAlignment(Qt::AlignCenter); |
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mTextItem->setFontSpec(HbFontSpec(HbFontSpec::Primary)); |
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} |
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|
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/*! |
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Destroy the object |
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*/ |
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HbPreviewLabel::~HbPreviewLabel() |
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{ |
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} |
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|
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/*! |
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sets geometry of textItem |
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@param itemsize the Geometry of Button. |
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*/ |
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void HbPreviewLabel::setTextGeometry(qreal width, qreal height) |
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{ |
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QColor color = HbColorScheme::color("qtc_editor_normal"); |
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QRectF rect; |
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rect.setWidth(width/2); |
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rect.setHeight(height); |
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if (color.isValid()) { |
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mTextItem->setTextColor(color); |
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} |
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mTextItem->setGeometry(rect); |
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} |
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/*! |
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This function handles the mouse press event. |
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@param event The mouse events in the graphics view framework. |
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*/ |
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void HbPreviewLabel::mousePressEvent(QGraphicsSceneMouseEvent * event) |
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{ |
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Q_UNUSED(event); |
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emit showAccentedPreview(mTextItem->text(),sceneBoundingRect()); |
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} |
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|
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/*! |
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This function handles the mouse move event. |
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@param event The mouse events in the graphics view framework. |
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|
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In case of a key/touch movement will activate a mousePressEvent on another Label |
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and the next Label is set as the grabber item. |
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*/ |
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void HbPreviewLabel::mouseMoveEvent(QGraphicsSceneMouseEvent * event) |
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{ |
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bool transfered = false; |
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if (!isUnderMouse()) { |
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// get the list of item's at current mouse position |
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QList<QGraphicsItem *> list = scene()->items(event->scenePos()); |
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for (int i =0; i < list.count(); i++) { |
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// let's check if we have HbPreviewLabel |
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HbPreviewLabel *label = hbpreviewlabel_cast(list.at(i)); |
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if (label && label->isEnabled() && (label->parent() == parent())) { |
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// release old label |
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ungrabMouse(); |
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event->setButton(Qt::LeftButton); |
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// now call the mousepressEvent function of the Label under mouse |
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QGraphicsSceneMouseEvent pressEvent; |
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pressEvent.setButton(Qt::LeftButton); |
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label->mousePressEvent(&pressEvent); |
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// now to make label under cursor to get mouse events we have to manually make that Label |
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// a mouse grabber item. after this Label will start recieving the press movements. |
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label->grabMouse(); |
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transfered = true; |
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break; |
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113 |
} |
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} |
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QRectF rect = boundingRect(); |
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QPointF pos = event->pos(); |
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if (!transfered && (pos.y() < 0 ||pos.y() > rect.height() || pos.x() > rect.width() || pos.x() < 0) ) { |
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emit hideAccentedPreview(); |
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} |
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} |
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if (!transfered) { |
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if (isUnderMouse()) { |
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QGraphicsSceneMouseEvent pressEvent; |
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pressEvent.setButton(Qt::LeftButton); |
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HbPreviewLabel::mousePressEvent(&pressEvent); |
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} |
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} |
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128 |
} |
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129 |
|
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130 |
/*! |
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This function handles the mouse release event. |
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@param event The mouse events in the graphics view framework. |
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133 |
|
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emits the signal selected to input the corrosponding character mapped to the key whenever |
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a key is released and afterwards hides the PreviewPopup by emiitting hidePreview |
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*/ |
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void HbPreviewLabel::mouseReleaseEvent(QGraphicsSceneMouseEvent * event) |
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138 |
{ |
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Q_UNUSED(event); |
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if (isUnderMouse()) { |
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emit selected(); |
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} |
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emit hidePreview(); |
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ungrabMouse(); |
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} |
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146 |
|
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147 |
// End Of File |