camerauis/cameraxui/cxui/src/cxuisettingbuttoncontainer.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 16 Apr 2010 14:51:30 +0300
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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 <QGraphicsSceneMouseEvent>
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#include <QCoreApplication>
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#include <hbfeedbackmanager.h>
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#include "cxuisettingbutton.h"
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#include "cxuisettingbuttoncontainer.h"
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#include "cxutils.h"
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CxuiSettingButtonContainer::CxuiSettingButtonContainer(QGraphicsItem *parent)
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: HbWidget(parent), mListCreated(false), mPressedDownButton(NULL), mPreviouslyPressedDownButton(NULL)
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{
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}
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void CxuiSettingButtonContainer::handleButtonPress()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    grabMouse();
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    if (!mListCreated){
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        QList<QGraphicsItem*> buttons = this->childItems();
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        CxuiSettingButton *button;
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        foreach(QGraphicsItem *item, buttons){
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            button = static_cast<CxuiSettingButton*>(item);
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            mButtons.append(button);
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        }
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        mListCreated = true;
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    }
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    // find the pressed item
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    foreach (CxuiSettingButton* button , mButtons) {
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        if (button->isDown()) {
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            mPressedDownButton = button;
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            break;
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        }
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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void CxuiSettingButtonContainer::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
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{
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    if (boundingRect().contains(event->pos())) {
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        // moving inside the tool bar
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        if (!mPressedDownButton || !mPressedDownButton->geometry().contains(event->pos())) {
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            if (mPressedDownButton) {
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                // lift it up and try to find some other button
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                mPressedDownButton->setDown(false);
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                mPreviouslyPressedDownButton = mPressedDownButton;
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                mPressedDownButton = 0;
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            }
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            // Find the pressed button
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            foreach (CxuiSettingButton* button, mButtons) {
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                if (button->geometry().contains(event->pos())) {
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                    mPressedDownButton = button;
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                    button->setDown(true);
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                    button->setSetting();
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                    HbFeedbackManager* feedback = HbFeedbackManager::instance();
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                    CX_ASSERT_ALWAYS(feedback != NULL);
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                    feedback->triggered(button, Hb::InstantDraggedOver);
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                    break;
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                }
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            }
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        }
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    } else {
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        // moving outside the tool bar
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        // if a button is pressed down, lift it.
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        if (mPressedDownButton) {
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            mPressedDownButton->setDown(false);
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            mPressedDownButton = 0;
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            mPreviouslyPressedDownButton = mPressedDownButton;
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        }
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    }
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}
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void CxuiSettingButtonContainer::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
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{
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    Q_UNUSED(event);
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    ungrabMouse();
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    if (mPressedDownButton
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        && !mPreviouslyPressedDownButton) {
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        // Convert event's scene position to item's coordinate system.
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        event->setPos(mPressedDownButton->mapFromScene(event->scenePos()));
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        QCoreApplication::sendEvent(mPressedDownButton, event);
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        mPressedDownButton = 0;
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        emit buttonReleased();
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    } else if (mPressedDownButton) {
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        mPressedDownButton->setDown(false);
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        emit buttonReleased();
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    } else
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    mPreviouslyPressedDownButton = 0;
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parents:
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}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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