src/hbinput/inputwidgets/hbinputsmileypicker.cpp
author hgs
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permissions -rw-r--r--
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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 "hbinputsmileypicker.h"
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#include <hbgridview.h>
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#include <hbview.h>
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#include <hbwidget.h>
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#include <QStandardItemModel>
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#include <QStandardItem>
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#include <QFileInfoList>
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#include <QDir>
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#include <HbMainWindow>
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#include <HbFrameItem>
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#include <HbFrameDrawer>
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#include <hbinputpopupbase_p.h>
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#include <hbinputregioncollector_p.h>
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const int HbLandscapeRows = 3;
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const int HbLandscapeColumns = 7;
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const int HbPortraitRows = 4;
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const int HbPortraitColumns = 5;
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/// @cond
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class HbInputSmileyPickerPrivate: public HbInputPopupBasePrivate
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{
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    Q_DECLARE_PUBLIC(HbInputSmileyPicker)
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public:
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    HbInputSmileyPickerPrivate(int rows, int columns);
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    ~HbInputSmileyPickerPrivate();
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    void getSmilies(const QStringList &smileys);
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    void _q_activated(const QModelIndex &index);
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    // member variables.
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    HbGridView *mView;
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    QStandardItemModel *mModel;
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};
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HbInputSmileyPickerPrivate::HbInputSmileyPickerPrivate(int rows, int columns)
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    : mView(0), mModel(0)
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{
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    Q_UNUSED(rows);
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    Q_UNUSED(columns);
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    // create a view and set the rows and columns.
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    mView = new HbGridView();
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    mView->setScrollDirections(Qt::Horizontal);
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    mView->setHorizontalScrollBarPolicy(HbScrollArea::ScrollBarAsNeeded);
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    mModel = new QStandardItemModel(mView);
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    mView->setModel(mModel);
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}
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HbInputSmileyPickerPrivate::~HbInputSmileyPickerPrivate()
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{
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}
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void HbInputSmileyPickerPrivate::getSmilies(const QStringList &smileys)
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{
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    mModel->clear();
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    QStandardItem *item = 0;
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    foreach(const QString &smiley, smileys) {
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        item = new QStandardItem();
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        item->setData(HbIcon(smiley), Qt::DecorationRole);
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        mModel->appendRow(item);
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    }
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}
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void HbInputSmileyPickerPrivate::_q_activated(const QModelIndex &index)
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{
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    Q_Q(HbInputSmileyPicker);
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    if (!hidingInProgress) {
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        HbIcon smileyIcon = index.model()->data(index, Qt::DecorationRole).value<HbIcon>();
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        emit q->selected(smileyIcon.iconName());
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        q->close();
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    }
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}
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/// @endcond
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/*!
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@stable
0
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@hbinput
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\class HbInputSmileyPicker
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\brief Smiley picker widget
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Smiley picker is a dialog containing a grid of emoticons in the form of icons.
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It emits selected signal with corresponding emoticon text once a smiley is clicked.
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\sa HbDialog
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\sa HbGridView
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*/
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HbInputSmileyPicker::HbInputSmileyPicker(int rows, int columns, QGraphicsItem *parent, QStringList smileys)
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    : HbInputPopupBase(*new HbInputSmileyPickerPrivate(rows, columns), parent)
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{
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    Q_D(HbInputSmileyPicker);
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    HbInputRegionCollector::instance()->attach(this);
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    if (!rows || !columns) {
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        if (mainWindow()->orientation() == Qt::Horizontal) {
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            rows = HbLandscapeRows;
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            columns = HbLandscapeColumns;
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        } else {
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            rows = HbPortraitRows;
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            columns = HbPortraitColumns;
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        }
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    }
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    d->mView->setRowCount(rows);
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    d->mView->setColumnCount(columns);
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    // set dialog properties
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    setFocusPolicy(Qt::ClickFocus);
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    setDismissPolicy(TapAnywhere);
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    setBackgroundFaded(false);
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    setTimeout(NoTimeout);
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    setContentWidget(d->mView);
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    // extract smilies.
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    d->getSmilies(smileys);
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    // connect signals
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    connect(d->mView, SIGNAL(activated(QModelIndex)), this, SLOT(_q_activated(QModelIndex)));
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}
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/*!
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Destructs the object.
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*/
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HbInputSmileyPicker::~HbInputSmileyPicker()
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{
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}
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/*!
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This a virtual functions in QGraphicsWidget. It is called whenever the smiley picker widgets is shown.
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Here in this function we are are scrolling to a position where we can see
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first row and column
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*/
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void HbInputSmileyPicker::showEvent(QShowEvent *event)
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{
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    Q_D(HbInputSmileyPicker);
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    QStandardItem *item = d->mModel->item(0);
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    // when ever we do a show smiley picker.
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    // we should scroll back to the first position.
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    // otherwise we will show the smiley grid in previous state.
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    if (item) {
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        d->mView->scrollTo(item->index());
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    }
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    HbInputPopupBase::showEvent(event);
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}
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#include "moc_hbinputsmileypicker.cpp"