/****************************************************************************
**
** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (developer.feedback@nokia.com)
**
** This file is part of the HbInput module of the UI Extensions for Mobile.
**
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at developer.feedback@nokia.com.
**
****************************************************************************/
#include <QGraphicsWidget>
#include <QPointer>
#include <QIcon>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsLinearLayout>
#include <hbinputregioncollector_p.h>
#include <HbFrameDrawer>
#include <hbframeitem.h>
#include <hbframedrawerpool_p.h>
#include "hbdeviceprofile.h"
#include "hbdialog.h"
#include "hblabel.h"
#include "hbstyleoptionlabel_p.h"
#include "hbinputexactwordpopup.h"
#include "hbiconitem.h"
#include "hbinputsettingproxy.h"
#include "hbinputpopupbase_p.h"
/*!
@stable
@hbinput
\class HbInputExactWordPopup
\brief Displays exact typing popup for predictive input.
*/
const QString HbCandidateListBackground("qtg_fr_popup_secondary");
class HbExactWordPopupPrivate : public HbInputPopupBasePrivate
{
Q_DECLARE_PUBLIC(HbExactWordPopup)
public:
HbExactWordPopupPrivate();
~HbExactWordPopupPrivate();
void setBackground();
public:
HbLabel *mText;
};
HbExactWordPopupPrivate::HbExactWordPopupPrivate()
: mText(0)
{
}
HbExactWordPopupPrivate::~HbExactWordPopupPrivate()
{
}
void HbExactWordPopupPrivate::setBackground()
{
Q_Q(HbExactWordPopup);
HbFrameDrawer *drawer = HbFrameDrawerPool::get(HbCandidateListBackground, HbFrameDrawer::NinePieces, QSizeF(q->boundingRect().width(), q->boundingRect().height()));
if (drawer) {
drawer->setFillWholeRect(true);
q->setBackgroundItem(new HbFrameItem(drawer));
}
}
HbExactWordPopup* HbExactWordPopup::instance(HbExactWordPopupIndicator indicatorArrow)
{
static QPointer<HbExactWordPopup> exactWordPopup;
if (!exactWordPopup) {
// HbExactWordPopup is owned by the scene
exactWordPopup = new HbExactWordPopup( 0, indicatorArrow );
}
return exactWordPopup;
}
/*!
Constructor.
\param parent An optional parameter.
*/
HbExactWordPopup::HbExactWordPopup(QGraphicsWidget *parent, HbExactWordPopupIndicator indicatorArrow)
: HbInputPopupBase(*new HbExactWordPopupPrivate(), parent)
{
Q_D(HbExactWordPopup);
HbInputRegionCollector::instance()->attach(this);
d->mText = new HbLabel();
d->mText->setAlignment(Qt::AlignCenter);
d->mText->setFontSpec(HbFontSpec(HbFontSpec::Primary));
d->mText->setContentsMargins(0, 0, 0, 0);
setContentWidget(d->mText);
d->setBackground();
setTimeout(HbPopup::NoTimeout);
setBackgroundFaded(false);
setDismissPolicy(HbPopup::TapInside);
setFocusPolicy(Qt::ClickFocus);
setModal(false);
setContentsMargins(0, 0, 0, 0);
setIndicatorArrow(indicatorArrow);
}
/*!
Returns the text of the tooltip. The default value is "Exact Word popup text".
\sa setText()
*/
QString HbExactWordPopup::text()
{
Q_D(HbExactWordPopup);
return d->mText->plainText();
}
/*!
Sets the text of the label within the progress note.
\sa text()
*/
void HbExactWordPopup::setText(const QString &newText)
{
Q_D(HbExactWordPopup);
d->mText->setPlainText(newText);
}
/*!
Displays exact word popup at a given point
\sa hideText()
*/
void HbExactWordPopup::showText(QPointF pos)
{
Q_D(HbExactWordPopup);
QFontMetrics fontMetrics(HbFontSpec(HbFontSpec::Primary).font());
qreal width = fontMetrics.width(text()) + 1;
d->mText->setMinimumWidth(width);
d->mText->setMaximumWidth(width);
setPos(pos);
show();
}
/*!
Hides exact word popup
\sa hideText()
*/
void HbExactWordPopup::hideText()
{
close();
}
void HbExactWordPopup::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
{
if (contains(mapFromScene(event->scenePos()))) {
// commit word only if mouse release event happens inside popup area
emit exactWordSelected();
// this call closes the popup, and this is called only when mouse relase event happens
// inside popup area
HbDialog::mouseReleaseEvent(event);
}
// if mouse release event happens outside popup area, don't commit or close the popup
}
// this method is called whenever there is a switch of keypad usage from h/w to virtual
// h/w keypad needs an indicator, whereas virtual does not, hence set the image appropriately.
void HbExactWordPopup::setIndicatorArrow(HbExactWordPopupIndicator indicatorArrow)
{
Q_D(HbExactWordPopup);
if (indicatorArrow == HbNoIndicatorArrow) {
d->mText->setIcon(HbIcon());
} else {
d->mText->setIcon(HbIcon("qtg_graf_inpu_swipe"));
}
}