/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/
#include <QGraphicsScene>
#include <QGraphicsSceneMouseEvent>
#include <QGesture>
#include <QTouchEvent>
#include <HbTapGesture>
#include <HbPanGesture>
#include "hswidgettoucharea.h"
#include "hswidgethostvisual.h"
#include "hsscene.h"
HsWidgetTouchArea::HsWidgetTouchArea(HsWidgetHostVisual *visual)
: HbTouchArea(visual),
mWidgetHostVisual(visual)
{
grabGesture(Qt::TapAndHoldGesture);
}
HsWidgetTouchArea::~HsWidgetTouchArea()
{
}
bool HsWidgetTouchArea::sceneEvent(QEvent *event)
{
HsScene *scene = HsScene::instance();
switch (event->type()) {
case QEvent::TouchBegin:
{
QTouchEvent *touchEvent = static_cast<QTouchEvent *>(event);
QPointF scenePos;
if (touchEvent && !touchEvent->touchPoints().isEmpty() ) {
scenePos = static_cast<QTouchEvent *>(event)->touchPoints().first().scenePos();
}
emit scene->widgetTapStarted(scenePos, mWidgetHostVisual->visualModel());
break;
}
case QEvent::GraphicsSceneMousePress:
{
QPointF scenePos = static_cast<QGraphicsSceneMouseEvent *>(event)->lastScenePos();
emit scene->widgetTapStarted(scenePos, mWidgetHostVisual->visualModel());
break;
}
case QEvent::TouchEnd:
{
ungrabGesture(Qt::PanGesture);
ungrabMouse();
QPointF scenePos = static_cast<QTouchEvent *>(event)->touchPoints().first().scenePos();
emit scene->widgetMoveFinished(scenePos, mWidgetHostVisual->visualModel());
}
break;
case QEvent::GraphicsSceneMouseRelease:
{
ungrabGesture(Qt::PanGesture);
ungrabMouse();
QPointF scenePos = static_cast<QGraphicsSceneMouseEvent *>(event)->scenePos();
emit scene->widgetMoveFinished(scenePos, mWidgetHostVisual->visualModel());
}
break;
default:
break;
}
return HbTouchArea::sceneEvent(event);
}
QPainterPath HsWidgetTouchArea::shape() const
{
return mWidgetHostVisual->shape();
}
void HsWidgetTouchArea::gestureEvent(QGestureEvent *event)
{
HsScene *scene = HsScene::instance();
// Tap-and-hold gesture.
QGesture *gesture = event->gesture(Qt::TapAndHoldGesture);
if (gesture) {
if (gesture->state() == Qt::GestureFinished) {
grabGesture(Qt::PanGesture);
grabMouse();
emit scene->widgetTapAndHoldFinished(event, mWidgetHostVisual->visualModel());
}
return;
}
// Pan gesture.
gesture = event->gesture(Qt::PanGesture);
if (gesture) {
QPointF scenePos = event->mapToGraphicsScene(gesture->hotSpot());
switch (gesture->state()) {
case Qt::GestureStarted:
case Qt::GestureUpdated:
emit scene->widgetMoveUpdated(scenePos, mWidgetHostVisual->visualModel());
break;
case Qt::GestureCanceled:
case Qt::GestureFinished:
ungrabGesture(Qt::PanGesture);
emit scene->widgetMoveFinished(scenePos, mWidgetHostVisual->visualModel());
break;
default:
break;
}
return;
}
}