homescreenapp/widgetplugins/hsclockwidgetplugin/src/hsanalogclockwidget.cpp
branchRCL_3
changeset 82 5f0182e07bfb
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/homescreenapp/widgetplugins/hsclockwidgetplugin/src/hsanalogclockwidget.cpp	Tue Aug 31 15:06:34 2010 +0300
@@ -0,0 +1,158 @@
+/*
+* Copyright (c) 2008 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:  Analog clock widget
+*
+*/
+
+#include <QGraphicsSceneMouseEvent>
+#include <QTime>
+
+#include <HbStyleLoader>
+#include <HbIconItem>
+#include <HbTapGesture>
+#include <HbInstantFeedback>
+
+#include "hsconfiguration.h"
+#include "hsanalogclockwidget.h"
+
+/*!
+    \class HsAnalogClockWidget
+    \ingroup group_hsclockwidgetplugin
+    \brief Homescreen themable analog clock widget.
+*/
+
+/*!
+    Constructs widget.
+*/
+HsAnalogClockWidget::HsAnalogClockWidget(QGraphicsItem *parent)
+    : HbWidget(parent),
+      mBackground(0), mHourHand(0), mMinuteHand(0), 
+      mSecondHand(0)
+{
+    HbStyleLoader::registerFilePath(":/hsanalogclockwidget.widgetml");
+    HbStyleLoader::registerFilePath(":/hsanalogclockwidget.css");
+
+    createPrimitives();
+    grabGesture(Qt::TapGesture);
+}
+
+/*!
+    Destructor.
+*/
+HsAnalogClockWidget::~HsAnalogClockWidget()
+{
+    HbStyleLoader::unregisterFilePath(":/hsanalogclockwidget.widgetml");
+    HbStyleLoader::unregisterFilePath(":/hsanalogclockwidget.css");
+}
+
+#ifdef COVERAGE_MEASUREMENT
+#pragma CTC SKIP
+#endif //COVERAGE_MEASUREMENT
+void HsAnalogClockWidget::gestureEvent(QGestureEvent *event)
+{
+    HbTapGesture *gesture = qobject_cast<HbTapGesture *>(event->gesture(Qt::TapGesture));
+    if (gesture) {
+        if (gesture->state() == Qt::GestureFinished) {
+            if (gesture->tapStyleHint() == HbTapGesture::Tap) {
+                    HbInstantFeedback::play(HSCONFIGURATION_GET(clockWidgetTapFeedbackEffect));
+                    emit clockTapped();                
+            }
+        }
+    }
+}
+#ifdef COVERAGE_MEASUREMENT
+#pragma CTC ENDSKIP
+#endif //COVERAGE_MEASUREMENT
+
+
+/*!
+    Return bounding rect
+*/
+QRectF HsAnalogClockWidget::boundingRect() const
+{   
+    QRectF currRect = rect();
+    currRect.setHeight(mBackground->iconItemSize().height());
+    currRect.setWidth(mBackground->iconItemSize().width());
+    return currRect;
+}
+
+/*!
+    Return shape
+*/
+QPainterPath HsAnalogClockWidget::shape() const
+{   
+    QPainterPath path;
+    path.addEllipse(boundingRect());
+    return path;
+}
+
+/*!
+    Updates clock visualization according to current time
+ */
+void HsAnalogClockWidget::tick()
+{
+    updatePrimitives();
+}
+
+/*!
+    @copydoc HbWidget::resizeEvent()
+ */
+void HsAnalogClockWidget::resizeEvent(QGraphicsSceneResizeEvent *event)
+{
+    HbWidget::resizeEvent(event);
+    updatePrimitives();   
+}
+
+/*!
+    Creates all widget primitives.
+ */
+void HsAnalogClockWidget::createPrimitives()
+{
+    mBackground = new HbIconItem(QLatin1String("qtg_graf_clock_day_bg"), this);
+    HbStyle::setItemName(mBackground, QLatin1String("background"));
+
+    mHourHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_hour"), this);
+    HbStyle::setItemName(mHourHand, QLatin1String("hour_hand"));
+
+    mMinuteHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_min"), this);
+    HbStyle::setItemName(mMinuteHand, QLatin1String("minute_hand"));
+
+    mSecondHand = new HbIconItem(QLatin1String("qtg_graf_clock_day_sec"), this);
+    HbStyle::setItemName(mSecondHand, QLatin1String("second_hand"));
+}
+
+/*!
+    @copydoc HbWidget::updatePrimitives()
+ */
+void HsAnalogClockWidget::updatePrimitives()
+{
+    // Calculate angles for clock hands.
+    QTime time = QTime::currentTime();
+    qreal s = 6 * time.second();
+    qreal m = 6 * (time.minute() + s/360);
+    qreal h = 30 * ((time.hour() % 12) + m/360);
+
+    int x = mBackground->iconItemSize().width()/2;
+    int y = mBackground->iconItemSize().height()/2;
+    QPointF originPoint = QPointF(x, y);
+
+    mHourHand->setTransformOriginPoint(originPoint);
+    mHourHand->setRotation(h);
+
+    mMinuteHand->setTransformOriginPoint(originPoint);
+    mMinuteHand->setRotation(m);
+
+    mSecondHand->setTransformOriginPoint(originPoint);
+    mSecondHand->setRotation(s);
+}