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/***************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (directui@nokia.com)
**
** This file is part of libmeegotouch.
**
** If you have questions regarding the use of this file, please contact
** Nokia at directui@nokia.com.
**
** This library is free software; you can redistribute it and/or
** modify it 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.
**
****************************************************************************/
#ifndef MSLIDERVIEW_P_H
#define MSLIDERVIEW_P_H
#include "msliderview.h"
#include <MWidget>
#include "mslidermodel.h"
class MSlider;
class QPixmap;
class MScalableImage;
class MLabel;
class MImageWidget;
class QGraphicsAnchorLayout;
class MLinearLayoutPolicy;
class MSliderView;
class QPropertyAnimation;
class MSliderHandle : public MWidget
{
public:
MSliderHandle(QGraphicsItem *parent = 0);
virtual ~MSliderHandle();
void setOrientation(Qt::Orientation);
void setPixmaps(const QPixmap *handle,
const QPixmap *handlePressed,
const QPixmap *handleVertical,
const QPixmap *handleVerticalPressed);
void setSliderState(MSliderModel::SliderState state);
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
private:
Qt::Orientation orientation;
const QPixmap *handlePixmap;
const QPixmap *handlePressedPixmap;
const QPixmap *handleVerticalPixmap;
const QPixmap *handleVerticalPressedPixmap;
MSliderModel::SliderState sliderState;
#ifdef UNIT_TEST
friend class Ut_MSliderView;
#endif // UNIT_TEST
};
class MSliderIndicator : public MWidget
{
Q_OBJECT
public:
MSliderIndicator(bool isMinMax, QGraphicsItem *parent = 0);
virtual ~MSliderIndicator();
void setText(const QString &text);
void setImage(const QString &id);
protected:
virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
private:
MLabel *label;
MImageWidget *image;
QString imageName;
//bool visibility;
QGraphicsAnchorLayout *layout;
#ifdef UNIT_TEST
friend class Ut_MSliderView;
#endif // UNIT_TEST
};
class MSliderGroove : public MWidget
{
Q_OBJECT
public:
MSliderGroove(QGraphicsItem *parent = 0);
virtual ~MSliderGroove();
void init(MSlider *controller);
void setOrientation(Qt::Orientation);
void setHandlePixmaps(const QPixmap *handle,
const QPixmap *handlePressed,
const QPixmap *handleVertical,
const QPixmap *handleVerticalPressed);
void setImages(const MScalableImage *background,
const MScalableImage *backgroundElapsed,
const MScalableImage *backgroundReceived,
const MScalableImage *backgroundVertical,
const MScalableImage *backgroundVerticalElapsed,
const MScalableImage *backgroundVerticalReceived);
void setGrooveThickness(qreal thickness);
void setGrooveLength(qreal prefLength, qreal minLength, qreal maxLength);
void setSliderValues(int min, int max, int val);
void setSeekBarValues(bool show, int loadedContentMin = 0, int loadedContentMax = 0);
void setSliderState(MSliderModel::SliderState state);
void setIndicatorText(const QString &text);
void setIndicatorImage(const QString &id);
int screenPointToValue(const QPointF &point) const;
QRectF clickableArea() const;
QRectF clickableHandleArea() const;
QRectF boundingRect() const;
void raiseHandleIndicator();
void lowerHandleIndicator();
void ensureSafeClosing();
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
protected:
virtual QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint = QSizeF()) const;
virtual void setGeometry(const QRectF &rect);
virtual void resizeEvent(QGraphicsSceneResizeEvent *event);
private:
void updateHandlePos(const QPointF &position);
void updateHandleIndicatorPos();
MSlider *controller;
Qt::Orientation orientation;
qreal valueToScreenCoordinate(int value) const;
const MScalableImage *backgroundBaseImage;
const MScalableImage *backgroundElapsedImage;
const MScalableImage *backgroundReceivedImage;
const MScalableImage *backgroundVerticalBaseImage;
const MScalableImage *backgroundVerticalElapsedImage;
const MScalableImage *backgroundVerticalReceivedImage;
qreal grooveThickness;
int minimum;
int maximum;
int value;
int loadedContentMinimum;
int loadedContentMaximum;
bool showSeekBar;
MSliderHandle *sliderHandle;
MSliderIndicator *sliderHandleIndicator;
QRectF sliderBoundingRect;
qreal preferredLength;
qreal minimumLength;
qreal maximumLength;
#ifdef UNIT_TEST
friend class Ut_MSliderView;
#endif // UNIT_TEST
};
class MSliderViewPrivate
{
Q_DECLARE_PUBLIC(MSliderView)
protected:
MSliderView *q_ptr;
public:
MSliderViewPrivate();
virtual ~MSliderViewPrivate();
MSlider *controller;
MSliderGroove *sliderGroove;
MSliderIndicator *minIndicator;
MSliderIndicator *maxIndicator;
MLinearLayoutPolicy *horizontalPolicy;
MLinearLayoutPolicy *verticalPolicy;
QPropertyAnimation *valueAnimation;
int pressTimerId;
int valueWhenPressed;
void init(MSlider *contoller);
void insertMinIndicatorToLayout();
void insertMaxIndicatorToLayout();
void removeMinIndicatorFromLayout();
void removeMaxIndicatorFromLayout();
void updateOrientation();
bool isCollision(QGraphicsSceneMouseEvent *event) const;
void updateValue(QGraphicsSceneMouseEvent *event);
void updateSliderGroove();
void updateSeekBar();
#ifdef UNIT_TEST
friend class Ut_MSliderView;
#endif // UNIT_TEST
};
#endif
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