omnianimation.cpp

   1 #include "omnianimation.h"
   2
   3 #include <QGraphicsWidget>
   4 #include <QPropertyAnimation>
   5 #include <QParallelAnimationGroup>
   6
   7 #include <QDebug>
   8 OmniAnimation::OmniAnimation(QObject *parent, QGraphicsWidget *animatedObject, QObject *sender)
   9     : mParent( parent ), mAnimatedObject( animatedObject ), mSender( sender ),
  10     mOmniGeometryAnimOne( 0 ), mOmniGeometryAnimTwo( 0 ), parallelAnim( 0 ),
  11     parallelAnimTwo( 0 )
  12 {
  13
  14 }
  15
  16 OmniAnimation::~OmniAnimation()
  17 {
  18     delete mOmniGeometryAnimTwo;
  19     delete mOmniGeometryAnimOne;
  20     delete parallelAnim;
  21     delete parallelAnimTwo;
  22 }
  23
  24 void OmniAnimation::create( QSizeF *size, qreal widthLayoutMargin,
  25                             qreal xWidgetMargin, qreal yWidgetMargin )
  26 {
  27
  28     // The states and animations.
  29 /*( QObject * sender, const char * signal, QAbstractState * target ) */
  30 //geometry animation
  31     mOmniGeometryAnimOne = new QPropertyAnimation(mAnimatedObject, "geometry");
  32     mOmniGeometryAnimOne->setEndValue(QRectF( (xWidgetMargin + widthLayoutMargin),
  33                 size->height() - 360 - (yWidgetMargin + widthLayoutMargin) ,
  34                 size->width() - (xWidgetMargin + widthLayoutMargin)*2, 360));
  35     mOmniGeometryAnimOne->setStartValue(QRectF( xWidgetMargin + widthLayoutMargin,
  36                 size->height() - (yWidgetMargin + widthLayoutMargin),
  37                  size->width() - (xWidgetMargin + widthLayoutMargin)*2, size->height()));
  38     mOmniGeometryAnimOne->setDuration(600);
  39     mOmniGeometryAnimOne->setEasingCurve(QEasingCurve::InOutCubic);
  40 //opacity animation
  41     QPropertyAnimation *paletteAnim = new QPropertyAnimation(mParent, "opacity");
  42     paletteAnim->setDuration(900);
  43     paletteAnim->setEasingCurve(QEasingCurve::InQuad);
  44     paletteAnim->setStartValue(qreal(1));
  45     paletteAnim->setEndValue(qreal(0.05));
  46 //group animation
  47     parallelAnim = new QParallelAnimationGroup;
  48     parallelAnim->addAnimation(mOmniGeometryAnimOne);
  49     parallelAnim->addAnimation(paletteAnim);
  50
  51     QObject::connect( mSender, SIGNAL( clicked() ), parallelAnim, SLOT( start() ) );
  52 //new transition
  53
  54 //second geometry animation
  55     mOmniGeometryAnimTwo = new QPropertyAnimation(mAnimatedObject, "geometry");
  56     mOmniGeometryAnimTwo->setStartValue( mOmniGeometryAnimOne->endValue() );
  57     //mOmniGeometryAnimTwo->setEndValue( mOmniGeometryAnimOne->startValue() );
  58     mOmniGeometryAnimTwo->setEndValue( QRectF((xWidgetMargin + widthLayoutMargin), -(size->height() + 10), size->width() - (xWidgetMargin + widthLayoutMargin)*2, size->height()));
  59     mOmniGeometryAnimTwo->setEasingCurve( QEasingCurve::InCubic );
  60     mOmniGeometryAnimTwo->setDuration(400);
  61 //second opacity animation
  62     QPropertyAnimation *secondOpacitty = new QPropertyAnimation(mParent, "opacity");
  63     secondOpacitty->setStartValue( qreal(0.05) );
  64     secondOpacitty->setEndValue( qreal(1) );
  65     secondOpacitty->setDuration(700);
  66
  67     parallelAnimTwo = new QParallelAnimationGroup;
  68     parallelAnimTwo->addAnimation(mOmniGeometryAnimTwo);
  69     parallelAnimTwo->addAnimation(secondOpacitty);
  70
  71     QObject::connect( mAnimatedObject, SIGNAL( addItemClicked() ), parallelAnimTwo, SLOT( start() ) );
  72 }
  73
  74 void OmniAnimation::reset(QSizeF *size,
  75                           qreal widthLayoutMargin, qreal xWidgetMargin,
  76                           qreal yWidgetMargin)
  77 {
  78      mOmniGeometryAnimOne->setEndValue(QRectF( (xWidgetMargin + widthLayoutMargin),
  79                  size->height() - 360 - (yWidgetMargin + widthLayoutMargin) ,
  80                  size->width() - (xWidgetMargin + widthLayoutMargin)*2, 360));
  81
  82      mOmniGeometryAnimOne->setStartValue(QRectF( xWidgetMargin + widthLayoutMargin,
  83                  size->height() - (yWidgetMargin + widthLayoutMargin),
  84                  size->width() - (xWidgetMargin + widthLayoutMargin)*2, size->height()));
  85
  86     qDebug()<<"OmniAnimation::reset:"<<size->width();
  87
  88     mOmniGeometryAnimTwo->setStartValue( mOmniGeometryAnimOne->endValue() );
  89     mOmniGeometryAnimTwo->setEndValue( QRectF((xWidgetMargin + widthLayoutMargin),
  90                 -(size->height() + 10), size->width() - (xWidgetMargin + widthLayoutMargin)*2, size->height()));
  91 }