animate drop shadow on RaisedButton
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7a04426900
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28b063e591
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@ -1,3 +1,7 @@
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#include <QDebug>
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#include <QPropertyAnimation>
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#include <QStylePainter>
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#include <QPaintEvent>
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#include "raisedbutton.h"
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#include "lib/customshadoweffect.h"
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@ -7,8 +11,55 @@ RaisedButton::RaisedButton(QWidget *parent)
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CustomShadowEffect *effect = new CustomShadowEffect;
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setGraphicsEffect(effect);
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setAutoFillBackground(true);
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QPropertyAnimation *animation;
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animation = new QPropertyAnimation;
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animation->setTargetObject(effect);
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animation->setPropertyName("distance");
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animation->setStartValue(2);
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animation->setEndValue(6);
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animation->setDuration(100);
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_group.addAnimation(animation);
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animation = new QPropertyAnimation;
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animation->setTargetObject(effect);
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animation->setPropertyName("blurRadius");
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animation->setStartValue(10);
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animation->setEndValue(20);
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animation->setDuration(100);
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_group.addAnimation(animation);
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connect(animation, SIGNAL(valueChanged(QVariant)), this, SLOT(update()));
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}
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RaisedButton::~RaisedButton()
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{
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}
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void RaisedButton::mousePressEvent(QMouseEvent *event)
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{
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Q_UNUSED(event)
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_group.setDirection(QAbstractAnimation::Forward);
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_group.start();
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FlatButton::mousePressEvent(event);
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}
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void RaisedButton::mouseReleaseEvent(QMouseEvent *event)
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{
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Q_UNUSED(event)
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_group.setDirection(QAbstractAnimation::Backward);
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_group.start();
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FlatButton::mouseReleaseEvent(event);
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}
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void RaisedButton::paintEvent(QPaintEvent *event)
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{
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QStylePainter painter(this);
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painter.drawControl(QStyle::CE_PushButton, getStyleOption());
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}
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@ -1,8 +1,11 @@
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#ifndef RAISEDBUTTON_H
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#define RAISEDBUTTON_H
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#include <QParallelAnimationGroup>
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#include "flatbutton.h"
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class QPropertyAnimation;
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class RaisedButton : public FlatButton
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{
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Q_OBJECT
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@ -10,6 +13,14 @@ class RaisedButton : public FlatButton
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public:
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explicit RaisedButton(QWidget *parent = 0);
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~RaisedButton();
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protected:
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void mousePressEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void mouseReleaseEvent(QMouseEvent *event) Q_DECL_OVERRIDE;
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void paintEvent(QPaintEvent *event) Q_DECL_OVERRIDE;
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private:
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QParallelAnimationGroup _group;
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};
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#endif // RAISEDBUTTON_H
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