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zoom slider handle on mouse press

This commit is contained in:
laserpants 2016-04-30 13:54:59 +03:00
parent f6c8b74ddd
commit 955edc2f6a
2 changed files with 8 additions and 6 deletions
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12
components/slider.cpp
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@ -8,13 +8,13 @@ Handle::Handle(Slider *slider)
: QWidget(slider), : QWidget(slider),
_slider(slider), _slider(slider),
_animation(new QPropertyAnimation(this)), _animation(new QPropertyAnimation(this)),
_scaleFactor(1) _scaleFactor(12)
{ {
_animation->setPropertyName("scaleFactor"); _animation->setPropertyName("scaleFactor");
_animation->setTargetObject(this); _animation->setTargetObject(this);
_animation->setStartValue(1); _animation->setStartValue(12);
_animation->setEndValue(2); _animation->setEndValue(20);
_animation->setDuration(200); _animation->setDuration(100);
} }
Handle::~Handle() Handle::~Handle()
@ -51,7 +51,9 @@ void Handle::paintEvent(QPaintEvent *event)
painter.setBrush(brush); painter.setBrush(brush);
painter.setPen(Qt::NoPen); painter.setPen(Qt::NoPen);
painter.drawEllipse(0, 0, width(), height()); //painter.drawEllipse(0, 0, width(), height());
//painter.drawRect(rect());
painter.drawEllipse((width()-_scaleFactor)/2, (height()-_scaleFactor)/2, _scaleFactor, _scaleFactor);
QWidget::paintEvent(event); QWidget::paintEvent(event);
} }

2
components/slider.h
View File

@ -17,7 +17,7 @@ public:
explicit Handle(Slider *slider); explicit Handle(Slider *slider);
~Handle(); ~Handle();
inline QSize sizeHint() const Q_DECL_OVERRIDE { return QSize(12, 12)*_scaleFactor; } inline QSize sizeHint() const Q_DECL_OVERRIDE { return QSize(24, 24); } // *_scaleFactor; }
inline void setRelativePosition(const QPoint &pos) { setPosition(_offset + pos); } inline void setRelativePosition(const QPoint &pos) { setPosition(_offset + pos); }