FlapJackApps/subsurface
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Added a class based on QGraphicsLineItem that can be animated.

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This class has animatedHide, animatedMoveTo and QProperty
animations. it's very userful for the future creation of the
Cartesian Axis that will have the ticks 'flowing' around when
it's needed.

Signed-off-by: Tomaz Canabrava <tcanabrava@kde.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2014-01-14 15:12:00 -02:00 committed by Dirk Hohndel
parent 639123a1e8
commit d47456b4e8
3 changed files with 45 additions and 2 deletions
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24
qt-ui/profile/divelineitem.cpp Normal file
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@ -0,0 +1,24 @@
#include "divelineitem.h"
#include <QPropertyAnimation>
DiveLineItem::DiveLineItem(QGraphicsItem *parent) : QGraphicsLineItem(parent)
{
}
void DiveLineItem::animatedHide()
{
QPropertyAnimation *animation = new QPropertyAnimation(this, "opacity");
connect(animation, SIGNAL(finished()), SLOT(deleteLater()));
animation->setStartValue(1);
animation->setEndValue(0);
animation->start(QAbstractAnimation::DeleteWhenStopped);
}
void DiveLineItem::animateMoveTo(qreal x, qreal y)
{
QPropertyAnimation *animation = new QPropertyAnimation(this, "pos");
animation->setStartValue(property("pos").toPointF());
animation->setEndValue(QPointF(x, y));
animation->start(QAbstractAnimation::DeleteWhenStopped);
}

17
qt-ui/profile/divelineitem.h Normal file
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@ -0,0 +1,17 @@
#ifndef DIVELINEITEM_H
#define DIVELINEITEM_H
#include <QObject>
#include <QGraphicsLineItem>
class DiveLineItem : public QObject, public QGraphicsLineItem {
Q_OBJECT
Q_PROPERTY(QPointF pos READ pos WRITE setPos)
Q_PROPERTY(qreal opacity READ opacity WRITE setOpacity)
public:
DiveLineItem(QGraphicsItem *parent = 0);
void animatedHide();
void animateMoveTo(qreal x, qreal y);
};
#endif

6
subsurface.pro
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@ -65,7 +65,8 @@ HEADERS = \
qt-ui/usermanual.h \
qt-ui/profile/profilewidget2.h \
qt-ui/profile/diverectitem.h \
qt-ui/profile/divepixmapitem.h
qt-ui/profile/divepixmapitem.h \
qt-ui/profile/divelineitem.h
SOURCES = \
deco.c \
@ -118,7 +119,8 @@ SOURCES = \
qt-ui/usermanual.cpp \
qt-ui/profile/profilewidget2.cpp \
qt-ui/profile/diverectitem.cpp \
qt-ui/profile/divepixmapitem.cpp
qt-ui/profile/divepixmapitem.cpp \
qt-ui/profile/divelineitem.cpp
linux*: SOURCES += linux.c
mac: SOURCES += macos.c