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- make it possible to instantiate a Plasma::Widget itself (implement all pure virtuals from QGraphicsItem)

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- allow parenting it to a QGraphicsItem

svn path=/trunk/KDE/kdebase/workspace/libs/plasma/; revision=687019
This commit is contained in:
Aaron J. Seigo 2007-07-12 18:11:50 +00:00
parent ac35242c5d
commit b82624429e
2 changed files with 22 additions and 11 deletions
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26
widgets/widget.cpp
View File

@ -30,7 +30,10 @@ namespace Plasma
class Widget::Private
{
public:
Private() : parent(0) { }
Private()
: parent(0),
layout(0)
{ }
~Private() { }
QRectF geometry;
@ -40,17 +43,15 @@ class Widget::Private
QList<Widget *> childList;
};
Widget::Widget(Widget *parent)
Widget::Widget(QGraphicsItem *parent)
: QGraphicsItem(parent),
d(new Private)
{
d->parent = parent;
d->layout = 0;
d->parent = dynamic_cast<Widget*>(parent);
if (parent) {
parent->addChild(this);
parent->setGeometry(QRectF(QPointF(0.0, 0.0), parent->size()));
if (d->parent) {
d->parent->addChild(this);
d->parent->setGeometry(QRectF(QPointF(0.0, 0.0), d->parent->size()));
}
}
@ -186,6 +187,15 @@ void Widget::addChild(Widget *w)
}
}
void Widget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(painter)
Q_UNUSED(option)
Q_UNUSED(widget)
// do nothing, but we need to reimp so we can create Widget items as this method
// is pure virtual in QGraphicsItem
}
void Widget::reparent(Widget *w)
{
d->parent = w;

7
widgets/widget.h
View File

@ -39,7 +39,7 @@ class Layout;
class PLASMA_EXPORT Widget : public QGraphicsItem, public LayoutItem
{
public:
Widget(Widget *parent = 0);
explicit Widget(QGraphicsItem *parent = 0);
virtual ~Widget();
virtual Qt::Orientations expandingDirections() const;
@ -54,7 +54,7 @@ public:
virtual qreal widthForHeight(qreal h) const;
QRectF geometry() const;
void setGeometry(const QRectF& geometry);
void setGeometry(const QRectF &geometry);
void updateGeometry();
@ -66,7 +66,7 @@ public:
virtual QRectF boundingRect() const;
void resize(const QSizeF& size);
void resize(const QSizeF &size);
void resize(qreal w, qreal h);
void setLayout(Layout *l);
@ -76,6 +76,7 @@ public:
void reparent(Widget *w);
void addChild(Widget *w);
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget = 0);
private:
class Private;