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IMPROVEMENT: automatically repaint when the svg changes beneath it

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svn path=/trunk/KDE/kdelibs/; revision=1167531
This commit is contained in:
Aaron J. Seigo 2010-08-24 20:40:43 +00:00
parent 70fd5a6ae4
commit cc942a894c
2 changed files with 26 additions and 9 deletions
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33
widgets/svgwidget.cpp
View File

@ -27,27 +27,34 @@
namespace Plasma namespace Plasma
{ {
class SvgWidgetPrivate class SvgWidgetPrivate
{ {
public: public:
SvgWidgetPrivate(Svg *s, const QString &element) SvgWidgetPrivate(SvgWidget *widget, Svg *s, const QString &element)
: svg(s), elementID(element) : q(widget), svg(s), elementID(element)
{ {
} }
Svg *svg; void svgChanged()
QString elementID; {
q->update();
}
SvgWidget *q;
Svg *svg;
QString elementID;
}; };
SvgWidget::SvgWidget(QGraphicsItem *parent, Qt::WindowFlags wFlags) SvgWidget::SvgWidget(QGraphicsItem *parent, Qt::WindowFlags wFlags)
: QGraphicsWidget(parent, wFlags), : QGraphicsWidget(parent, wFlags),
d(new SvgWidgetPrivate(0, QString())) d(new SvgWidgetPrivate(this, 0, QString()))
{ {
} }
SvgWidget::SvgWidget(Svg *svg, const QString &elementID, QGraphicsItem *parent, Qt::WindowFlags wFlags) SvgWidget::SvgWidget(Svg *svg, const QString &elementID, QGraphicsItem *parent, Qt::WindowFlags wFlags)
: QGraphicsWidget(parent, wFlags), : QGraphicsWidget(parent, wFlags),
d(new SvgWidgetPrivate(svg, elementID)) d(new SvgWidgetPrivate(this, svg, elementID))
{ {
} }
@ -76,7 +83,15 @@ void SvgWidget::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
void SvgWidget::setSvg(Svg *svg) void SvgWidget::setSvg(Svg *svg)
{ {
if (d->svg) {
disconnect(d->svg);
}
d->svg = svg; d->svg = svg;
if (svg) {
connect(svg, SIGNAL(repaintNeeded()), this, SLOT(svgChanged()));
}
update(); update();
} }

2
widgets/svgwidget.h
View File

@ -66,6 +66,8 @@ class PLASMA_EXPORT SvgWidget : public QGraphicsWidget
void mousePressEvent(QGraphicsSceneMouseEvent * event); void mousePressEvent(QGraphicsSceneMouseEvent * event);
private: private:
Q_PRIVATE_SLOT(d, void svgChanged())
SvgWidgetPrivate * const d; SvgWidgetPrivate * const d;
}; };