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Support specifying the parent window on which the thumbnail is shown

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ThumbnailItem tries to find the window where it is embedded in
through a context propery containing the window id of the declarative
view. This works fine for e.g. TabBox but not for Plasma.Dialog as
that opens a new window.

REVIEW: 104394
This commit is contained in:
Martin Gräßlin 2012-03-24 08:12:29 +01:00
parent 6fa9d35322
commit 483ad7db66
2 changed files with 23 additions and 0 deletions
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17
thumbnailitem.cpp
View file

@ -37,6 +37,7 @@ ThumbnailItem::ThumbnailItem(QDeclarativeItem* parent)
, m_wId(0)
, m_clip(true)
, m_parent(QWeakPointer<EffectWindowImpl>())
, m_parentWindow(0)
{
setFlags(flags() & ~QGraphicsItem::ItemHasNoContents);
if (effects) {
@ -58,9 +59,24 @@ void ThumbnailItem::init()
}
}
void ThumbnailItem::setParentWindow(qulonglong parentWindow)
{
m_parentWindow = parentWindow;
findParentEffectWindow();
if (!m_parent.isNull()) {
m_parent.data()->registerThumbnail(this);
}
}
void ThumbnailItem::findParentEffectWindow()
{
if (effects) {
if (m_parentWindow) {
if (EffectWindowImpl *w = static_cast<EffectWindowImpl*>(effects->findWindow(m_parentWindow))) {
m_parent = QWeakPointer<EffectWindowImpl>(w);
return;
}
}
QDeclarativeContext *ctx = QDeclarativeEngine::contextForObject(this);
if (!ctx) {
kDebug(1212) << "No Context";
@ -73,6 +89,7 @@ void ThumbnailItem::findParentEffectWindow()
}
if (EffectWindowImpl *w = static_cast<EffectWindowImpl*>(effects->findWindow(variant.value<qulonglong>()))) {
m_parent = QWeakPointer<EffectWindowImpl>(w);
m_parentWindow = variant.value<qulonglong>();
}
}
}

6
thumbnailitem.h
View file

@ -35,6 +35,7 @@ class ThumbnailItem : public QDeclarativeItem
Q_OBJECT
Q_PROPERTY(qulonglong wId READ wId WRITE setWId NOTIFY wIdChanged SCRIPTABLE true)
Q_PROPERTY(bool clip READ isClip WRITE setClip NOTIFY clipChanged SCRIPTABLE true)
Q_PROPERTY(qulonglong parentWindow READ parentWindow WRITE setParentWindow)
public:
ThumbnailItem(QDeclarativeItem *parent = 0);
virtual ~ThumbnailItem();
@ -48,6 +49,10 @@ public:
}
void setClip(bool clip);
virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
qulonglong parentWindow() const {
return m_parentWindow;
}
void setParentWindow(qulonglong parentWindow);
Q_SIGNALS:
void wIdChanged(qulonglong wid);
void clipChanged(bool clipped);
@ -60,6 +65,7 @@ private:
qulonglong m_wId;
bool m_clip;
QWeakPointer<EffectWindowImpl> m_parent;
qulonglong m_parentWindow;
};
} // KWin