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* don't take address of temporaries

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* reflect the "config can come from applet if it is parent" change in itemChange() as well
* add a few comments and make the code a bit easier to read in places

svn path=/trunk/KDE/kdelibs/; revision=989704
This commit is contained in:
Aaron J. Seigo 2009-06-30 18:09:27 +00:00
parent 98735cc46a
commit 759f47be25
1 changed files with 45 additions and 32 deletions
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77
applet.cpp
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@ -1985,36 +1985,42 @@ QVariant Applet::itemChange(GraphicsItemChange change, const QVariant &value)
}
break;
case ItemParentChange:
if (d->mainConfig && !d->isContainment &&
!containment() &&
dynamic_cast<Containment*>(value.value<QGraphicsItem *>())) {
// if this is an applet, and we've just been assigned to our first containment,
// but the applet did something stupid like ask for the config() object prior to
// this happening (e.g. inits ctor) then let's repair that situation for them.
kWarning() << "Configuration object was requested prior to init(), which is too early. "
"Please fix this item:" << parentItem() << value.value<QGraphicsItem *>()
<< name();
KConfigGroup *old = d->mainConfig;
KConfigGroup appletConfig = dynamic_cast<Containment*>(value.value<QGraphicsItem *>())->config();
appletConfig = KConfigGroup(&appletConfig, "Applets");
d->mainConfig = new KConfigGroup(&appletConfig, QString::number(d->appletId));
old->copyTo(d->mainConfig);
old->deleteGroup();
delete old;
} else if (!d->isContainment) {
if (!d->isContainment) {
Containment *c = containment();
if (d->mainConfig && !c) {
kWarning() << "Configuration object was requested prior to init(), which is too early. "
"Please fix this item:" << parentItem() << value.value<QGraphicsItem *>()
<< name();
Applet *newC = dynamic_cast<Applet*>(value.value<QGraphicsItem *>());
if (newC) {
// if this is an applet, and we've just been assigned to our first containment,
// but the applet did something stupid like ask for the config() object prior to
// this happening (e.g. inits ctor) then let's repair that situation for them.
KConfigGroup *old = d->mainConfig;
KConfigGroup appletConfig = newC->config();
appletConfig = KConfigGroup(&appletConfig, "Applets");
d->mainConfig = new KConfigGroup(&appletConfig, QString::number(d->appletId));
old->copyTo(d->mainConfig);
old->deleteGroup();
delete old;
}
}
Plasma::PopupApplet *pa = qobject_cast<Plasma::PopupApplet *>(this);
if (!pa) {
break;
}
//reconnect of popupapplets with new containment geometryChanged
if (containment()) {
disconnect(containment(), SIGNAL(geometryChanged()), pa, SLOT(updateDialogPosition()));
}
Plasma::Containment *cont = dynamic_cast<Containment*>(value.value<QGraphicsItem *>());
if (cont) {
connect(cont, SIGNAL(geometryChanged()), pa, SLOT(updateDialogPosition()));
if (pa) {
//reconnect of popupapplets with new containment geometryChanged
if (c) {
disconnect(containment(), SIGNAL(geometryChanged()), pa, SLOT(updateDialogPosition()));
}
Plasma::Containment *cont = dynamic_cast<Containment*>(value.value<QGraphicsItem *>());
if (cont) {
connect(cont, SIGNAL(geometryChanged()), pa, SLOT(updateDialogPosition()));
}
}
}
break;
case ItemPositionChange:
return (immutability() == Mutable || isContainment() || formFactor() == Horizontal || formFactor() == Vertical) ? value : pos();
break;
@ -2409,11 +2415,18 @@ KConfigGroup *AppletPrivate::mainConfigGroup()
mainConfig = new KConfigGroup(&containmentConfig, QString::number(appletId));
} else {
KConfigGroup appletConfig;
Plasma::Applet *parentApplet = qobject_cast<Plasma::Applet *>(q->parent());
if (parentApplet && q->containment() && parentApplet != q->containment()) {
appletConfig = KConfigGroup(&parentApplet->config(), "Applets");
} else if (q->containment()) {
appletConfig = q->containment()->config();
if (Containment *c = q->containment()) {
Plasma::Applet *parentApplet = qobject_cast<Applet *>(q->parent());
if (parentApplet && parentApplet != static_cast<Applet *>(c)) {
// this applet is nested inside another applet! use it's config
// as the parent group in the config
appletConfig = parentApplet->config();
} else {
// applet directly in a Containment, as usual
appletConfig = c->config();
}
appletConfig = KConfigGroup(&appletConfig, "Applets");
} else {
kWarning() << "requesting config for" << q->name() << "without a containment!";