//______________________________________________________
LabelData::LabelData( QObject* parent, QLabel* target, int duration ):
TransitionData( parent, target, duration ),
target_( target ) {
target_.data()->installEventFilter( this );
bool hasProxy( target_.data()->graphicsProxyWidget() );
transition().data()->setFlags( hasProxy ? TransitionWidget::Transparent : TransitionWidget::GrabFromWindow );
connect( target_.data(), SIGNAL( destroyed() ), SLOT( targetDestroyed() ) );
}
//______________________________________________________
StackedWidgetData::StackedWidgetData( QObject* parent, QStackedWidget* target, int duration ):
TransitionData( parent, target, duration ),
target_( target ),
index_( target->currentIndex() ) {
// configure transition
connect( target_.data(), SIGNAL( destroyed() ), SLOT( targetDestroyed() ) );
connect( target_.data(), SIGNAL( currentChanged( int ) ), SLOT( animate() ) );
// disable focus
transition().data()->setAttribute(Qt::WA_NoMousePropagation, true);
transition().data()->setFlag(TransitionWidget::PaintOnWidget, true);
setMaxRenderTime( 50 );
}
NearFieldTarget::~NearFieldTarget()
{
releaseIntent();
emit targetDestroyed(m_uid);
}
// Add a prefix to this matcher, together with a positive type code.
// Optionally, an object target and slot can be supplied. When the
// prefix is matched by "lookup", it will automatically dispatch
// matching values to the indicated slot. The slot should have the
// prototype "name(const QString&)".
void QPrefixMatcher::add( const QString& prefix, QPrefixMatcher::Type type,
bool mayBeCommand, QObject *target, const char *slot )
{
// The prefix needs at least one character.
if ( prefix.isEmpty() )
return;
// Traverse the tree to find the insert position.
QPrefixMatcherNode *node;
QPrefixMatcherNode **reference;
node = root->children;
reference = &(root->children);
for ( int posn = 0; posn < prefix.length(); ++posn ) {
ushort ch = prefix[posn].unicode();
while ( node != 0 && node->ch != ch ) {
reference = &(node->next);
node = node->next;
}
if ( !node ) {
node = new QPrefixMatcherNode();
if ( !node )
return; // Just in case.
node->ch = ch;
*reference = node;
}
if ( ( posn + 1 ) < prefix.length() ) {
reference = &(node->children);
node = node->children;
}
}
node->type = type;
node->marker = 1;
node->mayBeCommand = mayBeCommand;
// Add the target slot information, if necessary.
if ( target && slot ) {
// Resolve the slot to an index that can be used with qt_metacall.
if ( *slot >= '0' && *slot <= '9' )
++slot;
QByteArray name = QMetaObject::normalizedSignature( slot );
int index = target->metaObject()->indexOfMethod( name.constData() );
if ( index == -1 ) {
qDebug()<<"AtChat:" << "QPrefixMatcher: "
<< target->metaObject()->className()
<< "::"
<< name
<< " is not an accessible slot";
return;
}
// If we haven't seen this target before, then trap
// its destroyed() signal so that we can stop sending
// it signals when it disappears.
if ( !targets.contains( target ) ) {
targets.insert( target );
connect( target, SIGNAL(destroyed()),
this, SLOT(targetDestroyed()) );
}
// If the target is already on this node, don't add it again.
QPrefixMatcherTarget *t = node->targets;
while ( t != 0 ) {
if ( t->target == target && t->index == index )
return;
t = t->next;
}
// Add the target information to the current node.
t = new QPrefixMatcherTarget();
t->target = target;
t->index = index;
t->next = node->targets;
node->targets = t;
}
}
