void MultiPageLayout::setPages(int from, int to)
{
if( book->pages()->count() == 0 || from < 0 || to >= book->pages()->count() )
return;
if( from == 0 )
to = 0;
// qDebug() << "MultiPageLayout::setPages" << from << to;
nFirstPage = from;
if(from == 0)
emit backwardEnabled(false);
if(to == book->pages()->count()-2)
emit forwardEnabled(false);
// remove and delete any widgets that might be on the layout already
removeAndDeleteWidget(1,2);
removeAndDeleteWidget(1,3);
removeAndDeleteWidget(2,2);
removeAndDeleteWidget(2,3);
if(from==to)
{
addPage( book->pages()->at(from), from, SinglePage );
}
else
{
if(bSwapDirection)
{
addPage( book->pages()->at(from), from, DoublePageSecond );
addPage( book->pages()->at(to), to, DoublePageFirst );
}
else
{
addPage( book->pages()->at(from), from, DoublePageFirst );
addPage( book->pages()->at(to), to, DoublePageSecond );
}
}
if( from == 0 )
emit backwardEnabled(false);
else
emit backwardEnabled(true);
if( to == book->pages()->count()-1)
emit forwardEnabled(false);
else
emit forwardEnabled(true);
}
void HelpWindowWidget::documentChanged()
{
// A new help document has been selected, resulting in the previous or next
// help document becoming either available or not
QAction *action = qobject_cast<QAction *>(sender());
if (action == pageAction(QWebPage::Back))
emit backEnabled(action->isEnabled());
else if (action == pageAction(QWebPage::Forward))
emit forwardEnabled(action->isEnabled());
}
void HelpWindowWidget::loadSettings(QSettings *pSettings)
{
// Let the user know of a few default things about ourselves by emitting a
// few signals
emit notHomePage(false);
emit backEnabled(false);
emit forwardEnabled(false);
emit copyTextEnabled(false);
emitZoomRelatedSignals();
// Retrieve the zoom level
setZoomLevel(pSettings->value(SettingsZoomLevel, DefaultZoomLevel).toInt());
}
void HelpWidget::documentChanged()
{
// A new help document has been selected, resulting in the previous or next
// help document becoming either available or not
QAction *action = qobject_cast<QAction *>(sender());
if (action) {
// The QObject casting was successful, so we can carry on
if (action == pageAction(QWebPage::Back)) {
// The current action is to tell us whether the previous help
// document is available, so send a signal to let the user know
// about it
emit backEnabled(action->isEnabled());
} else if (action == pageAction(QWebPage::Forward)) {
// The current action is to tell us whether the next help document
// is available, so send a signal to let the user know about it
emit forwardEnabled(action->isEnabled());
}
}
}
