void MythWizard::showPage( QWidget * page )
{
MythWizardPrivate::Page * p = d->page( page );
if ( p ) {
int i;
for( i = 0; i < d->pages.size() && d->pages[i] != p; i++ );
bool notFirst( false );
if (i)
{
i--;
while ((i >= 0) && !notFirst)
{
notFirst |= appropriate(d->pages[i]->w);
i--;
}
}
setBackEnabled( notFirst );
setNextEnabled( true );
d->ws->setCurrentWidget(page);
d->current = p;
}
layOut();
updateButtons();
emit selected( p ? p->t : QString() );
if (indexOf(page) == pageCount()-1) {
// last page
finishButton()->setEnabled(true);
finishButton()->setFocus();
} else {
nextButton()->setFocus();
}
}
void QWizard::updateButtons()
{
if ( !d->current )
return;
int i;
for( i = 0; i < (int)d->pages.count() && d->pages.at( i ) != d->current; i++ );
bool notFirst( FALSE );
if( i ) {
i--;
while( ( i >= 0 ) && !notFirst ) {
notFirst |= appropriate( d->pages.at( i )->w );
i--;
}
}
setBackEnabled( d->current->backEnabled && notFirst );
setNextEnabled( d->current->nextEnabled );
d->finishButton->setEnabled( d->current->finishEnabled );
d->helpButton->setEnabled( d->current->helpEnabled );
if ( ( d->current->finishEnabled && !d->finishButton->isVisible() ) ||
( d->current->backEnabled && !d->backButton->isVisible() ) ||
( d->current->nextEnabled && !d->nextButton->isVisible() ) ||
( d->current->helpEnabled && !d->helpButton->isVisible() ) )
layOut();
}
void QWizard::showPage( QWidget * page )
{
QWizardPrivate::Page * p = d->page( page );
if ( p ) {
int i;
for( i = 0; i < (int)d->pages.count() && d->pages.at( i ) != p; i++ );
bool notFirst( FALSE );
if( i ) {
i--;
while( ( i >= 0 ) && !notFirst ) {
notFirst |= appropriate( d->pages.at( i )->w );
i--;
}
}
setBackEnabled( notFirst );
setNextEnabled( TRUE );
d->ws->raiseWidget( page );
d->current = p;
}
layOut();
updateButtons();
emit selected( p ? p->t : QString::null );
}
void MythWizard::layOutButtonRow( QHBoxLayout * layout )
{
bool hasEarlyFinish = false;
int i = d->pages.size() - 2;
while ( !hasEarlyFinish && i >= 0 )
{
hasEarlyFinish |= (d->pages.at(i) && d->pages.at(i)->finishEnabled);
i--;
}
QHBoxLayout *h = new QHBoxLayout();
h->setSpacing(QBoxLayout::LeftToRight);
layout->addLayout( h );
h->addWidget( d->cancelButton );
h->addStretch( 42 );
h->addWidget( d->backButton );
h->addSpacing( 6 );
if (hasEarlyFinish)
{
d->nextButton->show();
d->finishButton->show();
h->addWidget( d->nextButton );
h->addSpacing( 12 );
h->addWidget( d->finishButton );
}
else if (d->pages.empty() ||
d->current->finishEnabled ||
d->current == d->pages.last())
{
d->nextButton->hide();
d->finishButton->show();
h->addWidget( d->finishButton );
}
else
{
d->nextButton->show();
d->finishButton->hide();
h->addWidget( d->nextButton );
}
// if last page is disabled - show finished btn. at lastpage-1
i = d->pages.size() - 1;
if (i > 0 && !appropriate(d->pages[i]->w) &&
d->current == d->pages[(uint)(i) - 1])
{
d->nextButton->hide();
d->finishButton->show();
h->addWidget( d->finishButton );
}
}
void MythWizard::next()
{
int i = 0;
while( i < d->pages.size() && d->pages[i] &&
d->current && d->pages[i]->w != d->current->w )
i++;
i++;
while( i <= d->pages.size()-1 &&
( !d->pages[i] || !appropriate( d->pages[i]->w ) ) )
i++;
while ( i > 0 && (i >= d->pages.size() || !d->pages[i] ) )
i--;
if ( d->pages[i] )
showPage( d->pages[i]->w );
}
/*!
Called when the user clicks the Next button, this function shows
the next relevant page in the sequence.
\sa appropriate()
*/
void QWizard::next()
{
int i = 0;
while( i < (int)d->pages.count() && d->pages.at( i ) &&
d->current && d->pages.at( i )->w != d->current->w )
i++;
i++;
while( i <= (int)d->pages.count()-1 &&
( !d->pages.at( i ) || !appropriate( d->pages.at( i )->w ) ) )
i++;
// if we fell of the end of the world, step back
while ( i > 0 && (i >= (int)d->pages.count() || !d->pages.at( i ) ) )
i--;
if ( d->pages.at( i ) )
showPage( d->pages.at( i )->w );
}
/*!
Called when the user clicks the Back button; this function shows
the preceding relevant page in the sequence.
\sa appropriate()
*/
void QWizard::back()
{
int i = 0;
while( i < (int)d->pages.count() && d->pages.at( i ) &&
d->current && d->pages.at( i )->w != d->current->w )
i++;
i--;
while( i >= 0 && ( !d->pages.at( i ) || !appropriate( d->pages.at( i )->w ) ) )
i--;
if( i >= 0 )
if( d->pages.at( i ) )
showPage( d->pages.at( i )->w );
}
void MythWizard::back()
{
int i = 0;
while( i < d->pages.size() && d->pages[i] &&
d->current && d->pages[i]->w != d->current->w )
i++;
i--;
while( i >= 0 &&
( !d->pages[i] || !appropriate( d->pages[i]->w ) ) )
i--;
if ( i >= 0 )
if ( d->pages[i] )
showPage( d->pages[i]->w );
}
void MythWizard::updateButtons()
{
if ( !d->current )
return;
int i;
for( i = 0; i < d->pages.size() && d->pages[i] != d->current; i++ );
bool notFirst( false );
if ( i ) {
i--;
while( ( i >= 0 ) && !notFirst ) {
notFirst |= appropriate( d->pages[i]->w );
i--;
}
}
setBackEnabled( d->current->backEnabled && notFirst );
setNextEnabled( d->current->nextEnabled );
d->finishButton->setEnabled( d->current->finishEnabled );
if ( ( d->current->finishEnabled && !d->finishButton->isVisible() ) ||
( d->current->backEnabled && !d->backButton->isVisible() ) ||
( d->current->nextEnabled && !d->nextButton->isVisible() ) )
layOut();
}
void QWizard::layOutButtonRow( QHBoxLayout * layout )
{
bool hasHelp = FALSE;
bool hasEarlyFinish = FALSE;
int i = d->pages.count() - 2;
while ( !hasEarlyFinish && i >= 0 ) {
if ( d->pages.at( i ) && d->pages.at( i )->finishEnabled )
hasEarlyFinish = TRUE;
i--;
}
i = 0;
while ( !hasHelp && i < (int)d->pages.count() ) {
if ( d->pages.at( i ) && d->pages.at( i )->helpEnabled )
hasHelp = TRUE;
i++;
}
QBoxLayout * h = new QBoxLayout( QBoxLayout::LeftToRight );
layout->addLayout( h );
if ( hasHelp )
h->addWidget( d->helpButton );
else
d->helpButton->hide();
h->addStretch( 42 );
h->addWidget( d->backButton );
h->addSpacing( 6 );
if (d->current == d->pages.at( d->pages.count()-1 ))
hasEarlyFinish = FALSE;
if ( hasEarlyFinish ) {
d->nextButton->show();
d->finishButton->show();
h->addWidget( d->nextButton );
h->addSpacing( 12 );
h->addWidget( d->finishButton );
} else if ( d->pages.count() == 0 ||
d->current->finishEnabled ||
d->current == d->pages.at( d->pages.count()-1 ) ) {
d->nextButton->hide();
d->finishButton->show();
h->addWidget( d->finishButton );
} else {
d->nextButton->show();
d->finishButton->hide();
h->addWidget( d->nextButton );
}
// if last page is disabled - show finished btn. at lastpage-1
i = d->pages.count()-1;
if ( i >= 0 && !appropriate( d->pages.at( i )->w ) &&
d->current == d->pages.at( d->pages.count()-2 ) ) {
d->nextButton->hide();
d->finishButton->show();
h->addWidget( d->finishButton );
}
h->addSpacing( 12 );
h->addWidget( d->cancelButton );
}
