QSet<int>
GridCardViewerWidget::getRowSelectableIndices( int row )
{
// Use QMutableSetIterator to operate on set in-place.
QSet<int> indices = getRowIndices( row );
QMutableSetIterator<int> iter( indices );
while( iter.hasNext() )
{
int i = iter.next();
if( !isIndexSelectable( i ) ) iter.remove();
}
return indices;
}
GridCardViewerWidget::GridCardViewerWidget( ImageLoaderFactory* imageLoaderFactory,
const Logging::Config& loggingConfig,
QWidget* parent )
: CardViewerWidget( imageLoaderFactory, loggingConfig, parent ),
mGridCardsLayout( nullptr ),
mWaitingForTurn( false )
{
// Create column buttons.
for( int col = 0; col < 3; ++col )
{
for( bool top : { true, false } )
{
GridToolButton* button = new GridToolButton();
button->setArrowType( top ? Qt::DownArrow : Qt::UpArrow );
button->setText( "Select Column" );
button->setToolButtonStyle( Qt::ToolButtonTextBesideIcon );
button->setToolTip( tr("Select column %0").arg(col+1) );
// Keep the layout from jerking around when buttons are hidden.
QSizePolicy sizePolicy = button->sizePolicy();
sizePolicy.setRetainSizeWhenHidden( true );
button->setSizePolicy( sizePolicy );
connect( button, &GridToolButton::mouseEntered, [this,col]() {
for( auto i : getColSelectableIndices( col ) )
{
if( i < mCardWidgetsList.size() ) mCardWidgetsList[i]->setHighlighted( true );
}
} );
connect( button, &GridToolButton::mouseExited, [this,col]() {
for( auto i : getColIndices( col ) )
{
if( i < mCardWidgetsList.size() ) mCardWidgetsList[i]->setHighlighted( false );
}
} );
connect( button, &QToolButton::clicked, [this,col]() {
QList<int> indices = QList<int>::fromSet( getColSelectableIndices( col ) );
emit cardIndicesSelectRequested( indices );
} );
if( top )
{
mTopColButtons[col] = button;
}
else
{
mBottomColButtons[col] = button;
}
}
}
// Create row buttons.
for( int row = 0; row < 3; ++row )
{
for( bool left : { true, false } )
{
GridToolButton* button = new GridToolButton();
button->setArrowType( left ? Qt::RightArrow : Qt::LeftArrow );
button->setText( "Select\nRow" );
button->setToolButtonStyle( Qt::ToolButtonTextUnderIcon );
button->setToolTip( tr("Select row %0").arg(row+1) );
connect( button, &GridToolButton::mouseEntered, [this,row]() {
for( auto i : getRowSelectableIndices( row ) )
{
if( i < mCardWidgetsList.size() ) mCardWidgetsList[i]->setHighlighted( true );
}
} );
connect( button, &GridToolButton::mouseExited, [this,row]() {
for( auto i : getRowIndices( row ) )
{
if( i < mCardWidgetsList.size() ) mCardWidgetsList[i]->setHighlighted( false );
}
} );
connect( button, &QToolButton::clicked, [this,row]() {
QList<int> indices = QList<int>::fromSet( getRowSelectableIndices( row ) );
emit cardIndicesSelectRequested( indices );
} );
if( left )
{
mLeftRowButtons[row] = button;
}
else
{
mRightRowButtons[row] = button;
}
}
}
}
int *getMutableRowIndices(int irow){
// using const_cast to stop warnings about cast-away constness
return const_cast<int *>(getRowIndices(irow));
}