QgsLayoutItem *QgsLayout::layoutItemAt( QPointF position, const QgsLayoutItem *belowItem, const bool ignoreLocked ) const
{
//get a list of items which intersect the specified position, in descending z order
const QList<QGraphicsItem *> itemList = items( position, Qt::IntersectsItemShape, Qt::DescendingOrder );
bool foundBelowItem = false;
for ( QGraphicsItem *graphicsItem : itemList )
{
QgsLayoutItem *layoutItem = dynamic_cast<QgsLayoutItem *>( graphicsItem );
QgsLayoutItemPage *paperItem = dynamic_cast<QgsLayoutItemPage *>( layoutItem );
if ( layoutItem && !paperItem )
{
// If we are not checking for a an item below a specified item, or if we've
// already found that item, then we've found our target
if ( ( ! belowItem || foundBelowItem ) && ( !ignoreLocked || !layoutItem->isLocked() ) )
{
return layoutItem;
}
else
{
if ( layoutItem == belowItem )
{
//Target item is next in list
foundBelowItem = true;
}
}
}
}
return nullptr;
}
void QgsLayoutView::unlockAllItems()
{
//unlock all items in layout
currentLayout()->undoStack()->beginMacro( tr( "Unlock Items" ) );
//first, clear the selection
currentLayout()->deselectAll();
QgsLayoutItem *focusItem = nullptr;
const QList<QGraphicsItem *> itemList = currentLayout()->items();
for ( QGraphicsItem *graphicItem : itemList )
{
QgsLayoutItem *item = dynamic_cast<QgsLayoutItem *>( graphicItem );
if ( item && item->isLocked() )
{
focusItem = item;
item->setLocked( false );
//select unlocked items, same behavior as illustrator
item->setSelected( true );
}
}
currentLayout()->undoStack()->endMacro();
emit itemFocused( focusItem );
}
void QgsLayoutView::invertSelection()
{
if ( !currentLayout() )
{
return;
}
QgsLayoutItem *focusedItem = nullptr;
//check all items in layout
const QList<QGraphicsItem *> itemList = currentLayout()->items();
for ( QGraphicsItem *graphicsItem : itemList )
{
QgsLayoutItem *item = dynamic_cast<QgsLayoutItem *>( graphicsItem );
QgsLayoutItemPage *paperItem = dynamic_cast<QgsLayoutItemPage *>( graphicsItem );
if ( item && !paperItem )
{
//flip selected state for items (and deselect any locked items)
if ( item->isSelected() || item->isLocked() )
{
item->setSelected( false );
}
else
{
item->setSelected( true );
if ( !focusedItem )
focusedItem = item;
}
}
}
if ( focusedItem )
emit itemFocused( focusedItem );
}
void QgsLayoutView::selectAll()
{
if ( !currentLayout() )
{
return;
}
//select all items in layout
QgsLayoutItem *focusedItem = nullptr;
const QList<QGraphicsItem *> itemList = currentLayout()->items();
for ( QGraphicsItem *graphicsItem : itemList )
{
QgsLayoutItem *item = dynamic_cast<QgsLayoutItem *>( graphicsItem );
QgsLayoutItemPage *paperItem = dynamic_cast<QgsLayoutItemPage *>( graphicsItem );
if ( item && !paperItem )
{
if ( !item->isLocked() )
{
item->setSelected( true );
if ( !focusedItem )
focusedItem = item;
}
else
{
//deselect all locked items
item->setSelected( false );
}
}
}
emit itemFocused( focusedItem );
}
QList<QgsLayoutItem *> QgsLayout::selectedLayoutItems( const bool includeLockedItems )
{
QList<QgsLayoutItem *> layoutItemList;
const QList<QGraphicsItem *> graphicsItemList = selectedItems();
for ( QGraphicsItem *item : graphicsItemList )
{
QgsLayoutItem *layoutItem = dynamic_cast<QgsLayoutItem *>( item );
if ( layoutItem && ( includeLockedItems || !layoutItem->isLocked() ) )
{
layoutItemList.push_back( layoutItem );
}
}
return layoutItemList;
}
void QgsLayoutViewToolSelect::layoutReleaseEvent( QgsLayoutViewMouseEvent *event )
{
if ( event->button() != Qt::LeftButton && mMouseHandles->shouldBlockEvent( event ) )
{
//swallow clicks while dragging/resizing items
return;
}
if ( !mIsSelecting || event->button() != Qt::LeftButton )
{
event->ignore();
return;
}
mIsSelecting = false;
bool wasClick = !isClickAndDrag( mMousePressStartPos, event->pos() );
QRectF rect = mRubberBand->finish( event->layoutPoint(), event->modifiers() );
bool subtractingSelection = false;
if ( event->modifiers() & Qt::ShiftModifier )
{
//shift modifier means adding to selection, nothing required here
}
else if ( event->modifiers() & Qt::ControlModifier )
{
//control modifier means subtract from current selection
subtractingSelection = true;
}
else
{
//not adding to or removing from selection, so clear current selection
whileBlocking( layout() )->deselectAll();
}
//determine item selection mode, default to intersection
Qt::ItemSelectionMode selectionMode = Qt::IntersectsItemShape;
if ( event->modifiers() & Qt::AltModifier )
{
//alt modifier switches to contains selection mode
selectionMode = Qt::ContainsItemShape;
}
//find all items in rect
QList<QGraphicsItem *> itemList;
if ( wasClick )
itemList = layout()->items( rect.center(), selectionMode );
else
itemList = layout()->items( rect, selectionMode );
for ( QGraphicsItem *item : qgis::as_const( itemList ) )
{
QgsLayoutItem *layoutItem = dynamic_cast<QgsLayoutItem *>( item );
QgsLayoutItemPage *paperItem = dynamic_cast<QgsLayoutItemPage *>( item );
if ( layoutItem && !paperItem )
{
if ( !layoutItem->isLocked() )
{
if ( subtractingSelection )
{
layoutItem->setSelected( false );
}
else
{
layoutItem->setSelected( true );
}
if ( wasClick )
{
// found an item, and only a click - nothing more to do
break;
}
}
}
}
//update item panel
const QList<QgsLayoutItem *> selectedItemList = layout()->selectedLayoutItems();
if ( !selectedItemList.isEmpty() )
{
emit itemFocused( selectedItemList.at( 0 ) );
}
else
{
emit itemFocused( nullptr );
}
mMouseHandles->selectionChanged();
}