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 );
}
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 QgsLayoutViewToolSelect::layoutPressEvent( QgsLayoutViewMouseEvent *event )
{
if ( mMouseHandles->shouldBlockEvent( event ) )
{
//swallow clicks while dragging/resizing items
return;
}
if ( mMouseHandles->isVisible() )
{
//selection handles are being shown, get mouse action for current cursor position
QgsLayoutMouseHandles::MouseAction mouseAction = mMouseHandles->mouseActionForScenePos( event->layoutPoint() );
if ( mouseAction != QgsLayoutMouseHandles::MoveItem
&& mouseAction != QgsLayoutMouseHandles::NoAction
&& mouseAction != QgsLayoutMouseHandles::SelectItem )
{
//mouse is over a resize handle, so propagate event onward
event->ignore();
return;
}
}
if ( event->button() != Qt::LeftButton )
{
event->ignore();
return;
}
QgsLayoutItem *selectedItem = nullptr;
QgsLayoutItem *previousSelectedItem = nullptr;
QList<QgsLayoutItem *> selectedItems = layout()->selectedLayoutItems();
if ( event->modifiers() & Qt::ControlModifier )
{
//CTRL modifier, so we are trying to select the next item below the current one
//first, find currently selected item
if ( !selectedItems.isEmpty() )
{
previousSelectedItem = selectedItems.at( 0 );
}
}
if ( previousSelectedItem )
{
//select highest item just below previously selected item at position of event
selectedItem = layout()->layoutItemAt( event->layoutPoint(), previousSelectedItem, true );
//if we didn't find a lower item we'll use the top-most as fall-back
//this duplicates mapinfo/illustrator/etc behavior where ctrl-clicks are "cyclic"
if ( !selectedItem )
{
selectedItem = layout()->layoutItemAt( event->layoutPoint(), true );
}
}
else
{
//select topmost item at position of event
selectedItem = layout()->layoutItemAt( event->layoutPoint(), true );
}
if ( !selectedItem )
{
//not clicking over an item, so start marquee selection
mIsSelecting = true;
mMousePressStartPos = event->pos();
mRubberBand->start( event->layoutPoint(), nullptr );
return;
}
if ( ( event->modifiers() & Qt::ShiftModifier ) && ( selectedItem->isSelected() ) )
{
//SHIFT-clicking a selected item deselects it
selectedItem->setSelected( false );
//Check if we have any remaining selected items, and if so, update the item panel
const QList<QgsLayoutItem *> selectedItems = layout()->selectedLayoutItems();
if ( !selectedItems.isEmpty() )
{
emit itemFocused( selectedItems.at( 0 ) );
}
else
{
emit itemFocused( nullptr );
}
}
else
{
if ( ( !selectedItem->isSelected() ) && //keep selection if an already selected item pressed
!( event->modifiers() & Qt::ShiftModifier ) ) //keep selection if shift key pressed
{
layout()->setSelectedItem( selectedItem ); // clears existing selection
}
else
{
selectedItem->setSelected( true );
}
event->ignore();
emit itemFocused( selectedItem );
}
}
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();
}