19#include "moc_qgslayoutmousehandles.cpp"
34#include <QGraphicsView>
35#include <QGraphicsSceneHoverEvent>
43 : QgsGraphicsViewMouseHandles( view )
47 setRotationEnabled(
true );
50 connect( mLayout, &QGraphicsScene::selectionChanged,
this, &QgsLayoutMouseHandles::selectionChanged );
52 mHorizontalSnapLine = mView->createSnapLine();
53 mHorizontalSnapLine->hide();
54 layout->addItem( mHorizontalSnapLine );
55 mVerticalSnapLine = mView->createSnapLine();
56 mVerticalSnapLine->hide();
57 layout->addItem( mVerticalSnapLine );
60void QgsLayoutMouseHandles::paint( QPainter *painter,
const QStyleOptionGraphicsItem *option, QWidget *widget )
62 paintInternal( painter, mLayout->renderContext().isPreviewRender(), mLayout->renderContext().boundingBoxesVisible(),
true, option, widget );
65void QgsLayoutMouseHandles::selectionChanged()
68 const QList<QGraphicsItem *> itemList = layout()->items();
69 for ( QGraphicsItem *graphicsItem : itemList )
75 if ( item->isSelected() )
95void QgsLayoutMouseHandles::setViewportCursor( Qt::CursorShape cursor )
100 if ( qobject_cast<QgsLayoutViewToolSelect *>( mView->tool() ) )
102 mView->viewport()->setCursor( cursor );
106QList<QGraphicsItem *> QgsLayoutMouseHandles::sceneItemsAtPoint( QPointF scenePoint )
108 QList<QGraphicsItem *> items;
111 const double searchTolerance = tool->searchToleranceInLayoutUnits();
112 const QRectF area( scenePoint.x() - searchTolerance, scenePoint.y() - searchTolerance, 2 * searchTolerance, 2 * searchTolerance );
113 items = mLayout->items( area );
117 items = mLayout->items( scenePoint );
119 items.erase( std::remove_if( items.begin(), items.end(), []( QGraphicsItem *item ) {
120 return !dynamic_cast<QgsLayoutItem *>( item );
127QList<QGraphicsItem *> QgsLayoutMouseHandles::selectedSceneItems(
bool includeLockedItems )
const
129 QList<QGraphicsItem *> res;
130 const QList<QgsLayoutItem *> layoutItems = mLayout->selectedLayoutItems( includeLockedItems );
131 res.reserve( layoutItems.size() );
137bool QgsLayoutMouseHandles::itemIsLocked( QGraphicsItem *item )
145bool QgsLayoutMouseHandles::itemIsGroupMember( QGraphicsItem *item )
148 return layoutItem->isGroupMember();
153QRectF QgsLayoutMouseHandles::itemRect( QGraphicsItem *item )
const
156 return layoutItem->rectWithFrame();
161QPointF QgsLayoutMouseHandles::snapPoint( QPointF originalPoint, QgsLayoutMouseHandles::SnapGuideMode mode,
bool snapHorizontal,
bool snapVertical )
163 bool snapped =
false;
165 const QList<QGraphicsItem *> selectedItems = selectedSceneItems();
166 QList<QGraphicsItem *> itemsToExclude;
167 expandItemList( selectedItems, itemsToExclude );
169 QList<QgsLayoutItem *> layoutItemsToExclude;
170 for ( QGraphicsItem *item : itemsToExclude )
171 layoutItemsToExclude << dynamic_cast<
QgsLayoutItem *>( item );
174 QPointF snappedPoint;
178 snappedPoint = mLayout->snapper().snapRect( rect().translated( originalPoint ), mView->transform().m11(), snapped, snapHorizontal ? mHorizontalSnapLine : nullptr, snapVertical ? mVerticalSnapLine : nullptr, &layoutItemsToExclude ).topLeft();
181 snappedPoint = mLayout->snapper().snapPoint( originalPoint, mView->transform().m11(), snapped, snapHorizontal ? mHorizontalSnapLine : nullptr, snapVertical ? mVerticalSnapLine : nullptr, &layoutItemsToExclude );
185 return snapped ? snappedPoint : originalPoint;
188void QgsLayoutMouseHandles::createItemCommand( QGraphicsItem *item )
190 mItemCommand.reset( qgis::down_cast<QgsLayoutItem *>( item )->createCommand( QString(), 0 ) );
191 mItemCommand->saveBeforeState();
194void QgsLayoutMouseHandles::endItemCommand( QGraphicsItem * )
196 mItemCommand->saveAfterState();
197 mLayout->undoStack()->push( mItemCommand.release() );
200void QgsLayoutMouseHandles::startMacroCommand(
const QString &text )
202 mLayout->undoStack()->beginMacro( text );
205void QgsLayoutMouseHandles::endMacroCommand()
207 mLayout->undoStack()->endMacro();
210void QgsLayoutMouseHandles::hideAlignItems()
212 mHorizontalSnapLine->hide();
213 mVerticalSnapLine->hide();
216void QgsLayoutMouseHandles::expandItemList(
const QList<QGraphicsItem *> &items, QList<QGraphicsItem *> &collected )
const
218 for ( QGraphicsItem *item : items )
223 const QList<QgsLayoutItem *> groupItems =
static_cast<QgsLayoutItemGroup *
>( item )->items();
224 expandItemList( groupItems, collected );
234void QgsLayoutMouseHandles::expandItemList(
const QList<QgsLayoutItem *> &items, QList<QGraphicsItem *> &collected )
const
236 for ( QGraphicsItem *item : items )
241 const QList<QgsLayoutItem *> groupItems =
static_cast<QgsLayoutItemGroup *
>( item )->items();
242 expandItemList( groupItems, collected );
251void QgsLayoutMouseHandles::moveItem( QGraphicsItem *item,
double deltaX,
double deltaY )
253 qgis::down_cast<QgsLayoutItem *>( item )->attemptMoveBy( deltaX, deltaY );
256void QgsLayoutMouseHandles::rotateItem( QGraphicsItem *item,
double deltaDegree,
double deltaCenterX,
double deltaCenterY )
258 QgsLayoutItem *itm = qgis::down_cast<QgsLayoutItem *>( item );
266void QgsLayoutMouseHandles::setItemRect( QGraphicsItem *item, QRectF rect )
272void QgsLayoutMouseHandles::showStatusMessage(
const QString &message )
277 mView->pushStatusMessage( message );
281void QgsLayoutMouseHandles::mouseDoubleClickEvent( QGraphicsSceneMouseEvent *event )
283 QgsGraphicsViewMouseHandles::mouseDoubleClickEvent( event );
285 QList<QGraphicsItem *> items = selectedSceneItems();
286 if ( items.isEmpty() )
290 if ( item ==
nullptr )
294 int itemtype = item->
type();
297 itemtype = multiFrame->type();
300 if ( metadataId == -1 )
static QgsLayoutItemGuiRegistry * layoutItemGuiRegistry()
Returns the global layout item GUI registry, used for registering the GUI behavior of layout items.
Base class for frame items, which form a layout multiframe item.
A container for grouping several QgsLayoutItems.
int metadataIdForItemType(int type) const
Returns the GUI item metadata ID which corresponds to the specified layout item type.
QgsLayoutItemAbstractGuiMetadata * itemMetadata(int metadataId) const
Returns the metadata for the specified item metadataId.
@ LayoutGroup
Grouped item.
Base class for graphical items within a QgsLayout.
double itemRotation() const
Returns the current rotation for the item, in degrees clockwise.
virtual void setItemRotation(double rotation, bool adjustPosition=true)
Sets the layout item's rotation, in degrees clockwise.
void rotationChanged(double newRotation)
Emitted on item rotation change.
bool isLocked() const
Returns true if the item is locked, and cannot be interacted with using the mouse.
ReferencePoint referencePoint() const
Returns the reference point for positioning of the layout item.
ReferencePoint
Fixed position reference point.
int type() const override
Returns a unique graphics item type identifier.
void sizePositionChanged()
Emitted when the item's size or position changes.
void lockChanged()
Emitted if the item's lock status changes.
void frameChanged()
Emitted if the item's frame style changes.
void attemptMoveBy(double deltaX, double deltaY)
Attempts to shift the item's position by a specified deltaX and deltaY, in layout units.
void setReferencePoint(ReferencePoint point)
Sets the reference point for positioning of the layout item.
void attemptSetSceneRect(const QRectF &rect, bool includesFrame=false)
Attempts to update the item's position and size to match the passed rect in layout coordinates.
Abstract base class for layout items with the ability to distribute the content to several frames (Qg...
A graphical widget to display and interact with QgsLayouts.
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.