bool SELECTION_TOOL::selectionContains( const VECTOR2I& aPoint ) const { const unsigned GRIP_MARGIN = 20; VECTOR2D margin = getView()->ToWorld( VECTOR2D( GRIP_MARGIN, GRIP_MARGIN ), false ); // Check if the point is located within any of the currently selected items bounding boxes for( unsigned int i = 0; i < m_selection.items.GetCount(); ++i ) { BOARD_ITEM* item = m_selection.Item<BOARD_ITEM>( i ); BOX2I itemBox = item->ViewBBox(); itemBox.Inflate( margin.x, margin.y ); // Give some margin for gripping an item if( itemBox.Contains( aPoint ) ) return true; } return false; }
bool SELECTION_TOOL::selectMultiple() { bool cancelled = false; // Was the tool cancelled while it was running? m_multiple = true; // Multiple selection mode is active KIGFX::VIEW* view = getView(); getViewControls()->SetAutoPan( true ); SELECTION_AREA area; view->Add( &area ); while( OPT_TOOL_EVENT evt = Wait() ) { if( evt->IsCancel() ) { cancelled = true; break; } if( evt->IsDrag( BUT_LEFT ) ) { if( !m_additive ) clearSelection(); // Start drawing a selection box area.SetOrigin( evt->DragOrigin() ); area.SetEnd( evt->Position() ); area.ViewSetVisible( true ); area.ViewUpdate( KIGFX::VIEW_ITEM::GEOMETRY ); } if( evt->IsMouseUp( BUT_LEFT ) ) { // End drawing the selection box area.ViewSetVisible( false ); // Mark items within the selection box as selected std::vector<KIGFX::VIEW::LAYER_ITEM_PAIR> selectedItems; BOX2I selectionBox = area.ViewBBox(); view->Query( selectionBox, selectedItems ); // Get the list of selected items std::vector<KIGFX::VIEW::LAYER_ITEM_PAIR>::iterator it, it_end; for( it = selectedItems.begin(), it_end = selectedItems.end(); it != it_end; ++it ) { BOARD_ITEM* item = static_cast<BOARD_ITEM*>( it->first ); // Add only those items that are visible and fully within the selection box if( !item->IsSelected() && selectable( item ) && selectionBox.Contains( item->ViewBBox() ) ) { select( item ); } } // Do not display information about selected item,as there is more than one m_frame->SetCurItem( NULL ); if( !m_selection.Empty() ) { // Inform other potentially interested tools m_toolMgr->ProcessEvent( SelectedEvent ); } break; // Stop waiting for events } } // Stop drawing the selection box area.ViewSetVisible( false ); view->Remove( &area ); m_multiple = false; // Multiple selection mode is inactive getViewControls()->SetAutoPan( false ); return cancelled; }