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-rw-r--r--src/canvasmanipulator.cpp1904
1 files changed, 1904 insertions, 0 deletions
diff --git a/src/canvasmanipulator.cpp b/src/canvasmanipulator.cpp
new file mode 100644
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--- /dev/null
+++ b/src/canvasmanipulator.cpp
@@ -0,0 +1,1904 @@
+/***************************************************************************
+ * Copyright (C) 2004-2005 by David Saxton *
+ * david@bluehaze.org *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ ***************************************************************************/
+
+#include "cnitemgroup.h"
+#include "canvasitemparts.h"
+#include "dptext.h"
+#include "canvasmanipulator.h"
+#include "connector.h"
+#include "flowcontainer.h"
+#include "icndocument.h"
+#include "itemview.h"
+#include "mechanicsdocument.h"
+#include "mechanicsgroup.h"
+#include "mechanicsitem.h"
+#include "node.h"
+#include "nodegroup.h"
+#include "picitem.h"
+#include "resizeoverlay.h"
+
+#include <cmath>
+
+#include <kconfig.h>
+#include <kdebug.h>
+#include <kglobal.h>
+
+#include <qpainter.h>
+#include <qtimer.h>
+
+
+CMManager::CMManager( ItemDocument *itemDocument )
+ : QObject()
+{
+ b_allowItemScroll = true;
+ p_lastMouseOverResizeHandle = 0l;
+ m_canvasManipulator = 0l;
+ p_itemDocument = itemDocument;
+ m_cmState = 0;
+ p_lastMouseOverItem = 0l;
+ p_lastItemClicked = 0l;
+ m_drawAction = -1;
+ m_allowItemScrollTmr = new QTimer(this);
+ connect( m_allowItemScrollTmr, SIGNAL(timeout()), this, SLOT(slotAllowItemScroll()) );
+
+ KGlobal::config()->setGroup("General");
+ slotSetManualRoute( KGlobal::config()->readBoolEntry( "ManualRouting", false ) );
+}
+
+
+CMManager::~CMManager()
+{
+ delete m_allowItemScrollTmr;
+ m_allowItemScrollTmr = 0l;
+ delete m_canvasManipulator;
+ m_canvasManipulator = 0l;
+
+ const ManipulatorInfoList::iterator end = m_manipulatorInfoList.end();
+ for ( ManipulatorInfoList::iterator it = m_manipulatorInfoList.begin(); it != end; ++it )
+ {
+ delete *it;
+ }
+ m_manipulatorInfoList.clear();
+}
+
+
+void CMManager::addManipulatorInfo( ManipulatorInfo *eventInfo )
+{
+ if ( eventInfo && !m_manipulatorInfoList.contains(eventInfo) ) {
+ m_manipulatorInfoList.prepend(eventInfo);
+ }
+}
+
+
+void CMManager::cancelCurrentManipulation()
+{
+ delete m_canvasManipulator;
+ m_canvasManipulator = 0l;
+ setRepeatedAddId();
+}
+
+
+void CMManager::mousePressEvent( EventInfo eventInfo )
+{
+ if (m_canvasManipulator)
+ {
+ if (m_canvasManipulator->mousePressedRepeat(eventInfo))
+ {
+ delete m_canvasManipulator;
+ m_canvasManipulator = 0l;
+ }
+ return;
+ }
+
+ uint eventState=0;
+ if (eventInfo.isRightClick)
+ eventState |= CMManager::es_right_click;
+
+ if (eventInfo.ctrlPressed)
+ eventState |= CMManager::es_ctrl_pressed;
+
+ uint itemType=0;
+ uint cnItemType=0;
+
+
+ switch ( eventInfo.itemRtti )
+ {
+ case ItemDocument::RTTI::None: itemType = CMManager::it_none; break;
+ case ItemDocument::RTTI::Node: itemType = CMManager::it_node; break;
+ case ItemDocument::RTTI::Connector: itemType = CMManager::it_connector; break;
+ case ItemDocument::RTTI::Pin: itemType = CMManager::it_pin; break;
+ case ItemDocument::RTTI::ResizeHandle: itemType = CMManager::it_resize_handle; break;
+ case ItemDocument::RTTI::DrawPart:
+ {
+ itemType = CMManager::it_drawpart;
+ DrawPart *drawPartClickedOn = dynamic_cast<DrawPart*>(eventInfo.qcanvasItemClickedOn);
+
+ if ( drawPartClickedOn->mousePressEvent(eventInfo) )
+ {
+ p_lastItemClicked = drawPartClickedOn;
+ return;
+ }
+
+ if ( drawPartClickedOn->isMovable() )
+ cnItemType |= CMManager::isi_isMovable;
+ break;
+ }
+ case ItemDocument::RTTI::Widget:
+ {
+ Widget *widget = dynamic_cast<Widget*>(eventInfo.qcanvasItemClickedOn);
+ if (widget)
+ eventInfo.qcanvasItemClickedOn = widget->parent();
+ }
+ case ItemDocument::RTTI::CNItem:
+ {
+ itemType = CMManager::it_canvas_item;
+ CNItem *cnItemClickedOn = dynamic_cast<CNItem*>(eventInfo.qcanvasItemClickedOn);
+
+ if ( cnItemClickedOn->mousePressEvent(eventInfo) )
+ {
+ p_lastItemClicked = cnItemClickedOn;
+ return;
+ }
+
+ if ( cnItemClickedOn->isMovable() )
+ cnItemType |= CMManager::isi_isMovable;
+ break;
+ }
+ case ItemDocument::RTTI::MechanicsItem:
+ {
+ itemType = CMManager::it_mechanics_item;
+ MechanicsItem *p_mechanicsItemClickedOn = dynamic_cast<MechanicsItem*>(eventInfo.qcanvasItemClickedOn);
+
+ if ( p_mechanicsItemClickedOn->mousePressEvent(eventInfo) )
+ {
+ p_lastItemClicked = p_mechanicsItemClickedOn;
+ return;
+ }
+ break;
+ }
+ }
+
+// uint highestScore=0;
+// ManipulatorInfo *best=0l;
+ const ManipulatorInfoList::iterator end = m_manipulatorInfoList.end();
+ for ( ManipulatorInfoList::iterator it = m_manipulatorInfoList.begin(); it != end && !m_canvasManipulator; ++it )
+ {
+ if ( (*it)->m_acceptManipulationPtr( eventState, m_cmState, itemType, cnItemType ) )
+ {
+ m_canvasManipulator = (*it)->m_createManipulatorPtr( p_itemDocument, this );
+ }
+ }
+ if (m_canvasManipulator)
+ {
+ if (m_canvasManipulator->mousePressedInitial(eventInfo))
+ {
+ delete m_canvasManipulator;
+ m_canvasManipulator = 0l;
+ }
+ }
+}
+
+
+void CMManager::mouseDoubleClickEvent( const EventInfo &eventInfo )
+{
+ Item *item = dynamic_cast<Item*>(eventInfo.qcanvasItemClickedOn);
+ if (item)
+ {
+ item->mouseDoubleClickEvent(eventInfo);
+ return;
+ }
+ Widget *widget = dynamic_cast<Widget*>(eventInfo.qcanvasItemClickedOn);
+ if (widget)
+ {
+ widget->parent()->mouseDoubleClickEvent(eventInfo);
+ return;
+ }
+}
+
+
+void CMManager::mouseMoveEvent( const EventInfo &eventInfo )
+{
+ if (m_canvasManipulator)
+ {
+ if (m_canvasManipulator->mouseMoved(eventInfo))
+ {
+ kdDebug() << k_funcinfo << "About to delete" << endl;
+ delete m_canvasManipulator;
+ kdDebug() << k_funcinfo << "Deleted" << endl;
+ m_canvasManipulator = 0l;
+ kdDebug() << k_funcinfo << "Nullified" << endl;
+ }
+ ItemView *itemView = dynamic_cast<ItemView*>(p_itemDocument->activeView());
+ if (itemView)
+ itemView->scrollToMouse(eventInfo.pos);
+ return;
+ }
+
+ //BEGIN
+ QCanvasItem *qcnItem = p_itemDocument->itemAtTop(eventInfo.pos);
+ Item *item;
+ Widget *widget = dynamic_cast<Widget*>(qcnItem);
+ if (widget)
+ item = widget->parent();
+ else
+ item = dynamic_cast<Item*>(qcnItem);
+
+ if ( p_lastMouseOverItem != (QGuardedPtr<Item>)item )
+ {
+ QEvent event(QEvent::Leave);
+
+ if (p_lastMouseOverItem)
+ p_lastMouseOverItem->leaveEvent();
+
+ if (item)
+ item->enterEvent();
+
+ p_lastMouseOverItem = item;
+ }
+
+ // If we clicked on an item, then continue to pass mouse events to that item until we release the mouse...
+ if (p_lastItemClicked)
+ {
+ p_lastItemClicked->mouseMoveEvent(eventInfo);
+ }
+ else if (item)
+ {
+ item->mouseMoveEvent(eventInfo);
+ }
+ //END
+
+ updateCurrentResizeHandle( dynamic_cast<ResizeHandle*>(qcnItem) );
+}
+
+
+void CMManager::updateCurrentResizeHandle( ResizeHandle * resizeHandle )
+{
+ if ( p_lastMouseOverResizeHandle != (QGuardedPtr<ResizeHandle>)resizeHandle )
+ {
+ if (p_lastMouseOverResizeHandle)
+ p_lastMouseOverResizeHandle->setHover(false);
+ p_lastMouseOverResizeHandle = resizeHandle;
+ if (resizeHandle)
+ resizeHandle->setHover(true);
+ }
+}
+
+
+void CMManager::mouseReleaseEvent( const EventInfo &eventInfo )
+{
+ // If it returns true, then it has finished its editing operation
+ if ( m_canvasManipulator && m_canvasManipulator->mouseReleased(eventInfo) )
+ {
+ delete m_canvasManipulator;
+ m_canvasManipulator = 0l;
+ }
+
+ if (p_lastItemClicked)
+ {
+ p_lastItemClicked->mouseReleaseEvent(eventInfo);
+ p_lastItemClicked=0l;
+ }
+
+ updateCurrentResizeHandle( dynamic_cast<ResizeHandle*>( p_itemDocument->itemAtTop(eventInfo.pos) ) );
+}
+
+
+void CMManager::wheelEvent( const EventInfo &eventInfo )
+{
+ bool accepted = false;
+ if (b_allowItemScroll)
+ {
+ QCanvasItem *qcnItem = p_itemDocument->itemAtTop(eventInfo.pos);
+ Item *item;
+ Widget *widget = dynamic_cast<Widget*>(qcnItem);
+ if (widget)
+ item = widget->parent();
+ else
+ item = dynamic_cast<Item*>(qcnItem);
+
+ if (item)
+ accepted = item->wheelEvent(eventInfo);
+ }
+ if (!accepted)
+ {
+ // Only allow scrolling of items if we have not just been scrolling the canvas
+ b_allowItemScroll = false;
+ m_allowItemScrollTmr->stop();
+ m_allowItemScrollTmr->start(500,true);
+
+ ItemView *itemView = dynamic_cast<ItemView*>(p_itemDocument->activeView());
+ if (itemView)
+ {
+ itemView->cvbEditor()->setPassEventsToView(false);
+ itemView->cvbEditor()->contentsWheelEvent( eventInfo.wheelEvent( 0, 0 ) );
+ itemView->cvbEditor()->setPassEventsToView(true);
+ }
+ }
+}
+
+
+void CMManager::setDrawAction( int drawAction )
+{
+ if ( m_drawAction == drawAction )
+ return;
+
+ m_drawAction = drawAction;
+ setCMState( cms_draw, (m_drawAction != -1) );
+}
+
+
+void CMManager::slotSetManualRoute( bool manualRoute )
+{
+ KGlobal::config()->setGroup("General");
+ KGlobal::config()->writeEntry( "ManualRouting", manualRoute );
+
+ setCMState( cms_manual_route, manualRoute );
+}
+
+
+void CMManager::setCMState( CMState type, bool state )
+{
+ // Set or clear the correct bit
+ state ? (m_cmState|=type) : (m_cmState&=(~type));
+
+ if ( type == CMManager::cms_manual_route )
+ emit manualRoutingChanged(state);
+}
+
+
+void CMManager::setRepeatedAddId( const QString & repeatedId )
+{
+ m_repeatedItemId = repeatedId;
+}
+
+
+
+
+CanvasManipulator::CanvasManipulator( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ p_itemDocument = itemDocument;
+ p_icnDocument = dynamic_cast<ICNDocument*>(itemDocument);
+ p_mechanicsDocument = dynamic_cast<MechanicsDocument*>(itemDocument);
+ p_canvas = p_itemDocument->canvas();
+// b_connectorsAllowedRouting = true;
+ p_selectList = p_itemDocument->selectList();
+ p_cnItemSelectList = dynamic_cast<CNItemGroup*>(p_selectList);
+ p_mechItemSelectList = dynamic_cast<MechanicsGroup*>(p_selectList);
+ p_cnItemClickedOn = 0l;
+ p_cmManager = cmManager;
+}
+
+
+CanvasManipulator::~CanvasManipulator()
+{
+}
+
+
+
+
+CMRepeatedItemAdd::CMRepeatedItemAdd( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+}
+CMRepeatedItemAdd::~CMRepeatedItemAdd()
+{
+}
+CanvasManipulator* CMRepeatedItemAdd::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMRepeatedItemAdd(itemDocument,cmManager);
+}
+ManipulatorInfo *CMRepeatedItemAdd::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+ eventInfo->m_acceptManipulationPtr = CMRepeatedItemAdd::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMRepeatedItemAdd::construct;
+ return eventInfo;
+}
+bool CMRepeatedItemAdd::acceptManipulation( uint /*eventState*/, uint cmState, uint /*itemType*/, uint /*cnItemType*/ )
+{
+ return (cmState & CMManager::cms_repeated_add);
+}
+
+bool CMRepeatedItemAdd::mousePressedRepeat( const EventInfo &eventInfo )
+{
+ return mousePressedInitial(eventInfo);
+}
+bool CMRepeatedItemAdd::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+ if (eventInfo.isRightClick)
+ {
+ p_cmManager->setCMState( CMManager::cms_repeated_add, false );
+ return true;
+ }
+
+ p_icnDocument->addItem( p_cmManager->repeatedItemId(), eventInfo.pos, true );
+ p_itemDocument->requestStateSave();
+ return false;
+}
+
+
+bool CMRepeatedItemAdd::mouseMoved( const EventInfo &/*eventInfo*/ )
+{
+ return false;
+}
+
+
+bool CMRepeatedItemAdd::mouseReleased( const EventInfo &/*eventInfo*/ )
+{
+ return false;
+}
+
+
+
+
+CMRightClick::CMRightClick( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+}
+CMRightClick::~CMRightClick()
+{
+}
+CanvasManipulator* CMRightClick::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMRightClick(itemDocument,cmManager);
+}
+ManipulatorInfo *CMRightClick::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+// eventInfo->m_eventState.m_activate = CMManager::es_right_click;
+ eventInfo->m_acceptManipulationPtr = CMRightClick::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMRightClick::construct;
+ return eventInfo;
+}
+bool CMRightClick::acceptManipulation( uint eventState, uint /*cmState*/, uint /*itemType*/, uint /*cnItemType*/ )
+{
+ return eventState & CMManager::es_right_click;
+}
+
+
+bool CMRightClick::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+ p_itemDocument->canvasRightClick( eventInfo.globalPos, eventInfo.qcanvasItemClickedOn );
+ return true;
+}
+
+
+bool CMRightClick::mouseMoved( const EventInfo &/*eventInfo*/ )
+{
+ return true;
+}
+
+
+bool CMRightClick::mouseReleased( const EventInfo &/*eventInfo*/ )
+{
+ return true;
+}
+
+
+
+//BEGIN class ConnectorDraw
+ConnectorDraw::ConnectorDraw( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+ p_startNode = 0l;
+ p_startConnector = 0l;
+ p_endNode = 0l;
+ p_endConnector = 0l;
+}
+
+
+ConnectorDraw::~ConnectorDraw()
+{
+}
+
+
+QColor ConnectorDraw::validConnectionColor()
+{
+ return QColor( 255, 166, 0 );
+}
+
+
+static double qpoint_distance( const QPoint & p1, const QPoint & p2 )
+{
+ double dx = p1.x() - p2.x();
+ double dy = p1.y() - p2.y();
+
+ return std::sqrt( dx*dx + dy*dy );
+}
+
+
+QPoint ConnectorDraw::toValidPos( const QPoint & clickPos, Connector * clickedConnector ) const
+{
+ if ( !clickedConnector )
+ return clickPos;
+
+ const QPointList pointList = clickedConnector->connectorPoints();
+
+ QPointList::const_iterator end = pointList.end();
+
+ double dl[] = { 0.5, 8.5, 11.5, 18.0, 23.0 }; // various distances rounded up of (0,0) cells, (0,1), etc
+ for ( unsigned i = 0; i < 5; ++i )
+ {
+ for ( QPointList::const_iterator it = pointList.begin(); it != end; ++it )
+ {
+ if ( qpoint_distance( *it, clickPos ) <= dl[i] )
+ return *it;
+ }
+ }
+
+ return clickPos;
+}
+
+
+Connector * ConnectorDraw::toConnector( Node * node )
+{
+ if ( !node || node->numCon( true, false ) < 3 )
+ return 0l;
+
+ const ConnectorList inList = node->inputConnectorList();
+ if ( !inList.isEmpty() )
+ return *inList.begin();
+
+ const ConnectorList outList = node->outputConnectorList();
+ if ( !outList.isEmpty() )
+ return *outList.begin();
+
+ return 0l;
+}
+
+
+void ConnectorDraw::grabEndStuff( QCanvasItem * endItem, const QPoint & pos, bool posIsExact )
+{
+ if (!endItem)
+ return;
+
+ CNItem * cnItem = dynamic_cast<CNItem*>(endItem);
+ if ( cnItem && !posIsExact )
+ p_endNode = cnItem->getClosestNode(pos);
+ else
+ p_endNode = dynamic_cast<Node*>(endItem);
+
+ if ( p_endNode && p_endNode->numCon( true, false ) > 2 )
+ {
+ p_endConnector = toConnector(p_endNode);
+ p_endNode = 0l;
+ }
+
+ // If the endItem is a node, we have to finish exactly on the end when posIsExact is true
+ if ( posIsExact && p_endNode && (p_endNode->x() != pos.x() || p_endNode->y() != pos.y()) )
+ p_endNode = 0l;
+
+ if (!p_endConnector)
+ p_endConnector = dynamic_cast<Connector*>(endItem);
+}
+//END class ConnectorDraw
+
+
+
+//BEGIN class CMAutoConnector
+CMAutoConnector::CMAutoConnector( ItemDocument *itemDocument, CMManager *cmManager )
+ : ConnectorDraw( itemDocument, cmManager )
+{
+ m_connectorLine = 0l;
+ p_startNode = 0l;
+ p_startConnector = 0l;
+}
+CMAutoConnector::~CMAutoConnector()
+{
+ delete m_connectorLine;
+ m_connectorLine = 0l;
+}
+CanvasManipulator* CMAutoConnector::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMAutoConnector(itemDocument,cmManager);
+}
+ManipulatorInfo *CMAutoConnector::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+ eventInfo->m_acceptManipulationPtr = CMAutoConnector::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMAutoConnector::construct;
+ return eventInfo;
+}
+bool CMAutoConnector::acceptManipulation( uint /*eventState*/, uint cmState, uint itemType, uint /*cnItemType*/ )
+{
+ return (itemType & (CMManager::it_node | CMManager::it_connector)) && !(cmState & CMManager::cms_manual_route);
+}
+
+bool CMAutoConnector::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+
+ p_startNode = dynamic_cast<Node*>(eventInfo.qcanvasItemClickedOn);
+
+ if (p_startNode)
+ {
+ m_eventInfo.pos = m_prevPos = p_icnDocument->gridSnap( QPoint( (int)p_startNode->x(), (int)p_startNode->y() ) );
+ if (p_startNode->numCon( true, false ) > 2)
+ {
+ p_startConnector = toConnector(p_startNode);
+ p_startNode = 0l;
+ }
+ }
+ else if (p_startConnector = dynamic_cast<Connector*>(eventInfo.qcanvasItemClickedOn) )
+ {
+// startConnectorPoint = m_eventInfo.pos = m_prevPos = p_icnDocument->gridSnap(m_eventInfo.pos);
+ startConnectorPoint = m_eventInfo.pos = m_prevPos = toValidPos( m_eventInfo.pos, p_startConnector );
+ }
+
+ else
+ return true;
+
+ p_icnDocument->unselectAll();
+
+ delete m_connectorLine;
+ m_connectorLine = new QCanvasLine(p_canvas);
+ m_connectorLine->setPen( QColor(0,0,0) );
+ m_connectorLine->setZ( ItemDocument::Z::ConnectorCreateLine );
+ m_connectorLine->show();
+ return false;
+}
+
+
+bool CMAutoConnector::mouseMoved( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ int newX = p_icnDocument->gridSnap( pos.x() );
+ int newY = p_icnDocument->gridSnap( pos.y() );
+
+ bool movedFlag = false;
+
+ if ( newX != m_prevPos.x() )
+ {
+ m_prevPos.setX(newX);
+ movedFlag = true;
+ }
+
+ if ( newY != m_prevPos.y() )
+ {
+ m_prevPos.setY(newY);
+ movedFlag = true;
+ }
+
+ m_connectorLine->setPoints( m_eventInfo.pos.x(), m_eventInfo.pos.y(), newX, newY );
+
+ if (movedFlag)
+ {
+ QCanvasItem *startItem = 0l;
+ if (p_startNode)
+ startItem = p_startNode;
+ else if (p_startConnector)
+ startItem = p_startConnector;
+
+ QCanvasItem *endItem = p_icnDocument->itemAtTop( QPoint( newX, newY ) );
+ if ( endItem && endItem->rtti() == ItemDocument::RTTI::CNItem )
+ endItem = (static_cast<CNItem*>(endItem))->getClosestNode( QPoint( newX, newY ) );
+
+ bool validLine = p_icnDocument->canConnect( startItem, endItem );
+ m_connectorLine->setPen( validLine ? validConnectionColor() : Qt::black );
+ }
+ return false;
+}
+
+
+bool CMAutoConnector::mouseReleased( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ QPoint end = m_connectorLine->endPoint();
+ delete m_connectorLine;
+ m_connectorLine = 0l;
+
+ QCanvasItem *qcanvasItem = p_icnDocument->itemAtTop(end);
+ if ( !qcanvasItem )
+ return true;
+
+ grabEndStuff( qcanvasItem, pos, false );
+
+ if (p_startConnector)
+ {
+ if (p_endConnector)
+ {
+ if ( !p_icnDocument->createConnector( p_endConnector, p_startConnector, p_icnDocument->gridSnap(pos), startConnectorPoint ) )
+ return true;
+ }
+ else if (p_endNode)
+ {
+ if ( !p_icnDocument->createConnector( p_endNode, p_startConnector, startConnectorPoint ) )
+ return true;
+ }
+ else
+ return true;
+ }
+ else if (p_startNode)
+ {
+ if (p_endConnector)
+ {
+ if ( !p_icnDocument->createConnector( p_startNode, p_endConnector, p_icnDocument->gridSnap(pos) ) )
+ return true;
+ }
+ else if (p_endNode)
+ {
+ if ( !p_icnDocument->createConnector( p_startNode, p_endNode ) )
+ return true;
+ }
+ else
+ return true;
+ }
+ else
+ return true;
+
+ p_itemDocument->requestStateSave();
+ return true;
+}
+//END class CMAutoConnector
+
+
+
+//BEGIN class CMManualConnector
+CMManualConnector::CMManualConnector( ItemDocument *itemDocument, CMManager *cmManager )
+ : ConnectorDraw( itemDocument, cmManager )
+{
+ m_manualConnectorDraw = 0l;
+}
+CMManualConnector::~CMManualConnector()
+{
+ delete m_manualConnectorDraw;
+ m_manualConnectorDraw = 0l;
+}
+CanvasManipulator* CMManualConnector::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMManualConnector(itemDocument,cmManager);
+}
+ManipulatorInfo *CMManualConnector::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+ eventInfo->m_acceptManipulationPtr = CMManualConnector::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMManualConnector::construct;
+ return eventInfo;
+}
+bool CMManualConnector::acceptManipulation( uint /*eventState*/, uint cmState, uint itemType, uint /*cnItemType*/ )
+{
+ return (itemType & (CMManager::it_node | CMManager::it_connector)) && (cmState & CMManager::cms_manual_route);
+}
+
+
+bool CMManualConnector::mousePressedInitial( const EventInfo &eventInfo )
+{
+ if ( eventInfo.isRightClick ) {
+ return true;
+ }
+
+ m_eventInfo = eventInfo;
+
+ p_icnDocument->unselectAll();
+
+ QPoint sp;
+
+ if ( eventInfo.itemRtti == ItemDocument::RTTI::Node )
+ {
+ p_startNode = static_cast<Node*>(eventInfo.qcanvasItemClickedOn);
+ sp.setX( (int)p_startNode->x() );
+ sp.setY( (int)p_startNode->y() );
+ if ( p_startNode->numCon( true, false ) > 2 )
+ {
+ p_startConnector = toConnector(p_startNode);
+ p_startNode = 0l;
+ }
+ }
+ else
+ {
+ p_startConnector = dynamic_cast<Connector*>(eventInfo.qcanvasItemClickedOn);
+ sp = toValidPos( eventInfo.pos, p_startConnector );
+ }
+ startConnectorPoint = sp;
+
+ if (m_manualConnectorDraw)
+ delete m_manualConnectorDraw;
+ m_manualConnectorDraw = new ManualConnectorDraw( p_icnDocument, sp );
+ return false;
+}
+
+
+bool CMManualConnector::mousePressedRepeat( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+ if ( eventInfo.isRightClick ) {
+ return true;
+ }
+ m_manualConnectorDraw->mouseClicked( p_icnDocument->gridSnap(m_eventInfo.pos) );
+ return false;
+}
+
+
+bool CMManualConnector::mouseMoved( const EventInfo &eventInfo )
+{
+ if ( !m_manualConnectorDraw )
+ return true;
+
+ const QPoint pos = eventInfo.pos;
+
+ int newX = p_icnDocument->gridSnap( pos.x() );
+ int newY = p_icnDocument->gridSnap( pos.y() );
+
+ bool movedFlag = false;
+
+ if ( newX != m_prevPos.x() )
+ {
+ m_prevPos.setX(newX);
+ movedFlag = true;
+ }
+
+ if ( newY != m_prevPos.y() )
+ {
+ m_prevPos.setY(newY);
+ movedFlag = true;
+ }
+
+ if ( movedFlag )
+ {
+ QCanvasItem *startItem = 0l;
+ if (p_startNode)
+ startItem = p_startNode;
+ else if (p_startConnector)
+ startItem = p_startConnector;
+
+ QCanvasItem * endItem = p_icnDocument->itemAtTop( QPoint( newX, newY ) );
+
+ // If the endItem is a node, we have to finish exactly on the end.
+ if ( Node * node = dynamic_cast<Node*>(endItem) )
+ {
+ if ( node->x() != newX || node->y() != newY )
+ endItem = 0l;
+ }
+
+ bool validLine = p_icnDocument->canConnect( startItem, endItem );
+
+ m_manualConnectorDraw->setColor( validLine ? validConnectionColor() : Qt::black );
+ m_manualConnectorDraw->mouseMoved( QPoint( newX, newY ) );
+ }
+
+ return false;
+}
+
+
+bool CMManualConnector::mouseReleased( const EventInfo &eventInfo )
+{
+ if (!m_manualConnectorDraw) {
+ return true;
+ }
+
+ QPoint pos = p_icnDocument->gridSnap(eventInfo.pos);
+
+ grabEndStuff( m_manualConnectorDraw->mouseClicked(pos), pos, true );
+
+ if ( !p_endNode && !p_endConnector )
+ return false;
+
+ // Create the points that define the manual route
+ QPointList list = m_manualConnectorDraw->pointList();
+ delete m_manualConnectorDraw;
+ m_manualConnectorDraw = 0l;
+
+ if (p_startConnector)
+ {
+ if (p_endConnector)
+ {
+ if ( !p_icnDocument->createConnector( p_endConnector, p_startConnector, p_icnDocument->gridSnap(pos), startConnectorPoint, &list ) )
+ return true;
+ }
+ else // if (p_endNode)
+ {
+ if ( !p_icnDocument->createConnector( p_endNode, p_startConnector, startConnectorPoint, &list ) )
+ return true;
+ }
+ }
+ else if (p_startNode)
+ {
+ if (p_endConnector)
+ {
+ if ( !p_icnDocument->createConnector( p_startNode, p_endConnector, p_icnDocument->gridSnap(pos), &list ) )
+ return true;
+ }
+ else // if (p_endNode)
+ {
+ if ( !p_icnDocument->createConnector( p_startNode, p_endNode, &list ) )
+ return true;
+ }
+ }
+ else
+ return true;
+
+ p_itemDocument->requestStateSave();
+ return true;
+}
+//END class CMManualConnector
+
+
+
+
+CMItemMove::CMItemMove( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+ p_flowContainerCandidate = 0l;
+}
+CMItemMove::~CMItemMove()
+{
+}
+CanvasManipulator* CMItemMove::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMItemMove(itemDocument,cmManager);
+}
+ManipulatorInfo *CMItemMove::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+ eventInfo->m_acceptManipulationPtr = CMItemMove::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMItemMove::construct;
+ return eventInfo;
+}
+bool CMItemMove::acceptManipulation( uint eventState, uint /*cmState*/, uint itemType, uint cnItemType )
+{
+ return ((itemType & CMManager::it_canvas_item) || (itemType & CMManager::it_drawpart)) && (cnItemType & CMManager::isi_isMovable) && !(eventState & CMManager::es_right_click);
+}
+
+
+bool CMItemMove::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+ m_prevPos = eventInfo.pos;
+
+ Item *item = dynamic_cast<Item*>(eventInfo.qcanvasItemClickedOn);
+ if (!item)
+ return true;
+
+
+ if ( !p_selectList->contains(item) )
+ {
+ if (!eventInfo.ctrlPressed)
+ p_itemDocument->unselectAll();
+
+ p_itemDocument->select(item);
+ }
+ else if (m_eventInfo.ctrlPressed)
+ p_itemDocument->unselect(item);
+
+ if ( p_selectList->isEmpty() )
+ return true;
+
+ // We want to allow dragging into FlowContainers if this is a FlowView
+ p_flowContainerCandidate = 0l;
+ {
+ const ItemList &itemList = p_icnDocument->itemList();
+ const ItemList::const_iterator ciEnd = itemList.end();
+ for ( ItemList::const_iterator it = itemList.begin(); it != ciEnd; ++it )
+ {
+ if ( FlowContainer *flowContainer = dynamic_cast<FlowContainer*>((Item*)*it) )
+ flowContainer->setFullBounds(true);
+ }
+ }
+
+ ItemList itemList = p_cnItemSelectList->items(false);
+ itemList.remove((Item*)0l);
+
+ const ItemList::iterator itemListEnd = itemList.end();
+ for ( ItemList::iterator it = itemList.begin(); it != itemListEnd; ++it )
+ {
+ CNItem *cnItem = dynamic_cast<CNItem*>((Item*)*it);
+ if ( !cnItem || !cnItem->canvas() )
+ continue;
+
+ cnItem->setInitialPos(m_eventInfo.pos);
+ }
+
+ ConnectorList fixedConnectors;
+ p_icnDocument->getTranslatable( itemList, &fixedConnectors, &m_translatableConnectors, &m_translatableNodeGroups );
+
+ const ConnectorList::iterator fixedConnectorsEnd = fixedConnectors.end();
+ for ( ConnectorList::iterator it = fixedConnectors.begin(); it != fixedConnectorsEnd; ++it )
+ (*it)->setSemiHidden(true);
+
+ p_flowContainerCandidate = p_icnDocument->flowContainer(eventInfo.pos);
+
+ return false;
+}
+
+
+bool CMItemMove::mouseMoved( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ int x = pos.x();
+ int y = pos.y();
+
+
+ const ItemList itemList = p_cnItemSelectList->items();
+ const ItemList::const_iterator end = itemList.end();
+ int dx=0, dy=0;
+ for ( ItemList::const_iterator it = itemList.begin(); it != end; ++it )
+ {
+ if ( !*it || !(*it)->isMovable() )
+ continue;
+
+ const QRect oldRect = (*it)->boundingRect();
+ (*it)->setChanged();
+
+ if ( CNItem *cnItem = dynamic_cast<CNItem*>((Item*)*it) )
+ {
+ dx = -int((*it)->x());
+ dy = -int((*it)->y());
+ cnItem->snap( x, y );
+ dx += int((*it)->x());
+ dy += int((*it)->y());
+ }
+ else
+ (*it)->moveBy( eventInfo.pos.x()-m_prevPos.x(), eventInfo.pos.y()-m_prevPos.y() );
+
+ QRect newRect = (*it)->boundingRect();
+ QRect merged = oldRect | newRect;
+ }
+
+ if ( (dx != 0) || (dy != 0) )
+ {
+ const ConnectorList::iterator frEnd = m_translatableConnectors.end();
+ for ( ConnectorList::iterator it = m_translatableConnectors.begin(); it != frEnd; ++it )
+ (*it)->translateRoute( dx, dy );
+
+ const NodeGroupList::iterator end = m_translatableNodeGroups.end();
+ for ( NodeGroupList::iterator it = m_translatableNodeGroups.begin(); it != end; ++it )
+ (*it)->translate( dx, dy );
+ }
+
+ FlowContainer *fc = p_icnDocument->flowContainer(pos);
+ if ( fc != p_flowContainerCandidate )
+ {
+ if ( p_flowContainerCandidate )
+ {
+ p_flowContainerCandidate->setSelected(false);
+ p_flowContainerCandidate = 0l;
+ }
+ }
+ if (fc)
+ {
+ p_flowContainerCandidate = fc;
+ p_flowContainerCandidate->setSelected(true);
+ }
+
+ p_itemDocument->requestEvent( ItemDocument::ItemDocumentEvent::ResizeCanvasToItems );
+ p_canvas->update();
+ m_prevPos = eventInfo.pos;
+ return false;
+}
+
+
+bool CMItemMove::mouseReleased( const EventInfo &eventInfo )
+{
+ QStringList itemIDs;
+
+ const ItemList itemList = p_cnItemSelectList->items();
+ const ItemList::const_iterator ilEnd = itemList.end();
+ for ( ItemList::const_iterator it = itemList.begin(); it != ilEnd; ++it )
+ {
+ if (*it)
+ itemIDs.append( (*it)->id() );
+ }
+
+ const QPoint pos = eventInfo.pos;
+
+ // And make sure all connectors are properly shown
+ const ConnectorList &connectorList = p_icnDocument->connectorList();
+ const ConnectorList::const_iterator conEnd = connectorList.end();
+ for ( ConnectorList::const_iterator it = connectorList.begin(); it != conEnd; ++it )
+ {
+ (*it)->setSemiHidden(false);
+ }
+
+ if (p_flowContainerCandidate)
+ {
+ for ( ItemList::const_iterator it = itemList.begin(); it != ilEnd; ++it )
+ p_flowContainerCandidate->addChild(*it);
+
+ p_flowContainerCandidate->setSelected(false);
+ p_flowContainerCandidate = 0l;
+ }
+ else
+ {
+ for ( ItemList::const_iterator it = itemList.begin(); it != ilEnd; ++it )
+ (*it)->setParentItem(0l);
+ }
+
+ // And disable the FlowContainers again...
+ const ItemList &cnItemList = p_icnDocument->itemList();
+ const ItemList::const_iterator end = cnItemList.end();
+ for ( ItemList::const_iterator it = cnItemList.begin(); it != end; ++it )
+ {
+ if ( FlowContainer *flowContainer = dynamic_cast<FlowContainer*>((Item*)*it) )
+ flowContainer->setFullBounds(false);
+ }
+
+ if (p_icnDocument)
+ p_icnDocument->requestRerouteInvalidatedConnectors();
+
+ if ( m_eventInfo.pos != eventInfo.pos )
+ p_itemDocument->requestStateSave();
+
+ p_itemDocument->requestEvent( ItemDocument::ItemDocumentEvent::ResizeCanvasToItems );
+
+ return true;
+}
+
+
+
+
+
+CMItemResize::CMItemResize( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+}
+CMItemResize::~CMItemResize()
+{
+}
+CanvasManipulator* CMItemResize::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMItemResize(itemDocument,cmManager);
+}
+ManipulatorInfo *CMItemResize::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+// eventInfo->m_itemType.m_activate = CMManager::it_canvas_item;
+ eventInfo->m_acceptManipulationPtr = CMItemResize::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMItemResize::construct;
+ return eventInfo;
+}
+bool CMItemResize::acceptManipulation( uint eventState, uint /*cmState*/, uint itemType, uint /*cnItemType*/ )
+{
+ return (itemType & CMManager::it_resize_handle) && !(eventState & CMManager::es_right_click);
+}
+
+
+
+bool CMItemResize::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+ p_resizeHandle = dynamic_cast<ResizeHandle*>(eventInfo.qcanvasItemClickedOn);
+ m_rh_dx = p_resizeHandle->x()-eventInfo.pos.x();
+ m_rh_dy = p_resizeHandle->y()-eventInfo.pos.y();
+ return false;
+}
+
+
+bool CMItemResize::mouseMoved( const EventInfo &eventInfo )
+{
+ int _x = int(m_rh_dx + eventInfo.pos.x());
+ int _y = int(m_rh_dy + eventInfo.pos.y());
+
+ // Shift pressed == snap to grid
+ if ( eventInfo.shiftPressed )
+ {
+ _x = int(_x/8)*8+4;
+ _y = int(_y/8)*8+4;
+ }
+
+ p_resizeHandle->moveRH( _x, _y );
+ return false;
+}
+
+
+bool CMItemResize::mouseReleased( const EventInfo &/*eventInfo*/ )
+{
+ if (p_icnDocument)
+ p_icnDocument->requestRerouteInvalidatedConnectors();
+ p_itemDocument->requestStateSave();
+ return true;
+}
+
+
+
+
+
+
+
+CMMechItemMove::CMMechItemMove( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+}
+CMMechItemMove::~CMMechItemMove()
+{
+}
+CanvasManipulator* CMMechItemMove::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMMechItemMove(itemDocument,cmManager);
+}
+ManipulatorInfo *CMMechItemMove::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+// eventInfo->m_itemType.m_activate = CMManager::it_canvas_item;
+ eventInfo->m_acceptManipulationPtr = CMMechItemMove::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMMechItemMove::construct;
+ return eventInfo;
+}
+bool CMMechItemMove::acceptManipulation( uint eventState, uint /*cmState*/, uint itemType, uint /*cnItemType*/ )
+{
+ return ((itemType & CMManager::it_mechanics_item) || (itemType & CMManager::it_drawpart)) && !(eventState & CMManager::es_right_click);
+}
+
+
+bool CMMechItemMove::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+ m_prevPos = eventInfo.pos;
+
+ Item *item = dynamic_cast<Item*>(eventInfo.qcanvasItemClickedOn);
+ if (!item)
+ return true;
+
+ MechanicsItem *mechItem = dynamic_cast<MechanicsItem*>(eventInfo.qcanvasItemClickedOn);
+
+ if (mechItem)
+ m_prevClickedOnSM = mechItem->selectionMode();
+
+ if (eventInfo.shiftPressed)
+ {
+ p_mechanicsDocument->unselectAll();
+ p_mechanicsDocument->select(item);
+ if (mechItem)
+ {
+ mechItem->setSelectionMode(MechanicsItem::sm_move);
+ mechItem->setParentItem(0l);
+ }
+ }
+ else if ( !p_selectList->contains(mechItem) )
+ {
+ if (!eventInfo.ctrlPressed)
+ p_mechanicsDocument->unselectAll();
+
+ p_mechanicsDocument->select(item);
+
+ if (mechItem)
+ mechItem->setSelectionMode(MechanicsItem::sm_move);
+ }
+ else
+ {
+ if (mechItem)
+ mechItem->setSelectionMode(MechanicsItem::sm_move);
+
+ if (m_eventInfo.ctrlPressed)
+ p_mechanicsDocument->unselect(item);
+ }
+
+ if ( p_selectList->isEmpty() )
+ return true;
+
+ p_mechItemSelectList->setSelectionMode( MechanicsItem::sm_move );
+ p_mechItemSelectList->setRaised(true);
+ return false;
+}
+
+
+bool CMMechItemMove::mouseMoved( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ int x = pos.x();
+ int y = pos.y();
+
+ const MechItemList itemList = p_mechItemSelectList->toplevelMechItemList();
+ const MechItemList::const_iterator ilEnd = itemList.end();
+ for ( MechItemList::const_iterator it = itemList.begin(); it != ilEnd; ++it )
+ {
+ if (*it)
+ (*it)->moveBy( x - m_prevPos.x(), y - m_prevPos.y() );
+ }
+
+ m_prevPos = QPoint( x, y );
+
+ p_canvas->update();
+ p_itemDocument->requestEvent( ItemDocument::ItemDocumentEvent::ResizeCanvasToItems );
+ return false;
+}
+
+
+bool CMMechItemMove::mouseReleased( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ int dx = pos.x() - m_eventInfo.pos.x();
+ int dy = pos.y() - m_eventInfo.pos.y();
+
+ p_mechItemSelectList->setRaised(false);
+
+ MechanicsItem *mechItem = dynamic_cast<MechanicsItem*>(m_eventInfo.qcanvasItemClickedOn);
+ if ( dx == 0 && dy == 0 )
+ {
+ if ( mechItem && mechItem->isSelected() )
+ {
+ if ( m_prevClickedOnSM == MechanicsItem::sm_resize )
+ mechItem->setSelectionMode( MechanicsItem::sm_rotate );
+ else
+ mechItem->setSelectionMode( MechanicsItem::sm_resize );
+ }
+ p_itemDocument->requestStateSave();
+ return true;
+ }
+
+ if ( mechItem && mechItem->isSelected() )
+ {
+ if ( m_prevClickedOnSM == MechanicsItem::sm_rotate )
+ mechItem->setSelectionMode(MechanicsItem::sm_rotate);
+ else
+ mechItem->setSelectionMode(MechanicsItem::sm_resize);
+ }
+
+ QStringList itemIDs;
+
+ ItemList itemList = p_mechItemSelectList->items();
+ const ItemList::iterator ilEnd = itemList.end();
+ for ( ItemList::iterator it = itemList.begin(); it != ilEnd; ++it )
+ {
+ if (*it) {
+ itemIDs.append( (*it)->id() );
+ }
+ }
+
+ p_mechItemSelectList->setSelectionMode( MechanicsItem::sm_resize );
+ p_itemDocument->requestStateSave();
+ p_itemDocument->requestEvent( ItemDocument::ItemDocumentEvent::ResizeCanvasToItems );
+ return true;
+}
+
+
+
+//BEGIN class SelectRectangle
+SelectRectangle::SelectRectangle( int x, int y, int w, int h, QCanvas *qcanvas )
+ : m_x(x), m_y(y)
+{
+ m_topLine = new QCanvasLine(qcanvas);
+ m_rightLine = new QCanvasLine(qcanvas);
+ m_bottomLine = new QCanvasLine(qcanvas);
+ m_leftLine = new QCanvasLine(qcanvas);
+ setSize( w, h );
+
+ QCanvasLine* lines[] = { m_topLine, m_rightLine, m_bottomLine, m_leftLine };
+ for ( int i=0; i<4; ++ i)
+ {
+ lines[i]->setPen( QPen( QColor(190,190,190), 1, Qt::DotLine ) );
+ lines[i]->setZ( ICNDocument::Z::Select );
+ lines[i]->show();
+ }
+}
+
+
+SelectRectangle::~SelectRectangle()
+{
+ delete m_topLine;
+ delete m_rightLine;
+ delete m_bottomLine;
+ delete m_leftLine;
+}
+
+
+void SelectRectangle::setSize( int w, int h )
+{
+ m_topLine->setPoints( m_x, m_y, m_x+w, m_y );
+ m_rightLine->setPoints( m_x+w, m_y, m_x+w, m_y+h );
+ m_bottomLine->setPoints( m_x+w, m_y+h, m_x, m_y+h );
+ m_leftLine->setPoints( m_x, m_y+h, m_x, m_y );
+ m_w = w;
+ m_h = h;
+}
+
+
+QCanvasItemList SelectRectangle::collisions()
+{
+ QCanvas *canvas = m_topLine->canvas();
+
+ return canvas->collisions( QRect( m_x, m_y, m_w, m_h ) );
+}
+//END class SelectRectangle
+
+
+//BEGIN class CMSelect
+CMSelect::CMSelect( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+ m_selectRectangle = 0l;
+}
+CMSelect::~CMSelect()
+{
+ delete m_selectRectangle;
+ m_selectRectangle = 0l;
+}
+CanvasManipulator* CMSelect::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMSelect(itemDocument,cmManager);
+}
+ManipulatorInfo *CMSelect::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+// eventInfo->m_itemType.m_activate = CMManager::it_none;
+ eventInfo->m_acceptManipulationPtr = CMSelect::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMSelect::construct;
+ return eventInfo;
+}
+bool CMSelect::acceptManipulation( uint /*eventState*/, uint /*cmState*/, uint itemType, uint /*cnItemType*/ )
+{
+ return (itemType & CMManager::it_none);
+}
+
+
+bool CMSelect::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+
+ if (!eventInfo.ctrlPressed) {
+ p_itemDocument->unselectAll();
+ }
+
+ m_selectRectangle = new SelectRectangle( eventInfo.pos.x(), eventInfo.pos.y(), 0, 0, p_canvas );
+ return false;
+}
+
+
+bool CMSelect::mouseMoved( const EventInfo &eventInfo )
+{
+ QPoint pos = eventInfo.pos;
+
+ m_selectRectangle->setSize( pos.x()-m_eventInfo.pos.x(), pos.y()-m_eventInfo.pos.y() );
+
+ if (m_eventInfo.ctrlPressed) {
+ p_itemDocument->select( m_selectRectangle->collisions() );
+ } else if (p_selectList) {
+ p_selectList->setItems( m_selectRectangle->collisions() );
+ }
+
+ if (p_selectList && !p_mechanicsDocument) {
+ p_selectList->setSelected(true);
+ }
+ return false;
+}
+
+
+bool CMSelect::mouseReleased( const EventInfo &/*eventInfo*/ )
+{
+ delete m_selectRectangle;
+ m_selectRectangle = 0l;
+
+ return true;
+}
+//END class CMSelect
+
+
+
+
+CMItemDrag::CMItemDrag( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+ b_dragged = false;
+}
+CMItemDrag::~CMItemDrag()
+{
+}
+CanvasManipulator* CMItemDrag::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMItemDrag(itemDocument,cmManager);
+}
+ManipulatorInfo *CMItemDrag::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+// eventInfo->m_itemType.m_activate = CMManager::it_canvas_item;
+ eventInfo->m_acceptManipulationPtr = CMItemDrag::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMItemDrag::construct;
+ return eventInfo;
+}
+bool CMItemDrag::acceptManipulation( uint /*eventState*/, uint /*cmState*/, uint itemType, uint cnItemType )
+{
+ return (itemType & (CMManager::it_canvas_item|CMManager::it_pin)) && !(cnItemType & CMManager::isi_isMovable);
+}
+
+
+bool CMItemDrag::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+ b_dragged = false;
+ return false;
+}
+
+
+bool CMItemDrag::mouseMoved( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ if ( b_dragged ||
+ pos.x() > (m_eventInfo.pos.x()+4 ) ||
+ pos.x() < (m_eventInfo.pos.x()-4) ||
+ pos.y() > (m_eventInfo.pos.y()+4) ||
+ pos.y() < (m_eventInfo.pos.y()-4) )
+ {
+
+ b_dragged = true;
+
+ if ( m_eventInfo.itemRtti == ItemDocument::RTTI::Pin )
+ ((PinItem*)m_eventInfo.qcanvasItemClickedOn)->dragged( pos.x() - m_eventInfo.pos.x() );
+ }
+ return false;
+}
+
+
+bool CMItemDrag::mouseReleased( const EventInfo &/*eventInfo*/ )
+{
+ if ( !b_dragged && m_eventInfo.itemRtti == ItemDocument::RTTI::Pin )
+ (static_cast<PinItem*>(m_eventInfo.qcanvasItemClickedOn))->switchState();
+
+ p_itemDocument->requestStateSave();
+ return true;
+}
+
+
+//BEGIN class CanvasEllipseDraw
+CanvasEllipseDraw::CanvasEllipseDraw( int x, int y, QCanvas * canvas )
+ : QCanvasEllipse( 0, 0, canvas )
+{
+ move( x, y );
+}
+
+
+void CanvasEllipseDraw::drawShape( QPainter & p )
+{
+ p.drawEllipse( int(x()-width()/2), int(y()-height()/2), width(), height() );
+}
+//END class CanvasEllipseDraw
+
+
+
+//BEGIN class CMDraw
+CMDraw::CMDraw( ItemDocument *itemDocument, CMManager *cmManager )
+ : CanvasManipulator( itemDocument, cmManager )
+{
+ m_pDrawLine = 0l;
+ m_pDrawRectangle = 0l;
+ m_pDrawEllipse = 0l;
+}
+CMDraw::~CMDraw()
+{
+ p_cmManager->setDrawAction(-1);
+}
+CanvasManipulator* CMDraw::construct( ItemDocument *itemDocument, CMManager *cmManager )
+{
+ return new CMDraw(itemDocument,cmManager);
+}
+ManipulatorInfo *CMDraw::manipulatorInfo()
+{
+ ManipulatorInfo *eventInfo = new ManipulatorInfo();
+ eventInfo->m_acceptManipulationPtr = CMDraw::acceptManipulation;
+ eventInfo->m_createManipulatorPtr = CMDraw::construct;
+ return eventInfo;
+}
+bool CMDraw::acceptManipulation( uint /*eventState*/, uint cmState, uint /*itemType*/, uint /*cnItemType*/ )
+{
+ return (cmState & CMManager::cms_draw);
+}
+
+
+bool CMDraw::mousePressedInitial( const EventInfo &eventInfo )
+{
+ m_eventInfo = eventInfo;
+
+ switch ( (DrawPart::DrawAction) p_cmManager->drawAction() )
+ {
+ case DrawPart::da_text:
+ case DrawPart::da_rectangle:
+ {
+ m_pDrawRectangle = new QCanvasRectangle( eventInfo.pos.x(), eventInfo.pos.y(), 0, 0, p_canvas );
+ m_pDrawRectangle->setPen( QPen( QColor(0,0,0), 1 ) );
+ m_pDrawRectangle->setZ( ICNDocument::Z::Select );
+ m_pDrawRectangle->show();
+ break;
+ }
+ case DrawPart::da_ellipse:
+ {
+ m_pDrawEllipse = new CanvasEllipseDraw( eventInfo.pos.x(), eventInfo.pos.y(), p_canvas );
+ m_pDrawEllipse->setPen( QPen( QColor(0,0,0), 1 ) );
+ m_pDrawEllipse->setZ( ICNDocument::Z::Select );
+ m_pDrawEllipse->show();
+ break;
+ }
+ case DrawPart::da_line:
+ case DrawPart::da_arrow:
+ {
+ m_pDrawLine = new QCanvasLine(p_canvas);
+ m_pDrawLine->setPoints( eventInfo.pos.x(), eventInfo.pos.y(), eventInfo.pos.x(), eventInfo.pos.y() );
+ m_pDrawLine->setPen( QPen( QColor(0,0,0), 1 ) );
+ m_pDrawLine->setZ( ICNDocument::Z::Select );
+ m_pDrawLine->show();
+ break;
+ }
+ default:
+ return true;
+ }
+
+ return false;
+}
+
+
+bool CMDraw::mouseMoved( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ if (m_pDrawRectangle)
+ m_pDrawRectangle->setSize( pos.x()-m_eventInfo.pos.x(), pos.y()-m_eventInfo.pos.y() );
+
+ else if (m_pDrawEllipse)
+ {
+// QRect r( m_eventInfo.pos.x(), m_eventInfo.pos.y(), pos.x()-m_eventInfo.pos.x(), pos.y()-m_eventInfo.pos.y() );
+// r = r.normalize();
+//
+// m_pDrawEllipse->setSize( r.width(), r.height() );
+// m_pDrawEllipse->move( r.left()+(r.width()/2), r.top()+(r.height()/2) );
+
+ m_pDrawEllipse->setSize( 2*QABS(pos.x()-m_eventInfo.pos.x()), 2*QABS(pos.y()-m_eventInfo.pos.y()) );
+ }
+
+ else if (m_pDrawLine)
+ m_pDrawLine->setPoints( eventInfo.pos.x(), eventInfo.pos.y(), m_pDrawLine->endPoint().x(), m_pDrawLine->endPoint().y() );
+
+ else
+ return true;
+
+ return false;
+}
+
+
+bool CMDraw::mouseReleased( const EventInfo &eventInfo )
+{
+ const QPoint pos = eventInfo.pos;
+
+ QRect sizeRect;
+
+ if ( m_pDrawRectangle || m_pDrawEllipse )
+ {
+ if (m_pDrawRectangle)
+ {
+ sizeRect = m_pDrawRectangle->rect();
+
+ // We have to manually adjust the size rect so that it matches up with what the user has drawn
+
+ sizeRect.setWidth( sizeRect.width()+1 );
+ sizeRect.setHeight( sizeRect.height()+1 );
+
+ sizeRect = sizeRect.normalize();
+
+ if ( m_pDrawRectangle->rect().width() < 0 )
+ sizeRect.moveLeft( sizeRect.left() + 1);
+
+ if ( m_pDrawRectangle->rect().height() < 0 )
+ sizeRect.moveTop( sizeRect.top() + 1);
+ }
+ else
+ {
+ int w = m_pDrawEllipse->width()+1;
+ int h = m_pDrawEllipse->height()+1;
+ int x = int(m_pDrawEllipse->x()-w/2);
+ int y = int(m_pDrawEllipse->y()-h/2);
+ sizeRect = QRect( x, y, w, h ).normalize();
+ }
+
+ delete m_pDrawRectangle;
+ delete m_pDrawEllipse;
+ m_pDrawRectangle = 0l;
+ m_pDrawEllipse = 0l;
+ }
+ else if (m_pDrawLine)
+ {
+ int sx = m_pDrawLine->startPoint().x();
+ int sy = m_pDrawLine->startPoint().y();
+ int ex = m_pDrawLine->endPoint().x();
+ int ey = m_pDrawLine->endPoint().y();
+
+ sizeRect = QRect( ex, ey, sx-ex, sy-ey );
+
+ delete m_pDrawLine;
+ m_pDrawLine = 0l;
+ }
+ else
+ return true;
+
+ QString id;
+ switch ( (DrawPart::DrawAction) p_cmManager->drawAction() )
+ {
+ case DrawPart::da_rectangle:
+ id = "dp/rectangle";
+ break;
+
+ case DrawPart::da_ellipse:
+ id = "dp/ellipse";
+ break;
+
+ case DrawPart::da_text:
+ id = "dp/canvas_text";
+
+ if ( sizeRect.width() < 56 )
+ sizeRect.setWidth( 56 );
+
+ if ( sizeRect.height() < 24 )
+ sizeRect.setHeight( 24 );
+
+ break;
+
+ case DrawPart::da_line:
+ id = "dp/line";
+ break;
+
+ case DrawPart::da_arrow:
+ id = "dp/arrow";
+ break;
+ }
+ if ( id.isEmpty() )
+ return true;
+
+ Item * item = p_itemDocument->addItem( id, sizeRect.topLeft(), true );
+ if (!item)
+ return true;
+ item->move( sizeRect.x(), sizeRect.y() ); // We call this again as p_itemDocument->addItem will move the item if it is slightly off the canvas.
+
+ item->setSize( 0, 0, sizeRect.width(), sizeRect.height() );
+
+ p_itemDocument->requestStateSave();
+ return true;
+}
+//END class CMDraw
+
+
+
+//BEGIN class ManualConnectorDraw
+ManualConnectorDraw::ManualConnectorDraw( ICNDocument *_icnDocument, const QPoint &initialPos )
+{
+ m_color = Qt::black;
+
+ icnDocument = _icnDocument;
+ m_currentPos = m_previousPos = m_initialPos = initialPos;
+ p_initialItem = icnDocument->itemAtTop(initialPos);
+
+ b_currentVertical = false;
+ b_orientationDefined = false;
+
+ m_connectorLines.append( m_previousCon = new QCanvasLine( icnDocument->canvas() ) );
+ m_connectorLines.append( m_currentCon = new QCanvasLine( icnDocument->canvas() ) );
+
+ m_currentCon->setPoints( initialPos.x(), initialPos.y(), initialPos.x(), initialPos.y() );
+ m_previousCon->setPoints( initialPos.x(), initialPos.y(), initialPos.x(), initialPos.y() );
+
+ m_currentCon->setPen( m_color );
+ m_previousCon->setPen( m_color );
+
+ updateConnectorEnds();
+
+ m_currentCon->show();
+ m_previousCon->show();
+}
+
+
+ManualConnectorDraw::~ManualConnectorDraw()
+{
+ const QValueList<QCanvasLine*>::iterator end = m_connectorLines.end();
+ for ( QValueList<QCanvasLine*>::iterator it = m_connectorLines.begin(); it != end; ++it )
+ delete *it;
+
+ m_connectorLines.clear();
+}
+
+
+void ManualConnectorDraw::setColor( const QColor & color )
+{
+ m_color = color;
+
+ const QValueList<QCanvasLine*>::iterator end = m_connectorLines.end();
+ for ( QValueList<QCanvasLine*>::iterator it = m_connectorLines.begin(); it != end; ++it )
+ (*it)->setPen( m_color );
+}
+
+
+void ManualConnectorDraw::mouseMoved( const QPoint &pos )
+{
+ if ( m_currentPos == pos ) return;
+
+ if (!b_orientationDefined)
+ {
+ QPoint previousStart = m_previousCon->startPoint();
+
+ double distance = std::sqrt( std::pow( (double)(m_currentPos.x()-previousStart.x()), 2. ) +
+ std::pow( (double)(m_currentPos.y()-previousStart.y()), 2. ) );
+
+ if ( distance < 24 )
+ {
+ b_currentVertical = ( std::abs( double(m_currentPos.x()-previousStart.x()) ) >= std::abs( double(m_currentPos.y()-previousStart.y()) ) );
+ }
+
+ }
+
+ m_previousPos = m_currentPos;
+ m_currentPos = pos;
+ updateConnectorEnds();
+}
+
+
+QCanvasItem* ManualConnectorDraw::mouseClicked( const QPoint &pos )
+{
+ if (b_orientationDefined)
+ b_currentVertical = !b_currentVertical;
+
+ else
+ mouseMoved(pos);
+
+ b_orientationDefined = true;
+
+ m_currentPos = pos;
+
+ QCanvasItem * qcanvasItem = icnDocument->itemAtTop(pos);
+
+ if ( qcanvasItem && pos != m_initialPos && qcanvasItem != p_initialItem )
+ return qcanvasItem;
+
+ m_previousCon = m_currentCon;
+
+ m_connectorLines.append( m_currentCon = new QCanvasLine( icnDocument->canvas() ) );
+ m_currentCon->setPoints( pos.x(), pos.y(), pos.x(), pos.y() );
+ m_currentCon->setPen( m_color );
+ updateConnectorEnds();
+ m_currentCon->show();
+
+ return 0L;
+}
+
+
+void ManualConnectorDraw::updateConnectorEnds()
+{
+ QPoint pivot = m_currentPos;
+ QPoint previousStart = m_previousCon->startPoint();
+
+ if (b_currentVertical)
+ {
+ pivot.setY( previousStart.y() );
+ m_currentCon->setPoints( pivot.x(), pivot.y(), pivot.x(), m_currentPos.y() );
+ }
+ else
+ {
+ pivot.setX( previousStart.x() );
+ m_currentCon->setPoints( pivot.x(), pivot.y(), m_currentPos.x(), pivot.y() );
+ }
+
+ m_previousCon->setPoints( previousStart.x(), previousStart.y(), pivot.x(), pivot.y() );
+}
+
+
+QPointList ManualConnectorDraw::pointList()
+{
+ QPointList list;
+ list.append(m_initialPos);
+
+ const QValueList<QCanvasLine*>::iterator end = m_connectorLines.end();
+ for ( QValueList<QCanvasLine*>::iterator it = m_connectorLines.begin(); it != end; ++it )
+ {
+ list.append( (*it)->endPoint() );
+ }
+
+ return list;
+}
+//END class ManualConnectorDraw
+
+
+//BEGIN class ManipulatorInfo
+ManipulatorInfo::ManipulatorInfo()
+{
+}
+//END class ManipulatorInfo
+
+
+#include "canvasmanipulator.moc"