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Diffstat (limited to 'src/canvasmanipulator.cpp')
| -rw-r--r-- | src/canvasmanipulator.cpp | 1904 |
1 files changed, 1904 insertions, 0 deletions
diff --git a/src/canvasmanipulator.cpp b/src/canvasmanipulator.cpp new file mode 100644 index 0000000..7c3ed17 --- /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" |