-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
-//
-// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
-//
-
-// SALOME QxGraph : build Supervisor viewer into desktop
-//
-#include "QxGraph_CanvasView.h"
-#include "QxGraph_Canvas.h"
-#include "QxGraph_ViewWindow.h"
-#include "QxGraph_ActiveItem.h"
-#include "QxGraph_Def.h"
-
-#include <qwmatrix.h>
-#include <math.h>
-
-const char* imageZoomCursor[] = {
-"32 32 3 1",
-". c None",
-"a c #000000",
-"# c #ffffff",
-"................................",
-"................................",
-".#######........................",
-"..aaaaaaa.......................",
-"................................",
-".............#####..............",
-"...........##.aaaa##............",
-"..........#.aa.....a#...........",
-".........#.a.........#..........",
-".........#a..........#a.........",
-"........#.a...........#.........",
-"........#a............#a........",
-"........#a............#a........",
-"........#a............#a........",
-"........#a............#a........",
-".........#...........#.a........",
-".........#a..........#a.........",
-".........##.........#.a.........",
-"........#####.....##.a..........",
-".......###aaa#####.aa...........",
-"......###aa...aaaaa.......#.....",
-".....###aa................#a....",
-"....###aa.................#a....",
-"...###aa...............#######..",
-"....#aa.................aa#aaaa.",
-".....a....................#a....",
-"..........................#a....",
-"...........................a....",
-"................................",
-"................................",
-"................................",
-"................................"};
-
-const char* imageCrossCursor[] = {
- "32 32 3 1",
- ". c None",
- "a c #000000",
- "# c #ffffff",
- "................................",
- "................................",
- "................................",
- "................................",
- "................................",
- "................................",
- "................................",
- "...............#................",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- ".......#################........",
- "........aaaaaaa#aaaaaaaaa.......",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "...............#a...............",
- "................a...............",
- "................................",
- "................................",
- "................................",
- "................................",
- "................................",
- "................................",
- "................................"};
-
-/*!
- Constructor
-*/
-QxGraph_CanvasView::QxGraph_CanvasView(QxGraph_Canvas* theCanvas, QxGraph_ViewWindow* theViewWindow) :
- QCanvasView(theCanvas, theViewWindow, 0, Qt::WRepaintNoErase),
- myCurrentItem(0),
- myHilightedItem(0),
- mySelectedItem(0),
- myMovingDone(false),
- myCenter(0,0)
-{
- printf("Construct QxGraph_CanvasView\n");
- setName("QxGraph_CanvasView");
-
- myOperation = NOTHING;
- myCursor = cursor();
- mySelectedRect = 0;
-
- myTimer = new QTimer(this);
- connect(myTimer, SIGNAL(timeout()), this, SLOT(onTimeout()));
-
- viewport()->setMouseTracking(true);
-}
-
-/*!
- Destructor
-*/
-QxGraph_CanvasView::~QxGraph_CanvasView()
-{
-}
-
-void QxGraph_CanvasView::contentsMousePressEvent(QMouseEvent* theEvent)
-{
- myPoint = inverseWorldMatrix().map(theEvent->pos());
- myGlobalPoint = theEvent->globalPos();
- myCurrentItem = 0;
-
- if ( theEvent->button() == Qt::MidButton && theEvent->state() == Qt::ControlButton
- ||
- myOperation == PANVIEW )
- { // Panning
- if ( myOperation != PANVIEW ) {
- myOperation = PANVIEW;
- myCursor = cursor(); // save old cursor
- QCursor panCursor (Qt::SizeAllCursor);
- setCursor(panCursor);
- }
- return;
- }
-
- if ( myOperation == PANGLOBAL )
- { // Global panning
- return;
- }
-
- if ( myOperation == WINDOWFIT )
- { // Fit area
- return;
- }
-
- if ( theEvent->button() == Qt::LeftButton && theEvent->state() == Qt::ControlButton
- ||
- myOperation == ZOOMVIEW )
- { // Zoom
- if ( myOperation != ZOOMVIEW ) {
- myOperation = ZOOMVIEW;
- myCursor = cursor(); // save old cursor
- QPixmap zoomPixmap (imageZoomCursor);
- QCursor zoomCursor (zoomPixmap);
- setCursor(zoomCursor);
-
- // the center of the view before zooming
- int aXVCenter = viewport()->width()/2;
- int aYVCenter = viewport()->height()/2;
- myCenter = viewportToContents(QPoint(aXVCenter,aYVCenter));
- }
- return;
- }
-
- if ( theEvent->button() == Qt::LeftButton )
- {
- QCanvasItemList aList = canvas()->collisions(myPoint);
- // to move items on canvas view
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- int aCursorType;
- if ( anActItem && anActItem->isResizable(myPoint,aCursorType) )
- { // resize itself only active items if it is resizable
- anActItem->beforeResizing(aCursorType);
- myCurrentItem = *it;
- return;
- }
- else if ( anActItem && anActItem->isMoveable() )
- { // move itself only active items if it is moveable
- anActItem->beforeMoving();
- myCurrentItem = *it;
- return;
- }
- }
- }
-}
-
-void QxGraph_CanvasView::contentsMouseMoveEvent(QMouseEvent* theEvent)
-{
- QPoint aPoint = inverseWorldMatrix().map(theEvent->pos());
- QPoint aGlobalPoint = theEvent->globalPos();
-
- if (myTimer->isActive()) myTimer->stop();
-
- if ( myOperation == PANVIEW )
- { // Panning
- scrollBy(myGlobalPoint.x() - aGlobalPoint.x(),
- myGlobalPoint.y() - aGlobalPoint.y());
- myGlobalPoint = aGlobalPoint;
- myMovingDone = true;
- return;
- }
-
- if ( myOperation == WINDOWFIT )
- { // Fit within rectangle
- int aLX, aTY; //left x and top y
- if (myPoint.x() < aPoint.x()) aLX = myPoint.x();
- else aLX = aPoint.x();
- if (myPoint.y() < aPoint.y()) aTY = myPoint.y();
- else aTY = aPoint.y();
- QRect aRect(aLX, aTY, abs(myPoint.x()-aPoint.x()), abs(myPoint.y()-aPoint.y()));
- QCanvasRectangle* aRect1 = new QCanvasRectangle(aRect, canvas());
-
- //hide old selected rectangle
- if (mySelectedRect)
- mySelectedRect->hide();
- //draw new selected rectangle
- QPen pen(Qt::black,1,Qt::SolidLine);
- aRect1->setPen(pen);
- aRect1->setZ(1E+6);
- aRect1->show();
-
- mySelectedRect = aRect1;
- canvas()->update();
-
- return;
- }
-
- if ( myOperation == ZOOMVIEW )
- { // Zoom
- QCanvasItemList aList = canvas()->allItems();
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it)
- (*it)->hide();
-
- int aXContCenter = myCenter.x();
- int aYContCenter = myCenter.y();
-
- QWMatrix m = worldMatrix();
-
- double dx = aGlobalPoint.x() - myGlobalPoint.x();
- double s = 1. + fabs(dx)*( (m.m11() < 1) ? m.m11() : 1. )/70.;
- if (dx < 0) s = 1./s;
-
- int aXContCenterScaled = aXContCenter*s;
- int aYContCenterScaled = aYContCenter*s;
-
- m.scale(s, s);
- setWorldMatrix(m);
-
- center(aXContCenterScaled,aYContCenterScaled);
-
- myCenter.setX(aXContCenterScaled);
- myCenter.setY(aYContCenterScaled);
-
- // remember the canvas view's current transformation matrix in all canvas items
- aList = canvas()->allItems();
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- if ( anActItem ) anActItem->setTMatrix(m);
- (*it)->show();
- }
-
- myGlobalPoint = aGlobalPoint;
- myMovingDone = true;
-
- return;
- }
-
- if ( myCurrentItem )
- {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( myCurrentItem );
- if ( anActItem && anActItem->isResizing() )
- { // to resize items on canvas view
- anActItem->resize(aPoint);
- myMovingDone = true;
- return;
- }
-
- // to move items on canvas view
- if ( myCurrentItem->x() && myCurrentItem->y() ) {
- double cx = myCurrentItem->x() - myPoint.x();
- double cy = myCurrentItem->y() - myPoint.y();
-
- if (aPoint.x()+cx < 0) aPoint.setX(-(int)cx);
- if (aPoint.y()+cy < 0) aPoint.setY(-(int)cy);
- }
- myCurrentItem->moveBy(aPoint.x() - myPoint.x(),
- aPoint.y() - myPoint.y());
- myMovingDone = true;
- myPoint = aPoint;
- canvas()->update();
-
- // scroll contents if mouse is outside
- QRect r(contentsX(), contentsY(), visibleWidth(), visibleHeight());
- if (!r.contains(theEvent->pos())) {
- int dx = 0, dy = 0;
- if (theEvent->pos().x() < r.left()) dx = theEvent->pos().x() - r.left();
- if (theEvent->pos().x() > r.right()) dx = theEvent->pos().x() - r.right();
- if (theEvent->pos().y() < r.top()) dy = theEvent->pos().y() - r.top();
- if (theEvent->pos().y() > r.bottom()) dy = theEvent->pos().y() - r.bottom();
- scrollBy(dx, dy);
- // start timer to scroll in silent mode
- myDX = dx; myDY = dy;
- myTimer->start(100);
- }
-
- return;
- }
- else
- {
- QCanvasItemList aList = canvas()->collisions(aPoint);
- // perform actions for active items
- bool isHilightPerformed = false;
-
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
-
- if (!isHilightPerformed && anActItem) {
- // hilight
- anActItem->hilight(aPoint);
- if (anActItem != myHilightedItem) {
- if (myHilightedItem)
- myHilightedItem->hilight(aPoint, false);
- myHilightedItem = anActItem;
- }
- isHilightPerformed = true;
-
- // show tooltip
- QxGraph_ToolTip* aToolTip = new QxGraph_ToolTip(this);
- aToolTip->maybeTip(aPoint);
- }
-
- int aCursorType;
- if ( anActItem && anActItem->isResizable(aPoint,aCursorType) ) {
- // set resize cursor
- QCursor resizeCursor;
- switch (aCursorType)
- {
- case 1: //left
- case 3: //right
- resizeCursor = QCursor(Qt::SizeHorCursor);
- break;
- case 2: //top
- case 4: //bottom
- resizeCursor = QCursor(Qt::SizeVerCursor);
- break;
- case 5: //left-top
- case 7: //right-bottom
- resizeCursor = QCursor(Qt::SizeFDiagCursor);
- break;
- case 6: //right-top
- case 8: //left-bottom
- resizeCursor = QCursor(Qt::SizeBDiagCursor);
- break;
- default :
- resizeCursor = QCursor(Qt::ArrowCursor);
- break;
- }
- setCursor(resizeCursor);
- return;
- }
- else {
- // reset old cursor
- setCursor(QCursor(Qt::ArrowCursor));
- return;
- }
- }
-
- if (!isHilightPerformed && myHilightedItem) {
- myHilightedItem->hilight(aPoint, false);
- myHilightedItem = 0;
- QToolTip::hide(); //@ temporary solution
- }
-
- if ( cursor().shape() == Qt::SizeVerCursor || cursor().shape() == Qt::SizeHorCursor
- || cursor().shape() == Qt::SizeBDiagCursor || cursor().shape() == Qt::SizeFDiagCursor)
- setCursor(QCursor(Qt::ArrowCursor));
- }
-}
-
-/*!
- This method is called by QxGraph_Canvas when item is removed.
- QxGraph_CanvasView updates its own data accordingly
-*/
-void QxGraph_CanvasView::itemRemoved( QCanvasItem* theItem )
-{
- if ( myCurrentItem == theItem )
- myCurrentItem = 0;
-
- QxGraph_ActiveItem* anActiveItem = dynamic_cast<QxGraph_ActiveItem*>( theItem );
- if ( anActiveItem )
- {
- if ( myHilightedItem == anActiveItem )
- myHilightedItem = 0;
- if ( mySelectedItem == anActiveItem )
- mySelectedItem = 0;
- }
-}
-
-void QxGraph_CanvasView::setSelectedItem( QxGraph_ActiveItem* theItem )
-{
- mySelectedItem = theItem;
-}
-
-QxGraph_ActiveItem* QxGraph_CanvasView::getSelectedItem() const
-{
- return mySelectedItem;
-}
-
-void QxGraph_CanvasView::contentsMouseReleaseEvent(QMouseEvent* theEvent)
-{
- QPoint aPoint = inverseWorldMatrix().map(theEvent->pos());
-
- if (myTimer->isActive()) myTimer->stop();
-
- if (myCurrentItem)
- { // to move items on canvas view
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( myCurrentItem );
- if ( anActItem && anActItem->isResizing() )
- {
- anActItem->afterResizing();
- // reset old cursor
- setCursor(QCursor(Qt::ArrowCursor));
- }
- else if ( anActItem && anActItem->isMoveable() )
- anActItem->afterMoving();
- }
- myCurrentItem = 0;
-
- if ( myOperation == PANVIEW )
- { // Panning
- myOperation = NOTHING;
- viewport()->setMouseTracking(true);
- setCursor(myCursor);
-
- emit viewOperationDone();
- }
-
- if ( myOperation == PANGLOBAL )
- { // Global panning
- myOperation = NOTHING;
- center( theEvent->x(), theEvent->y() );
- setCursor(myCursor);
-
- emit viewOperationDone();
- }
-
- if ( myOperation == WINDOWFIT )
- { // Fit within rectangle
- myOperation = NOTHING;
-
- if (mySelectedRect) {
- mySelectedRect->hide();
- mySelectedRect = 0;
- //canvas()->update();
- }
-
- //myPoint is the start point for selecting rectangle now
- int aLX, aTY; //left x and top y
- if (myPoint.x() < aPoint.x()) aLX = myPoint.x();
- else aLX = aPoint.x();
- if (myPoint.y() < aPoint.y()) aTY = myPoint.y();
- else aTY = aPoint.y();
-
- //calculate width and height for new view and new zoom factor
- double aXzoom = ((double)visibleWidth())/((double)(abs(myPoint.x()-aPoint.x())));
- double aYzoom = ((double)visibleHeight())/((double)(abs(myPoint.y()-aPoint.y())));
- if (aXzoom > aYzoom) aXzoom = aYzoom;
-
- QWMatrix m;
- m.scale(aXzoom, aXzoom);
- setWorldMatrix(m);
-
- // remember the canvas view's current transformation matrix in all canvas items
- QCanvasItemList aList = canvas()->allItems();
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- if ( anActItem ) anActItem->setTMatrix(m);
- }
-
- setContentsPos((int)(aLX*aXzoom), (int)(aTY*aYzoom));
-
- canvas()->update();
-
- viewport()->setMouseTracking(true);
- setCursor(myCursor);
-
- emit viewOperationDone();
- }
-
- if ( myOperation == ZOOMVIEW )
- { // Zoom
- myOperation = NOTHING;
- viewport()->setMouseTracking(true);
- setCursor(myCursor);
-
- emit viewOperationDone();
- }
-
- if ( theEvent->button() == RightButton )
- {
- // Selection mechanism
- QCanvasItemList aList = canvas()->collisions(aPoint);
- bool isSelectionPerformed = false;
-
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- if (!isSelectionPerformed && anActItem)
- {
- anActItem->select(aPoint);
- if (anActItem != mySelectedItem)
- {
- if (mySelectedItem && isSelectedItemInCanvas() &&
- !mySelectedItem->arePartsOfOtherItem(anActItem)) mySelectedItem->select(aPoint, false);
- mySelectedItem = anActItem;
-
- // unhilight hilighted item if selection was performed
- if (myHilightedItem) {
- myHilightedItem->hilight(aPoint, false);
- myHilightedItem = 0;
- }
- }
- isSelectionPerformed = true;
- }
- }
-
- if (!isSelectionPerformed)
- {
- if ( mySelectedItem )
- {
- if ( isSelectedItemInCanvas() ) mySelectedItem->select(aPoint, false);
- mySelectedItem = 0;
- }
-
- // Background popup
- printf("Background popup\n");
- QContextMenuEvent aEvent( QContextMenuEvent::Mouse,
- theEvent->pos(), theEvent->globalPos(),
- theEvent->state() );
- if ( getViewWindow() )
- getViewWindow()->contextPopupEvent(&aEvent); // => emit contextMenuRequested( &aEvent );
- }
- else
- { // show context popup for the selected item
- mySelectedItem->showPopup(viewport(), theEvent, aPoint);
- }
- }
-
- if ( theEvent->button() == LeftButton && !myMovingDone )
- {
- // Selection mechanism
- QCanvasItemList aList = canvas()->collisions(aPoint);
-
- if ( aList.empty() && mySelectedItem )
- {
- if ( isSelectedItemInCanvas() ) mySelectedItem->select(aPoint, false);
- mySelectedItem = 0;
- }
- else
- {
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- if (anActItem)
- {
- anActItem->select(aPoint);
- if (anActItem != mySelectedItem)
- {
- if (mySelectedItem && isSelectedItemInCanvas() &&
- !mySelectedItem->arePartsOfOtherItem(anActItem)) mySelectedItem->select(aPoint, false);
- mySelectedItem = anActItem;
- }
- break;
- }
- }
- }
- }
-
- myMovingDone = false;
-}
-
-void QxGraph_CanvasView::contentsMouseDoubleClickEvent(QMouseEvent* theEvent)
-{
-
-}
-
-bool QxGraph_CanvasView::isSelectedItemInCanvas()
-{
- // check if mySelectedItem is included into the canvas:
- // if yes => unselect it
- // if no => do nothing
- bool anIsInCanvas = false;
- QCanvasItemList aListC = canvas()->allItems();
- for (QCanvasItemList::Iterator itC = aListC.begin(); itC != aListC.end(); ++itC) {
- QxGraph_ActiveItem* anActItemC = dynamic_cast<QxGraph_ActiveItem*>( *itC );
- if ( anActItemC && anActItemC == mySelectedItem ) {
- anIsInCanvas = true;
- break;
- }
- }
- return anIsInCanvas;
-}
-
-void QxGraph_CanvasView::activateFitAll()
-{
- //myOperation = FITALL;
- int w = 0, h = 0;
- QCanvasItemList l = canvas()->allItems();
- for (QCanvasItemList::Iterator it = l.begin(); it != l.end(); ++it) {
- QRect r = (*it)->boundingRect();
- if (w < r.right()) w = r.right();
- if (h < r.bottom()) h = r.bottom();
- }
- w += GRAPH_MARGIN; h += GRAPH_MARGIN;
- double s = ((double)visibleWidth())/((double)w);
- double s1 = ((double)visibleHeight())/((double)h);
- if (s > s1) s = s1;
-
- setContentsPos(0,0);
- QWMatrix m;
- m.scale(s, s);
- setWorldMatrix(m);
-
- // remember the canvas view's current transformation matrix in all canvas items
- QCanvasItemList aList = canvas()->allItems();
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- if ( anActItem ) anActItem->setTMatrix(m);
- }
-
- canvas()->update();
- //myOperation = NOTHING;
-
- emit viewOperationDone();
-}
-
-void QxGraph_CanvasView::activateFitRect()
-{
- myOperation = WINDOWFIT;
- viewport()->setMouseTracking(false);
- myCursor = cursor(); // save old cursor
- QCursor handCursor (Qt::PointingHandCursor);
- setCursor(handCursor);
-}
-
-void QxGraph_CanvasView::activateZoom()
-{
- myOperation = ZOOMVIEW;
- viewport()->setMouseTracking(false);
- myCursor = cursor(); // save old cursor
- QPixmap zoomPixmap (imageZoomCursor);
- QCursor zoomCursor (zoomPixmap);
- setCursor(zoomCursor);
-}
-
-void QxGraph_CanvasView::activatePanning()
-{
- myOperation = PANVIEW;
- viewport()->setMouseTracking(false);
- myCursor = cursor(); // save old cursor
- QCursor panCursor (Qt::SizeAllCursor);
- setCursor(panCursor);
-}
-
-void QxGraph_CanvasView::activateGlobalPanning()
-{
- myOperation = PANGLOBAL;
- myCursor = cursor(); // save old cursor
- QPixmap globalPanPixmap (imageCrossCursor);
- QCursor glPanCursor (globalPanPixmap);
- setCursor(glPanCursor);
-}
-
-void QxGraph_CanvasView::activateReset()
-{
- //myOperation = RESETVIEW;
- setContentsPos(0,0);
- QWMatrix m;
- setWorldMatrix(m);
-
- // remember the canvas view's current transformation matrix in all canvas items
- QCanvasItemList aList = canvas()->allItems();
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- if ( anActItem ) anActItem->setTMatrix(m);
- }
-
- //myOperation = NOTHING;
-
- emit viewOperationDone();
-}
-
-void QxGraph_CanvasView::onTimeout()
-{
- if (myCurrentItem) {
- scrollBy(myDX, myDY);
-
- double cx, cy;
- inverseWorldMatrix().map((double)myDX, (double)myDY, &cx, &cy);
- if (myCurrentItem->x()+cx < 0) cx = -myCurrentItem->x();
- if (myCurrentItem->y()+cy < 0) cy = -myCurrentItem->y();
- myCurrentItem->moveBy(cx, cy);
- myPoint.setX(myPoint.x()+(int)cx);
- myPoint.setY(myPoint.y()+(int)cy);
- canvas()->update();
- }
-}
-
-QxGraph_ViewWindow* QxGraph_CanvasView::getViewWindow() const
-{
- return dynamic_cast<QxGraph_ViewWindow*>( parent() );
-}
-
-/*!
- Shows tooltip if necessary
-*/
-void QxGraph_ToolTip::maybeTip(const QPoint& theMousePos) {
- QCanvasItemList aList = ((QCanvasView*)parentWidget())->canvas()->collisions(theMousePos);
-
- for (QCanvasItemList::Iterator it = aList.begin(); it != aList.end(); ++it) {
- QxGraph_ActiveItem* anActItem = dynamic_cast<QxGraph_ActiveItem*>( *it );
- if (anActItem)
- {
- QRect aRect;
- QString aText = anActItem->getToolTipText(theMousePos, aRect);
- int avX, avY;
- QWMatrix aWM = ((QCanvasView*)parentWidget())->worldMatrix();
- ((QCanvasView*)parentWidget())->contentsToViewport((int)(aRect.left()*aWM.m11()),
- (int)(aRect.top()*aWM.m22()),
- avX, avY);
- QRect aTipRect(avX, avY, (int)(aRect.width()*aWM.m11()), (int)(aRect.height()*aWM.m22()));
- if (!aText.isEmpty())
- tip(aTipRect, aText);
- return;
- }
- }
-}
-
-
-
