-// Copyright (C) 2006-2008 CEA/DEN, EDF R&D
+// Copyright (C) 2006-2012 CEA/DEN, EDF R&D
//
-// 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 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.
+// 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
+// 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
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
#include "GraphicsView.hxx"
#include "SchemaModel.hxx"
#include "SceneItem.hxx"
+#include "SceneTextItem.hxx"
#include "Scene.hxx"
#include "QtGuiContext.hxx"
+#include "guiObservers.hxx"
#include <cmath>
#include <QMenu>
#include <QGraphicsView>
+#include <QWheelEvent>
+
+#include <cmath>
//#define _DEVDEBUG_
#include "YacsTrace.hxx"
_zooming = false;
_fittingArea = false;
_panning = false;
+ _rect = 0;
setTransformationAnchor(QGraphicsView::AnchorViewCenter);
}
QGraphicsItem *qgitem = itemAt(event->pos());
if (qgitem)
{
- AbstractSceneItem *item = dynamic_cast<AbstractSceneItem*>(qgitem);
+ SceneItem *item = dynamic_cast<SceneItem*>(qgitem);
if (item)
- item->popupMenu(this, event->globalPos());
+ {
+ QPointF point = mapToScene(event->pos());
+ item->setEventPos(point);
+ item->popupMenu(this, event->globalPos());
+ }
+ else
+ {
+ SceneTextItem *item = dynamic_cast<SceneTextItem*>(qgitem);
+ if (item)
+ {
+ QPointF point = mapToScene(event->pos());
+ item->setEventPos(point);
+ item->popupMenu(this, event->globalPos());
+ }
+ }
}
}
WrapGraphicsView::mouseMoveEvent(e);
if (e->buttons()==Qt::LeftButton)
{
+ QPoint current = e->pos();
if (_zooming)
{
qreal currentX = e->globalX();
- qreal delta = currentX - _prevX;
+ qreal currentY = e->globalY();
+ qreal delta = sqrt((currentX - _prevX)*(currentX - _prevX) + (currentY - _prevY)*(currentY - _prevY));
+ if ((currentX*currentX + currentY*currentY) < (_prevX*_prevX + _prevY*_prevY))
+ delta = -delta;
_prevX = currentX;
+ _prevY = currentY;
// if (delta < -30) delta = -30;
// if (delta > 30) delta = 30;
double deltax = delta/900.;
}
else if (_panning)
{
- QPoint current = e->pos();
translate(current.x() - _prevPos.x(), current.y() - _prevPos.y());
//DEBTRACE(current.x()<<"-"<<_prevPos.x()<<" "<<current.y()<<"-"<<_prevPos.y());
_prevPos = current;
}
+ else if (_fittingArea)
+ {
+ if (!_rect)
+ {
+ _rect = scene()->addRect(QGraphicsView::mapToScene(QRect(_prevPos, current)).boundingRect());
+ _rect->setZValue(100000);
+ _rect->setParentItem(0);
+ }
+ else
+ {
+ _rect->setRect(QGraphicsView::mapToScene(QRect(_prevPos, current)).boundingRect());
+ _rect->show();
+ }
+ }
}
}
void GraphicsView::mousePressEvent(QMouseEvent *e)
{
+ DEBTRACE("GraphicsView::mousePressEvent");
+ if (QtGuiContext::getQtCurrent()->getView() != this)
+ {
+ DEBTRACE("Switch context before selection");
+ QtGuiContext::getQtCurrent()->getGMain()->switchContext(this->parentWidget());
+ }
WrapGraphicsView::mousePressEvent(e);
if (_zooming)
{
_prevX = e->globalX();
+ _prevY = e->globalY();
}
else if (_fittingArea)
{
{
_fittingArea = false;
QPoint current = e->pos();
- fitInView(QRect(_prevPos, current), Qt::KeepAspectRatio);
+ fitInView(QGraphicsView::mapToScene(QRect(_prevPos, current)).boundingRect(), Qt::KeepAspectRatio);
+ if (_rect)
+ _rect->hide();
}
QTransform q = transform();
DEBTRACE(q.m11()<<" "<<q.m12()<<" "<<q.m21()<<" "<<q.m22()<<" "<<q.dx()<<" "<<q.dy());
WrapGraphicsView::mouseReleaseEvent(e);
}
+
+void GraphicsView::wheelEvent(QWheelEvent *e)
+{
+ DEBTRACE("GraphicsView::wheelEvent " << e->delta());
+ double zoom = exp(0.1*e->delta()/120);
+ _scale = _scale*zoom;
+ setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
+ scale(zoom,zoom);
+}
+
+void GraphicsView::onZoomToBloc()
+{
+ Subject *sub = QtGuiContext::getQtCurrent()->getSelectedSubject();
+ SubjectNode *snode = dynamic_cast<SubjectNode*>(sub);
+ if (!snode)
+ return;
+ SubjectComposedNode *scnode = dynamic_cast<SubjectComposedNode*>(sub);
+ if (!scnode)
+ scnode = dynamic_cast<SubjectComposedNode*>(snode->getParent());
+ YASSERT(scnode);
+ SceneItem *item = QtGuiContext::getQtCurrent()->_mapOfSceneItem[scnode];
+ YASSERT(item);
+ QRectF rect = item->mapToScene(item->boundingRect().toRect()).boundingRect();
+ fitInView(rect.toRect(), Qt::KeepAspectRatio);
+}
+
+void GraphicsView::onCenterOnNode()
+{
+ Subject *sub =QtGuiContext::getQtCurrent()->getSelectedSubject();
+ SubjectNode *snode = dynamic_cast<SubjectNode*>(sub);
+ if (!snode)
+ return;
+ SceneItem *item = QtGuiContext::getQtCurrent()->_mapOfSceneItem[sub];
+ centerOn(item);
+}
