bool MouseEdgeBuilder::eventFilter(QObject *widget, QEvent *e) {
GlMainWidget *glMainWidget = static_cast<GlMainWidget *>(widget);
if (e->type() == QEvent::MouseButtonPress) {
QMouseEvent * qMouseEv = static_cast<QMouseEvent *>(e);
SelectedEntity selectedEntity;
GlGraphInputData *inputData=glMainWidget->getScene()->getGlGraphComposite()->getInputData();
Graph * _graph = inputData->getGraph();
LayoutProperty* mLayout = inputData->getElementLayout();
if (qMouseEv->buttons()==Qt::LeftButton) {
if (!_started) {
bool result=glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity);
if (result && (selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED)) {
_started=true;
initObserver(_graph);
_source=node(selectedEntity.getComplexEntityId());
_curPos=_startPos=mLayout->getNodeValue(_source);
return true;
}
return false;
}
else {
bool result = glMainWidget->pickNodesEdges(qMouseEv->x(),qMouseEv->y(),selectedEntity);
if (result && (selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED)) {
Observable::holdObservers();
_started=false;
clearObserver();
// allow to undo
_graph->push();
addLink(widget,_source,node(selectedEntity.getComplexEntityId()));
Observable::unholdObservers();
}
else {
Coord point(glMainWidget->width() - qMouseEv->x(), qMouseEv->y(), 0);
_bends.push_back(glMainWidget->getScene()->getGraphCamera().viewportTo3DWorld(glMainWidget->screenToViewport(point)));
glMainWidget->redraw();
}
}
return true;
}
if (qMouseEv->buttons()==Qt::MidButton) {
_bends.clear();
_started=false;
_source=node();
clearObserver();
glMainWidget->draw();
return true;
}
}
if (e->type() == QEvent::MouseMove) {
QMouseEvent * qMouseEv = static_cast<QMouseEvent *>(e);
if (!_started) {
SelectedEntity selectedEntity;
bool hoveringOverNode = glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED;
if (!hoveringOverNode) {
glMainWidget->setCursor(QCursor(Qt::ArrowCursor));
return false;
}
else {
glMainWidget->setCursor(QCursor(Qt::CrossCursor));
}
}
else {
SelectedEntity selectedEntity;
if(glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
glMainWidget->setCursor(QCursor(Qt::CrossCursor));
}
else {
glMainWidget->setCursor(QCursor(Qt::ArrowCursor));
}
Coord point(glMainWidget->width() - qMouseEv->x(), qMouseEv->y(), 0);
point = glMainWidget->getScene()->getGraphCamera().viewportTo3DWorld(glMainWidget->screenToViewport(point));
_curPos.set(point[0], point[1], point[2]);
glMainWidget->redraw();
}
return true;
}
return false;
}
//========================================================================================
bool MouseEdgeBendEditor::eventFilter(QObject *widget, QEvent *e) {
QMouseEvent * qMouseEv = (QMouseEvent *) e;
if(qMouseEv == NULL)
return false;
// Double click to create a new control point
if(e->type() == QEvent::MouseButtonDblClick && qMouseEv->button() == Qt::LeftButton && haveSelection(glMainWidget)) {
_operation = NEW_OP;
mMouseCreate(qMouseEv->x(), qMouseEv->y(), glMainWidget);
return true;
}
if (e->type() == QEvent::MouseButtonPress) {
if(!glMainWidget)
glMainWidget = (GlMainWidget *) widget;
initProxies(glMainWidget);
bool hasSelection = haveSelection(glMainWidget);
editPosition[0] = qMouseEv->x();
editPosition[1] = qMouseEv->y();
editPosition[2] = 0;
switch(qMouseEv->buttons()) {
case Qt::LeftButton : {
if (!hasSelection) {
// event occurs outside the selection rectangle
// so from now we delegate the job to a MouseEdgeSelector object
// which should intercept the event
_operation = NONE_OP;
}
else {
bool entityIsSelected = glMainWidget->pickGlEntities((int)editPosition[0] - 3, (int)editPosition[1] - 3, 6, 6, select, layer);
if(!entityIsSelected) {
// We have click outside an entity
_operation = NONE_OP;
}
else {
selectedEntity=circleString->findKey(select[0].getSimpleEntity());
if (qMouseEv->modifiers() &
#if defined(__APPLE__)
Qt::AltModifier
#else
Qt::ControlModifier
#endif
) {
_operation = DELETE_OP;
mMouseDelete();
}
else {
_graph->push();
_operation = TRANSLATE_OP;
glMainWidget->setCursor(QCursor(Qt::SizeAllCursor));
mode = COORD;
}
return true;
}
}
break;
}
default: {
return false;
}
}
glMainWidget->redraw();
}
if (e->type() == QEvent::MouseButtonRelease &&
qMouseEv->button() == Qt::LeftButton &&
_operation != NONE_OP) {
GlMainWidget *glMainWidget = (GlMainWidget *) widget;
if(selectedEntity=="targetTriangle") {
SelectedEntity selectedEntity;
if (glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
glMainWidget->getScene()->getGlGraphComposite()->getGraph()->setEnds(mEdge,glMainWidget->getScene()->getGlGraphComposite()->getGraph()->ends(mEdge).first,node(selectedEntity.getComplexEntityId()));
}
}
else if(selectedEntity=="sourceCircle") {
SelectedEntity selectedEntity;
if (glMainWidget->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
glMainWidget->getScene()->getGlGraphComposite()->getGraph()->setEnds(mEdge,node(selectedEntity.getComplexEntityId()),glMainWidget->getScene()->getGlGraphComposite()->getGraph()->ends(mEdge).second);
}
}
selectedEntity="";
_operation = NONE_OP;
glMainWidget->setCursor(QCursor(Qt::PointingHandCursor));
glMainWidget->redraw();
return true;
}
if(e->type() == QEvent::MouseButtonPress) {
vector<SelectedEntity> selectedEntities;
glMainWidget->pickGlEntities(qMouseEv->x(), qMouseEv->y(), selectedEntities);
if(!selectedEntities.empty())
if(selectedEntities[0].getEntityType()==SelectedEntity::SIMPLE_ENTITY_SELECTED)
if(selectedEntities[0].getSimpleEntity()==edgeEntity) {
mouseButtonPressOnEdge=true;
return true;
}
}
if(e->type() == QEvent::MouseButtonRelease) {
vector<SelectedEntity> selectedEntities;
glMainWidget->pickGlEntities(qMouseEv->x(), qMouseEv->y(), selectedEntities);
if(!selectedEntities.empty())
if(selectedEntities[0].getEntityType()==SelectedEntity::SIMPLE_ENTITY_SELECTED)
if(selectedEntities[0].getSimpleEntity()==edgeEntity && mouseButtonPressOnEdge) {
mouseButtonPressOnEdge=false;
return true;
}
mouseButtonPressOnEdge=false;
}
if (e->type() == QEvent::MouseMove) {
if(qMouseEv->buttons() == Qt::LeftButton &&
_operation != NONE_OP) {
GlMainWidget *glMainWidget = (GlMainWidget *) widget;
switch (_operation) {
case TRANSLATE_OP:
mMouseTranslate(qMouseEv->x(), qMouseEv->y(), glMainWidget);
return true;
default:
return false;
}
}
else if(qMouseEv->buttons() == Qt::NoButton) {
SelectedEntity selectedEntity;
GlMainWidget *g = (GlMainWidget *) widget;
if (g->pickNodesEdges(qMouseEv->x(), qMouseEv->y(), selectedEntity) && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
g->setCursor(Qt::CrossCursor);
}
else {
g->setCursor(Qt::ArrowCursor);
}
return false;
}
}
return false;
}
bool MouseLassoNodesSelectorInteractorComponent::eventFilter(QObject *obj, QEvent *e) {
GlMainWidget *glWidget=static_cast<GlMainWidget *>(obj);
if (!glWidget->hasMouseTracking()) {
glWidget->setMouseTracking(true);
}
QMouseEvent *me = dynamic_cast<QMouseEvent *>(e);
if (!me) return false;
camera = &glWidget->getScene()->getLayer("Main")->getCamera();
graph = glWidget->getScene()->getGlGraphComposite()->getInputData()->getGraph();
viewSelection = graph->getProperty<BooleanProperty>("viewSelection");
currentPointerScreenCoord = Coord(me->x(), glWidget->height() - me->y());
if (me->type() == QEvent::MouseMove) {
if (dragStarted) {
polygon.push_back(glWidget->screenToViewport(currentPointerScreenCoord));
drawInteractor = true;
glWidget->redraw();
}
return true;
}
else if (me->type() == QEvent::MouseButtonPress) {
if (me->button() == Qt::LeftButton) {
dragStarted = true;
polygon.push_back(glWidget->screenToViewport(currentPointerScreenCoord));
}
else if (me->button() == Qt::RightButton) {
dragStarted = false;
if (!polygon.empty()) {
polygon.clear();
drawInteractor = true;
glWidget->redraw();
}
else {
Observable::holdObservers();
SelectedEntity selectedEntity;
bool result = glWidget->pickNodesEdges(me->x(), me->y(), selectedEntity);
if (result && selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED) {
bool sel = viewSelection->getNodeValue(node(selectedEntity.getComplexEntityId()));
viewSelection->setNodeValue(node(selectedEntity.getComplexEntityId()), !sel);
}
Observable::unholdObservers();
}
}
return true;
}
else if (me->type() == QEvent::MouseButtonRelease) {
dragStarted = false;
if (me->button() == Qt::LeftButton && polygon.size() > 10) {
Observable::holdObservers();
if (me->modifiers() != Qt::ControlModifier) {
viewSelection->setAllNodeValue(false);
viewSelection->setAllEdgeValue(false);
}
selectGraphElementsUnderPolygon(glWidget);
Observable::unholdObservers();
}
polygon.clear();
}
return false;
}
/*
Most important function of an interactor component
When an event arrive on your interactor : this function is call
You have to process it and return true. If the event do nothing in your interactor : this function
return false;
*/
bool eventFilter(QObject *, QEvent *e) {
/*
If you have clicked on a node/edge, information widget is visible.
And if you use the wheel of the mouse we hide the information widget
*/
if (_informationWidgetItem->isVisible() && e->type() == QEvent::Wheel) {
_informationWidgetItem->setVisible(false);
return false;
}
/*
Check if the event is a mouse event
*/
QMouseEvent *qMouseEv = dynamic_cast<QMouseEvent *>(e);
if (qMouseEv != nullptr) {
GlMainView *glMainView = static_cast<GlMainView *>(view());
/*
Check if event is a left mouse button press
*/
if (e->type() == QEvent::MouseButtonPress && qMouseEv->button() == Qt::LeftButton) {
/*
If you have clicked on a node/edge, information widget is visible.
And if you reclick : hide it
*/
if (_informationWidgetItem->isVisible()) {
_informationWidgetItem->setVisible(false);
} else {
/*
Select entities under the mouse cursor
The result of selection is stored in SelectedEntity
And pickNodesEdges return true if you click on node or edge
*/
SelectedEntity selectedEntity;
if (glMainView->getGlMainWidget()->pickNodesEdges(qMouseEv->x(), qMouseEv->y(),
selectedEntity)) {
/*
Change text of the information label with
- If you click on a node : "Click on node id : nodeId"
- If you click on an edge : "Click on edge id : edgeId"
*/
QString text("Click on ");
if (selectedEntity.getEntityType() == SelectedEntity::NODE_SELECTED)
text += "node ";
else
text += "edge ";
text += " id : " + QString::number(selectedEntity.getComplexEntityId());
/*
- Update QLabel with new text
- Auto resize QLabel
- Set position of the label at mouse position
- Display it
*/
_informationLabel->setText(text);
_informationLabel->adjustSize();
_informationWidgetItem->setPos(qMouseEv->pos());
_informationWidgetItem->setVisible(true);
/*
Here we just add a small smooth animation on the label pop
*/
QPropertyAnimation *animation =
new QPropertyAnimation(_informationWidgetItem, "opacity");
animation->setDuration(100);
animation->setStartValue(0.);
animation->setEndValue(0.99);
animation->start();
/*
We have treated the event so we return true
*/
return true;
}
}
}
}
/*
We don't have treated the event se we return false
*/
return false;
}
