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;
}
