void
NodeGraph::wheelEvent(QWheelEvent* e)
{
if (e->orientation() != Qt::Vertical) {
return;
}
wheelEventInternal(modCASIsControl(e), e->delta());
_imp->_lastMousePos = e->pos();
update();
}
void
NodeGraph::mouseMoveEvent(QMouseEvent* e)
{
QPointF newPos = mapToScene( e->pos() );
QPointF lastMousePosScene = mapToScene( _imp->_lastMousePos.x(), _imp->_lastMousePos.y() );
double dx, dy;
{
QPointF newPosRoot = _imp->_root->mapFromScene(newPos);
QPointF lastMousePosRoot = _imp->_root->mapFromScene(lastMousePosScene);
dx = newPosRoot.x() - lastMousePosRoot.x();
dy = newPosRoot.y() - lastMousePosRoot.y();
}
_imp->_hasMovedOnce = true;
bool mustUpdate = true;
boost::shared_ptr<NodeCollection> collection = getGroup();
NodeGroup* isGroup = dynamic_cast<NodeGroup*>( collection.get() );
bool isGroupEditable = true;
bool groupEdited = true;
if (isGroup) {
isGroupEditable = isGroup->isSubGraphEditable();
groupEdited = isGroup->getNode()->hasPyPlugBeenEdited();
}
if (!groupEdited && isGroupEditable) {
///check if user is nearby unlock
int iw = _imp->unlockIcon.width();
int ih = _imp->unlockIcon.height();
int w = width();
if ( ( e->x() >= (w - iw - 10 - 15) ) && ( e->x() <= (w - 10 + 15) ) &&
( e->y() >= (10 - 15) ) && ( e->y() <= (10 + ih + 15) ) ) {
assert(isGroup);
QPoint pos = mapToGlobal( e->pos() );
QToolTip::showText( pos, GuiUtils::convertFromPlainText(QCoreApplication::translate("NodeGraph", "Clicking the unlock button will convert the PyPlug to a regular group saved in the project and dettach it from the script.\n"
"Any modification will not be written to the Python script. Subsequent loading of the project will no longer load this group from the python script."), Qt::WhiteSpaceNormal) );
}
}
QRectF sceneR = visibleSceneRect();
if ( groupEdited && (_imp->_evtState != eEventStateSelectionRect) && (_imp->_evtState != eEventStateDraggingArrow) ) {
// Set cursor
std::set<NodeGui*> visibleNodes;
getNodesWithinViewportRect(visibleWidgetRect(), &visibleNodes);
NodeGuiPtr selected;
Edge* selectedEdge = 0;
bool optionalInputsAutoHidden = areOptionalInputsAutoHidden();
for (std::set<NodeGui*>::iterator it = visibleNodes.begin(); it != visibleNodes.end(); ++it) {
QPointF evpt = (*it)->mapFromScene(newPos);
QRectF bbox = (*it)->mapToScene( (*it)->boundingRect() ).boundingRect();
if ( (*it)->isActive() && bbox.intersects(sceneR) ) {
if ( (*it)->contains(evpt) ) {
selected = (*it)->shared_from_this();
if (optionalInputsAutoHidden) {
(*it)->refreshEdgesVisility(true);
} else {
break;
}
} else {
Edge* edge = (*it)->hasEdgeNearbyPoint(newPos);
if (edge) {
selectedEdge = edge;
if (!optionalInputsAutoHidden) {
break;
}
} else if ( optionalInputsAutoHidden && !(*it)->getIsSelected() ) {
(*it)->refreshEdgesVisility(false);
}
}
}
}
if (selected) {
_imp->cursorSet = true;
setCursor( QCursor(Qt::OpenHandCursor) );
} else if (selectedEdge) {
} else if (!selectedEdge && !selected) {
if (_imp->cursorSet) {
_imp->cursorSet = false;
unsetCursor();
}
}
}
bool mustUpdateNavigator = false;
///Apply actions
switch (_imp->_evtState) {
case eEventStateDraggingArrow: {
QPointF np = _imp->_arrowSelected->mapFromScene(newPos);
if ( _imp->_arrowSelected->isOutputEdge() ) {
_imp->_arrowSelected->dragDest(np);
} else {
_imp->_arrowSelected->dragSource(np);
}
checkAndStartAutoScrollTimer(newPos);
mustUpdate = true;
break;
}
case eEventStateDraggingNode: {
mustUpdate = true;
mustUpdateNavigator = true;
bool controlDown = modifierHasControl(e);
bool shiftdown = modifierHasShift(e);
moveSelectedNodesBy(shiftdown, controlDown, lastMousePosScene, newPos, sceneR, true);
break;
}
case eEventStateMovingArea: {
mustUpdateNavigator = true;
moveRootInternal(dx, dy);
_imp->cursorSet = true;
setCursor( QCursor(Qt::SizeAllCursor) );
mustUpdate = true;
break;
}
case eEventStateResizingBackdrop: {
mustUpdateNavigator = true;
assert(_imp->_backdropResized);
QPointF p = _imp->_backdropResized->scenePos();
int w = newPos.x() - p.x();
int h = newPos.y() - p.y();
checkAndStartAutoScrollTimer(newPos);
mustUpdate = true;
pushUndoCommand( new ResizeBackdropCommand(_imp->_backdropResized, w, h) );
break;
}
case eEventStateSelectionRect: {
QPointF startDrag = _imp->_lastSelectionStartPointScene;
QPointF cur = newPos;
double xmin = std::min( cur.x(), startDrag.x() );
double xmax = std::max( cur.x(), startDrag.x() );
double ymin = std::min( cur.y(), startDrag.y() );
double ymax = std::max( cur.y(), startDrag.y() );
checkAndStartAutoScrollTimer(newPos);
QRectF selRect(xmin, ymin, xmax - xmin, ymax - ymin);
_imp->_selectionRect = selRect;
mustUpdate = true;
break;
}
case eEventStateDraggingNavigator: {
QPointF mousePosSceneCoordinates;
bool insideNavigator = isNearbyNavigator(e->pos(), mousePosSceneCoordinates);
if (insideNavigator) {
_imp->_refreshOverlays = true;
centerOn(mousePosSceneCoordinates);
_imp->_lastMousePos = e->pos();
update();
return;
}
break;
}
case eEventStateZoomingArea: {
int delta = 2 * ( ( e->x() - _imp->_lastMousePos.x() ) - ( e->y() - _imp->_lastMousePos.y() ) );
setTransformationAnchor(QGraphicsView::AnchorViewCenter);
wheelEventInternal(modCASIsControl(e), delta);
setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
mustUpdate = true;
break;
}
default:
mustUpdate = false;
break;
} // switch
_imp->_lastMousePos = e->pos();
if (mustUpdateNavigator) {
_imp->_refreshOverlays = true;
mustUpdate = true;
}
if (mustUpdate) {
update();
}
QGraphicsView::mouseMoveEvent(e);
} // mouseMoveEvent
void
NodeGraph::mouseMoveEvent(QMouseEvent* e)
{
QPointF newPos = mapToScene( e->pos() );
QPointF lastMousePosScene = mapToScene( _imp->_lastMousePos.x(), _imp->_lastMousePos.y() );
double dx, dy;
{
QPointF newPosRoot = _imp->_root->mapFromScene(newPos);
QPointF lastMousePosRoot = _imp->_root->mapFromScene(lastMousePosScene);
dx = newPosRoot.x() - lastMousePosRoot.x();
dy = newPosRoot.y() - lastMousePosRoot.y();
}
_imp->_hasMovedOnce = true;
bool mustUpdate = true;
NodeCollectionPtr collection = getGroup();
NodeGroupPtr isGroup = toNodeGroup(collection);
bool isGroupEditable = true;
bool groupEdited = true;
if (isGroup) {
isGroupEditable = isGroup->isSubGraphEditable();
groupEdited = isGroup->isSubGraphEditedByUser();
}
if (!groupEdited && isGroupEditable) {
///check if user is nearby unlock
// see NodeGraph::paintEvent()
QPoint pixPos = _imp->getPyPlugUnlockPos();
int pixW = _imp->unlockIcon.width();
int pixH = _imp->unlockIcon.height();
QRect pixRect(pixPos.x(), pixPos.y(), pixW, pixH);
pixRect.adjust(-2, -2, 2, 2);
QRect selRect = pixRect;
selRect.adjust(-3, -3, 3, 3);
if ( selRect.contains( e->pos() ) ) {
assert(isGroup);
QPoint pos = mapToGlobal( e->pos() );
// Unfortunately, the timeout delay for the tooltip is hardcoded in Qt 4, and the last parameter to showText doesn't seem to influence anything
// Can not fix https://github.com/MrKepzie/Natron/issues/1151 (at least in Qt4)
QToolTip::showText( pos, NATRON_NAMESPACE::convertFromPlainText(QCoreApplication::translate("NodeGraph", "Clicking the unlock button will convert the PyPlug to a regular group saved in the project and dettach it from the script.\n"
"Any modification will not be written to the Python script. Subsequent loading of the project will no longer load this group from the python script."), NATRON_NAMESPACE::WhiteSpaceNormal),
this, selRect);
e->accept();
return;
}
}
QRectF sceneR = visibleSceneRect();
bool mustUpdateNavigator = false;
///Apply actions
switch (_imp->_evtState) {
case eEventStateDraggingArrow: {
QPointF np = _imp->_arrowSelected->mapFromScene(newPos);
if ( _imp->_arrowSelected->isOutputEdge() ) {
_imp->_arrowSelected->dragDest(np);
} else {
_imp->_arrowSelected->dragSource(np);
}
checkAndStartAutoScrollTimer(newPos);
mustUpdate = true;
if (_imp->cursorSet) {
_imp->cursorSet = false;
unsetCursor();
}
break;
}
case eEventStateDraggingNode: {
mustUpdate = true;
mustUpdateNavigator = true;
bool controlDown = modifierHasControl(e);
bool shiftdown = modifierHasShift(e);
moveSelectedNodesBy(shiftdown, controlDown, lastMousePosScene, newPos, sceneR, true);
_imp->cursorSet = true;
setCursor( QCursor(Qt::ClosedHandCursor) );
break;
}
case eEventStateMovingArea: {
mustUpdateNavigator = true;
moveRootInternal(dx, dy);
mustUpdate = true;
_imp->cursorSet = true;
setCursor( QCursor(Qt::SizeAllCursor) );
break;
}
case eEventStateResizingBackdrop: {
mustUpdateNavigator = true;
assert(_imp->_backdropResized.lock());
QPointF p = _imp->_backdropResized.lock()->scenePos();
int w = newPos.x() - p.x();
int h = newPos.y() - p.y();
checkAndStartAutoScrollTimer(newPos);
mustUpdate = true;
pushUndoCommand( new ResizeBackdropCommand(_imp->_backdropResized.lock(), w, h) );
_imp->cursorSet = true;
setCursor( QCursor(Qt::SizeFDiagCursor) );
break;
}
case eEventStateSelectionRect: {
QPointF startDrag = _imp->_lastSelectionStartPointScene;
QPointF cur = newPos;
double xmin = std::min( cur.x(), startDrag.x() );
double xmax = std::max( cur.x(), startDrag.x() );
double ymin = std::min( cur.y(), startDrag.y() );
double ymax = std::max( cur.y(), startDrag.y() );
checkAndStartAutoScrollTimer(newPos);
QRectF selRect(xmin, ymin, xmax - xmin, ymax - ymin);
_imp->_selectionRect = selRect;
mustUpdate = true;
_imp->cursorSet = true;
setCursor( QCursor(Qt::CrossCursor) );
break;
}
case eEventStateDraggingNavigator: {
_imp->cursorSet = true;
setCursor( QCursor(Qt::ClosedHandCursor) );
QPointF mousePosSceneCoordinates;
bool insideNavigator = isNearbyNavigator(e->pos(), mousePosSceneCoordinates);
if (insideNavigator) {
_imp->_refreshOverlays = true;
centerOn(mousePosSceneCoordinates);
_imp->_lastMousePos = e->pos();
update();
return;
}
break;
}
case eEventStateZoomingArea: {
int delta = 2 * ( ( e->x() - _imp->_lastMousePos.x() ) - ( e->y() - _imp->_lastMousePos.y() ) );
setTransformationAnchor(QGraphicsView::AnchorViewCenter);
wheelEventInternal(modCASIsControl(e), delta);
setTransformationAnchor(QGraphicsView::AnchorUnderMouse);
mustUpdate = true;
_imp->cursorSet = true;
setCursor( QCursor(Qt::SizeAllCursor) );
break;
}
case eEventStateNone:
default: {
mustUpdate = false;
// Test if mouse is inside the navigator
QPointF mousePosSceneCoordinates;
bool insideNavigator = isNearbyNavigator(e->pos(), mousePosSceneCoordinates);
if (insideNavigator) {
_imp->cursorSet = true;
setCursor( QCursor(Qt::OpenHandCursor) );
} else if (!groupEdited) {
if (_imp->cursorSet) {
_imp->cursorSet = false;
unsetCursor();
}
} else {
// Set cursor
// The cursor should clearly indicate when will happen if mouse is pressed
NodeGuiPtr nearbyNode;
Edge* nearbyEdge = NULL;
NearbyItemEnum nearbyItemCode = hasItemNearbyMouse(e->pos(), &nearbyNode, &nearbyEdge);
switch (nearbyItemCode) {
case eNearbyItemNode:
case eNearbyItemBackdropFrame:
case eNearbyItemEdgeBendPoint: {
_imp->cursorSet = true;
setCursor( QCursor(Qt::OpenHandCursor) );
break;
}
case eNearbyItemBackdropResizeHandle: {
_imp->cursorSet = true;
setCursor( QCursor(Qt::SizeFDiagCursor) );
break;
}
case eNearbyItemNone: {
_imp->cursorSet = true;
setCursor( QCursor(Qt::CrossCursor) );
break;
}
case eNearbyItemNodeEdge:
default: {
if (_imp->cursorSet) {
_imp->cursorSet = false;
unsetCursor();
}
break;
}
}
}
break;
}
} // switch
_imp->_lastMousePos = e->pos();
if (mustUpdateNavigator) {
_imp->_refreshOverlays = true;
mustUpdate = true;
}
if (mustUpdate) {
update();
}
TabWidget* tab = getParentPane() ;
if (tab && _imp->_evtState == eEventStateNone) {
// If the Viewer is in a tab, send the tab widget the event directly
qApp->sendEvent(tab, e);
}
QGraphicsView::mouseMoveEvent(e);
} // mouseMoveEvent