def frameNodes(self, nodes):
if len(nodes) == 0:
return
def computeWindowFrame():
windowRect = self.rect()
windowRect.setLeft(windowRect.left() + 16)
windowRect.setRight(windowRect.right() - 16)
windowRect.setTop(windowRect.top() + 16)
windowRect.setBottom(windowRect.bottom() - 16)
return windowRect
nodesRect = None
for node in nodes:
nodeRectF = node.transform().mapRect(node.rect())
nodeRect = QtCore.QRect(nodeRectF.x(), nodeRectF.y(),
nodeRectF.width(), nodeRectF.height())
if nodesRect is None:
nodesRect = nodeRect
else:
nodesRect = nodesRect.united(nodeRect)
windowRect = computeWindowFrame()
scaleX = float(windowRect.width()) / float(nodesRect.width())
scaleY = float(windowRect.height()) / float(nodesRect.height())
if scaleY > scaleX:
scale = scaleX
else:
scale = scaleY
if scale < 1.0:
self.setTransform(QtGui.QTransform.fromScale(scale, scale))
else:
self.setTransform(QtGui.QTransform())
sceneRect = self.sceneRect()
pan = sceneRect.center() - nodesRect.center()
sceneRect.translate(-pan.x(), -pan.y())
self.setSceneRect(sceneRect)
# Update the main panel when reframing.
self.update()
def mousePressEvent(self, event):
if event.button() is QtCore.Qt.MouseButton.LeftButton and self.itemAt(
event.pos()) is None:
self.beginNodeSelection.emit()
self._manipulationMode = MANIP_MODE_SELECT
self._mouseDownSelection = copy.copy(self.getSelectedNodes())
self._selectionRect = SelectionRect(graph=self,
mouseDownPos=self.mapToScene(
event.pos()))
elif event.button() is QtCore.Qt.MouseButton.MiddleButton:
self.setCursor(QtCore.Qt.OpenHandCursor)
self._manipulationMode = MANIP_MODE_PAN
self._lastPanPoint = self.mapToScene(event.pos())
elif event.button() is QtCore.Qt.MouseButton.RightButton:
self.setCursor(QtCore.Qt.SizeHorCursor)
self._manipulationMode = MANIP_MODE_ZOOM
self._lastZoomPoint = self.mapToScene(event.pos())
self._lastTransform = QtGui.QTransform(self.transform())
else:
super(GraphView, self).mousePressEvent(event)
def mousePressEvent(self, event):
print "KGraphView: mousePressEvent"
modifiers = QtWidgets.QApplication.keyboardModifiers()
if event.button() == QtCore.Qt.MouseButton.RightButton:
print "KGraphView: mousePressEvent.RightButton"
zoom_with_alt_rmb = self.window().preferences.getPreferenceValue(
'zoom_with_alt_rmb')
if zoom_with_alt_rmb and modifiers == QtCore.Qt.AltModifier:
self._manipulationMode = MANIP_MODE_ZOOM
self.setCursor(QtCore.Qt.SizeHorCursor)
self._lastMousePos = event.pos()
self._lastTransform = QtGui.QTransform(self.transform())
self._lastSceneRect = self.sceneRect()
self._lastSceneCenter = self._lastSceneRect.center()
self._lastScenePos = self.mapToScene(event.pos())
self._lastOffsetFromSceneCenter = self._lastScenePos - self._lastSceneCenter
return
def graphItemAt(item):
if isinstance(item, KNode):
return item
if isinstance(item, Connection):
return item
elif item is not None:
return graphItemAt(item.parentItem())
return None
graphicItem = graphItemAt(self.itemAt(event.pos()))
pos = self.mapToScene(event.pos())
if graphicItem is None:
contextMenu = QtWidgets.QMenu(self.getGraphViewWidget())
contextMenu.setObjectName('rightClickContextMenu')
contextMenu.setMinimumWidth(150)
if self.getClipboardData() is not None:
def pasteSettings():
self.pasteSettings(pos)
def pasteSettingsMirrored():
self.pasteSettings(pos, mirrored=True)
contextMenu.addAction("Paste").triggered.connect(
pasteSettings)
contextMenu.addAction("Paste Mirrored").triggered.connect(
pasteSettingsMirrored)
contextMenu.addSeparator()
graphViewWidget = self.getGraphViewWidget()
contextMenu.addAction("Add Backdrop").triggered.connect(
graphViewWidget.addBackdrop)
contextMenu.popup(event.globalPos())
if isinstance(graphicItem, KNode):
self.selectNode(graphicItem,
clearSelection=True,
emitSignal=True)
contextMenu = QtWidgets.QMenu(self.getGraphViewWidget())
contextMenu.setObjectName('rightClickContextMenu')
contextMenu.setMinimumWidth(150)
def copySettings():
self.copySettings(pos)
contextMenu.addAction("Copy").triggered.connect(copySettings)
if self.getClipboardData() is not None:
def pasteSettings():
# Paste the settings, not modifying the location, because that will be used to determine symmetry.
pasteData = self.getClipboardData()['components'][0]
pasteData.pop('graphPos', None)
graphicItem.getComponent().pasteData(pasteData,
setLocation=False)
contextMenu.addSeparator()
contextMenu.addAction("Paste Data").triggered.connect(
pasteSettings)
contextMenu.popup(event.globalPos())
elif isinstance(graphicItem, Connection):
outPort = graphicItem.getSrcPortCircle().getPort()
inPort = graphicItem.getDstPortCircle().getPort()
if outPort.getDataType() != inPort.getDataType():
if outPort.getDataType().startswith(inPort.getDataType(
)) and outPort.getDataType().endswith('[]'):
globalPos = event.globalPos()
contextMenu = QtWidgets.QMenu(
self.getGraphViewWidget())
contextMenu.setObjectName('rightClickContextMenu')
contextMenu.setMinimumWidth(150)
def editIndex():
componentInput = graphicItem.getDstPortCircle(
).getPort().getComponentInput()
EditIndexWidget(componentInput,
pos=globalPos,
parent=self.getGraphViewWidget())
contextMenu.addAction("EditIndex").triggered.connect(
editIndex)
contextMenu.popup(globalPos)
elif event.button(
) is QtCore.Qt.MouseButton.LeftButton and self.itemAt(
event.pos()) is None:
print "KGraphView: mousePressEvent.LeftButton"
self.beginNodeSelection.emit()
self._manipulationMode = MANIP_MODE_SELECT
self._mouseDownSelection = copy.copy(self.getSelectedNodes())
self._selectionRect = SelectionRect(graph=self,
mouseDownPos=self.mapToScene(
event.pos()))
elif event.button() is QtCore.Qt.MouseButton.MiddleButton:
print "KGraphView: mousePressEvent.MiddleButton"
pan_with_alt = self.window().preferences.getPreferenceValue(
'pan_with_alt')
if pan_with_alt is True and modifiers != QtCore.Qt.AltModifier:
return
self.setCursor(QtCore.Qt.OpenHandCursor)
self._manipulationMode = MANIP_MODE_PAN
self._lastPanPoint = self.mapToScene(event.pos())
else:
super(GraphView, self).mousePressEvent(event)
