def mouseRightButtonPressed(self, obj, event):
pos = gridPos(event.scenePos())
item = self.itemAt(pos)
if isinstance(item, Block):
self.menuBlk.exec_(event.screenPos())
else:
pass
def mousePressEvent(self, event):
pos = gridPos(event.scenePos())
for item in self.items(
QtCore.QRectF(pos - QtCore.QPointF(DB, DB),
QtCore.QSizeF(2 * DB, 2 * DB))):
if isinstance(item, Block):
self.actComp = item
def mouseReleased(self, obj, event):
self.connFromNode = False
items = self.scene.selectedItems()
for item in items:
if isBlock(item) or isPort(item) or isComment(item):
item.setPos(gridPos(item.pos()))
for thing in item.childItems():
if isPort(thing, 'block'):
for conn in thing.connections:
conn.update_path()
def moveMouse(self, obj, event):
if self.connFromNode:
return
pos = gridPos(event.scenePos())
item = self.itemAt(pos)
if self.conn:
self.scene.mainw.view.setCursor(QtCore.Qt.ArrowCursor)
if item and isInPort(item) or isNode(item):
if len(item.connections) == 0:
self.scene.mainw.view.setCursor(QtCore.Qt.CrossCursor)
else:
self.scene.mainw.view.setCursor(QtCore.Qt.ArrowCursor)
elif item and isNode(item):
if len(item.connections) == 0:
self.scene.mainw.view.setCursor(QtCore.Qt.CrossCursor)
else:
self.scene.mainw.view.setCursor(QtCore.Qt.ArrowCursor)
self.conn.update_path(pos)
#return True
elif item:
if isBlock(item):
items = self.scene.selectedItems()
for item in items:
if isBlock(item):
for thing in item.childItems():
if isPort(thing, 'block'):
for conn in thing.connections:
conn.update_path()
#elif isConnection(item):
#self.scene.mainw.view.setCursor(QtCore.Qt.PointingHandCursor)
elif isOutPort(item):
self.scene.mainw.view.setCursor(QtCore.Qt.CrossCursor)
elif isNode(item):
if item in self.scene.selectedItems():
self.scene.mainw.view.setCursor(
QtCore.Qt.PointingHandCursor)
else:
self.scene.mainw.view.setCursor(QtCore.Qt.CrossCursor)
else:
self.scene.mainw.view.setCursor(QtCore.Qt.ArrowCursor)
def contextMenuEvent(self, event):
pos = gridPos(event.scenePos())
for item in self.items(
QtCore.QRectF(pos - QtCore.QPointF(DB, DB),
QtCore.QSizeF(2 * DB, 2 * DB))):
if isinstance(item, Block):
self.viewMenu.clear()
self.addViewMenu()
addViewAction = self.viewMenu.addAction("Add view")
addViewAction.triggered.connect(self.addViewAction)
self.menuBlk.exec_(event.screenPos())
break
else:
if self.parent.copiedBlock and self.parent.copiedBlockLibname:
self.pasteBlockAction.setEnabled(True)
else:
self.pasteBlockAction.setEnabled(False)
self.menuLibrary.exec_(event.screenPos())
def mouseDoubleClicked(self, obj, event):
pos = gridPos(event.scenePos())
item = self.itemAt(pos, exclude=[isConnection])
if isBlock(item):
if 'diagram' in item.getViews():
self.scene.mainw.descend(item)
else:
views = item.getViews()
fname = None
if len(views) == 1:
viewtype, fname = views.items()[0]
elif len(views) > 1:
d = selectionDialog(views.keys(), title='Select view')
ret = d.getRet()
if ret:
fname = views[ret]
if fname:
for tp, (editor, extension) in viewTypes.items():
if fname.endswith(extension):
cmd = editor
break
if cmd:
os.system(cmd + " " + fname)
else:
error(
"{} is unkown type\nplease see viewTypes in menu Settings -> Edit settings"
.format(source))
return
elif isPort(item, tp='ipin opin iopin node'.split()):
self.scene.item = item
self.portEdit()
if self.conn:
self.conn.remove()
self.conn = None
self.scene.mainw.view.setCursor(QtCore.Qt.ArrowCursor)
elif isTextItem(item):
font, ok = QtWidgets.QFontDialog.getFont(item.font())
if ok:
item.setFont(font)
def mouseLeftButtonPressed(self, obj, event):
pos = gridPos(event.scenePos())
blocks, ports, nodes, connections, labels = self.sortedItemsAt(pos)
if self.conn: # connection mode
while ports: # try to find in-port
port = ports.pop()
if isInPort(port):
self.connectionFinish(port)
return
while nodes: # else try to find node
node = nodes.pop()
self.connectionFinish(node)
return
# while connections:
# conn = connections.pop()
# if conn != self.conn:
# node = self.connectionInsertNode(conn, pos)
# self.connectionFinish(node)
# return
self.connectionNext(pos)
else: # not in connection mode
while ports:
port = ports.pop()
if isOutPort(port) and not port.connections:
# Try to create new connection starting at selected output port
self.connectionStart(port)
return
while nodes:
node = nodes.pop()
if node in self.scene.selectedItems():
node.setFlag(node.ItemIsMovable)
else:
#starting the connection
self.connectionStart(node)
self.connFromNode = True
def createNode(self, pos=None):
if not isinstance(pos, (QtCore.QPoint, QtCore.QPointF)):
pos = gridPos(self.event.scenePos())
newnode = Port(None, self.scene, porttype='node')
newnode.setPos(pos)
return newnode
def insertConnection(self, event):
pos = gridPos(event.scenePos())
item = self.ConnectionAt(pos)
if item and isConnection(item):
self.connectionInsertNode(item, pos)