In my example attached, I noticed that if I try (*consecutively twice*) to
drag a dock onto the bottom or top overlay of itself , it will always give
me this error. (it usually takes 2 times dragging). This behavior does not
happen if i drag it onto the left or right overlay.
Traceback (most recent call last):
File "..\pyqtgraph\dockarea\Dock.py", line 247, in dropEvent
DockDrop.dropEvent(self, *args)
File "..\pyqtgraph\dockarea\DockDrop.py", line 78, in dropEvent
self.area.moveDock(ev.source(), area, self)
AttributeError: 'NoneType' object has no attribute 'moveDock'
Case2:
I also tested the scenario in which the docks are added to the dock area
with the position parameter = "bottom" => resulting into 2 widgets in a
vertical column. Then if we take a widget and drag it twice on it's own
overlay on the left or right we get the same error.
For now I fixed this by adding this check in the dockarea moveDock()
function:
if neighbor is not dock:
( continue with the old function)
Please let me know if I am doing anything wrong.
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import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtGui
from pyqtgraph.dockarea import *
from PySide2.QtWidgets import QWidget, QMainWindow, QSplitter
count =0
def addWidgetToWindow():
mywidget = QWidget()
mywidget.setStyleSheet("background-color : red;")
global count
mywidget.setWindowTitle("my widget"+str(count))
d = Dock( name=mywidget.windowTitle(), size=(300, 200), closable=True)
global area
area.addDock(d, "bottom")
d.addWidget(mywidget)
count= count+1
def addWidgetToWindowModif():
mywidget = QWidget()
mywidget.setStyleSheet("background-color : red;")
global count
mywidget.setWindowTitle("my widget" + str(count))
d = Dock(name=mywidget.windowTitle(), size=(300, 200), closable=True)
global area
a = DockArea.addTempArea(area)
a.addDock(d, "left")
d.addWidget(mywidget)
area.moveDock(d,"bottom", None)
count = count + 1
d.container().setChildrenCollapsible(False)
if __name__ == '__main__':
import sys
global area
app = QtGui.QApplication([])
win = QMainWindow()
area = DockArea()
win.setCentralWidget(area)
win.resize(1000, 500)
menu = win.menuBar()
AddWidget_act = menu.addAction("AddWidget")
AddWidget_act.triggered.connect(addWidgetToWindow)
AddWidgetHack_act = menu.addAction("AddWidgetHack")
AddWidgetHack_act.triggered.connect(addWidgetToWindowModif)
addWidgetToWindow()
addWidgetToWindow()
win.show()
if (sys.flags.interactive != 1) or not hasattr(QtCore, 'PYQT_VERSION'):
QtGui.QApplication.instance().exec_()
