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import pyqtgraph as pg
from pyqtgraph.Qt import QtCore, QtWidgets
app = pg.mkQApp("GraphicsScene Example")
win = pg.GraphicsView()
win.show()
class Obj(QtWidgets.QGraphicsObject):
def __init__(self):
QtWidgets.QGraphicsObject.__init__(self)
def paint(self, p, *args):
p.setPen(pg.mkPen(200,200,200))
p.drawRect(self.boundingRect())
def boundingRect(self):
return QtCore.QRectF(0, 0, 20, 20)
def mouseClickEvent(self, ev):
if ev.double():
print("double click")
else:
print("click")
ev.accept()
#def mouseDragEvent(self, ev):
#print "drag"
#ev.accept()
#self.setPos(self.pos() + ev.pos()-ev.lastPos())
vb = pg.ViewBox()
win.setCentralItem(vb)
obj = Obj()
vb.addItem(obj)
obj2 = Obj()
win.addItem(obj2)
def clicked():
print("button click")
btn = QtWidgets.QPushButton("BTN")
btn.clicked.connect(clicked)
prox = QtWidgets.QGraphicsProxyWidget()
prox.setWidget(btn)
prox.setPos(100,0)
vb.addItem(prox)
g = pg.GridItem()
vb.addItem(g)
if __name__ == '__main__':
pg.exec()
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