def __init__(self, parent):
super(DirectView, self).__init__(parent)
self.left_right = 50
self.top_bottom = 50
self.scene_left = -100
self.scene_right = -100
self.scene = QtGui.QGraphicsScene(self)
self.scene.setSceneRect(-100, -100, 200, 200)
self.point = DirectPoint()
self.point.setPos(0, 0)
self.scene.addItem(self.point)
self.setScene(self.scene)
self.setBackgroundBrush(QtGui.QBrush(QtCore.Qt.green))
self.setViewportUpdateMode(QtGui.QGraphicsView.BoundingRectViewportUpdate)
class DirectView(QtGui.QGraphicsView):
def __init__(self, parent):
super(DirectView, self).__init__(parent)
self.left_right = 50
self.top_bottom = 50
self.scene_left = -100
self.scene_right = -100
self.scene = QtGui.QGraphicsScene(self)
self.scene.setSceneRect(-100, -100, 200, 200)
self.point = DirectPoint()
self.point.setPos(0, 0)
self.scene.addItem(self.point)
self.setScene(self.scene)
self.setBackgroundBrush(QtGui.QBrush(QtCore.Qt.green))
self.setViewportUpdateMode(QtGui.QGraphicsView.BoundingRectViewportUpdate)
def resizeEvent(self, event):
self.scene_left = -self.viewport().width() / 2
self.scene_right = -self.viewport().height() / 2
self.scene.setSceneRect(self.scene_left, self.scene_right, self.viewport().width(), self.viewport().height())
def setPosition(self, lr, tb):
self.left_right = int(lr * 100 / self.viewport().width())
self.top_bottom = int(tb * 100 / self.viewport().height())
self.point.setPos(lr + self.scene_left, tb + self.scene_right)
self.result()
def mousePressEvent(self, event):
self.setPosition(event.x(), event.y())
def mouseReleaseEvent(self, event):
self.setPosition(self.viewport().width() / 2, self.viewport().height() / 2)
def mouseMoveEvent(self, event):
self.setPosition(event.x(), event.y())
def result(self):
print "left-right:", self.left_right, "top-bottom", self.top_bottom