canvas3d.py 文件源码

def mousePressEvent(self, event):
        if self.isPanning or self.isRotating:
            self.setCursor(Qt.ClosedHandCursor)
        elif event.button() == Qt.LeftButton:
            clicked, offset, tol = self.getClickedDetails(event)
            xyForZ = {}
            for shape in self.shapes:
                hit = False
                z = shape.axis3_start_mill_depth
                if z not in xyForZ:
                    xyForZ[z] = self.determineSelectedPosition(clicked, z, offset)
                hit |= shape.isHit(xyForZ[z], tol)

                if not hit:
                    z = shape.axis3_mill_depth
                    if z not in xyForZ:
                        xyForZ[z] = self.determineSelectedPosition(clicked, z, offset)
                    hit |= shape.isHit(xyForZ[z], tol)

                if self.isMultiSelect and shape.selected:
                    hit = not hit

                if hit != shape.selected:
                    g.window.TreeHandler.updateShapeSelection(shape, hit)

                shape.selected = hit

            self.update()
        self._lastPos = event.pos()