def __init__(self, grScene, parent=None):
super().__init__(parent)
self.grScene = grScene
self.initUI()
self.setScene(self.grScene)
self.mode = MODE_NOOP
self.editingFlag = False
self.rubberBandDraggingRectangle = False
self.zoomInFactor = 1.25 # 放大系数
self.zoomClamp = True # 变焦
self.zoom = 10
self.zoomStep = 1
self.zoomRange = [0, 10]
# cutline 切割线/剪切线
self.cutline = QDMCutLine()
self.grScene.addItem(self.cutline)
# listeners
self._drag_enter_listeners = []
self._drop_listeners = []
def __init__(self, grScene: 'QDMGraphicsScene', parent: 'QWidget' = None):
"""
:param grScene: reference to the :class:`~nodeeditor.node_graphics_scene.QDMGraphicsScene`
:type grScene: :class:`~nodeeditor.node_graphics_scene.QDMGraphicsScene`
:param parent: parent widget
:type parent: ``QWidget``
:Instance Attributes:
- **grScene** - reference to the :class:`~nodeeditor.node_graphics_scene.QDMGraphicsScene`
- **mode** - state of the `Graphics View`
- **zoomInFactor**- ``float`` - zoom step scaling, default 1.25
- **zoomClamp** - ``bool`` - do we clamp zooming or is it infinite?
- **zoom** - current zoom step
- **zoomStep** - ``int`` - the relative zoom step when zooming in/out
- **zoomRange** - ``[min, max]``
"""
super().__init__(parent)
self.grScene = grScene
self.initUI()
self.setScene(self.grScene)
self.mode = MODE_NOOP
self.editingFlag = False
self.rubberBandDraggingRectangle = False
# edge dragging
self.dragging = EdgeDragging(self)
# edges re-routing
self.rerouting = EdgeRerouting(self)
# drop a node on an existing edge
self.edgeIntersect = EdgeIntersect(self)
# edge snapping
self.snapping = EdgeSnapping(self,
snapping_radius=EDGE_SNAPPING_RADIUS)
# cutline
self.cutline = QDMCutLine()
self.grScene.addItem(self.cutline)
self.last_scene_mouse_position = QPoint(0, 0)
self.zoomInFactor = 1.25
self.zoomClamp = True
self.zoom = 10
self.zoomStep = 1
self.zoomRange = [0, 10]
# listeners
self._drag_enter_listeners = []
self._drop_listeners = []
def __init__(self, grScene: 'QDMGraphicsScene', parent: 'QWidget' = None):
"""
:param grScene: reference to the :class:`~nodeeditor.node_graphics_scene.QDMGraphicsScene`
:type grScene: :class:`~nodeeditor.node_graphics_scene.QDMGraphicsScene`
:param parent: parent widget
:type parent: ``QWidget``
:Instance Attributes:
- **grScene** - reference to the :class:`~nodeeditor.node_graphics_scene.QDMGraphicsScene`
- **mode** - state of the `Graphics View`
- **zoomInFactor**- ``float`` - zoom step scaling, default 1.25
- **zoomClamp** - ``bool`` - do we clamp zooming or is it infinite?
- **zoom** - current zoom step
- **zoomStep** - ``int`` - the relative zoom step when zooming in/out
- **zoomRange** - ``[min, max]``
"""
super().__init__(parent)
self.grScene = grScene
self.initUI()
self.setScene(self.grScene)
self.mode = MODE_NOOP
self.editingFlag = False
self.rubberBandDraggingRectangle = False
self.zoomInFactor = 1.25
self.zoomClamp = True
self.zoom = 10
self.zoomStep = 1
self.zoomRange = [0, 10]
# cutline
self.cutline = QDMCutLine()
self.grScene.addItem(self.cutline)
# listeners
self._drag_enter_listeners = []
self._drop_listeners = []
def __init__(self, grScene, parent=None):
super().__init__(parent)
self.grScene = grScene
self.initUI()
self.setScene(self.grScene)
self.mode = MODE_NOOP
self.editingFlag = False
self.rubberBandDraggingRectangle = False
self.zoomInFactor = 1.25
self.zoomClamp = True
self.zoom = 10
self.zoomStep = 1
self.zoomRange = [0, 10]
# cutline
self.cutline = QDMCutLine()
self.grScene.addItem(self.cutline)