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A special type of canvas which knows how to handle ConnectedBox objects.
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Methods
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__init__
disable_rubber_band
enable_rubber_band_end
enable_rubber_band_start
move_rubber_band
print_graph
register_node
toggle_rubber_band
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__init__
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__init__ (
self,
parent=None,
enabled_color='green',
rubber_band_color='black',
**kw,
)
Create ConnectingCanvas.
Arguments
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parent The parent widget for the canvas.
-
enabled_color Color for rubber band when the
Connection can be made.
-
rubber_band_color Normal color for the rubber band.
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disable_rubber_band
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disable_rubber_band ( self, event=None )
Turn off the rubber band.
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enable_rubber_band_end
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enable_rubber_band_end (
self,
event=None,
h=None,
)
Stop the enable-rubber-band
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enable_rubber_band_start
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enable_rubber_band_start (
self,
event=None,
h=None,
)
Start enabling the rubber band.
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move_rubber_band
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move_rubber_band ( self, event )
Move the points of the rubber band to be consistent with the motion event.
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print_graph
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print_graph ( self )
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register_node
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register_node ( self, node )
Register a node on the canvas.
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toggle_rubber_band
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toggle_rubber_band (
self,
event,
h=None,
)
Toggles the rubber band state.
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