def union(one, other):
"""Returns a new bbox that covers one and other.
Assumes that the positive y direction is DOWN.
"""
left = min(one.left, other.left)
right = max(one.right, other.right)
top = min(one.top, other.top)
bottom = max(one.bottom, other.bottom)
return BBox([[left, top], [right, bottom]])
def drawme(self, diag, pos, flip, tags=tuple()):
"""Draws the Thing."""
p = pos.copy()
# intag is attached to items that should be considered
# inside the box
intag = self.tags[0] + 'inside'
# draw the bindings
for binding in self.bindings:
# check whether the key was already drawn
drawn = binding.key.isdrawn()
# draw the binding
binding.draw(diag, p, flip, tags=tags)
# apply intag to the dots
self.canvas.addtag_withtag(intag, binding.dot.tags)
if drawn:
# if the key was already drawn, then the binding
# contains two dots, so we should add intag to the
# second one.
if binding.dot2:
self.canvas.addtag_withtag(intag, binding.dot2.tags)
else:
# if the key wasn't drawn yet, it should be
# considered inside this mapping
self.canvas.addtag_withtag(intag, binding.key.tags)
# move down to the position for the next binding
p.y = binding.get_bbox().bottom + 1.8
if len(self.bindings):
# if there are any bindings, draw a box around them
bbox = self.canvas.bbox(intag)
item = self.canvas.box(bbox, tags=tags, **self.boxoptions)
else:
# otherwise just draw a box
bbox = BBox([p.copy(), p.copy()])
item = self.canvas.box(bbox, padx=0.4, pady=0.4, tags=tags,
**self.boxoptions)
# make the box clickable
self.bind(item)
self.boxitem = item
# put the label above the box
if self.label:
p = bbox.upperleft()
item = self.canvas.offset_text(p, self.label, anchor=SW,
font=SMALLFONT, tags=tags)
# make the label clickable
self.bind(item)
# if the whole mapping is not in the right position, shift it.
if flip == 1:
dx = pos.x - self.get_bbox().left
else:
dx = pos.x - self.get_bbox().right
self.canvas.move(self.tags, dx, 0, transform=True)
def drawme(self, diag, pos, flip, tags=tuple()):
"""Draws the Thing."""
p = pos.copy()
# intag is attached to items that should be considered
# inside the box
intag = self.tags[0] + 'inside'
# draw the bindings
for binding in self.bindings:
# check whether the key was already drawn
drawn = binding.key.isdrawn()
# draw the binding
binding.draw(diag, p, flip, tags=tags)
# apply intag to the dots
self.canvas.addtag_withtag(intag, binding.dot.tags)
if drawn:
# if the key was already drawn, then the binding
# contains two dots, so we should add intag to the
# second one.
if binding.dot2:
self.canvas.addtag_withtag(intag, binding.dot2.tags)
else:
# if the key wasn't drawn yet, it should be
# considered inside this mapping
self.canvas.addtag_withtag(intag, binding.key.tags)
# move down to the position for the next binding
p.y = binding.get_bbox().bottom + 1.8
if len(self.bindings):
# if there are any bindings, draw a box around them
bbox = self.canvas.bbox(intag)
item = self.canvas.box(bbox, tags=tags, **self.boxoptions)
else:
# otherwise just draw a box
bbox = BBox([p.copy(), p.copy()])
item = self.canvas.box(bbox,
padx=0.4,
pady=0.4,
tags=tags,
**self.boxoptions)
# make the box clickable
self.bind(item)
self.boxitem = item
# put the label above the box
if self.label:
p = bbox.upperleft()
item = self.canvas.offset_text(p,
self.label,
anchor=SW,
font=SMALLFONT,
tags=tags)
# make the label clickable
self.bind(item)
# if the whole mapping is not in the right position, shift it.
if flip == 1:
dx = pos.x - self.get_bbox().left
else:
dx = pos.x - self.get_bbox().right
self.canvas.move(self.tags, dx, 0, transform=True)