Source code for enable.layout.utils
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STRENGTHS = set(["required", "strong", "medium", "weak"])
[docs]def add_symbolic_constraints(namespace):
""" Add constraints to a namespace that are LinearExpressions of basic
constraints.
"""
bottom = namespace.bottom
left = namespace.left
width = namespace.layout_width
height = namespace.layout_height
namespace.right = left + width
namespace.top = bottom + height
namespace.h_center = left + width / 2.0
namespace.v_center = bottom + height / 2.0
[docs]def add_symbolic_contents_constraints(namespace):
""" Add constraints to a namespace that are LinearExpressions of basic
constraints.
"""
left = namespace.contents_left
right = namespace.contents_right
top = namespace.contents_top
bottom = namespace.contents_bottom
namespace.contents_width = right - left
namespace.contents_height = top - bottom
namespace.contents_v_center = bottom + namespace.contents_height / 2.0
namespace.contents_h_center = left + namespace.contents_width / 2.0
[docs]def get_from_constraints_namespace(self, name):
""" Property getter for all attributes that come from the constraints
namespace.
"""
return getattr(self._constraints_vars, name)