41 lines
1.0 KiB
Python
41 lines
1.0 KiB
Python
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class GridConstraints:
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def __init__(x, y, width, height):
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self.x = x
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self.y = y
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self.width = width
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self.height = height
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class GridLayout:
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def __init__(self, rows, cols):
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self._rows = rows
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self._cols = cols
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self._constraints = {}
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def set_constraints(component, constraints):
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self._constraints[component] = constraints
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def _get_geometry(self, container, component):
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constraints = self._constraints[component]
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if constraints:
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x = constraints.x * component.props.width / self._rows
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y = constraints.y * component.props.height / self._cols
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width = constraints.width * component.props.width / self._rows
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height = constraints.height * component.props.height / self._cols
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return [x, y, width, height]
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else:
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return [0, 0, 0, 0]
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def layout_canvas_group(group):
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i = 0
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while i < group.get_n_children():
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item = group.get_child(i)
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[x, y, width, height] = self._get_geometry(group, item)
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item.props.x = x
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item.props.y = y
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item.props.width = width
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item.props.height = height
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