41 lines
1.2 KiB
Python
41 lines
1.2 KiB
Python
from typing import cast
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from fabric.utils import cairo, math
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from fabric.widgets.box import Box
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class ClippingBox(Box):
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@staticmethod
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def render_shape(cr: cairo.Context, width: int, height: int, radius: int = 0):
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cr.move_to(radius, 0)
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cr.line_to(width - radius, 0)
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cr.arc(width - radius, radius, radius, -(math.pi / 2), 0)
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cr.line_to(width, height - radius)
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cr.arc(width - radius, height - radius, radius, 0, (math.pi / 2))
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cr.line_to(radius, height)
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cr.arc(radius, height - radius, radius, (math.pi / 2), math.pi)
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cr.line_to(0, radius)
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cr.arc(radius, radius, radius, math.pi, (3 * (math.pi / 2)))
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return cr.close_path()
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def do_draw(self, cr: cairo.Context):
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cr.save()
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ClippingBox.render_shape(
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cr,
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self.get_allocated_width(),
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self.get_allocated_height(),
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cast(
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int,
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self.get_style_context().get_property(
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"border-radius", self.get_state_flags()
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),
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),
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)
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cr.clip()
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Box.do_draw(self, cr)
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cr.restore()
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return True
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