85 lines
2.2 KiB
Python
85 lines
2.2 KiB
Python
|
from __future__ import annotations
|
||
|
|
|
||
|
|
from urwid.canvas import CompositeCanvas, SolidCanvas
|
||
|
|
|
||
|
|
from .constants import Sizing
|
||
|
|
from .widget import Widget
|
||
|
|
|
||
|
|
|
||
|
|
class Divider(Widget):
|
||
|
|
"""
|
||
|
|
Horizontal divider widget
|
||
|
|
"""
|
||
|
|
|
||
|
|
_sizing = frozenset([Sizing.FLOW])
|
||
|
|
|
||
|
|
ignore_focus = True
|
||
|
|
|
||
|
|
def __init__(
|
||
|
|
self,
|
||
|
|
div_char: str | bytes = " ",
|
||
|
|
top: int = 0,
|
||
|
|
bottom: int = 0,
|
||
|
|
) -> None:
|
||
|
|
"""
|
||
|
|
:param div_char: character to repeat across line
|
||
|
|
:type div_char: bytes or unicode
|
||
|
|
|
||
|
|
:param top: number of blank lines above
|
||
|
|
:type top: int
|
||
|
|
|
||
|
|
:param bottom: number of blank lines below
|
||
|
|
:type bottom: int
|
||
|
|
|
||
|
|
>>> Divider()
|
||
|
|
<Divider flow widget>
|
||
|
|
>>> Divider(u'-')
|
||
|
|
<Divider flow widget '-'>
|
||
|
|
>>> Divider(u'x', 1, 2)
|
||
|
|
<Divider flow widget 'x' bottom=2 top=1>
|
||
|
|
"""
|
||
|
|
super().__init__()
|
||
|
|
self.div_char = div_char
|
||
|
|
self.top = top
|
||
|
|
self.bottom = bottom
|
||
|
|
|
||
|
|
def _repr_words(self):
|
||
|
|
return super()._repr_words() + [repr(self.div_char)] * (self.div_char != " ")
|
||
|
|
|
||
|
|
def _repr_attrs(self):
|
||
|
|
attrs = dict(super()._repr_attrs())
|
||
|
|
if self.top:
|
||
|
|
attrs["top"] = self.top
|
||
|
|
if self.bottom:
|
||
|
|
attrs["bottom"] = self.bottom
|
||
|
|
return attrs
|
||
|
|
|
||
|
|
def rows(self, size: tuple[int], focus: bool = False) -> int:
|
||
|
|
"""
|
||
|
|
Return the number of lines that will be rendered.
|
||
|
|
|
||
|
|
>>> Divider().rows((10,))
|
||
|
|
1
|
||
|
|
>>> Divider(u'x', 1, 2).rows((10,))
|
||
|
|
4
|
||
|
|
"""
|
||
|
|
(maxcol,) = size
|
||
|
|
return self.top + 1 + self.bottom
|
||
|
|
|
||
|
|
def render(self, size: tuple[int], focus: bool = False):
|
||
|
|
"""
|
||
|
|
Render the divider as a canvas and return it.
|
||
|
|
|
||
|
|
>>> Divider().render((10,)).text # ... = b in Python 3
|
||
|
|
[...' ']
|
||
|
|
>>> Divider(u'-', top=1).render((10,)).text
|
||
|
|
[...' ', ...'----------']
|
||
|
|
>>> Divider(u'x', bottom=2).render((5,)).text
|
||
|
|
[...'xxxxx', ...' ', ...' ']
|
||
|
|
"""
|
||
|
|
(maxcol,) = size
|
||
|
|
canv = CompositeCanvas(SolidCanvas(self.div_char, maxcol, 1))
|
||
|
|
if self.top or self.bottom:
|
||
|
|
canv.pad_trim_top_bottom(self.top, self.bottom)
|
||
|
|
return canv
|