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Get rid of the option to use the system wcwidth

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The system wcwidth() is often wrong. Not to mention that if you SSH into
a different machine, then you have a potentially different wcwidth. The
only sane way to deal with this is to use the unicode standard.
This commit is contained in:
Kovid Goyal
2018-02-04 21:02:30 +05:30
parent 452ff02b15
commit fc7ec1d3f7
16 changed files with 48 additions and 82 deletions
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30
kitty_tests/fonts.py
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@@ -6,7 +6,7 @@ from collections import OrderedDict
from kitty.constants import is_macos
from kitty.fast_data_types import (
change_wcwidth, set_logical_dpi, set_send_sprite_to_gpu,
set_logical_dpi, set_send_sprite_to_gpu,
sprite_map_set_layout, sprite_map_set_limits, test_render_line,
test_sprite_position_for, wcwidth
)
@@ -72,21 +72,17 @@ class Rendering(BaseTest):
self.ae(len(cells), sz)
def test_shaping(self):
change_wcwidth(True)
try:
def groups(text, path=None):
return [x[:2] for x in shape_string(text, path=path)]
def groups(text, path=None):
return [x[:2] for x in shape_string(text, path=path)]
self.ae(groups('abcd'), [(1, 1) for i in range(4)])
self.ae(groups('A=>>B!=C', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (3, 3), (1, 1), (2, 2), (1, 1)])
self.ae(groups('==!=<>==<><><>', path='kitty_tests/FiraCode-Medium.otf'), [(2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2)])
colon_glyph = shape_string('9:30', path='kitty_tests/FiraCode-Medium.otf')[1][2]
self.assertNotEqual(colon_glyph, shape_string(':', path='kitty_tests/FiraCode-Medium.otf')[0][2])
self.ae(colon_glyph, 998)
self.ae(groups('9:30', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (1, 1), (1, 1), (1, 1)])
self.ae(groups('|\U0001F601|\U0001F64f|\U0001F63a|'), [(1, 1), (2, 1), (1, 1), (2, 1), (1, 1), (2, 1), (1, 1)])
self.ae(groups('He\u0347\u0305llo\u0337,', path='kitty_tests/LiberationMono-Regular.ttf'),
[(1, 1), (1, 3), (1, 1), (1, 1), (1, 2), (1, 1)])
finally:
change_wcwidth(False)
self.ae(groups('abcd'), [(1, 1) for i in range(4)])
self.ae(groups('A=>>B!=C', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (3, 3), (1, 1), (2, 2), (1, 1)])
self.ae(groups('==!=<>==<><><>', path='kitty_tests/FiraCode-Medium.otf'), [(2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2), (2, 2)])
colon_glyph = shape_string('9:30', path='kitty_tests/FiraCode-Medium.otf')[1][2]
self.assertNotEqual(colon_glyph, shape_string(':', path='kitty_tests/FiraCode-Medium.otf')[0][2])
self.ae(colon_glyph, 998)
self.ae(groups('9:30', path='kitty_tests/FiraCode-Medium.otf'), [(1, 1), (1, 1), (1, 1), (1, 1)])
self.ae(groups('|\U0001F601|\U0001F64f|\U0001F63a|'), [(1, 1), (2, 1), (1, 1), (2, 1), (1, 1), (2, 1), (1, 1)])
self.ae(groups('He\u0347\u0305llo\u0337,', path='kitty_tests/LiberationMono-Regular.ttf'),
[(1, 1), (1, 3), (1, 1), (1, 1), (1, 2), (1, 1)])