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T-junction box drawing characters

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Fix #16
This commit is contained in:
Kovid Goyal 2017-01-08 20:13:35 +05:30
parent 45d3e5a623
commit b1f180b222
1 changed files with 22 additions and 1 deletions
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23
kitty/fonts/box_drawing.py
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@ -94,6 +94,18 @@ def corner(*a, hlevel=1, vlevel=1, which=None):
half_vline(*a, level=vlevel, which=wv)
def vert_t(*args, a=1, b=1, c=1, which=None):
half_vline(*args, level=a, which='top')
half_hline(*args, level=b, which='left' if which == '┤' else 'right')
half_vline(*args, level=c, which='bottom')
def horz_t(*args, a=1, b=1, c=1, which=None):
half_hline(*args, level=a, which='left')
half_hline(*args, level=b, which='right')
half_vline(*args, level=c, which='top' if which == '┴' else 'bottom')
box_chars = {
'─': [hline],
'━': [p(hline, level=3)],
@ -114,10 +126,19 @@ box_chars = {
'┌': [p(corner, '┌')],
}
t, f = 1, 3
for start in '┌┐└┘':
for i, (hlevel, vlevel) in enumerate(((1, 1), (3, 2), (2, 3), (3, 3))):
for i, (hlevel, vlevel) in enumerate(((t, t), (f, t), (t, f), (t, f))):
box_chars[chr(ord(start) + i)] = [p(corner, which=start, hlevel=hlevel, vlevel=vlevel)]
for starts, func, pattern in (
('├┤', vert_t, ((t, t, t), (t, f, t), (f, t, t), (t, t, f), (f, t, f), (f, f, t), (t, f, f), (f, f, f))),
('┬┴', horz_t, ((t, t, t), (f, t, t), (t, f, t), (f, f, t), (t, t, f), (f, t, f), (t, f, f), (f, f, f))),
):
for start in starts:
for i, (a, b, c) in enumerate(pattern):
box_chars[chr(ord(start) + i)] = [p(func, which=start, a=a, b=b, c=c)]
is_renderable_box_char = box_chars.__contains__