1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
class Bar(object):
left = None
right = None
gap = None
def __init__(self, base_color_tag):
self.left = BarSide(base_color_tag)
self.right = BarSide(base_color_tag)
self.gap = BarSide(base_color_tag)
def add(self, *a, **kw):
self.left.add(*a, **kw)
def addright(self, *a, **kw):
self.right.add(*a, **kw)
def sumsize(self):
return self.left.sumsize() + self.right.sumsize()
def fixedsize(self):
return self.left.fixedsize() + self.right.fixedsize()
def shrink_by_removing(self, wid):
leftsize = self.left.sumsize()
rightsize = self.right.sumsize()
sumsize = leftsize + rightsize
# remove elemets from the left until it fits
if sumsize > wid:
while len(self.left) > 0:
leftsize -= len(self.left.pop(-1).string)
if leftsize + rightsize <= wid:
break
sumsize = leftsize + rightsize
# remove elemets from the right until it fits
if sumsize > wid:
while len(self.right) > 0:
rightsize -= len(self.right.pop(0).string)
if leftsize + rightsize <= wid:
break
sumsize = leftsize + rightsize
if sumsize < wid:
self.fill_gap(' ', (wid - sumsize), gapwidth=True)
def shrink_by_cutting(self, wid):
fixedsize = self.fixedsize()
if wid < fixedsize:
raise ValueError("Cannot shrink down to that size by cutting")
leftsize = self.left.sumsize()
rightsize = self.right.sumsize()
nonfixed_items = self.left.nonfixed_items()
itemsize = int(float(wid - rightsize - fixedsize) / nonfixed_items) + 1
for item in self.left:
if not item.fixed:
item.cut_off_to(itemsize)
self.fill_gap(' ', wid, gapwidth=False)
def fill_gap(self, char, wid, gapwidth=False):
del self.gap[:]
if not gapwidth:
wid = wid - self.sumsize()
if wid > 0:
self.gap.add(char * wid, 'space')
def combine(self):
return self.left + self.gap + self.right
class BarSide(list):
def __init__(self, base_color_tag):
self.base_color_tag = base_color_tag
def add(self, string, *lst, **kw):
cs = ColoredString(string, self.base_color_tag, *lst)
cs.__dict__.update(kw)
self.append(cs)
def add_space(self, n=1):
self.add(' ' * n, 'space')
def sumsize(self):
return sum(len(item) for item in self)
def fixedsize(self):
n = 0
for item in self:
if item.fixed:
n += len(item)
else:
n += 1
return n
def nonfixed_items(self):
return sum(1 for item in self if not item.fixed)
class ColoredString(object):
def __init__(self, string, *lst):
self.string = string
self.lst = lst
self.fixed = False
def cut_off(self, n):
n = max(n, min(len(self.string), 1))
self.string = self.string[:-n]
def cut_off_to(self, n):
self.string = self.string[:n]
def __len__(self):
return len(self.string)
def __str__(self):
return self.string
|