-
Notifications
You must be signed in to change notification settings - Fork 110
/
ibattery.py
272 lines (244 loc) · 7.89 KB
/
ibattery.py
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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
"""
a widget that displays a nice battery icon using cairo
it is similiar to the one in ios 16.
Use:
1. import it to your qtile config.py as follows:
from ibattery import Battery as MyBattery
2. add it to your widget list in your bar:
MyBattery(),
requirements: psutil (used to gather info about the battery.)
optional: dbus-next (used to send notification.)
"""
from libqtile.widget import base
from libqtile.log_utils import logger
from libqtile.utils import send_notification
from libqtile import bar
import math
import cairocffi as cairo
import psutil
class Battery(base._Widget):
"""A widget to display a nice battery.
requirements: psutil
optional: dbus-next (used to send notification).
"""
orientations = base.ORIENTATION_HORIZONTAL
defaults = [
(
"padding",
4,
"padding on either side of of the widget."
),
(
"foreground",
"ffffff",
"Battery color in normal mode."
),
(
"charging_fg",
"02a724",
"foreground color when battery is charging."
),
(
"update_interval",
30,
"time to wait until the widgets refreshes."
),
(
"low_foreground",
"ff0000",
"change color when battery is low."
),
(
"warn_below",
10,
"battery level to indicate battery is low."
),
(
"notify",
False,
"send a notification when battery is low."
),
(
"notification_timeout",
10,
"time in seconds to display notification."
),
(
"size",
(16, 30),
"Size of the widget. takes a tuple: (height, width). "
),
(
"font_size",
12,
"font size of the numbers inside the battery."
),
]
def __init__(self, **config):
base._Widget.__init__(self, bar.CALCULATED, **config)
self.add_defaults(Battery.defaults)
self.HEIGHT, self.BAR_WIDTH = self.size # battery bar
self.widget_width = self.BAR_WIDTH + 6
self.length = self.padding * 2 + self.widget_width
self._has_notified = False
self.timeout = int(self.notification_timeout * 1000)
self._foreground = self.foreground
def _notify(self, percent):
if not self._has_notified:
send_notification(
"Warning",
f"Battery at {percent}%\ncharge me baby!",
urgent=True,
timeout=self.timeout
)
self._has_notified = True
else:
self._has_notified = False
def update(self):
percent, charging = self.get_bat()
if self.notify and percent < self.warn_below:
self._notify(percent)
self.configure_(percent, charging)
self.draw_battery(percent, charging)
def configure_(self, percent, plugged):
if plugged:
self.foreground = self.charging_fg
elif percent <= self.warn_below:
self.foreground = self.low_foreground
else:
self.foreground = self._foreground
def calculate_length(self):
if self.bar.horizontal:
return (self.padding * 2) + self.widget_width
else:
return 0
def draw(self):
percent, charging = self.get_bat()
self.configure_(percent, charging)
self.draw_battery(percent, charging)
def draw_battery(self, percent, charging):
self.drawer.clear(self.background or self.bar.background)
if self.bar.horizontal:
PERCENT = self.BAR_WIDTH / 100 * percent
y_margin = (self.bar.height - self.HEIGHT) / 2
self.drawer.set_source_rgb("8c8c8c")
self._fill_body(
1 + self.padding,
y_margin,
width=self.BAR_WIDTH,
height=self.HEIGHT,
linewidth=1,
aspect=0.8
)
self.drawer.set_source_rgb(self.foreground)
self._border(
1 + self.padding,
y_margin,
width=self.BAR_WIDTH,
height=self.HEIGHT,
linewidth=2.6,
aspect=0.8
)
if percent <= self.warn_below:
self.drawer.set_source_rgb(self.low_foreground)
else:
self.drawer.set_source_rgb(self.foreground if charging else "ff8c1a")
self._fill_body(
2 + self.padding,
y_margin,
width=max(PERCENT, self.BAR_WIDTH / 100 * 10),
height=self.HEIGHT,
linewidth=1,
aspect=0.8
)
self.drawer.set_source_rgb("000000")
self._border(
1 + self.padding,
y_margin,
width=self.BAR_WIDTH,
height=self.HEIGHT,
linewidth=0.6,
aspect=0.8
)
self.drawer.set_source_rgb(self.foreground)
self._fill_body(
self.BAR_WIDTH - 2 + self.padding,
y_margin + 1.5,
width=7.5,
height=self.HEIGHT - 3,
linewidth=5,
aspect=5.0
)
self.drawer.ctx.select_font_face(
"sans", cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD
)
bar_center = self.BAR_WIDTH / 2
text = str(percent)
self.drawer.ctx.set_font_size(self.font_size)
(x, y, width, height, dx, dy) = self.drawer.ctx.text_extents(text)
self.drawer.ctx.move_to(
bar_center - 10 + self.padding,
(self.bar.height + height) / 2
)
self.drawer.set_source_rgb("ffffff")
self.drawer.ctx.show_text(text)
self.drawer.draw(
offsetx=self.offset,
offsety=self.offsety,
width=self.length
)
def get_bat(self):
battery = psutil.sensors_battery()
try:
plugged = battery.power_plugged
except AttributeError:
logger.exception("No Battery was found.")
percent = int(battery.percent)
return (percent, plugged)
def _rounded_body(self, x, y, width, height, linewidth, aspect):
aspect = aspect
corner_radius = height / 5.0
radius = corner_radius / aspect
degrees = math.pi / 180.0
self.drawer.ctx.new_sub_path()
delta = radius + linewidth / 2
self.drawer.ctx.arc(
x + width - delta,
y + delta,
radius,
-90 * degrees,
0 * degrees
)
self.drawer.ctx.arc(
x + width - delta,
y + height - delta,
radius,
0 * degrees,
90 * degrees
)
self.drawer.ctx.arc(
x + delta,
y + height - delta,
radius,
90 * degrees,
180 * degrees
)
self.drawer.ctx.arc(
x + delta,
y + delta,
radius,
180 * degrees,
270 * degrees
)
self.drawer.ctx.close_path()
def _border(self, x, y, width, height, linewidth, aspect):
self._rounded_body(x, y, width, height, linewidth, aspect)
self.drawer.ctx.set_line_width(linewidth)
self.drawer.ctx.stroke()
def _fill_body(self, x, y, width, height, linewidth, aspect):
self._rounded_body(x, y, width, height, linewidth, aspect)
self.drawer.ctx.fill()
def timer_setup(self):
self.update()
if self.update_interval is not None:
self.timeout_add(self.update_interval, self.timer_setup)