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
|
#!/usr/bin/env python3
'''
xpybar – xmobar replacement written in python
Copyright © 2014, 2015, 2016, 2017, 2018 Mattias Andrée (maandree@kth.se)
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/>.
'''
import os, subprocess
import Xlib.display, Xlib.Xatom, Xlib.ext.randr, Xlib.X
display = None
'''
The connection the X display
'''
screen = None
'''
The screen the panel is placed in
'''
screen_i = None
'''
The index of the screen `screen`
'''
def open_x(screen_no = None):
'''
Open connection the X and select screen
@param screen_no:int? The index of the screen to use, `None` for default
'''
global display, screen, screen_i
display = Xlib.display.Display()
screen_i = screen_no if screen_no is not None else display.get_default_screen()
screen = display.screen(screen_i)
def get_monitors():
'''
Returns the pixel size and position of the monitors in the screen
@return :list<(width:int, height:int, left:int, top:int)>
The width, height, left position and top position of each
monitor, starting with the primary output
'''
global screen_i
p = subprocess.Popen(['xrandr'], stdout = subprocess.PIPE)
p = p.communicate()[0].decode('utf-8', 'replace')
s = -1
rc = []
prim = None
for line in p.split('\n'):
if line.startswith('Screen '):
s = int(line[len('Screen '):].split(':')[0])
elif s == screen_i:
if ' connected ' in line:
try:
m = line.replace('-', '+-').replace('++', '+')
p = ' primary ' in m
m = m.replace(' primary ', ' ')
m = m.split(' ')[2].replace('+', 'x').split('x')
m = [int(x) for x in m]
if p and (prim is None):
prim = m
else:
rc.append(m)
except:
pass # Output not used
if prim is not None:
rc = [prim] + rc
return rc
def get_display():
'''
Returns the X display
'''
global display
return display
def get_screen():
'''
Returns the X screen
'''
global screen
return screen
def get_event_mask():
'''
For `create_panel`, return which events should be caught
@return :int Mask of events that should be caught
'''
return (Xlib.X.StructureNotifyMask |
Xlib.X.ButtonPressMask |
Xlib.X.ButtonReleaseMask |
Xlib.X.ExposureMask)
def get_override_redirect():
'''
For `create_panel`, figure out whether override_redirect should be set
@return :bool Whether override_redirect should be set
'''
if 'DESKTOP_SESSION' in os.environ:
desktop = os.environ['DESKTOP_SESSION']
if desktop in ('xmonad',):
return False
return True
def create_panel(width, height, left, ypos, panel_height, at_top):
'''
Create a docked panel, not mapped yet
@param width:int The width of the output
@param height:int The height of the output
@param left:int The left position of the output
@param ypos:int The position of the panel in relation to either the top or bottom edge of the output
@param panel_height:int The height of the panel
@param at_top:bool Whether the panel is to be docked to the top of the output, otherwise to the bottom
@return The window
'''
global display, screen
ypos = ypos if at_top else (height - ypos - panel_height)
window = screen.root.create_window(left, ypos, width, panel_height, 0,
Xlib.X.CopyFromParent,
Xlib.X.InputOutput,
Xlib.X.CopyFromParent,
event_mask = get_event_mask(),
colormap = Xlib.X.CopyFromParent,
override_redirect = get_override_redirect())
top_ = lambda x, y, w, h : [0, 0, y + h, 0, 0, 0, 0, 0, x, x + w, 0, 0]
bottom_ = lambda x, y, w, h : [0, 0, 0, y + h, 0, 0, 0, 0, 0, 0, x, x + w]
window.set_wm_name('xpybar')
window.set_wm_icon_name('xpybar')
window.set_wm_class('bar', 'xpybar')
window.set_wm_client_machine(os.uname().nodename)
position = (top_ if at_top else bottom_)(left, ypos, width, panel_height)
_CARD = display.intern_atom("CARDINAL")
_PSTRUT = display.intern_atom("_NET_WM_STRUT_PARTIAL")
_STRUT = display.intern_atom("_NET_WM_STRUT")
_DESKTOP = display.intern_atom("_NET_WM_DESKTOP")
_PID = display.intern_atom("_NET_WM_PID")
window.change_property(_PSTRUT, _CARD, 32, position)
window.change_property(_STRUT, _CARD, 32, position[:4])
window.change_property(_DESKTOP, _CARD, 32, [0xFFFFFFFF])
window.change_property(_PID, _CARD, 32, [os.getpid()])
_ATOM = display.intern_atom("ATOM")
_TYPE = display.intern_atom("_NET_WM_WINDOW_TYPE")
_DOCK = display.intern_atom("_NET_WM_WINDOW_TYPE_DOCK")
window.change_property(_TYPE, _ATOM, 32, [_DOCK])
return window
def draw_text(window, gc, x, y, text):
'''
Draw a text on a window
@param window The window
@param gc The window's graphics context
@param x:int The left position of the text
@param y:int The Y position of the bottom of the text
@param text:str The text to draw
'''
text_ = text.encode('utf-16')[2:]
text = []
for i in range(len(text_)):
if (i & 1) == 0:
text.append(text_[i])
else:
text[-1] |= text_[i] << 8
window.image_text_16(gc, x, y, text)
def close_x():
'''
Closes the connection to X, but flushes it first
'''
global display
display.flush()
display.close()
|
