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 Mattias Andrée (maandree@member.fsf.org)
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 Xlib.display, Xlib.Xatom, Xlib.ext.randr, Xlib.X
from x import *
global OUTPUT, HEIGHT, YPOS, TOP, FONT, BACKGROUND, FOREGROUND
global dislay, outputs, redraw, Bar, start, stop
OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 0, True
FONT = '-misc-fixed-*-*-*-*-10-*-*-*-*-*-*-*'
BACKGROUND, FOREGROUND = (0, 0, 0), (192, 192, 192)
def redraw():
'''
Invoked when redraw is needed, feel free to replace it completely
'''
global bar
bar.clear()
def start():
'''
Invoked when it is time to create panels and map them,
feel free to replace it completely
'''
global bar
bar = Bar(OUTPUT, HEIGHT, YPOS, TOP, FONT, BACKGROUND, FOREGROUND)
bar.map()
def stop():
'''
Invoked when it is time to unmap the panels,
feel free to replace it completely
'''
global bar
bar.unmap()
class Bar:
'''
Docked panel
@variable window The X window
@variable gc The window's graphics context
@variable cmap The window's colour map
@variable width:int The output's pixel width
@variable height:int The output's pixel height
@variable left:int The output's left position
@variable ypos:int The position of the panel in relation to either the top or bottom edge of the output
@variable panel_height:int The panel's height
@variable at_top:bool Whether the panel is to be docked to the top of the output, otherwise to the bottom
@variable background The default background
@variable foreground The default foreground
@variable font The default font
@variable font_metrics The default font's metrics
@variable font_height:int The height of the default font
'''
def __init__(self, output, height, ypos, top, font, background, foreground):
'''
Constructor
@param output:int The index of the output within the screen as printed by xrandr, except primary is first
@param height:int The height of the panel
@param ypos:int The position of the panel in relation the either the top or bottom edge of the output
@param top:int Whether the panel is to be docked to the top of the output, otherwise to the bottom
@param font:str The default font
@param background:(red:int, green:int, blue:int) The default background
@param foreground:(red:int, green:int, blue:int) The default foreground
'''
## Panel position
pos = outputs[output][:3] + [ypos, height, top]
self.width, self.height, self.left, self.ypos, self.panel_height, self.at_top = pos
## Create window and create/fetch resources
self.window = create_panel(*pos)
self.gc = self.window.create_gc()
self.cmap = self.window.get_attributes().colormap
## Graphics variables
self.background = self.create_colour(*background)
self.foreground = self.create_colour(*foreground)
(self.font, self.font_metrics, self.font_height) = self.create_font(font)
def map(self):
'''
Map the window
'''
self.window.map()
display.flush()
def unmap(self):
'''
Unmap the window
'''
self.window.unmap()
def text_width(self, text):
'''
Get the width of a text
@param text:str The text
@return :int The width of the text
'''
return self.font.query_text_extents(text).overall_width
def draw_text(self, x, y, text):
'''
Draw a text
@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
'''
draw_text(bar.window, bar.gc, x, y, text)
def create_colour(self, red, green, blue):
'''
Create a colour instance
@param red:int The red component [0, 255]
@param green:int The green component [0, 255]
@param blue:int The blue component [0, 255]
@return The colour
'''
return self.cmap.alloc_color(red * 257, green * 257, blue * 257).pixel
def create_font(self, font):
'''
Create a font
@param font:str The font
@return The font, font metrics, and font height
'''
font = display.open_font(font)
font_metrics = font.query()
font_height = font_metrics.font_ascent + font_metrics.font_descent
return (font, font_metrics, font_height)
def change_colour(self, colour):
'''
Change the current colour
@param colour The colour
'''
self.gc.change(foreground = colour)
def change_font(self, font):
'''
Change the current font
@param font The font
'''
self.gc.change(font = font)
def clear(self):
'''
Fill the panel with its background colour and reset the colour and font
'''
self.change_colour(self.background)
self.window.fill_rectangle(self.gc, 0, 0, self.width, self.panel_height)
self.change_colour(self.foreground)
self.change_font(self.font)
# TODO load configurations
open_x()
display = get_display()
outputs = get_monitors()
start()
while True:
try:
e = display.next_event()
if e.type == Xlib.X.DestroyNotify:
break
except KeyboardInterrupt:
break
redraw()
display.flush()
stop()
close_x()
|
