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
|
---------------------------------------------------
-- Vicious widgets for the awesome window manager
---------------------------------------------------
-- Licensed under the GNU General Public License v2
-- * (c) 2009, Adrian C. <anrxc@sysphere.org>
-- * (c) 2008, Lucas de Vries <lucas@glacicle.com>
---------------------------------------------------
-- {{{ Grab environment
local type = type
local pairs = pairs
local tonumber = tonumber
local helpers = require("vicious.helpers")
local capi = { timer = timer }
local os = { time = os.time }
local table = {
insert = table.insert,
remove = table.remove
}
-- }}}
-- {{{ Configure widgets
require("vicious.cpu")
require("vicious.cpuinf")
require("vicious.cpufreq")
require("vicious.thermal")
require("vicious.uptime")
require("vicious.bat")
require("vicious.mem")
require("vicious.fs")
require("vicious.dio")
require("vicious.hddtemp")
require("vicious.net")
require("vicious.wifi")
require("vicious.mbox")
require("vicious.mboxc")
require("vicious.mdir")
require("vicious.gmail")
require("vicious.entropy")
require("vicious.org")
require("vicious.pacman")
require("vicious.mpd")
require("vicious.volume")
require("vicious.weather")
require("vicious.date")
-- }}}
-- Vicious: widgets for the awesome window manager
module("vicious")
-- {{{ Initialise tables
local timers = {}
local registered = {}
local widget_cache = {}
-- Initialise the function table
widgets = {}
-- }}}
-- {{{ Widget types
for i, w in pairs(_M) do
-- Ensure we don't call ourselves
if w and w ~= _M and type(w) == "table" then
-- Ignore the function table and helpers
if i ~= "widgets" and i ~= "helpers" then
-- Place widgets in the namespace table
widgets[i] = w
end
end
end
-- }}}
-- {{{ Main functions
-- {{{ Register a widget
function register(widget, wtype, format, timer, warg)
local reg = {}
local widget = widget
-- Set properties
reg.type = wtype
reg.format = format
reg.timer = timer
reg.warg = warg
reg.widget = widget
-- Update function
reg.update = function ()
update(widget, reg)
end
-- Default to 2s timer
if reg.timer == nil then
reg.timer = 2
end
-- Register a reg object
regregister(reg)
-- Return a reg object for reuse
return reg
end
-- }}}
-- {{{ Register from reg object
function regregister(reg)
if not reg.running then
if registered[reg.widget] == nil then
registered[reg.widget] = {}
table.insert(registered[reg.widget], reg)
else
local already = false
for w, i in pairs(registered) do
if w == reg.widget then
for _, v in pairs(i) do
if v == reg then
already = true
break
end
end
if already then
break
end
end
end
if not already then
table.insert(registered[reg.widget], reg)
end
end
-- Start the timer
if reg.timer > 0 then
timers[reg.update] = {
timer = capi.timer({ timeout = reg.timer })
}
timers[reg.update].timer:add_signal("timeout", reg.update)
timers[reg.update].timer:start()
end
-- Initial update
reg.update()
reg.running = true
end
end
-- }}}
-- {{{ Unregister a widget
function unregister(widget, keep, reg)
if reg == nil then
for w, i in pairs(registered) do
if w == widget then
for _, v in pairs(i) do
reg = unregister(w, keep, v)
end
end
end
return reg
end
if not keep then
for w, i in pairs(registered) do
if w == widget then
for k, v in pairs(i) do
if v == reg then
table.remove(registered[w], k)
end
end
end
end
end
-- Stop the timer
if timers[reg.update].timer.started then
timers[reg.update].timer:stop()
end
reg.running = false
return reg
end
-- }}}
-- {{{ Suspend vicious
function suspend()
for w, i in pairs(registered) do
for _, v in pairs(i) do
unregister(w, true, v)
end
end
end
-- }}}
-- {{{ Activate vicious
function activate(widget)
for w, i in pairs(registered) do
if widget == nil or w == widget then
for _, v in pairs(i) do
regregister(v)
end
end
end
end
-- }}}
-- {{{ Enable caching for a widget
function enable_caching(widget)
if widget_cache[widget] == nil then
widget_cache[widget] = {}
end
end
-- }}}
-- {{{ Update a widget
function update(widget, reg, disablecache)
-- Check if there are any equal widgets
if reg == nil then
for w, i in pairs(registered) do
if w == widget then
for _, v in pairs(i) do
update(w, v, disablecache)
end
end
end
return
end
local t = os.time()
local data = {}
-- Do we have output chached for a widget newer than last update
if widget_cache[reg.type] ~= nil then
local c = widget_cache[reg.type]
if c.time == nil or c.time <= t - reg.timer or disablecache then
c.time = t
c.data = reg.type(reg.format, reg.warg)
end
data = c.data
else
data = reg.type(reg.format, reg.warg)
end
if type(data) == "table" then
if type(reg.format) == "string" then
data = helpers.format(reg.format, data)
elseif type(reg.format) == "function" then
data = reg.format(widget, data)
end
end
if widget.add_value ~= nil then
widget:add_value(tonumber(data) / 100)
elseif widget.set_value ~= nil then
widget:set_value(tonumber(data) / 100)
else
widget.text = data
end
return data
end
-- }}}
-- }}}
|