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catch22
n00b
Joined: 18 Mar 2007
Posts: 17
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 Posted: Thu Nov 05, 2009 5:26 pm Post subject: conky + lua-cairo -> missing bindings |
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Hi all!
I wanted to test the new lua cairo support in conky-1.7.2. So set the USE flags and remerged conky.
| Code: | $ equery u conky
* Searching for conky ...
[ Legend : U - flag is set in make.conf ]
[ : I - package is installed with flag ]
[ Colors : set, unset ]
* Found these USE flags for app-admin/conky-1.7.2-r2:
U I
+ + X : Adds support for X11
+ + alsa : Adds support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
- - apcupsd : enable support for sys-power/apcupsd
- - audacious : enable monitoring of music played by media-sound/audacious
- - curl : Adds support for client-side URL transfer library
- - debug : Enable extra debug codepaths, like asserts and extra output. If you want to get meaningful backtraces see http://www.gentoo.org/proj/en/qa/backtraces.xml
- - eve : enable support for the eve-online skill monitor
- - hddtemp : Enable monitoring of hdd temperature (app-admin/hddtemp)
+ + imlib : Adds support for imlib, an image loading and rendering library
- - iostats : enable support for per-task I/O statistics
+ + lua : enable if you want Lua scripting support
+ + lua-cairo : enable if you want Lua Cairo bindings for Conky (also anables lua support)
+ + lua-imlib : enable if you want Lua Imlib2 bindings for Conky (also enables lua and imlib support)
- - math : enable support for glibc's libm math library
- - moc : enable monitoring of music played by media-sound/moc
- - mpd : enable monitoring of music controlled by media-sound/mpd
+ + nano-syntax : enable syntax highlighting for app-editors/nano
+ + nvidia : enable reading of nvidia card temperature sensors via media-video/nvidia-settings
- + portmon : enable support for tcp (ip4) port monitoring
- - rss : Enables support for RSS feeds
- - thinkpad : enable support for IBM/Lenovo notebooks
+ + truetype : Adds support for FreeType and/or FreeType2 fonts
- - vim-syntax : Pulls in related vim syntax scripts
- - weather-metar : enable support for metar weather service
- - weather-xoap : enable support for metar and xoap weather service
+ + wifi : Enable wireless network functions |
That produced:
| Code: | $ conky -v
Conky 1.7.2 compiled Sun Oct 25 13:06:21 CET 2009 for Linux 2.6.30-gentoo-r5 (i686)
Compiled in features:
System config file: /etc/conky/conky.conf
Package library path: /usr/lib/conky
X11:
* Xdamage extension
* XDBE (double buffer extension)
* Xft
Music detection:
General:
* portmon
* wireless
* nvidia
* config-output
* Imlib2
* ALSA mixer support
* Lua
Lua bindings:
* Cairo
* Imlib2
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For testing I created a fairly simple lua script:
| cairo_test.lua: | -- Conky Lua scripting example
--
require 'cairo'
do
function conky_cairo_test()
io.write("create surface\n")
if conky_window == nil then
io.write(string.format("window: got nil\n"))
return
end
local w = conky_window.width
local h = conky_window.height
io.write(string.format("window: %s, %s\n",w,h))
local dr = conky_window.drawable
local ds = conky_window.display
local v = conky_window.display
local cs = cairo_xlib_surface_create(ds, dr, v, w, h)
cr = cairo_create(cs)
end
end
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My conkyrc is also very basic:
| .conkrc.cairo: | lua_load ~/cairo_test.lua
lua_draw_hook_pre cairo_test
TEXT
$nodename $sysname $kernel on $machine |
Then I run conky by typing:
| Code: | | $ conky -c .conkyrc.cairo |
And I get:
| Code: | Conky: desktop window (140003c) is subwindow of root window (23d)
Conky: drawing to desktop window
Conky: drawing to single buffer
create surface
window: got nil
create surface
window: got nil
create surface
window: 1920, 1200
Conky: llua_do_call: function conky_cairo_test execution failed: /home/users/mad/cairo_test.lua:22: attempt to call global 'cairo_xlib_surface_create' (a nil value)
create surface
window: 1920, 1200
Conky: llua_do_call: function conky_cairo_test execution failed: /home/users/mad/cairo_test.lua:22: attempt to call global 'cairo_xlib_surface_create' (a nil value)
[...]
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That looks like the cairo bindings are missing. But how do I fix this? |
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catch22
n00b
Joined: 18 Mar 2007
Posts: 17
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| Posted: Thu Nov 05, 2009 11:11 pm Post subject: |
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Ok, I can reproduce that behavior on a different machine (now amd64, the other one was x86).
Did _anyone_ get that cairo stuff working?
Btw.: Lua without cairo runs quit well..... |
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keenblade
Veteran
Joined: 03 Oct 2004
Posts: 1038
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| Posted: Thu Jan 07, 2010 6:28 pm Post subject: |
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| catch22 wrote: | ...Did _anyone_ get that cairo stuff working?
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I wonder that, too. I could not get that pretty conky graphic example here.
Can anybody share working config and lua scripts using cairo for conky.
_________________
Anyway it's all the same at the end...
Need help to get it working: "x-fi surround 5.1" |
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