[xmonad] No background drawing for 0.15 on lunbutu 20.04 (was Re: Correct config file for xmonad 0.15)

[Alain Bertrand]

Sorry, first subject title was plainly wrong.

Le 08/05/2020 à 11:04, Alain Bertrand a écrit :
> Hi,
>
> I have installed Lubuntu 20.04 on my laptop and xmonad doesn't redraw 
> it background. That is if I am on workspace 1 , and switch to a 
> workspace with no window, the background of the new workspace is made 
> by the windows of workspace  1.
>
> I do have some warnings  in xmonad.errors but  don't feel they are the 
> explanation of the problem I encounter.
>
> Would somebody have a workaround ? Not being able to use Xmonad would 
> be hard to bear.
>
> Best regards,
>
> Alain
>
> --------------------------
>
> xmonad.hs:25:42: warning: [-Wdeprecations]
>     In the use of ‘defaultConfig’
>     (imported from XMonad, but defined in XMonad.Config):
>     Deprecated: "Use def (from Data.Default, and re-exported by XMonad 
> and XMonad.Config) instead."
>    |
> 25 |      layoutHook=avoidStruts $ layoutHook defaultConfig
>    |                                          ^^^^^^^^^^^^^
>
> xmonad.hs:26:30: warning: [-Wdeprecations]
>     In the use of ‘defaultConfig’
>     (imported from XMonad, but defined in XMonad.Config):
>     Deprecated: "Use def (from Data.Default, and re-exported by XMonad 
> and XMonad.Config) instead."
>    |
> 26 |      , manageHook=manageHook defaultConfig <+> manageDocks
>    |                              ^^^^^^^^^^^^^
>
> xmonad.hs:43:46: warning: [-Wdeprecations]
>     In the use of ‘defaultXPConfig’ (imported from XMonad.Prompt):
>     Deprecated: "Use def (from Data.Default, and re-exported from 
> XMonad.Prompt) instead."
>    |
> 43 |              [ ((modm, xK_F12), xmonadPrompt defaultXPConfig)
>    |                                              ^^^^^^^^^^^^^^^
>
> xmonad.hs:44:46: warning: [-Wdeprecations]
>     In the use of ‘defaultXPConfig’ (imported from XMonad.Prompt):
>     Deprecated: "Use def (from Data.Default, and re-exported from 
> XMonad.Prompt) instead."
>    |
> 44 |              , ((modm, xK_F3 ), shellPrompt  defaultXPConfig)
>    |                                              ^^^^^^^^^^^^^^^
>
>
> My config file is :
>
>  import XMonad
>  import XMonad.Hooks.SetWMName
>  import XMonad.Hooks.ManageDocks
>  import qualified Data.Map as M
>  import Graphics.X11.Xlib
>  import XMonad.Config.Azerty
>  import XMonad.Prompt
>  import XMonad.Prompt.Shell
>  import XMonad.Prompt.XMonad
>  import XMonad.Actions.SpawnOn
>
>  myStartUpHook :: X ()
>  myStartUpHook = do
>         spawnOn "panel" "xfce4-panel"
>         spawnOn "clavier" "/home/alain/bin/clavier_conf"
>         spawnOn "1" "/usr/bin/firefox"
>         spawnOn "1" "/usr/bin/thunderbird"
>         spawnOn "workspace7" "/usr/bin/transmission-gtk"
>         setWMName "LG3D"
>
>
>  main=do
>    xmonad  $ docks def
>      {
>      layoutHook=avoidStruts $ layoutHook defaultConfig
>      , manageHook=manageHook defaultConfig <+> manageDocks
>      , modMask = mod4Mask
>      , keys = myKeys <+> keys azertyConfig
>      , startupHook = myStartUpHook
>      }
>
>
>  myKeys conf@(XConfig {XMonad.modMask = modm}) = M.fromList
>              [ ((modm, xK_F12), xmonadPrompt defaultXPConfig)
>              , ((modm, xK_F3 ), shellPrompt  defaultXPConfig)
>              ]
>
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