September 2012 - xmonad

Can not restart Xmonad
by kedals0＠gmail.com 24 Sep '12

24 Sep '12

Hi, I can not restart Xmonad without quiting X. When I launch xmonad from console, I get the following error: toto@compaq:~$ .xmonad/xmonad-x86_64-linux --help X Error of failed request: BadAccess (attempt to access private resource denied) Major opcode of failed request: 2 (X_ChangeWindowAttributes) Serial number of failed request: 7 Current serial number in output stream: 8 toto@compaq:~$ <stdin>: hGetLine: end of file I'm using a compiled xmonad version from darcs: toto@compaq:~$ ghc-pkg list --user |grep xmonad xmonad-0.10.1 xmonad-contrib-0.10.1 toto@compaq:~$ ps aux |grep xmonad toto 17397 0.2 0.3 55652 5124 ? Ss 10:03 0:05 /home/toto/.xmonad/xmonad-x86_64-linux Any ideas ? Thx in advance, Dal

4 9

MultiToggle + Decorations breaks upgrading to 0.10
by Joseph Garvin 24 Sep '12

24 Sep '12

I just upgraded from 0.9 to 0.10 and had to comment out the following to get my xmonad.hs to compile: data DECORATIONS = DECORATIONS deriving (Read, Show, Eq, Typeable) instance MultiToggle.Transformer DECORATIONS Window where transform _ x k = k (simpleDeco shrinkText (defaultTheme { decoWidth = 9999999, fontName = "-*-helvetica-bold-r-*-*-14-*-*-*-*-*-*-*", inactiveColor = "black", activeColor = "black", activeTextColor = "red", inactiveTextColor = "green" } ) x) Which gives me this glorious error: xmonad.hs:10:16: Warning: -fglasgow-exts is deprecated: Use individual extensions instead xmonad.hs:247:36: Couldn't match type `b' with `(XMonad.Layout.LayoutModifier.ModifiedLayout (XMonad.Layout.Decoration.Decoration SimpleDecoration XMonad.Layout.Decoration.DefaultShrinker) l GHC.Word.Word64 -> l GHC.Word.Word64) -> b' `b' is a rigid type variable bound by the type signature for transform :: LayoutClass l Window => DECORATIONS -> l Window -> (forall (l' :: * -> *). LayoutClass l' Window => l' Window -> (l' Window -> l Window) -> b) -> b at xmonad.hs:247:18 In the return type of a call of `k' Probable cause: `k' is applied to too few arguments In the expression: k (simpleDeco shrinkText (defaultTheme {decoWidth = 9999999, fontName = "-*-helvetica-bold-r-*-*-14-*-*-*-*-*-*-*", inactiveColor = "black", activeColor = "black", activeTextColor = "red", inactiveTextColor = "green"}) x) In an equation for `transform': transform _ x k = k (simpleDeco shrinkText (defaultTheme {decoWidth = 9999999, fontName = "-*-helvetica-bold-r-*-*-14-*-*-*-*-*-*-*", inactiveColor = "black", activeColor = "black", activeTextColor = "red", inactiveTextColor = "green"}) x) I see that it's complaining that k is applied to too few arguments, so I looked in the docs for MultiToggle and in their example it looks like k takes what looks like a lambda (I'm actually confused by the syntax, I've never seen parens around a lambda parameter) as a second argument now for some reason: data MIRROR = MIRROR deriving (Read, Show, Eq, Typeable) instance Transformer MIRROR Window where transform _ x k = k (Mirror x) (\(Mirror x') -> x') But I'm too much of a Haskell newb to adapt my decoration snippet for that. Help? Thanks, Joe G.

2 1

XMonad 0.10 only matches on last className?
by Joseph Garvin 23 Sep '12

23 Sep '12

If I run xprop on my emacs I see this: WM_CLASS(STRING) = "emacs", "Emacs23" If I setup a keybinding to runOrRaise looking for "emacs", it always starts a new instance: , ((modMask, xK_w), runOrRaiseNext editor (className =? "emacs")) If I change it to match on Emacs23, then I get the expected runOrRaise behavior: , ((modMask, xK_w), runOrRaiseNext editor (className =? "Emacs23")) Is this a bug, or is there a different syntax I'm supposed to use for when I want to match on any of the WM_CLASS's that the window has specified?

2 2

Firefox and Opera windows
by Carsten Mattner 22 Sep '12

22 Sep '12

I have a problem with Firefox and Opera windows. Both seem to move or resize or readjust in a way I haven't figured out yet when switching to the tag where either is the only window. I've configured a manageHook to doFullFloat on isFullScreen and doFloat on many Firefox sub-windows/sub-dialogs which seems not transient (addons settings, etc., bookmarks). No manageHook for Opera. Firefox is Linux nightly. Opera is Linux 12.00. When I use a different then Unix style in Opera and make it maximized by pressing the button in the title bar it always unmaximizes anytime I change back to the tag with only Opera in it. To remove borders in fullscreen mode I've applied smartBorders to the layout. layoutHook = smartBorders (avoidStruts $ layoutHook defaultConfig) Chromium doesn't seem to have this problem. Any idea what's going on?

3 3

FloatSnap
by Carsten Mattner 22 Sep '12

22 Sep '12

I failed to make Layout.FloatSnap work so that when I move windows with the moves they snap to the tag's borders. Does anyone have the required sample config available? Couldn't find it.

2 1

Patch: changes in Prompt and new module
by Carlos López Camey 21 Sep '12

21 Sep '12

Hello, please find attached the following patch. I have a question in case it gets applied. I'd like to improve the mode to search for files (locate isn't fast/good enough). So far I thought of tracker [0] and recollq [1] but as noted none seemed 100% right. I thought of loading the db written by 'updatedb' in the memory [2] but I don't know if that's acceptable as xmonad tries to stay lightweight. cheers, Carlos [0] it would be fast, but it needs to add dbus as a dependency http://projects.gnome.org/tracker/ [1] the query language doesn't apply to file *names* only (it works to search for terms *in* files) http://www.lesbonscomptes.com/recoll/ [2] my mlocate.db is 37M for a 1.5TB disk Comments on the patch: ------------- 2 patches for repository http://code.haskell.org/XMonadContrib: Thu Jun 28 12:17:49 CEST 2012 c.lopez(a)kmels.net * Changes on XPrompt: * Adds mkPromptWithModes, creates a prompt given a list of modes (list of XPType). * Adds Setting `alwaysHighlight` to defaultXPConfig. When set to true, autocompletion always highlight the first result if it is not highlighted. Adds module XMonad.Actions.Launcher. This module allows to combine and switch between instances of XPrompt. It includes a default set of modes which require the programs `hoogle`, `locate` and `calc` to be installed to work properly. Thu Jun 28 13:45:33 CEST 2012 c.lopez(a)kmels.net * Removes warnings, adds a browser value for LauncherConfig in haddock comments

6 24

Per-monitor EWMH Gaps
by David Chanters 19 Sep '12

19 Sep '12

Hi all, Is it possible to have per-monitor (Xinerama) gaps defined? Either I've an errant program defining EWMH hints, or I'm doing something wrong, but I've got taskbars and what have you which set the appropriate EWMH dock hints, starting on monitor 1. But for monitor2, I end up toggling the gaps manually. Is there a way of doing this properly? Note also this solution falls over if I end up switching workspace 1 on monitor 1, to monitor 2. David

2 1

xmonad and launcher prompt memory
by Carsten Mattner 19 Sep '12

19 Sep '12

Carlos, I'm wondering whether using the launcher prompt may be the reason for xmonad starting at 4 to 5 megs freshly and climbing to around 7 megs. I didn't try without the launcher promot and don't really complain but am curious whether there's some caching and possible space leak in either the launcher prompt or xmonad core or one of the popular action hooks. Gwern, this is not an objection to merging, just an observation. This is on ghc-7.6.1-i386. Any comments?

2 1

mod+q logs me out?
by Alexander Pirdy 19 Sep '12

19 Sep '12

I discovered recently that my mod+q is not working correctly. When I press it it kicks me out and I have to login again, this crashes all the programs I'm using etc. I am using xmonad 0.9.1 on xubuntu 10.4. I installed xmonad with the package manager, and this happens on a fresh install with the default xmonad.hs. I don't think it has anything to do with the xmonad.hs file I use, but just in case it can be found at http://hpaste.org/74925. I also did a [2] ptrace on xmonad while I pressed mod+q which makes it look as though xmonad is sending garbage parameters to itself (thanks to geekosaurus on irc for this). Here is the portion where I think stuff starts to go wrong, but the full trace can be found at http://hpaste.org/74927. > write(2, "xmonad: ", 8) = 8 > write(2, "user error (unrecognized flags)", 31) = 31 > write(2, "\n", 1) = 1 > getrusage(RUSAGE_SELF, {ru_utime={0, 984061}, ru_stime={1, 24064}, ...}) = 0 > gettimeofday({1347995657, 921071}, NULL) = 0 > rt_sigprocmask(SIG_BLOCK, [INT], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > timer_settime(0, 0, {it_interval={0, 0}, it_value={0, 0}}, NULL) = 0 > timer_delete(0) = 0 > rt_sigprocmask(SIG_BLOCK, [TTOU], [], 8) = 0 > rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 > rt_sigaction(SIGINT, {SIG_DFL, [], 0}, NULL, 8) = 0 > rt_sigaction(SIGPIPE, {SIG_DFL, [], 0}, NULL, 8) = 0 > getrusage(RUSAGE_SELF, {ru_utime={0, 988061}, ru_stime={1, 24064}, ...}) = 0 > gettimeofday({1347995657, 928425}, NULL) = 0 > munmap(0xb7500000, 1048576) = 0 > exit_group(1) = ? > Process 410 detached Mod+q is mapped to the default of "spawn "xmonad --recompile; xmonad --restart"", and a xmonad --restart executed from the terminal leads me to believe that this is failing somehow, but I have no idea how to find out more or to fix it. Thanks for your help.

3 2

lockup when starting gvim in terminal
by Anthony Campbell 16 Sep '12

16 Sep '12

If I start gvim (GUI version of vim) in a terminal I get an error message and gvim locks up. The message is: ---------------------------------------------------------------------- E852: The child process failed to start the GUI[xcb] Unknown sequence number while processing queue [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called [xcb] Aborting, sorry about that. gvim: ../../src/xcb_io.c:273: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. -------------------------------------------------------------------------- I can prevent it from happening, either by starting gvim with dmenu or by doing "gvim &" in a terminal. I think gvim normally starts as a child process from a terminal. Is this a bug? Any way of preventing the error apart from those I've mentioned/ -- Anthony Campbell - ac(a)acampbell.org.uk Microsoft-free zone - Using Debian GNU/Linux http://www.acampbell.org.uk - sample my ebooks at http://www.smashwords.com/profile/view/acampbell

8 14