121 lines
3.9 KiB
Text
121 lines
3.9 KiB
Text
;;;;;
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title: Notstumpwm
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tags: experiments, notion, wm, lua, config, stumpwm, lisp, archlinux, exherbo
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date: 2013-05-24 00:10
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format: md
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;;;;;
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I have just returned from an excursion into the land of
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[exherbo](http://exherbo.org/), which is an awesome source-based
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distro, and I found that while I was gone, something changed that made
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[stumpwm](http://www.nongnu.org/stumpwm/) cause a segmentation fault
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in X11 a few seconds after starting up.
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I have tried everything I can think of to get it running again, but
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alas, to no avail. So I started looking at alternatives again. Feeling
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a little crazy I decided to give [notion](http://notion.sf.net)
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another try. And it fits strangely well.
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It's configured/extended in lua, which I'm not particularly fond of,
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and it has a (in my opinion) crazy default configuration. **But** it
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also allows Emacs-like key combinations out-of-the-box, which is a
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very big plus in my book. So the quest to bring it closer to my
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stumpwm setup has begun.
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## Window layout
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One of the nicest additions to my stumpwm configuration I made in the
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last few weeks was a loaded window configuration which put my Emacs
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frames in a big chunk of my left monitor, my terminals on my left
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monitor with just enough space for 80 columns and my web browser
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filling my right screen. I had also set-up some rules to always place
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them in the correct spots.
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I have not yet tried to automatically place the windows in the right
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spots, but I do have the proportions right. I just had to delete the
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right frames and resize the one for terminals and, by default, notion
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remembers this set-up and automatically restores it when I log in.
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I will look at creating a special layout for this so I don't have to
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worry about (accidentally) changing things.
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## run-or-raise
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I found this interesting
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[page](http://www.xsteve.at/prg/ion/ion3_functions_xsteve.lua) about
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`run-or-raise`-like functionality for Ion3, which notion is a fork of.
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This is a little outdated, though, since notion has changed
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(apparently) the workings of some functions and lua 5.2 introduced the
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goto keyword, so I had to change it to this:
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```
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function oni_match_class(class)
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local result = {}
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ioncore.clientwin_i(
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function (win)
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if class `` win:get_ident().class then
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table.insert(result, win)
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return false
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end
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return true
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end
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)
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return result
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end
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function xsteve_run_byclass(prog, class)
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local win = oni_match_class(class)[1]
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if win then
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win:goto_()
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else
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ioncore.exec(prog)
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end
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end
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```
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There is no function to get a list of all the client windows, only a
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function to iterate over them. For the moment I am only interested in
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finding the first window with class CLASS, so I return `false` when a
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match is found, this stops the iteration process. I also had to use
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the `WRegion.goto_` function, instead of `WRegion.goto` because of the
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mentioned change in lua 5.2, but they are the same.
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I then only have to bind it:
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```
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defbindings("WScreen", {
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-- ...
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submap("Control+Z", {
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-- ...
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kpress("E", "xsteve_run_byclass('emacsclient -ca emacs', 'Emacs')"),
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kpress("W", "xsteve_run_byclass('conkeror', 'Conkeror')"),
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kpress("C", "xsteve_run_byclass('urxvt', 'URxvt')"),
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}),
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})
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```
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## Quoting C-z
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One of the coolest things about using a prefix in stumpwm that I have
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been able to find in precious few other solutions is the ability to
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send the prefix key to the applications you use, so you don't entirely
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miss its functionality. In stumpwm this is easy, but in notion its a
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little more work:
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```
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defbindings("WClientWin", {
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-- ...
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submap("Control+Z", {
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-- ...
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kpress("Q", "WClientWin.quote_next(_)"),
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}),
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})
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```
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This means that I have to type `C-z q C-z` to send the `C-z` key to,
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for instance, Emacs. That a few more keys than I was used to in
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stumpwm, but at least it's possible.
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