Conversation with #inferno at Tue Sep 25 00:55:14 2012 on powerman-asdf@irc.freenode.net (irc)
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(06:36:27) Tekk_: Is there an actual up to date limbo tk resource anywhere? I was following Descent into Limbo but not even the tk hello world program doesn't compile, complaining about mismatched types between context.screen when it wants a display. I tried a shot in the dark and changed it to context.display, but then my windows wouldn't map :/
(06:36:45) Tekk_: so that's apparently not the right answer
(06:39:24) leetspete: Tekk_: Funny you should mention it, I've recently been doing Limbo/Tk.  The answer to your question actually depends on how well you know Tk.
(06:40:01) Tekk_: leetspete: afraid I don't :/
(06:40:04) leetspete: If you're good with Tk, I'd recommend just looking over some of the sources.
(06:40:10) Tekk_: limbo is my first experience with it
(06:40:23) leetspete: Same here, actually.
(06:40:52) Tekk_: if I had to guess, there was just some update somewhere along the way where "update" won't actually map a window?
(06:41:02) Tekk_: which means there's some command I'm missing
(06:41:08) leetspete: I basically just worked through a few Tk tutorials on the web, since Tk is Tk (modulo its bridge to Limbo).
(06:41:48) leetspete: Update doesn't map a window?  That sounds odd.  You mean, the window doesn't show up?  Everything's packed, no errors came bacK?
(06:42:20) Tekk_: yeah, not seeing any errors in my rc window, everything's all packed, nothing shows
(06:44:11) leetspete: And--also I am really sorry if this is trivial stuff that you already do--you're checking the return value of tk->cmd?  Also, calling tk->onscreen(), I think, let me check...
(06:44:58) Tekk_: odd
(06:45:03) leetspete: Ah, what I'm doing is tkclient->onscreen(t, nil);
(06:45:03) Tekk_: tk->onscreen apparently doesn't exist
(06:47:34) leetspete: Sorry for the omission; I'm using tkclient as well.  tk's update command doesn't talk to the window manager to get the window onto the screen; I'm not actually sure how that works without tkclient.
(06:47:47) Tekk_: it doesn't, apparently :)
(06:47:54) leetspete: haha
(06:48:46) Tekk_: do you know what tkclient's type is in limbo?
(06:48:59) Tekk_: (assuming it's another import/declare)
(06:49:36) leetspete: Yeah.  include "tkclient.m"; tkclient: Tkclient;
(06:49:52) Tekk_: okay, no capitalization on client
(06:50:43) leetspete: Yeah, I make that mistake a lot.  I'm used to underscores or camel-case, not initial caps.  So I'm constantly doing "TkClient", "ReadDir", etc.
(06:50:52) Tekk_: yeah
(06:52:47) raphaelsc: leetspete: Today I was implementing my kernel's memory management, and it's pretty cool =)
(06:53:17) Tekk_: weird
(06:53:23) leetspete: raphaelsc: Cool.
(06:53:31) Tekk_: leetspete: does tkclient have to be installed separately or is it in the base? I'm getting module not loaded errors
(06:53:41) raphaelsc: leetspete, btw, utroz here =)
(06:53:58) leetspete: raphaelsc: I guessed. :)
(06:54:09) raphaelsc: hehe
(06:54:22) Tekk_: have it included, made sure to tkclient: Tkclient, did tkclient = load Tkclient Tkclient->PATH;
(06:54:41) leetspete: Tekk_: That was the next question.  Hm...
(06:56:14) leetspete: Are you loading tk first, calling tkclient->init(), etc?
(06:56:49) leetspete: raphaelsc, Tekk_:  'scuse me for a few minutes, going to run to the restroom and have a smoke.
(06:57:51) raphaelsc: haha ok
(06:58:23) Tekk_: tk is both included and initialized first. tkclient->init() after the initialization results in an error about dereferencing nil.
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(07:21:15) leetspete: Tekk_: Dang.  Can you put the whole thing in a pastebin somewhere?
(07:28:23) Tekk_: sure
(07:29:16) Tekk_: just let me glance over it once more quickly
(07:29:58) Tekk_: leetspete: http://dpaste.com/805560/
(07:34:43) leetspete: Tekk_: I think you don't want to call tk->toplevel if you're using tkclient.
(07:35:18) Tekk_: ah, okay. I thought that tkclient would just be a controller or something
(07:36:19) leetspete: Or perhaps you don't need to.
(07:36:48) leetspete: Actually /appl/wm/date.b is what I used as a somewhat simple example when I was figuring out the mechanics.
(07:37:20) Tekk_: thanks for the tip :)
(07:38:08) leetspete: One thing is that you're getting your w from tk->toplevel.  I'm not sure if it neglects to fill a couple of things in, but tkclient->toplevel returns two values, the toplevel and the control channel.
(07:43:10) Tekk_: okay, I have it mapping :)
(07:43:18) Tekk_: now I just need to convert to tkclient style events
(07:43:34) leetspete: I think it's the usual chan of string stuff.
(07:44:23) Tekk_: yeah, I just need to figure out the namechan equivalent
(07:45:21) Tekk_: ah
(07:45:31) leetspete: Oh, I think you still just call tk->namechan.  At least, that works for me.
(07:45:36) Tekk_: wait, nevvermind
(07:45:54) Tekk_: oh, weird. I was getting compile errors before
(07:45:59) Tekk_: I must have misread
(07:46:51) leetspete: I just realized that I've been doing Tk like a barbarian. :P
(07:46:59) leetspete: Look at code, pull out pieces, fiddle.
(07:47:30) leetspete: Very unlike my usual method, haha.  I wonder if I've been doing that because that's how I treat HTML.
(07:48:01) leetspete: "It is graphics but I am not blitting.  It must be magical nonsense."
(07:48:34) Tekk_: well you do kind of blit, just pretend update is your blit
(07:48:44) Tekk_: after that pretend it's magic ;)
(07:49:29) leetspete: haha
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(08:23:06) doublec: tk is the php of the gui world for me. I copy/paste snippets I find until things work.
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(15:35:30) anth_x: "It is graphics but I am not blitting.  It must be magical nonsense." —awesome. :-)
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(21:07:09) Tekk_: there a way to run limbo out of the inferno vm, directly on linux?
(21:07:40) Tekk_: I can kinda run dis bytecodes by using emu and then the path relative to the emulator's root, but that doesn't seem too clean
(21:17:52) leetspete: doublec, anth_x: Things of Truth.
(21:18:19) leetspete: Tekk_: You can use '#U*'
(21:18:56) leetspete: That's a little ugly (semi-intentionally, according to CF), but it gets you the host's filesystem.
(21:19:49) leetspete: lc '#U*/' 
(21:19:55) leetspete: For example.
(21:21:11) leetspete: As far as just running a .dis directly, I suspect that you can use Linux's alternative executable support, but I've never tried that.
(21:21:41) Tekk_: oh, cool. thanks
(21:21:56) Tekk_: actually native .dis sounds like it could be a cool project if I ever wanted to get into linux development
(21:22:32) leetspete: Well, it wouldn't be quite native per se.
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(21:23:13) Tekk_: native in that linux can execute it directly, not as in translation to native code ;)
(21:23:20) leetspete: One second, digging up docs.
(21:23:33) Tekk_: no thanks, don't worry about it too much.