<< 11-11-2016 >>
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00:57:00FromGitter<GraydenH> I see that typew of type declaration is a common pattern in nim but I don't get why it is not ⏎ `type Node = object ⏎ le, ri: Node`
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01:09:35FromGitter<ephja> because it's a recursive type, and so it can't be a value type because then it would be infinitely big
01:23:55FromGitter<ephja> oh he left
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04:45:21FromGitter<GraydenH> to return
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05:58:07FromGitter<GraydenH> why does
05:58:09FromGitter<GraydenH> var modelview = [ ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=58255df1df5ae96645417792]
05:58:20FromGitter<GraydenH> not work
05:58:31FromGitter<GraydenH> I mean compile
05:59:33FromGitter<GraydenH> proc glLoadMatrixf(m: ptr GLfloat)
06:00:25FromGitter<GraydenH> that function doesn't compile but I don't get why it takes a glfloat
06:02:16FromGitter<GraydenH> it doesn't look like glfloat is am alias for a pointer
06:02:24FromGitter<GraydenH> might be wrong about that
06:02:52FromGitter<GraydenH> I would think a `ptr array[0..15, float64]` would be proper
06:02:59FromGitter<GraydenH> considering
06:04:36FromGitter<GraydenH> same thing for
06:04:40FromGitter<GraydenH> glGetDoublev(pname: GLenum, params: ptr GLdouble)
06:04:53FromGitter<GraydenH> ptr GLdouble
06:10:44FromGitter<GraydenH> castptr GLfloat (modelview.addr)[] doesn't fix anything either
06:11:02FromGitter<GraydenH> doesn't fix anything either
06:11:23FromGitter<GraydenH> how is this supposed to work
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06:17:36FromGitter<GraydenH> glLoadMatrixf(castptr GLFloat (modelview.addr))
06:17:42FromGitter<GraydenH> that compiles
06:17:52FromGitter<GraydenH> kind of verbose :/
06:18:20FromGitter<GraydenH> opengl.nim(898) glMatrixMode ⏎ SIGSEGV: Illegal storage access. (Attempt to read from nil?)
06:18:40FromGitter<GraydenH> what does tha even mean
06:18:58FromGitter<GraydenH> how can
06:19:02FromGitter<GraydenH> glMatrixMode(GL_MODEL_VIEW)
06:19:05FromGitter<GraydenH> fail
06:19:44FromGitter<GraydenH> also is there going to be multi line comments?
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07:46:11flyxGraydenH: there are. http://nim-lang.org/docs/manual.html#lexical-analysis-multiline-comments
07:47:22flyxGraydenH: you should use glLoadMatrixf with something like `var mat: array[0..3, GLfloat]` and then `glLoadMatrixf(addr mat[0])`
07:48:35flyxerr, wait. matrix has 16 elements, not 4
07:49:08flyxso, array[0..15, GLfloat]
07:49:44flyxthis may probably be enhanced in the opengl module
07:50:23flyxcan someone over at Gitter tell me if he's even still there?
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09:08:45FromGitter<GraydenH> im here
09:08:58FromGitter<GraydenH> but its night now
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09:40:58*flyx needs some advice on how to workaround https://github.com/nim-lang/Nim/issues/5015
09:41:33flyxI believe the conversion to Mutator is the problem, but I cannot get this to compile without it because apparently the proc type is not automatically equal
09:51:49flyxAraq, can you give advice on how to avoid the explicit conversion?
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10:32:42PMunchflyx, you can write a converter
10:34:42flyxPMunch: yes, but I think the problem is that the value needs to be converted in the first place. why would it?
10:35:12flyxits signature matches with Mutator, so it should automatically match
10:35:44flyxalso, even if I replace the use of Mutator in putMutated with `proc(matched: string): string`, it still doesn't match
10:39:31PMunchHmm, didn't see that you supplied an error as well
10:39:46PMunchNot actually sure
10:53:25FromGitter<ephja> is "import foo.bar as foo_bar ... import baz.bar as baz_bar" broken atm?
10:56:42FromGitter<ephja> I'll just rename the modules
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11:47:31FromGitter<nigredo-tori> @flyx, mark mutator0 and Mutator as `{.noconv.}` and it works. ⏎ ⏎ ```code paste, see link``` [https://gitter.im/nim-lang/Nim?at=5825afd265485ebc6780b73b]
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12:08:50flyxnigredo-tori: wow, nice. where did you dig that up?
12:15:21FromGitter<nigredo-tori> I just thought that, seeing how `static` is not mature enough, and how closures often lead to bugs, passing a closure proc in a `static` array was just asking for it. ^_^
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14:06:05flyxinteresting. I wrote some basic lexer generator (because I can) and I test it a bit with some JSON input. so far, it's about half as fast as using json.parse, which I think is a good factor to start with
14:06:31flyxI wonder if staying with transition tables may eventually be faster than generating code close to how json.parse looks
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15:50:19FromGitter<gogolxdong> how to handle `Error: sdl2.init(INIT_VIDEO): No available video device ` of nimx
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16:22:08zevlg`hey, is it possible to get dinamic dispatch on iterators?
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16:22:23zevlghere is code: http://pastebin.com/DXHbnkrE
16:22:41zevlgI was expecting it to print somithng, but got "to override!" instead
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16:31:10yglukhovgogolxdong: maybe something is wrong with your system? e.g. http://askubuntu.com/questions/443053/could-not-initialize-sdl-no-available-video-device-dont-move
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19:19:21FromGitter<GraydenH> `c:\users\grayden\.nimble\pkgs\nimx-0.1\nimx\context.nim(2, 8) Error: cannot open 'opengl'`
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19:25:27FromGitter<GraydenH> right this is the problem with `nimble c`, `nim c` works
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19:31:12Araqzelg: that's not supported since the compiler wants to be able to inline the iterator
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19:43:03FromGitter<GraydenH> where would I put the sdl2.dll so gcc can find it
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19:45:05FromGitter<GraydenH> nvm got it
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20:01:06FromGitter<GraydenH> nimx requires sdl 2.0.4
20:01:25FromGitter<GraydenH> which isn't in wide circulation
20:02:03FromGitter<GraydenH> win-builds only gives me 2.0.3
20:02:48FromGitter<GraydenH> downloaded the sdl 2.0.5 and put it in the sdl 2 nimble dir and change the lib name to the full path there
20:03:05FromGitter<GraydenH> now it says `could not load: C:\Users\Grayden\.nimble\pkgs\sdl2-1.1\SDL2.dll`
20:03:22FromGitter<GraydenH> but when i go to run it :/
20:03:33FromGitter<GraydenH> it seems to think it compiled fine
20:09:33Xewhere are you getting the SDL DLL from?
20:10:14Xe@GraydenH
20:12:14FromGitter<GraydenH> the website
20:12:24FromGitter<GraydenH> https://www.libsdl.org/download-2.0.php
20:14:20AraqGraydenH: 32 vs 64 bit issue?
20:14:30FromGitter<GraydenH> maybe
20:14:45FromGitter<GraydenH> would it say "cannot open" it that were the case?
20:15:09FromGitter<GraydenH> I was more used to getting a big gcc dump when that was the problem
20:16:44FromGitter<GraydenH> oh, how did i miss the x64 version :/ oops
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20:53:49FromGitter<GraydenH> how do you just draw a rect in nimx
20:54:46FromGitter<GraydenH> i see theres a drawRect in abstract_window, but I don't know how to get a GraphicsContext to call it
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21:09:45FromGitter<GraydenH> `proc newGraphicsContext(canvas: ref RootObj = nil): GraphicsContext`
21:10:08FromGitter<GraydenH> but what is the canvas supposed to be?
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21:19:31FromGitter<GraydenH> var c = currentContext() ⏎ c.drawRect(newRect(20, 20, 150, 20))
21:19:50FromGitter<GraydenH> `test.nim(21) test ⏎ test.nim(12) startApp ⏎ portable_gl.nim(319) drawRect ⏎ portable_gl.nim(342) uniformMatrix4fv ⏎ opengl.nim(1756) glUniformMatrix4fv ... [https://gitter.im/nim-lang/Nim?at=582635f645c9e3eb43286146]
21:20:38FromGitter<GraydenH> the draw rect is line 21
21:20:48FromGitter<GraydenH> no idea what is wrong
21:21:33FromGitter<GraydenH> i mean its line 12
21:21:49FromGitter<GraydenH> not sure why an opengl error is happening
21:24:02FromGitter<GraydenH> how is custom drawing done in nimx
21:25:42FromGitter<yglukhov> @GraydenH, did you have a look at the samples?
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21:26:06FromGitter<GraydenH> yeah can't find any that cover this
21:27:12FromGitter<yglukhov> well how about sample01_welcome.nim?
21:27:15FromGitter<GraydenH> oh
21:27:19FromGitter<GraydenH> just saw it
21:28:08FromGitter<GraydenH> dunno what's different
21:28:48FromGitter<GraydenH> do you need to make a view subclass to do it
21:31:59FromGitter<yglukhov> yup. unless youre drawing to texture, you have to do your drawing at specific points in time. view.draw method is called specifically when you want to do your drawing.
21:34:51FromGitter<yglukhov> think of this from another perspective. you can draw only within some window/view. if you've got more than one window, then which window are you drawing to?
21:36:30FromGitter<GraydenH> it's kind of hard to follow what's going on after registersample is called
21:36:53FromGitter<GraydenH> can I make my custom view the main window?
21:36:55FromGitter<yglukhov> > but what is the canvas supposed to be? ⏎ ⏎ ⏎ for native target you can get away with canvas = nil. for js it has to be your canvas dom element. but normally you dont have to create your own context [https://gitter.im/nim-lang/Nim?at=582639f76cb7207630660207]
21:38:02FromGitter<GraydenH> but I got a runtime error when I left it null
21:38:21FromGitter<GraydenH> I guess it was supposed to me in some view method?
21:39:49FromGitter<yglukhov> youve got error, because you kinda misused it. internally window prepares the context on every frame by setting up viewports/transformations, etc.
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21:40:28FromGitter<yglukhov> just do the drawing in the draw method of your View/Window subclass, and you should be good.
21:42:35FromGitter<yglukhov> if you're doing a View subclass, you should add your view to some window for it to be displayed. if you're doing Window subclass, you just create your window as a normal window and thats it.
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21:45:13FromGitter<GraydenH> right
21:46:37FromGitter<GraydenH> method draw(v: CustomView) {.base.} = ⏎ var c = currentContext() ⏎ c.fillColor = newColor(0.2, 0.2, 0.2) ⏎ c.drawRect(newRect(0, 0, 150, 20)) ⏎ ... [https://gitter.im/nim-lang/Nim?at=58263c3c6cb7207630660bb6]
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21:47:03FromGitter<GraydenH> but there no rect on the screen
21:48:00FromGitter<yglukhov> var c = CustomView.new(newRect(10, 10, 300, 300))
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21:50:41FromGitter<GraydenH> still nothing :/
21:52:12FromGitter<yglukhov> oh, wrong draw signature. override the one in view.nim: method draw(v: CustomView, r: Rect)
21:53:45FromGitter<GraydenH> oook
21:53:58FromGitter<yglukhov> any good?
21:53:59FromGitter<GraydenH> so the bounds of the view is passed in?
21:54:09FromGitter<GraydenH> yes it worked
21:55:36FromGitter<yglukhov> the frame of the view is set on view creation. can be changed later on. but in most cases you just set autoresizing mask for it to be resized automatically when its superview is resized
21:56:22FromGitter<yglukhov> c.autoresizingMask = {afFlexibleWidth, afFlexibleHeight}
21:57:35FromGitter<yglukhov> or a bit less verbose: c.resizingMask = "wh"
21:58:24FromGitter<GraydenH> ah
22:03:10FromGitter<GraydenH> a window is just a view?
22:03:43FromGitter<GraydenH> so can you do the same thing to it?
22:04:12FromGitter<GraydenH> does not seem to work
22:04:55FromGitter<GraydenH> method draw(w: CustomWindow, r: Rect) = ⏎ var c = currentContext() ⏎ c.fillColor = newColor(0.0, 0.2, 1.2) ⏎ c.drawRect(r) ⏎ ... [https://gitter.im/nim-lang/Nim?at=5826408631c5cbef43e52677]
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22:07:17FromGitter<yglukhov> full gist pls
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22:07:42FromGitter<GraydenH> import nimx.window ⏎ import nimx.text_field ⏎ import nimx.system_logger # Required because of Nim bug (#4433) ⏎ import nimx.context ⏎ import nimx.view ... [https://gitter.im/nim-lang/Nim?at=5826412e6cb7207630662326]
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22:14:16FromGitter<yglukhov> ok sorry, i lied. you can't actually subclass Window.
22:14:35FromGitter<yglukhov> at least not for your purpose
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22:32:51FromGitter<GraydenH> so, just a view the same size?
22:33:51FromGitter<GraydenH> also, isn't this comment `# First create a window. Window is the root of view hierarchy.` untrue
22:34:17FromGitter<GraydenH> doesn't window extend view
22:34:35FromGitter<GraydenH> unless you are talking about the rest of the view hierarchy
22:45:21FromGitter<yglukhov> > so, just a view the same size? ⏎ ⏎ ⏎ yep. let myView = MyView.new(myWindow.bounds) [https://gitter.im/nim-lang/Nim?at=58264a01df5ae966454641d3]
22:46:26FromGitter<yglukhov> window is subclass of view in terms of OOP. but window is the root view in the view hierarchy in terms of layout.
22:48:31ephjawill this architecture allow for the creation of multiple windows?
22:49:29FromGitter<yglukhov> sure does.
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23:21:14FromGitter<GraydenH> does window not call draw
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23:33:58federico3a C function needs a callback a pointer to a proc, however "addr myproc" returns Error: expression has no address - any hint?
23:35:06FromGitter<yglukhov> just myproc.
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23:35:59FromGitter<yglukhov> proc myCFunction(myCallback: proc() {.cdecl.}) {.importc.}
23:36:09FromGitter<yglukhov> proc cb = echo "hi"
23:36:15FromGitter<yglukhov> myCFunction(cb)
23:38:32FromGitter<yglukhov> @GraydenH window does call draw, but the problem is different. Window is actually pretty abstract because it knows nothing about the platform its beeing run on. on the other hand SdlWindow, JSCanvasWindow, EmscriptenWindow and AppKitWindow are subclasses of Window and know how to handle on different platforms. newWindow actually creates one of those.
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23:49:21federico3thanks yglukhov
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23:57:21FromGitter<GraydenH> ah