Questions tagged [ghcjs-dom]
15 questions
19
votes
1 answer
Installing webkitgtk3 for GHCJS on osx
I'm trying to install the ghcjs-dom package on Mac OSX. It's been bumpy as there are a lot of dependencies. Webkitgtk3 is my current nemesis
cabal install ghcjs-dom
Resolving dependencies...
Configuring webkitgtk3-0.14.1.1...
Failed to install…
Mark Karavan
- 2,654
- 1
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- 38
8
votes
1 answer
GHCJS-DOM event guidance
I'm trying to understand how to create a GUI with GHCJS-DOM. I've been looking at the hello world example https://github.com/ghcjs/ghcjs-dom-hello, which is trivial. Adding new nodes is straightforward. What I can't do, and cannot work out from the…
OllieB
- 1,431
- 9
- 14
4
votes
0 answers
Can't get `dispatchEvent` to fire in GHCJS
The goal is to get window.addEventListener("popstate", ... to fire from an event dispatched from GHCJS code.
Tried so far
GHCJS.DOM doesn't work
w <- currentWindowUnchecked
e <- newPopStateEvent "popstate" Nothing
dispatchEvent_ w…
Fresheyeball
- 29,567
- 20
- 102
- 164
4
votes
3 answers
How to convert a ByteString value to a JSVal
In the module GHCJS.DOM.JSFFI.Generated.CanvasRenderingContext2D there is the function putImageData with the following type:
putImageData ::
Control.Monad.IO.Class.MonadIO m =>
CanvasRenderingContext2D
-> Maybe GHCJS.DOM.Types.ImageData ->…
Jogger
- 1,617
- 2
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- 22
3
votes
0 answers
Using Web Component HTML tags with reflex
I try to use Web Components in Reflex. Code is as such:
buttonUI5 :: DomBuilder t m => T.Text -> m (Event t ())
buttonUI5 t = do
(e, _) <- element "ui5-button" def $ text t
return $ domEvent Click e
For ui5-button it worked as expected. Other…
Markus Kupke
- 31
- 2
3
votes
1 answer
Map of GType to function transforming a type to an IO String
This map is between a GType and an function that transforms an instance of that GType to an IO String. I am making a function that takes an element and gets a string representation of that element.
mapping =
[ (Types.gTypeHTMLSourceElement,…
michaelmesser
- 3,601
- 2
- 19
- 42
2
votes
1 answer
manage events in Haskell
I'm currently working with GHCJS.DOM/JSDOM in Haskell with the aim of create a small web application.
In order to capture the event "click on a button" I write the following code:
releaseAction <- on element click $ do
w <-…
Enrico Marchi
- 37
- 3
2
votes
1 answer
Installing reflex-dom likely to break ghcjs
I am trying to install reflex and reflex-dom using cabal install I got the following error messages:
$ cabal install reflex-dom
...
cabal: The following packages are likely to be broken by the…
john mangual
- 7,718
- 13
- 56
- 95
1
vote
1 answer
how to change tags with ghcjs-dom
I have found the ghcjs and ghcjs-dom documentation very limited. Here is this basic HTML document.
h1 { font-family: Helvetica; }
p {font-family: Helvetica; color: blue; }
Hello World
This is my test document.
I…
john mangual
- 7,718
- 13
- 56
- 95
1
vote
1 answer
Using GHCJS-DOM without webkitgtk
I have installed GHCJS and compiled a few "Hello, World" programs. Now I'd like to work with the DOM. Does anyone know if it is possible to install the ghcjs-dom package without webkitgtk? I'm having a lot of difficulty loading the webkitgtk…
Mark Karavan
- 2,654
- 1
- 18
- 38
0
votes
1 answer
problem with the installation of ghcjs-dom: out of memory installing jsaddle-dom
I have tried to install ghcjs-dom both with cabal or stack and I can't exclude jsaddle-dom. In particular, by making "stack build", it tries to install also jsaddle-dom, but my OS goes out of memory during the process. How can i fix it?
The ReadMe…
Enrico Marchi
- 37
- 3
0
votes
1 answer
removing the current listener from within EventM
Suppose I want to create, using ghcjs-dom, an event listener which responds to a click, and then removes itself.
I have
addListener :: (IsEventTarget t, IsEvent e)
=> t -> EventName t e -> SaferEventListener t e -> Bool -> IO…
Graham Leach-Krouse
- 143
- 6
0
votes
1 answer
Filter [Node] to [Element] with ghcjs-dom
I am using ghcjs-dom. How can I filter the elements out of an array of nodes?
import GHCJS.DOM.Types
nodesToElements :: [Node] -> [Element]
nodesToElements = ??
or
nodesToElements :: [Node] -> IO [Element]
nodesToElements = ??
michaelmesser
- 3,601
- 2
- 19
- 42
0
votes
1 answer
Is there a built in function to convert a NodeList to a real list (ghcjs-dom)?
How can I convert the result of Element.querySelectorAll body "h1" which is IO NodeList to IO (List Node). I know I could write a function myself. Is there a builtin function?
michaelmesser
- 3,601
- 2
- 19
- 42
0
votes
1 answer
ghcjs-dom-hello world does not respond to mouse clicks - ghc 7.10.1
I suppose this example should respond to mouse clicks: https://github.com/ghcjs/ghcjs-dom-hello , right ? But when I try it with GHC 7.10.1 under Firefox and Chrome nothing happens when I click on the page.
Any ideas ? I haven't tried it with GHC…
jhegedus
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