Re: [wxhaskell-users] Combo Box that Suggests Options - wxHaskell

[Paulo P. <po...@gm...>]

On 17 October 2011 15:58, Van Nguyen <ngu...@gm...> wrote:
> I try to implement an Combo Box that Suggests Options.
> Eg: if I enters "ES" in the symbol box, only those items that have ES somewhere
> in their name will show
> up, like ESCAPE, TEST.
> But the implemented ComboBox doesn't show dropdow list,
> show user must click on button of ComboBox to show it.
>
> Source:
>
> import Graphics.UI.WX
> import Graphics.UI.WXCore
> import Graphics.UI.WX.Events
> import Data.List
> symbols =
> ["ESH11","VIETTEL","METFONE","VIETNET","MENFONE","HUNET"]
>
> --filter item in the symbols list
> searchString :: String -> String -> String
> searchString strInput strRaw = do
>                          if strInput `isInfixOf` strRaw then
>                              strRaw
>                           else
>                              ""
>
> dataManager :: IO ()
> dataManager = do
>  frmDataManager <- frame [text:= "Data Manager"]
>  cbbSymbols <- comboBoxEx frmDataManager wxCB_DROPDOWN [visible := True]

The style you are using is "wxCB_DROPDOWN".

>From [1], there is another style called "wxCB_SIMPLE", maybe that is
what you want.

Image example of both is show at [2].

--
[1] http://docs.wxwidgets.org/trunk/classwx_combo_box.html
[2] http://www.java2s.com/Tutorial/Python/0380__wxPython/Twocomboboxes.htm