Re: about Input Method

[Takanobu Maekawa]

Yamada-san,
thank you for your easy and consise advice and sample.
I can get what you told and my test applet goes well now.

regards.
--maeakwa


> Hi Maekawa-san,
> 
> Though my Curl environment is version 3 (not version 4), basic
> strategy to use IME (input method) might be same.
> 
> First of all, when a graphical object requires an in-line mode IME,
> the object should be ancestor (child) of InputMethodClient class.
> I,e, in your case, TestView or parent View class should be ancestor of
> InputMethodClient.  As Curl built in View is not ancestor of
> InputMethodClient, your own class TestView should be declared as child
> of InputMethodClient such like shown below.
> 
>     {import * from CURL.GUI.IME}
> 
>     {define-class public TestView {inherits View, InputMethodClient} ...
> 
> also, in constructor, tell Curl that your class TestView is
> responsible for displaying the composition string and visually
> indicating the current composition state.  This can be done by
> following setter,
> 
>     set self.supports-inline-mode? = true
> 
> Next, in order to get a Kanji-string from IME, your class TestView has
> to define a set of static handlers like followings,
> 
>       || Start IME conversion
>       {method public open {on-start-composition-event
>                             e:StartCompositionEvent
>                         }:void
>       {super.on-start-composition-event e}
>       || your trap code here
>       }
> 
>       || IME input
>       {method public open {on-composition-change-event
>                             e:CompositionChangeEvent
>                         }:void
> 
>       {super.on-composition-change-event e}
> 
>       {if e.string.size > 0 then
>           set self.td.value = e.string
>       }
>       }
> 
>       || Finish IME input
>       {method public open {on-composition-result-event
>                             e:CompositionResultEvent
>                         }:void
>       {super.on-composition-result-event e}
>       set self.td.value = {format "done (%s)", e.string}
>       }
>     }
> 
> For a complete code (for version 3), see attachment.
> 
> Hope this helps to solve your problem.
> 
> Best Regards,
> Steven Y.

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