<AWT Dev> RFR: 8258805: Japanese characters not entered by mouse click on Windows 10

[Dmitry Markov]

On Wed, 20 Jan 2021 07:35:18 GMT, Ichiroh Takiguchi <itakiguchi at openjdk.org> wrote:

>> How do the native components work in that case like awt textarea or external apps like notepad?
>
>> How do the native components work in that case like awt textarea or external apps like notepad?
> 
> I tested TextField+TextField, TextArea+TextArea, TextArea+TextField.
> Without fix: Preedit string was cancel by input focus change.
> With fix: Preedit string was committed into clicked component.
> 
> For external application, I used Sakura Editor, because it can create 2 editor panes on one window.
> Preedit string was committed before moving input focus.

> I tried attached testcase.
> 
> ```java
> import java.awt.*;
> import java.awt.event.*;
> 
> public class AWTTextTest1 extends Frame {
>     AWTTextTest1() {
>         setTitle("AWTTextTest1");
>         setLayout(new GridLayout(0, 1));
>         add(new TextField());
>         add(new TextField());
>         addWindowListener(new WindowAdapter() {
>             public void windowClosing(WindowEvent we) {
>                 System.exit(0);
>             }
>         });
>         setSize(400, 300);
>         setVisible(true);
>     }
>     public static void main(String[] args) {
>         new AWTTextTest1();
>     }
> }
> ```
> 
> 1. Start testcase
> 2. Click upper TextField, turn on IME, type some character (In case of Japanese, type "aiu")
> 3. Click lower TextField, preedit string is committed into lower TextField.
> 
> Without the fix, preedit string was canceled by above operation.

Hello Ichiroh,

Thank you for the details. I can reproduce it. I will look into this..

Regards,
Dmitry

-------------

PR: https://git.openjdk.java.net/jdk/pull/2142