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List: openjdk-openjfx-dev
Subject: Re: [External] : Re: Q: missing APIs needed for implementation of a rich text control
From: Andy Goryachev <andy.goryachev () oracle ! com>
Date: 2023-01-27 22:11:50
Message-ID: DM5PR1001MB2172E2359790B168B4C99504E5CC9 () DM5PR1001MB2172 ! namprd10 ! prod ! outlook ! com
[Download RAW message or body]
Martin:
I am trying to collect the JBS tickets that might impact a rich text contro=
l.
I am not sure why Windows does not go through InputMethodEvents, but it loo=
ks like there is enough inconsistency in the behavior on Linux to warrant a=
defect. Looks like someone was working on a fix and then it got dropped.
-andy
From: Martin Fox <martin@martinfox.com>
Date: Friday, January 27, 2023 at 13:55
To: Andy Goryachev <andy.goryachev@oracle.com>
Cc: openjfx-dev <openjfx-dev@openjdk.org>
Subject: [External] : Re: Q: missing APIs needed for implementation of a ri=
ch text control
Andy,
Could you elaborate on why you want to see KeyEvents for dead keys on Linux=
? https://bugs.openjdk.org/browse/JDK-8172867
On Windows dead keys are delivered as KeyEvents. The dead keys generate KEY=
_PRESSED events and the final composed character is delivered in a KEY_TYPE=
D event. This reflects how the OS handles dead keys.
On Mac dead keys are handled using InputMethodEvents. The dead keys generat=
ed composed events and the final character is presented as committed text. =
This also reflects how the OS handles dead keys.
X11 follows the Mac model but JavaFX does not implement this completely (it=
only sends the final commit event). I haven=92t delved into the code in de=
tail but I suspect fleshing out the InputMethodEvent path to match the Mac =
would be much easier than trying to force Linux to deliver the same event s=
tream as Windows.
Martin
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier \
New"">Martin:<o:p></o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier \
New""><o:p> </o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier New"">I am trying to collect \
the JBS tickets that might impact a rich text control.<o:p></o:p></span></p> <p \
class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier \
New""><o:p> </o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier \
New""><o:p> </o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier New"">I am not sure why \
Windows does not go through InputMethodEvents, but it looks like there is enough \
inconsistency in the behavior on Linux to warrant a defect. Looks like someone \
was working on a fix and then it got dropped.<o:p></o:p></span></p> <p \
class="MsoNormal"><span style="font-size:11.0pt;font-family:"Courier \
New""><o:p> </o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier \
New"">-andy<o:p></o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier \
New""><o:p> </o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier \
New""><o:p> </o:p></span></p> <p class="MsoNormal"><span \
style="font-size:11.0pt;font-family:"Courier \
New""><o:p> </o:p></span></p> <div style="border:none;border-top:solid \
#B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"> <p class="MsoNormal" \
style="margin-bottom:12.0pt"><b><span style="font-size:12.0pt;color:black">From: \
</span></b><span style="font-size:12.0pt;color:black">Martin Fox \
<martin@martinfox.com><br> <b>Date: </b>Friday, January 27, 2023 at 13:55<br>
<b>To: </b>Andy Goryachev <andy.goryachev@oracle.com><br>
<b>Cc: </b>openjfx-dev <openjfx-dev@openjdk.org><br>
<b>Subject: </b>[External] : Re: Q: missing APIs needed for implementation of a rich \
text control<o:p></o:p></span></p> </div>
<p class="MsoNormal"><span style="font-size:11.0pt">Andy,<o:p></o:p></span></p>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">Could you elaborate on why you \
want to see KeyEvents for dead keys on Linux? <a \
href="https://bugs.openjdk.org/browse/JDK-8172867">https://bugs.openjdk.org/browse/JDK-8172867</a><o:p></o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">On Windows dead keys are \
delivered as KeyEvents. The dead keys generate KEY_PRESSED events and the final \
composed character is delivered in a KEY_TYPED event. This reflects how the OS \
handles dead keys.<o:p></o:p></span></p> </div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">On Mac dead keys are handled \
using InputMethodEvents. The dead keys generated composed events and the final \
character is presented as committed text. This also reflects how the OS handles dead \
keys.<o:p></o:p></span></p> </div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">X11 follows the Mac model but \
JavaFX does not implement this completely (it only sends the final commit event). I \
haven’t delved into the code in detail but I suspect fleshing out the \
InputMethodEvent path to match the Mac would be much easier than trying to force \
Linux to deliver the same event stream as Windows.<o:p></o:p></span></p> <div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt">Martin<o:p></o:p></span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt"><o:p> </o:p></span></p>
</div>
</div>
</body>
</html>
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