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Hi Ambarish,<br>
<br>
the first point is not valid. Please, ignore it.<br>
<br>
--Semyon<br>
<br>
<div class="moz-cite-prefix">On 3/1/2016 11:14 AM, Semyon Sadetsky
wrote:<br>
</div>
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Hi Ambarish,<br>
<br>
- The over scroll remains after the proposed fix.<br>
<br>
- The bug is a regression of 7092551 and should be labeled
correspondingly.<br>
<br>
- An automatic test may and should be provided with the fix.<br>
<br>
- The same issue existing in the TextArea should be fixed as well.<br>
<br>
--Semyon<br>
<br>
<br>
<div class="moz-cite-prefix">On 2/11/2016 12:23 PM, Ambarish Rapte
wrote:<br>
</div>
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<div class="WordSection1">
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"> Please review the fix for
JDK9,<o:p></o:p></p>
<p class="MsoNormal"> Bug: <a
moz-do-not-send="true" class="moz-txt-link-freetext"
href="https://bugs.openjdk.java.net/browse/JDK-8149636"><a class="moz-txt-link-freetext" href="https://bugs.openjdk.java.net/browse/JDK-8149636">https://bugs.openjdk.java.net/browse/JDK-8149636</a></a><o:p></o:p></p>
<p class="MsoNormal"> Webrev: <a
moz-do-not-send="true" class="moz-txt-link-freetext"
href="http://cr.openjdk.java.net/%7Earapte/8149636/webrev.00/"><a class="moz-txt-link-freetext" href="http://cr.openjdk.java.net/~arapte/8149636/webrev.00/">http://cr.openjdk.java.net/~arapte/8149636/webrev.00/</a></a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Issue:<o:p></o:p></p>
<p class="MsoNormal"> While scrolling with
selection, when mouse is dragged outside the bounds of
TextField,<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:.75in;text-indent:-.25in;mso-list:l0
level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">a.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->TextField
flickering is observed<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:.75in;text-indent:-.25in;mso-list:l0
level1 lfo1"><!--[if !supportLists]--><span
style="mso-list:Ignore">b.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->TextField
over scrolls on right. Text gets hidden on left side even
when no scroll is needed.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Cause:<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:.75in;text-indent:-.25in;mso-list:l1
level1 lfo2"><!--[if !supportLists]--><span
style="mso-list:Ignore">a.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->Flicker
– <br>
For simulating scroll, scroll bar information is used.<br>
To get correct scroll info, scroll bar should be visible.<br>
Showing and hiding of scroll bar causes the flickering.<br>
<br>
<o:p></o:p></p>
<p class="MsoListParagraph"
style="margin-left:.75in;text-indent:-.25in;mso-list:l1
level1 lfo2"><!--[if !supportLists]--><span
style="mso-list:Ignore">b.<span style="font:7.0pt
"Times New Roman""> </span></span><!--[endif]-->Over
Scroll – <o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.75in">The
scrolling logic scrolled the textField in units of half the
si.nPage. i.e. (si.inPage / 2) maximum till si.nMax,<br>
Which causes the over scroll.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Fix:<o:p></o:p></p>
<p class="MsoNormal"> ES_AUTOHSCROLL set for
the TextField enables the automatic horizontal scrolling, so
we need not add code for scrolling.<o:p></o:p></p>
<p class="MsoNormal"> Only selection should be
updated as the mouse moves.<o:p></o:p></p>
<p class="MsoNormal"> Hence removed the code to
related to SendMessage( WM_HSCROLL,…) i.e. scrolling<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Verification:<o:p></o:p></p>
<p class="MsoNormal"> Manually Verified that
textField editing / selection / copy / paste works fine.<o:p></o:p></p>
<p class="MsoNormal"> No Jtreg, JCK tests
related to TextField fail due to this change.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> Updated an existing test
<b>ScrollSelectionTest.java </b>to test the scenarios
mentioned in the bug.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Ambarish<o:p></o:p></p>
<p class="MsoNormal"> <o:p></o:p></p>
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