[wp-trac] [WordPress Trac] #29601: Page/Post Content Editor Scroll Glitch

[WordPress Trac]

#29601: Page/Post Content Editor Scroll Glitch
--------------------------+------------------------------
 Reporter:  TJR1994       |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:  4.0
 Severity:  minor         |  Resolution:
 Keywords:                |     Focuses:  ui
--------------------------+------------------------------
Description changed by SergeyBiryukov:

Old description:

> I recently updated a couple of websites I am developing to WordPress 4.0
> and I have noticed what appears to possibly be a slight bug with the UI.
> I have tested the bug in Internet Explorer, Mozilla FireFox and Google
> Chrome but it only appears to be present in Chrome (and when the zoom is
> set to 125%).
>
> If the content has around 23 lines (sometimes give or take a few and this
> includes blank ones) a scroll bar will appear on the right hand side of
> the content panel. The arrows on the scroll bar will be disabled but if
> you grab it with your mouse, everything that has been entered into the
> content panel will become invisible. The content will reappear however,
> when scrolling using the actual scroll bar for the main page.
>
> After some simple testing, I have only managed to produce the bug under
> the conditions described above (Google Chrome, 125% Zoom). It's nothing
> major but perhaps a small UI glitch that could be further investigated?
>
> The content of the post where I first noticed the glitch is as follows:
>
> !!! START OF CONTENT !!!
> <p>78 Derngate, Charles Rennie Mackintosh.  </p>
>
> <p>In 1917 the Northampton based model maker W.J Bassett-Lowke purchased
> 78 Derngate, Northampton. A standard 4 terrace property. The forward
> thinking Bassett-low tracked down the architect Charles Rennie Mackintosh
> at his Chelsea office to transform the property. They shared a taste for
> modern non fussy design and together designed 78 Derngate, Basset-Lowke
> was particularly hands on client.  </p>
>
> <p>The result is a stunning and incredibly practical house, with
> exceptional attention to detail. Influences from Japan, Africa, early
> signs of Art Deco and European design are all present. The rear of the
> property was extended 4ft to allow for a terrace and balcony, this floods
> light into the south facing rear rooms. The master bedroom has french
> doors and a balcony, inspired by a previous trip by basset-lowke to
> Europe and the Bathroom has a heated towl rail with Italian marble effect
> wall paper. Personally the back lit, stair screen wall found in the hall/
> lounge and bold decor in the Guest bedroom with its striking white and
> black stripes alongside, blue silk and squared edged oak furniture really
> stood out. A must see for any lovers of 20th century interior design.
>  </p>
>
> <p>The restoration of the building is amazing, with original pieces or
> those now found in museums being replicated, I would recommend the guided
> tour which was extremely informative, you will need a couple of hours to
> get the most from your visit.  </p>
>
> <p>78 Derngate is open February to Christmas, Tuesday to Sunday, 10am to
> 5pm. full price admission is £6.20 with concessions available. I would
> recommend a visit to their dining room restaurant, they serve fabulous
> afternoon tea!! For further details follow the link below:  </p>
>
> <p><a
> href="http://www.78derngate.co.uk">http://www.78derngate.org.uk/</a>
>  </p>
> !!! END OF CONTENT !!!

New description:

 I recently updated a couple of websites I am developing to WordPress 4.0
 and I have noticed what appears to possibly be a slight bug with the UI. I
 have tested the bug in Internet Explorer, Mozilla FireFox and Google
 Chrome but it only appears to be present in Chrome (and when the zoom is
 set to 125%).

 If the content has around 23 lines (sometimes give or take a few and this
 includes blank ones) a scroll bar will appear on the right hand side of
 the content panel. The arrows on the scroll bar will be disabled but if
 you grab it with your mouse, everything that has been entered into the
 content panel will become invisible. The content will reappear however,
 when scrolling using the actual scroll bar for the main page.

 After some simple testing, I have only managed to produce the bug under
 the conditions described above (Google Chrome, 125% Zoom). It's nothing
 major but perhaps a small UI glitch that could be further investigated?

 The content of the post where I first noticed the glitch is as follows:
 {{{
 !!! START OF CONTENT !!!
 <p>78 Derngate, Charles Rennie Mackintosh.  </p>

 <p>In 1917 the Northampton based model maker W.J Bassett-Lowke purchased
 78 Derngate, Northampton. A standard 4 terrace property. The forward
 thinking Bassett-low tracked down the architect Charles Rennie Mackintosh
 at his Chelsea office to transform the property. They shared a taste for
 modern non fussy design and together designed 78 Derngate, Basset-Lowke
 was particularly hands on client.  </p>

 <p>The result is a stunning and incredibly practical house, with
 exceptional attention to detail. Influences from Japan, Africa, early
 signs of Art Deco and European design are all present. The rear of the
 property was extended 4ft to allow for a terrace and balcony, this floods
 light into the south facing rear rooms. The master bedroom has french
 doors and a balcony, inspired by a previous trip by basset-lowke to Europe
 and the Bathroom has a heated towl rail with Italian marble effect wall
 paper. Personally the back lit, stair screen wall found in the hall/
 lounge and bold decor in the Guest bedroom with its striking white and
 black stripes alongside, blue silk and squared edged oak furniture really
 stood out. A must see for any lovers of 20th century interior design.
  </p>

 <p>The restoration of the building is amazing, with original pieces or
 those now found in museums being replicated, I would recommend the guided
 tour which was extremely informative, you will need a couple of hours to
 get the most from your visit.  </p>

 <p>78 Derngate is open February to Christmas, Tuesday to Sunday, 10am to
 5pm. full price admission is £6.20 with concessions available. I would
 recommend a visit to their dining room restaurant, they serve fabulous
 afternoon tea!! For further details follow the link below:  </p>

 <p><a href="http://www.78derngate.co.uk">http://www.78derngate.org.uk/</a>
  </p>
 !!! END OF CONTENT !!!
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/29601#comment:2>
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