[wp-trac] [WordPress Trac] #36780: Bug with selecting rendered shortcodes in TinyMCE

[WordPress Trac]

#36780: Bug with selecting rendered shortcodes in TinyMCE
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 Reporter:  isabisa                     |      Owner:
     Type:  defect (bug)                |     Status:  new
 Priority:  normal                      |  Milestone:  Awaiting Review
Component:  TinyMCE                     |    Version:  4.5
 Severity:  normal                      |   Keywords:
  Focuses:  javascript, administration  |
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 I first noticed this issue when I updated my site to WP 4.5. In an attempt
 to troubleshoot it on my own, I disabled all plugins and changed the theme
 to Twenty Sixteen on my local development site. It is still happening,
 which makes me think it's a bug in core or TinyMCE.

 Here's what's happening:

 In a post that contains 2 or more shortcodes that are rendered into the
 editor (like [gallery] for example), without clicking inside the editor,
 scroll down and try to click on the second rendered shortcode. It will
 select the first rendered shortcode instead and jump back up to the top.
 This seems to happen sporadically. I can prevent this behavior by clicking
 and placing the cursor in text near the rendered shortcode I want to
 select.

 I noticed that when this happens, the wpview-wrap div that I click on
 gains the data-mce-selected="1" attribute for a split second before the
 attribute is removed and then added to the first .wpview-wrap in the
 TinyMCE body.

 I took a screen capture video of this strange behavior and uploaded it to
 YouTube: https://www.youtube.com/watch?v=g4an2qpmVEk

 Here's some more technical info:
 WP version: 4.5.2
 Theme: Twenty Sixteen
 Plugins: NONE
 System: VVV on OSX 10.10.4 (also happening on live site hosted on WP
 Engine and on another local dev site in HGV).
 Browser: Chrome Version 50.0.2661.94 (64-bit)

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Ticket URL: <https://core.trac.wordpress.org/ticket/36780>
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