Text and the scroll bar are not displayed with writing-mode: vertical-rl




3 years ago
2 months ago


(Reporter: alice0775, Unassigned)


(Depends on 1 bug, Blocks 1 bug, {parity-chrome, parity-edge})

Dependency tree / graph

Firefox Tracking Flags

(firefox48 affected)



(1 attachment)



3 years ago
Posted file testcase
Build Identifier:
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0 ID:20160327030437

Edge and Chrome work as expected.

Reproducible: always

Steps To Reproduce:
1. Open attached testcase

Actual Results:
Text and the scroll bar are not displayed

Expected Results:
Text"abcd" should be visible at initial page loading. 
And horizontal scroll bar should be provided.


3 years ago
Blocks: writing-mode
Duplicate of this bug: 1268282
> 8. The Principal Writing Mode
> The principal writing mode of the document is determined by the writing-mode
> and direction values specified on the root element. This writing mode is
> used, for example, to determine the direction of scrolling and the default
> page progression direction.
> As a special case for handling HTML documents, if the root element has a
> <body> child element [HTML5], the principal writing mode is instead taken
> from the values of writing-mode and direction on the first such child
> element instead of taken from the root element. Note that this does not
> affect the values of writing-mode or direction on the root element itself.

So this is our fault.
Depends on: 1102175

Comment 3

3 years ago
When trying attachment 8735300 [details] with Firefox 52.0a1 buildID=20161017030209:

- an horizontal scrollbar is rendered
- "abcd" text is accessible
- "abcd" text is not visible at initial page load: you must use the horizontal scrollbar to see it
- the horizontal scrollbar thumb is not draggable (we have encountered and reported this symptom in other bug reports)

Comment 4

3 years ago
Yep, There is small progression. scrollbar is displayed on 51.0a2+, but not on beta50.
Mass bug change to replace various 'parity' whiteboard flags with the new canonical keywords. (See bug 1443764 comment 13.)
Whiteboard: [parity-Chrome][parity-Edge]

Comment 6

3 months ago

Is the intention to only show scrollbars, or should the scrollbars also be scrollable using the mouse-wheel?

Currently, if I visit this blog post (tick the checkbox in the top-left corner for writing-mode: vertical-rl!) https://www.chenhuijing.com/zh-type/

Then scrolling using the mouse-wheel does not function at all.

This is also an issue in Chrome v73.0.3683.75, however everything works as expected in Edge v44.17763.1.0.

Similar issue: https://bugs.chromium.org/p/chromium/issues/detail?id=934275

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