Open Bug 948907 Opened 6 years ago Updated 6 years ago

Unable to scroll when selected text from textarea and outside of it

Categories

(Core :: DOM: Selection, defect)

defect
Not set

Tracking

()

People

(Reporter: bogdan_maris, Unassigned)

Details

(Keywords: testcase)

Attachments

(1 file)

Attached file testcase
Reproducible on Firefox 27 beta 1 (BuildID: 20131209204824):
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:27.0) Gecko/20100101 Firefox/27.0
Reproducible on the latest Aurora (BuildID: 20131211004000):
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:28.0) Gecko/20100101 Firefox/28.0
Reproducible on the latest Nightly (BuildID: 20131210030202): 
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:29.0) Gecko/20100101 Firefox/29.0

Steps to reproduce:
1. Start Firefox.
2. Unzip the testcase and load the HTML file in Firefox.
3. Select some text from textarea and outside it.
4. Click on the horizontal or vertical scrollbar and drag it to right or down

Expected results: The scroll works as expected.

Actual results: Unable to scroll, after a very small scroll the selected text is dragged.

Notes:
1. This issue is not a regression: it reproduces back to Firefox 4.0.
2. Does not reproduce on Chrome, Opera, Safari.
3. Screencast showing the issue http://www.screencast.com/t/Npap2P23LKs.
Regression window(m-c)
Good:
http://hg.mozilla.org/mozilla-central/rev/9af2a428dcb1
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.3a1pre) Gecko/20091211 Minefield/3.7a1pre ID:20091211044651
Bad:
http://hg.mozilla.org/mozilla-central/rev/d379a17cbf8f
Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.3a1pre) Gecko/20091212 Minefield/3.7a1pre ID:20091212045454
Pushlog:
http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=9af2a428dcb1&tochange=d379a17cbf8f

Suspected:
ade8ba415789	Masayuki Nakano — Bug 42676 Can't drag to extend selection out of blocks with overflow:hidden/auto/scroll r=Olli
Maybe duplication of Bug 491079
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