Closed Bug 590417 Opened 9 years ago Closed 9 years ago

Resizing window width cause layout problem (CSS float).

Categories

(Core :: Layout, defect)

defect
Not set

Tracking

()

RESOLVED FIXED
mozilla2.0
Tracking Status
blocking2.0 --- betaN+

People

(Reporter: alice0775, Assigned: dbaron)

References

()

Details

(Keywords: regression)

Attachments

(2 files)

Attached file reduced testcase
User-Agent:       Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b5pre) Gecko/20100824 Minefield/4.0b5pre ID:20100824040950
Build Identifier: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b5pre) Gecko/20100824 Minefield/4.0b5pre ID:20100824040950

Resizing window width cause layout problem.
Three columns layout is broken.

Reproducible: Always

Steps to Reproduce:
1. Start Minefield with new profile
2. Open URL ( http://www.mozilla.org/index.html or testcase )
3. Resize window width very slowly
4. Watch layout of "WE'RE ..." 

Actual Results:
 Third column of "WE'RE ..." is wrong position.
 It should be in three column

Expected Results:
 It should be layouted in three column

Regression window:
Works:
http://hg.mozilla.org/mozilla-central/rev/31bd5d612e6f
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b4pre) Gecko/20100811 Minefield/4.0b4pre ID:20100811120652

Fails:
http://hg.mozilla.org/mozilla-central/rev/fd26456949ad
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:2.0b4pre) Gecko/20100811 Minefield/4.0b4pre ID:20100811133834
Pushlog:
http://hg.mozilla.org/mozilla-central/pushloghtml?fromchange=31bd5d612e6f&tochange=fd26456949ad
Attached image screenshot
Blocks: 551425
Summary: Resizing window width cause layout problem. → Resizing window width cause layout problem (CSS float).
Target Milestone: --- → mozilla2.0
blocking2.0: --- → ?
Sorry, I correct bug #.
Revert to 4643426a1523 : fails
Revert to 4c518456865a : works
So, this regressed by Bug 585715
Blocks: 585715
No longer blocks: 551425
David, do your followup calc patches fix this?
I think the round of patches I just landed should fix this; see bug 585715 comment 21.
This was fixed by the nsRuleNode.cpp change in
http://hg.mozilla.org/mozilla-central/rev/6c9f878d44ab
Assignee: nobody → dbaron
Status: NEW → RESOLVED
Closed: 9 years ago
OS: Windows 7 → All
Hardware: x86 → All
Resolution: --- → FIXED
blocking2.0: ? → betaN+
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