Small gap appears in Firefox main window after first use of globalmenu

Bug #1402059 reported by Carlo Cannas on 2014-12-12
This bug affects 3 people
Affects Status Importance Assigned to Milestone
firefox (Ubuntu)

Bug Description

To reproduce:

1. Start Firefox on Unity
2. Open any menu from the globalmenu (e.g. File) of main window
3. Notice that the toolbars have moved 2px below their original position (see attachment)

This seems to happen only on the main window, other windows such as the Scratchpad window don't show the problem.

I added to my userChrome.css the following piece of code:

window[shellshowingmenubar="true"] toolbar[type="menubar"]:not([customizing="true"]){
 height: 0 !important;

That solved the problem for me, and so far I didn't found anything broken by that CSS rule. So it should be enough to put it in xul.css by unity-menubar.patch.

Carlo Cannas (carlo94) wrote :
description: updated
Carlo Cannas (carlo94) on 2014-12-14
description: updated
Adolfo Jayme (fitojb) on 2015-01-18
Changed in firefox (Ubuntu):
status: New → Triaged
importance: Undecided → Medium
Aibara Iduas (aibaraiduas) wrote :

This is still a problem in Firefox 44 on a stock install of 15.10. When Unity's menu bar is opened, Firefox's menu bar is opened as well, but it only shows up as a two pixel-tall line. If you go to the customize screen the thin line is visible there; you can even add icons and whatnot to it.

This probably hasn't gotten the attention it deserves because older Firefox profiles may not be affected. Well, those two lines of pixels are lost but the tabs don't suddenly shift down so you don't notice that anything is wrong (I didn't realize the issue until I reset my Firefox profile). I'm not sure what version of Firefox changed this behavior.

Regardless, I can confirm Carol Cannas' fix works great.

Aibara Iduas (aibaraiduas) wrote :

This same issue also affects Thunderbird. Carol Cannas' fix works for that as well.

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