Firefox scales its interface inconsistently with the GNOME and Unity desktop environments

Bug #1455103 reported by Alberto Salvia Novella on 2015-05-14
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Mozilla Firefox
New
Medium
firefox (Ubuntu)
Medium
Unassigned
Nominated for Vivid by Alberto Salvia Novella

Bug Description

- Expected: <https://launchpadlibrarian.net/206501594/Expected.png>.
- Real: <https://launchpadlibrarian.net/206501632/Real.png>.

CASE 1: NOT SCALING
1. Open the "Firefox" application, and observe the current size of buttons and the start web-page.
2. Close the "Firefox" application.
3. In the "System Settings" application, go to the "Screen Display" section.
4. Set the "Scale for menus and title bars" option to 1.38.
5. Open the "Firefox" application, and observe that the current size of buttons and the start web-page has not been scaled.

CASE 2: SCALING TOO MUCH
1. Open the "Firefox" application.
2. Go to the "Tools --> Add-ons" menu.
3. In the "Get Add-Ons" tab, search for the "Zoom Page" add-on and install it.
4. In the "Extensions" tab, click on the "Zoom Page" add-on preferences button.
5. In the "Zoom Levels" tab, set the "Default Zoom Level (%)" option box to "150".
6. Go to the Firefox start page, and observe that the web-page sized has been scaled a 150%.
7. Go to the "Tools --> Add-ons" menu.
8. In the "Extensions" tab, click on the "Zoom Page" add-on preferences button.
9. In the "Zoom Levels" tab, set the "Default Zoom Level (%)" option box to "100".
10. In the "Extensions" tab, click on the "Zoom Page" add-on remove button.
11. Close the "Firefox" application.
12. In the "System Settings" application, go to the "Screen Display" section.
13. Set the "Scale for menus and title bars" option to 1.38.
14. Open the "Firefox" application, and observe that the current size of buttons and the start web-page has been scaled a 200%, instead of a 150%.

ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: firefox 38.0+build3-0ubuntu0.15.04.1
ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
Uname: Linux 3.19.0-16-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC2: es20490446e 1699 F.... pulseaudio
 /dev/snd/controlC1: es20490446e 1699 F.... pulseaudio
 /dev/snd/controlC0: es20490446e 1699 F.... pulseaudio
BuildID: 20150511103303
Channel: Unavailable
CurrentDesktop: Unity
Date: Thu May 14 15:05:07 2015
Extensions: extensions.sqlite corrupt or missing
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite)
InstallationDate: Installed on 2013-05-21 (722 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
IpRoute:
 default via 192.168.2.1 dev eth0 proto static metric 1024
 10.0.3.0/24 dev lxcbr0 proto kernel scope link src 10.0.3.1
 169.254.0.0/16 dev eth0 scope link metric 1000
 192.168.2.0/24 dev eth0 proto kernel scope link src 192.168.2.120
IwConfig:
 eth0 no wireless extensions.

 lo no wireless extensions.

 lxcbr0 no wireless extensions.
Locales: extensions.sqlite corrupt or missing
MostRecentCrashID: bp-497acbba-b597-4c08-b169-55ac52150306
Plugins: IcedTea-Web Plugin (using IcedTea-Web 1.5.2 (1.5.2-1ubuntu2)) - /usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/IcedTeaPlugin.so (icedtea-7-plugin)
PrefSources: prefs.js
Profiles: Profile0 (Default) - LastVersion=38.0/20150511103303
RelatedPackageVersions: icedtea-7-plugin 1.5.2-1ubuntu2
RfKill:

RunningIncompatibleAddons: False
SourcePackage: firefox
Themes: extensions.sqlite corrupt or missing
UpgradeStatus: Upgraded to vivid on 2015-04-25 (19 days ago)
dmi.bios.date: 02/18/2008
dmi.bios.vendor: Phoenix Technologies, LTD
dmi.bios.version: 6.00 PG
dmi.board.name: MS-7358
dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD
dmi.board.version: Fab D
dmi.chassis.type: 3
dmi.chassis.vendor: OEM
dmi.chassis.version: OEM
dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvr6.00PG:bd02/18/2008:svnMEDIONPC:pnMS-7358:pvrOEM:rvnMICRO-STARINTERNATIONALCO.,LTD:rnMS-7358:rvrFabD:cvnOEM:ct3:cvrOEM:
dmi.product.name: MS-7358
dmi.product.version: OEM
dmi.sys.vendor: MEDIONPC

description: updated
tags: added: regression-update
Changed in firefox:
importance: Undecided → Unknown
status: New → Unknown
Changed in firefox (Ubuntu):
status: New → Triaged
summary: - Firefox scales its interface inconsistently
+ Firefox scales its interface inconsistently with the GNOME and Unity
+ desktop environments
description: updated
description: updated
tags: removed: regression-update
description: updated
Changed in firefox:
importance: Unknown → Medium
status: Unknown → New
Daniel van Vugt (vanvugt) wrote :

Thank you for reporting this bug to Ubuntu.
Ubuntu 15.04 (vivid) reached end-of-life on February 4, 2016.

See this document for currently supported Ubuntu releases:
https://wiki.ubuntu.com/Releases

We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed.

Changed in firefox (Ubuntu):
status: Triaged → Won't Fix
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