"ALT + circumflex" can be set in the keybinding settings and conflict with unity

Bug #871931 reported by Mr. Blonde on 2011-10-10
20
This bug affects 4 people
Affects Status Importance Assigned to Milestone
Compiz
Low
Unassigned
Compiz Core
Low
Unassigned
compiz (Ubuntu)
Low
Marnanel Thurman
gnome-control-center (Ubuntu)
Low
Unassigned

Bug Description

Ubuntu 11.10

"ALT + circumflex" can be mapped in the keyboard settings despite being reserved for the new ALT + tab extended functionality, making it execute two functions at once with severe side effects (GUI freeze, but keys are still responsive -> key smashing during freeze results in possible destruction of user data).

Sam_ (and-sam) on 2011-10-10
affects: ubuntu → gnome-control-center (Ubuntu)
Changed in gnome-control-center (Ubuntu):
importance: Undecided → Low
Sebastien Bacher (seb128) wrote :

Not sure what is the right way to fix those issues, it's likely to make g-c-c aware of the unity keybindings and have them integrated in the system settings dialog

summary: - "ALT + circumflex" can be mapped twice
+ "ALT + circumflex" can be set in the keybinding settings and conflict
+ with unity
Changed in unity (Ubuntu):
importance: Undecided → Low
Changed in gnome-control-center (Ubuntu):
status: New → Confirmed
Changed in unity (Ubuntu):
assignee: nobody → Thomas Thurman (marnanel)
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in unity (Ubuntu):
status: New → Confirmed
Torsten Bronger (bronger) wrote :

This situation is very unfortunate for people using applications which need Alt+^ because it cannot be switched off (as far as I can see). I use Emacs, where Alt+^ is an important functionality. Besides, Alt+^ is of little help on small keyboards with Fn key.

So please make the Unity keybinding configurable.

Didier Roche (didrocks) on 2011-11-22
Changed in unity:
status: New → Confirmed
Sean W (wendt-sean) wrote :

Alt+Circumflex is used in Japanese IME for Windows to switch input mode. Had IBUS in 10.04 configured to use the same keys for activating Anthy. Having to relearn the keys has significant impact on productivity.

So please make the Unity keybinding configurable.

Daniel van Vugt (vanvugt) wrote :

Workaround:
1. Install compizconfig-settings-manager
2. Run: ccsm
3. Explore the many options and remove/change the keyboard shortcuts that are conflicting.

affects: unity (Ubuntu) → compiz (Ubuntu)
affects: unity → compiz-core
Changed in compiz-core:
importance: Undecided → Low
Sean W (wendt-sean) wrote :

The workaround *kinda* works. Here's how it did for me:
1. start ccsm
2. activate Ubuntu Unity Plugin -> Switcher -> Key to flip through the windows in the switcher. You will find this option is deactivated. Binding it will not unbind alt+circumflex right away
3. activate Application Switcher Plugin. Click through errors for doubly used bindings
4. play around with both plugins to no avail, notice how alt+circumflex can't be unbound
5. restart system and magically find key unbound

Changed in compiz:
importance: Undecided → Low
status: New → Confirmed
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