[Bug 910212] [NEW] Workspace switcher displays badly on dual monitors

[Dr Michael Brooks]

Public bug reported:

On Oneiric with Unity, when using dual monitors in different
orientations (Samsung 1440 x 900, one landscape, one portrait, ATI
Radeon graphics card), the workspace switcher fails to display
correctly:

Expected:
- Previews of the four workspaces visible on both monitors, ability to drag and drop windows between the workspaces on either monitor
- Ability to select workspace with mouse on either monitor, and change to that workspace with a double-click

Actual:
- On the left (landscape) screen the four workspace previews can be interacted with only if the desktop area originating from the left screen in each workspace preview is clicked. The portion of the desktop originating from the right screen does not respond.
- On the right screen, the four workspace preview windows display with much artifact above and below. The workspace previews cannot be selected nor interacted with on this screen.
- It is impossible to drag windows from one workspace preview window to another on either screen.
- Clicking on the top half of the bottom two workspace previews causes the workspace above to be switched to despite the lower workspace showing the 'selected' orange rectangle around it.

(Installing the proprietary ATI linux drivers causes the second screen
to become a fixed mirror only with no option to extend the desktop onto
it, thus this is not an acceptable solution.)

---

Ubuntu 11.10
Pkg: Unity 4.24.0-0ubuntu2b1

** Affects: ubuntu-meta (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: switcher unity workspace

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https://bugs.launchpad.net/bugs/910212

Title:
  Workspace switcher displays badly on dual monitors

Status in “ubuntu-meta” package in Ubuntu:
  New

Bug description:
  On Oneiric with Unity, when using dual monitors in different
  orientations (Samsung 1440 x 900, one landscape, one portrait, ATI
  Radeon graphics card), the workspace switcher fails to display
  correctly:

  Expected:
  - Previews of the four workspaces visible on both monitors, ability to drag and drop windows between the workspaces on either monitor
  - Ability to select workspace with mouse on either monitor, and change to that workspace with a double-click

  Actual:
  - On the left (landscape) screen the four workspace previews can be interacted with only if the desktop area originating from the left screen in each workspace preview is clicked. The portion of the desktop originating from the right screen does not respond.
  - On the right screen, the four workspace preview windows display with much artifact above and below. The workspace previews cannot be selected nor interacted with on this screen.
  - It is impossible to drag windows from one workspace preview window to another on either screen.
  - Clicking on the top half of the bottom two workspace previews causes the workspace above to be switched to despite the lower workspace showing the 'selected' orange rectangle around it.

  (Installing the proprietary ATI linux drivers causes the second screen
  to become a fixed mirror only with no option to extend the desktop
  onto it, thus this is not an acceptable solution.)

  ---

  Ubuntu 11.10
  Pkg: Unity 4.24.0-0ubuntu2b1

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