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[Bug 664273] [NEW] Window picker doesn't give back key binding


Public bug reported:

Binary package hint: compiz

After leaving the window picker through use of a hot corner, the
keybinding for 'zoom window' is not returned, and so that key cannot be
used with other programs unless compiz is restarted.

Steps to reproduce:

In the 'scale addons' plugin, set a single key for 'zoom window'. I'll use spacebar as an example.
In simple ccsm, set a hot corner to 'initiate window picker'.
Put your mouse in that corner to initiate the window picker.
Put your mouse in the same corner again to return from the window picker.

Expected behaviour:

spacebar (or whatever key was set) should be able to be used normally
whilst not in the window picker.

Actual behaviour:

After using the window picker, spaces can't be typed anymore. xev
instead registers a press of the spacebar as:

FocusOut event, serial 36, synthetic NO, window 0x5600001,
    mode NotifyGrab, detail NotifyAncestor

FocusIn event, serial 36, synthetic NO, window 0x5600001,
    mode NotifyUngrab, detail NotifyAncestor

KeymapNotify event, serial 36, synthetic NO, window 0x0,
    keys:  2   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   
           0   0   0   0   0   0   0   0   0   0   0   0   0   0   0   0

This problem only occurs when using a hot corner to both enter and exit the window picker. If say super-w is used to enter, and corner to exit, or corner to enter and super-w to exit, or super-w to both enter and exit, the spacebar continues to work normally.

I'm using ubuntu 10.10 64 bit, with compiz 1:0.8.6-0ubuntu9, as listed
by the package manager.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: compiz 1:0.8.6-0ubuntu9
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic
Uname: Linux 2.6.35-22-generic x86_64
Architecture: amd64
CompizPlugins: [core,ccp,move,resize,place,decoration,commands,text,regex,gnomecompat,workarounds,imgjpeg,crashhandler,dbus,mousepoll,shift,png,svg,grid,wall,animation,animationaddon,obs,wobbly,expo,scale,ezoom,scaleaddon]
Date: Thu Oct 21 13:20:16 2010
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
 Bus 002 Device 003: ID 147e:1000 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor
 Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: System76, Inc. Pangolin Performance
PackageArchitecture: all
PciDisplay: 02:00.0 VGA compatible controller [0300]: ATI Technologies Inc M92 [Mobility Radeon HD 4500 Series] [1002:9553] (prog-if 00 [VGA controller])
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=625ed789-1cb3-4081-9c7e-f812810b5126 ro quiet splash acpi_os_name=Linux acpi_osi=Linux vga=795
 xserver-xorg 1:7.5+6ubuntu3
 libgl1-mesa-glx 7.9~git20100924-0ubuntu2
 libdrm2 2.4.21-1ubuntu2.1
 xserver-xorg-video-intel 2:2.12.0-1ubuntu5
 xserver-xorg-video-ati 1:6.13.1-1ubuntu5
SourcePackage: compiz
XorgConf: Error: [Errno 2] No such file or directory: '/etc/X11/xorg.conf'
dmi.bios.date: 06/07/2010
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: CALPELLACRB.86C.0000.X.0000000000
dmi.board.asset.tag: Tag 12345
dmi.board.name: W76x/M77xCUH
dmi.board.vendor: CLEVO
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: CLEVO
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvrCALPELLACRB.86C.0000.X.0000000000:bd06/07/2010:svnSystem76,Inc.:pnPangolinPerformance:pvrpanp7:rvnCLEVO:rnW76x/M77xCUH:rvrNotApplicable:cvnCLEVO:ct9:cvrN/A:
dmi.product.name: Pangolin Performance
dmi.product.version: panp7
dmi.sys.vendor: System76, Inc.
system: distro = Ubuntu, architecture = x86_64, kernel = 2.6.35-22-generic

** Affects: compiz (Ubuntu)
     Importance: Undecided
         Status: New

** Tags: amd64 apport-bug maverick

Window picker doesn't give back key binding
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