Description of problem:
Turning ibus on or off does frequently makes the tool window either semitransparently reapear after switching to another window (and is not clickable/working) or not appear (save for its shadow and it is clickable/working). I can seem to trigger this only when I have compositing in metacity enabled. Tried chewing and anthy inputs, both suffer from this.
Version-Release number of selected component (if applicable):
seems to be always reproducible sans some applications (e.g. when switching to ibus settings window, it seems to behave correctly)
Steps to Reproduce:
1. turn on metacity compositing (gconf->apps->metacity->general->compositin_manager)
2. open two gtk applications that take input from keyboard (e.g. two gnome-terminals)
3. switch to and fro between those two applications while randomly turning ibus on and off
Usually after turning it off and switching to other window, the toolbox reappear (but is semitransparent and not clickable/working), switching back, turning on and off again and switching again to the other window seems to work as expeced. Switch back to the first window and turn it on again, usually blank (fully transparent) toolbox appears. Turning off and on again fix it (or switching again to and fro between the two applications without explicitly turning it on/off).
Turns on and off without the strange side effects.
It seems impossible to make a screenshot of the not-appearing one, hitting print screen makes it reappear. Screenshot of the "false positive" is at https://www.redhat.com/archives/fedora-test-list/2009-May/png1jbZyCgtB3.png
Please try ibus with compiz. I can not reproduce this problem with compiz. I think it is bug in metacity.
(In reply to comment #2)
> Please try ibus with compiz. I can not reproduce this problem with compiz. I
> think it is bug in metacity.
I'm afraid I cannot do that. Just tried enabling compiz via System->Preferences->Look and Feel->Desktop Effects and it told me that it cannot be enabled... So I cannot confirm this test case :(
This bug appears to have been reported against 'rawhide' during the Fedora 11 development cycle.
Changing version to '11'.
More information and reason for this action is here:
*** Bug 509898 has been marked as a duplicate of this bug. ***
To answer a question asked in the other bug:
metacity and compiz are different implementations, thus their behaviour differs in handling certain corner cases. I'd say that ibus probably does not pick the best window type for this toolbar, or doesn't do the right thing to make it disappear.
Created attachment 351707 [details]
test case for reproducing this bug
I created a test case in python for reproducing this bug. In this test case, it just calls gtk_window_set_opacity after gtk_widget_hide_all. I think metacity should handle this case correctly.
(In reply to comment #7)
> Created an attachment (id=351707) [details]
> test case for reproducing this bug
> I created a test case in python for reproducing this bug. In this test case, it
> just calls gtk_window_set_opacity after gtk_widget_hide_all. I think metacity
> should handle this case correctly.
Quick testing here with metacity-2.26.0-1.fc11.i586:
* as it is the window stays visible after clicking hide
* when removed set_opacity in the init, the window initially hides after clicking hide, but reappears after switching between other windows
* when removed set_opacity in the hide func. it behaves as expected (i.e. the window hides forever)
Confirmed in metacity-2.28.0-9.fc12.i686.
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Still present in F12, currently:
So far, I have not been able to reproduce on F13.
Based on above comment I am closing this. If this bug is appearing in F13/F14 please reopen this bug.