Description of problem: My usual way to switch between IMs are Ctrl-Space, but with F18, I found that after I pressed Ctrl and Space, if I release the keys in the normal way, almost immediately, the Gnome desktop won't do the switching, I have to release the keys in 1 or 2 seconds delay, so the switching could get effective. Version-Release number of selected component (if applicable): ibus-1.5.1-2.fc18.x86_64 ibus-libpinyin-1.4.93-4.fc18.x86_64 libpinyin-data-0.8.1-1.fc18.x86_64 libpinyin-0.8.1-1.fc18.x86_64 How reproducible: always Steps to Reproduce: 1. Enable libpinyin, setup Ctrl-Space as switching hot key 2. press ctrl-space to switch IMs 3. enter following sentence to test as well "我在Red Hat工作“，key stoke squence in pinyin is "wo zai Red Hat gong zuo" Actual results: Expected results: Additional info:
ibus 1.5.2 will be released soon in Fedora. But it would be great if you could test ibus-1.5.1-3 which includes the fix.
I tried to build a upstream version of ibus, on: http://pwu.fedorapeople.org/ibus/ibus-1.5.1-3.fc20.src.rpm It seems that the upstream tar ball still have similar problems, especially when: 1. Ctrl and Space key are pressed in the same time; 2. Space key is slightly pressed ahead of Ctrl key;
I tried on XFCE desktop with the above upstream ibus package, it seems less affected by the above problem.
(In reply to comment #2) > 1. Ctrl and Space key are pressed in the same time; > 2. Space key is slightly pressed ahead of Ctrl key; I guess you use gnome-shell and gnome-shell needs to release Ctrl key at last. I'm not sure if it can be fixed. Is that the original bug the submitter filed?
(In reply to comment #4) > Is that the original bug the submitter filed? I think so.
So should we open an upstream gnome bug related to this?
I just find a key sequence to trigger this bug for gnome-shell: press Ctrl, press Space, release Ctrl, release Space. The XFCE is not affected by the above key sequence. Guess in XFCE the switcher key is handled by ibus panel, in gnome-shell this is handled by gnome-settings-daemon.
Can be reproduced with any input source, is not limited to libpinyin. It also happens when switching between keyboard layouts.
GNOME upstream bug filed: Bug 697161 - input method switch in gnome-shell sometimes hard to trigger https://bugzilla.gnome.org/show_bug.cgi?id=697161
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