On 03/20/2018 10:47 AM, Martin Flöser wrote: > Am 2018-03-19 21:25, schrieb Heather Ellsworth: >> On 03/17/2018 02:41 PM, Martin Flöser wrote: >>> >>> >>> Am 17. März 2018 02:01:24 MEZ schrieb Heather Ellsworth >>> <heather.ellswo...@puri.sm>: >>>> On 03/15/2018 09:10 PM, Bhushan Shah wrote: >>>>> Hello Heather, >>>>> >>>>> On Thu, Mar 15, 2018 at 06:57:27PM -0600, Heather Ellsworth wrote: >>>>>> I've been running Plasma Mobile on my iMX6 dev board (precursor to >>>> the >>>>>> dev kit for the Librem 5) and I've notices there's no onscreen >>>> keyboard. >>>>>> Is it there and I'm just not initializing it? Or what is the story >>>> with >>>>>> the OSK in Plasma Mobile? >>>>> >>>>> For OSK, you just need to install qtvirtualkeyboard-plugin package, >>>> it >>>>> should give you working on-screen-keyboard for the Qt applications. >>>> It >>>>> is however possible that QtVirtualKeyboard is disabled by default if >>>> you >>>>> have keyboard attached. In that case you can enable it by clicking on >>>>> virtualkeyboard icon in top drawer. >>>>> >>>>> You can also "export QT_VIRTUALKEYBOARD_STYLE=Plasma" for better >>>> theming >>>>> integration with Plasma Mobile. >>>> >>>> After installing qtvirtualkeyboard-plugin and exporting >>>> QT_VIRTUALKEYBOARD_STYLE, we still do not see a keyboard icon in the >>>> top >>>> left of the Plasma Mobile desktop. >>>> >>>> Similarly, we do not see the icon after manually enabling the keyboard >>>> with: >>>> >>>> $ qdbus org.kde.KWin /VirtualKeyboard >>>> org.kde.kwin.VirtualKeyboard.enable >>>> >>>> However, after enabling the keyboard with the above qdbus command, we >>>> see the keyboard pop up when a text field is clicked (like the search >>>> bar, kwrite, konsole) but then the keyboard immediately goes away. >>>> >>>> Also in the lock screen, I see the virtual keyboard icon in the bottom >>>> left. When I click it, the virtual keyboard appears and does not >>>> disappear. Then I can type in the password (using Ctrl+Super to guide >>>> my >>>> mouse) to log back in. >>>> >>>> So the virtual keyboard works, but when in the desktop session the >>>> keyboard goes away right after it appears. Any troubleshooting advice >>>> you have would be helpful. >>>> >>> >>> It might sound stupid, but just unplug the physical keyboard. Then it >>> should work best. If the keyboard still hides, run the apps with >>> WAYLAND_DEBUG=1 then we can see what's going on and why it hides. It >>> should only hide if the application requests it and that's something >>> we can see in the debug output. >>> >> >> Thank you for the suggestion. It turns out that the issue was actually >> setting the QT_IM_MODULE: >> >> $ export QT_IM_MODULE=qtvirtualkeyboard >> >> With this variable set, I see the keyboard come up and then disappear >> when a text field is clicked. I was testing with this variable on >> Friday. However with this variable unset, the keyboard seems to _stay >> around_ and be usable when a text field is clicked. So the trick is to >> not set this :) > > Yes, that makes sense. If the env variable is set, Qt creates a window > in the process. If the env variable is not set the wayland protocol is > used and KWin can provide the virtual keyboard. > > I think I also understand why it closed directly: when the window opens > KWin passes it keyboard focus. Thus the text field which triggered the > keyboard loses keyboard focus and closes the keyboard again.
Ok thanks for explaining! It's also worth mentioning that the keyboard looks nicer with QT_VIRTUALKEYBOARD_STYLE=Plasma set before launching kwin_wayland. Cheers, Heather
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