[Chimera-users] Linux focus on toolbar click

Daniel P Farrell danpf at uw.edu
Sun Oct 29 12:20:28 PDT 2017

Hey Eric,

Finally figured this out.
Apparently this is a 'feature' of KWin (KDE window manager), and exists to
not allow windows to randomly take focus when you're working on something
So KWin has special settings to tweak this, I'm sure there's something
similar for SuSE.

You have 2 options:
Completely disable this feature from KWin. (they don't recommend, but I
guess it depends on what kind of shady apps you have installed)
In system settings->Window Management->Window Behavior->Focus->Focus
stealing prevention set to None

Set specific settings based on window names.  This is better(safer?), but
more annoying. For some reason KWin doesn't seem to recognize all windows
as part of the same application.
So for every Chimera window that you open:
Right click the top taskbar(or ALT-F3)->More Actions->Special Application
settings->Appearances & Fixes->Focus stealing prevention-> set to force
Also go to the tab `Window matching` and uncheck the match whole window
class, and change exact match to unimportant
then make Window title Exact match, and use the window title of the chimera
window that you're on (like 'Model Panel')

You might have to restart chimera. and now it works for me!


On Thu, Sep 28, 2017 at 4:29 PM, Eric Pettersen <pett at cgl.ucsf.edu> wrote:

> Hi Daniel,
> I don’t think there is anything we can do to change this behavior.  When
> you click on that icon, Chimera asks the Tk toolkit to bring that window to
> the front (via a “tkraise” call).  I have no idea what window system calls
> Tk makes to try to accomplish that, but apparently they don’t work on your
> distro.  They do work on an Ubuntu installation we have here, but a SuSE
> installation worked in a somewhat similar fashion to yours except that all
> the Chimera dialogs were in one tab in the linux toolbar, and clicking on
> that tab would bring up a menu of the dialogs and picking one would bring
> it to the front.
> I think your only option is to use the linux toolbar to bring the dialog
> you want to the front.
> —Eric
> Eric Pettersen
> UCSF Computer Graphics Lab
> On Sep 27, 2017, at 3:17 PM, Daniel P Farrell <danpf at uw.edu> wrote:
> Hello,
> I'm not sure if this is a distro thing, but I'm on linux mint and when I
> click on something in the toolbar the first time, the window appears on top
> of the main chimera window.  However, if the window is already open, now
> the window no longer is brought to the front, and instead lights up on the
> linux application toolbar.
> Would it be possible/easy to change this so that when I click on the
> toolbar and the window is already open for it to be brought to the front?
> It seems to already work this way on mac.
> NAME="Linux Mint"
> VERSION="18.1 (Serena)"
> ID=linuxmint
> Cheers,
> Dan
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