Not at my Ubuntu machine so can't check. But, I've got my opensuse laptop at
hand. There's an option to use a single click to open files and folders. Not
sure if this is of use.
Sent from my HTC
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Today's Topics:
1. Mouse accessibility problem (Jim Price)
2. Re: Mouse accessibility problem (J Fernyhough)
3. Re: Mouse accessibility problem (Jim Price)
4. Re: Mouse accessibility problem (J Fernyhough)
5. Re: Mouse accessibility problem (Jim Price)
----------------------------------------------------------------------
Message: 1
Date: Sun, 8 Apr 2018 14:08:46 +0100
From: Jim Price <d1vers...@hotmail.com>
To: ubuntu-uk@lists.ubuntu.com
Subject: [ubuntu-uk] Mouse accessibility problem
Message-ID: <pad44v$gau$1...@blaine.gmane.org>
Content-Type: text/plain; charset=utf-8; format=flowed
I'm trying to solve a problem with double clicking the mouse for someone
with jittery hand movements. The problem is that there is usually enough
movement between their first and second clicks of a double click that it
is registered as two single clicks in different places. This has all
sorts of unwanted side effects, all of which include doing something
different to what was intended. I have an idea of what it might take to
address the issue - hold the mouse pointer still for the duration of the
double click detection period. This would be a bit like sticky keys for
the keyboard, but googling for sticky mouse doesn't get me very far as
anyone who remembers ball mice will understand. Has anyone seen a
setting anywhere which might do this, or maybe a program or any other
way of doing it? Suggestions welcome.
--
Jim
------------------------------
Message: 2
Date: Sun, 8 Apr 2018 15:44:59 +0100
From: J Fernyhough <j.fernyho...@gmail.com>
To: ubuntu-uk@lists.ubuntu.com
Subject: Re: [ubuntu-uk] Mouse accessibility problem
Message-ID: <a0ad01a7-07f4-fed0-5b5f-024fa3a79...@gmail.com>
Content-Type: text/plain; charset="utf-8"
On 08/04/18 14:08, Jim Price wrote:
> I'm trying to solve a problem with double clicking the mouse for someone
> with jittery hand movements. The problem is that there is usually enough
> movement between their first and second clicks of a double click that it
> is registered as two single clicks in different places.
Which DE are you using, and in what context are you double-clicking?
e.g. I've just tested under MATE 1.20 by moving the mouse while
(relatively slowly) clicking twice on an item in Caja (e.g. once on the
folder icon, once on the text) - each time it detects this as a
double-click on that item.
The other alternative is to use a trackball instead of a mouse
(something I've come to prefer generally _anyway_).
J
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Message: 3
Date: Sun, 8 Apr 2018 16:27:02 +0100
From: Jim Price <d1vers...@hotmail.com>
To: ubuntu-uk@lists.ubuntu.com
Subject: Re: [ubuntu-uk] Mouse accessibility problem
Message-ID: <padc8a$30a$1...@blaine.gmane.org>
Content-Type: text/plain; charset=utf-8; format=flowed
On 08/04/18 15:44, J Fernyhough wrote:
> On 08/04/18 14:08, Jim Price wrote:
>> I'm trying to solve a problem with double clicking the mouse for someone
>> with jittery hand movements. The problem is that there is usually enough
>> movement between their first and second clicks of a double click that it
>> is registered as two single clicks in different places.
>
> Which DE are you using, and in what context are you double-clicking?
MATE is what we're trying to use, but if there's a solution only in a
desktop other than MATE then that's what it's going to be. The context
is any application which needs a double click to do things, and drag and
drop is affected too, which is a further problem but easier to deal with
than double clicking. My suggested solution allows drag and drop to
start working after the double click timeout has expired. I would have
thought that it wouldn't necessarily be desktop specific as the
underlying mouse activity is handled by X11. Some desktops do get
involved I believe but by no means all of them. A solution which only
relies on X11 should work for all of them.
> e.g. I've just tested under MATE 1.20 by moving the mouse while
> (relatively slowly) clicking twice on an item in Caja (e.g. once on the
> folder icon, once on the text) - each time it detects this as a
> double-click on that item.
If you can use a keyboard you don't have it as bad as this user. She has
a sense of timing which is about enough to hit a location with the
mouse, but usually only once at the same location. A double click rarely
works either because of change of location and/or inability to get two
clicks done in time - sometimes both. Upping the double click delay
often results in the second click being even further away. Slowing the
mouse right down makes typing on the onscreen keyboard even more laborious.
> The other alternative is to use a trackball instead of a mouse
> (something I've come to prefer generally _anyway_).
Sadly that didn't work out, but thanks for the suggestions.
--
Jim
------------------------------
Message: 4
Date: Sun, 8 Apr 2018 16:52:17 +0100
From: J Fernyhough <j.fernyho...@gmail.com>
To: ubuntu-uk@lists.ubuntu.com
Subject: Re: [ubuntu-uk] Mouse accessibility problem
Message-ID: <1245f38d-ead4-c543-083d-518a489c3...@gmail.com>
Content-Type: text/plain; charset=utf-8
On 08/04/18 16:27, Jim Price wrote:
> MATE is what we're trying to use
How about Mouse Keys (under Keyboard Preferences)?
Cursor can be positioned by both/either numpad keys or mouse, then a
click by pressing a key without worrying about accidentally moving the
cursor around.
Though, if the person concerned isn't able to easily use a keyboard it's
not really a solution...
J
------------------------------
Message: 5
Date: Sun, 8 Apr 2018 17:02:37 +0100
From: Jim Price <d1vers...@hotmail.com>
To: ubuntu-uk@lists.ubuntu.com
Subject: Re: [ubuntu-uk] Mouse accessibility problem
Message-ID: <padeat$kon$1...@blaine.gmane.org>
Content-Type: text/plain; charset=utf-8; format=flowed
On 08/04/18 16:52, J Fernyhough wrote:
> On 08/04/18 16:27, Jim Price wrote:
>> MATE is what we're trying to use
>
> How about Mouse Keys (under Keyboard Preferences)?
>
> Cursor can be positioned by both/either numpad keys or mouse, then a
> click by pressing a key without worrying about accidentally moving the
> cursor around.
>
> Though, if the person concerned isn't able to easily use a keyboard it's
> not really a solution...
Unfortunately that is the case. The chances of hitting something with
the mouse are quite a lot higher than hitting a given key on the
keyboard. A significantly larger keyboard might help but I haven't
managed to find a suitable one, plus it needs to be usable from a bed.
That's where the mouse wins as you don't have to take your eyes away
from the screen to aim at the target and you can keep your fingers on
the one (or sometimes two) buttons needed to use a mouse a lot more
reliably than four keyboard keys (and big button mice have proved
straightforward to obtain).
Thanks anyway.
--
Jim
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