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Thread: How adjust mouse clicking speed

  1. #1
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    Default How adjust mouse clicking speed

    I should adjust the speed of my mother’s (89 years!) mouse click, but I don’t know how to adjust it. The interface has changed and it is no longer possible to adjust the click (?).


    The mouse / keyboard is a cheap Logitech Logitech MK270 USB combo.

    Could someone help us, please.

    Code:
    Operating System: openSUSE Leap 15.2
            KDE Plasma Version: 5.18.5
            KDE Frameworks Version: 5.71.0
            Qt Version: 5.12.7
            Kernel Version: 5.3.18-lp152.33-default
            OS Type: 64-bit
            Processors: 4 × Intel® Core™ i5-4300U CPU @ 1.90GHz
            Memory: 3,5 GiB

  2. #2
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    Default Re: How adjust mouse clicking speed

    Have you investigated System Settings > Hardware > Input Devices > Mouse? (Pointer speed?)
    openSUSE Leap 15.2; KDE Plasma 5

  3. #3
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    Default Re: How adjust mouse clicking speed

    Reading your opening post again, perhaps you mean double-click interval? I'm not sure that can be adjusted (when libinput is in use anyway).

    FWIW, a recent thread on the subject...
    https://forums.opensuse.org/showthre...85#post2938985
    openSUSE Leap 15.2; KDE Plasma 5

  4. #4
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    Default Re: How adjust mouse clicking speed

    Sorry for my poor English skills ...

    Suppose that when the mouse button is pressed and a click is heard, then it is time t0.
    And when the key is released (and a click is heard), then it is time t1.
    The time instant t1 (click-click) should be longer than it is now.
    At the age of 89, the fingers are no longer very supple, although the head still works well.

    Can libinput be removed or replaced with another program (= old gui)?

  5. #5
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    Default Re: How adjust mouse clicking speed

    As far as I can see, it does not matter how long the mouse key is down during clicking. When I press, leave it there for seconds and then release, the click action functions as expected.
    The problem might be that the mouse is moved between the press and the release. That then results in either nothing happens or maybe moving objects.
    Henk van Velden

  6. #6
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    Default Re: How adjust mouse clicking speed

    Double click is a separate event. Generally action happens on the mouse button up event. In Linux the default is single click so any action happens on the mouse up event no matter how long you hold down the button as long as you are over the control. Unless you turn on the double click option then the timing between clicks is important to trigger the double click event. In Windows double click is the default.

  7. #7
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    Default Re: How adjust mouse clicking speed

    Quote Originally Posted by gogalthorp View Post
    Double click is a separate event. Generally action happens on the mouse button up event. In Linux the default is single click so any action happens on the mouse up event no matter how long you hold down the button as long as you are over the control. Unless you turn on the double click option then the timing between clicks is important to trigger the double click event. In Windows double click is the default.
    I think it is safe to assume that the OP has enabled double-click in KDE Plasma 5.18 as they describe. There is no adjustment for the interval AFAIU.
    openSUSE Leap 15.2; KDE Plasma 5

  8. #8
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    Default Re: How adjust mouse clicking speed

    Quote Originally Posted by RaijaR View Post
    Sorry for my poor English skills ...

    Suppose that when the mouse button is pressed and a click is heard, then it is time t0.
    And when the key is released (and a click is heard), then it is time t1.
    The time instant t1 (click-click) should be longer than it is now.
    At the age of 89, the fingers are no longer very supple, although the head still works well.

    Can libinput be removed or replaced with another program (= old gui)?
    If using a desktop in an Xorg environment, then using evdev should be possible (see link below), although I haven't investigated myself, so YMMV.

    https://forum.kde.org/viewtopic.php?f=289&t=153755

    To force it, you'd need to have a custom Xorg config file (eg /etc/X11/xorg.conf.d/80-mouse.conf) like this
    Code:
    Section "InputClass"
        Identifier "evdev-mouse"
        MatchIsPointer "yes"
        Driver "evdev"
    EndSection
    When Xorg is next started it should take effect, and you can verify which input driver is in use for the mouse with
    Code:
    grep "Using input driver" /var/log/Xorg.0.log
    Last edited by deano_ferrari; 11-Aug-2020 at 23:41.
    openSUSE Leap 15.2; KDE Plasma 5

  9. #9
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    Default Re: How adjust mouse clicking speed

    IMHO, since post #4 above, it is clear (at least that is my interpretation) that this is not about "double click" at all.

    It is about the time between the press and the release of a single click.
    Henk van Velden

  10. #10
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    Default Re: How adjust mouse clicking speed

    Quote Originally Posted by hcvv View Post
    IMHO, since post #4 above, it is clear (at least that is my interpretation) that this is not about "double click" at all.

    It is about the time between the press and the release of a single click.
    If this is true then the comments you made in post #5 are applicable, and there should be no issue with a slow "release" from a button click, unless as you also describe the mouse is moved while the left mouse button is down.
    openSUSE Leap 15.2; KDE Plasma 5

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