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How do I enable Middle mouse button emulation in 12.04 LTS?

rated 0 times [ 18] [ 0] / answers: 1 / hits: 74832 / 2 Years ago, sat, january 29, 2022, 5:08:13

How do I enable Middle mouse button emulation in 12.04 LTS?
I think it was disabled by default in the last release. I'm sure this is a silly question but I can't find a generic answer, they all seem to be touchpad specific (ie, multi-touch related, which I don't have), or using what I consider not to be normal ubuntu methods (creating xorg.conf file). I'm using xubuntu variant (xfce) on a dell inspiron mini.

I was actually just testing there and if I tap with both fingers at once it brings up a context menu (like right click). Wired I didn't know this trackpad could even tell that there was a two finger tap...

Former behaviour was clicking both touchpad buttons (they are the built in kind) at the same time produced a middle clicck. They no longer do this. I never used a double tap, but the actual buttons.

To clarify I am using a built in Touchpad, not an external mouse. Gpointings detects it as synaptic touch, which I believe is correct

Update- The question @medigeek linked to below let me set a two fingered tap to emulate a middle click, but I still cant click both buttons at the same time

output from synclient is here:

LeftEdge                = 1760

RightEdge               = 5302

TopEdge                 = 1639

BottomEdge              = 4479

FingerLow               = 25

FingerHigh              = 30

FingerPress             = 256

MaxTapTime              = 180

MaxTapMove              = 232

MaxDoubleTapTime        = 180

SingleTapTimeout        = 180

ClickTime               = 100

FastTaps                = 0

EmulateMidButtonTime    = 0

EmulateTwoFingerMinZ    = 282

EmulateTwoFingerMinW    = 7

VertScrollDelta         = 105

HorizScrollDelta        = 105

VertEdgeScroll          = 1

HorizEdgeScroll         = 0

CornerCoasting          = 0

VertTwoFingerScroll     = 0

HorizTwoFingerScroll    = 0

MinSpeed                = 1

MaxSpeed                = 1.75

AccelFactor             = 0.0378931

TrackstickSpeed         = 40

EdgeMotionMinZ          = 30

EdgeMotionMaxZ          = 160

EdgeMotionMinSpeed      = 1

EdgeMotionMaxSpeed      = 422

EdgeMotionUseAlways     = 0

TouchpadOff             = 0

LockedDrags             = 0

LockedDragTimeout       = 5000

RTCornerButton          = 2

RBCornerButton          = 3

LTCornerButton          = 0

LBCornerButton          = 0

TapButton1              = 1

TapButton2              = 3

TapButton3              = 0

ClickFinger1            = 1

ClickFinger2            = 1

ClickFinger3            = 0

CircularScrolling       = 0

CircScrollDelta         = 0.1

CircScrollTrigger       = 0

CircularPad             = 0

PalmDetect              = 0

PalmMinWidth            = 10

PalmMinZ                = 200

CoastingSpeed           = 20

CoastingFriction        = 50

PressureMotionMinZ      = 30

PressureMotionMaxZ      = 160

PressureMotionMinFactor = 1

PressureMotionMaxFactor = 1

ResolutionDetect        = 1

GrabEventDevice         = 1

TapAndDragGesture       = 1

AreaLeftEdge            = 0

AreaRightEdge           = 0

AreaTopEdge             = 0

AreaBottomEdge          = 0

HorizHysteresis         = 26

VertHysteresis          = 26

ClickPad                = 1

RightButtonAreaLeft     = 0

RightButtonAreaRight    = 0

RightButtonAreaTop      = 0

RightButtonAreaBottom   = 0

MiddleButtonAreaLeft    = 0

MiddleButtonAreaRight   = 0

MiddleButtonAreaTop     = 0

MiddleButtonAreaBottom  = 0

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answered 2 Years ago pardsea · Accepted Answer

GUI solution

Install the package gpointing-device-settings

Description-en: configuration tool for pointing devices

 GUI tool for setting pointing devices. Currently it can configure mouse type

 device (mouse, trackpoint etc.) and touchpads.

 .

 For mouse you can configure middle button emulation, wheel emulation and

 scrolling.

 .

 It can enable and disable touchpad, or scrolling on it as well as additional

 parameters like palm detection, locked drags, tapping and scrolling.

 .

 It is a successor of GSynaptics.

gpointing-device-settings middle mouse button emulation

Console/terminal solution #1

Alternatively, try this:

gsettings set org.gnome.settings-daemon.peripherals.mouse middle-button-enabled true

The alternative solution might require the installation of gnome-settings-daemon package.

Console/terminal solution(s) #2

Using synclient command you can view your synaptics touchpad options.

Run synclient and see what variables you have available.

You can set/change the synclient options using this command: syclient var=1 (where var is the variable you wish to change and 1 the value)

Read the manual page about each variable: http://manpages.ubuntu.com/synaptics

What worked for me

Instead of figuring out how to press both buttons of the touchpad, keep/press two fingers on the touchpad and click on the left click button of the touchpad with a third finger. This emulates a middle button by default.

What worked for the original poster

a) Setting the TapButton variable works for the two fingered tap

b) If you still want to click both buttons and produce a middle button emulation, execute:

synclient EmulateMidButtonTime=100

EmulateMidButtonTime allows you to change the time required to produce a middle button (allowed time period to click both buttons). 100 means 100 milliseconds (ms).

You may set it to even higher values, such as synclient EmulateMidButtonTime=500 (500ms).