*** This bug is a duplicate of bug 1286326 ***
https://bugs.launchpad.net/bugs/1286326
It seems that the synclient MaxDoubleTapTime setting (or setting
MaxDoubleTapTime in /usr/share/X11/xorg.conf.d\50-synaptics.conf) does
not govern the Synaptics double-tap.
Instead, the Synaptics touchpad is responding to a GTK2 setting.in which
the default double-tap time is 250 ms.
To change that per-user (and there is probably a global setting somewhere --
wish I knew where), create ~/.gtkrc-2.0 with the content like:
gtk-double-click-time=400
though values up to 1000 are sometimes suggested.
Source: http://forum.lxde.org/viewtopic.php?f=8&t=501
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https://bugs.launchpad.net/bugs/1286372
Title:
In Lubuntu, Synaptics touchpad double-tap to open works badly
Status in “xserver-xorg-input-synaptics” package in Ubuntu:
New
Bug description:
Booting from a Lubuntu Trusty Live disc on a Lenovo 3000 C200 laptop
with a Synaptics touchpad, double-tap to open a file or folder works
sporadically/erratically/badly. It often requires a VERY fast double-
tap, or a very fast double-tap with extra force, but even these
measures may not work.
Via synclient, I played with the FingerLow, FingerHigh and
MaxDoubleTapTime settings, but did not arrive at something that
worked.
I did eventually discover that a *triple-tap* reliably yields the
behavior I would expect from a double-tap.
I found the same behavior under Lubuntu Saucy installed on the hard
drive, and under Lubuntu Live discs for older versions at least back
to Lubuntu 12.10.
I also booted a Lubuntu Trusty Daily Build Live disc on an HP
Elitebook 8530p with a Synaptics touchpad and likewise found the bad
behavior there, though somewhat lessened. Perhaps due to the faster
Core 2 Duo processor?
Booting an *Ubuntu* Saucy Live disc on the Lenovo, double-tap worked
as expected. Double-tap also worked as expected on this machine under
Windows Vista.
On another laptop with Lubuntu Saucy but an ALPS touchpad, double-tap
worked as expected.
In accord with http://wiki.ubuntu.com/Debugging/TouchpadDetection (the
section "Touchpad features work, but does not work correctly and as
expected"), I will include xmodmap, xinput, evtest and xev attachments
in a logs.tar.gz archive. For evtest and xev, I tried to capture a
single double-tap between typed letter "a" identifiers.
I filed a similar bug for Lubuntu Saucy: # 1286326
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: xserver-xorg-input-synaptics 1.7.3-1ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-8.27-generic 3.13.2
Uname: Linux 3.13.0-8-generic i686
ApportVersion: 2.13.2-0ubuntu2
Architecture: i386
CasperVersion: 1.337
CurrentDesktop: LXDE
Date: Fri Feb 28 22:10:03 2014
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
LiveMediaBuild: Lubuntu 14.04 "Trusty Tahr" - Alpha i386 (20140212)
MachineType: LENOVO 892201U
ProcKernelCmdLine: file=/cdrom/preseed/username.seed boot=casper
initrd=/casper/initrd.lz quiet splash --
SourcePackage: xserver-xorg-input-synaptics
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/30/07
dmi.bios.vendor: LENOVO
dmi.bios.version: 63ET62WW
dmi.board.name: CAPELL VALLEY(NAPA) CRB
dmi.board.vendor: LENOVO
dmi.board.version: Not Applicable
dmi.chassis.type: 10
dmi.chassis.vendor: No Enclosure
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnLENOVO:bvr63ET62WW:bd04/30/07:svnLENOVO:pn892201U:pvr3000C200:rvnLENOVO:rnCAPELLVALLEY(NAPA)CRB:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A:
dmi.product.name: 892201U
dmi.product.version: 3000 C200
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.52-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.0.1-1ubuntu2
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.0.1-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:1.15.0-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.10-1ubuntu2
xserver.bootTime: Fri Feb 28 20:57:24 2014
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Video Bus KEYBOARD, id 7
input Power Button KEYBOARD, id 8
input AT Translated Set 2 keyboard KEYBOARD, id 9
input SynPS/2 Synaptics TouchPad TOUCHPAD, id 10
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 9297
vendor AUO
xserver.version: 2:1.15.0-1ubuntu4
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