Tomas, Perhaps this is the only patch in my knowledge too. On 11/12/10, Tomas Janousek <l...@lisk.in> wrote: > Oh. Could you perhaph give me a link to that patch? I guess it's less > hacky than this patch of mine. Thanks. > > -- > Synaptics cursor speed is not screen-dependent - speed on small screen is > too high after connecting big external monitor > https://bugs.launchpad.net/bugs/523558 > You received this bug notification because you are a direct subscriber > of the bug. > > Status in “xserver-xorg-input-synaptics” package in Ubuntu: Invalid > > Bug description: > Binary package hint: xserver-xorg-input-synaptics > > The cursor speed of a Synaptics pad depends on your screen size. Or rather, > "the speed value defines the scaling between touchpad coordinates and screen > coordinates." (man synaptics, line ~418). So supposedly, even if you raise > or lower your resolution, moving your finger n millimetres across the pad > surface should still make it move the cursor n centimetres across your > screen, regardless of whether the screen's pixel resolution is at 800x600 or > at 1600x1200. > > Connecting an external monitor seems to count as adding screen realestate, > affecting the "effective screen speed" as much as raising your resolution by > that of the external monitor would. To put into a concrete example: if your > netbook screen is 1024x600, and you connect a 1600x1200 monitor, then the > screen realestate becomes 2624x1200 if put side-by-side, or 1600x1800 if put > above the other. (Unsure of the details of how the driver calculates this.) > > The sensitivity that you get on your 1024x600 netbook screen, when the > Synaptics driver scales its speed to match your total 2624x1200 realestate, > is much too high. > > How to reproduce: > 1) Acquire a netbook with a puny ~10" screen with 1024x600 native resolution > (MSI Wind, et al) > 2) Get a feel for the touchpad's cursor speed > 3) Attach 1600x1200+ external monitor > 4) Using xrandr, set the external monitor's output to be next to or above > the laptop screen's output, as such; > $ xrandr --output VGA1 --above LVDS1 --auto > 5) Compare cursor speed to earlier speed > 6) Try to perform simple to complex mouse tasks on your small screen and > watch the cursor consistently overshoot > > The speed is acceptable when maneuvering on the external monitor, but very > little physical pad movement is needed to totally pan over the entirety of > the small netbook screen. > > Cursor speed should be screen-dependent, if that's even technically > possible. Alternatively, it should only take the "primary" screen (output) > into consideration when scaling pad movement speed to screen cursor speed. > > ProblemType: Bug > Architecture: i386 > Date: Thu Feb 18 01:11:21 2010 > DistroRelease: Ubuntu 10.04 > DkmsStatus: > ipheth, 1.0+git20100207, 2.6.32-12-generic, i686: installed > ipheth, 1.0+git20100207, 2.6.32-13-generic, i686: installed > InstallationMedia: Kubuntu 10.04 "Lucid Lynx" - Alpha i386 (20100201) > MachineType: MICRO-STAR INTERNATIONAL CO., LTD U-100 > Package: xserver-xorg-input-synaptics 1.2.0-3ubuntu2 > ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-13-generic > root=UUID=bfe2926e-f8bf-41dd-a237-690b609cafe6 ro quiet splash > ProcEnviron: > LANGUAGE= > PATH=(custom, user) > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcVersionSignature: Ubuntu 2.6.32-13.18-generic > RelatedPackageVersions: > xserver-xorg 1:7.5+1ubuntu2 > libgl1-mesa-glx 7.7-0ubuntu8 > libdrm2 2.4.17-1ubuntu1 > xserver-xorg-video-intel 2:2.9.1-1ubuntu4 > SourcePackage: xserver-xorg-input-synaptics > Uname: Linux 2.6.32-13-generic i686 > dmi.bios.date: 10/06/2008 > dmi.bios.vendor: American Megatrends Inc. > dmi.bios.version: 4.6.3 > dmi.board.asset.tag: To be filled by O.E.M. > dmi.board.name: U-100 > dmi.board.vendor: MICRO-STAR INTERNATIONAL CO., LTD > dmi.board.version: Ver.001 > dmi.chassis.asset.tag: To Be Filled By O.E.M. > dmi.chassis.type: 3 > dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO., LTD > dmi.chassis.version: Ver.001 > dmi.modalias: > dmi:bvnAmericanMegatrendsInc.:bvr4.6.3:bd10/06/2008:svnMICRO-STARINTERNATIONALCO.,LTD:pnU-100:pvrVer.001:rvnMICRO-STARINTERNATIONALCO.,LTD:rnU-100:rvrVer.001:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvrVer.001: > dmi.product.name: U-100 > dmi.product.version: Ver.001 > dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO., LTD > system: > distro: Ubuntu > architecture: i686kernel: 2.6.32-13-generic > > To unsubscribe from this bug, go to: > https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-input-synaptics/+bug/523558/+subscribe >
-- Warm Regards, Gursimran singh Mohar -- Synaptics cursor speed is not screen-dependent - speed on small screen is too high after connecting big external monitor https://bugs.launchpad.net/bugs/523558 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-input-synaptics in ubuntu. _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
