<div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)">Thanks for your valuable help peter.<br><br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)">As you suggested, I am able to simulate touch events by using uinput "virtual touch driver" and modified xorg.conf to load it. But the only quirk is, I have to create a separate "virtual touch device" and xorg.conf for each instance of X session. <br><br>Commands I used,<br><i><span style="font-size:11pt;font-family:"calibri",sans-serif">> Xorg -noreset +extension GLX +extension RANDR +extension RENDER -logfile ./12.log -config ./session20.xorg.conf :20<br>> <br></span></i><br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)">The session20.xog.conf contains InputClass Entry to load only the Virtual Touch Device. ( I removed all generic touch device Input classes from the default xorg.conf otherwise the virtual touch device is getting loaded for all x sessions.)<br><br><i>Section "InputClass"<br> Identifier "Virtual Touch Device - 0x20"<br> MatchProduct "Virtual Touch Device - 0x20"<br> MatchIsTouchscreen "on"<br> MatchDevicePath "/dev/input/event*"<br> Driver "evdev"<br>EndSection</i><br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)">I am unable to figure out how to share an "uinput device" across virtual X sessions.<br><br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)">The sample code for "Virtual Touch Device" can be found in <a href="https://drive.google.com/file/d/0B2lQr8WlvKmzUVNDN0dETUVodEU/view?usp=sharing">https://drive.google.com/file/d/0B2lQr8WlvKmzUVNDN0dETUVodEU/view?usp=sharing</a> <br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)"><br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)">Thanks,<br></div><div class="gmail_default" style="font-family:georgia,serif;color:rgb(0,102,0)">Prakash<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 23 February 2017 at 08:29, Peter Hutterer <span dir="ltr"><<a href="mailto:peter.hutterer@who-t.net" target="_blank">peter.hutterer@who-t.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span class="">On Wed, Feb 22, 2017 at 12:25:07PM +0530, Prakash P wrote:<br> > <br> > Hi,<br> ><br> > I want to create an virtual test environment for my web application. I got<br> > it working with the help of xvfb and running google-chrome inside it. I am<br> > able to send keytrokes and mouse events through the xdotool<br> > <a href="http://www.semicomplete.com/projects/xdotool" rel="noreferrer" target="_blank">http://www.semicomplete.com/<wbr>projects/xdotool</a> which internally uses XTEST.<br> ><br> > I do have some test cases where I have to send touch events to the chrome<br> > browser. Unfortunately the xdotool does not support sending touch events. I<br> </span>> am unable to find any info about whether XTEST supports touch events or not..<br> <br> it doesn't support touch events, so going down that route isn't possible.<br> <span class=""><br> > I tried creating a "virtual touch device" using user mode input subsystem<br> > "uinput" which works only on the logged in x-org session. I am able to send<br> > touch events [Code attached in the bottom].<br> ><br> > But the Xvfb dont care about the virtual uinput devices the "xinput list"<br> > revealed only the following.<br> ><br> > >sudo DISPLAY=localhost:2.0 xinput list<br> <br> </span>xvfb only initializes dummy input devices that don't do anything.<br> <br> > *⎡ Virtual core pointer id=2 [master pointer<br> <span class="">> (3)]⎜ ↳ Virtual core XTEST pointer id=4 [slave<br> > pointer (2)]⎜ ↳ Xvfb mouse id=6<br> > [slave pointer (2)]⎣ Virtual core keyboard<br> > id=3 [master keyboard (2)] ↳ Virtual core XTEST<br> > keyboard id=5 [slave keyboard (3)] ↳ Xvfb<br> </span>> keyboard id=7 [slave keyboard (3)]*<br> <span class="">><br> ><br> > I also tried the virtual uinput device with "Xorg X11 dummy video driver"<br> > <a href="https://xpra.org/trac/wiki/Xdummy" rel="noreferrer" target="_blank">https://xpra.org/trac/wiki/<wbr>Xdummy</a> which is also not detecting the my<br> > "virtual touch device" ( I ran the xorg as non root).<br> ><br> ><br> > I am struck. I don't know where to proceed further.<br> > Is there any other options available? Do I have to implement something else?<br> <br> </span>The only option I can see is to run a full Xorg with the uinput touch<br> device. Short of that, I don't think anything will help.<br> <br> Cheers,<br> Peter<br> <div class="HOEnZb"><div class="h5"><br> ><br> > Any help would be greatly appreciated.<br> ><br> > Thanks,<br> > Prakash<br> ><br> ><br> > Notes,<br> > 1. Starting X virtual frame buffer - "Xvfb :2 -screen 0 1600x900x24"<br> > 2. virtual touch device uinput code -<br> > <a href="https://drive.google.com/open?id=0B2lQr8WlvKmzZjhJOHB0b0x4ZGc" rel="noreferrer" target="_blank">https://drive.google.com/open?<wbr>id=<wbr>0B2lQr8WlvKmzZjhJOHB0b0x4ZGc</a> (with the<br> > help of <a href="http://thiemonge.org/getting-started-with-uinput" rel="noreferrer" target="_blank">http://thiemonge.org/getting-<wbr>started-with-uinput</a> )<br> > 3. For the xvfb - I used CentOS 7.3 with Xorg - 1.17.2, pixman 0.34.0,<br> > kernel -3.10.0<br> > 4. For the x dummy driver - I used ubuntu 16.10 with Xorg 1.18.4, pixman -<br> > 0.33.6 , kernel -4.10.<br> ><br> ><br> > --<br> > Anyone who has never made a mistake has never tried anything new.<br> <br> </div></div></blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature" data-smartmail="gmail_signature"><font face="georgia, serif">Anyone who has never made a mistake has never tried anything new.</font></div> </div>