On Sun, Jan 22, 2012 at 3:38 AM, Cedric Sodhi <man...@gmx.net> wrote: > On Sat, Jan 21, 2012 at 06:15:35PM -0600, Chris Bagwell wrote: >> On Sat, Jan 21, 2012 at 2:31 PM, Cedric Sodhi <man...@gmx.net> wrote: >> > On Sat, Jan 21, 2012 at 11:14:37PM +0700, Alexey Osipov wrote: >> >> Okay, I think I see the problem. >> >> >> >> You have a touchscreen device, not a touchpad, right? >> >> >> >> Touchscreen and touchpad behaviours are different in xf86-input-wacom. >> >> >> >> This difference determined by 'WCM_LCD' flag set on device in >> >> wcmDeviceTypeKeys() from wcmValidateDevice.c. >> >> >> >> Then, in wcmSingleFingerPress() from wcmTouchFilter.c this flag is being >> >> checked: >> >> - if it's ON, we make left button press when finger touches the screen >> >> and button release when finger outs. This seems to be your case. >> >> - if it's OFF, we just move the cursor. This seems to be my case. It >> >> seems that tap clicking and tap-and-drag works in this case only. >> >> >> >> So, if you are hacking sources anyway, you may try to remove WCM_LCD >> >> flag from your device and see if it helps. >> > >> > >> > It should not even be set. the tablet_id is 0xA001 for the egalax, >> > nothing in that sourcefile sets WCM_LCD then. Any idea why it's LCD >> > anyway? >> > >> > I'll try to hack in an xinput setting to allow setting WCM_LCD on the >> > fly. >> > >> > I already tried looking at xsetwacom.c but I could not make no heads nor >> > tail of that. There was no enum, whatsoever, identifying the settings. >> > Only strings. Bizarre. >> >> >> >> Alexey. >> >> Look for usbGenericTouchscreenQuirks() in wcmUSB.c to see how its >> detected as touchscreen. WCM_TPC also sets WCM_LCD I think (or the >> other way around). >> >> Your asking for a touchscreen to not act as a touchscreen. This will >> never be an accepted patch for either xf86-input-wacom or other >> touchscreen drivers such as xf86-input-evdev. >> >> They may accept support to say "My touchpad was misdetected as a >> touchscreen, please treat as a touchpad" but it doesn't exist in >> either xf86-input-wacom nor xf86-input-evdev right now. You could use >> that as a way of getting what you want. >> >> Sounds like your on the right track to hack up the driver for what >> ever custom application you have. > > Why do you say that? I think this is an unreasonable thing to say. > To start, this has nothing do to with a particular application. I simply > want to be able to move the mouse without actually dragging it. > > How is that "acting not as a touchscreen"? A touchscreen "acts" by being > touched. That's the definition of a touchscreen. And I could even admit > that a common assumption is an absolute mapping. But that's about it. > > All that this would do is further generalize and unify touchpads and > touchscreens - step that is long due, if you ask me. > > But well, I don't want to advance some philosophical argument: This is > practically relevant and a reasonable thing to like. >
Yep, all philosophical discussions. Touchscreens have always sent button press during touch since support originally added to Windows, OS X, Linux, and just about any OS that starts first as a mouse oriented OS. Thats the defacto definition. Nothing can really be argued against that being the definition. As I said, you may still be able to get what you want in this legacy world. You just need to state the problem and conform the solution to the legacy world and talk about non-unified touchscreen vs. touchpad behaviours. I think you'll start getting happier once the new multi-touch stuff is released. We get to throw away alot of this legacy baggage; at least for MT-aware apps. Chris ------------------------------------------------------------------------------ Try before you buy = See our experts in action! The most comprehensive online learning library for Microsoft developers is just $99.99! Visual Studio, SharePoint, SQL - plus HTML5, CSS3, MVC3, Metro Style Apps, more. Free future releases when you subscribe now! http://p.sf.net/sfu/learndevnow-dev2 _______________________________________________ Linuxwacom-devel mailing list Linuxwacom-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxwacom-devel
