Chromium on Linux with Touchscreens

[Joshua Smith]

I'm trying to set up a Kiosk using Chromium on Linux with a touch screen. I have two different systems, and hence two lines of questions:

1. On the single-touch system, where the touch appears as a mouse, things are basically working except that almost every touch is treated as a touch-drag because the mouse position moves around a little. This makes triggering links difficult, and it makes the drag-and-drop cursor images appear when the link is an image. Are there any command-line options (or things I can do in javascript or CSS) that would help make the UI more usable in this case?

2. I have a multi-touch system that sends TUIO messages to UDP port 3333. This is a pretty common multi-touch approach on Linux, so I'm hoping you can point me to somebody who has already gotten this working with chromium. My ideal solution would have the touches show up as touch events similar to an iPad's browser (touchstart, gesturestart, etc.). If I need to use javascript or plugins to achieve this, that's an option. Any pointers?

-Joshua

[Jude Osborn]

Sorry, i answered this earlier but my reply was not sent for some reason. Anyway, I was just saying you might want to check out touch screen emulation mode for Chrome, as described here:

https://developers.google.com/chrome-developer-tools/docs/mobile-emulation

[Michał Czeraszkiewicz]

@Jude: do you know if it's possible just emulate the touch without other goodies. I mean to get rid of the rulers etc?

The link you provided has a really cool solution for developing mobile apps but not for a kiosk solution.

[Jonathan Garbee]

For now, there isn't a way to remove the rulers or primary controls in Device Mode. You can however very easily turn off the screen emulation  and have just touch emulation. This is covered in the device mode documentation [1].

[1] https://developer.chrome.com/devtools/docs/device-mode

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