Hi Chase, On Tue, Apr 17, 2012 at 9:19 PM, Chase Douglas <chase.doug...@canonical.com>wrote:
> On a touchscreen, if you put on finger over the target window and two > other fingers over other windows, then the intention is ambiguous. > Currently, the code looks at the centroid of the touches to determine > which window to interact with. By requiring all the touches to hit the > same window, we remove all ambiguity about which window is really > targeted. > Yep, I remember a discussion about how to recognize this and the related use of combinatorial gestures to avoid ambiguity. > This is really a design decision. To me it makes sense. If you disagree, > we can escalate this to the Unity designers and confirm which is correct > according to their designs. > I've only found this decision strange as it has changed from the old point of view. You know that fingers are not always very well aligned on the window/widget, and because of this some people invented the probabilistic matching[1]. Anyway, some later end-user testing may confirm this decision to require fingers inside the window. Thanks for the answer and keep the good work ! [1] http://notjulie.com/research/probinput/paper.pdf -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/978378 Title: A window can be moved even when some fingers are not over it To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/978378/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs