[Wayland-bugs] [Bug 731380] gtk3-demo button box works badly with a touch screen under wayland

[gtk+ (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=731380
  gtk+ | Backend: Wayland | 3.13.x

--- Comment #3 from Carlos Garnacho <carlosg at gnome.org> 2014-08-22 13:17:40 UTC ---
I indeed were able to discover a few lurking bugs here, it is worth noting that
regardless of visual status, the ::clicked signal was still being emitted.
First there's styling issues in GtkButton on the complete lack of crossing
events (which you get implicitly in x11 for the pointer emulating touch
sequence)

Second, after dragging the window through touch, information about that touch
implicit grab would be left stuck when the sequence is grabbed by the
compositor, which would lead to strange behavior in the grab window tracking,
although this is not strictly related to buttons, it was made really noticeable
in this demo.

I'm attaching patches for these.

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