[PATCH weston 00/19] Basic tablet support in Weston

[Stephen Chandler Paul]

On Tue, 2014-08-19 at 16:57 +0300, Pekka Paalanen wrote:
> On Tue, 19 Aug 2014 13:21:54 +0200
> Jonas Ådahl <jadahl at gmail.com> wrote:
> 
> > On Tue, Aug 19, 2014 at 01:03:52PM +0300, Pekka Paalanen wrote:
> > > On Wed,  6 Aug 2014 19:07:50 -0400
> > > Stephen Chandler Paul <thatslyude at gmail.com> wrote:
> > > 
> > > > Hi! As some of you have been aware, I have been working on implementing tablet
> > > > ssupport in libinput, the wayland protocol and weston. This patchset adds basic
> > > > tablet support to weston, along with support in the shell and the window
> > > > manager. It should be noted that these patches rely on one of the earlier
> > > > patches to libinput that I posted on the mailing list: "tablet: Add
> > > > libinput_tablet_has_axis()", along with the tablet-support branch in the git repository for libinput.
> > > > 
> > > > As of right now, the following things are still missing/haven't been finished
> > > > yet:
> > > > * Tablet objects don't ever send a removed event, right now it's up to the
> > > >   clients to free the resources for each tool object.
> > > > * Tablet tool objects should be separate for each tablet connected that doesn't
> > > >   report serial numbers. Right now tablet objects are shared by all tablets
> > > >   connected to the system unconditionally.
> > > > * The tablet cursor disappears occasionally when moving a window and causing
> > > >   the mouse pointer to change images, but reappears the next time a client sets
> > > >   a cursor image.
> > > > * weston-flower can crash the shell for some reason. It seems that if a tablet
> > > >   is turned on, and the first surface the tool comes into focus on belongs to a
> > > >   weston-flower instance, the desktop-shell runs into an error and exits. I
> > > >   haven't noticed this with anything other then weston-flower though.
> > > > * Held down buttons are released when the tool changes focus from one surface
> > > >   to another, instead of being held down until they're released.
> > > > * Some of the declarations for structs in my code might need to be moved
> > > >   around, I'm not sure what the expected guidelines for this in weston's code
> > > >   are though.
> > > > * A surface argument needs to be added to the proximity_out event, so we can
> > > >   tell if the tablet tool is leaving proximity to switch focus to another
> > > >   surface, or if it's just exiting proximity.
> > > > 
> > > > Review/critique would be appreciated, thank you! ^^
> > > > 
> > > > Cheers,
> > > > 	Lyude
> > > > 
> > > > Stephen Chandler Paul (19):
> > > >   tablet: Add XML for wl_tablet and wl_tablet_manager
> > > >   tablet: Add initial tablet support to weston
> > > >   client: Add support for handling motion events in toytoolkit
> > > >   client: Add support for handling proximity_in/out events in
> > > >     libtoytoolkit
> > > >   tablet: Add support for setting/changing the tablet cursor in weston
> > > >   client: Add tablet cursor support into libtoytoolkit
> > > >   tablet: Add support for tablet tool objects
> > > >   client: Add support for tool objects in libtoytoolkit
> > > >   client: Add support for tablet cursor motion to window frames in
> > > >     libtoytoolkit
> > > >   tablet: Add support for button presses to weston
> > > >   client: Add support for handling button presses to libtoytoolkit
> > > >   tablet: Add support for up/down events to weston
> > > >   client: Add up/down event support into libtoytoolkit
> > > >   tablet: Add support for moving windows around using the stylus
> > > >   tablet: Add support for reporting pressure, distance, and tilt in
> > > >     weston
> > > >   client: Add support for pressure, distance, and tilt into
> > > >     libtoytoolkit
> > > >   tablet: Add tablet support to the top panel of the desktop shell
> > > >   tablet: Add binding to activate surfaces using the tablet tool
> > > >   tablet: Add demo application for tablets
> > > > 
> > > >  .gitignore                  |   1 +
> > > >  Makefile.am                 |  23 +-
> > > >  clients/desktop-shell.c     |  55 ++++
> > > >  clients/tablet.c            | 341 ++++++++++++++++++++
> > > >  clients/window.c            | 607 ++++++++++++++++++++++++++++++++++++
> > > >  clients/window.h            | 102 ++++++
> > > >  desktop-shell/shell.c       | 282 +++++++++++++++++
> > > >  protocol/wayland-tablet.xml | 310 +++++++++++++++++++
> > > >  shared/cairo-util.h         |   4 +
> > > >  shared/frame.c              |  38 +++
> > > >  src/bindings.c              |  37 +++
> > > >  src/compositor.c            |   1 +
> > > >  src/compositor.h            | 171 ++++++++++
> > > >  src/input.c                 | 736 ++++++++++++++++++++++++++++++++++++++++++++
> > > >  src/libinput-device.c       | 317 +++++++++++++++++++
> > > >  src/libinput-device.h       |   4 +-
> > > >  16 files changed, 3024 insertions(+), 5 deletions(-)
> > > >  create mode 100644 clients/tablet.c
> > > >  create mode 100644 protocol/wayland-tablet.xml
> > > > 
> > > 
> > > Hi,
> > > 
> > > just a heads-up, do I get the right impression that this is not yet in
> > > a shape to merge into Weston, so won't be included in 1.6?
> > 
> > Yes. The libinput side of tablet support still live on a separate branch,
> > so merging this series is not an option for 1.6 IMHO.
> 
> Ok, thanks for confirming that this is one series I don't need to feel
> bad about. :-)
> - pq
Yes, I think there's still a lot of work that needs to be done before
it's going to be ready for showtime. That being said however; reviews on
the patches I've posted would be very much appreciated, since no one's
responded to any of them yet.

Cheers,
	Lyude
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