On Thu, Feb 20, 2014 at 02:53:18PM +1000, Peter Hutterer wrote: > On Wed, Feb 19, 2014 at 10:04:10PM +0100, Jonas Ådahl wrote: > > Since a Wayland compositor have to represent all touch devices of a seat > > as one virtual device, lets make that easier by also providing seat wide > > slots with touch events. > > > > Seat wide slots may be accessed using > > libinput_event_touch_get_seat_slot(). > > > > Signed-off-by: Jonas Ådahl <jad...@gmail.com> > > --- > > src/evdev.c | 24 ++++++++++++++++++++++++ > > src/evdev.h | 3 +++ > > src/libinput-private.h | 2 ++ > > src/libinput.c | 9 +++++++++ > > src/libinput.h | 16 ++++++++++++++++ > > tools/event-debug.c | 3 ++- > > 6 files changed, 56 insertions(+), 1 deletion(-) > > > > diff --git a/src/evdev.c b/src/evdev.c > > index d2cdbaf..2b7070a 100644 > > --- a/src/evdev.c > > +++ b/src/evdev.c > > @@ -111,7 +111,9 @@ evdev_flush_pending_event(struct evdev_device *device, > > uint32_t time) > > { > > int32_t cx, cy; > > int slot; > > + uint32_t seat_slot; > > struct libinput_device *base = &device->base; > > + struct libinput_seat *seat = base->seat; > > > > slot = device->mt.slot; > > > > @@ -130,9 +132,14 @@ evdev_flush_pending_event(struct evdev_device *device, > > uint32_t time) > > if (!(device->seat_caps & EVDEV_DEVICE_TOUCH)) > > break; > > > > + seat_slot = ffs(~seat->slot_map) - 1; > > funny, had a bit of a deja-vu here :) > see > http://lists.freedesktop.org/archives/wayland-devel/2014-February/013238.html > for my comments, both still apply.
Hmm :) > ... >32 touch points ... Oops, seems I stashed away that part together with the unfinished test case. > ... seat_slot is never -1, ... This I did address without stashing away though. Jonas > > Cheers, > Peter > > > > + device->mt.slots[slot].seat_slot = seat_slot; > > + seat->slot_map |= 1 << seat_slot; > > + > > touch_notify_touch(base, > > time, > > slot, > > + seat_slot, > > li_fixed_from_int(device->mt.slots[slot].x), > > li_fixed_from_int(device->mt.slots[slot].y), > > LIBINPUT_TOUCH_TYPE_DOWN); > > @@ -141,9 +148,12 @@ evdev_flush_pending_event(struct evdev_device *device, > > uint32_t time) > > if (!(device->seat_caps & EVDEV_DEVICE_TOUCH)) > > break; > > > > + seat_slot = device->mt.slots[slot].seat_slot; > > + > > touch_notify_touch(base, > > time, > > slot, > > + seat_slot, > > li_fixed_from_int(device->mt.slots[slot].x), > > li_fixed_from_int(device->mt.slots[slot].y), > > LIBINPUT_TOUCH_TYPE_MOTION); > > @@ -152,9 +162,13 @@ evdev_flush_pending_event(struct evdev_device *device, > > uint32_t time) > > if (!(device->seat_caps & EVDEV_DEVICE_TOUCH)) > > break; > > > > + seat_slot = device->mt.slots[slot].seat_slot; > > + seat->slot_map &= ~(1 << seat_slot); > > + > > touch_notify_touch(base, > > time, > > slot, > > + seat_slot, > > 0, 0, > > LIBINPUT_TOUCH_TYPE_UP); > > break; > > @@ -162,10 +176,15 @@ evdev_flush_pending_event(struct evdev_device > > *device, uint32_t time) > > if (!(device->seat_caps & EVDEV_DEVICE_TOUCH)) > > break; > > > > + seat_slot = ffs(~seat->slot_map) - 1; > > + device->abs.seat_slot = seat_slot; > > + seat->slot_map |= 1 << seat_slot; > > + > > transform_absolute(device, &cx, &cy); > > touch_notify_touch(base, > > time, > > -1, > > + seat_slot, > > li_fixed_from_int(cx), > > li_fixed_from_int(cy), > > LIBINPUT_TOUCH_TYPE_DOWN); > > @@ -176,6 +195,7 @@ evdev_flush_pending_event(struct evdev_device *device, > > uint32_t time) > > touch_notify_touch(base, > > time, > > -1, > > + device->abs.seat_slot, > > li_fixed_from_int(cx), > > li_fixed_from_int(cy), > > LIBINPUT_TOUCH_TYPE_DOWN); > > @@ -190,9 +210,13 @@ evdev_flush_pending_event(struct evdev_device *device, > > uint32_t time) > > if (!(device->seat_caps & EVDEV_DEVICE_TOUCH)) > > break; > > > > + seat_slot = device->abs.seat_slot; > > + seat->slot_map &= ~(1 << seat_slot); > > + > > touch_notify_touch(base, > > time, > > -1, > > + seat_slot, > > 0, 0, > > LIBINPUT_TOUCH_TYPE_UP); > > break; > > diff --git a/src/evdev.h b/src/evdev.h > > index 3c9f93a..6e7f081 100644 > > --- a/src/evdev.h > > +++ b/src/evdev.h > > @@ -64,6 +64,8 @@ struct evdev_device { > > int min_x, max_x, min_y, max_y; > > int32_t x, y; > > > > + uint32_t seat_slot; > > + > > int apply_calibration; > > float calibration[6]; > > } abs; > > @@ -71,6 +73,7 @@ struct evdev_device { > > struct { > > int slot; > > struct { > > + uint32_t seat_slot; > > int32_t x, y; > > } slots[MAX_SLOTS]; > > } mt; > > diff --git a/src/libinput-private.h b/src/libinput-private.h > > index 0d7de90..e9931b8 100644 > > --- a/src/libinput-private.h > > +++ b/src/libinput-private.h > > @@ -57,6 +57,7 @@ struct libinput_seat { > > struct list devices_list; > > void *user_data; > > int refcount; > > + uint32_t slot_map; > > char *physical_name; > > char *logical_name; > > libinput_seat_destroy_func destroy; > > @@ -148,6 +149,7 @@ void > > touch_notify_touch(struct libinput_device *device, > > uint32_t time, > > int32_t slot, > > + int32_t seat_slot, > > li_fixed_t x, > > li_fixed_t y, > > enum libinput_touch_type touch_type); > > diff --git a/src/libinput.c b/src/libinput.c > > index 465913b..e0b7f71 100644 > > --- a/src/libinput.c > > +++ b/src/libinput.c > > @@ -72,6 +72,7 @@ struct libinput_event_touch { > > struct libinput_event base; > > uint32_t time; > > int32_t slot; > > + int32_t seat_slot; > > li_fixed_t x; > > li_fixed_t y; > > enum libinput_touch_type touch_type; > > @@ -295,6 +296,12 @@ libinput_event_touch_get_slot(struct > > libinput_event_touch *event) > > return event->slot; > > } > > > > +LIBINPUT_EXPORT int32_t > > +libinput_event_touch_get_seat_slot(struct libinput_event_touch *event) > > +{ > > + return event->seat_slot; > > +} > > + > > LIBINPUT_EXPORT li_fixed_t > > libinput_event_touch_get_x(struct libinput_event_touch *event) > > { > > @@ -774,6 +781,7 @@ void > > touch_notify_touch(struct libinput_device *device, > > uint32_t time, > > int32_t slot, > > + int32_t seat_slot, > > li_fixed_t x, > > li_fixed_t y, > > enum libinput_touch_type touch_type) > > @@ -787,6 +795,7 @@ touch_notify_touch(struct libinput_device *device, > > *touch_event = (struct libinput_event_touch) { > > .time = time, > > .slot = slot, > > + .seat_slot = seat_slot, > > .x = x, > > .y = y, > > .touch_type = touch_type, > > diff --git a/src/libinput.h b/src/libinput.h > > index 30b6011..a27c164 100644 > > --- a/src/libinput.h > > +++ b/src/libinput.h > > @@ -571,6 +571,22 @@ libinput_event_touch_get_slot(struct > > libinput_event_touch *event); > > /** > > * @ingroup event_touch > > * > > + * Get the seat slot of the touch event. A seat slot is a non-negative seat > > + * wide unique identifier of an active touch point. > > + * > > + * Events from single touch devices will be represented as one individual > > + * touch point per device. > > + * > > + * @note this function should not be called for LIBINPUT_EVENT_TOUCH_FRAME. > > + * > > + * @return The seat slot of the touch event > > + */ > > +int32_t > > +libinput_event_touch_get_seat_slot(struct libinput_event_touch *event); > > + > > +/** > > + * @ingroup event_touch > > + * > > * Return the current absolute x coordinate of the touch event. > > * > > * The coordinate is in a device specific coordinate space; to get the > > diff --git a/tools/event-debug.c b/tools/event-debug.c > > index d60cb2e..4eb5dd3 100644 > > --- a/tools/event-debug.c > > +++ b/tools/event-debug.c > > @@ -336,9 +336,10 @@ print_touch_event(struct libinput_event *ev) > > > > print_event_time(libinput_event_touch_get_time(t)); > > > > - printf("%6s %d %5.2f/%5.2f\n", > > + printf("%6s %d (%d) %5.2f/%5.2f\n", > > type, > > libinput_event_touch_get_slot(t), > > + libinput_event_touch_get_seat_slot(t), > > li_fixed_to_double(x), > > li_fixed_to_double(y)); > > } > > -- > > 1.8.3.2 > > > > _______________________________________________ > > wayland-devel mailing list > > wayland-devel@lists.freedesktop.org > > http://lists.freedesktop.org/mailman/listinfo/wayland-devel > > _______________________________________________ wayland-devel mailing list wayland-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/wayland-devel