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touchpad: Keep track of associated trackpoint device

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The top soft buttons are intended for use with a trackpoint, and to e.g.
make middle button scrolling work correctly, we must post the events for
these "buttons" through the trackpoint device.

This commit is a preparation patch for this, it adds a link to the
trackpoint to the touchpad, but does not yet do anything with it.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2014-09-16 16:22:38 +02:00
parent 3bf9b02d81
commit a8ffc096be
4 changed files with 19 additions and 0 deletions
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7
src/evdev-mt-touchpad.c
View file

@ -642,6 +642,10 @@ tp_device_added(struct evdev_device *device,
{
struct tp_dispatch *tp = (struct tp_dispatch*)device->dispatch;
if (tp->buttons.trackpoint == NULL &&
(added_device->tags & EVDEV_TAG_TRACKPOINT))
tp->buttons.trackpoint = added_device;
if (tp->sendevents.current_mode !=
LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE)
return;
@ -657,6 +661,9 @@ tp_device_removed(struct evdev_device *device,
struct tp_dispatch *tp = (struct tp_dispatch*)device->dispatch;
struct libinput_device *dev;
if (removed_device == tp->buttons.trackpoint)
tp->buttons.trackpoint = NULL;
if (tp->sendevents.current_mode !=
LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE)
return;

2
src/evdev-mt-touchpad.h
View file

@ -198,6 +198,8 @@ struct tp_dispatch {
int32_t rightbutton_left_edge;
int32_t leftbutton_right_edge;
} top_area;
struct evdev_device *trackpoint;
} buttons; /* physical buttons */
enum touchpad_event queued;

9
src/evdev.c
View file

@ -606,6 +606,14 @@ evdev_tag_external_mouse(struct evdev_device *device,
}
}
static void
evdev_tag_trackpoint(struct evdev_device *device,
struct udev_device *udev_device)
{
if (libevdev_has_property(device->evdev, INPUT_PROP_POINTING_STICK))
device->tags |= EVDEV_TAG_TRACKPOINT;
}
static void
fallback_process(struct evdev_dispatch *dispatch,
struct evdev_device *device,
@ -644,6 +652,7 @@ fallback_tag_device(struct evdev_device *device,
struct udev_device *udev_device)
{
evdev_tag_external_mouse(device, udev_device);
evdev_tag_trackpoint(device, udev_device);
}
static int

1
src/evdev.h
View file

@ -53,6 +53,7 @@ enum evdev_device_seat_capability {
enum evdev_device_tags {
EVDEV_TAG_EXTERNAL_MOUSE = (1 << 0),
EVDEV_TAG_INTERNAL_TOUCHPAD = (1 << 1),
EVDEV_TAG_TRACKPOINT = (1 << 2),
};
struct mt_slot {