Add listener for lid switch events, disable touchpad on switch event.
---
src/evdev-mt-touchpad.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
src/evdev-mt-touchpad.h | 5 +++++
2 files changed, 52 insertions(+)
diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index f437c2d..eaf232b 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -1177,6 +1177,10 @@ tp_remove_sendevents(struct tp_dispatch *tp)
if (tp->dwt.keyboard)
libinput_device_remove_event_listener(
&tp->dwt.keyboard_listener);
+
+ if (tp->lid_switch.lid_switch)
+ libinput_device_remove_event_listener(
+ &tp->lid_switch.lid_switch_listener);
}
static void
@@ -1554,6 +1558,48 @@ tp_pair_trackpoint(struct evdev_device *touchpad,
}
static void
+tp_lid_switch_event(uint64_t time, struct libinput_event *event, void *data)
+{
+ struct tp_dispatch *tp = data;
+ struct libinput_event_switch *swev;
+
+ swev = libinput_event_get_switch_event(event);
+
+ switch (libinput_event_switch_get_switch_state(swev)) {
+ case LIBINPUT_SWITCH_STATE_OFF:
+ tp_resume(tp, tp->device);
+ log_debug(tp_libinput_context(tp), "lid: resume touchpad\n");
+ break;
+ case LIBINPUT_SWITCH_STATE_ON:
+ tp_suspend(tp, tp->device);
+ log_debug(tp_libinput_context(tp), "lid: suspend touchpad\n");
+ break;
+ }
+}
+
+static void
+tp_pair_lid_switch(struct evdev_device *touchpad,
+ struct evdev_device *lid_switch)
+{
+ struct tp_dispatch *tp = (struct tp_dispatch*)touchpad->dispatch;
+
+ if ((lid_switch->tags & EVDEV_TAG_LID_SWITCH) == 0)
+ return;
+
+ if (tp->lid_switch.lid_switch == NULL) {
+ log_debug(tp_libinput_context(tp),
+ "lid_switch: activated for %s<->%s\n",
+ touchpad->devname,
+ lid_switch->devname);
+
+ libinput_device_add_event_listener(&lid_switch->base,
+ &tp->lid_switch.lid_switch_listener,
+ tp_lid_switch_event, tp);
+ tp->lid_switch.lid_switch = lid_switch;
+ }
+}
+
+static void
tp_interface_device_added(struct evdev_device *device,
struct evdev_device *added_device)
{
@@ -1561,6 +1607,7 @@ tp_interface_device_added(struct evdev_device *device,
tp_pair_trackpoint(device, added_device);
tp_dwt_pair_keyboard(device, added_device);
+ tp_pair_lid_switch(device, added_device);
if (tp->sendevents.current_mode !=
LIBINPUT_CONFIG_SEND_EVENTS_DISABLED_ON_EXTERNAL_MOUSE)
diff --git a/src/evdev-mt-touchpad.h b/src/evdev-mt-touchpad.h
index b9ca5bf..f8fc127 100644
--- a/src/evdev-mt-touchpad.h
+++ b/src/evdev-mt-touchpad.h
@@ -376,6 +376,11 @@ struct tp_dispatch {
*/
unsigned int nonmotion_event_count;
} quirks;
+
+ struct {
+ struct libinput_event_listener lid_switch_listener;
+ struct evdev_device *lid_switch;
+ } lid_switch;
};
#define tp_for_each_touch(_tp, _t) \
--
2.9.3
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