fallback: when force-releasing keys, release them directly

An emulated button is recorded as BTN_MIDDLE in the key down mask. If the
device is removed in that state, the BTN_MIDDLE event processed triggers
an assertion when we try to send out the event twice.

Fixes #201

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2019-01-30 14:10:28 +10:00
parent 507441537e
commit c75c00dac3
2 changed files with 33 additions and 1 deletions

View file

@ -1095,7 +1095,7 @@ release_pressed_keys(struct fallback_dispatch *dispatch,
LIBINPUT_KEY_STATE_RELEASED);
break;
case KEY_TYPE_BUTTON:
evdev_pointer_notify_physical_button(
evdev_pointer_notify_button(
device,
time,
evdev_to_left_handed(device, code),

View file

@ -2107,6 +2107,37 @@ START_TEST(middlebutton_button_scrolling_middle)
}
END_TEST
START_TEST(middlebutton_device_remove_while_down)
{
struct litest_device *dev = litest_current_device();
struct libinput_device *device = dev->libinput_device;
struct libinput *li = dev->libinput;
enum libinput_config_status status;
libinput_device_config_scroll_set_method(device,
LIBINPUT_CONFIG_SCROLL_NO_SCROLL);
status = libinput_device_config_middle_emulation_set_enabled(
device,
LIBINPUT_CONFIG_MIDDLE_EMULATION_ENABLED);
if (status == LIBINPUT_CONFIG_STATUS_UNSUPPORTED)
return;
litest_drain_events(li);
litest_event(dev, EV_KEY, BTN_LEFT, 1);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
litest_event(dev, EV_KEY, BTN_RIGHT, 1);
litest_event(dev, EV_SYN, SYN_REPORT, 0);
libinput_dispatch(li);
litest_assert_button_event(li,
BTN_MIDDLE,
LIBINPUT_BUTTON_STATE_PRESSED);
litest_assert_empty_queue(li);
}
END_TEST
START_TEST(pointer_time_usec)
{
struct litest_device *dev = litest_current_device();
@ -2673,6 +2704,7 @@ TEST_COLLECTION(pointer)
litest_add_for_device("pointer:middlebutton", middlebutton_default_alps, LITEST_ALPS_SEMI_MT);
litest_add("pointer:middlebutton", middlebutton_button_scrolling, LITEST_RELATIVE|LITEST_BUTTON, LITEST_CLICKPAD);
litest_add("pointer:middlebutton", middlebutton_button_scrolling_middle, LITEST_RELATIVE|LITEST_BUTTON, LITEST_CLICKPAD);
litest_add("pointer:middlebutton", middlebutton_device_remove_while_down, LITEST_BUTTON, LITEST_CLICKPAD);
litest_add_ranged("pointer:state", pointer_absolute_initial_state, LITEST_ABSOLUTE, LITEST_ANY, &axis_range);