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touchpad: allow for multiple paired keyboards

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needed for the razer blade keybard which provides multiple event nodes for
one physical device but it's hard/impossible to identify which one is the real
event node we care about.

https://bugs.freedesktop.org/show_bug.cgi?id=103156

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
(cherry picked from commit 4d7592066a)
This commit is contained in:
Peter Hutterer 2017-10-23 14:34:47 +10:00
parent 021865232d
commit a83085e4f9
3 changed files with 196 additions and 25 deletions
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53
src/evdev-mt-touchpad.c
View file

@ -1588,6 +1588,8 @@ tp_interface_process(struct evdev_dispatch *dispatch,
static void
tp_remove_sendevents(struct tp_dispatch *tp)
{
struct paired_keyboard *kbd;
libinput_timer_cancel(&tp->palm.trackpoint_timer);
libinput_timer_cancel(&tp->dwt.keyboard_timer);
@ -1596,9 +1598,10 @@ tp_remove_sendevents(struct tp_dispatch *tp)
libinput_device_remove_event_listener(
&tp->palm.trackpoint_listener);
if (tp->dwt.keyboard)
libinput_device_remove_event_listener(
&tp->dwt.keyboard_listener);
ARRAY_FOR_EACH(tp->dwt.paired_keyboard, kbd) {
if (kbd->device)
libinput_device_remove_event_listener(&kbd->listener);
}
if (tp->lid_switch.lid_switch)
libinput_device_remove_event_listener(
@ -1964,9 +1967,8 @@ tp_dwt_pair_keyboard(struct evdev_device *touchpad,
struct evdev_device *keyboard)
{
struct tp_dispatch *tp = (struct tp_dispatch*)touchpad->dispatch;
if (tp->dwt.keyboard)
return;
struct paired_keyboard *kbd;
bool found = false;
if ((keyboard->tags & EVDEV_TAG_KEYBOARD) == 0)
return;
@ -1974,16 +1976,25 @@ tp_dwt_pair_keyboard(struct evdev_device *touchpad,
if (!tp_want_dwt(touchpad, keyboard))
return;
libinput_device_add_event_listener(&keyboard->base,
&tp->dwt.keyboard_listener,
tp_keyboard_event, tp);
tp->dwt.keyboard = keyboard;
tp->dwt.keyboard_active = false;
ARRAY_FOR_EACH(tp->dwt.paired_keyboard, kbd) {
if (kbd->device)
continue;
evdev_log_debug(touchpad,
"palm: dwt activated with %s<->%s\n",
touchpad->devname,
keyboard->devname);
found = true;
libinput_device_add_event_listener(&keyboard->base,
&kbd->listener,
tp_keyboard_event, tp);
kbd->device = keyboard;
evdev_log_debug(touchpad,
"palm: dwt activated with %s<->%s\n",
touchpad->devname,
keyboard->devname);
break;
}
if (!found)
evdev_log_bug_libinput(touchpad,
"too many internal keyboards for dwt\n");
}
static void
@ -2121,6 +2132,7 @@ tp_interface_device_removed(struct evdev_device *device,
struct evdev_device *removed_device)
{
struct tp_dispatch *tp = (struct tp_dispatch*)device->dispatch;
struct paired_keyboard *kbd;
if (removed_device == tp->buttons.trackpoint) {
/* Clear any pending releases for the trackpoint */
@ -2134,11 +2146,12 @@ tp_interface_device_removed(struct evdev_device *device,
tp->buttons.trackpoint = NULL;
}
if (removed_device == tp->dwt.keyboard) {
libinput_device_remove_event_listener(
&tp->dwt.keyboard_listener);
tp->dwt.keyboard = NULL;
tp->dwt.keyboard_active = false;
ARRAY_FOR_EACH(tp->dwt.paired_keyboard, kbd) {
if (kbd->device == removed_device) {
libinput_device_remove_event_listener(&kbd->listener);
kbd->device = NULL;
tp->dwt.keyboard_active = false;
}
}
if (removed_device == tp->lid_switch.lid_switch) {

17
src/evdev-mt-touchpad.h
View file

@ -383,13 +383,20 @@ struct tp_dispatch {
struct libinput_device_config_dwt config;
bool dwt_enabled;
bool keyboard_active;
struct libinput_event_listener keyboard_listener;
struct libinput_timer keyboard_timer;
struct evdev_device *keyboard;
/* We have to allow for more than one device node to be the
* internal dwt keyboard (Razer Blade). But they're the same
* physical device, so we don't care about per-keyboard
* key/modifier masks.
*/
struct paired_keyboard {
struct evdev_device *device;
struct libinput_event_listener listener;
} paired_keyboard[3];
unsigned long key_mask[NLONGS(KEY_CNT)];
unsigned long mod_mask[NLONGS(KEY_CNT)];
bool keyboard_active;
struct libinput_timer keyboard_timer;
uint64_t keyboard_last_press_time;
} dwt;

151
test/test-touchpad.c
View file

@ -4232,6 +4232,152 @@ START_TEST(touchpad_dwt_acer_hawaii)
}
END_TEST
START_TEST(touchpad_dwt_multiple_keyboards)
{
struct litest_device *touchpad = litest_current_device();
struct litest_device *k1, *k2;
struct libinput *li = touchpad->libinput;
ck_assert(has_disable_while_typing(touchpad));
enable_dwt(touchpad);
k1 = litest_add_device(li, LITEST_KEYBOARD);
k2 = litest_add_device(li, LITEST_KEYBOARD);
litest_keyboard_key(k1, KEY_A, true);
litest_keyboard_key(k1, KEY_A, false);
litest_drain_events(li);
litest_touch_down(touchpad, 0, 50, 50);
litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
litest_touch_up(touchpad, 0);
litest_assert_empty_queue(li);
litest_timeout_dwt_short();
litest_keyboard_key(k2, KEY_A, true);
litest_keyboard_key(k2, KEY_A, false);
litest_drain_events(li);
litest_touch_down(touchpad, 0, 50, 50);
litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
litest_touch_up(touchpad, 0);
litest_assert_empty_queue(li);
litest_timeout_dwt_short();
litest_delete_device(k1);
litest_delete_device(k2);
}
END_TEST
START_TEST(touchpad_dwt_multiple_keyboards_bothkeys)
{
struct litest_device *touchpad = litest_current_device();
struct litest_device *k1, *k2;
struct libinput *li = touchpad->libinput;
ck_assert(has_disable_while_typing(touchpad));
enable_dwt(touchpad);
k1 = litest_add_device(li, LITEST_KEYBOARD);
k2 = litest_add_device(li, LITEST_KEYBOARD);
litest_keyboard_key(k1, KEY_A, true);
litest_keyboard_key(k1, KEY_A, false);
litest_keyboard_key(k2, KEY_B, true);
litest_keyboard_key(k2, KEY_B, false);
litest_drain_events(li);
litest_touch_down(touchpad, 0, 50, 50);
litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
litest_touch_up(touchpad, 0);
litest_assert_empty_queue(li);
litest_delete_device(k1);
litest_delete_device(k2);
}
END_TEST
START_TEST(touchpad_dwt_multiple_keyboards_bothkeys_modifier)
{
struct litest_device *touchpad = litest_current_device();
struct litest_device *k1, *k2;
struct libinput *li = touchpad->libinput;
ck_assert(has_disable_while_typing(touchpad));
enable_dwt(touchpad);
k1 = litest_add_device(li, LITEST_KEYBOARD);
k2 = litest_add_device(li, LITEST_KEYBOARD);
litest_keyboard_key(k1, KEY_RIGHTCTRL, true);
litest_keyboard_key(k1, KEY_RIGHTCTRL, false);
litest_keyboard_key(k2, KEY_B, true);
litest_keyboard_key(k2, KEY_B, false);
litest_drain_events(li);
/* If the keyboard is a single physical device, the above should
* trigger the modifier behavior for dwt. But libinput views it as
* two separate devices and this is such a niche case that it
* doesn't matter. So we test for the easy behavior:
* ctrl+B across two devices is *not* a dwt modifier combo
*/
litest_touch_down(touchpad, 0, 50, 50);
litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
litest_touch_up(touchpad, 0);
litest_assert_empty_queue(li);
litest_delete_device(k1);
litest_delete_device(k2);
}
END_TEST
START_TEST(touchpad_dwt_multiple_keyboards_remove)
{
struct litest_device *touchpad = litest_current_device();
struct litest_device *keyboards[2];
struct libinput *li = touchpad->libinput;
int which = _i; /* ranged test */
struct litest_device *removed, *remained;
ck_assert_int_le(which, 1);
ck_assert(has_disable_while_typing(touchpad));
enable_dwt(touchpad);
keyboards[0] = litest_add_device(li, LITEST_KEYBOARD);
keyboards[1] = litest_add_device(li, LITEST_KEYBOARD);
litest_keyboard_key(keyboards[0], KEY_A, true);
litest_keyboard_key(keyboards[0], KEY_A, false);
litest_keyboard_key(keyboards[1], KEY_B, true);
litest_keyboard_key(keyboards[1], KEY_B, false);
litest_drain_events(li);
litest_timeout_dwt_short();
removed = keyboards[which % 2];
remained = keyboards[(which + 1) % 2];
litest_delete_device(removed);
litest_keyboard_key(remained, KEY_C, true);
litest_keyboard_key(remained, KEY_C, false);
litest_drain_events(li);
litest_touch_down(touchpad, 0, 50, 50);
litest_touch_move_to(touchpad, 0, 50, 50, 70, 50, 10, 1);
litest_touch_up(touchpad, 0);
litest_assert_empty_queue(li);
litest_delete_device(remained);
}
END_TEST
static int
has_thumb_detect(struct litest_device *dev)
{
@ -5493,6 +5639,7 @@ void
litest_setup_tests_touchpad(void)
{
struct range axis_range = {ABS_X, ABS_Y + 1};
struct range twice = {0, 2 };
litest_add("touchpad:motion", touchpad_1fg_motion, LITEST_TOUCHPAD, LITEST_ANY);
litest_add("touchpad:motion", touchpad_2fg_no_motion, LITEST_TOUCHPAD, LITEST_SINGLE_TOUCH);
@ -5620,6 +5767,10 @@ litest_setup_tests_touchpad(void)
litest_add("touchpad:dwt", touchpad_dwt_remove_kbd_while_active, LITEST_TOUCHPAD, LITEST_ANY);
litest_add_for_device("touchpad:dwt", touchpad_dwt_apple, LITEST_BCM5974);
litest_add_for_device("touchpad:dwt", touchpad_dwt_acer_hawaii, LITEST_ACER_HAWAII_TOUCHPAD);
litest_add_for_device("touchpad:dwt", touchpad_dwt_multiple_keyboards, LITEST_SYNAPTICS_I2C);
litest_add_for_device("touchpad:dwt", touchpad_dwt_multiple_keyboards_bothkeys, LITEST_SYNAPTICS_I2C);
litest_add_for_device("touchpad:dwt", touchpad_dwt_multiple_keyboards_bothkeys_modifier, LITEST_SYNAPTICS_I2C);
litest_add_ranged_for_device("touchpad:dwt", touchpad_dwt_multiple_keyboards_remove, LITEST_SYNAPTICS_I2C, &twice);
litest_add("touchpad:thumb", touchpad_thumb_begin_no_motion, LITEST_CLICKPAD, LITEST_ANY);
litest_add("touchpad:thumb", touchpad_thumb_update_no_motion, LITEST_CLICKPAD, LITEST_ANY);