[PATCH libinput] tablet: add hwdb entries to ignore Wacom Cintiq offsets
Peter Hutterer
peter.hutterer at who-t.net
Tue Feb 16 05:47:57 UTC 2016
Wacom Cintiqs and some DTK/DTU devices have a sensor larger than the
underlying display. Clamp any data outside the screen area to the screen area.
Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>
---
src/evdev-tablet.c | 27 +++++++++++++++++--------
src/evdev.c | 1 +
src/evdev.h | 1 +
test/tablet.c | 8 ++++----
udev/90-libinput-model-quirks.hwdb | 36 ++++++++++++++++++++++++++++++++++
udev/90-libinput-model-quirks.rules.in | 4 ++++
6 files changed, 65 insertions(+), 12 deletions(-)
diff --git a/src/evdev-tablet.c b/src/evdev-tablet.c
index 1e5c2cd..50ecf25 100644
--- a/src/evdev-tablet.c
+++ b/src/evdev-tablet.c
@@ -244,9 +244,9 @@ adjust_tilt(const struct input_absinfo *absinfo)
}
static inline int32_t
-invert_axis(const struct input_absinfo *absinfo)
+invert_axis(const struct input_absinfo *absinfo, int value)
{
- return absinfo->maximum - (absinfo->value - absinfo->minimum);
+ return absinfo->maximum - (value - absinfo->minimum);
}
static void
@@ -292,6 +292,18 @@ normalize_wheel(struct tablet_dispatch *tablet,
return value * device->scroll.wheel_click_angle;
}
+static inline int
+tablet_get_ranged_value(struct evdev_device *device,
+ const struct input_absinfo *abs)
+{
+ int value = abs->value;
+
+ if (device->model_flags & EVDEV_MODEL_WACOM_SENSOR_OFFSET)
+ value = max(min(value, abs->maximum), abs->minimum);
+
+ return value;
+}
+
static inline void
tablet_handle_xy(struct tablet_dispatch *tablet,
struct evdev_device *device,
@@ -305,26 +317,25 @@ tablet_handle_xy(struct tablet_dispatch *tablet,
if (bit_is_set(tablet->changed_axes, LIBINPUT_TABLET_TOOL_AXIS_X)) {
absinfo = libevdev_get_abs_info(device->evdev, ABS_X);
+ value = tablet_get_ranged_value(device, absinfo);
if (device->left_handed.enabled)
- value = invert_axis(absinfo);
- else
- value = absinfo->value;
+ value = invert_axis(absinfo, value);
if (!tablet_has_status(tablet,
TABLET_TOOL_ENTERING_PROXIMITY))
delta.x = value - tablet->axes.point.x;
tablet->axes.point.x = value;
+
}
point.x = tablet->axes.point.x;
if (bit_is_set(tablet->changed_axes, LIBINPUT_TABLET_TOOL_AXIS_Y)) {
absinfo = libevdev_get_abs_info(device->evdev, ABS_Y);
+ value = tablet_get_ranged_value(device, absinfo);
if (device->left_handed.enabled)
- value = invert_axis(absinfo);
- else
- value = absinfo->value;
+ value = invert_axis(absinfo, value);
if (!tablet_has_status(tablet,
TABLET_TOOL_ENTERING_PROXIMITY))
diff --git a/src/evdev.c b/src/evdev.c
index 51768fe..ccfd7e4 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -1680,6 +1680,7 @@ evdev_read_model_flags(struct evdev_device *device)
{ "LIBINPUT_MODEL_CYBORG_RAT", EVDEV_MODEL_CYBORG_RAT },
{ "LIBINPUT_MODEL_CYAPA", EVDEV_MODEL_CYAPA },
{ "LIBINPUT_MODEL_ALPS_RUSHMORE", EVDEV_MODEL_ALPS_RUSHMORE },
+ { "LIBINPUT_MODEL_WACOM_SENSOR_OFFSET", EVDEV_MODEL_WACOM_SENSOR_OFFSET },
{ NULL, EVDEV_MODEL_DEFAULT },
};
const struct model_map *m = model_map;
diff --git a/src/evdev.h b/src/evdev.h
index 482712b..80f1606 100644
--- a/src/evdev.h
+++ b/src/evdev.h
@@ -113,6 +113,7 @@ enum evdev_device_model {
EVDEV_MODEL_CYBORG_RAT = (1 << 14),
EVDEV_MODEL_CYAPA = (1 << 15),
EVDEV_MODEL_ALPS_RUSHMORE = (1 << 16),
+ EVDEV_MODEL_WACOM_SENSOR_OFFSET = (1 << 17),
};
struct mt_slot {
diff --git a/test/tablet.c b/test/tablet.c
index c5dc892..b1f7160 100644
--- a/test/tablet.c
+++ b/test/tablet.c
@@ -1682,12 +1682,12 @@ START_TEST(motion_outside_bounds)
tablet_event = litest_is_tablet_event(event,
LIBINPUT_EVENT_TABLET_TOOL_AXIS);
val = libinput_event_tablet_tool_get_x(tablet_event);
- ck_assert_double_lt(val, 0.0);
+ ck_assert_double_eq(val, 0.0);
val = libinput_event_tablet_tool_get_y(tablet_event);
ck_assert_double_gt(val, 0.0);
val = libinput_event_tablet_tool_get_x_transformed(tablet_event, 100);
- ck_assert_double_lt(val, 0.0);
+ ck_assert_double_eq(val, 0.0);
libinput_event_destroy(event);
@@ -1703,10 +1703,10 @@ START_TEST(motion_outside_bounds)
val = libinput_event_tablet_tool_get_x(tablet_event);
ck_assert_double_gt(val, 0.0);
val = libinput_event_tablet_tool_get_y(tablet_event);
- ck_assert_double_lt(val, 0.0);
+ ck_assert_double_eq(val, 0.0);
val = libinput_event_tablet_tool_get_y_transformed(tablet_event, 100);
- ck_assert_double_lt(val, 0.0);
+ ck_assert_double_eq(val, 0.0);
libinput_event_destroy(event);
}
diff --git a/udev/90-libinput-model-quirks.hwdb b/udev/90-libinput-model-quirks.hwdb
index eb2859e..07fb23f 100644
--- a/udev/90-libinput-model-quirks.hwdb
+++ b/udev/90-libinput-model-quirks.hwdb
@@ -131,3 +131,39 @@ libinput:name:SynPS/2 Synaptics TouchPad:dmi:*svnSystem76*pvrkudp1*
##########################################
libinput:touchpad:input:b0003v056Ap*
LIBINPUT_MODEL_WACOM_TOUCHPAD=1
+
+# DTK2241
+libinput:tablet:input:b0003v056Ap0057*
+# DTK2242
+libinput:tablet:input:b0003v056Ap0059*
+# Cintiq 22HDT
+libinput:tablet:input:b0003v056Ap005B*
+# Cintiq 21UX2
+libinput:tablet:input:b0003v056Ap00CC*
+# Cintiq 24HD
+libinput:tablet:input:b0003v056Ap00F4*
+# Cintiq 24HDT
+libinput:tablet:input:b0003v056Ap00F8*
+# Cintiq 22HD
+libinput:tablet:input:b0003v056Ap00FA*
+# DTU1031
+libinput:tablet:input:b0003v056Ap00FB*
+# Cintiq 13HD
+libinput:tablet:input:b0003v056Ap0304*
+# ISDv4 307
+libinput:tablet:input:b0003v056Ap0307*
+# ISDv4 30A
+libinput:tablet:input:b0003v056Ap030A*
+# ISDv4 325
+libinput:tablet:input:b0003v056Ap0325*
+# Cintiq 27QHD
+libinput:tablet:input:b0003v056Ap032A*
+# Cintiq 27QHDT
+libinput:tablet:input:b0003v056Ap032B*
+# DTU1031X
+libinput:tablet:input:b0003v056Ap032F*
+# Cintiq 13HDT
+libinput:tablet:input:b0003v056Ap0333*
+# DTU1141
+libinput:tablet:input:b0003v056Ap0336*
+ LIBINPUT_MODEL_WACOM_SENSOR_OFFSET=1
diff --git a/udev/90-libinput-model-quirks.rules.in b/udev/90-libinput-model-quirks.rules.in
index 8bff192..4e96bb3 100644
--- a/udev/90-libinput-model-quirks.rules.in
+++ b/udev/90-libinput-model-quirks.rules.in
@@ -33,6 +33,10 @@ ENV{ID_INPUT_TOUCHPAD}=="1", \
ENV{ID_INPUT_MOUSE}=="1", \
IMPORT{builtin}="hwdb --subsystem=input --lookup-prefix=libinput:mouse:"
+# libinput:tablet:<modalias>
+ENV{ID_INPUT_TABLET}=="1", \
+ IMPORT{builtin}="hwdb --subsystem=input --lookup-prefix=libinput:tablet:"
+
# libinput:name:<name>:dmi:<dmi string>
KERNELS=="input*", \
IMPORT{builtin}="hwdb 'libinput:name:$attr{name}:$attr{[dmi/id]modalias}'"
--
2.5.0
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