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evdev: move axis dimension handling into a single helper function

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Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer 2016-07-04 12:59:01 +10:00
parent 2469adc852
commit ad031733f2
1 changed files with 22 additions and 20 deletions
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42
src/evdev.c
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@ -2116,14 +2116,30 @@ evdev_reject_device(struct evdev_device *device)
return false;
}
static bool
evdev_configure_mt_device(struct evdev_device *device)
static void
evdev_extract_abs_axes(struct evdev_device *device)
{
struct libevdev *evdev = device->evdev;
if (!libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) ||
if (!libevdev_has_event_code(evdev, EV_ABS, ABS_X) ||
!libevdev_has_event_code(evdev, EV_ABS, ABS_Y))
return;
if (evdev_fix_abs_resolution(device, ABS_X, ABS_Y))
device->abs.fake_resolution = 1;
device->abs.absinfo_x = libevdev_get_abs_info(evdev, ABS_X);
device->abs.absinfo_y = libevdev_get_abs_info(evdev, ABS_Y);
device->abs.point.x = device->abs.absinfo_x->value;
device->abs.point.y = device->abs.absinfo_y->value;
device->abs.dimensions.x = abs(device->abs.absinfo_x->maximum -
device->abs.absinfo_x->minimum);
device->abs.dimensions.y = abs(device->abs.absinfo_y->maximum -
device->abs.absinfo_y->minimum);
if (evdev_is_fake_mt_device(device) ||
!libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) ||
!libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y))
return true;
return;
if (evdev_fix_abs_resolution(device,
ABS_MT_POSITION_X,
@ -2137,8 +2153,6 @@ evdev_configure_mt_device(struct evdev_device *device)
device->abs.dimensions.y = abs(device->abs.absinfo_y->maximum -
device->abs.absinfo_y->minimum);
device->is_mt = 1;
return true;
}
static struct evdev_dispatch *
@ -2201,22 +2215,10 @@ evdev_configure_device(struct evdev_device *device)
evdev_fix_android_mt(device);
if (libevdev_has_event_code(evdev, EV_ABS, ABS_X)) {
if (evdev_fix_abs_resolution(device, ABS_X, ABS_Y))
device->abs.fake_resolution = 1;
device->abs.absinfo_x = libevdev_get_abs_info(evdev, ABS_X);
device->abs.absinfo_y = libevdev_get_abs_info(evdev, ABS_Y);
device->abs.point.x = device->abs.absinfo_x->value;
device->abs.point.y = device->abs.absinfo_y->value;
device->abs.dimensions.x = abs(device->abs.absinfo_x->maximum -
device->abs.absinfo_x->minimum);
device->abs.dimensions.y = abs(device->abs.absinfo_y->maximum -
device->abs.absinfo_y->minimum);
evdev_extract_abs_axes(device);
if (evdev_is_fake_mt_device(device)) {
if (evdev_is_fake_mt_device(device))
udev_tags &= ~EVDEV_UDEV_TAG_TOUCHSCREEN;
} else if (!evdev_configure_mt_device(device)) {
return NULL;
}
}
/* libwacom assigns touchpad (or touchscreen) _and_ tablet to the