XLibre/xf86-input-libinput
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Split the scroll axis details up for easier extension

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If we need more per-axis fields, it's easier to add this way.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2019-01-21 13:05:23 +10:00
parent b63f7994dc
commit 347c78387e
1 changed files with 18 additions and 19 deletions
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37
src/xf86libinput.c
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@@ -128,11 +128,10 @@ struct xf86libinput {
uint32_t capabilities;
struct {
int vdist;
int hdist;
double vdist_fraction;
double hdist_fraction;
struct scroll_axis {
int dist;
double fraction;
} v, h;
} scroll;
struct {
@@ -936,8 +935,8 @@ xf86libinput_init_pointer(InputInfoPtr pInfo)
XIGetKnownProperty(AXIS_LABEL_PROP_REL_Y),
min, max, res * 1000, 0, res * 1000, Relative);
SetScrollValuator(dev, 2, SCROLL_TYPE_HORIZONTAL, driver_data->scroll.hdist, 0);
SetScrollValuator(dev, 3, SCROLL_TYPE_VERTICAL, driver_data->scroll.vdist, 0);
SetScrollValuator(dev, 2, SCROLL_TYPE_HORIZONTAL, driver_data->scroll.h.dist, 0);
SetScrollValuator(dev, 3, SCROLL_TYPE_VERTICAL, driver_data->scroll.v.dist, 0);
return Success;
}
@@ -984,8 +983,8 @@ xf86libinput_init_pointer_absolute(InputInfoPtr pInfo)
XIGetKnownProperty(AXIS_LABEL_PROP_ABS_Y),
min, max, res * 1000, 0, res * 1000, Absolute);
SetScrollValuator(dev, 2, SCROLL_TYPE_HORIZONTAL, driver_data->scroll.hdist, 0);
SetScrollValuator(dev, 3, SCROLL_TYPE_VERTICAL, driver_data->scroll.vdist, 0);
SetScrollValuator(dev, 2, SCROLL_TYPE_HORIZONTAL, driver_data->scroll.h.dist, 0);
SetScrollValuator(dev, 3, SCROLL_TYPE_VERTICAL, driver_data->scroll.v.dist, 0);
driver_data->has_abs = TRUE;
@@ -1571,24 +1570,24 @@ get_scroll_fraction(struct xf86libinput *driver_data,
struct libinput_event_pointer *event,
enum libinput_pointer_axis axis)
{
double *fraction;
struct scroll_axis *s;
double f;
double angle;
int discrete;
switch (axis) {
case LIBINPUT_POINTER_AXIS_SCROLL_HORIZONTAL:
fraction = &driver_data->scroll.hdist_fraction;
s = &driver_data->scroll.h;
break;
case LIBINPUT_POINTER_AXIS_SCROLL_VERTICAL:
fraction = &driver_data->scroll.vdist_fraction;
s = &driver_data->scroll.v;
break;
default:
return 0.0;
}
if (*fraction != 0.0)
return *fraction;
if (s->fraction != 0.0)
return s->fraction;
/* Calculate the angle per single scroll event */
angle = libinput_event_pointer_get_axis_value(event, axis);
@@ -1597,7 +1596,7 @@ get_scroll_fraction(struct xf86libinput *driver_data,
/* We only do magic for click angles smaller than 10 degrees */
if (angle >= 10) {
*fraction = 1.0;
s->fraction = 1.0;
return 1.0;
}
@@ -1609,7 +1608,7 @@ get_scroll_fraction(struct xf86libinput *driver_data,
*/
f = round(15.0/angle);
*fraction = f;
s->fraction = f;
return f;
}
@@ -1632,7 +1631,7 @@ calculate_axis_value(struct xf86libinput *driver_data,
value = libinput_event_pointer_get_axis_value_discrete(event, axis);
scroll_fraction = get_scroll_fraction(driver_data, event, axis);
value *= driver_data->scroll.vdist/scroll_fraction;
value *= driver_data->scroll.v.dist/scroll_fraction;
} else {
value = libinput_event_pointer_get_axis_value(event, axis);
}
@@ -3401,8 +3400,8 @@ xf86libinput_pre_init(InputDriverPtr drv,
* affect touchpad scroll speed. For wheels it doesn't matter as
* we're using the discrete value only.
*/
driver_data->scroll.vdist = 15;
driver_data->scroll.hdist = 15;
driver_data->scroll.v.dist = 15;
driver_data->scroll.h.dist = 15;
if (!is_subdevice) {
if (libinput_device_has_capability(device, LIBINPUT_DEVICE_CAP_POINTER))