XLibre/xf86-input-evdev
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Split rel and abs axis mapping into two separate arrays

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This will enable a device to have relative scrolling axes in addition to
absolute axes (required by the QEMU tablet).

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
This commit is contained in:
Peter Hutterer
2013-01-16 08:38:52 +10:00
parent ffc0a34642
commit 2f67509b53
3 changed files with 29 additions and 42 deletions
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2
src/emuWheel.c
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@@ -117,7 +117,7 @@ EvdevWheelEmuFilterMotion(InputInfoPtr pInfo, struct input_event *pEv)
/* We don't want to intercept real mouse wheel events */
if(pEv->type == EV_ABS) {
int axis = pEvdev->axis_map[pEv->code];
int axis = pEvdev->abs_axis_map[pEv->code];
oldValue = valuator_mask_get(pEvdev->vals, axis);
valuator_mask_set(pEvdev->vals, axis, value);
value -= oldValue; /* make value into a differential measurement */

66
src/evdev.c
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@@ -123,7 +123,7 @@ static int EvdevOpenDevice(InputInfoPtr pInfo);
static void EvdevCloseDevice(InputInfoPtr pInfo);
static void EvdevInitAxesLabels(EvdevPtr pEvdev, int mode, int natoms, Atom *atoms);
static void EvdevInitOneAxisLabel(EvdevPtr pEvdev, int axis,
static void EvdevInitOneAxisLabel(EvdevPtr pEvdev, int mapped_axis,
const char **labels, int label_idx, Atom *atoms);
static void EvdevInitButtonLabels(EvdevPtr pEvdev, int natoms, Atom *atoms);
static void EvdevInitProperty(DeviceIntPtr dev);
@@ -479,7 +479,7 @@ EvdevProcessValuators(InputInfoPtr pInfo)
for (i = 0; i < REL_CNT; i++)
{
int map = pEvdev->axis_map[i];
int map = pEvdev->rel_axis_map[i];
if (pEvdev->delta[i] && map != -1)
valuator_mask_set(pEvdev->vals, map, pEvdev->delta[i]);
}
@@ -701,7 +701,7 @@ EvdevProcessRelativeMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
pEvdev->rel_queued = 1;
pEvdev->delta[ev->code] += value;
map = pEvdev->axis_map[ev->code];
map = pEvdev->rel_axis_map[ev->code];
valuator_mask_set(pEvdev->vals, map, value);
break;
}
@@ -787,7 +787,7 @@ EvdevProcessTouchEvent(InputInfoPtr pInfo, struct input_event *ev)
} else
pEvdev->slot_state = SLOTSTATE_CLOSE;
} else {
map = pEvdev->axis_map[ev->code];
map = pEvdev->abs_axis_map[ev->code];
valuator_mask_set(pEvdev->mt_mask, map, ev->value);
if (slot_index >= 0)
valuator_mask_set(pEvdev->last_mt_vals[slot_index], map,
@@ -827,7 +827,7 @@ EvdevProcessAbsoluteMotionEvent(InputInfoPtr pInfo, struct input_event *ev)
EvdevProcessTouchEvent(pInfo, ev);
pEvdev->abs_queued = 1;
} else if (!pEvdev->mt_mask) {
map = pEvdev->axis_map[ev->code];
map = pEvdev->abs_axis_map[ev->code];
valuator_mask_set(pEvdev->vals, map, value);
pEvdev->abs_queued = 1;
}
@@ -1330,7 +1330,7 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device)
int j;
#endif
int mapping;
pEvdev->axis_map[axis] = -1;
pEvdev->abs_axis_map[axis] = -1;
if (!EvdevBitIsSet(pEvdev->abs_bitmask, axis) ||
is_blacklisted_axis(axis))
continue;
@@ -1347,7 +1347,7 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device)
mapping = mt_axis_mappings[j].mapping;
}
#endif
pEvdev->axis_map[axis] = mapping;
pEvdev->abs_axis_map[axis] = mapping;
if (mapping == i)
i++;
}
@@ -1380,11 +1380,11 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device)
for (i = 0; i < num_slots(pEvdev); i++) {
for (axis = ABS_MT_TOUCH_MAJOR; axis < ABS_MAX; axis++) {
if (pEvdev->axis_map[axis] >= 0) {
if (pEvdev->abs_axis_map[axis] >= 0) {
/* XXX: read initial values from mtdev when it adds support
* for doing so. */
valuator_mask_set(pEvdev->last_mt_vals[i],
pEvdev->axis_map[axis], 0);
pEvdev->abs_axis_map[axis], 0);
}
}
}
@@ -1392,7 +1392,7 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device)
#endif
for (axis = ABS_X; axis < ABS_MT_SLOT; axis++) {
int axnum = pEvdev->axis_map[axis];
int axnum = pEvdev->abs_axis_map[axis];
int resolution = 0;
if (axnum == -1)
@@ -1414,7 +1414,7 @@ EvdevAddAbsValuatorClass(DeviceIntPtr device)
#ifdef MULTITOUCH
for (axis = ABS_MT_TOUCH_MAJOR; axis <= ABS_MAX; axis++) {
int axnum = pEvdev->axis_map[axis];
int axnum = pEvdev->abs_axis_map[axis];
int resolution = 0;
int j;
BOOL skip = FALSE;
@@ -1544,7 +1544,7 @@ EvdevAddRelValuatorClass(DeviceIntPtr device)
for (axis = REL_X; i < MAX_VALUATORS && axis <= REL_MAX; axis++)
{
pEvdev->axis_map[axis] = -1;
pEvdev->rel_axis_map[axis] = -1;
#ifndef HAVE_SMOOTH_SCROLLING
/* We don't post wheel events, so ignore them here too */
if (axis == REL_WHEEL || axis == REL_HWHEEL || axis == REL_DIAL)
@@ -1552,7 +1552,7 @@ EvdevAddRelValuatorClass(DeviceIntPtr device)
#endif
if (!EvdevBitIsSet(pEvdev->rel_bitmask, axis))
continue;
pEvdev->axis_map[axis] = i;
pEvdev->rel_axis_map[axis] = i;
i++;
}
@@ -1572,7 +1572,7 @@ EvdevAddRelValuatorClass(DeviceIntPtr device)
for (axis = REL_X; axis <= REL_MAX; axis++)
{
int axnum = pEvdev->axis_map[axis];
int axnum = pEvdev->rel_axis_map[axis];
if (axnum == -1)
continue;
@@ -1739,17 +1739,12 @@ EvdevInitTouchDevice(DeviceIntPtr device, EvdevPtr pEvdev)
static int
EvdevInit(DeviceIntPtr device)
{
int i;
InputInfoPtr pInfo;
EvdevPtr pEvdev;
pInfo = device->public.devicePrivate;
pEvdev = pInfo->private;
/* clear all axis_map entries */
for(i = 0; i < max(ABS_CNT,REL_CNT); i++)
pEvdev->axis_map[i]=-1;
if (pEvdev->flags & EVDEV_KEYBOARD_EVENTS)
EvdevAddKeyClass(device);
if (pEvdev->flags & EVDEV_BUTTON_EVENTS)
@@ -2480,8 +2475,10 @@ EvdevAlloc(void)
pEvdev->cur_slot = -1;
#endif
for (i = 0; i < ArrayLength(pEvdev->axis_map); i++)
pEvdev->axis_map[i] = -1;
for (i = 0; i < ArrayLength(pEvdev->rel_axis_map); i++)
pEvdev->rel_axis_map[i] = -1;
for (i = 0; i < ArrayLength(pEvdev->abs_axis_map); i++)
pEvdev->abs_axis_map[i] = -1;
return pEvdev;
}
@@ -2626,43 +2623,32 @@ EvdevUtilButtonEventToButtonNumber(EvdevPtr pEvdev, int code)
}
}
static void EvdevInitOneAxisLabel(EvdevPtr pEvdev, int axis,
static void EvdevInitOneAxisLabel(EvdevPtr pEvdev, int mapped_axis,
const char **labels, int label_idx, Atom *atoms)
{
Atom atom;
if (pEvdev->axis_map[axis] == -1)
if (mapped_axis == -1)
return;
atom = XIGetKnownProperty(labels[label_idx]);
if (!atom) /* Should not happen */
return;
atoms[pEvdev->axis_map[axis]] = atom;
atoms[mapped_axis] = atom;
}
static void EvdevInitAxesLabels(EvdevPtr pEvdev, int mode, int natoms, Atom *atoms)
{
int axis;
const char **labels;
int labels_len = 0;
if (mode == Absolute)
{
labels = abs_labels;
labels_len = ArrayLength(abs_labels);
} else if (mode == Relative)
{
labels = rel_labels;
labels_len = ArrayLength(rel_labels);
} else
return;
memset(atoms, 0, natoms * sizeof(Atom));
/* Now fill the ones we know */
for (axis = 0; axis < labels_len; axis++)
EvdevInitOneAxisLabel(pEvdev, axis, labels, axis, atoms);
for (axis = 0; axis < ArrayLength(rel_labels); axis++)
EvdevInitOneAxisLabel(pEvdev, pEvdev->rel_axis_map[axis], rel_labels, axis, atoms);
for (axis = 0; axis < ArrayLength(abs_labels); axis++)
EvdevInitOneAxisLabel(pEvdev, pEvdev->abs_axis_map[axis], abs_labels, axis, atoms);
}
static void EvdevInitButtonLabels(EvdevPtr pEvdev, int natoms, Atom *atoms)

3
src/evdev.h
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@@ -158,7 +158,8 @@ typedef struct {
int num_vals; /* number of valuators */
int num_mt_vals; /* number of multitouch valuators */
int axis_map[max(ABS_CNT, REL_CNT)]; /* Map evdev <axis> to index */
int abs_axis_map[ABS_CNT]; /* Map evdev ABS_* to index */
int rel_axis_map[REL_CNT]; /* Map evdev REL_* to index */
ValuatorMask *vals; /* new values coming in */
ValuatorMask *old_vals; /* old values for calculating relative motion */
ValuatorMask *prox; /* last values set while not in proximity */