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Add synaptics orientation support

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This patch allows usage of "synclient Orientation=0" (values from 0 to
3). It will rotate the touchpad similar to "xrandr -o". Original patch
was extended for alps and ps2.

Signed-off-by: Christoph Brill <egore911@egore911.de>
This commit is contained in:
Aapo Rantalainen
2011-03-09 21:32:36 +01:00
committed by Christoph Brill
parent d6fc5be296
commit 049d5fb603
9 changed files with 95 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
include/synaptics-properties.h
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@@ -158,4 +158,7 @@
/* 32 Bit Integer, 2 values, horizontal hysteresis, vertical hysteresis */
#define SYNAPTICS_PROP_NOISE_CANCELLATION "Synaptics Noise Cancellation"
/* 32 bit, 4 values, normal, inverted, left, right */
#define SYNAPTICS_ORIENTATION "Synaptics Orientation"
#endif /* _SYNAPTICS_PROPERTIES_H_ */

6
man/synaptics.man
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@@ -510,6 +510,12 @@ AreaBottomEdge option to any integer value other than zero. If supported by the
server (version 1.9 and later), the edge may be specified in percent of
the total height of the touchpad. Property: "Synaptics Area"
.
.TP
.BI "Option \*qOrientation\*q \*q" integer \*q
Rotate the touchpad similar to xrandr -o.
.
The orientation can be 0 (normal), 1(left), 2 (inverted) or 3(right).
.
.SH CONFIGURATION DETAILS
.SS Area handling

29
src/alpscomm.c
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@@ -149,11 +149,12 @@ ALPS_get_packet(struct CommData *comm, InputInfoPtr pInfo)
* reflects left,right,down,up in lef1,rig1,mid1,up1.
*/
static void
ALPS_process_packet(unsigned char *packet, struct SynapticsHwState *hw)
ALPS_process_packet(SynapticsPrivate *priv, unsigned char *packet, struct SynapticsHwState *hw)
{
int x = 0, y = 0, z = 0;
int left = 0, right = 0, middle = 0;
int i;
SynapticsParameters *para = &priv->synpara;
x = (packet[1] & 0x7f) | ((packet[2] & 0x78) << (7-3));
y = (packet[4] & 0x7f) | ((packet[3] & 0x70) << (7-4));
@@ -172,8 +173,27 @@ ALPS_process_packet(unsigned char *packet, struct SynapticsHwState *hw)
hw->multi[i] = FALSE;
if (z > 0) {
hw->x = x;
hw->y = y;
if (para->orientation==0)
hw->x = x;
else if (para->orientation==2)
hw->x = priv->maxx + priv->minx - x;
else if (para->orientation==3)
hw->y = (priv->maxx - x) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
else if (para->orientation==1)
hw->y = (x - priv->minx) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
else
hw->x = x;
if (para->orientation==0)
hw->y = y;
else if (para->orientation==2)
hw->y = priv->maxy + priv->miny - y;
else if (para->orientation==3)
hw->x = (y - priv->miny) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
else if (para->orientation==1)
hw->x = (priv->maxy - y) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
else
hw->y = y;
}
hw->z = z;
hw->numFingers = (z > 0) ? 1 : 0;
@@ -210,11 +230,12 @@ ALPSReadHwState(InputInfoPtr pInfo,
{
unsigned char *buf = comm->protoBuf;
struct SynapticsHwState *hw = &(comm->hwState);
SynapticsPrivate *priv = (SynapticsPrivate *)pInfo->private;
if (!ALPS_get_packet(comm, pInfo))
return FALSE;
ALPS_process_packet(buf, hw);
ALPS_process_packet(priv, buf, hw);
*hwRet = *hw;
return TRUE;

22
src/eventcomm.c
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@@ -400,10 +400,28 @@ EventReadHwState(InputInfoPtr pInfo,
case EV_ABS:
switch (ev.code) {
case ABS_X:
hw->x = ev.value;
if (para->orientation==0)
hw->x = ev.value;
else if (para->orientation==2)
hw->x = priv->maxx + priv->minx - ev.value;
else if (para->orientation==3)
hw->y = (priv->maxx - ev.value) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
else if (para->orientation==1)
hw->y = (ev.value - priv->minx) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
else
hw->x = ev.value;
break;
case ABS_Y:
hw->y = ev.value;
if (para->orientation==0)
hw->y = ev.value;
else if (para->orientation==2)
hw->y = priv->maxy + priv->miny - ev.value;
else if (para->orientation==3)
hw->x = (ev.value - priv->miny) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
else if (para->orientation==1)
hw->x = (priv->maxy - ev.value) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
else
hw->y = ev.value;
break;
case ABS_PRESSURE:
hw->z = ev.value;

8
src/properties.c
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@@ -83,6 +83,7 @@ Atom prop_capabilities = 0;
Atom prop_resolution = 0;
Atom prop_area = 0;
Atom prop_noise_cancellation = 0;
Atom prop_orientation = 0;
static Atom
InitAtom(DeviceIntPtr dev, char *name, int format, int nvalues, int *values)
@@ -285,6 +286,8 @@ InitDeviceProperties(InputInfoPtr pInfo)
prop_noise_cancellation = InitAtom(pInfo->dev,
SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 2, values);
prop_orientation = InitAtom(pInfo->dev, SYNAPTICS_ORIENTATION, 32, 1, &para->orientation);
}
int
@@ -666,6 +669,11 @@ SetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,
return BadValue;
para->hyst_x = hyst[0];
para->hyst_y = hyst[1];
} else if (property == prop_orientation)
{
if (prop->size != 1 || prop->format != 32 || prop->type != XA_INTEGER)
return BadMatch;
para->orientation = *(INT32*)prop->data;
}
return Success;

36
src/ps2comm.c
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@@ -524,7 +524,7 @@ PS2ReadHwStateProto(InputInfoPtr pInfo,
SynapticsParameters *para = &priv->synpara;
struct PS2SynapticsHwInfo *synhw;
int newabs;
int w, i;
int w, i, x, y;
synhw = (struct PS2SynapticsHwInfo*)priv->proto_data;
if (!synhw)
@@ -541,17 +541,17 @@ PS2ReadHwStateProto(InputInfoPtr pInfo,
return FALSE;
/* Handle normal packets */
hw->x = hw->y = hw->z = hw->numFingers = hw->fingerWidth = 0;
hw->x = hw->y = hw->z = hw->numFingers = hw->fingerWidth = x = y = 0;
hw->left = hw->right = hw->up = hw->down = hw->middle = FALSE;
for (i = 0; i < 8; i++)
hw->multi[i] = FALSE;
if (newabs) { /* newer protos...*/
DBG(7, "using new protocols\n");
hw->x = (((buf[3] & 0x10) << 8) |
x = (((buf[3] & 0x10) << 8) |
((buf[1] & 0x0f) << 8) |
buf[4]);
hw->y = (((buf[3] & 0x20) << 7) |
y = (((buf[3] & 0x20) << 7) |
((buf[1] & 0xf0) << 4) |
buf[5]);
@@ -598,9 +598,9 @@ PS2ReadHwStateProto(InputInfoPtr pInfo,
}
} else { /* old proto...*/
DBG(7, "using old protocol\n");
hw->x = (((buf[1] & 0x1F) << 8) |
x = (((buf[1] & 0x1F) << 8) |
buf[2]);
hw->y = (((buf[4] & 0x1F) << 8) |
y = (((buf[4] & 0x1F) << 8) |
buf[5]);
hw->z = (((buf[0] & 0x30) << 2) |
@@ -612,7 +612,29 @@ PS2ReadHwStateProto(InputInfoPtr pInfo,
hw->right = (buf[0] & 0x02) ? 1 : 0;
}
hw->y = YMAX_NOMINAL + YMIN_NOMINAL - hw->y;
y = YMAX_NOMINAL + YMIN_NOMINAL - y;
if (para->orientation==0)
hw->x = x;
else if (para->orientation==2)
hw->x = priv->maxx + priv->minx - x;
else if (para->orientation==3)
hw->y = (priv->maxx - x) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
else if (para->orientation==1)
hw->y = (x - priv->minx) * (priv->maxy - priv->miny) / (priv->maxx - priv->minx) + priv->miny;
else
hw->x = x;
if (para->orientation==0)
hw->y = y;
else if (para->orientation==2)
hw->y = priv->maxy + priv->miny - y;
else if (para->orientation==3)
hw->x = (y - priv->miny) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
else if (para->orientation==1)
hw->x = (priv->maxy - y) * (priv->maxx - priv->minx) / (priv->maxy - priv->miny) + priv->minx;
else
hw->y = y;
if (hw->z >= para->finger_high) {
int w_ok = 0;

2
src/synaptics.c
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@@ -574,6 +574,8 @@ static void set_default_parameters(InputInfoPtr pInfo)
pars->resolution_horiz = xf86SetIntOption(opts, "HorizResolution", horizResolution);
pars->resolution_vert = xf86SetIntOption(opts, "VertResolution", vertResolution);
pars->orientation = xf86SetIntOption(opts, "Orientation", 0);
/* Warn about (and fix) incorrectly configured TopEdge/BottomEdge parameters */
if (pars->top_edge > pars->bottom_edge) {
int tmp = pars->top_edge;

1
src/synapticsstr.h
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@@ -161,6 +161,7 @@ typedef struct _SynapticsParameters
unsigned int resolution_vert; /* vertical resolution of touchpad in units/mm */
int area_left_edge, area_right_edge, area_top_edge, area_bottom_edge; /* area coordinates absolute */
int hyst_x, hyst_y; /* x and y width of hysteresis box */
int orientation; /* orientation of the touchpad */
} SynapticsParameters;

1
tools/synclient.c
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@@ -143,6 +143,7 @@ static struct Parameter params[] = {
{"AreaRightEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 1},
{"AreaTopEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 2},
{"AreaBottomEdge", PT_INT, 0, 10000, SYNAPTICS_PROP_AREA, 32, 3},
{"Orientation", PT_INT, 0, 3, SYNAPTICS_ORIENTATION, 32, 0},
{ NULL, 0, 0, 0, 0 }
};