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-rw-r--r--14393-gestures-only.patch123
1 files changed, 123 insertions, 0 deletions
diff --git a/14393-gestures-only.patch b/14393-gestures-only.patch
new file mode 100644
index 000000000000..7b2e35230d25
--- /dev/null
+++ b/14393-gestures-only.patch
@@ -0,0 +1,123 @@
+diff --git a/include/synaptics-properties.h b/include/synaptics-properties.h
+index b717880..22a12cd 100644
+--- a/include/synaptics-properties.h
++++ b/include/synaptics-properties.h
+@@ -152,4 +152,7 @@
+ /* 32 Bit Integer, 2 values, horizontal hysteresis, vertical hysteresis */
+ #define SYNAPTICS_PROP_NOISE_CANCELLATION "Synaptics Noise Cancellation"
+
++/* 8 bit (BOOL) */
++#define SYNAPTICS_PROP_GESTURES_ONLY "Synaptics Gestures Only"
++
+ #endif /* _SYNAPTICS_PROPERTIES_H_ */
+diff --git a/man/synaptics.man b/man/synaptics.man
+index 079a5f8..836bf69 100644
+--- a/man/synaptics.man
++++ b/man/synaptics.man
+@@ -447,6 +447,14 @@ soft button areas. Button areas may not overlap, however it is permitted for two
+ buttons to share an edge value.
+ Property: "Synaptics Soft Button Areas"
+ .
++.TP
++.BI "Option \*qGesturesOnly\*q \*q" boolean \*q
++Disable pointer motion events.
++
++The option is disabled by default. If set, the driver will report gesture and
++button events but no pointer events.
++Property: "Synaptics Gestures Only"
++.
+
+ .SH CONFIGURATION DETAILS
+ .SS Area handling
+@@ -822,6 +830,10 @@ disables the button area.
+ 32 bit, 8 values, RBL, RBR, RBT, RBB, MBL, MBR, MBT, MBB.
+
+ .TP 7
++.BI "Synaptics Gestures Only"
++8 bit (BOOL).
++
++.TP 7
+ .BI "Synaptics Capabilities"
+ This read-only property expresses the physical capability of the touchpad,
+ most notably whether the touchpad hardware supports multi-finger tapping and
+@@ -833,7 +845,6 @@ right button, two-finger detection, three-finger detection, pressure detection,
+ .TP 7
+ .BI "Synaptics Pad Resolution"
+ 32 bit unsigned, 2 values (read-only), vertical, horizontal in units/millimeter.
+-
+ .SH "NOTES"
+ Configuration through
+ .I InputClass
+diff --git a/src/properties.c b/src/properties.c
+index dd88fc7..6e838ff 100644
+--- a/src/properties.c
++++ b/src/properties.c
+@@ -91,6 +91,7 @@ Atom prop_softbutton_areas = 0;
+ Atom prop_noise_cancellation = 0;
+ Atom prop_product_id = 0;
+ Atom prop_device_node = 0;
++Atom prop_gestures_only = 0;
+
+ static Atom
+ InitTypedAtom(DeviceIntPtr dev, char *name, Atom type, int format, int nvalues,
+@@ -341,6 +342,10 @@ InitDeviceProperties(InputInfoPtr pInfo)
+ SYNAPTICS_PROP_NOISE_CANCELLATION, 32, 2,
+ values);
+
++ prop_gestures_only =
++ InitAtom(pInfo->dev, SYNAPTICS_PROP_GESTURES_ONLY, 8, 1,
++ &para->gestures_only);
++
+ /* only init product_id property if we actually know them */
+ if (priv->id_vendor || priv->id_product) {
+ values[0] = priv->id_vendor;
+@@ -705,6 +710,12 @@ SetProperty(DeviceIntPtr dev, Atom property, XIPropertyValuePtr prop,
+ para->hyst_x = hyst[0];
+ para->hyst_y = hyst[1];
+ }
++ else if (property == prop_gestures_only) {
++ if (prop->size != 1 || prop->format != 8 || prop->type != XA_INTEGER)
++ return BadMatch;
++
++ para->gestures_only = *(BOOL *) prop->data;
++ }
+ else if (property == prop_product_id || property == prop_device_node)
+ return BadValue; /* read-only */
+ else { /* unknown property */
+diff --git a/src/synaptics.c b/src/synaptics.c
+index e391a98..8302cbb 100644
+--- a/src/synaptics.c
++++ b/src/synaptics.c
+@@ -646,7 +646,10 @@ set_default_parameters(InputInfoPtr pInfo)
+ pars->tap_move = xf86SetIntOption(opts, "MaxTapMove", tapMove);
+ pars->tap_time_2 = xf86SetIntOption(opts, "MaxDoubleTapTime", 180);
+ pars->click_time = xf86SetIntOption(opts, "ClickTime", 100);
+- pars->clickpad = xf86SetBoolOption(opts, "ClickPad", pars->clickpad); /* Probed */
++ pars->gestures_only = xf86SetBoolOption(opts, "GesturesOnly",
++ pars->gestures_only);
++ pars->clickpad = xf86SetBoolOption(opts, "ClickPad", pars->clickpad);
++ /* Probed */
+ /* middle mouse button emulation on a clickpad? nah, you're joking */
+ middle_button_timeout = pars->clickpad ? 0 : 75;
+ pars->emulate_mid_button_time =
+@@ -2901,7 +2904,7 @@ HandleState(InputInfoPtr pInfo, struct SynapticsHwState *hw, CARD32 now,
+ }
+
+ /* Post events */
+- if (finger >= FS_TOUCHED && (dx || dy))
++ if (finger >= FS_TOUCHED && (dx || dy) && !para->gestures_only)
+ xf86PostMotionEvent(pInfo->dev, 0, 0, 2, dx, dy);
+
+ if (priv->mid_emu_state == MBE_LEFT_CLICK) {
+diff --git a/src/synapticsstr.h b/src/synapticsstr.h
+index a9901a2..6678d34 100644
+--- a/src/synapticsstr.h
++++ b/src/synapticsstr.h
+@@ -196,6 +196,7 @@ typedef struct _SynapticsParameters {
+ int area_left_edge, area_right_edge, area_top_edge, area_bottom_edge; /* area coordinates absolute */
+ int softbutton_areas[2][4]; /* soft button area coordinates, 0 => right, 1 => middle button */
+ int hyst_x, hyst_y; /* x and y width of hysteresis box */
++ Bool gestures_only; /* do not post mouse input events */
+ } SynapticsParameters;
+
+ struct _SynapticsPrivateRec {