File xf86-input-synaptics-move-threshold.diff of Package xorg-x11-driver-input

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File xf86-input-synaptics-move-threshold.diff of Package xorg-x11-driver-input (Revision 98cab5f6d7d1b6a22d587f7e14246632)

Currently displaying revision 98cab5f6d7d1b6a22d587f7e14246632 , Show latest

---
 src/synaptics.c    |   10 ++++++++++
 src/synapticsstr.h |    1 +
 2 files changed, 11 insertions(+)

--- a/src/synaptics.c
+++ b/src/synaptics.c
@@ -458,6 +458,8 @@
     edgeMotionMaxSpeed = diag * .080;
     accelFactor = 200.0 / diag; /* trial-and-error */
 
+    priv->move_ptr_threshold = width / 5;
+
     range = priv->maxp - priv->minp;
 
     /* scaling based on defaults and a pressure of 256 */
@@ -1923,6 +1925,14 @@
 	    break;
 	}
     }
+
+    if (moving_state && priv->count_packet_finger > 0 &&
+	priv->move_ptr_threshold > 0 ) {
+	int d = move_distance(HIST(0).x - hw->x, HIST(0).y - hw->y);
+	if (d > priv->move_ptr_threshold)
+	    priv->count_packet_finger = 0; /* to avoid unexpected jumps */
+    }
+
     if (inside_area && moving_state && !priv->palm &&
 	!priv->vert_scroll_edge_on && !priv->horiz_scroll_edge_on &&
 	!priv->vert_scroll_twofinger_on && !priv->horiz_scroll_twofinger_on &&
--- a/src/synapticsstr.h
+++ b/src/synapticsstr.h
@@ -245,6 +245,7 @@
     unsigned int clickpad_threshold;
     int clickpad_dx, clickpad_dy;
     struct SynapticsHwState prev_hw;	/* previous h/w state (for clickpad) */
+    int move_ptr_threshold;
     int prop_change_pending;
     Bool led_touch_state;
     Bool led_tapped;

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File xf86-input-synaptics-move-threshold.diff of Package xorg-x11-driver-input (Revision 98cab5f6d7d1b6a22d587f7e14246632)

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