Signed-off-by: Jonas Ådahl <jad...@gmail.com>
---
 src/evdev-touchpad.c |   41 +++++++++++++++++++++++++++++------------
 1 file changed, 29 insertions(+), 12 deletions(-)

diff --git a/src/evdev-touchpad.c b/src/evdev-touchpad.c
index 3ba8f80..7063a0d 100644
--- a/src/evdev-touchpad.c
+++ b/src/evdev-touchpad.c
@@ -477,9 +477,23 @@ touchpad_update_state(struct touchpad_dispatch *touchpad, 
uint32_t time)
 
                filter_motion(touchpad, &dx, &dy, time);
 
-               touchpad->device->rel.dx = wl_fixed_from_double(dx);
-               touchpad->device->rel.dy = wl_fixed_from_double(dy);
-               touchpad->device->pending_events |= EVDEV_RELATIVE_MOTION;
+               if (touchpad->finger_state == TOUCHPAD_FINGERS_ONE) {
+                       touchpad->device->rel.dx = wl_fixed_from_double(dx);
+                       touchpad->device->rel.dy = wl_fixed_from_double(dy);
+                       touchpad->device->pending_events |=
+                               EVDEV_RELATIVE_MOTION;
+               } else if (touchpad->finger_state == TOUCHPAD_FINGERS_TWO) {
+                       if (dx != 0.0)
+                               notify_axis(touchpad->device->seat,
+                                           time,
+                                           WL_POINTER_AXIS_HORIZONTAL_SCROLL,
+                                           wl_fixed_from_double(dx));
+                       if (dy != 0.0)
+                               notify_axis(touchpad->device->seat,
+                                           time,
+                                           WL_POINTER_AXIS_VERTICAL_SCROLL,
+                                           wl_fixed_from_double(dy));
+               }
        }
 
        if (!(touchpad->state & TOUCHPAD_STATE_MOVE) &&
@@ -579,19 +593,22 @@ process_key(struct touchpad_dispatch *touchpad,
                touchpad->reset = 1;
                break;
        case BTN_TOOL_FINGER:
-               touchpad->finger_state =
-                       ~TOUCHPAD_FINGERS_ONE | e->value ?
-                       TOUCHPAD_FINGERS_ONE : 0;
+               if (e->value)
+                       touchpad->finger_state |= TOUCHPAD_FINGERS_ONE;
+               else
+                       touchpad->finger_state &= ~TOUCHPAD_FINGERS_ONE;
                break;
        case BTN_TOOL_DOUBLETAP:
-               touchpad->finger_state =
-                       ~TOUCHPAD_FINGERS_TWO | e->value ?
-                       TOUCHPAD_FINGERS_TWO : 0;
+               if (e->value)
+                       touchpad->finger_state |= TOUCHPAD_FINGERS_TWO;
+               else
+                       touchpad->finger_state &= ~TOUCHPAD_FINGERS_TWO;
                break;
        case BTN_TOOL_TRIPLETAP:
-               touchpad->finger_state =
-                       ~TOUCHPAD_FINGERS_THREE | e->value ?
-                       TOUCHPAD_FINGERS_THREE : 0;
+               if (e->value)
+                       touchpad->finger_state |= TOUCHPAD_FINGERS_THREE;
+               else
+                       touchpad->finger_state &= ~TOUCHPAD_FINGERS_THREE;
                break;
        }
 }
-- 
1.7.9.5

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