Add tapping logic

This patch adds tap-to-click, tap-and-hold for dragging, two-finger
and three-finger taps. Turned on by default for touch screens only;
switch on in gestures.c.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>

1 files changed, 8 insertions, 0 deletions

diff --git a/driver/multitouch.c b/driver/multitouch.c
index 888c4c4..73a025d 100644
--- a/driver/multitouch.c
+++ b/driver/multitouch.c
@@ -245,6 +245,10 @@ static void handle_gestures(LocalDevicePtr local,
                 int step = 1 + rot_fraction * get_cap_xsize(caps);
                 button_scroll(local, 14, 15, &rot, step, gs->rot);
         }
+        if (GETBIT(gs->type, GS_TAP) && gs->ntap == 1) {
+                foreach_bit(i, gs->tapmask)
+                        tickle_button(local, i + 1);
+        }
 }
 
 /* called for each full received packet from the touchpad */
@@ -258,6 +262,10 @@ static void read_input(LocalDevicePtr local)
                         extract_gestures(&gs, mt);
                         handle_gestures(local, &gs, &mt->caps);
                 }
+                if (mt_is_idle(mt, local->fd)) {
+                        extract_delayed_gestures(&gs, mt);
+                        handle_gestures(local, &gs, &mt->caps);
+                }
         }
 }