Add four-finger and five-finger gestures

Add four-finger and five-finger gestures, and move all gesture types
out to a separate file.

Signed-off-by: Henrik Rydberg <rydberg@bitmath.org>

1 files changed, 12 insertions, 2 deletions

diff --git a/src/gestures-pinch.c b/src/gestures-pinch.c
index 6c5392d..0721e02 100644
--- a/src/gestures-pinch.c
+++ b/src/gestures-pinch.c
@@ -26,6 +26,15 @@
 #include <math.h>
 #include <stdio.h>
 
+static const int getype[DIM_TOUCH + 1] = {
+        0,
+        0,
+        GRAIL_TYPE_PINCH,
+        GRAIL_TYPE_SCALE,
+        GRAIL_TYPE_PICK,
+        GRAIL_TYPE_GRAB,
+};
+
 int gru_pinch(struct grail *ge,
               const struct touch_frame *frame)
 {
@@ -40,11 +49,12 @@ int gru_pinch(struct grail *ge,
                 }
                 return 0;
         }
+        if (!move->a.tickle)
+                return 0;
         if (!move->r.tickle)
                 return 0;
         if (!state->active) {
-                int type = move->ntouch == 2 ? GRAIL_TYPE_PINCH :
-                        move->ntouch == 3 ? GRAIL_TYPE_SCALE : 0;
+                int type = getype[move->ntouch];
                 if (!type)
                         return 0;
                 state->gid = gin_gid_begin(ge, type, PRIO_GESTURE, frame);