Move scanning for a suitable touch to be the pointer to tp_process_state
and take tp_button_touch_active into account.

Note this adds a tp_touch_active helper since we want to do the same checks in
other places too (ie to see if a finger should count for 2 finger scrolling).

Signed-off-by: Hans de Goede <hdego...@redhat.com>
Acked-by: Peter Hutterer <peter.hutte...@who-t.net>
---
 src/evdev-mt-touchpad.c | 47 +++++++++++++++++++++++------------------------
 1 file changed, 23 insertions(+), 24 deletions(-)

diff --git a/src/evdev-mt-touchpad.c b/src/evdev-mt-touchpad.c
index 9df4a78..b671211 100644
--- a/src/evdev-mt-touchpad.c
+++ b/src/evdev-mt-touchpad.c
@@ -152,8 +152,6 @@ tp_get_touch(struct tp_dispatch *tp, unsigned int slot)
 static inline void
 tp_begin_touch(struct tp_dispatch *tp, struct tp_touch *t)
 {
-       struct tp_touch *tmp;
-
        if (t->state != TOUCH_UPDATE) {
                tp_motion_history_reset(t);
                t->dirty = true;
@@ -161,15 +159,6 @@ tp_begin_touch(struct tp_dispatch *tp, struct tp_touch *t)
                tp->nfingers_down++;
                assert(tp->nfingers_down >= 1);
                tp->queued |= TOUCHPAD_EVENT_MOTION;
-
-               tp_for_each_touch(tp, tmp) {
-                       if (tmp->is_pointer)
-                               break;
-               }
-
-               if (!tmp->is_pointer) {
-                       t->is_pointer = true;
-               }
        }
 }
 
@@ -341,7 +330,6 @@ static void
 tp_unpin_finger(struct tp_dispatch *tp, struct tp_touch *t)
 {
        unsigned int xdist, ydist;
-       struct tp_touch *tmp;
 
        if (!t->pinned.is_pinned)
                return;
@@ -349,19 +337,9 @@ tp_unpin_finger(struct tp_dispatch *tp, struct tp_touch *t)
        xdist = abs(t->x - t->pinned.center_x);
        ydist = abs(t->y - t->pinned.center_y);
 
-       if (xdist * xdist + ydist * ydist <
+       if (xdist * xdist + ydist * ydist >=
                        tp->buttons.motion_dist * tp->buttons.motion_dist)
-               return;
-
-       t->pinned.is_pinned = false;
-
-       tp_for_each_touch(tp, tmp) {
-               if (tmp->is_pointer)
-                       break;
-       }
-
-       if (t->state != TOUCH_END && !tmp->is_pointer)
-               t->is_pointer = true;
+               t->pinned.is_pinned = false;
 }
 
 static void
@@ -377,6 +355,13 @@ tp_pin_fingers(struct tp_dispatch *tp)
        }
 }
 
+static int
+tp_touch_active(struct tp_dispatch *tp, struct tp_touch *t)
+{
+       return (t->state == TOUCH_BEGIN || t->state == TOUCH_UPDATE) &&
+               !t->pinned.is_pinned && tp_button_touch_active(tp, t);
+}
+
 static void
 tp_process_state(struct tp_dispatch *tp, uint32_t time)
 {
@@ -409,6 +394,20 @@ tp_process_state(struct tp_dispatch *tp, uint32_t time)
        if ((tp->queued & TOUCHPAD_EVENT_BUTTON_PRESS) &&
            !tp->buttons.has_buttons)
                tp_pin_fingers(tp);
+
+       /* If we don't have a touch as pointer find a suitable one */
+       tp_for_each_touch(tp, t) {
+               if (t->is_pointer)
+                       break;
+       }
+       if (!t->is_pointer) {
+               tp_for_each_touch(tp, t) {
+                       if (tp_touch_active(tp, t)) {
+                               t->is_pointer = true;
+                               break;
+                       }
+               }
+       }
 }
 
 static void
-- 
1.9.0

_______________________________________________
wayland-devel mailing list
wayland-devel@lists.freedesktop.org
http://lists.freedesktop.org/mailman/listinfo/wayland-devel

Reply via email to