meta-agl/recipes-graphics/wayland/weston/0001-Adapt-changes-made-in-libinput-src-evdev.c-for-touch.patch

   1 From c4633014fff25d32926129a8b028124c6338bb2b Mon Sep 17 00:00:00 2001
   2 From: Louai Al-Khanji <louai.al-khanji@theqtcompany.com>
   3 Date: Wed, 19 Aug 2015 09:04:46 +0300
   4 Subject: [PATCH 1/1] Adapt changes made in libinput/src/evdev.c for touch
   5  frame emission.
   6
   7 ---
   8  src/evdev.c | 27 +++++++++++++++++++++++++++
   9  1 file changed, 27 insertions(+)
  10
  11 diff --git a/src/evdev.c b/src/evdev.c
  12 index 888dfbd..daa5d72 100644
  13 --- a/src/evdev.c
  14 +++ b/src/evdev.c
  15 @@ -359,12 +359,36 @@ evdev_process_absolute(struct evdev_device *device,
  16         }
  17  }
  18
  19 +static inline int
  20 +evdev_need_touch_frame(struct evdev_device *device)
  21 +{
  22 +       if (!(device->seat_caps & EVDEV_SEAT_TOUCH))
  23 +               return 0;
  24 +
  25 +       switch (device->pending_event) {
  26 +       case EVDEV_NONE:
  27 +       case EVDEV_RELATIVE_MOTION:
  28 +               break;
  29 +       case EVDEV_ABSOLUTE_MT_DOWN:
  30 +       case EVDEV_ABSOLUTE_MT_MOTION:
  31 +       case EVDEV_ABSOLUTE_MT_UP:
  32 +       case EVDEV_ABSOLUTE_TOUCH_DOWN:
  33 +       case EVDEV_ABSOLUTE_TOUCH_UP:
  34 +       case EVDEV_ABSOLUTE_MOTION:
  35 +               return 1;
  36 +       }
  37 +
  38 +       return 0;
  39 +}
  40 +
  41  static void
  42  fallback_process(struct evdev_dispatch *dispatch,
  43                  struct evdev_device *device,
  44                  struct input_event *event,
  45                  uint32_t time)
  46  {
  47 +       int need_frame = 0;
  48 +
  49         switch (event->type) {
  50         case EV_REL:
  51                 evdev_process_relative(device, event, time);
  52 @@ -376,7 +400,10 @@ fallback_process(struct evdev_dispatch *dispatch,
  53                 evdev_process_key(device, event, time);
  54                 break;
  55         case EV_SYN:
  56 +               need_frame = evdev_need_touch_frame(device);
  57                 evdev_flush_pending_event(device, time);
  58 +               if (need_frame)
  59 +                       notify_touch_frame(device->seat);
  60                 break;
  61         }
  62  }
  63 --
  64 2.1.4
  65