[mutter] seat: Rewrite event handling in terms of MetaWaylandPointer

[Jasper St. Pierre <jstpierre src gnome org>]

commit bdf55bc674a51f13e3c104783d0b63d3306c4944
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Thu Apr 17 18:12:23 2014 -0400

    seat: Rewrite event handling in terms of MetaWaylandPointer

 src/wayland/meta-wayland-pointer.c |    6 +++++-
 src/wayland/meta-wayland-pointer.h |    5 ++++-
 src/wayland/meta-wayland-seat.c    |   35 +++++++++++++++--------------------
 3 files changed, 24 insertions(+), 22 deletions(-)
---
diff --git a/src/wayland/meta-wayland-pointer.c b/src/wayland/meta-wayland-pointer.c
index f3ec987..b3756aa 100644
--- a/src/wayland/meta-wayland-pointer.c
+++ b/src/wayland/meta-wayland-pointer.c
@@ -283,13 +283,17 @@ pointer_constrain_callback (ClutterInputDevice *device,
 }
 
 void
-meta_wayland_pointer_init (MetaWaylandPointer *pointer)
+meta_wayland_pointer_init (MetaWaylandPointer *pointer,
+                           struct wl_display  *display)
 {
   ClutterDeviceManager *manager;
   ClutterInputDevice *device;
   ClutterPoint current;
 
   memset (pointer, 0, sizeof *pointer);
+
+  pointer->display = display;
+
   wl_list_init (&pointer->resource_list);
   wl_list_init (&pointer->focus_resource_list);
 
diff --git a/src/wayland/meta-wayland-pointer.h b/src/wayland/meta-wayland-pointer.h
index 4c9d927..e45e357 100644
--- a/src/wayland/meta-wayland-pointer.h
+++ b/src/wayland/meta-wayland-pointer.h
@@ -46,6 +46,8 @@ struct _MetaWaylandPointerGrab
 
 struct _MetaWaylandPointer
 {
+  struct wl_display *display;
+
   struct wl_list resource_list;
   struct wl_list focus_resource_list;
 
@@ -74,7 +76,8 @@ struct _MetaWaylandPointer
 };
 
 void
-meta_wayland_pointer_init (MetaWaylandPointer *pointer);
+meta_wayland_pointer_init (MetaWaylandPointer *pointer,
+                           struct wl_display  *display);
 
 void
 meta_wayland_pointer_release (MetaWaylandPointer *pointer);
diff --git a/src/wayland/meta-wayland-seat.c b/src/wayland/meta-wayland-seat.c
index e77f60b..4e3ef8e 100644
--- a/src/wayland/meta-wayland-seat.c
+++ b/src/wayland/meta-wayland-seat.c
@@ -141,7 +141,7 @@ meta_wayland_seat_new (struct wl_display *display)
   wl_list_init (&seat->base_resource_list);
   wl_list_init (&seat->data_device_resource_list);
 
-  meta_wayland_pointer_init (&seat->pointer);
+  meta_wayland_pointer_init (&seat->pointer, display);
   meta_wayland_keyboard_init (&seat->keyboard, display);
 
   seat->display = display;
@@ -184,11 +184,10 @@ meta_wayland_seat_update (MetaWaylandSeat    *seat,
 }
 
 static void
-repick_for_event (MetaWaylandSeat    *seat,
+repick_for_event (MetaWaylandPointer *pointer,
                   const ClutterEvent *for_event)
 {
   ClutterActor       *actor   = NULL;
-  MetaWaylandPointer *pointer = &seat->pointer;
   MetaWaylandSurface *surface = NULL;
   MetaDisplay        *display = meta_get_display ();
 
@@ -222,31 +221,28 @@ repick_for_event (MetaWaylandSeat    *seat,
 }
 
 static void
-notify_motion (MetaWaylandSeat    *seat,
+notify_motion (MetaWaylandPointer *pointer,
                const ClutterEvent *event)
 {
-  MetaWaylandPointer *pointer = &seat->pointer;
-
-  repick_for_event (seat, event);
+  repick_for_event (pointer, event);
 
   pointer->grab->interface->motion (pointer->grab, event);
 }
 
 static void
-handle_motion_event (MetaWaylandSeat    *seat,
+handle_motion_event (MetaWaylandPointer *pointer,
                      const ClutterEvent *event)
 {
-  notify_motion (seat, event);
+  notify_motion (pointer, event);
 }
 
 static void
-handle_button_event (MetaWaylandSeat    *seat,
+handle_button_event (MetaWaylandPointer *pointer,
                      const ClutterEvent *event)
 {
-  MetaWaylandPointer *pointer = &seat->pointer;
   gboolean implicit_grab;
 
-  notify_motion (seat, event);
+  notify_motion (pointer, event);
 
   implicit_grab = (event->type == CLUTTER_BUTTON_PRESS) && (pointer->button_count == 1);
   if (implicit_grab)
@@ -260,19 +256,18 @@ handle_button_event (MetaWaylandSeat    *seat,
   pointer->grab->interface->button (pointer->grab, event);
 
   if (implicit_grab)
-    pointer->grab_serial = wl_display_get_serial (seat->display);
+    pointer->grab_serial = wl_display_get_serial (pointer->display);
 }
 
 static void
-handle_scroll_event (MetaWaylandSeat    *seat,
+handle_scroll_event (MetaWaylandPointer *pointer,
                      const ClutterEvent *event)
 {
-  MetaWaylandPointer *pointer = &seat->pointer;
   struct wl_resource *resource;
   struct wl_list *l;
   wl_fixed_t x_value = 0, y_value = 0;
 
-  notify_motion (seat, event);
+  notify_motion (pointer, event);
 
   if (clutter_event_is_pointer_emulated (event))
     return;
@@ -327,16 +322,16 @@ meta_wayland_seat_handle_event (MetaWaylandSeat *seat,
   switch (event->type)
     {
     case CLUTTER_MOTION:
-      handle_motion_event (seat, event);
+      handle_motion_event (&seat->pointer, event);
       break;
 
     case CLUTTER_BUTTON_PRESS:
     case CLUTTER_BUTTON_RELEASE:
-      handle_button_event (seat, event);
+      handle_button_event (&seat->pointer, event);
       break;
 
     case CLUTTER_SCROLL:
-      handle_scroll_event (seat, event);
+      handle_scroll_event (&seat->pointer, event);
       break;
 
     case CLUTTER_KEY_PRESS:
@@ -354,7 +349,7 @@ meta_wayland_seat_handle_event (MetaWaylandSeat *seat,
 void
 meta_wayland_seat_repick (MetaWaylandSeat *seat)
 {
-  repick_for_event (seat, NULL);
+  repick_for_event (&seat->pointer, NULL);
 }
 
 void