[mutter/wip/dnd-surface2: 17/18] wayland: Add emit_crossing argument to meta_wayland_pointer_set_focus()

[Carlos Garnacho <carlosg src gnome org>]

commit 4024e6d207cbda3b2ab24d40b9a822d1905b71c1
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Sep 30 17:14:07 2014 +0200

    wayland: Add emit_crossing argument to meta_wayland_pointer_set_focus()
    
    This is TRUE in every place it was previously called.

 src/wayland/meta-wayland-data-device.c |    2 +-
 src/wayland/meta-wayland-pointer.c     |   24 ++++++++++++++----------
 src/wayland/meta-wayland-pointer.h     |    3 ++-
 3 files changed, 17 insertions(+), 12 deletions(-)
---
diff --git a/src/wayland/meta-wayland-data-device.c b/src/wayland/meta-wayland-data-device.c
index 877eace..76fcb13 100644
--- a/src/wayland/meta-wayland-data-device.c
+++ b/src/wayland/meta-wayland-data-device.c
@@ -483,7 +483,7 @@ data_device_start_drag (struct wl_client *client,
                                         &drag_grab->drag_icon_listener);
     }
 
-  meta_wayland_pointer_set_focus (&seat->pointer, NULL);
+  meta_wayland_pointer_set_focus (&seat->pointer, NULL, TRUE);
   meta_wayland_pointer_start_grab (&seat->pointer, (MetaWaylandPointerGrab*)drag_grab);
   drag_grab_update_dnd_surface_position (drag_grab);
   drag_grab_update_dnd_surface (drag_grab);
diff --git a/src/wayland/meta-wayland-pointer.c b/src/wayland/meta-wayland-pointer.c
index 3fc05ec..93a1e6c 100644
--- a/src/wayland/meta-wayland-pointer.c
+++ b/src/wayland/meta-wayland-pointer.c
@@ -95,7 +95,7 @@ pointer_handle_focus_surface_destroy (struct wl_listener *listener, void *data)
 {
   MetaWaylandPointer *pointer = wl_container_of (listener, pointer, focus_surface_listener);
 
-  meta_wayland_pointer_set_focus (pointer, NULL);
+  meta_wayland_pointer_set_focus (pointer, NULL, TRUE);
 }
 
 static void
@@ -107,7 +107,7 @@ default_grab_focus (MetaWaylandPointerGrab *grab,
   if (pointer->button_count > 0)
     return;
 
-  meta_wayland_pointer_set_focus (pointer, surface);
+  meta_wayland_pointer_set_focus (pointer, surface, TRUE);
 }
 
 static void
@@ -178,7 +178,7 @@ default_grab_button (MetaWaylandPointerGrab *grab,
     }
 
   if (pointer->button_count == 0 && event_type == CLUTTER_BUTTON_RELEASE)
-    meta_wayland_pointer_set_focus (pointer, pointer->current);
+    meta_wayland_pointer_set_focus (pointer, pointer->current, TRUE);
 }
 
 static const MetaWaylandPointerGrabInterface default_pointer_grab_interface = {
@@ -218,7 +218,7 @@ meta_wayland_pointer_init (MetaWaylandPointer *pointer,
 void
 meta_wayland_pointer_release (MetaWaylandPointer *pointer)
 {
-  meta_wayland_pointer_set_focus (pointer, NULL);
+  meta_wayland_pointer_set_focus (pointer, NULL, TRUE);
   set_cursor_surface (pointer, NULL);
 
   pointer->display = NULL;
@@ -480,7 +480,8 @@ broadcast_focus (MetaWaylandPointer *pointer,
 
 void
 meta_wayland_pointer_set_focus (MetaWaylandPointer *pointer,
-                                MetaWaylandSurface *surface)
+                                MetaWaylandSurface *surface,
+                                gboolean            emit_crossing)
 {
   if (pointer->display == NULL)
     return;
@@ -500,9 +501,12 @@ meta_wayland_pointer_set_focus (MetaWaylandPointer *pointer,
           struct wl_display *display = wl_client_get_display (client);
           uint32_t serial = wl_display_next_serial (display);
 
-          wl_resource_for_each (resource, l)
+          if (emit_crossing)
             {
-              wl_pointer_send_leave (resource, serial, pointer->focus_surface->resource);
+              wl_resource_for_each (resource, l)
+                {
+                  wl_pointer_send_leave (resource, serial, pointer->focus_surface->resource);
+                }
             }
 
           move_resources (&pointer->resource_list, &pointer->focus_resource_list);
@@ -533,7 +537,7 @@ meta_wayland_pointer_set_focus (MetaWaylandPointer *pointer,
                                  wl_resource_get_client (pointer->focus_surface->resource));
 
       l = &pointer->focus_resource_list;
-      if (!wl_list_empty (l))
+      if (emit_crossing && !wl_list_empty (l))
         {
           struct wl_client *client = wl_resource_get_client (pointer->focus_surface->resource);
           struct wl_display *display = wl_client_get_display (client);
@@ -595,9 +599,9 @@ popup_grab_focus (MetaWaylandPointerGrab *grab,
   /* Popup grabs are in owner-events mode (ie, events for the same client
      are reported as normal) */
   if (surface && wl_resource_get_client (surface->resource) == popup_grab->grab_client)
-    meta_wayland_pointer_set_focus (grab->pointer, surface);
+    meta_wayland_pointer_set_focus (grab->pointer, surface, TRUE);
   else
-    meta_wayland_pointer_set_focus (grab->pointer, NULL);
+    meta_wayland_pointer_set_focus (grab->pointer, NULL, TRUE);
 }
 
 static void
diff --git a/src/wayland/meta-wayland-pointer.h b/src/wayland/meta-wayland-pointer.h
index 6bd01a8..914c204 100644
--- a/src/wayland/meta-wayland-pointer.h
+++ b/src/wayland/meta-wayland-pointer.h
@@ -86,7 +86,8 @@ gboolean meta_wayland_pointer_handle_event (MetaWaylandPointer *pointer,
                                             const ClutterEvent *event);
 
 void meta_wayland_pointer_set_focus (MetaWaylandPointer *pointer,
-                                     MetaWaylandSurface *surface);
+                                     MetaWaylandSurface *surface,
+                                     gboolean            emit_crossing);
 
 void meta_wayland_pointer_start_grab (MetaWaylandPointer *pointer,
                                       MetaWaylandPointerGrab *grab);