On Wed, Feb 03, 2016 at 03:28:06PM +1000, Peter Hutterer wrote:
> From: Stephen Chandler Paul <[email protected]>
> 
> Closely modelled after the pointer focus handling
> 
> Co-authored-by: Peter Hutterer <[email protected]>
> Signed-off-by: Stephen Chandler Paul <[email protected]>
> Signed-off-by: Peter Hutterer <[email protected]>
> ---
>  src/compositor.h | 10 ++++++
>  src/input.c      | 92 
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 102 insertions(+)
> 
> diff --git a/src/compositor.h b/src/compositor.h
> index 3c67ffe..c1f3cc4 100644
> --- a/src/compositor.h
> +++ b/src/compositor.h
> @@ -408,8 +408,14 @@ struct weston_touch {
>  struct weston_tablet_tool {
>       struct weston_seat *seat;
>       enum zwp_tablet_tool_v1_type type;
> +     struct weston_tablet *current_tablet;
>  
>       struct wl_list resource_list;
> +     struct wl_list focus_resource_list;
> +     struct weston_view *focus;
> +     struct wl_listener focus_view_listener;
> +     struct wl_listener focus_resource_listener;
> +     uint32_t focus_serial;
>  
>       struct wl_list link;
>  
> @@ -515,6 +521,10 @@ struct weston_tablet_tool *
>  weston_tablet_tool_create(void);
>  void
>  weston_tablet_tool_destroy(struct weston_tablet_tool *tool);
> +void
> +weston_tablet_tool_set_focus(struct weston_tablet_tool *tool,
> +                          struct weston_view *view,
> +                          uint32_t time);
>  
>  void
>  wl_data_device_set_keyboard_focus(struct weston_seat *seat);
> diff --git a/src/input.c b/src/input.c
> index 0b43fd8..f835cf4 100644
> --- a/src/input.c
> +++ b/src/input.c
> @@ -215,6 +215,26 @@ touch_focus_resource_destroyed(struct wl_listener 
> *listener, void *data)
>  }
>  
>  static void
> +tablet_tool_focus_view_destroyed(struct wl_listener *listener, void *data)
> +{
> +     struct weston_tablet_tool *tool =
> +             container_of(listener, struct weston_tablet_tool,
> +                          focus_view_listener);
> +
> +     weston_tablet_tool_set_focus(tool, NULL, 0);
> +}
> +
> +static void
> +tablet_tool_focus_resource_destroyed(struct wl_listener *listener, void 
> *data)
> +{
> +     struct weston_tablet_tool *tool =
> +             container_of(listener, struct weston_tablet_tool,
> +                          focus_resource_listener);
> +
> +     weston_tablet_tool_set_focus(tool, NULL, 0);
> +}
> +
> +static void
>  move_resources(struct wl_list *destination, struct wl_list *source)
>  {
>       wl_list_insert_list(destination, source);
> @@ -607,6 +627,16 @@ find_resource_for_surface(struct wl_list *list, struct 
> weston_surface *surface)
>       return wl_resource_find_for_client(list, 
> wl_resource_get_client(surface->resource));
>  }
>  
> +static struct wl_resource *
> +find_resource_for_view(struct wl_list *list, struct weston_view *view)
> +{
> +     if (!view)
> +             return NULL;
> +
> +     return find_resource_for_surface(list,
> +                                      view->surface);
> +}
> +
>  static void
>  default_grab_keyboard_modifiers(struct weston_keyboard_grab *grab,
>                               uint32_t serial, uint32_t mods_depressed,
> @@ -853,6 +883,61 @@ weston_tablet_destroy(struct weston_tablet *tablet)
>       wl_list_remove(&tablet->link);
>  }
>  
> +WL_EXPORT void
> +weston_tablet_tool_set_focus(struct weston_tablet_tool *tool,
> +                          struct weston_view *view,
> +                          uint32_t time)
> +{
> +     struct wl_list *focus_resource_list;
> +     struct wl_resource *resource;
> +     struct weston_seat *seat = tool->seat;
> +
> +     focus_resource_list = &tool->focus_resource_list;
> +     if (tool->focus && !wl_list_empty(focus_resource_list)) {
> +             wl_resource_for_each(resource, focus_resource_list) {
> +                     zwp_tablet_tool_v1_send_proximity_out(resource);
> +                     zwp_tablet_tool_v1_send_frame(resource, time);
> +             }
> +
> +             move_resources(&tool->resource_list, focus_resource_list);
> +     }
> +
> +     if (find_resource_for_view(&tool->resource_list, view)) {
> +             struct wl_client *surface_client =
> +                     wl_resource_get_client(view->surface->resource);
> +
> +             move_resources_for_client(focus_resource_list,
> +                                       &tool->resource_list,
> +                                       surface_client);
> +
> +             tool->focus_serial = 
> wl_display_next_serial(seat->compositor->wl_display);
> +             wl_resource_for_each(resource, focus_resource_list) {
> +                     struct wl_resource *tr;
> +
> +                     tr = 
> wl_resource_find_for_client(&tool->current_tablet->resource_list,
> +                                                      surface_client);
> +
> +                     zwp_tablet_tool_v1_send_proximity_in(resource, 
> tool->focus_serial,
> +                                                        tr, 
> view->surface->resource);
> +                     zwp_tablet_tool_v1_send_frame(resource, time);
> +             }
> +     }
> +
> +     wl_list_remove(&tool->focus_view_listener.link);
> +     wl_list_init(&tool->focus_view_listener.link);
> +     wl_list_remove(&tool->focus_resource_listener.link);
> +     wl_list_init(&tool->focus_resource_listener.link);
> +
> +     if (view)
> +             wl_signal_add(&view->destroy_signal,
> +                           &tool->focus_view_listener);

That is a confusing name for a destroy listener, but I see that its the
name used else where so I guess if we are to fix that name in the
future. we should fix it everywhere at once. Same applies to the
"focus_resource_listener" which is a destroy handler.

Anyway, this one is Reviewed-by: Jonas Ådahl <[email protected]>


Jonas

> +     if (view && view->surface->resource)
> +             wl_resource_add_destroy_listener(view->surface->resource,
> +                                              
> &tool->focus_resource_listener);
> +     tool->focus = view;
> +     tool->focus_view_listener.notify = tablet_tool_focus_view_destroyed;
> +}
> +
>  WL_EXPORT struct weston_tablet_tool *
>  weston_tablet_tool_create(void)
>  {
> @@ -863,6 +948,13 @@ weston_tablet_tool_create(void)
>               return NULL;
>  
>       wl_list_init(&tool->resource_list);
> +     wl_list_init(&tool->focus_resource_list);
> +
> +     wl_list_init(&tool->focus_view_listener.link);
> +     tool->focus_view_listener.notify = tablet_tool_focus_view_destroyed;
> +
> +     wl_list_init(&tool->focus_resource_listener.link);
> +     tool->focus_resource_listener.notify = 
> tablet_tool_focus_resource_destroyed;
>  
>       return tool;
>  }
> -- 
> 2.5.0
> 
> _______________________________________________
> wayland-devel mailing list
> [email protected]
> http://lists.freedesktop.org/mailman/listinfo/wayland-devel
_______________________________________________
wayland-devel mailing list
[email protected]
https://lists.freedesktop.org/mailman/listinfo/wayland-devel

Reply via email to