text: /*
   * Copyright © 2008-2011 Kristian Høgsberg
   * Copyright © 2017, 2018 General Electric Company
   * Copyright © 2012, 2017-2019 Collabora, Ltd.
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice (including the
   * next paragraph) shall be included in all copies or substantial
   * portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
   * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   */
  
  #ifndef LIBWESTON_INTERNAL_H
  #define LIBWESTON_INTERNAL_H
  
  /*
   * This is the internal (private) part of libweston. All symbols found here
   * are, and should be only (with a few exceptions) used within the internal
   * parts of libweston.  Notable exception(s) include a few files in tests/ that
   * need access to these functions, screen-share file from compositor/ and those
   * remoting/. Those will require some further fixing as to avoid including this
   * private header.
   *
   * Eventually, these symbols should reside naturally into their own scope. New
   * features should either provide their own (internal) header or use this one.
   */
  
  
  /* weston_buffer */
  
  void
  weston_buffer_send_server_error(struct weston_buffer *buffer,
  				const char *msg);
  void
  weston_buffer_reference(struct weston_buffer_reference *ref,
  			struct weston_buffer *buffer);
  
  void
  weston_buffer_release_move(struct weston_buffer_release_reference *dest,
  			   struct weston_buffer_release_reference *src);
  
  void
  weston_buffer_release_reference(struct weston_buffer_release_reference *ref,
  				struct weston_buffer_release *buf_release);
  
  /* weston_bindings */
  void
  weston_binding_list_destroy_all(struct wl_list *list);
  
  /* weston_compositor */
  
  void
  touch_calibrator_mode_changed(struct weston_compositor *compositor);
  
  // OHOS remove noop
  // int
  // noop_renderer_init(struct weston_compositor *ec);
  
  void
  weston_compositor_add_head(struct weston_compositor *compositor,
  			   struct weston_head *head);
  void
  weston_compositor_add_pending_output(struct weston_output *output,
  				     struct weston_compositor *compositor);
  bool
  weston_compositor_import_dmabuf(struct weston_compositor *compositor,
  				struct linux_dmabuf_buffer *buffer);
  bool
  weston_compositor_dmabuf_can_scanout(struct weston_compositor *compositor,
  					struct linux_dmabuf_buffer *buffer);
  void
  weston_compositor_offscreen(struct weston_compositor *compositor);
  
  // OHOS remove logger
  // char *
  // weston_compositor_print_scene_graph(struct weston_compositor *ec);
  
  void
  weston_compositor_read_presentation_clock(
  			const struct weston_compositor *compositor,
  			struct timespec *ts);
  
  int
  weston_compositor_run_axis_binding(struct weston_compositor *compositor,
  				   struct weston_pointer *pointer,
  				   const struct timespec *time,
  				   struct weston_pointer_axis_event *event);
  void
  weston_compositor_run_button_binding(struct weston_compositor *compositor,
  				     struct weston_pointer *pointer,
  				     const struct timespec *time,
  				     uint32_t button,
  				     enum wl_pointer_button_state value);
  int
  weston_compositor_run_debug_binding(struct weston_compositor *compositor,
  				    struct weston_keyboard *keyboard,
  				    const struct timespec *time,
  				    uint32_t key,
  				    enum wl_keyboard_key_state state);
  void
  weston_compositor_run_key_binding(struct weston_compositor *compositor,
  				  struct weston_keyboard *keyboard,
  				  const struct timespec *time,
  				  uint32_t key,
  				  enum wl_keyboard_key_state state);
  void
  weston_compositor_run_modifier_binding(struct weston_compositor *compositor,
  				       struct weston_keyboard *keyboard,
  				       enum weston_keyboard_modifier modifier,
  				       enum wl_keyboard_key_state state);
  void
  weston_compositor_run_touch_binding(struct weston_compositor *compositor,
  				    struct weston_touch *touch,
  				    const struct timespec *time,
  				    int touch_type);
  void
  weston_compositor_stack_plane(struct weston_compositor *ec,
  			      struct weston_plane *plane,
  			      struct weston_plane *above);
  void
  weston_compositor_set_touch_mode_normal(struct weston_compositor *compositor);
  
  void
  weston_compositor_set_touch_mode_calib(struct weston_compositor *compositor);
  
  int
  weston_compositor_set_presentation_clock(struct weston_compositor *compositor,
  					 clockid_t clk_id);
  int
  weston_compositor_set_presentation_clock_software(
  					struct weston_compositor *compositor);
  void
  weston_compositor_shutdown(struct weston_compositor *ec);
  
  void
  weston_compositor_xkb_destroy(struct weston_compositor *ec);
  
  int
  weston_input_init(struct weston_compositor *compositor);
  
  /* weston_output */
  
  void
  weston_output_disable_planes_incr(struct weston_output *output);
  
  void
  weston_output_disable_planes_decr(struct weston_output *output);
  
  /* weston_plane */
  
  void
  weston_plane_init(struct weston_plane *plane,
  			struct weston_compositor *ec,
  			int32_t x, int32_t y);
  void
  weston_plane_release(struct weston_plane *plane);
  
  /* weston_seat */
  
  struct clipboard *
  clipboard_create(struct weston_seat *seat);
  
  void
  weston_seat_init(struct weston_seat *seat, struct weston_compositor *ec,
  		 const char *seat_name);
  
  void
  weston_seat_repick(struct weston_seat *seat);
  
  void
  weston_seat_release(struct weston_seat *seat);
  
  void
  weston_seat_send_selection(struct weston_seat *seat, struct wl_client *client);
  
  void
  weston_seat_init_pointer(struct weston_seat *seat);
  
  int
  weston_seat_init_keyboard(struct weston_seat *seat, struct xkb_keymap *keymap);
  
  void
  weston_seat_init_touch(struct weston_seat *seat);
  
  void
  weston_seat_release_keyboard(struct weston_seat *seat);
  
  void
  weston_seat_release_pointer(struct weston_seat *seat);
  
  void
  weston_seat_release_touch(struct weston_seat *seat);
  
  void
  weston_seat_update_keymap(struct weston_seat *seat, struct xkb_keymap *keymap);
  
  void
  wl_data_device_set_keyboard_focus(struct weston_seat *seat);
  
  /* weston_pointer */
  
  void
  weston_pointer_clamp(struct weston_pointer *pointer,
  		     wl_fixed_t *fx, wl_fixed_t *fy);
  void
  weston_pointer_set_default_grab(struct weston_pointer *pointer,
  			        const struct weston_pointer_grab_interface *interface);
  
  void
  weston_pointer_constraint_destroy(struct weston_pointer_constraint *constraint);
  
  /* weston_keyboard */
  bool
  weston_keyboard_has_focus_resource(struct weston_keyboard *keyboard);
  
  /* weston_touch */
  
  struct weston_touch_device *
  weston_touch_create_touch_device(struct weston_touch *touch,
  				 const char *syspath,
  				 void *backend_data,
  				 const struct weston_touch_device_ops *ops);
  
  void
  weston_touch_device_destroy(struct weston_touch_device *device);
  
  bool
  weston_touch_has_focus_resource(struct weston_touch *touch);
  
  int
  weston_touch_start_drag(struct weston_touch *touch,
  			struct weston_data_source *source,
  			struct weston_surface *icon,
  			struct wl_client *client);
  
  
  /* weston_touch_device */
  
  bool
  weston_touch_device_can_calibrate(struct weston_touch_device *device);
  
  /* weston_surface */
  void
  weston_surface_to_buffer_float(struct weston_surface *surface,
  			       float x, float y, float *bx, float *by);
  pixman_box32_t
  weston_surface_to_buffer_rect(struct weston_surface *surface,
  			      pixman_box32_t rect);
  
  void
  weston_surface_to_buffer_region(struct weston_surface *surface,
  				pixman_region32_t *surface_region,
  				pixman_region32_t *buffer_region);
  void
  weston_surface_schedule_repaint(struct weston_surface *surface);
  
  /* weston_spring */
  
  void
  weston_spring_init(struct weston_spring *spring,
  		   double k, double current, double target);
  int
  weston_spring_done(struct weston_spring *spring);
  
  void
  weston_spring_update(struct weston_spring *spring, const struct timespec *time);
  
  /* weston_view */
  
  void
  weston_view_to_global_fixed(struct weston_view *view,
  			    wl_fixed_t sx, wl_fixed_t sy,
  			    wl_fixed_t *x, wl_fixed_t *y);
  void
  weston_view_from_global_float(struct weston_view *view,
  			      float x, float y, float *vx, float *vy);
  bool
  weston_view_is_opaque(struct weston_view *ev, pixman_region32_t *region);
  
  bool
  weston_view_has_valid_buffer(struct weston_view *ev);
  
  bool
  weston_view_matches_output_entirely(struct weston_view *ev,
  				    struct weston_output *output);
  void
  weston_view_move_to_plane(struct weston_view *view,
  			  struct weston_plane *plane);
  
  void
  weston_transformed_coord(int width, int height,
  			 enum wl_output_transform transform,
  			 int32_t scale,
  			 float sx, float sy, float *bx, float *by);
  pixman_box32_t
  weston_transformed_rect(int width, int height,
  			enum wl_output_transform transform,
  			int32_t scale,
  			pixman_box32_t rect);
  void
  weston_transformed_region(int width, int height,
  			  enum wl_output_transform transform,
  			  int32_t scale,
  			  pixman_region32_t *src, pixman_region32_t *dest);
  void
  weston_matrix_transform_region(pixman_region32_t *dest,
  			       struct weston_matrix *matrix,
  			       pixman_region32_t *src);
  
  /* protected_surface */
  void
  weston_protected_surface_send_event(struct protected_surface *psurface,
  				    enum weston_hdcp_protection protection);
  
  /* others */
  int
  wl_data_device_manager_init(struct wl_display *display);
  
  #endif
  