#ifndef __SCENE_INTERNAL_H
#define __SCENE_INTERNAL_H
+struct vidconsole_bbox;
+
+typedef int (*expo_scene_obj_iterator)(struct scene_obj *obj, void *priv);
+
/**
* expo_lookup_scene_id() - Look up a scene ID
*
* @type: Type of the object, or SCENEOBJT_NONE to match any type
* Returns: Object found, or NULL if not found
*/
-void *scene_obj_find(struct scene *scn, uint id, enum scene_obj_t type);
+void *scene_obj_find(const struct scene *scn, uint id, enum scene_obj_t type);
+
+/**
+ * scene_obj_find_by_name() - Find an object in a scene by name
+ *
+ * @scn: Scene to search
+ * @name: Name to search for
+ */
+void *scene_obj_find_by_name(struct scene *scn, const char *name);
/**
* scene_obj_add() - Add a new object to a scene
int scene_obj_add(struct scene *scn, const char *name, uint id,
enum scene_obj_t type, uint size, struct scene_obj **objp);
+/**
+ * scene_obj_flag_clrset() - Adjust object flags
+ *
+ * @scn: Scene to update
+ * @id: ID of object to update
+ * @clr: Bits to clear in the object's flags
+ * @set: Bits to set in the object's flags
+ * Returns 0 if OK, -ENOENT if the object was not found
+ */
+int scene_obj_flag_clrset(struct scene *scn, uint id, uint clr, uint set);
+
+/**
+ * scene_calc_dims() - Calculate the dimensions of the scene objects
+ *
+ * Updates the width and height of all objects based on their contents
+ *
+ * @scn: Scene to update
+ * @do_menus: true to calculate only menus, false to calculate everything else
+ * Returns 0 if OK, -ENOTSUPP if there is no graphical console
+ */
+int scene_calc_dims(struct scene *scn, bool do_menus);
+
/**
* scene_menu_arrange() - Set the position of things in the menu
*
*/
int scene_menu_arrange(struct scene *scn, struct scene_obj_menu *menu);
+/**
+ * scene_textline_arrange() - Set the position of things in a textline
+ *
+ * This updates any items associated with a textline to make sure they are
+ * positioned correctly relative to the textline.
+ *
+ * @scn: Scene to update
+ * @tline: textline to process
+ * Returns: 0 if OK, -ve on error
+ */
+int scene_textline_arrange(struct scene *scn, struct scene_obj_textline *tline);
+
+/**
+ * scene_apply_theme() - Apply a theme to a scene
+ *
+ * @scn: Scene to update
+ * @theme: Theme to apply
+ * Returns: 0 if OK, -ve on error
+ */
+int scene_apply_theme(struct scene *scn, struct expo_theme *theme);
+
/**
* scene_menu_send_key() - Send a key to a menu for processing
*
int scene_menu_send_key(struct scene *scn, struct scene_obj_menu *menu, int key,
struct expo_action *event);
+/**
+ * scene_textline_send_key() - Send a key to a textline for processing
+ *
+ * @scn: Scene to use
+ * @tline: textline to use
+ * @key: Key code to send (KEY_...)
+ * @event: Place to put any event which is generated by the key
+ * Returns: 0 if OK (always)
+ */
+int scene_textline_send_key(struct scene *scn, struct scene_obj_textline *tline,
+ int key, struct expo_action *event);
+
/**
* scene_menu_destroy() - Destroy a menu in a scene
*
*/
int scene_send_key(struct scene *scn, int key, struct expo_action *event);
+/**
+ * scene_render_deps() - Render an object and its dependencies
+ *
+ * @scn: Scene to render
+ * @id: Object ID to render (or 0 for none)
+ * Returns: 0 if OK, -ve on error
+ */
+int scene_render_deps(struct scene *scn, uint id);
+
+/**
+ * scene_menu_render_deps() - Render a menu and its dependencies
+ *
+ * Renders the menu and all of its attached objects
+ *
+ * @scn: Scene to render
+ * @menu: Menu to render
+ * Returns: 0 if OK, -ve on error
+ */
+int scene_menu_render_deps(struct scene *scn, struct scene_obj_menu *menu);
+
+/**
+ * scene_textline_render_deps() - Render a textline and its dependencies
+ *
+ * Renders the textline and all of its attached objects
+ *
+ * @scn: Scene to render
+ * @tline: textline to render
+ * Returns: 0 if OK, -ve on error
+ */
+int scene_textline_render_deps(struct scene *scn,
+ struct scene_obj_textline *tline);
+
+/**
+ * scene_menu_calc_dims() - Calculate the dimensions of a menu
+ *
+ * Updates the width and height of the menu based on its contents
+ *
+ * @menu: Menu to update
+ * Returns 0 if OK, -ENOTSUPP if there is no graphical console
+ */
+int scene_menu_calc_dims(struct scene_obj_menu *menu);
+
+/**
+ * scene_iter_objs() - Iterate through all scene objects
+ *
+ * @scn: Scene to process
+ * @iter: Iterator to call on each object
+ * @priv: Private data to pass to the iterator, in addition to the object
+ * Return: 0 if OK, -ve on error
+ */
+int scene_iter_objs(struct scene *scn, expo_scene_obj_iterator iter,
+ void *priv);
+
+/**
+ * expo_iter_scene_objects() - Iterate through all scene objects
+ *
+ * @exp: Expo to process
+ * @iter: Iterator to call on each object
+ * @priv: Private data to pass to the iterator, in addition to the object
+ * Return: 0 if OK, -ve on error
+ */
+int expo_iter_scene_objs(struct expo *exp, expo_scene_obj_iterator iter,
+ void *priv);
+
+/**
+ * scene_menuitem_find() - Find the menu item for an ID
+ *
+ * Looks up the menu to find the item with the given ID
+ *
+ * @menu: Menu to check
+ * @id: ID to look for
+ * Return: Menu item, or NULL if not found
+ */
+struct scene_menitem *scene_menuitem_find(const struct scene_obj_menu *menu,
+ int id);
+
+/**
+ * scene_menuitem_find_seq() - Find the menu item at a sequential position
+ *
+ * This numbers the items from 0 and returns the seq'th one
+ *
+ * @menu: Menu to check
+ * @seq: Sequence number to look for
+ * Return: menu item if found, else NULL
+ */
+struct scene_menitem *scene_menuitem_find_seq(const struct scene_obj_menu *menu,
+ uint seq);
+
+/**
+ * scene_bbox_union() - update bouding box with the demensions of an object
+ *
+ * Updates @bbox so that it encompasses the bounding box of object @id
+ *
+ * @snd: Scene containing object
+ * @id: Object id
+ * @inset: Amount of inset to use for width
+ * @bbox: Bounding box to update
+ * Return: 0 if OK, -ve on error
+ */
+int scene_bbox_union(struct scene *scn, uint id, int inset,
+ struct vidconsole_bbox *bbox);
+
+/**
+ * scene_textline_calc_dims() - Calculate the dimensions of a textline
+ *
+ * Updates the width and height of the textline based on its contents
+ *
+ * @tline: Textline to update
+ * Returns 0 if OK, -ENOTSUPP if there is no graphical console
+ */
+int scene_textline_calc_dims(struct scene_obj_textline *tline);
+
+/**
+ * scene_menu_calc_bbox() - Calculate bounding boxes for the menu
+ *
+ * @menu: Menu to process
+ * @bbox: Returns bounding box of menu including prompts
+ * @label_bbox: Returns bounding box of labels
+ * Return: 0 if OK, -ve on error
+ */
+void scene_menu_calc_bbox(struct scene_obj_menu *menu,
+ struct vidconsole_bbox *bbox,
+ struct vidconsole_bbox *label_bbox);
+
+/**
+ * scene_textline_calc_bbox() - Calculate bounding box for the textline
+ *
+ * @textline: Menu to process
+ * @bbox: Returns bounding box of textline including prompt
+ * @edit_bbox: Returns bounding box of editable part
+ * Return: 0 if OK, -ve on error
+ */
+void scene_textline_calc_bbox(struct scene_obj_textline *menu,
+ struct vidconsole_bbox *bbox,
+ struct vidconsole_bbox *label_bbox);
+
+/**
+ * scene_obj_calc_bbox() - Calculate bounding boxes for an object
+ *
+ * @obj: Object to process
+ * @bbox: Returns bounding box of object including prompts
+ * @label_bbox: Returns bounding box of labels (active area)
+ * Return: 0 if OK, -ve on error
+ */
+int scene_obj_calc_bbox(struct scene_obj *obj, struct vidconsole_bbox *bbox,
+ struct vidconsole_bbox *label_bbox);
+
+/**
+ * scene_textline_open() - Open a textline object
+ *
+ * Set up the text editor ready for use
+ *
+ * @scn: Scene containing the textline
+ * @tline: textline object
+ * Return: 0 if OK, -ve on error
+ */
+int scene_textline_open(struct scene *scn, struct scene_obj_textline *tline);
+
+/**
+ * scene_textline_close() - Close a textline object
+ *
+ * Close out the text editor after use
+ *
+ * @scn: Scene containing the textline
+ * @tline: textline object
+ * Return: 0 if OK, -ve on error
+ */
+int scene_textline_close(struct scene *scn, struct scene_obj_textline *tline);
+
#endif /* __SCENE_INTERNAL_H */