atkobject.h

windows平台下开发gtk程序所需要的库和头文件等

  ATK_ROLE_UNKNOWN,
  ATK_ROLE_VIEWPORT,
  ATK_ROLE_WINDOW,
  ATK_ROLE_HEADER,
  ATK_ROLE_FOOTER,
  ATK_ROLE_PARAGRAPH,
  ATK_ROLE_RULER,
  ATK_ROLE_APPLICATION,
  ATK_ROLE_AUTOCOMPLETE,
  ATK_ROLE_EDITBAR,
  ATK_ROLE_EMBEDDED,
  ATK_ROLE_ENTRY,
  ATK_ROLE_CHART,
  ATK_ROLE_CAPTION,
  ATK_ROLE_DOCUMENT_FRAME,
  ATK_ROLE_HEADING,
  ATK_ROLE_PAGE,
  ATK_ROLE_SECTION,
  ATK_ROLE_REDUNDANT_OBJECT,
  ATK_ROLE_FORM,
  ATK_ROLE_LINK,
  ATK_ROLE_INPUT_METHOD_WINDOW,
  ATK_ROLE_LAST_DEFINED
} AtkRole;

AtkRole                  atk_role_register        (const gchar *name);

/**
 *AtkLayer:
 *@ATK_LAYER_INVALID: The object does not have a layer
 *@ATK_LAYER_BACKGROUND: This layer is reserved for the desktop background
 *@ATK_LAYER_CANVAS: This layer is used for Canvas components
 *@ATK_LAYER_WIDGET: This layer is normally used for components
 *@ATK_LAYER_MDI: This layer is used for layered components
 *@ATK_LAYER_POPUP: This layer is used for popup components, such as menus
 *@ATK_LAYER_OVERLAY: This layer is reserved for future use.
 *@ATK_LAYER_WINDOW: This layer is used for toplevel windows.
 *
 * Describes the layer of a component
 *
 * These enumerated "layer values" are used when determining which UI
 * rendering layer a component is drawn into, which can help in making
 * determinations of when components occlude one another.
 **/
typedef enum
{
  ATK_LAYER_INVALID,
  ATK_LAYER_BACKGROUND,
  ATK_LAYER_CANVAS,
  ATK_LAYER_WIDGET,
  ATK_LAYER_MDI,
  ATK_LAYER_POPUP,
  ATK_LAYER_OVERLAY,
  ATK_LAYER_WINDOW
} AtkLayer;

/**
 * AtkAttributeSet:
 *
 * This is a singly-linked list (a #GSList) of #AtkAttribute. It is
 * used by atk_text_get_run_attributes(), atk_text_get_default_attributes()
 * and atk_editable_text_set_run_attributes()
 **/
typedef GSList AtkAttributeSet;

/**
 * AtkAttribute:
 * @name: The attribute name. Call atk_text_attr_get_name()
 * @value: the value of the attribute, represented as a string. 
 * Call atk_text_attr_get_value() for those which are strings.
 * For values which are numbers, the string representation of the number 
 * is in value.
 *
 * A string name/value pair representing a text attribute. 
 **/
typedef struct _AtkAttribute AtkAttribute;

struct _AtkAttribute {
  gchar* name;
  gchar* value;
};

#define ATK_TYPE_OBJECT                           (atk_object_get_type ())
#define ATK_OBJECT(obj)                           (G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_OBJECT, AtkObject))
#define ATK_OBJECT_CLASS(klass)                   (G_TYPE_CHECK_CLASS_CAST ((klass), ATK_TYPE_OBJECT, AtkObjectClass))
#define ATK_IS_OBJECT(obj)                        (G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_OBJECT))
#define ATK_IS_OBJECT_CLASS(klass)                (G_TYPE_CHECK_CLASS_TYPE ((klass), ATK_TYPE_OBJECT))
#define ATK_OBJECT_GET_CLASS(obj)                 (G_TYPE_INSTANCE_GET_CLASS ((obj), ATK_TYPE_OBJECT, AtkObjectClass))

#define ATK_TYPE_IMPLEMENTOR                      (atk_implementor_get_type ())
#define ATK_IS_IMPLEMENTOR(obj)                   G_TYPE_CHECK_INSTANCE_TYPE ((obj), ATK_TYPE_IMPLEMENTOR)
#define ATK_IMPLEMENTOR(obj)                      G_TYPE_CHECK_INSTANCE_CAST ((obj), ATK_TYPE_IMPLEMENTOR, AtkImplementor)
#define ATK_IMPLEMENTOR_GET_IFACE(obj)            (G_TYPE_INSTANCE_GET_INTERFACE ((obj), ATK_TYPE_IMPLEMENTOR, AtkImplementorIface))


typedef struct _AtkImplementor            AtkImplementor; /* dummy typedef */
typedef struct _AtkImplementorIface       AtkImplementorIface;


typedef struct _AtkObject                 AtkObject;
typedef struct _AtkObjectClass            AtkObjectClass;
typedef struct _AtkRelationSet            AtkRelationSet;
typedef struct _AtkStateSet               AtkStateSet;

/**
 * AtkPropertyValues:
 * @property_name: The name of the ATK property which is being presented or which has been changed.
 * @old_value: The old property value, NULL; in some contexts this value is undefined (see note below).
 * @new_value: The new value of the named property.
 *
 * @note: For most properties the old_value field of AtkPropertyValues will
 * not contain a valid value.
 *
 * Currently, the only property for which old_value is used is
 * accessible-state; for instance if there is a focus state the
 * property change handler will be called for the object which lost the focus
 * with the old_value containing an AtkState value corresponding to focused
 * and the property change handler will be called for the object which
 * received the focus with the new_value containing an AtkState value
 * corresponding to focused.
 *
 **/
struct _AtkPropertyValues
{
  const gchar  *property_name;
  GValue old_value;
  GValue new_value;
};

typedef struct _AtkPropertyValues        AtkPropertyValues;

typedef gboolean (*AtkFunction)          (gpointer data); 
/*
 * For most properties the old_value field of AtkPropertyValues will
 * not contain a valid value.
 *
 * Currently, the only property for which old_value is used is
 * accessible-state; for instance if there is a focus state the
 * property change handler will be called for the object which lost the focus
 * with the old_value containing an AtkState value corresponding to focused
 * and the property change handler will be called for the object which
 * received the focus with the new_value containing an AtkState value
 * corresponding to focused.
 */
typedef void (*AtkPropertyChangeHandler) (AtkObject*, AtkPropertyValues*);


struct _AtkObject
{
  GObject parent;

  gchar *description;
  gchar *name;
  AtkObject *accessible_parent;
  AtkRole role;
  AtkRelationSet *relation_set;
  AtkLayer layer;
};

struct _AtkObjectClass
{
  GObjectClass parent;

  /*
   * Gets the accessible name of the object
   */
  G_CONST_RETURN gchar*    (* get_name)            (AtkObject                *accessible);
  /*
   * Gets the accessible description of the object
   */
  G_CONST_RETURN gchar*    (* get_description)     (AtkObject                *accessible);
  /*
   * Gets the accessible parent of the object
   */
  AtkObject*               (*get_parent)           (AtkObject                *accessible);

  /*
   * Gets the number of accessible children of the object
   */
  gint                    (* get_n_children)       (AtkObject                *accessible);
  /*
   * Returns a reference to the specified accessible child of the object.
   * The accessible children are 0-based so the first accessible child is
   * at index 0, the second at index 1 and so on.
   */
  AtkObject*              (* ref_child)            (AtkObject                *accessible,
                                                    gint                      i);
  /*
   * Gets the 0-based index of this object in its parent; returns -1 if the
   * object does not have an accessible parent.
   */
  gint                    (* get_index_in_parent) (AtkObject                 *accessible);
  /*
   * Gets the RelationSet associated with the object
   */
  AtkRelationSet*         (* ref_relation_set)    (AtkObject                 *accessible);
  /*
   * Gets the role of the object
   */
  AtkRole                 (* get_role)            (AtkObject                 *accessible);
  AtkLayer                (* get_layer)           (AtkObject                 *accessible);
  gint                    (* get_mdi_zorder)      (AtkObject                 *accessible);
  /*
   * Gets the state set of the object
   */
  AtkStateSet*            (* ref_state_set)       (AtkObject                 *accessible);
  /*
   * Sets the accessible name of the object
   */
  void                    (* set_name)            (AtkObject                 *accessible,
                                                   const gchar               *name);
  /*
   * Sets the accessible description of the object
   */
  void                    (* set_description)     (AtkObject                 *accessible,
                                                   const gchar               *description);
  /*