Interface

ClutterContent

Description [src]

interface Clutter.Content : GObject.Object

Delegate for painting the content of an actor

ClutterContent is an interface to implement types responsible for painting the content of a ClutterActor.

Multiple actors can use the same ClutterContent instance, in order to share the resources associated with painting the same content..

Prerequisite

In order to implement Content, your type must inherit fromGObject.

Implementations

Instance methods

clutter_content_get_preferred_size

Retrieves the natural size of the content, if any.

clutter_content_invalidate

Invalidates a ClutterContent.

clutter_content_invalidate_size

Signals that content‘s size changed. Attached actors with request mode set to CLUTTER_REQUEST_CONTENT_SIZE will have a relayout queued.

Signals

Clutter.Content::attached

This signal is emitted each time a ClutterContent implementation is assigned to a ClutterActor.

Clutter.Content::detached

This signal is emitted each time a ClutterContent implementation is removed from a ClutterActor.

Interface structure

struct ClutterContentInterface {
  gboolean (* get_preferred_size) (
    ClutterContent* content,
    gfloat* width,
    gfloat* height
  );
  void (* paint_content) (
    ClutterContent* content,
    ClutterActor* actor,
    ClutterPaintNode* node,
    ClutterPaintContext* paint_context
  );
  void (* attached) (
    ClutterContent* content,
    ClutterActor* actor
  );
  void (* detached) (
    ClutterContent* content,
    ClutterActor* actor
  );
  void (* invalidate) (
    ClutterContent* content
  );
  void (* invalidate_size) (
    ClutterContent* content
  );
  
}

The ClutterContentInterface structure contains only private data.

Interface members

`get_preferred_size`	`gboolean (* get_preferred_size) ( ClutterContent* content, gfloat* width, gfloat* height )`
	Virtual function; should be overridden by subclasses of `ClutterContent` that have a natural size.
`paint_content`	`void (* paint_content) ( ClutterContent* content, ClutterActor* actor, ClutterPaintNode* node, ClutterPaintContext* paint_context )`
	Virtual function; called each time the content needs to paint itself.
`attached`	`void (* attached) ( ClutterContent* content, ClutterActor* actor )`
	Virtual function; called each time a `ClutterContent` is attached to a `ClutterActor`.
`detached`	`void (* detached) ( ClutterContent* content, ClutterActor* actor )`
	Virtual function; called each time a `ClutterContent` is detached from a `ClutterActor`.
`invalidate`	`void (* invalidate) ( ClutterContent* content )`
	Virtual function; called each time a `ClutterContent` state is changed.
`invalidate_size`	`void (* invalidate_size) ( ClutterContent* content )`
	No description available.

Virtual methods

Clutter.Content.attached

Virtual function; called each time a ClutterContent is attached to a ClutterActor.

Clutter.Content.detached

Virtual function; called each time a ClutterContent is detached from a ClutterActor.

Clutter.Content.get_preferred_size

Retrieves the natural size of the content, if any.

Clutter.Content.invalidate

Invalidates a ClutterContent.

Clutter.Content.invalidate_size

Signals that content‘s size changed. Attached actors with request mode set to CLUTTER_REQUEST_CONTENT_SIZE will have a relayout queued.

Clutter.Content.paint_content

Virtual function; called each time the content needs to paint itself.