1 #ifndef __DALI_INTERNAL_ACTOR_H__
2 #define __DALI_INTERNAL_ACTOR_H__
5 * Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
25 #include <dali/public-api/common/vector-wrapper.h>
26 #include <dali/public-api/object/ref-object.h>
27 #include <dali/public-api/actors/actor.h>
28 #include <dali/public-api/common/dali-common.h>
29 #include <dali/public-api/events/gesture.h>
30 #include <dali/public-api/math/viewport.h>
31 #include <dali/internal/event/common/proxy-object.h>
32 #include <dali/internal/event/common/stage-def.h>
33 #include <dali/internal/event/actors/actor-declarations.h>
34 #include <dali/internal/event/actor-attachments/actor-attachment-declarations.h>
35 #include <dali/internal/update/nodes/node-declarations.h>
37 #ifdef DYNAMICS_SUPPORT
38 #include <dali/internal/event/dynamics/dynamics-declarations.h>
47 struct MouseWheelEvent;
53 class ActorGestureData;
58 typedef IntrusivePtr<Actor> ActorPtr;
59 typedef Dali::ActorContainer ActorContainer; // Store handles to return via public-api
60 typedef ActorContainer::iterator ActorIter;
61 typedef ActorContainer::const_iterator ActorConstIter;
64 * Actor is the primary object which Dali applications interact with.
65 * UI controls can be built by combining multiple actors.
66 * Multi-Touch events are received through signals emitted by the actor tree.
68 * An Actor is a proxy for a Node in the scene graph.
69 * When an Actor is added to the Stage, it creates a node and attaches it to the scene graph.
70 * The scene-graph can be updated in a separate thread, so the attachment is done using an asynchronous message.
71 * When a tree of Actors is detached from the Stage, a message is sent to destroy the associated nodes.
73 class Actor : public ProxyObject
79 * @return A smart-pointer to the newly allocated Actor.
81 static ActorPtr New();
84 * Retrieve the name of the actor.
87 const std::string& GetName() const;
90 * Set the name of the actor.
91 * @param[in] name The new name.
93 void SetName(const std::string& name);
96 * @copydoc Dali::Actor::GetId
98 unsigned int GetId() const;
103 * Attach an object to an actor.
104 * @pre The actor does not already have an attachment.
105 * @param[in] attachment The object to attach.
107 void Attach(ActorAttachment& attachment);
110 * Retreive the object attached to an actor.
111 * @return The attachment.
113 ActorAttachmentPtr GetAttachment();
118 * Query whether an actor is the root actor, which is owned by the Stage.
119 * @return True if the actor is a root actor.
127 * Query whether the actor is connected to the Stage.
129 bool OnStage() const;
132 * Query whether the actor is a RenderableActor derived type.
133 * @return True if the actor is renderable.
135 bool IsRenderable() const
137 // inlined as this is called a lot in hit testing
138 return mIsRenderable;
142 * Query whether the actor is of class Dali::Layer
143 * @return True if the actor is a layer.
147 // inlined as this is called a lot in hit testing
152 * Gets the layer in which the actor is present
153 * @return The layer, which will be uninitialized if the actor is off-stage.
155 Dali::Layer GetLayer();
158 * Adds a child Actor to this Actor.
159 * @pre The child actor is not the same as the parent actor.
160 * @pre The child actor does not already have a parent.
161 * @param [in] child The child.
162 * @post The child will be referenced by its parent.
164 void Add(Actor& child);
167 * Inserts a child Actor to this Actor's child list
168 * @pre The child actor is not the same as the parent actor.
169 * @pre The child actor does not already have a parent.
170 * @param [in] index in childlist to insert child at
171 * @param [in] child The child.
172 * @post The child will be referenced by its parent.
174 void Insert(unsigned int index, Actor& child);
177 * Removes a child Actor from this Actor.
178 * @param [in] child The child.
179 * @post The child will be unreferenced.
181 void Remove(Actor& child);
184 * @copydoc Dali::Actor::Unparent
189 * Retrieve the number of children held by the actor.
190 * @return The number of children
192 unsigned int GetChildCount() const;
195 * @copydoc Dali::Actor::GetChildAt
197 Dali::Actor GetChildAt(unsigned int index) const;
200 * Retrieve the Actor's children.
201 * @return A copy of the container of children.
203 ActorContainer GetChildren();
206 * Retrieve the Actor's children.
207 * @return A const reference to the container of children.
209 const ActorContainer& GetChildren() const;
212 * Retrieve a reference to Actor's children.
213 * @note Not for public use.
214 * @return A reference to the container of children.
216 ActorContainer& GetChildrenInternal()
222 * @copydoc Dali::Actor::FindChildByName
224 ActorPtr FindChildByName(const std::string& actorName);
227 * @copydoc Dali::Actor::FindChildByAlias
229 Dali::Actor FindChildByAlias(const std::string& actorAlias);
232 * @copydoc Dali::Actor::FindChildById
234 ActorPtr FindChildById(const unsigned int id);
237 * Retrieve the parent of an Actor.
238 * @return The parent actor, or NULL if the Actor does not have a parent.
240 Actor* GetParent() const
246 * Sets the size of an actor.
247 * ActorAttachments attached to the actor, can be scaled to fit within this area.
248 * This does not interfere with the actors scale factor.
249 * @param [in] width The new width.
250 * @param [in] height The new height.
252 void SetSize(float width, float height);
255 * Sets the size of an actor.
256 * ActorAttachments attached to the actor, can be scaled to fit within this area.
257 * This does not interfere with the actors scale factor.
258 * @param [in] width The size of the actor along the x-axis.
259 * @param [in] height The size of the actor along the y-axis.
260 * @param [in] depth The size of the actor along the z-axis.
262 void SetSize(float width, float height, float depth);
265 * Sets the size of an actor.
266 * ActorAttachments attached to the actor, can be scaled to fit within this area.
267 * This does not interfere with the actors scale factor.
268 * @param [in] size The new size.
270 void SetSize(const Vector2& size);
273 * Sets the size of an actor.
274 * ActorAttachments attached to the actor, can be scaled to fit within this area.
275 * This does not interfere with the actors scale factor.
276 * @param [in] size The new size.
278 void SetSize(const Vector3& size);
281 * Set the width component of the Actor's size.
282 * @param [in] width The new width component.
284 void SetWidth( float width );
287 * Set the height component of the Actor's size.
288 * @param [in] height The new height component.
290 void SetHeight( float height );
293 * Set the depth component of the Actor's size.
294 * @param [in] depth The new depth component.
296 void SetDepth( float depth );
299 * Retrieve the Actor's size from event side.
300 * This size will be the size set or if animating then the target size.
301 * @return The Actor's size.
303 const Vector3& GetSize() const;
306 * Retrieve the Actor's size from update side.
307 * This size will be the size set or animating but will be a frame behind.
308 * @return The Actor's size.
310 const Vector3& GetCurrentSize() const;
313 * Return the natural size of the actor
315 * @return The actor's natural size
317 virtual Vector3 GetNaturalSize() const;
320 * Set the origin of an actor, within its parent's area.
321 * This is expressed in 2D unit coordinates, such that (0.0, 0.0, 0.5) is the top-left corner of the parent,
322 * and (1.0, 1.0, 0.5) is the bottom-right corner.
323 * The default parent-origin is top-left (0.0, 0.0, 0.5).
324 * An actor position is the distance between this origin, and the actors anchor-point.
325 * @param [in] origin The new parent-origin.
327 void SetParentOrigin(const Vector3& origin);
330 * Set the x component of the parent-origin
331 * @param [in] x The new x value.
333 void SetParentOriginX( float x );
336 * Set the y component of the parent-origin
337 * @param [in] y The new y value.
339 void SetParentOriginY( float y );
342 * Set the z component of the parent-origin
343 * @param [in] z The new z value.
345 void SetParentOriginZ( float z );
348 * Retrieve the parent-origin of an actor.
349 * @return The parent-origin.
351 const Vector3& GetCurrentParentOrigin() const;
354 * Set the anchor-point of an actor. This is expressed in 2D unit coordinates, such that
355 * (0.0, 0.0, 0.5) is the top-left corner of the actor, and (1.0, 1.0, 0.5) is the bottom-right corner.
356 * The default anchor point is top-left (0.0, 0.0, 0.5).
357 * An actor position is the distance between its parent-origin, and this anchor-point.
358 * An actor's rotation is centered around its anchor-point.
359 * @param [in] anchorPoint The new anchor-point.
361 void SetAnchorPoint(const Vector3& anchorPoint);
364 * Set the x component of the anchor-point.
365 * @param [in] x The new x value.
367 void SetAnchorPointX( float x );
370 * Set the y component of the anchor-point.
371 * @param [in] y The new y value.
373 void SetAnchorPointY( float y );
376 * Set the z component of the anchor-point.
377 * @param [in] z The new z value.
379 void SetAnchorPointZ( float z );
382 * Retrieve the anchor-point of an actor.
383 * @return The anchor-point.
385 const Vector3& GetCurrentAnchorPoint() const;
388 * Sets the position of the Actor.
389 * The coordinates are relative to the Actor's parent.
390 * The Actor's z position will be set to 0.0f.
391 * @param [in] x The new x position
392 * @param [in] y The new y position
394 void SetPosition(float x, float y);
397 * Sets the position of the Actor.
398 * The coordinates are relative to the Actor's parent.
399 * @param [in] x The new x position
400 * @param [in] y The new y position
401 * @param [in] z The new z position
403 void SetPosition(float x, float y, float z);
406 * Sets the position of the Actor.
407 * The coordinates are relative to the Actor's parent.
408 * @param [in] position The new position.
410 void SetPosition(const Vector3& position);
413 * Set the position of an actor along the X-axis.
414 * @param [in] x The new x position
419 * Set the position of an actor along the Y-axis.
420 * @param [in] y The new y position.
425 * Set the position of an actor along the Z-axis.
426 * @param [in] z The new z position
431 * Move an actor relative to its existing position.
432 * @param[in] distance The actor will move by this distance.
434 void MoveBy(const Vector3& distance);
437 * Retrieve the position of the Actor.
438 * The coordinates are relative to the Actor's parent.
439 * @return the Actor's position.
441 const Vector3& GetCurrentPosition() const;
444 * @copydoc Dali::Actor::GetCurrentWorldPosition()
446 const Vector3& GetCurrentWorldPosition() const;
449 * @copydoc Dali::Actor::SetPositionInheritanceMode()
451 void SetPositionInheritanceMode( PositionInheritanceMode mode );
454 * @copydoc Dali::Actor::GetPositionInheritanceMode()
456 PositionInheritanceMode GetPositionInheritanceMode() const;
459 * Sets the rotation of the Actor.
460 * @param [in] angleRadians The new rotation angle in radians.
461 * @param [in] axis The new axis of rotation.
463 void SetRotation(const Radian& angleRadians, const Vector3& axis);
466 * Sets the rotation of the Actor.
467 * @param [in] rotation The new rotation.
469 void SetRotation(const Quaternion& rotation);
472 * Rotate an actor around its existing rotation axis.
473 * @param[in] angleRadians The angle to the rotation to combine with the existing rotation.
474 * @param[in] axis The axis of the rotation to combine with the existing rotation.
476 void RotateBy(const Radian& angleRadians, const Vector3& axis);
479 * Apply a relative rotation to an actor.
480 * @param[in] relativeRotation The rotation to combine with the actors existing rotation.
482 void RotateBy(const Quaternion& relativeRotation);
485 * Retreive the Actor's rotation.
486 * @return the rotation.
488 const Quaternion& GetCurrentRotation() const;
491 * Set whether a child actor inherits it's parent's orientation. Default is to inherit.
492 * Switching this off means that using SetRotation() sets the actor's world orientation.
493 * @param[in] inherit - true if the actor should inherit orientation, false otherwise.
495 void SetInheritRotation(bool inherit);
498 * Returns whether the actor inherit's it's parent's orientation.
499 * @return true if the actor inherit's it's parent orientation, false if it uses world orientation.
501 bool IsRotationInherited() const;
504 * @brief Defines how a child actors size is affected by its parents size.
505 * @param[in] mode The size relative to parent mode to use.
507 void SetSizeMode(SizeMode mode);
510 * Query how the child actors size is affected by its parents size.
511 * @return The size relative to parent mode in use.
513 SizeMode GetSizeMode() const;
516 * Sets the factor of the parents size used for the child actor.
517 * Note: Only used if SizeMode is SIZE_RELATIVE_TO_PARENT or SIZE_FIXED_OFFSET_FROM_PARENT.
518 * @param[in] factor The vector to multiply the parents size by to get the childs size.
520 void SetSizeModeFactor(const Vector3& factor);
523 * Gets the factor of the parents size used for the child actor.
524 * Note: Only used if SizeMode is SIZE_RELATIVE_TO_PARENT or SIZE_FIXED_OFFSET_FROM_PARENT.
525 * @return The vector being used to multiply the parents size by to get the childs size.
527 const Vector3& GetSizeModeFactor() const;
530 * @copydoc Dali::Actor::GetCurrentWorldRotation()
532 const Quaternion& GetCurrentWorldRotation() const;
535 * Sets a scale factor applied to an actor.
536 * @param [in] scale The scale factor applied on all axes.
538 void SetScale(float scale);
541 * Sets a scale factor applied to an actor.
542 * @param [in] scaleX The scale factor applied along the x-axis.
543 * @param [in] scaleY The scale factor applied along the y-axis.
544 * @param [in] scaleZ The scale factor applied along the z-axis.
546 void SetScale(float scaleX, float scaleY, float scaleZ);
549 * Sets a scale factor applied to an actor.
550 * @param [in] scale A vector representing the scale factor for each axis.
552 void SetScale(const Vector3& scale);
555 * Set the x component of the scale factor.
556 * @param [in] x The new x value.
558 void SetScaleX( float x );
561 * Set the y component of the scale factor.
562 * @param [in] y The new y value.
564 void SetScaleY( float y );
567 * Set the z component of the scale factor.
568 * @param [in] z The new z value.
570 void SetScaleZ( float z );
573 * Apply a relative scale to an actor.
574 * @param[in] relativeScale The scale to combine with the actors existing scale.
576 void ScaleBy(const Vector3& relativeScale);
579 * Retrieve the scale factor applied to an actor.
580 * @return A vector representing the scale factor for each axis.
582 const Vector3& GetCurrentScale() const;
585 * @copydoc Dali::Actor::GetCurrentWorldScale()
587 const Vector3& GetCurrentWorldScale() const;
590 * @copydoc Dali::Actor::SetInheritScale()
592 void SetInheritScale( bool inherit );
595 * @copydoc Dali::Actor::IsScaleInherited()
597 bool IsScaleInherited() const;
600 * @copydoc Dali::Actor::GetCurrentWorldMatrix()
602 Matrix GetCurrentWorldMatrix() const;
607 * Sets the visibility flag of an actor.
608 * @param [in] visible The new visibility flag.
610 void SetVisible(bool visible);
613 * Retrieve the visibility flag of an actor.
614 * @return The visibility flag.
616 bool IsVisible() const;
619 * Sets the opacity of an actor.
620 * @param [in] opacity The new opacity.
622 void SetOpacity(float opacity);
625 * Apply a relative opacity change to an actor.
626 * @param[in] relativeOpacity The opacity to combine with the actors existing opacity.
628 void OpacityBy(float relativeOpacity);
631 * Retrieve the actor's opacity.
632 * @return The actor's opacity.
634 float GetCurrentOpacity() const;
637 * Sets whether an actor should emit touch or hover signals; see SignalTouch() and SignalHover().
638 * An actor is sensitive by default, which means that as soon as an application connects to the SignalTouch(),
639 * the touch event signal will be emitted, and as soon as an application connects to the SignalHover(), the
640 * hover event signal will be emitted.
642 * If the application wishes to temporarily disable the touch or hover event signal emission, then they can do so by calling:
644 * actor.SetSensitive(false);
647 * Then, to re-enable the touch or hover event signal emission, the application should call:
649 * actor.SetSensitive(true);
652 * @see SignalTouch() and SignalHover().
653 * @note If an actor's sensitivity is set to false, then it's children will not emit a touch or hover event signal either.
654 * @param[in] sensitive true to enable emission of the touch or hover event signals, false otherwise.
656 void SetSensitive(bool sensitive)
658 mSensitive = sensitive;
662 * Query whether an actor emits touch or hover event signals.
663 * @see SetSensitive(bool)
664 * @return true, if emission of touch or hover event signals is enabled, false otherwise.
666 bool IsSensitive() const
672 * @copydoc Dali::Actor::SetDrawMode
674 void SetDrawMode( DrawMode::Type drawMode );
677 * @copydoc Dali::Actor::GetDrawMode
679 DrawMode::Type GetDrawMode() const;
682 * @copydoc Dali::Actor::SetOverlay
684 void SetOverlay(bool enable);
687 * @copydoc Dali::Actor::IsOverlay
689 bool IsOverlay() const;
692 * Sets whether an actor transmits geometry scaling to it's children.
693 * The default value is for it not to transmit scaling.
694 * @param[in] transmitGeometryScaling True to transmit scaling.
696 void SetTransmitGeometryScaling(bool transmitGeometryScaling);
699 * Get the TransmitGeometryScaling property for this actor.
700 * @return True if geometry scaling is applied to the inherited scale.
702 bool GetTransmitGeometryScaling() const;
705 * Sets the initial volume of the actor. Used for scaling the
706 * actor appropriately as the actor is sized when transmitGeometryScaling
709 * @param[in] volume the volume of the model and it's children
711 void SetInitialVolume(const Vector3& volume);
714 * Sets the actor's color. The final color of actor depends on its color mode.
715 * This final color is applied to the drawable elements of an actor.
716 * @param [in] color The new color.
718 void SetColor(const Vector4& color);
721 * Set the red component of the color.
722 * @param [in] red The new red component.
724 void SetColorRed( float red );
727 * Set the green component of the color.
728 * @param [in] green The new green component.
730 void SetColorGreen( float green );
733 * Set the blue component of the scale factor.
734 * @param [in] blue The new blue value.
736 void SetColorBlue( float blue );
739 * Apply a relative color change to an actor.
740 * @param[in] relativeColor The color to combine with the actors existing color.
742 void ColorBy(const Vector4& relativeColor);
745 * Retrieve the actor's color.
748 const Vector4& GetCurrentColor() const;
751 * Sets the actor's color mode.
752 * Color mode specifies whether Actor uses its own color or inherits its parent color
753 * @param [in] colorMode to use.
755 void SetColorMode(ColorMode colorMode);
758 * Returns the actor's color mode.
759 * @return currently used colorMode.
761 ColorMode GetColorMode() const;
764 * @copydoc Dali::Actor::GetCurrentWorldColor()
766 const Vector4& GetCurrentWorldColor() const;
768 #ifdef DYNAMICS_SUPPORT
772 /// @copydoc Dali::Actor::DisableDynamics
773 void DisableDynamics();
775 /// @copydoc Dali::Actor::EnableDynamics(Dali::DynamicsBodyConfig)
776 DynamicsBodyPtr EnableDynamics(DynamicsBodyConfigPtr bodyConfig);
778 /// @copydoc Dali::Actor::GetDynamicsBody
779 DynamicsBodyPtr GetDynamicsBody() const;
781 /// @copydoc Dali::Actor::AddDynamicsJoint(Dali::Actor,const Vector3&)
782 DynamicsJointPtr AddDynamicsJoint( ActorPtr attachedActor, const Vector3& offset );
784 /// @copydoc Dali::Actor::AddDynamicsJoint(Dali::Actor,const Vector3&,const Vector3&)
785 DynamicsJointPtr AddDynamicsJoint( ActorPtr attachedActor, const Vector3& offsetA, const Vector3& offsetB );
787 /// @copydoc Dali::Actor::GetNumberOfJoints
788 const int GetNumberOfJoints() const;
790 /// @copydoc Dali::Actor::GetDynamicsJointByIndex
791 DynamicsJointPtr GetDynamicsJointByIndex( const int index ) const;
793 /// @copydoc Dali::Actor::GetDynamicsJoint
794 DynamicsJointPtr GetDynamicsJoint( ActorPtr attachedActor ) const;
796 /// @copydoc Dali::Actor::RemoveDynamicsJoint
797 void RemoveDynamicsJoint( DynamicsJointPtr joint );
800 * Hold a reference to a DynamicsJoint
801 * @param[in] joint The joint
803 void ReferenceJoint( DynamicsJointPtr joint );
806 * Release a reference to a DynamicsJoint
807 * @param[in] joint The joint
809 void ReleaseJoint( DynamicsJointPtr joint );
812 * Set this actor to be the root actor in the dynamics simulation
813 * All children of the actor are added/removed from the simulation.
814 * @param[in] flag When true sets this actor to be the simulation world root actor and
815 * if OnStage() all dynamics enabled child actors are added to the simulation,
816 * when false stops this actor being the simulation root and if OnStage() all
817 * dynamics enabled child actors are removed from the simulation.
819 void SetDynamicsRoot(bool flag);
823 * Check if this actor is the root actor in the dynamics simulation
824 * @return true if this is the dynamics root actor.
826 bool IsDynamicsRoot() const;
829 * Add actor to the dynamics simulation
830 * Invoked when the actor is staged, or it's parent becomes the simulation root
832 void ConnectDynamics();
835 * Remove actor from the dynamics simulation
836 * Invoked when the actor is unstaged, or it's parent stops being the the simulation root
838 void DisconnectDynamics();
841 * An actor in a DynamicsJoint relationship has been staged
842 * @param[in] actor The actor passed into AddDynamicsJoint()
844 void AttachedActorOnStage( Dali::Actor actor );
847 * An actor in a DynamicsJoint relationship has been unstaged
848 * @param[in] actor The actor passed into AddDynamicsJoint()
850 void AttachedActorOffStage( Dali::Actor actor );
852 #endif // DYNAMICS_SUPPORT
856 * Converts screen coordinates into the actor's coordinate system.
857 * @note The actor coordinates are relative to the top-left (0.0, 0.0, 0.5)
858 * @param[out] localX On return, the X-coordinate relative to the actor.
859 * @param[out] localY On return, the Y-coordinate relative to the actor.
860 * @param[in] screenX The screen X-coordinate.
861 * @param[in] screenY The screen Y-coordinate.
862 * @return True if the conversion succeeded.
864 bool ScreenToLocal(float& localX, float& localY, float screenX, float screenY) const;
867 * Converts screen coordinates into the actor's coordinate system.
868 * @note The actor coordinates are relative to the top-left (0.0, 0.0, 0.5)
869 * @param[in] renderTask The render-task used to display the actor.
870 * @param[out] localX On return, the X-coordinate relative to the actor.
871 * @param[out] localY On return, the Y-coordinate relative to the actor.
872 * @param[in] screenX The screen X-coordinate.
873 * @param[in] screenY The screen Y-coordinate.
874 * @return True if the conversion succeeded.
876 bool ScreenToLocal(RenderTask& renderTask, float& localX, float& localY, float screenX, float screenY) const;
879 * Converts from the actor's coordinate system to screen coordinates.
880 * @note The actor coordinates are relative to the top-left (0.0, 0.0, 0.5)
881 * @param[in] viewMatrix The view-matrix
882 * @param[in] projectionMatrix The projection-matrix
883 * @param[in] viewport The view-port
884 * @param[out] localX On return, the X-coordinate relative to the actor.
885 * @param[out] localY On return, the Y-coordinate relative to the actor.
886 * @param[in] screenX The screen X-coordinate.
887 * @param[in] screenY The screen Y-coordinate.
888 * @return True if the conversion succeeded.
890 bool ScreenToLocal( const Matrix& viewMatrix,
891 const Matrix& projectionMatrix,
892 const Viewport& viewport,
896 float screenY ) const;
899 * Performs a ray-sphere test with the given pick-ray and the actor's bounding sphere.
900 * @note The actor coordinates are relative to the top-left (0.0, 0.0, 0.5)
901 * @param[in] rayOrigin The ray origin in the world's reference system.
902 * @param[in] rayDir The ray director vector in the world's reference system.
903 * @return True if the ray intersects the actor's bounding sphere.
905 bool RaySphereTest( const Vector4& rayOrigin, const Vector4& rayDir ) const;
908 * Performs a ray-actor test with the given pick-ray and the actor's geometry.
909 * @note The actor coordinates are relative to the top-left (0.0, 0.0, 0.5)
910 * @param[in] rayOrigin The ray origin in the world's reference system.
911 * @param[in] rayDir The ray director vector in the world's reference system.
912 * @param[out] hitPointLocal The hit point in the Actor's local reference system.
913 * @param[out] distance The distance from the hit point to the camera.
914 * @return True if the ray intersects the actor's geometry.
916 bool RayActorTest( const Vector4& rayOrigin, const Vector4& rayDir, Vector4& hitPointLocal, float& distance ) const;
919 * Sets whether the actor should receive a notification when touch or hover motion events leave
920 * the boundary of the actor.
922 * @note By default, this is set to false as most actors do not require this.
923 * @note Need to connect to the SignalTouch or SignalHover to actually receive this event.
925 * @param[in] required Should be set to true if a Leave event is required
927 void SetLeaveRequired(bool required);
930 * This returns whether the actor requires touch or hover events whenever touch or hover motion events leave
931 * the boundary of the actor.
932 * @return true if a Leave event is required, false otherwise.
934 bool GetLeaveRequired() const;
937 * @copydoc Dali::Actor::SetKeyboardFocusable()
939 void SetKeyboardFocusable( bool focusable );
942 * @copydoc Dali::Actor::IsKeyboardFocusable()
944 bool IsKeyboardFocusable() const;
947 * Query whether the application or derived actor type requires touch events.
948 * @return True if touch events are required.
950 bool GetTouchRequired() const;
953 * Query whether the application or derived actor type requires hover events.
954 * @return True if hover events are required.
956 bool GetHoverRequired() const;
959 * Query whether the application or derived actor type requires mouse wheel events.
960 * @return True if mouse wheel events are required.
962 bool GetMouseWheelEventRequired() const;
965 * Query whether the actor is actually hittable. This method checks whether the actor is
966 * sensitive, has the visibility flag set to true and is not fully transparent.
967 * @return true, if it can be hit, false otherwise.
969 bool IsHittable() const;
974 * Retrieve the gesture data associated with this actor. The first call to this method will
975 * allocate space for the ActorGestureData so this should only be called if an actor really does
977 * @return Reference to the ActorGestureData for this actor.
978 * @note Once the gesture-data is created for an actor it is likely that gestures are required
979 * throughout the actor's lifetime so it will only be deleted when the actor is destroyed.
981 ActorGestureData& GetGestureData();
984 * Queries whether the actor requires the gesture type.
985 * @param[in] type The gesture type.
987 bool IsGestureRequred( Gesture::Type type ) const;
992 * Used by the EventProcessor to emit touch event signals.
993 * @param[in] event The touch event.
994 * @return True if the event was consumed.
996 bool EmitTouchEventSignal(const TouchEvent& event);
999 * Used by the EventProcessor to emit hover event signals.
1000 * @param[in] event The hover event.
1001 * @return True if the event was consumed.
1003 bool EmitHoverEventSignal(const HoverEvent& event);
1006 * Used by the EventProcessor to emit mouse wheel event signals.
1007 * @param[in] event The mouse wheel event.
1008 * @return True if the event was consumed.
1010 bool EmitMouseWheelEventSignal(const MouseWheelEvent& event);
1013 * @copydoc Dali::Actor::TouchedSignal()
1015 Dali::Actor::TouchSignalType& TouchedSignal();
1018 * @copydoc Dali::Actor::HoveredSignal()
1020 Dali::Actor::HoverSignalType& HoveredSignal();
1023 * @copydoc Dali::Actor::MouseWheelEventSignal()
1025 Dali::Actor::MouseWheelEventSignalType& MouseWheelEventSignal();
1028 * @copydoc Dali::Actor::OnStageSignal()
1030 Dali::Actor::OnStageSignalType& OnStageSignal();
1033 * @copydoc Dali::Actor::OffStageSignal()
1035 Dali::Actor::OffStageSignalType& OffStageSignal();
1038 * Connects a callback function with the object's signals.
1039 * @param[in] object The object providing the signal.
1040 * @param[in] tracker Used to disconnect the signal.
1041 * @param[in] signalName The signal to connect to.
1042 * @param[in] functor A newly allocated FunctorDelegate.
1043 * @return True if the signal was connected.
1044 * @post If a signal was connected, ownership of functor was passed to CallbackBase. Otherwise the caller is responsible for deleting the unused functor.
1046 static bool DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor );
1049 * Performs actions as requested using the action name.
1050 * @param[in] object The object on which to perform the action.
1051 * @param[in] actionName The action to perform.
1052 * @param[in] attributes The attributes with which to perfrom this action.
1053 * @return true if the action was done.
1055 static bool DoAction(BaseObject* object, const std::string& actionName, const std::vector<Property::Value>& attributes);
1057 public: // For Animation
1060 * This should only be called by Animation, when the actor is resized using Animation::Resize().
1062 * @param[in] animation The animation that resized the actor
1063 * @param[in] targetSize The new target size of the actor
1065 void NotifySizeAnimation( Animation& animation, const Vector3& targetSize);
1068 * For use in derived classes.
1069 * This should only be called by Animation, when the actor is resized using Animation::Resize().
1071 virtual void OnSizeAnimation( Animation& animation, const Vector3& targetSize) {}
1084 * Protected Constructor. See Actor::New().
1085 * The second-phase construction Initialize() member should be called immediately after this.
1086 * @param[in] derivedType The derived type of actor (if any).
1088 Actor( DerivedType derivedType );
1091 * Second-phase constructor. Must be called immediately after creating a new Actor;
1093 void Initialize(void);
1096 * A reference counted object may only be deleted by calling Unreference()
1101 * Called on a child during Add() when the parent actor is connected to the Stage.
1102 * @param[in] stage The stage.
1103 * @param[in] index If set, it is only used for positioning the actor within the parent's child list.
1105 void ConnectToStage( int index = -1 );
1108 * Helper for ConnectToStage, to recursively connect a tree of actors.
1109 * This is atomic i.e. not interrupted by user callbacks.
1110 * @param[in] index If set, it is only used for positioning the actor within the parent's child list.
1111 * @param[out] connectionList On return, the list of connected actors which require notification.
1113 void RecursiveConnectToStage( ActorContainer& connectionList, int index = -1 );
1116 * Connect the Node associated with this Actor to the scene-graph.
1117 * @param[in] index If set, it is only used for positioning the actor within the parent's child list.
1119 void ConnectToSceneGraph(int index = -1);
1122 * Helper for ConnectToStage, to notify a connected actor through the public API.
1124 void NotifyStageConnection();
1127 * Called on a child during Remove() when the actor was previously on the Stage.
1129 void DisconnectFromStage();
1132 * Helper for DisconnectFromStage, to recursively disconnect a tree of actors.
1133 * This is atomic i.e. not interrupted by user callbacks.
1134 * @param[out] disconnectionList On return, the list of disconnected actors which require notification.
1136 void RecursiveDisconnectFromStage( ActorContainer& disconnectionList );
1139 * Disconnect the Node associated with this Actor from the scene-graph.
1141 void DisconnectFromSceneGraph();
1144 * Helper for DisconnectFromStage, to notify a disconnected actor through the public API.
1146 void NotifyStageDisconnection();
1149 * When the Actor is OnStage, checks whether the corresponding Node is connected to the scene graph.
1150 * @return True if the Actor is OnStage & has a Node connected to the scene graph.
1152 bool IsNodeConnected() const;
1155 * Calculate the size of the z dimension for a 2D size
1157 * @param[in] size The 2D size (X, Y) to calculate Z from
1159 * @return Return the Z dimension for this size
1161 float CalculateSizeZ( const Vector2& size ) const;
1163 public: // Default property extensions from ProxyObject
1166 * @copydoc Dali::Internal::ProxyObject::GetDefaultPropertyCount()
1168 virtual unsigned int GetDefaultPropertyCount() const;
1171 * @copydoc Dali::Internal::ProxyObject::GetDefaultPropertyIndices()
1173 virtual void GetDefaultPropertyIndices( Property::IndexContainer& indices ) const;
1176 * @copydoc Dali::Internal::ProxyObject::GetDefaultPropertyName()
1178 virtual const char* GetDefaultPropertyName(Property::Index index) const;
1181 * @copydoc Dali::Internal::ProxyObject::GetDefaultPropertyIndex()
1183 virtual Property::Index GetDefaultPropertyIndex(const std::string& name) const;
1186 * @copydoc Dali::Internal::ProxyObject::IsDefaultPropertyWritable()
1188 virtual bool IsDefaultPropertyWritable(Property::Index index) const;
1191 * @copydoc Dali::Internal::ProxyObject::IsDefaultPropertyAnimatable()
1193 virtual bool IsDefaultPropertyAnimatable(Property::Index index) const;
1196 * @copydoc Dali::Internal::ProxyObject::IsDefaultPropertyAConstraintInput()
1198 virtual bool IsDefaultPropertyAConstraintInput( Property::Index index ) const;
1201 * @copydoc Dali::Internal::ProxyObject::GetDefaultPropertyType()
1203 virtual Property::Type GetDefaultPropertyType(Property::Index index) const;
1206 * @copydoc Dali::Internal::ProxyObject::SetDefaultProperty()
1208 virtual void SetDefaultProperty(Property::Index index, const Property::Value& propertyValue);
1211 * @copydoc Dali::Internal::ProxyObject::SetSceneGraphProperty()
1213 virtual void SetSceneGraphProperty( Property::Index index, const CustomProperty& entry, const Property::Value& value );
1216 * @copydoc Dali::Internal::ProxyObject::GetDefaultProperty()
1218 virtual Property::Value GetDefaultProperty( Property::Index index ) const;
1221 * @copydoc Dali::Internal::ProxyObject::GetPropertyOwner()
1223 virtual const SceneGraph::PropertyOwner* GetPropertyOwner() const;
1226 * @copydoc Dali::Internal::ProxyObject::GetSceneObject()
1228 virtual const SceneGraph::PropertyOwner* GetSceneObject() const;
1231 * @copydoc Dali::Internal::ProxyObject::GetSceneObjectAnimatableProperty()
1233 virtual const SceneGraph::PropertyBase* GetSceneObjectAnimatableProperty( Property::Index index ) const;
1236 * @copydoc Dali::Internal::ProxyObject::GetSceneObjectInputProperty()
1238 virtual const PropertyInputImpl* GetSceneObjectInputProperty( Property::Index index ) const;
1241 * @copydoc Dali::Internal::ProxyObject::GetPropertyComponentIndex()
1243 virtual int GetPropertyComponentIndex( Property::Index index ) const;
1251 Actor(const Actor&);
1254 Actor& operator=(const Actor& rhs);
1257 * Set the actors parent.
1258 * @param[in] parent The new parent.
1259 * @param[in] index If set, it is only used for positioning the actor within the parent's child list.
1261 void SetParent(Actor* parent, int index = -1);
1264 * Helper to create a Node for this Actor.
1265 * To be overriden in derived classes.
1266 * @return A newly allocated node.
1268 virtual SceneGraph::Node* CreateNode() const;
1271 * For use in derived classes, called after Initialize()
1273 virtual void OnInitialize() {}
1276 * For use in internal derived classes.
1277 * This is called during ConnectToStage(), after the actor has finished adding its node to the scene-graph.
1278 * The derived class must not modify the actor hierachy (Add/Remove children) during this callback.
1280 virtual void OnStageConnectionInternal() {}
1283 * For use in internal derived classes.
1284 * This is called during DisconnectFromStage(), before the actor removes its node from the scene-graph.
1285 * The derived class must not modify the actor hierachy (Add/Remove children) during this callback.
1287 virtual void OnStageDisconnectionInternal() {}
1290 * For use in external (CustomActor) derived classes.
1291 * This is called after the atomic ConnectToStage() traversal has been completed.
1293 virtual void OnStageConnectionExternal() {}
1296 * For use in external (CustomActor) derived classes.
1297 * This is called after the atomic DisconnectFromStage() traversal has been completed.
1299 virtual void OnStageDisconnectionExternal() {}
1302 * For use in derived classes; this is called after Add() has added a child.
1303 * @param[in] child The child that was added.
1305 virtual void OnChildAdd( Actor& child ) {}
1308 * For use in derived classes; this is called after Remove() has removed a child.
1309 * @param[in] child The child that was removed.
1311 virtual void OnChildRemove( Actor& child ) {}
1314 * For use in derived classes.
1315 * This is called after SizeSet() has been called.
1317 virtual void OnSizeSet(const Vector3& targetSize) {}
1320 * For use in derived classes.
1321 * This is only called if mDerivedRequiresTouch is true, and the touch-signal was not consumed.
1322 * @param[in] event The touch event.
1323 * @return True if the event should be consumed.
1325 virtual bool OnTouchEvent(const TouchEvent& event) { return false; }
1328 * For use in derived classes.
1329 * This is only called if mDerivedRequiresHover is true, and the hover-signal was not consumed.
1330 * @param[in] event The hover event.
1331 * @return True if the event should be consumed.
1333 virtual bool OnHoverEvent(const HoverEvent& event) { return false; }
1336 * For use in derived classes.
1337 * This is only called if the mouse wheel signal was not consumed.
1338 * @param[in] event The mouse event.
1339 * @return True if the event should be consumed.
1341 virtual bool OnMouseWheelEvent(const MouseWheelEvent& event) { return false; }
1344 * For use in derived class
1345 * If an alias for a child exists, return the child otherwise return an empty handle.
1346 * For example 'previous' could return the last selected child.
1347 * @pre The Actor has been initialized.
1348 * @param[in] actorAlias the name of the actor to find
1349 * @return A handle to the actor if found, or an empty handle if not.
1351 virtual Dali::Actor GetChildByAlias(const std::string& actorAlias) { return Dali::Actor(); }
1354 * Support function for FindChildByAlias
1355 * @pre The Actor has been initialized.
1356 * @param[in] actorAlias the name of the aliased actor to find
1357 * @return A handle to the actor if found, or an empty handle if not.
1359 Dali::Actor DoGetChildByAlias(const std::string& actorAlias);
1363 StagePtr mStage; ///< Used to send messages to Node; valid until Core destruction
1364 Actor* mParent; ///< Each actor (except the root) can have one parent
1365 ActorContainer* mChildren; ///< Container of referenced actors
1366 const SceneGraph::Node* mNode; ///< Not owned
1367 Vector3* mParentOrigin; ///< NULL means ParentOrigin::DEFAULT. ParentOrigin is non-animatable
1368 Vector3* mAnchorPoint; ///< NULL means AnchorPoint::DEFAULT. AnchorPoint is non-animatable
1370 #ifdef DYNAMICS_SUPPORT
1371 DynamicsData* mDynamicsData; ///< optional physics data
1374 ActorGestureData* mGestureData; ///< Optional Gesture data. Only created when actor requires gestures
1376 ActorAttachmentPtr mAttachment; ///< Optional referenced attachment
1379 Dali::Actor::TouchSignalType mTouchedSignal;
1380 Dali::Actor::HoverSignalType mHoveredSignal;
1381 Dali::Actor::MouseWheelEventSignalType mMouseWheelEventSignal;
1382 Dali::Actor::OnStageSignalType mOnStageSignal;
1383 Dali::Actor::OffStageSignalType mOffStageSignal;
1385 Vector3 mSize; ///< Event-side storage for size (not a pointer as most actors will have a size)
1386 Vector3 mSizeModeFactor; ///< Factor of parent size used for certain SizeModes.
1388 std::string mName; ///< Name of the actor
1389 unsigned int mId; ///< A unique ID to identify the actor starting from 1, and 0 is reserved
1391 const bool mIsRoot : 1; ///< Flag to identify the root actor
1392 const bool mIsRenderable : 1; ///< Flag to identify that this is a renderable actor
1393 const bool mIsLayer : 1; ///< Flag to identify that this is a layer
1394 bool mIsOnStage : 1; ///< Flag to identify whether the actor is on-stage
1395 bool mIsDynamicsRoot : 1; ///< Flag to identify if this is the dynamics world root
1396 bool mSensitive : 1; ///< Whether the actor emits touch event signals
1397 bool mLeaveRequired : 1; ///< Whether a touch event signal is emitted when the a touch leaves the actor's bounds
1398 bool mKeyboardFocusable : 1; ///< Whether the actor should be focusable by keyboard navigation
1399 bool mDerivedRequiresTouch : 1; ///< Whether the derived actor type requires touch event signals
1400 bool mDerivedRequiresHover : 1; ///< Whether the derived actor type requires hover event signals
1401 bool mDerivedRequiresMouseWheelEvent : 1; ///< Whether the derived actor type requires mouse wheel event signals
1402 bool mOnStageSignalled : 1; ///< Set to true before OnStageConnection signal is emitted, and false before OnStageDisconnection
1403 bool mInheritRotation : 1; ///< Cached: Whether the parent's rotation should be inherited.
1404 bool mInheritScale : 1; ///< Cached: Whether the parent's scale should be inherited.
1405 DrawMode::Type mDrawMode : 2; ///< Cached: How the actor and its children should be drawn
1406 PositionInheritanceMode mPositionInheritanceMode : 2; ///< Cached: Determines how position is inherited
1407 ColorMode mColorMode : 2; ///< Cached: Determines whether mWorldColor is inherited
1408 SizeMode mSizeMode : 2; ///< Cached: Determines how the actors parent affects the actors size.
1412 static ActorContainer mNullChildren; ///< Empty container (shared by all actors, returned by GetChildren() const)
1413 static unsigned int mActorCounter; ///< A counter to track the actor instance creation
1417 } // namespace Internal
1419 // Helpers for public-api forwarding methods
1421 inline Internal::Actor& GetImplementation(Dali::Actor& actor)
1423 DALI_ASSERT_ALWAYS(actor && "Actor handle is empty");
1425 BaseObject& handle = actor.GetBaseObject();
1427 return static_cast<Internal::Actor&>(handle);
1430 inline const Internal::Actor& GetImplementation(const Dali::Actor& actor)
1432 DALI_ASSERT_ALWAYS(actor && "Actor handle is empty");
1434 const BaseObject& handle = actor.GetBaseObject();
1436 return static_cast<const Internal::Actor&>(handle);
1441 #endif // __DALI_INTERNAL_ACTOR_H__