#define __DALI_TOOLKIT_SCROLLABLE_H__
/*
- * Copyright (c) 2014 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2015 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
{
class Scrollable;
}
-
-/**
- * @brief How axes/rotation or scale are clamped
- */
-enum ClampState
-{
- NotClamped, ///< The quantity isn't clamped
- ClampedToMin, ///< The quantity is clamped to the min value
- ClampedToMax ///< The quantity is clamped to the max value
-};
-
-/**
- * @brief A 2 dimensional clamp
- */
-struct ClampState2
-{
- ClampState x; ///< The clamp state of the x axis
- ClampState y; ///< The clamp state of the y axis
-};
-
/**
- * @brief A 3 dimensional clamp
+ * @addtogroup dali_toolkit_controls_scrollable
+ * @{
*/
-struct ClampState3
-{
- ClampState x; ///< The clamp state of the x axis
- ClampState y; ///< The clamp state of the y axis
- ClampState z; ///< The clamp state of the z axis
-};
/**
* @brief Base class for derived Scrollables that contains actors that can be scrolled manually
* (via touch) or automatically.
*
* Scrollables such as ScrollView and ItemView can be derived from this class.
+ *
+ * Signals
+ * | %Signal Name | Method |
+ * |------------------|------------------------------|
+ * | scrollStarted | @ref ScrollStartedSignal() |
+ * | scrollCompleted | @ref ScrollCompletedSignal() |
+ * | scrollUpdated | @ref ScrollUpdatedSignal() |
+ * @SINCE_1_0.0
*/
class DALI_IMPORT_API Scrollable : public Control
{
public:
/**
- * @brief Clamp signal event's data
+ * @brief Enumeration for the start and end property ranges for this control.
+ * @SINCE_1_0.0
*/
- struct ClampEvent
+ enum PropertyRange
{
- ClampState3 scale; ///< Clamp information for scale axes
- ClampState3 position; ///< Clamp information for position axes
- ClampState rotation; ///< Clamp information for rotation
+ PROPERTY_START_INDEX = Control::CONTROL_PROPERTY_END_INDEX + 1, ///< @SINCE_1_0.0
+ PROPERTY_END_INDEX = PROPERTY_START_INDEX + 1000, ///< Reserve property indices @SINCE_1_0.0
+
+ ANIMATABLE_PROPERTY_START_INDEX = ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX,
+ ANIMATABLE_PROPERTY_END_INDEX = ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX + 1000 ///< Reserve animatable property indices @SINCE_1_0.0
};
/**
- * @brief Scroll component types
+ * @brief Enumeration for the instance of properties belonging to the Scrollable class.
+ * @SINCE_1_0.0
*/
- enum ScrollComponentType
+ struct Property
{
- HorizontalScrollBar,
- VerticalScrollBar,
- OvershootIndicator,
+ /**
+ * @brief Enumeration for the instance of properties belonging to the Scrollable class.
+ * @SINCE_1_0.0
+ */
+ enum
+ {
+ // Event side properties
+ OVERSHOOT_EFFECT_COLOR = PROPERTY_START_INDEX, ///< Property, name "overshootEffectColor", @see SetOvershootEffectColor(), type Vector4 @SINCE_1_0.0
+ OVERSHOOT_ANIMATION_SPEED, ///< Property, name "overshootAnimationSpeed", @see SetOvershootAnimationSpeed(), type float @SINCE_1_0.0
+ OVERSHOOT_ENABLED, ///< Property, name "overshootEnabled", @see SetOvershootEnabled(), type bool, @SINCE_1_1.18
+ OVERSHOOT_SIZE, ///< Property, name "overshootSize", type Vector2, @SINCE_1_1.31
+ SCROLL_TO_ALPHA_FUNCTION, ///< Property, name "scrollToAlphaFunction", type int, @SINCE_1_1.33
+
+ // Animatable properties
+ SCROLL_RELATIVE_POSITION = ANIMATABLE_PROPERTY_START_INDEX, ///< Property, name "scrollRelativePosition", type Vector2 @SINCE_1_0.0
+ SCROLL_POSITION_MIN, ///< Property, name "scrollPositionMin", type Vector2 @SINCE_1_0.0
+ SCROLL_POSITION_MIN_X, ///< Property, name "scrollPositionMinX", type float @SINCE_1_0.0
+ SCROLL_POSITION_MIN_Y, ///< Property, name "scrollPositionMinY", type float @SINCE_1_0.0
+ SCROLL_POSITION_MAX, ///< Property, name "scrollPositionMax", type Vector2 @SINCE_1_0.0
+ SCROLL_POSITION_MAX_X, ///< Property, name "scrollPositionMaxX", type float @SINCE_1_0.0
+ SCROLL_POSITION_MAX_Y, ///< Property, name "scrollPositionMaxY", type float @SINCE_1_0.0
+ CAN_SCROLL_VERTICAL, ///< Property, name "canScrollVertical", type bool @SINCE_1_0.0
+ CAN_SCROLL_HORIZONTAL ///< Property, name "canScrollHorizontal", type bool @SINCE_1_0.0
+ };
};
- // Custom properties
-
- static const std::string SCROLL_RELATIVE_POSITION_PROPERTY_NAME; ///< Property, name "scroll-relative-position", type VECTOR3
- static const std::string SCROLL_POSITION_MIN_PROPERTY_NAME; ///< Property, name "scroll-position-min", type VECTOR3
- static const std::string SCROLL_POSITION_MAX_PROPERTY_NAME; ///< Property, name "scroll-position-max", type VECTOR3
- static const std::string SCROLL_DIRECTION_PROPERTY_NAME; ///< Property, name "scroll-direction", type VECTOR2
+ // Typedefs
- /// @name Properties
- /** @{ */
- static const Property::Index PROPERTY_OVERSHOOT_EFFECT_COLOR; ///< Property, name "overshoot-effect-color", @see SetOvershootEffectColor(), type VECTOR4
- static const Property::Index PROPERTY_OVERSHOOT_ANIMATION_SPEED; ///< Property, name "overshoot-animation-speed", @see SetOvershootAnimationSpeed(), type FLOAT
- /** @} */
-
- /// @name Signals
- /** @{ */
- static const char* const SIGNAL_SCROLL_STARTED; ///< "scroll-started";
- static const char* const SIGNAL_SCROLL_COMPLETED; ///< "scroll-completed";
- static const char* const SIGNAL_SCROLL_UPDATED; ///< "scroll-updated";
- static const char* const SIGNAL_SCROLL_CLAMPED; ///< "scroll-clamped";
- /** @} */
-
-public:
-
- typedef Signal< void ( const Vector3& ) > ScrollStartedSignalType; ///< ScrollStarted signal type
- typedef Signal< void ( const Vector3& ) > ScrollCompletedSignalType; ///< ScrollCompleted signal type
- typedef Signal< void ( const Vector3& ) > ScrollUpdatedSignalType; ///< Scroll updated signal type
- typedef Signal< void ( const ClampEvent& ) > ScrollClampedSignalType; ///< Scroll clamped signal type
-
- /**
- * @brief Signal emitted when the Scrollable has moved (whether by touch or animation).
- */
- ScrollStartedSignalType& ScrollStartedSignal();
-
- /**
- * @brief Signal emitted when the Scrollable has moved (whether by touch or animation).
- */
- ScrollUpdatedSignalType& ScrollUpdatedSignal();
-
- /**
- * @brief Signal emitted when the Scrollable has completed movement (whether by touch or animation).
- */
- ScrollCompletedSignalType& ScrollCompletedSignal();
-
- /**
- * @brief Signal emitted when the Scrollable is pushing against a domain boundary
- * (in either position, scale, or rotation).
- *
- * @return The signal to connect to
- */
- ScrollClampedSignalType& ScrollClampedSignal();
+ typedef Signal< void ( const Vector2& ) > ScrollStartedSignalType; ///< ScrollStarted signal type @SINCE_1_0.0
+ typedef Signal< void ( const Vector2& ) > ScrollCompletedSignalType; ///< ScrollCompleted signal type @SINCE_1_0.0
+ typedef Signal< void ( const Vector2& ) > ScrollUpdatedSignalType; ///< Scroll updated signal type @SINCE_1_0.0
public:
/**
* @brief Creates an uninitialized Scrollable handle.
+ * @SINCE_1_0.0
*/
Scrollable();
/**
* @brief Copy constructor.
*
- * Creates another handle that points to the same real object
+ * Creates another handle that points to the same real object.
*
+ * @SINCE_1_0.0
* @param handle to copy from
*/
Scrollable( const Scrollable& handle );
/**
* @brief Assignment operator.
*
- * Changes this handle to point to another real object
- * @param[in] handle to copy from
+ * Changes this handle to point to another real object.
+ * @SINCE_1_0.0
+ * @param[in] handle Handle to copy from
* @return A reference to this
*/
Scrollable& operator=( const Scrollable& handle );
/**
- * @brief Destructor
+ * @brief Destructor.
*
* This is non-virtual since derived Handle types must not contain data or virtual methods.
+ * @SINCE_1_0.0
*/
~Scrollable();
/**
- * @brief Downcast an Object handle to Scrollable.
+ * @brief Downcasts a handle to Scrollable handle.
*
- * If handle points to a Scrollable the downcast produces valid
- * handle. If not the returned handle is left uninitialized.
+ * If handle points to a Scrollable, the downcast produces valid handle.
+ * If not, the returned handle is left uninitialized.
*
+ * @SINCE_1_0.0
* @param[in] handle Handle to an object
- * @return handle to a Scrollable or an uninitialized handle
+ * @return A handle to a Scrollable or an uninitialized handle
*/
static Scrollable DownCast( BaseHandle handle );
/**
- * @brief Checks if a ScrollComponent has been enabled or not.
- *
- * @param[in] type The Scroll Component Type to check
- * @return True (if Enabled)
- */
- bool IsScrollComponentEnabled(Scrollable::ScrollComponentType type) const;
-
- /**
- * @brief Enables a ScrollComponent.
+ * @brief Checks if scroll overshoot has been enabled or not.
*
- * @param[in] type The Scroll Component Type to enable
+ * @SINCE_1_0.0
+ * @return Whether the scroll overshoot is enabled
*/
- void EnableScrollComponent(Scrollable::ScrollComponentType type);
+ bool IsOvershootEnabled() const;
/**
- * @brief Disables a ScrollComponent.
+ * @brief Sets whether to enables or disable scroll overshoot.
*
- * @param[in] type The Scroll Component Type to disable
+ * @SINCE_1_0.0
+ * @param[in] enable Whether to enable the scroll overshoot or not
*/
- void DisableScrollComponent(Scrollable::ScrollComponentType type);
+ void SetOvershootEnabled(bool enable);
/**
- * @brief Set the color of the overshoot effect.
+ * @brief Sets the color of the overshoot effect.
*
- * @param[in] color The color of the overshoot effect.
+ * @SINCE_1_0.0
+ * @param[in] color The color of the overshoot effect
*/
void SetOvershootEffectColor( const Vector4& color );
/**
- * @brief Get the color of the overshoot effect.
- * @return The color of the overshoot effect.
+ * @brief Gets the color of the overshoot effect.
+ * @SINCE_1_0.0
+ * @return The color of the overshoot effect
*/
Vector4 GetOvershootEffectColor() const;
/**
- * @brief Set the speed of overshoot animation in pixels per second.
+ * @brief Sets the speed of overshoot animation in pixels per second.
+ *
* When the speed is not greater than 0, the overshoot is set instantly with no animation.
- * @param[in] pixelsPerSecond The speed of the overshoot animation.
+ * @SINCE_1_0.0
+ * @param[in] pixelsPerSecond The speed of the overshoot animation
*/
void SetOvershootAnimationSpeed( float pixelsPerSecond );
/**
- * @brief Get the speed of overshoot animation in pixels per second.
- * @return The speed of the overshoot animation.
+ * @brief Gets the speed of overshoot animation in pixels per second.
+ * @SINCE_1_0.0
+ * @return The speed of the overshoot animation
*/
float GetOvershootAnimationSpeed() const;
+public: // Signals
+
+ /**
+ * @brief Signal emitted when the Scrollable has moved (whether by touch or animation).
+ *
+ * A callback of the following type may be connected:
+ * @code
+ * void YourCallbackName(const Vector2& currentScrollPosition);
+ * @endcode
+ * @SINCE_1_0.0
+ * @return The signal to connect to
+ * @pre The Object has been initialized.
+ */
+ ScrollStartedSignalType& ScrollStartedSignal();
+
+ /**
+ * @brief Signal emitted when the Scrollable has moved (whether by touch or animation).
+ *
+ * A callback of the following type may be connected:
+ * @code
+ * void YourCallbackName(const Vector2& currentScrollPosition);
+ * @endcode
+ * @SINCE_1_0.0
+ * @return The signal to connect to
+ * @pre The Object has been initialized.
+ */
+ ScrollUpdatedSignalType& ScrollUpdatedSignal();
+
+ /**
+ * @brief Signal emitted when the Scrollable has completed movement (whether by touch or animation).
+ *
+ * A callback of the following type may be connected:
+ * @code
+ * void YourCallbackName(const Vector2& currentScrollPosition);
+ * @endcode
+ * @SINCE_1_0.0
+ * @return The signal to connect to
+ * @pre The Object has been initialized.
+ */
+ ScrollCompletedSignalType& ScrollCompletedSignal();
+
public: // Not intended for application developers
+ /// @cond internal
/**
* @brief Creates a handle using the Toolkit::Internal implementation.
*
- * @param[in] implementation The Control implementation.
+ * @SINCE_1_0.0
+ * @param[in] implementation The Control implementation
*/
DALI_INTERNAL Scrollable(Internal::Scrollable& implementation);
/**
* @brief Allows the creation of this Control from an Internal::CustomActor pointer.
*
- * @param[in] internal A pointer to the internal CustomActor.
+ * @SINCE_1_0.0
+ * @param[in] internal A pointer to the internal CustomActor
*/
explicit DALI_INTERNAL Scrollable( Dali::Internal::CustomActor* internal );
+ /// @endcond
};
+/**
+ * @}
+ */
} // namespace Toolkit
} // namespace Dali