#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
* Scrollables such as ScrollView and ItemView can be derived from this class.
*
* Signals
- * | %Signal Name | Method |
- * |-------------------|------------------------------|
- * | scroll-started | @ref ScrollStartedSignal() |
- * | scroll-completed | @ref ScrollUpdatedSignal() |
- * | scroll-updated | @ref ScrollCompletedSignal() |
- * | scroll-clamped | @ref ScrollClampedSignal() |
+ * | %Signal Name | Method |
+ * |------------------|------------------------------|
+ * | scrollStarted | @ref ScrollStartedSignal() |
+ * | scrollCompleted | @ref ScrollUpdatedSignal() |
+ * | scrollUpdated | @ref ScrollCompletedSignal() |
*/
class DALI_IMPORT_API Scrollable : public Control
{
public:
/**
- * @brief Clamp signal event's data
+ * @brief The start and end property ranges for this control.
*/
- 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,
+ PROPERTY_END_INDEX = PROPERTY_START_INDEX + 1000, ///< Reserve property indices
+
+ ANIMATABLE_PROPERTY_START_INDEX = ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX,
+ ANIMATABLE_PROPERTY_END_INDEX = ANIMATABLE_PROPERTY_REGISTRATION_START_INDEX + 1000 ///< Reserve animatable property indices
};
/**
- * @brief Scroll component types
+ * @brief An enumeration of properties belonging to the Scrollable class.
*/
- enum ScrollComponentType
+ struct Property
{
- HorizontalScrollBar,
- VerticalScrollBar,
- OvershootIndicator,
+ enum
+ {
+ // Event side properties
+ OVERSHOOT_EFFECT_COLOR = PROPERTY_START_INDEX, ///< Property, name "overshootEffectColor", @see SetOvershootEffectColor(), type Vector4
+ OVERSHOOT_ANIMATION_SPEED, ///< Property, name "overshootAnimationSpeed", @see SetOvershootAnimationSpeed(), type float
+
+ // Animatable properties
+ SCROLL_RELATIVE_POSITION = ANIMATABLE_PROPERTY_START_INDEX, ///< Property, name "scrollRelativePosition", type Vector2
+ SCROLL_POSITION_MIN, ///< Property, name "scrollPositionMin", type Vector2
+ SCROLL_POSITION_MIN_X, ///< Property, name "scrollPositionMinX", type float
+ SCROLL_POSITION_MIN_Y, ///< Property, name "scrollPositionMinY", type float
+ SCROLL_POSITION_MAX, ///< Property, name "scrollPositionMax", type Vector2
+ SCROLL_POSITION_MAX_X, ///< Property, name "scrollPositionMaxX", type float
+ SCROLL_POSITION_MAX_Y, ///< Property, name "scrollPositionMaxY", type float
+ CAN_SCROLL_VERTICAL, ///< Property, name "canScrollVertical", type bool
+ CAN_SCROLL_HORIZONTAL ///< Property, name "canScrollHorizontal", type bool
+ };
};
- // 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
-
- /// @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
- /** @} */
-
-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();
+ // Typedefs
- /**
- * @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
+ typedef Signal< void ( const Vector2& ) > ScrollCompletedSignalType; ///< ScrollCompleted signal type
+ typedef Signal< void ( const Vector2& ) > ScrollUpdatedSignalType; ///< Scroll updated signal type
public:
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
+ * @return Whether the scroll obvershoot 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
+ * @param[in] enable Whether to enable the scroll obvershoot or not
*/
- void DisableScrollComponent(Scrollable::ScrollComponentType type);
+ void SetOvershootEnabled(bool enable);
/**
* @brief Set the color of the overshoot effect.
*/
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
+ * @pre The Object has been initialized.
+ * @return The signal to connect to.
+ */
+ 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
+ * @pre The Object has been initialized.
+ * @return The signal to connect to.
+ */
+ 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
+ * @pre The Object has been initialized.
+ * @return The signal to connect to.
+ */
+ ScrollCompletedSignalType& ScrollCompletedSignal();
+
public: // Not intended for application developers
/**
explicit DALI_INTERNAL Scrollable( Dali::Internal::CustomActor* internal );
};
+/**
+ * @}
+ */
} // namespace Toolkit
} // namespace Dali
projects / platform / core / uifw / dali-toolkit.git / blobdiff