-#ifndef __DALI_LONG_PRESS_GESTURE_DETECTOR_H__
-#define __DALI_LONG_PRESS_GESTURE_DETECTOR_H__
+#ifndef DALI_LONG_PRESS_GESTURE_DETECTOR_H
+#define DALI_LONG_PRESS_GESTURE_DETECTOR_H
/*
- * Copyright (c) 2015 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2022 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.
*
*/
+// EXTERNAL INCLUDES
+#include <cstdint> // uint32_t
+
// INTERNAL INCLUDES
#include <dali/public-api/events/gesture-detector.h>
#include <dali/public-api/signals/dali-signal.h>
class LongPressGestureDetector;
}
-struct LongPressGesture;
+class LongPressGesture;
/**
* @brief This class emits a signals when a long press gesture occurs that meets the requirements set by the application.
* @SINCE_1_0.0
- * @see LongPressGestureDetector::SetTouchesRequired.
*
* For any valid long press, two signals will be emitted:
- * - First identifying the beginning (state = Started) i.e. when fingers held down for the required time.
- * - Second identifying the ending (state = Finished) i.e. when fingers are released.
+ * - First identifying the beginning (state = GestureState::STARTED) i.e. when fingers held down for the required time.
+ * - Second identifying the ending (state = GestureState::FINISHED) i.e. when fingers are released.
*
* The application programmer can use this gesture detector as follows:
* @code
* |-------------------|-----------------------|
* | longPressDetected | @ref DetectedSignal() |
*/
-class DALI_IMPORT_API LongPressGestureDetector : public GestureDetector
+class DALI_CORE_API LongPressGestureDetector : public GestureDetector
{
-public: // Typedefs
-
- typedef Signal< void ( Actor, const LongPressGesture& ) > DetectedSignalType; ///< Gesture detected signal type @SINCE_1_0.0
+public: // Typedefs
+ using DetectedSignalType = Signal<void(Actor, const LongPressGesture&)>; ///< Gesture detected signal type @SINCE_1_0.0
public: // Creation & Destruction
-
/**
- * @brief Create an uninitialized LongPressGestureDetector; this can be initialized with LongPressGestureDetector::New().
+ * @brief Creates an uninitialized LongPressGestureDetector; this can be initialized with LongPressGestureDetector::New().
*
* Calling member functions with an uninitialized LongPressGestureDetector handle is not allowed.
* @SINCE_1_0.0
LongPressGestureDetector();
/**
- * @brief Create an initialized LongPressGestureDetector.
+ * @brief Creates an initialized LongPressGestureDetector.
*
* By default, this would create a gesture detector that requires only one touch.
* @SINCE_1_0.0
- * @return A handle to a newly allocated Dali resource.
+ * @return A handle to a newly allocated Dali resource
*/
static LongPressGestureDetector New();
/**
- * @brief Create an initialized LongPressGestureDetector with the number of touches required.
+ * @brief Creates an initialized LongPressGestureDetector with the number of touches required.
*
* A long press gesture will be emitted from this detector if the number of fingers touching the
* screen is equal to the touches required.
* @SINCE_1_0.0
- * @param[in] touchesRequired The number of touches required.
- * @return A handle to a newly allocated Dali resource.
+ * @param[in] touchesRequired The number of touches required
+ * @return A handle to a newly allocated Dali resource
*/
- static LongPressGestureDetector New(unsigned int touchesRequired);
+ static LongPressGestureDetector New(uint32_t touchesRequired);
/**
- * @brief Create an initialized LongPressGestureDetector with the minimum and maximum number of touches required.
+ * @brief Creates an initialized LongPressGestureDetector with the minimum and maximum number of touches required.
*
* A long press gesture will be emitted from this detector if the number of fingers touching the screen
* falls between the minimum and maximum touches set.
* @SINCE_1_0.0
- * @param[in] minTouches The minimum number of touches required.
- * @param[in] maxTouches The maximum number of touches required.
- * @return A handle to a newly allocated Dali resource.
+ * @param[in] minTouches The minimum number of touches required
+ * @param[in] maxTouches The maximum number of touches required
+ * @return A handle to a newly allocated Dali resource
*/
- static LongPressGestureDetector New(unsigned int minTouches, unsigned int maxTouches);
+ static LongPressGestureDetector New(uint32_t minTouches, uint32_t maxTouches);
/**
- * @brief Downcast a handle to LongPressGestureDetector handle.
+ * @brief Downcasts a handle to LongPressGestureDetector handle.
*
- * If handle points to a LongPressGestureDetector object the
- * downcast produces valid handle. If not the returned handle is left uninitialized.
+ * If handle points to a LongPressGestureDetector object, 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 LongPressGestureDetector object or an uninitialized handle
*/
- static LongPressGestureDetector DownCast( BaseHandle handle );
+ static LongPressGestureDetector DownCast(BaseHandle handle);
/**
- * @brief Destructor
+ * @brief Destructor.
*
* This is non-virtual since derived Handle types must not contain data or virtual methods.
* @SINCE_1_0.0
* @brief This copy constructor is required for (smart) pointer semantics.
*
* @SINCE_1_0.0
- * @param [in] handle A reference to the copied handle
+ * @param[in] handle A reference to the copied handle
*/
LongPressGestureDetector(const LongPressGestureDetector& handle);
* @brief This assignment operator is required for (smart) pointer semantics.
*
* @SINCE_1_0.0
- * @param [in] rhs A reference to the copied handle
+ * @param[in] rhs A reference to the copied handle
* @return A reference to this
*/
LongPressGestureDetector& operator=(const LongPressGestureDetector& rhs);
-public: // Setters
+ /**
+ * @brief This move constructor is required for (smart) pointer semantics.
+ *
+ * @SINCE_2_2.4
+ * @param[in] handle A reference to the moved handle
+ */
+ LongPressGestureDetector(LongPressGestureDetector&& handle) noexcept;
/**
- * @brief Set the number of touches required.
+ * @brief This move assignment operator is required for (smart) pointer semantics.
+ *
+ * @SINCE_2_2.4
+ * @param[in] rhs A reference to the moved handle
+ * @return A reference to this
+ */
+ LongPressGestureDetector& operator=(LongPressGestureDetector&& rhs) noexcept;
+
+public: // Setters
+ /**
+ * @brief Sets the number of touches required.
*
* The number of touches corresponds to the number of fingers a user
* has on the screen. This sets the minimum and maximum touches to
* the input parameter.
*
* @SINCE_1_0.0
- * @param[in] touches Touches required.
+ * @param[in] touches Touches required
* @pre The gesture detector has been initialized.
* @note The default is '1'.
*/
- void SetTouchesRequired(unsigned int touches);
+ void SetTouchesRequired(uint32_t touches);
/**
* @brief Sets the minimum and maximum touches required.
* has on the screen.
*
* @SINCE_1_0.0
- * @param[in] minTouches Minimum Touches required.
- * @param[in] maxTouches Maximum Touches required.
+ * @param[in] minTouches Minimum Touches required
+ * @param[in] maxTouches Maximum Touches required
* @pre The gesture detector has been initialized.
* @note The default is '1'.
*/
- void SetTouchesRequired(unsigned int minTouches, unsigned int maxTouches);
+ void SetTouchesRequired(uint32_t minTouches, uint32_t maxTouches);
public: // Getters
-
/**
* @brief Retrieves the minimum number of touches required.
*
* @SINCE_1_0.0
- * @return The minimum number of touches required.
+ * @return The minimum number of touches required
* @pre The gesture detector has been initialized.
*/
- unsigned int GetMinimumTouchesRequired() const;
+ uint32_t GetMinimumTouchesRequired() const;
/**
* @brief Retrieves the maximum number of touches required.
*
* @SINCE_1_0.0
- * @return The maximum number of touches required.
+ * @return The maximum number of touches required
* @pre The gesture detector has been initialized.
*/
- unsigned int GetMaximumTouchesRequired() const;
+ uint32_t GetMaximumTouchesRequired() const;
public: // Signals
-
/**
- * @brief This signal is emitted when the specified long press is detected on the attached actor.
+ * @brief This signal is emitted when the specified long press is detected on the attached actor.
*
* A callback of the following type may be connected:
* @code
* void YourCallbackName( Actor actor, const LongPressGesture& gesture );
* @endcode
* @SINCE_1_0.0
- * @return The signal to connect to.
+ * @return The signal to connect to
* @pre The gesture detector has been initialized.
*/
DetectedSignalType& DetectedSignal();
public: // Not intended for Application developers
-
/// @cond internal
/**
* @brief This constructor is used by LongPressGestureDetector::New() methods.
*
* @SINCE_1_0.0
- * @param [in] internal A pointer to a newly allocated Dali resource.
+ * @param[in] internal A pointer to a newly allocated Dali resource
*/
explicit DALI_INTERNAL LongPressGestureDetector(Internal::LongPressGestureDetector* internal);
/// @endcond
-
};
/**
*/
} // namespace Dali
-#endif // __DALI_LONG_PRESS_GESTURE_DETECTOR_H__
+#endif // DALI_LONG_PRESS_GESTURE_DETECTOR_H