1 #ifndef __DALI_TOUCH_EVENT_H__
2 #define __DALI_TOUCH_EVENT_H__
5 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 // Licensed under the Flora License, Version 1.0 (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://floralicense.org/license/
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.
21 * @addtogroup CAPI_DALI_EVENTS_MODULE
26 #include <dali/public-api/common/vector-wrapper.h>
27 #include <dali/public-api/common/dali-common.h>
28 #include <dali/public-api/events/touch-point.h>
30 namespace Dali DALI_IMPORT_API
32 typedef std::vector<TouchPoint> TouchPointContainer; ///< Container of touch points.
33 typedef TouchPointContainer::iterator TouchPointContainerIterator; ///< Iterator for Dali::TouchPointContainer
34 typedef TouchPointContainer::const_iterator TouchPointContainerConstIterator; ///< Const iterator for Dali::TouchPointContainer
37 * @brief Touch events are a collection of touch points at a specific moment in time.
39 * When a multi-touch event occurs, each touch point represents the points that are currently being
40 * touched or the points where a touch has stopped.
42 struct DALI_IMPORT_API TouchEvent
44 // Construction & Destruction
47 * @brief Default constructor
53 * @param[in] time The time the event occurred
55 TouchEvent(unsigned long time);
65 * @brief This is a container of points for this touch event.
67 * The first point in the set is always the
68 * primary touch point (i.e. the first point touched in a multi-touch event).
70 TouchPointContainer points;
73 * @brief The time (in ms) that the touch event occurred.
77 // Convenience Methods
80 * @brief Returns the total number of points in this TouchEvent.
82 * @return Total number of Points.
84 unsigned int GetPointCount() const;
87 * @brief Returns a touch point at the index requested.
89 * The first point in the set is always the primary
90 * touch point (i.e. the first point touched in a multi-touch event).
91 * @note "point" should be less than the value returned by GetPointCount().
92 * If out of range, then program asserts.
93 * @param[in] point The index of the required Point.
94 * @return Point requested
96 const TouchPoint& GetPoint(unsigned int point) const;
104 #endif // __DALI_TOUCH_EVENT_H__