teventargs.hxx 4.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123
  1. /****************************************************************************
  2. * apps/include/graphics/nxwidgets/teventargs.hxx
  3. *
  4. * Licensed to the Apache Software Foundation (ASF) under one or more
  5. * contributor license agreements. See the NOTICE file distributed with
  6. * this work for additional information regarding copyright ownership. The
  7. * ASF licenses this file to you under the Apache License, Version 2.0 (the
  8. * "License"); you may not use this file except in compliance with the
  9. * License. You may obtain a copy of the License at
  10. *
  11. * http://www.apache.org/licenses/LICENSE-2.0
  12. *
  13. * Unless required by applicable law or agreed to in writing, software
  14. * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  15. * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  16. * License for the specific language governing permissions and limitations
  17. * under the License.
  18. *
  19. ****************************************************************************/
  20. /****************************************************************************
  21. *
  22. * Portions of this package derive from Woopsi (http://woopsi.org/) and
  23. * portions are original efforts. It is difficult to determine at this
  24. * point what parts are original efforts and which parts derive from Woopsi.
  25. * However, in any event, the work of Antony Dzeryn will be acknowledged
  26. * in most NxWidget files. Thanks Antony!
  27. *
  28. * Copyright (c) 2007-2011, Antony Dzeryn
  29. * All rights reserved.
  30. *
  31. * Redistribution and use in source and binary forms, with or without
  32. * modification, are permitted provided that the following conditions are met:
  33. *
  34. * * Redistributions of source code must retain the above copyright
  35. * notice, this list of conditions and the following disclaimer.
  36. * * Redistributions in binary form must reproduce the above copyright
  37. * notice, this list of conditions and the following disclaimer in the
  38. * documentation and/or other materials provided with the distribution.
  39. * * Neither the names "Woopsi", "Simian Zombie" nor the
  40. * names of its contributors may be used to endorse or promote products
  41. * derived from this software without specific prior written permission.
  42. *
  43. * THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY
  44. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  45. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  46. * DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY
  47. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  48. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  49. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  50. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  51. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  52. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  53. *
  54. ****************************************************************************/
  55. #ifndef __APPS_INCLUDE_GRAPHICS_NXWIDGETS_TEVENTARGS_HXX
  56. #define __APPS_INCLUDE_GRAPHICS_NXWIDGETS_TEVENTARGS_HXX
  57. /****************************************************************************
  58. * Included Files
  59. ****************************************************************************/
  60. #include <nuttx/config.h>
  61. #include <stdint.h>
  62. #include <stdbool.h>
  63. /****************************************************************************
  64. * Pre-Processor Definitions
  65. ****************************************************************************/
  66. /****************************************************************************
  67. * Implementation Classes
  68. ****************************************************************************/
  69. #if defined(__cplusplus)
  70. namespace NXWidgets
  71. {
  72. /**
  73. * Base template class for all events within the NxWidgets system.
  74. * All event types should inherit from this class.
  75. */
  76. template <class T>
  77. class TEventArgs
  78. {
  79. private:
  80. T m_source; /**< The object that raised the event */
  81. public:
  82. /**
  83. * Constructor.
  84. * @param source The object that raised the event.
  85. */
  86. inline TEventArgs(const T& source)
  87. {
  88. m_source = source;
  89. }
  90. /**
  91. * Destructor.
  92. */
  93. virtual inline ~TEventArgs() { }
  94. /**
  95. * Get the source object that raised the event.
  96. */
  97. inline const T& getSource(void) const
  98. {
  99. return m_source;
  100. }
  101. };
  102. }
  103. #endif // __cplusplus
  104. #endif // __APPS_INCLUDE_GRAPHICS_NXWIDGETS_TEVENTARGS_HXX