nx_kbdin.c 3.9 KB

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  1. /****************************************************************************
  2. * graphics/nxsu/nx_kbdin.c
  3. *
  4. * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. /****************************************************************************
  36. * Included Files
  37. ****************************************************************************/
  38. #include <nuttx/config.h>
  39. #include <stdint.h>
  40. #include <errno.h>
  41. #include <debug.h>
  42. #include <nuttx/nx/nx.h>
  43. #include "nxfe.h"
  44. #ifdef CONFIG_NX_KBD
  45. /****************************************************************************
  46. * Pre-Processor Definitions
  47. ****************************************************************************/
  48. /****************************************************************************
  49. * Private Types
  50. ****************************************************************************/
  51. /****************************************************************************
  52. * Private Data
  53. ****************************************************************************/
  54. /****************************************************************************
  55. * Public Data
  56. ****************************************************************************/
  57. /****************************************************************************
  58. * Private Functions
  59. ****************************************************************************/
  60. /****************************************************************************
  61. * Public Functions
  62. ****************************************************************************/
  63. /****************************************************************************
  64. * Name: nx_kbdin
  65. *
  66. * Description:
  67. * Used by a thread or interrupt handler that manages some kind of keypad
  68. * hardware to report text information to the NX server.
  69. *
  70. ****************************************************************************/
  71. int nx_kbdin(NXHANDLE handle, uint8_t nch, FAR const uint8_t *ch)
  72. {
  73. FAR struct nxfe_state_s *fe = (FAR struct nxfe_state_s *)handle;
  74. FAR struct nxbe_window_s *wnd = fe->be.topwnd;
  75. /* Give the keypad event only to the top window (unless the top child
  76. * is the background window).
  77. */
  78. if (wnd->cb->kbdin)
  79. {
  80. wnd->cb->kbdin(wnd, nch, ch, wnd->arg);
  81. }
  82. return OK;
  83. }
  84. #endif /* CONFIG_NX_KBD */