libcm is a C development framework with an emphasis on audio signal processing applications.
Vous ne pouvez pas sélectionner plus de 25 sujets Les noms de sujets doivent commencer par une lettre ou un nombre, peuvent contenir des tirets ('-') et peuvent comporter jusqu'à 35 caractères.

cmKeyboard.h 1.3KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273
  1. #ifndef cmKeyboard_h
  2. #define cmKeyboard_h
  3. #ifdef __cplusplus
  4. extern "C" {
  5. #endif
  6. //( { file_desc:"Query and get keypresses directly from the console." kw:[system] }
  7. enum
  8. {
  9. kInvalidKId,
  10. kAsciiKId,
  11. kLeftArrowKId,
  12. kRightArrowKId,
  13. kUpArrowKId,
  14. kDownArrowKId,
  15. kHomeKId,
  16. kEndKId,
  17. kPgUpKId,
  18. kPgDownKId,
  19. kInsertKId,
  20. kDeleteKId,
  21. };
  22. typedef struct
  23. {
  24. unsigned code;
  25. char ch;
  26. bool ctlFl;
  27. bool altFl;
  28. } cmKbRecd;
  29. // Set 'p' to NULL if the value of the key is not required.
  30. void cmKeyPress( cmKbRecd* p );
  31. // Return non-zero if a key is waiting to be read otherwise return 0.
  32. // Use getchar() to pick up the key.
  33. //
  34. // Example:
  35. // while( 1 )
  36. // {
  37. // if( cmIsKeyWaiting() == 0 )
  38. // usleep(20000);
  39. // else
  40. // {
  41. // char c = getchar();
  42. // switch(c)
  43. // {
  44. // ....
  45. // }
  46. // }
  47. //
  48. // }
  49. //
  50. // TODO: Note that this function turns off line-buffering on stdin.
  51. // It should be changed to a three function sequence.
  52. // bool org_state = cmSetStdinLineBuffering(false);
  53. // ....
  54. // cmIsKeyWaiting()
  55. // ....
  56. // cmSetStdinLineBuffering(org_state)
  57. int cmIsKeyWaiting();
  58. //)
  59. #ifdef __cplusplus
  60. extern "C" {
  61. #endif
  62. #endif