cspi/spi-listener.h

   1 #ifndef _SPI_LISTENER_H_
   2 #define _SPI_LISTENER_H_
   3
   4 #include <cspi/spi-impl.h>
   5
   6 #ifdef  __cplusplus
   7 extern "C" {
   8 #endif
   9
  10 /*
  11  * Structure used to encapsulate event information
  12  */
  13 typedef struct {
  14   const char  *type;
  15   Accessible  *source;
  16   long         detail1;
  17   long         detail2;
  18 } AccessibleEvent;
  19
  20 typedef enum {
  21   SPI_KEY_PRESSED  = 1<<0,
  22   SPI_KEY_RELEASED = 1<<1
  23 } AccessibleKeyEventType;
  24
  25
  26 typedef struct {
  27   long                   keyID;
  28   short                  keycode;
  29   long                   timestamp;
  30   AccessibleKeyEventType type;
  31   unsigned short         modifiers;
  32 } AccessibleKeystroke;
  33
  34 /*
  35  * Function prototype typedefs for Event Listener Callbacks.
  36  * (see libspi/accessibleeventlistener.h for definition of SpiVoidEventListenerCB).
  37  *
  38  * usage: signatures should be
  39  * void (*AccessibleEventListenerCB) (AccessibleEvent *event);
  40  *
  41  * SPIBoolean (*AccessibleKeystrokeListenerCB) (AccessibleKeystrokeEvent *Event);
  42  */
  43 typedef void       (*AccessibleEventListenerCB)     (AccessibleEvent     *event,
  44                                                      void                *user_data);
  45 typedef SPIBoolean (*AccessibleKeystrokeListenerCB) (AccessibleKeystroke *stroke,
  46                                                      void                *user_data);
  47
  48 #ifdef  __cplusplus
  49 }
  50 #endif
  51
  52 #endif