server/input.h

   1 /*
   2  * input.h
   3  * This file is part of LCDd, the lcdproc server.
   4  *
   5  * This file is released under the GNU General Public License. Refer to the
   6  * COPYING file distributed with this package.
   7  *
   8  * Copyright (c) 1999, William Ferrell, Scott Scriven
   9  *               2003, Joris Robijn
  10  *
  11  */
  12
  13 #ifndef INPUT_H
  14 #define INPUT_H
  15
  16 #include <stdlib.h>
  17
  18 /* Accepts and uses keypad input while displaying screens... */
  19 int handle_input(void);
  20
  21 #ifndef bool
  22 # define bool short
  23 # define true 1
  24 # define false 0
  25 #endif
  26
  27 typedef struct KeyReservation {
  28         char *key;
  29         bool exclusive;
  30         Client *client;         /* NULL for internal clients */
  31 } KeyReservation;
  32
  33
  34 int input_init(void);
  35         /* Init the input handling system */
  36
  37 int input_shutdown(void);
  38         /* Shut it down */
  39
  40 int input_reserve_key(const char *key, bool exclusive, Client *client);
  41         /* Reserves a key for a client */
  42         /* Return -1 if reservation of key is not possible */
  43
  44 void input_release_key(const char *key, Client *client);
  45         /* Releases a key reservation */
  46
  47 void input_release_client_keys(Client *client);
  48         /* Releases all key reservations for a given client */
  49
  50 KeyReservation *input_find_key(const char *key, Client *client);
  51         /* Finds if a key reservation causes a 'hit'.
  52          * If the key was reserved exclusively, the client will be ignored.
  53          * If the key was reserved shared, the client must match.
  54          */
  55
  56 #endif