src/joystick/dummy/SDL_sysjoystick.c
author Ryan C. Gordon <icculus@icculus.org>
Fri, 21 Feb 2020 15:52:35 -0500
changeset 13543 ef2d5382a887
parent 13480 6a144eb5e1f1
permissions -rw-r--r--
cmake: more proper sdl2-config.cmake work (thanks, Alexander!)

Fixes Bugzilla #4970.
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "../../SDL_internal.h"
    22 
    23 #if defined(SDL_JOYSTICK_DUMMY) || defined(SDL_JOYSTICK_DISABLED)
    24 
    25 /* This is the dummy implementation of the SDL joystick API */
    26 
    27 #include "SDL_joystick.h"
    28 #include "../SDL_sysjoystick.h"
    29 #include "../SDL_joystick_c.h"
    30 
    31 
    32 static int
    33 DUMMY_JoystickInit(void)
    34 {
    35     return 0;
    36 }
    37 
    38 static int
    39 DUMMY_JoystickGetCount(void)
    40 {
    41     return 0;
    42 }
    43 
    44 static void
    45 DUMMY_JoystickDetect(void)
    46 {
    47 }
    48 
    49 static const char *
    50 DUMMY_JoystickGetDeviceName(int device_index)
    51 {
    52     return NULL;
    53 }
    54 
    55 static int
    56 DUMMY_JoystickGetDevicePlayerIndex(int device_index)
    57 {
    58     return -1;
    59 }
    60 
    61 static void
    62 DUMMY_JoystickSetDevicePlayerIndex(int device_index, int player_index)
    63 {
    64 }
    65 
    66 static SDL_JoystickGUID
    67 DUMMY_JoystickGetDeviceGUID(int device_index)
    68 {
    69     SDL_JoystickGUID guid;
    70     SDL_zero(guid);
    71     return guid;
    72 }
    73 
    74 static SDL_JoystickID
    75 DUMMY_JoystickGetDeviceInstanceID(int device_index)
    76 {
    77     return -1;
    78 }
    79 
    80 static int
    81 DUMMY_JoystickOpen(SDL_Joystick * joystick, int device_index)
    82 {
    83     return SDL_SetError("Logic error: No joysticks available");
    84 }
    85 
    86 static int
    87 DUMMY_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble)
    88 {
    89     return SDL_Unsupported();
    90 }
    91 
    92 static void
    93 DUMMY_JoystickUpdate(SDL_Joystick * joystick)
    94 {
    95 }
    96 
    97 static void
    98 DUMMY_JoystickClose(SDL_Joystick * joystick)
    99 {
   100 }
   101 
   102 static void
   103 DUMMY_JoystickQuit(void)
   104 {
   105 }
   106 
   107 SDL_JoystickDriver SDL_DUMMY_JoystickDriver =
   108 {
   109     DUMMY_JoystickInit,
   110     DUMMY_JoystickGetCount,
   111     DUMMY_JoystickDetect,
   112     DUMMY_JoystickGetDeviceName,
   113     DUMMY_JoystickGetDevicePlayerIndex,
   114     DUMMY_JoystickSetDevicePlayerIndex,
   115     DUMMY_JoystickGetDeviceGUID,
   116     DUMMY_JoystickGetDeviceInstanceID,
   117     DUMMY_JoystickOpen,
   118     DUMMY_JoystickRumble,
   119     DUMMY_JoystickUpdate,
   120     DUMMY_JoystickClose,
   121     DUMMY_JoystickQuit,
   122 };
   123 
   124 #endif /* SDL_JOYSTICK_DUMMY || SDL_JOYSTICK_DISABLED */
   125 
   126 /* vi: set ts=4 sw=4 expandtab: */