testjoystick.c
Go to the documentation of this file.
/*
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
/* Simple program to test the SDL joystick routines */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "SDL.h"
#ifdef __EMSCRIPTEN__
#include <emscripten/emscripten.h>
#endif
#ifndef SDL_JOYSTICK_DISABLED
#ifdef __IPHONEOS__
#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 480
#else
#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 480
#endif
SDL_Renderer *screen = NULL;
SDL_bool retval = SDL_FALSE;
SDL_bool done = SDL_FALSE;
static void
DrawRect(SDL_Renderer *r, const int x, const int y, const int w, const int h)
{
const SDL_Rect area = { x, y, w, h };
SDL_RenderFillRect(r, &area);
}
void
loop(void *arg)
{
SDL_Event event;
int i;
SDL_Joystick *joystick = (SDL_Joystick *)arg;
/* blank screen, set up for drawing this frame. */
SDL_SetRenderDrawColor(screen, 0x0, 0x0, 0x0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(screen);
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_JOYDEVICEREMOVED:
SDL_Log("Joystick device %d removed.\n", (int) event.jdevice.which);
SDL_Log("Our instance ID is %d\n", (int) SDL_JoystickInstanceID(joystick));
break;
case SDL_JOYAXISMOTION:
SDL_Log("Joystick %d axis %d value: %d\n",
event.jaxis.which,
event.jaxis.axis, event.jaxis.value);
break;
case SDL_JOYHATMOTION:
SDL_Log("Joystick %d hat %d value:",
event.jhat.which, event.jhat.hat);
if (event.jhat.value == SDL_HAT_CENTERED)
SDL_Log(" centered");
if (event.jhat.value & SDL_HAT_UP)
SDL_Log(" up");
if (event.jhat.value & SDL_HAT_RIGHT)
SDL_Log(" right");
if (event.jhat.value & SDL_HAT_DOWN)
SDL_Log(" down");
if (event.jhat.value & SDL_HAT_LEFT)
SDL_Log(" left");
SDL_Log("\n");
break;
case SDL_JOYBALLMOTION:
SDL_Log("Joystick %d ball %d delta: (%d,%d)\n",
event.jball.which,
event.jball.ball, event.jball.xrel, event.jball.yrel);
break;
case SDL_JOYBUTTONDOWN:
SDL_Log("Joystick %d button %d down\n",
event.jbutton.which, event.jbutton.button);
/* First button triggers a 0.5 second full strength rumble */
if (event.jbutton.button == 0) {
SDL_JoystickRumble(joystick, 0xFFFF, 0xFFFF, 500);
}
break;
case SDL_JOYBUTTONUP:
SDL_Log("Joystick %d button %d up\n",
event.jbutton.which, event.jbutton.button);
break;
case SDL_KEYDOWN:
if ((event.key.keysym.sym != SDLK_ESCAPE) &&
(event.key.keysym.sym != SDLK_AC_BACK)) {
break;
}
/* Fall through to signal quit */
case SDL_FINGERDOWN:
case SDL_MOUSEBUTTONDOWN:
case SDL_QUIT:
done = SDL_TRUE;
break;
default:
break;
}
}
/* Update visual joystick state */
SDL_SetRenderDrawColor(screen, 0x00, 0xFF, 0x00, SDL_ALPHA_OPAQUE);
for (i = 0; i < SDL_JoystickNumButtons(joystick); ++i) {
if (SDL_JoystickGetButton(joystick, i) == SDL_PRESSED) {
DrawRect(screen, (i%20) * 34, SCREEN_HEIGHT - 68 + (i/20) * 34, 32, 32);
}
}
SDL_SetRenderDrawColor(screen, 0xFF, 0x00, 0x00, SDL_ALPHA_OPAQUE);
for (i = 0; i < SDL_JoystickNumAxes(joystick); ++i) {
/* Draw the X/Y axis */
int x, y;
x = (((int) SDL_JoystickGetAxis(joystick, i)) + 32768);
x *= SCREEN_WIDTH;
x /= 65535;
if (x < 0) {
x = 0;
} else if (x > (SCREEN_WIDTH - 16)) {
x = SCREEN_WIDTH - 16;
}
++i;
if (i < SDL_JoystickNumAxes(joystick)) {
y = (((int) SDL_JoystickGetAxis(joystick, i)) + 32768);
} else {
y = 32768;
}
y *= SCREEN_HEIGHT;
y /= 65535;
if (y < 0) {
y = 0;
} else if (y > (SCREEN_HEIGHT - 16)) {
y = SCREEN_HEIGHT - 16;
}
DrawRect(screen, x, y, 16, 16);
}
SDL_SetRenderDrawColor(screen, 0x00, 0x00, 0xFF, SDL_ALPHA_OPAQUE);
for (i = 0; i < SDL_JoystickNumHats(joystick); ++i) {
/* Derive the new position */
int x = SCREEN_WIDTH/2;
int y = SCREEN_HEIGHT/2;
const Uint8 hat_pos = SDL_JoystickGetHat(joystick, i);
if (hat_pos & SDL_HAT_UP) {
y = 0;
} else if (hat_pos & SDL_HAT_DOWN) {
y = SCREEN_HEIGHT-8;
}
if (hat_pos & SDL_HAT_LEFT) {
x = 0;
} else if (hat_pos & SDL_HAT_RIGHT) {
x = SCREEN_WIDTH-8;
}
DrawRect(screen, x, y, 8, 8);
}
SDL_RenderPresent(screen);
if (SDL_JoystickGetAttached( joystick ) == 0) {
done = SDL_TRUE;
retval = SDL_TRUE; /* keep going, wait for reattach. */
}
#ifdef __EMSCRIPTEN__
if (done) {
emscripten_cancel_main_loop();
}
#endif
}
static SDL_bool
WatchJoystick(SDL_Joystick * joystick)
{
SDL_Window *window = NULL;
const char *name = NULL;
retval = SDL_FALSE;
done = SDL_FALSE;
/* Create a window to display joystick axis position */
window = SDL_CreateWindow("Joystick Test", SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED, SCREEN_WIDTH,
SCREEN_HEIGHT, 0);
if (window == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create window: %s\n", SDL_GetError());
return SDL_FALSE;
}
screen = SDL_CreateRenderer(window, -1, 0);
if (screen == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't create renderer: %s\n", SDL_GetError());
SDL_DestroyWindow(window);
return SDL_FALSE;
}
SDL_SetRenderDrawColor(screen, 0x00, 0x00, 0x00, SDL_ALPHA_OPAQUE);
SDL_RenderClear(screen);
SDL_RenderPresent(screen);
SDL_RaiseWindow(window);
/* Print info about the joystick we are watching */
name = SDL_JoystickName(joystick);
SDL_Log("Watching joystick %d: (%s)\n", SDL_JoystickInstanceID(joystick),
name ? name : "Unknown Joystick");
SDL_Log("Joystick has %d axes, %d hats, %d balls, and %d buttons\n",
SDL_JoystickNumAxes(joystick), SDL_JoystickNumHats(joystick),
SDL_JoystickNumBalls(joystick), SDL_JoystickNumButtons(joystick));
/* Loop, getting joystick events! */
#ifdef __EMSCRIPTEN__
emscripten_set_main_loop_arg(loop, joystick, 0, 1);
#else
while (!done) {
loop(joystick);
}
#endif
SDL_DestroyRenderer(screen);
screen = NULL;
SDL_DestroyWindow(window);
return retval;
}
int
main(int argc, char *argv[])
{
const char *name, *type;
int i;
SDL_Joystick *joystick;
SDL_SetHint(SDL_HINT_ACCELEROMETER_AS_JOYSTICK, "0");
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
/* Initialize SDL (Note: video is required to start event loop) */
if (SDL_Init(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
exit(1);
}
/* Print information about the joysticks */
SDL_Log("There are %d joysticks attached\n", SDL_NumJoysticks());
for (i = 0; i < SDL_NumJoysticks(); ++i) {
name = SDL_JoystickNameForIndex(i);
SDL_Log("Joystick %d: %s\n", i, name ? name : "Unknown Joystick");
joystick = SDL_JoystickOpen(i);
if (joystick == NULL) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL_JoystickOpen(%d) failed: %s\n", i,
SDL_GetError());
} else {
char guid[64];
SDL_assert(SDL_JoystickFromInstanceID(SDL_JoystickInstanceID(joystick)) == joystick);
SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick),
guid, sizeof (guid));
switch (SDL_JoystickGetType(joystick)) {
case SDL_JOYSTICK_TYPE_GAMECONTROLLER:
type = "Game Controller";
break;
case SDL_JOYSTICK_TYPE_WHEEL:
type = "Wheel";
break;
case SDL_JOYSTICK_TYPE_ARCADE_STICK:
type = "Arcade Stick";
break;
case SDL_JOYSTICK_TYPE_FLIGHT_STICK:
type = "Flight Stick";
break;
case SDL_JOYSTICK_TYPE_DANCE_PAD:
type = "Dance Pad";
break;
case SDL_JOYSTICK_TYPE_GUITAR:
type = "Guitar";
break;
case SDL_JOYSTICK_TYPE_DRUM_KIT:
type = "Drum Kit";
break;
case SDL_JOYSTICK_TYPE_ARCADE_PAD:
type = "Arcade Pad";
break;
case SDL_JOYSTICK_TYPE_THROTTLE:
type = "Throttle";
break;
default:
type = "Unknown";
break;
}
SDL_Log(" type: %s\n", type);
SDL_Log(" axes: %d\n", SDL_JoystickNumAxes(joystick));
SDL_Log(" balls: %d\n", SDL_JoystickNumBalls(joystick));
SDL_Log(" hats: %d\n", SDL_JoystickNumHats(joystick));
SDL_Log(" buttons: %d\n", SDL_JoystickNumButtons(joystick));
SDL_Log("instance id: %d\n", SDL_JoystickInstanceID(joystick));
SDL_Log(" guid: %s\n", guid);
SDL_Log(" VID/PID: 0x%.4x/0x%.4x\n", SDL_JoystickGetVendor(joystick), SDL_JoystickGetProduct(joystick));
SDL_JoystickClose(joystick);
}
}
#if defined(__ANDROID__) || defined(__IPHONEOS__)
if (SDL_NumJoysticks() > 0) {
#else
if (argv[1]) {
#endif
SDL_bool reportederror = SDL_FALSE;
SDL_bool keepGoing = SDL_TRUE;
SDL_Event event;
int device;
#if defined(__ANDROID__) || defined(__IPHONEOS__)
device = 0;
#else
device = atoi(argv[1]);
#endif
joystick = SDL_JoystickOpen(device);
if (joystick != NULL) {
SDL_assert(SDL_JoystickFromInstanceID(SDL_JoystickInstanceID(joystick)) == joystick);
}
while ( keepGoing ) {
if (joystick == NULL) {
if ( !reportederror ) {
SDL_Log("Couldn't open joystick %d: %s\n", device, SDL_GetError());
keepGoing = SDL_FALSE;
reportederror = SDL_TRUE;
}
} else {
reportederror = SDL_FALSE;
keepGoing = WatchJoystick(joystick);
SDL_JoystickClose(joystick);
}
joystick = NULL;
if (keepGoing) {
SDL_Log("Waiting for attach\n");
}
while (keepGoing) {
SDL_WaitEvent(&event);
if ((event.type == SDL_QUIT) || (event.type == SDL_FINGERDOWN)
|| (event.type == SDL_MOUSEBUTTONDOWN)) {
keepGoing = SDL_FALSE;
} else if (event.type == SDL_JOYDEVICEADDED) {
device = event.jdevice.which;
joystick = SDL_JoystickOpen(device);
if (joystick != NULL) {
SDL_assert(SDL_JoystickFromInstanceID(SDL_JoystickInstanceID(joystick)) == joystick);
}
break;
}
}
}
}
SDL_QuitSubSystem(SDL_INIT_VIDEO | SDL_INIT_JOYSTICK);
return 0;
}
#else
int
main(int argc, char *argv[])
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "SDL compiled without Joystick support.\n");
exit(1);
}
#endif
/* vi: set ts=4 sw=4 expandtab: */
SDL.h
SDL_JOYSTICK_TYPE_GAMECONTROLLER
@ SDL_JOYSTICK_TYPE_GAMECONTROLLER
Definition: SDL_joystick.h:86
SDL_GetError
#define SDL_GetError
Definition: SDL_dynapi_overrides.h:113
SDL_RenderPresent
#define SDL_RenderPresent
Definition: SDL_dynapi_overrides.h:346
main
int main(int argc, char *argv[])
Definition: testjoystick.c:244
SDL_JoystickGetVendor
#define SDL_JoystickGetVendor
Definition: SDL_dynapi_overrides.h:612
retval
SDL_bool retval
Definition: testjoystick.c:36
SDL_WINDOWPOS_CENTERED
#define SDL_WINDOWPOS_CENTERED
Definition: SDL_video.h:139
SDL_PollEvent
#define SDL_PollEvent
Definition: SDL_dynapi_overrides.h:122
SDL_JoystickClose
#define SDL_JoystickClose
Definition: SDL_dynapi_overrides.h:215
SDL_LOG_CATEGORY_APPLICATION
@ SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
SDL_HAT_CENTERED
#define SDL_HAT_CENTERED
Definition: SDL_joystick.h:329
screen
SDL_Renderer * screen
Definition: testjoystick.c:35
NULL
#define NULL
Definition: begin_code.h:167
SDL_ALPHA_OPAQUE
#define SDL_ALPHA_OPAQUE
Definition: SDL_pixels.h:46
SDL_HAT_DOWN
#define SDL_HAT_DOWN
Definition: SDL_joystick.h:332
SDL_JoystickGetButton
#define SDL_JoystickGetButton
Definition: SDL_dynapi_overrides.h:214
SDL_INIT_JOYSTICK
#define SDL_INIT_JOYSTICK
Definition: SDL.h:80
SDL_JoystickGetGUID
#define SDL_JoystickGetGUID
Definition: SDL_dynapi_overrides.h:200
SDL_NumJoysticks
#define SDL_NumJoysticks
Definition: SDL_dynapi_overrides.h:195
x0
GLuint GLfloat x0
Definition: SDL_opengl_glext.h:8583
r
GLdouble GLdouble GLdouble r
Definition: SDL_opengl.h:2079
SDL_RenderFillRect
#define SDL_RenderFillRect
Definition: SDL_dynapi_overrides.h:341
SDL_QuitSubSystem
#define SDL_QuitSubSystem
Definition: SDL_dynapi_overrides.h:56
WatchJoystick
static SDL_bool WatchJoystick(SDL_Joystick *joystick)
Definition: testjoystick.c:191
SDL_JoystickGetGUIDString
#define SDL_JoystickGetGUIDString
Definition: SDL_dynapi_overrides.h:201
SDL_JoystickInstanceID
#define SDL_JoystickInstanceID
Definition: SDL_dynapi_overrides.h:204
SDL_JoystickNameForIndex
#define SDL_JoystickNameForIndex
Definition: SDL_dynapi_overrides.h:196
SDL_JOYSTICK_TYPE_GUITAR
@ SDL_JOYSTICK_TYPE_GUITAR
Definition: SDL_joystick.h:91
SDL_JOYDEVICEREMOVED
@ SDL_JOYDEVICEREMOVED
Definition: SDL_events.h:117
SDL_JoystickGetHat
#define SDL_JoystickGetHat
Definition: SDL_dynapi_overrides.h:212
SDL_JoystickGetProduct
#define SDL_JoystickGetProduct
Definition: SDL_dynapi_overrides.h:613
SDL_JoystickOpen
#define SDL_JoystickOpen
Definition: SDL_dynapi_overrides.h:197
SDL_KEYDOWN
@ SDL_KEYDOWN
Definition: SDL_events.h:96
SDL_CreateWindow
#define SDL_CreateWindow
Definition: SDL_dynapi_overrides.h:514
h
GLfloat GLfloat GLfloat GLfloat h
Definition: SDL_opengl_glext.h:1946
SDL_JoystickName
#define SDL_JoystickName
Definition: SDL_dynapi_overrides.h:198
SDL_JoystickNumButtons
#define SDL_JoystickNumButtons
Definition: SDL_dynapi_overrides.h:208
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:36
loop
void loop(void *arg)
Definition: testjoystick.c:47
SDL_JOYSTICK_TYPE_DANCE_PAD
@ SDL_JOYSTICK_TYPE_DANCE_PAD
Definition: SDL_joystick.h:90
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDLK_ESCAPE
@ SDLK_ESCAPE
Definition: SDL_keycode.h:55
SDL_JOYSTICK_TYPE_DRUM_KIT
@ SDL_JOYSTICK_TYPE_DRUM_KIT
Definition: SDL_joystick.h:92
SDL_PRESSED
#define SDL_PRESSED
Definition: SDL_events.h:50
SDL_HINT_ACCELEROMETER_AS_JOYSTICK
#define SDL_HINT_ACCELEROMETER_AS_JOYSTICK
A variable controlling whether the Android / iOS built-in accelerometer should be listed as a joystic...
Definition: SDL_hints.h:409
event
struct _cl_event * event
Definition: SDL_opengl_glext.h:2649
SDL_Renderer
Definition: SDL_sysrender.h:122
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
SDL_FINGERDOWN
@ SDL_FINGERDOWN
Definition: SDL_events.h:128
SDL_JoystickNumAxes
#define SDL_JoystickNumAxes
Definition: SDL_dynapi_overrides.h:205
SDL_JoystickGetType
#define SDL_JoystickGetType
Definition: SDL_dynapi_overrides.h:623
x
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
SDL_JoystickFromInstanceID
#define SDL_JoystickFromInstanceID
Definition: SDL_dynapi_overrides.h:595
SDLK_AC_BACK
@ SDLK_AC_BACK
Definition: SDL_keycode.h:299
SDL_JOYSTICK_TYPE_FLIGHT_STICK
@ SDL_JOYSTICK_TYPE_FLIGHT_STICK
Definition: SDL_joystick.h:89
done
SDL_bool done
Definition: testjoystick.c:37
SDL_QUIT
@ SDL_QUIT
Definition: SDL_events.h:60
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
SDL_JoystickGetAttached
#define SDL_JoystickGetAttached
Definition: SDL_dynapi_overrides.h:203
SDL_JOYSTICK_TYPE_THROTTLE
@ SDL_JOYSTICK_TYPE_THROTTLE
Definition: SDL_joystick.h:94
SDL_HAT_LEFT
#define SDL_HAT_LEFT
Definition: SDL_joystick.h:333
SDL_JOYAXISMOTION
@ SDL_JOYAXISMOTION
Definition: SDL_events.h:111
SDL_RaiseWindow
#define SDL_RaiseWindow
Definition: SDL_dynapi_overrides.h:535
SDL_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:169
y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
SDL_JoystickRumble
#define SDL_JoystickRumble
Definition: SDL_dynapi_overrides.h:682
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:79
SDL_LOG_PRIORITY_INFO
@ SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
SDL_JoystickNumHats
#define SDL_JoystickNumHats
Definition: SDL_dynapi_overrides.h:207
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
SDL_HAT_RIGHT
#define SDL_HAT_RIGHT
Definition: SDL_joystick.h:331
SDL_JoystickGetAxis
#define SDL_JoystickGetAxis
Definition: SDL_dynapi_overrides.h:211
SDL_Rect
A rectangle, with the origin at the upper left (integer).
Definition: SDL_rect.h:77
SDL_WaitEvent
#define SDL_WaitEvent
Definition: SDL_dynapi_overrides.h:123
SDL_JOYBUTTONUP
@ SDL_JOYBUTTONUP
Definition: SDL_events.h:115
SDL_SetHint
#define SDL_SetHint
Definition: SDL_dynapi_overrides.h:190
SDL_RenderClear
#define SDL_RenderClear
Definition: SDL_dynapi_overrides.h:334
SDL_JOYSTICK_TYPE_ARCADE_PAD
@ SDL_JOYSTICK_TYPE_ARCADE_PAD
Definition: SDL_joystick.h:93
SDL_SetRenderDrawColor
#define SDL_SetRenderDrawColor
Definition: SDL_dynapi_overrides.h:330
DrawRect
static void DrawRect(SDL_Renderer *r, const int x, const int y, const int w, const int h)
Definition: testjoystick.c:40
SDL_MOUSEBUTTONDOWN
@ SDL_MOUSEBUTTONDOWN
Definition: SDL_events.h:106
SDL_JOYDEVICEADDED
@ SDL_JOYDEVICEADDED
Definition: SDL_events.h:116
SDL_JoystickNumBalls
#define SDL_JoystickNumBalls
Definition: SDL_dynapi_overrides.h:206
SDL_HAT_UP
#define SDL_HAT_UP
Definition: SDL_joystick.h:330
SDL_Event
General event structure.
Definition: SDL_events.h:557
SDL_JOYBUTTONDOWN
@ SDL_JOYBUTTONDOWN
Definition: SDL_events.h:114
SDL_CreateRenderer
#define SDL_CreateRenderer
Definition: SDL_dynapi_overrides.h:301
SDL_Init
#define SDL_Init
Definition: SDL_dynapi_overrides.h:54
SDL_DestroyRenderer
#define SDL_DestroyRenderer
Definition: SDL_dynapi_overrides.h:348
SCREEN_WIDTH
#define SCREEN_WIDTH
Definition: testjoystick.c:31
device
static SDL_AudioDeviceID device
Definition: loopwave.c:37
SDL_JOYSTICK_TYPE_WHEEL
@ SDL_JOYSTICK_TYPE_WHEEL
Definition: SDL_joystick.h:87
type
GLuint GLuint GLsizei GLenum type
Definition: SDL_opengl.h:1571
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_JOYHATMOTION
@ SDL_JOYHATMOTION
Definition: SDL_events.h:113
SDL_DestroyWindow
#define SDL_DestroyWindow
Definition: SDL_dynapi_overrides.h:549
SCREEN_HEIGHT
#define SCREEN_HEIGHT
Definition: testjoystick.c:32
SDL_JOYBALLMOTION
@ SDL_JOYBALLMOTION
Definition: SDL_events.h:112
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
w
GLubyte GLubyte GLubyte GLubyte w
Definition: SDL_opengl_glext.h:731
SDL_JOYSTICK_TYPE_ARCADE_STICK
@ SDL_JOYSTICK_TYPE_ARCADE_STICK
Definition: SDL_joystick.h:88
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:179