testjoystick.c
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/*
Copyright (C) 1997-2018 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);
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_JOYBUTTONUP
Definition: SDL_events.h:112
done
SDL_bool done
Definition: testjoystick.c:37
SDL_JoyAxisEvent::value
Sint16 value
Definition: SDL_events.h:288
SDL_JoyButtonEvent::which
SDL_JoystickID which
Definition: SDL_events.h:335
SDL_JOYHATMOTION
Definition: SDL_events.h:110
r
GLdouble GLdouble GLdouble r
Definition: SDL_opengl.h:2079
SDL_WINDOWPOS_CENTERED
#define SDL_WINDOWPOS_CENTERED
Definition: SDL_video.h:139
SDL_PollEvent
#define SDL_PollEvent
Definition: SDL_dynapi_overrides.h:122
SDL_KEYDOWN
Definition: SDL_events.h:93
SDL_JoystickGetButton
#define SDL_JoystickGetButton
Definition: SDL_dynapi_overrides.h:214
SDL_GetError
#define SDL_GetError
Definition: SDL_dynapi_overrides.h:113
SDL_Event::jdevice
SDL_JoyDeviceEvent jdevice
Definition: SDL_events.h:540
SDL_JoystickClose
#define SDL_JoystickClose
Definition: SDL_dynapi_overrides.h:215
SDL_JoyAxisEvent::axis
Uint8 axis
Definition: SDL_events.h:284
SDL_JOYSTICK_TYPE_WHEEL
Definition: SDL_joystick.h:87
SDL_TRUE
Definition: SDL_stdinc.h:142
SDL_JoystickGetVendor
#define SDL_JoystickGetVendor
Definition: SDL_dynapi_overrides.h:612
SDL_JoystickGetGUID
#define SDL_JoystickGetGUID
Definition: SDL_dynapi_overrides.h:200
SDL_INIT_JOYSTICK
#define SDL_INIT_JOYSTICK
Definition: SDL.h:79
x
GLint GLint GLint GLint GLint x
Definition: SDL_opengl.h:1574
SDL_Event::jbutton
SDL_JoyButtonEvent jbutton
Definition: SDL_events.h:539
SDL_JoyBallEvent::ball
Uint8 ball
Definition: SDL_events.h:300
SDL_JOYDEVICEADDED
Definition: SDL_events.h:113
SDL_FALSE
Definition: SDL_stdinc.h:141
h
GLfloat GLfloat GLfloat GLfloat h
Definition: SDL_opengl_glext.h:1946
SDL_RenderFillRect
#define SDL_RenderFillRect
Definition: SDL_dynapi_overrides.h:341
SDL_QuitSubSystem
#define SDL_QuitSubSystem
Definition: SDL_dynapi_overrides.h:56
SDL_JoystickNameForIndex
#define SDL_JoystickNameForIndex
Definition: SDL_dynapi_overrides.h:196
SDL_MOUSEBUTTONDOWN
Definition: SDL_events.h:103
SDL_Event::jball
SDL_JoyBallEvent jball
Definition: SDL_events.h:537
SDL_QUIT
Definition: SDL_events.h:60
SDL_JoyAxisEvent::which
SDL_JoystickID which
Definition: SDL_events.h:283
DrawRect
static void DrawRect(SDL_Renderer *r, const int x, const int y, const int w, const int h)
Definition: testjoystick.c:40
SDL_Renderer
Definition: SDL_sysrender.h:76
SDL_JoystickOpen
#define SDL_JoystickOpen
Definition: SDL_dynapi_overrides.h:197
SDL_JoyBallEvent::xrel
Sint16 xrel
Definition: SDL_events.h:304
SDL_NumJoysticks
#define SDL_NumJoysticks
Definition: SDL_dynapi_overrides.h:195
SDL_JoystickNumButtons
#define SDL_JoystickNumButtons
Definition: SDL_dynapi_overrides.h:208
SDL_JOYBALLMOTION
Definition: SDL_events.h:109
SDL_CreateWindow
#define SDL_CreateWindow
Definition: SDL_dynapi_overrides.h:514
SDL_JOYAXISMOTION
Definition: SDL_events.h:108
SDL_JoystickGetGUIDString
#define SDL_JoystickGetGUIDString
Definition: SDL_dynapi_overrides.h:201
SDL_JoystickInstanceID
#define SDL_JoystickInstanceID
Definition: SDL_dynapi_overrides.h:204
SDL_JoystickGetProduct
#define SDL_JoystickGetProduct
Definition: SDL_dynapi_overrides.h:613
SDL_JOYSTICK_TYPE_DRUM_KIT
Definition: SDL_joystick.h:92
SDL_JoystickGetHat
#define SDL_JoystickGetHat
Definition: SDL_dynapi_overrides.h:212
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
SDL_JoystickName
#define SDL_JoystickName
Definition: SDL_dynapi_overrides.h:198
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:36
SDL_JoystickNumAxes
#define SDL_JoystickNumAxes
Definition: SDL_dynapi_overrides.h:205
SDL_JOYDEVICEREMOVED
Definition: SDL_events.h:114
device
static SDL_AudioDeviceID device
Definition: loopwave.c:37
SCREEN_WIDTH
#define SCREEN_WIDTH
Definition: testjoystick.c:31
SDL_JoystickGetType
#define SDL_JoystickGetType
Definition: SDL_dynapi_overrides.h:623
SDL_HAT_RIGHT
#define SDL_HAT_RIGHT
Definition: SDL_joystick.h:318
SDL_JoyBallEvent::which
SDL_JoystickID which
Definition: SDL_events.h:299
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:31
SDL_JoystickFromInstanceID
#define SDL_JoystickFromInstanceID
Definition: SDL_dynapi_overrides.h:595
SDL_FINGERDOWN
Definition: SDL_events.h:125
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:389
SDL_JOYSTICK_TYPE_ARCADE_PAD
Definition: SDL_joystick.h:93
SDL_JOYBUTTONDOWN
Definition: SDL_events.h:111
SDL_HAT_LEFT
#define SDL_HAT_LEFT
Definition: SDL_joystick.h:320
SDL_Event::jaxis
SDL_JoyAxisEvent jaxis
Definition: SDL_events.h:536
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:157
event
struct _cl_event * event
Definition: SDL_opengl_glext.h:2649
SDL_JOYSTICK_TYPE_GUITAR
Definition: SDL_joystick.h:91
SDL_RaiseWindow
#define SDL_RaiseWindow
Definition: SDL_dynapi_overrides.h:535
SCREEN_HEIGHT
#define SCREEN_HEIGHT
Definition: testjoystick.c:32
SDL_JOYSTICK_TYPE_FLIGHT_STICK
Definition: SDL_joystick.h:89
main
int main(int argc, char *argv[])
Definition: testjoystick.c:240
w
GLubyte GLubyte GLubyte GLubyte w
Definition: SDL_opengl_glext.h:731
SDL_JoystickGetAttached
#define SDL_JoystickGetAttached
Definition: SDL_dynapi_overrides.h:203
retval
SDL_bool retval
Definition: testjoystick.c:36
SDL_JOYSTICK_TYPE_DANCE_PAD
Definition: SDL_joystick.h:90
y
GLint GLint GLint GLint GLint GLint y
Definition: SDL_opengl.h:1574
SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
SDL_KeyboardEvent::keysym
SDL_Keysym keysym
Definition: SDL_events.h:199
SDL_JOYSTICK_TYPE_ARCADE_STICK
Definition: SDL_joystick.h:88
screen
SDL_Renderer * screen
Definition: testjoystick.c:35
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_assert
#define SDL_assert(condition)
Definition: SDL_assert.h:169
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:236
NULL
#define NULL
Definition: begin_code.h:164
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:139
SDL_JOYSTICK_TYPE_THROTTLE
Definition: SDL_joystick.h:94
SDL_JoystickNumHats
#define SDL_JoystickNumHats
Definition: SDL_dynapi_overrides.h:207
SDL_WaitEvent
#define SDL_WaitEvent
Definition: SDL_dynapi_overrides.h:123
SDL_JoystickGetAxis
#define SDL_JoystickGetAxis
Definition: SDL_dynapi_overrides.h:211
SDL_JoyHatEvent::hat
Uint8 hat
Definition: SDL_events.h:316
SDL_RenderClear
#define SDL_RenderClear
Definition: SDL_dynapi_overrides.h:334
SDL_JoyDeviceEvent::which
Sint32 which
Definition: SDL_events.h:349
window
EGLSurface EGLNativeWindowType * window
Definition: eglext.h:1025
SDL_Event::key
SDL_KeyboardEvent key
Definition: SDL_events.h:530
SDL_SetHint
#define SDL_SetHint
Definition: SDL_dynapi_overrides.h:190
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:73
SDL_JOYSTICK_TYPE_GAMECONTROLLER
Definition: SDL_joystick.h:86
SDL_JoystickNumBalls
#define SDL_JoystickNumBalls
Definition: SDL_dynapi_overrides.h:206
SDL_JoyHatEvent::value
Uint8 value
Definition: SDL_events.h:317
loop
void loop(void *arg)
Definition: testjoystick.c:47
SDL_Keysym::sym
SDL_Keycode sym
Definition: SDL_keyboard.h:50
x0
GLuint GLfloat x0
Definition: SDL_opengl_glext.h:8583
type
GLuint GLuint GLsizei GLenum type
Definition: SDL_opengl.h:1571
SDLK_AC_BACK
Definition: SDL_keycode.h:299
SDL_Init
#define SDL_Init
Definition: SDL_dynapi_overrides.h:54
WatchJoystick
static SDL_bool WatchJoystick(SDL_Joystick *joystick)
Definition: testjoystick.c:187
SDL_Event
General event structure.
Definition: SDL_events.h:525
SDL_SetRenderDrawColor
#define SDL_SetRenderDrawColor
Definition: SDL_dynapi_overrides.h:330
SDL_DestroyRenderer
#define SDL_DestroyRenderer
Definition: SDL_dynapi_overrides.h:348
SDL_PRESSED
#define SDL_PRESSED
Definition: SDL_events.h:50
SDL_JoyBallEvent::yrel
Sint16 yrel
Definition: SDL_events.h:305
SDL_Event::jhat
SDL_JoyHatEvent jhat
Definition: SDL_events.h:538
SDL_JoyButtonEvent::button
Uint8 button
Definition: SDL_events.h:336
SDL_HAT_CENTERED
#define SDL_HAT_CENTERED
Definition: SDL_joystick.h:316
SDLK_ESCAPE
Definition: SDL_keycode.h:55
SDL_ALPHA_OPAQUE
#define SDL_ALPHA_OPAQUE
Definition: SDL_pixels.h:46
SDL.h
SDL_HAT_UP
#define SDL_HAT_UP
Definition: SDL_joystick.h:317
SDL_DestroyWindow
#define SDL_DestroyWindow
Definition: SDL_dynapi_overrides.h:549
SDL_HAT_DOWN
#define SDL_HAT_DOWN
Definition: SDL_joystick.h:319
SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66
SDL_JoyHatEvent::which
SDL_JoystickID which
Definition: SDL_events.h:315
SDL_INIT_VIDEO
#define SDL_INIT_VIDEO
Definition: SDL.h:78
SDL_CreateRenderer
#define SDL_CreateRenderer
Definition: SDL_dynapi_overrides.h:301
SDL_Rect
A rectangle, with the origin at the upper left.
Definition: SDL_rect.h:64
SDL_RenderPresent
#define SDL_RenderPresent
Definition: SDL_dynapi_overrides.h:346
SDL_Event::type
Uint32 type
Definition: SDL_events.h:527