/* Function to scan the system for joysticks */
int SDL_SYS_JoystickInit(void)
{
/* The base path of the joystick devices */
const char *joydev_pattern[] = {
#if SDL_INPUT_LINUXEV
"/dev/input/event%d",
#endif
"/dev/input/js%d",
"/dev/js%d"
};
int numjoysticks;
int i, j;
int fd;
char path[PATH_MAX];
dev_t dev_nums[MAX_JOYSTICKS]; /* major/minor device numbers */
struct stat sb;
int n, duplicate;
numjoysticks = 0;
/* First see if the user specified a joystick to use */
if ( SDL_getenv("SDL_JOYSTICK_DEVICE") != NULL ) {
SDL_strlcpy(path, SDL_getenv("SDL_JOYSTICK_DEVICE"), sizeof(path));
if ( stat(path, &sb) == 0 ) {
fd = open(path, O_RDONLY, 0);
if ( fd >= 0 ) {
/* Assume the user knows what they're doing. */
SDL_joylist[numjoysticks].fname = SDL_strdup(path);
if ( SDL_joylist[numjoysticks].fname ) {
dev_nums[numjoysticks] = sb.st_rdev;
++numjoysticks;
}
close(fd);
}
}
}
for ( i=0; i<SDL_arraysize(joydev_pattern); ++i ) {
for ( j=0; j < MAX_JOYSTICKS; ++j ) {
SDL_snprintf(path, SDL_arraysize(path), joydev_pattern[i], j);
/* rcg06302000 replaced access(F_OK) call with stat().
* stat() will fail if the file doesn't exist, so it's
* equivalent behaviour.
*/
if ( stat(path, &sb) == 0 ) {
/* Check to make sure it's not already in list.
* This happens when we see a stick via symlink.
*/
duplicate = 0;
for (n=0; (n<numjoysticks) && !duplicate; ++n) {
if ( sb.st_rdev == dev_nums[n] ) {
duplicate = 1;
}
}
if (duplicate) {
continue;
}
fd = open(path, O_RDONLY, 0);
if ( fd < 0 ) {
continue;
}
#if SDL_INPUT_LINUXEV
#ifdef DEBUG_INPUT_EVENTS
printf("Checking %s\n", path);
#endif
if ( (i == 0) && ! EV_IsJoystick(fd) ) {
close(fd);
continue;
}
#endif
close(fd);
/* We're fine, add this joystick */
SDL_joylist[numjoysticks].fname = SDL_strdup(path);
if ( SDL_joylist[numjoysticks].fname ) {
dev_nums[numjoysticks] = sb.st_rdev;
++numjoysticks;
}
}
}
#if SDL_INPUT_LINUXEV
/* This is a special case...
If the event devices are valid then the joystick devices
will be duplicates but without extra information about their
hats or balls. Unfortunately, the event devices can't
currently be calibrated, so it's a win-lose situation.
So : /dev/input/eventX = /dev/input/jsY = /dev/jsY
*/
if ( (i == 0) && (numjoysticks > 0) )
break;
#endif
}
#ifndef NO_LOGICAL_JOYSTICKS
numjoysticks += CountLogicalJoysticks(numjoysticks);
#endif
return(numjoysticks);
}
static SDL_bool
WatchJoystick(SDL_Joystick * joystick)
{
SDL_Window *window = NULL;
SDL_Renderer *screen = NULL;
SDL_Texture *target, *background, *button, *axis, *marker;
const char *name = NULL;
SDL_bool retval = SDL_FALSE;
SDL_bool done = SDL_FALSE, next=SDL_FALSE;
SDL_Event event;
SDL_Rect dst;
int s, _s;
Uint8 alpha=200, alpha_step = -1;
Uint32 alpha_ticks;
char mapping[4096], temp[4096];
MappingStep *step;
MappingStep steps[] = {
{342, 132, 0.0, MARKER_BUTTON, "x", -1, -1, -1, -1, ""},
{387, 167, 0.0, MARKER_BUTTON, "a", -1, -1, -1, -1, ""},
{431, 132, 0.0, MARKER_BUTTON, "b", -1, -1, -1, -1, ""},
{389, 101, 0.0, MARKER_BUTTON, "y", -1, -1, -1, -1, ""},
{174, 132, 0.0, MARKER_BUTTON, "back", -1, -1, -1, -1, ""},
{233, 132, 0.0, MARKER_BUTTON, "guide", -1, -1, -1, -1, ""},
{289, 132, 0.0, MARKER_BUTTON, "start", -1, -1, -1, -1, ""},
{116, 217, 0.0, MARKER_BUTTON, "dpleft", -1, -1, -1, -1, ""},
{154, 249, 0.0, MARKER_BUTTON, "dpdown", -1, -1, -1, -1, ""},
{186, 217, 0.0, MARKER_BUTTON, "dpright", -1, -1, -1, -1, ""},
{154, 188, 0.0, MARKER_BUTTON, "dpup", -1, -1, -1, -1, ""},
{77, 40, 0.0, MARKER_BUTTON, "leftshoulder", -1, -1, -1, -1, ""},
{91, 0, 0.0, MARKER_BUTTON, "lefttrigger", -1, -1, -1, -1, ""},
{396, 36, 0.0, MARKER_BUTTON, "rightshoulder", -1, -1, -1, -1, ""},
{375, 0, 0.0, MARKER_BUTTON, "righttrigger", -1, -1, -1, -1, ""},
{75, 154, 0.0, MARKER_BUTTON, "leftstick", -1, -1, -1, -1, ""},
{305, 230, 0.0, MARKER_BUTTON, "rightstick", -1, -1, -1, -1, ""},
{75, 154, 0.0, MARKER_AXIS, "leftx", -1, -1, -1, -1, ""},
{75, 154, 90.0, MARKER_AXIS, "lefty", -1, -1, -1, -1, ""},
{305, 230, 0.0, MARKER_AXIS, "rightx", -1, -1, -1, -1, ""},
{305, 230, 90.0, MARKER_AXIS, "righty", -1, -1, -1, -1, ""},
};
/* Create a window to display joystick axis position */
window = SDL_CreateWindow("Game Controller Map", 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;
}
target = SDL_CreateTexture(screen, SDL_PIXELFORMAT_RGB888, SDL_TEXTUREACCESS_TARGET, MAP_WIDTH, MAP_HEIGHT);
background = LoadTexture(screen, "controllermap.bmp", SDL_FALSE);
button = LoadTexture(screen, "button.bmp", SDL_TRUE);
axis = LoadTexture(screen, "axis.bmp", SDL_TRUE);
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));
SDL_Log("\n\n\
====================================================================================\n\
Press the buttons on your controller when indicated\n\
(Your controller may look different than the picture)\n\
If you want to correct a mistake, press backspace or the back button on your device\n\
To skip a button, press SPACE or click/touch the screen\n\
To exit, press ESC\n\
====================================================================================\n");
/* Initialize mapping with GUID and name */
SDL_JoystickGetGUIDString(SDL_JoystickGetGUID(joystick), temp, SDL_arraysize(temp));
SDL_snprintf(mapping, SDL_arraysize(mapping), "%s,%s,platform:%s,",
temp, name ? name : "Unknown Joystick", SDL_GetPlatform());
/* Loop, getting joystick events! */
for(s=0; s<SDL_arraysize(steps) && !done;) {
/* blank screen, set up for drawing this frame. */
step = &steps[s];
SDL_strlcpy(step->mapping, mapping, SDL_arraysize(step->mapping));
step->axis = -1;
step->button = -1;
step->hat = -1;
step->hat_value = -1;
SDL_SetClipboardText("TESTING TESTING 123");
switch(step->marker) {
case MARKER_AXIS:
marker = axis;
break;
case MARKER_BUTTON:
marker = button;
break;
default:
break;
}
dst.x = step->x;
dst.y = step->y;
SDL_QueryTexture(marker, NULL, NULL, &dst.w, &dst.h);
next=SDL_FALSE;
while (!done && !next) {
if (SDL_GetTicks() - alpha_ticks > 5) {
alpha_ticks = SDL_GetTicks();
alpha += alpha_step;
if (alpha == 255) {
alpha_step = -1;
}
if (alpha < 128) {
alpha_step = 1;
}
}
SDL_SetRenderTarget(screen, target);
SDL_RenderCopy(screen, background, NULL, NULL);
SDL_SetTextureAlphaMod(marker, alpha);
SDL_SetTextureColorMod(marker, 10, 255, 21);
SDL_RenderCopyEx(screen, marker, NULL, &dst, step->angle, NULL, 0);
SDL_SetRenderTarget(screen, NULL);
SDL_RenderCopy(screen, target, NULL, NULL);
SDL_RenderPresent(screen);
if (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_JOYAXISMOTION:
if (event.jaxis.value > 20000 || event.jaxis.value < -20000) {
for (_s = 0; _s < s; _s++) {
if (steps[_s].axis == event.jaxis.axis) {
break;
}
}
if (_s == s) {
step->axis = event.jaxis.axis;
SDL_strlcat(mapping, step->field, SDL_arraysize(mapping));
SDL_snprintf(temp, SDL_arraysize(temp), ":a%u,", event.jaxis.axis);
SDL_strlcat(mapping, temp, SDL_arraysize(mapping));
s++;
next=SDL_TRUE;
}
}
break;
case SDL_JOYHATMOTION:
for (_s = 0; _s < s; _s++) {
if (steps[_s].hat == event.jhat.hat && steps[_s].hat_value == event.jhat.value) {
break;
}
}
if (_s == s) {
step->hat = event.jhat.hat;
step->hat_value = event.jhat.value;
SDL_strlcat(mapping, step->field, SDL_arraysize(mapping));
SDL_snprintf(temp, SDL_arraysize(temp), ":h%u.%u,", event.jhat.hat, event.jhat.value );
SDL_strlcat(mapping, temp, SDL_arraysize(mapping));
s++;
next=SDL_TRUE;
}
break;
case SDL_JOYBALLMOTION:
break;
case SDL_JOYBUTTONUP:
for (_s = 0; _s < s; _s++) {
if (steps[_s].button == event.jbutton.button) {
break;
}
}
if (_s == s) {
step->button = event.jbutton.button;
SDL_strlcat(mapping, step->field, SDL_arraysize(mapping));
SDL_snprintf(temp, SDL_arraysize(temp), ":b%u,", event.jbutton.button);
SDL_strlcat(mapping, temp, SDL_arraysize(mapping));
s++;
next=SDL_TRUE;
}
break;
case SDL_FINGERDOWN:
case SDL_MOUSEBUTTONDOWN:
/* Skip this step */
s++;
next=SDL_TRUE;
break;
case SDL_KEYDOWN:
if (event.key.keysym.sym == SDLK_BACKSPACE || event.key.keysym.sym == SDLK_AC_BACK) {
/* Undo! */
if (s > 0) {
SDL_strlcpy(mapping, step->mapping, SDL_arraysize(step->mapping));
s--;
next = SDL_TRUE;
}
break;
}
if (event.key.keysym.sym == SDLK_SPACE) {
/* Skip this step */
s++;
next=SDL_TRUE;
break;
}
if ((event.key.keysym.sym != SDLK_ESCAPE)) {
break;
}
/* Fall through to signal quit */
case SDL_QUIT:
done = SDL_TRUE;
break;
default:
break;
}
}
}
}
if (s == SDL_arraysize(steps) ) {
SDL_Log("Mapping:\n\n%s\n\n", mapping);
/* Print to stdout as well so the user can cat the output somewhere */
printf("%s\n", mapping);
}
while(SDL_PollEvent(&event)) {};
SDL_DestroyRenderer(screen);
SDL_DestroyWindow(window);
return retval;
}
static char *
GetJoystickName(int index, const char *szRegKey)
{
/* added 7/24/2004 by Eckhard Stolberg */
/*
see if there is a joystick for the current
index (1-16) listed in the registry
*/
char *name = NULL;
HKEY hTopKey;
HKEY hKey;
DWORD regsize;
LONG regresult;
char regkey[256];
char regvalue[256];
char regname[256];
SDL_snprintf(regkey, SDL_arraysize(regkey), "%s\\%s\\%s",
REGSTR_PATH_JOYCONFIG, szRegKey, REGSTR_KEY_JOYCURR);
hTopKey = HKEY_LOCAL_MACHINE;
regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey);
if (regresult != ERROR_SUCCESS) {
hTopKey = HKEY_CURRENT_USER;
regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey);
}
if (regresult != ERROR_SUCCESS) {
return NULL;
}
/* find the registry key name for the joystick's properties */
regsize = sizeof(regname);
SDL_snprintf(regvalue, SDL_arraysize(regvalue), "Joystick%d%s", index + 1,
REGSTR_VAL_JOYOEMNAME);
regresult =
RegQueryValueExA(hKey, regvalue, 0, 0, (LPBYTE) regname, ®size);
RegCloseKey(hKey);
if (regresult != ERROR_SUCCESS) {
return NULL;
}
/* open that registry key */
SDL_snprintf(regkey, SDL_arraysize(regkey), "%s\\%s", REGSTR_PATH_JOYOEM,
regname);
regresult = RegOpenKeyExA(hTopKey, regkey, 0, KEY_READ, &hKey);
if (regresult != ERROR_SUCCESS) {
return NULL;
}
/* find the size for the OEM name text */
regsize = sizeof(regvalue);
regresult =
RegQueryValueExA(hKey, REGSTR_VAL_JOYOEMNAME, 0, 0, NULL, ®size);
if (regresult == ERROR_SUCCESS) {
/* allocate enough memory for the OEM name text ... */
name = (char *) SDL_malloc(regsize);
if (name) {
/* ... and read it from the registry */
regresult = RegQueryValueExA(hKey,
REGSTR_VAL_JOYOEMNAME, 0, 0,
(LPBYTE) name, ®size);
}
}
RegCloseKey(hKey);
return (name);
}
static void
SDL_LogOutput(void *userdata, int category, SDL_LogPriority priority,
const char *message)
{
#if defined(__WIN32__) || defined(__WINRT__)
/* Way too many allocations here, urgh */
/* Note: One can't call SDL_SetError here, since that function itself logs. */
{
char *output;
size_t length;
LPTSTR tstr;
#ifndef __WINRT__
BOOL attachResult;
DWORD attachError;
unsigned long charsWritten;
/* Maybe attach console and get stderr handle */
if (consoleAttached == 0) {
attachResult = AttachConsole(ATTACH_PARENT_PROCESS);
if (!attachResult) {
attachError = GetLastError();
if (attachError == ERROR_INVALID_HANDLE) {
OutputDebugString(TEXT("Parent process has no console\r\n"));
consoleAttached = -1;
} else if (attachError == ERROR_GEN_FAILURE) {
OutputDebugString(TEXT("Could not attach to console of parent process\r\n"));
consoleAttached = -1;
} else if (attachError == ERROR_ACCESS_DENIED) {
/* Already attached */
consoleAttached = 1;
} else {
OutputDebugString(TEXT("Error attaching console\r\n"));
consoleAttached = -1;
}
} else {
/* Newly attached */
consoleAttached = 1;
}
if (consoleAttached == 1) {
stderrHandle = GetStdHandle(STD_ERROR_HANDLE);
}
}
#endif /* ifndef __WINRT__ */
length = SDL_strlen(SDL_priority_prefixes[priority]) + 2 + SDL_strlen(message) + 1 + 1 + 1;
output = SDL_stack_alloc(char, length);
SDL_snprintf(output, length, "%s: %s\r\n", SDL_priority_prefixes[priority], message);
tstr = WIN_UTF8ToString(output);
/* Output to debugger */
OutputDebugString(tstr);
#ifndef __WINRT__
/* Screen output to stderr, if console was attached. */
if (consoleAttached == 1) {
if (!WriteConsole(stderrHandle, tstr, lstrlen(tstr), &charsWritten, NULL)) {
OutputDebugString(TEXT("Error calling WriteConsole\r\n"));
if (GetLastError() == ERROR_NOT_ENOUGH_MEMORY) {
OutputDebugString(TEXT("Insufficient heap memory to write message\r\n"));
}
}
}
#endif /* ifndef __WINRT__ */
SDL_free(tstr);
SDL_stack_free(output);
}
#elif defined(__ANDROID__)
{
char tag[32];
SDL_snprintf(tag, SDL_arraysize(tag), "SDL/%s", GetCategoryPrefix(category));
__android_log_write(SDL_android_priority[priority], tag, message);
}
#elif defined(__APPLE__) && defined(SDL_VIDEO_DRIVER_COCOA)
/* Technically we don't need SDL_VIDEO_DRIVER_COCOA, but that's where this function is defined for now.
*/
extern void SDL_NSLog(const char *text);
{
char *text;
text = SDL_stack_alloc(char, SDL_MAX_LOG_MESSAGE);
if (text) {
SDL_snprintf(text, SDL_MAX_LOG_MESSAGE, "%s: %s", SDL_priority_prefixes[priority], message);
SDL_NSLog(text);
SDL_stack_free(text);
return;
}
}
#elif defined(__PSP__)
{
FILE* pFile;
pFile = fopen ("SDL_Log.txt", "a");
fprintf(pFile, "%s: %s\n", SDL_priority_prefixes[priority], message);
fclose (pFile);
}
#endif
#if HAVE_STDIO_H
fprintf(stderr, "%s: %s\n", SDL_priority_prefixes[priority], message);
#if __NACL__
fflush(stderr);
#endif
#endif
}
int
KMSDRM_VideoInit(_THIS)
{
int i;
int ret = 0;
char *devname;
SDL_VideoData *vdata = ((SDL_VideoData *)_this->driverdata);
drmModeRes *resources = NULL;
drmModeConnector *connector = NULL;
drmModeEncoder *encoder = NULL;
SDL_DisplayMode current_mode;
SDL_VideoDisplay display;
/* Allocate display internal data */
SDL_DisplayData *data = (SDL_DisplayData *) SDL_calloc(1, sizeof(SDL_DisplayData));
if (data == NULL) {
return SDL_OutOfMemory();
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "KMSDRM_VideoInit()");
/* Open /dev/dri/cardNN */
devname = (char *) SDL_calloc(1, 16);
if (devname == NULL) {
ret = SDL_OutOfMemory();
goto cleanup;
}
SDL_snprintf(devname, 16, "/dev/dri/card%d", vdata->devindex);
vdata->drm_fd = open(devname, O_RDWR | O_CLOEXEC);
SDL_free(devname);
if (vdata->drm_fd < 0) {
ret = SDL_SetError("Could not open /dev/dri/card%d.", vdata->devindex);
goto cleanup;
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Opened DRM FD (%d)", vdata->drm_fd);
vdata->gbm = KMSDRM_gbm_create_device(vdata->drm_fd);
if (vdata->gbm == NULL) {
ret = SDL_SetError("Couldn't create gbm device.");
goto cleanup;
}
/* Find the first available connector with modes */
resources = KMSDRM_drmModeGetResources(vdata->drm_fd);
if (!resources) {
ret = SDL_SetError("drmModeGetResources(%d) failed", vdata->drm_fd);
goto cleanup;
}
for (i = 0; i < resources->count_connectors; i++) {
connector = KMSDRM_drmModeGetConnector(vdata->drm_fd, resources->connectors[i]);
if (connector == NULL)
continue;
if (connector->connection == DRM_MODE_CONNECTED &&
connector->count_modes > 0) {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Found connector %d with %d modes.",
connector->connector_id, connector->count_modes);
vdata->saved_conn_id = connector->connector_id;
break;
}
KMSDRM_drmModeFreeConnector(connector);
connector = NULL;
}
if (i == resources->count_connectors) {
ret = SDL_SetError("No currently active connector found.");
goto cleanup;
}
for (i = 0; i < resources->count_encoders; i++) {
encoder = KMSDRM_drmModeGetEncoder(vdata->drm_fd, resources->encoders[i]);
if (encoder == NULL)
continue;
if (encoder->encoder_id == connector->encoder_id) {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Found encoder %d.", encoder->encoder_id);
data->encoder_id = encoder->encoder_id;
break;
}
KMSDRM_drmModeFreeEncoder(encoder);
encoder = NULL;
}
if (i == resources->count_encoders) {
ret = SDL_SetError("No connected encoder found.");
goto cleanup;
}
vdata->saved_crtc = KMSDRM_drmModeGetCrtc(vdata->drm_fd, encoder->crtc_id);
if (vdata->saved_crtc == NULL) {
ret = SDL_SetError("No CRTC found.");
goto cleanup;
}
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Saved crtc_id %u, fb_id %u, (%u,%u), %ux%u",
vdata->saved_crtc->crtc_id, vdata->saved_crtc->buffer_id, vdata->saved_crtc->x,
vdata->saved_crtc->y, vdata->saved_crtc->width, vdata->saved_crtc->height);
data->crtc_id = encoder->crtc_id;
data->cur_mode = vdata->saved_crtc->mode;
vdata->crtc_id = encoder->crtc_id;
SDL_zero(current_mode);
current_mode.w = vdata->saved_crtc->mode.hdisplay;
current_mode.h = vdata->saved_crtc->mode.vdisplay;
current_mode.refresh_rate = vdata->saved_crtc->mode.vrefresh;
/* FIXME ?
drmModeFB *fb = drmModeGetFB(vdata->drm_fd, vdata->saved_crtc->buffer_id);
current_mode.format = drmToSDLPixelFormat(fb->bpp, fb->depth);
drmModeFreeFB(fb);
*/
current_mode.format = SDL_PIXELFORMAT_ARGB8888;
current_mode.driverdata = NULL;
SDL_zero(display);
display.desktop_mode = current_mode;
display.current_mode = current_mode;
display.driverdata = data;
/* SDL_VideoQuit will later SDL_free(display.driverdata) */
SDL_AddVideoDisplay(&display);
/* Setup page flip handler */
vdata->drm_pollfd.fd = vdata->drm_fd;
vdata->drm_pollfd.events = POLLIN;
vdata->drm_evctx.version = DRM_EVENT_CONTEXT_VERSION;
vdata->drm_evctx.page_flip_handler = KMSDRM_FlipHandler;
#ifdef SDL_INPUT_LINUXEV
SDL_EVDEV_Init();
#endif
KMSDRM_InitMouse(_this);
cleanup:
if (encoder != NULL)
KMSDRM_drmModeFreeEncoder(encoder);
if (connector != NULL)
KMSDRM_drmModeFreeConnector(connector);
if (resources != NULL)
KMSDRM_drmModeFreeResources(resources);
if (ret != 0) {
/* Error (complete) cleanup */
SDL_free(data);
if(vdata->saved_crtc != NULL) {
KMSDRM_drmModeFreeCrtc(vdata->saved_crtc);
vdata->saved_crtc = NULL;
}
if (vdata->gbm != NULL) {
KMSDRM_gbm_device_destroy(vdata->gbm);
vdata->gbm = NULL;
}
if (vdata->drm_fd >= 0) {
close(vdata->drm_fd);
vdata->drm_fd = -1;
}
}
return ret;
}
/* This function has a bit more overhead than most error functions
so that it supports internationalization and thread-safe errors.
*/
static char *
SDL_GetErrorMsg(char *errstr, unsigned int maxlen)
{
SDL_error *error;
/* Clear the error string */
*errstr = '\0';
--maxlen;
/* Get the thread-safe error, and print it out */
error = SDL_GetErrBuf();
if (error->error) {
const char *fmt;
char *msg = errstr;
int len;
int argi;
fmt = SDL_LookupString(error->key);
argi = 0;
while (*fmt && (maxlen > 0)) {
if (*fmt == '%') {
char tmp[32], *spot = tmp;
*spot++ = *fmt++;
while ((*fmt == '.' || (*fmt >= '0' && *fmt <= '9'))
&& spot < (tmp + SDL_arraysize(tmp) - 2)) {
*spot++ = *fmt++;
}
*spot++ = *fmt++;
*spot++ = '\0';
switch (spot[-2]) {
case '%':
*msg++ = '%';
maxlen -= 1;
break;
case 'c':
case 'i':
case 'd':
case 'u':
case 'o':
case 'x':
case 'X':
len =
SDL_snprintf(msg, maxlen, tmp,
error->args[argi++].value_i);
msg += len;
maxlen -= len;
break;
case 'f':
len =
SDL_snprintf(msg, maxlen, tmp,
error->args[argi++].value_f);
msg += len;
maxlen -= len;
break;
case 'p':
len =
SDL_snprintf(msg, maxlen, tmp,
error->args[argi++].value_ptr);
msg += len;
maxlen -= len;
break;
case 's':
len =
SDL_snprintf(msg, maxlen, tmp,
SDL_LookupString(error->args[argi++].
buf));
msg += len;
maxlen -= len;
break;
}
} else {
*msg++ = *fmt++;
maxlen -= 1;
}
}
*msg = 0; /* NULL terminate the string */
}
return (errstr);
}
int
SDL_SYS_JoystickOpen(SDL_Joystick *joy)
{
char *path = joynames[joy->index];
struct joystick_hwdata *hw;
struct hid_item hitem;
struct hid_data *hdata;
struct report *rep;
int fd;
int i;
fd = open(path, O_RDONLY);
if (fd == -1) {
SDL_SetError("%s: %s", path, strerror(errno));
return (-1);
}
hw = (struct joystick_hwdata *)SDL_malloc(sizeof(struct joystick_hwdata));
if (hw == NULL) {
SDL_OutOfMemory();
close(fd);
return (-1);
}
joy->hwdata = hw;
hw->fd = fd;
hw->path = strdup(path);
hw->x = 0;
hw->y = 0;
hw->xmin = 0xffff;
hw->ymin = 0xffff;
hw->xmax = 0;
hw->ymax = 0;
if (! SDL_strncmp(path, "/dev/joy", 8)) {
hw->type = BSDJOY_JOY;
joy->naxes = 2;
joy->nbuttons = 2;
joy->nhats = 0;
joy->nballs = 0;
joydevnames[joy->index] = strdup("Gameport joystick");
goto usbend;
} else {
hw->type = BSDJOY_UHID;
}
{
int ax;
for (ax = 0; ax < JOYAXE_count; ax++)
hw->axis_map[ax] = -1;
}
hw->repdesc = hid_get_report_desc(fd);
if (hw->repdesc == NULL) {
SDL_SetError("%s: USB_GET_REPORT_DESC: %s", hw->path,
strerror(errno));
goto usberr;
}
#if defined(__FREEBSD__) && (__FreeBSD_kernel_version > 800063) || defined(__FreeBSD_kernel__)
rep->rid = hid_get_report_id(fd);
if (rep->rid < 0) {
#else
rep = &hw->inreport;
if (ioctl(fd, USB_GET_REPORT_ID, &rep->rid) < 0) {
#endif
rep->rid = -1; /* XXX */
}
if (report_alloc(rep, hw->repdesc, REPORT_INPUT) < 0) {
goto usberr;
}
if (rep->size <= 0) {
SDL_SetError("%s: Input report descriptor has invalid length",
hw->path);
goto usberr;
}
#if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_kernel_version >= 500111) || defined(__FreeBSD_kernel__)
hdata = hid_start_parse(hw->repdesc, 1 << hid_input, rep->rid);
#else
hdata = hid_start_parse(hw->repdesc, 1 << hid_input);
#endif
if (hdata == NULL) {
SDL_SetError("%s: Cannot start HID parser", hw->path);
goto usberr;
}
joy->naxes = 0;
joy->nbuttons = 0;
joy->nhats = 0;
joy->nballs = 0;
for (i=0; i<JOYAXE_count; i++)
hw->axis_map[i] = -1;
while (hid_get_item(hdata, &hitem) > 0) {
char *sp;
const char *s;
switch (hitem.kind) {
case hid_collection:
switch (HID_PAGE(hitem.usage)) {
case HUP_GENERIC_DESKTOP:
switch (HID_USAGE(hitem.usage)) {
case HUG_JOYSTICK:
case HUG_GAME_PAD:
s = hid_usage_in_page(hitem.usage);
sp = SDL_malloc(SDL_strlen(s) + 5);
SDL_snprintf(sp, SDL_strlen(s) + 5, "%s (%d)", s,
joy->index);
joydevnames[joy->index] = sp;
}
}
break;
case hid_input:
switch (HID_PAGE(hitem.usage)) {
case HUP_GENERIC_DESKTOP: {
unsigned usage = HID_USAGE(hitem.usage);
int joyaxe = usage_to_joyaxe(usage);
if (joyaxe >= 0) {
hw->axis_map[joyaxe] = 1;
} else if (usage == HUG_HAT_SWITCH) {
joy->nhats++;
}
break;
}
case HUP_BUTTON:
joy->nbuttons++;
break;
default:
break;
}
break;
default:
break;
}
}
hid_end_parse(hdata);
for (i=0; i<JOYAXE_count; i++)
if (hw->axis_map[i] > 0)
hw->axis_map[i] = joy->naxes++;
usbend:
/* The poll blocks the event thread. */
fcntl(fd, F_SETFL, O_NONBLOCK);
return (0);
usberr:
close(hw->fd);
SDL_free(hw->path);
SDL_free(hw);
return (-1);
}
void
SDL_SYS_JoystickUpdate(SDL_Joystick *joy)
{
struct hid_item hitem;
struct hid_data *hdata;
struct report *rep;
int nbutton, naxe = -1;
Sint32 v;
#if defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H || defined(__FreeBSD_kernel__)
struct joystick gameport;
if (joy->hwdata->type == BSDJOY_JOY) {
if (read(joy->hwdata->fd, &gameport, sizeof gameport) != sizeof gameport)
return;
if (abs(joy->hwdata->x - gameport.x) > 8) {
joy->hwdata->x = gameport.x;
if (joy->hwdata->x < joy->hwdata->xmin) {
joy->hwdata->xmin = joy->hwdata->x;
}
if (joy->hwdata->x > joy->hwdata->xmax) {
joy->hwdata->xmax = joy->hwdata->x;
}
if (joy->hwdata->xmin == joy->hwdata->xmax) {
joy->hwdata->xmin--;
joy->hwdata->xmax++;
}
v = (Sint32)joy->hwdata->x;
v -= (joy->hwdata->xmax + joy->hwdata->xmin + 1)/2;
v *= 32768/((joy->hwdata->xmax - joy->hwdata->xmin + 1)/2);
SDL_PrivateJoystickAxis(joy, 0, v);
}
if (abs(joy->hwdata->y - gameport.y) > 8) {
joy->hwdata->y = gameport.y;
if (joy->hwdata->y < joy->hwdata->ymin) {
joy->hwdata->ymin = joy->hwdata->y;
}
if (joy->hwdata->y > joy->hwdata->ymax) {
joy->hwdata->ymax = joy->hwdata->y;
}
if (joy->hwdata->ymin == joy->hwdata->ymax) {
joy->hwdata->ymin--;
joy->hwdata->ymax++;
}
v = (Sint32)joy->hwdata->y;
v -= (joy->hwdata->ymax + joy->hwdata->ymin + 1)/2;
v *= 32768/((joy->hwdata->ymax - joy->hwdata->ymin + 1)/2);
SDL_PrivateJoystickAxis(joy, 1, v);
}
if (gameport.b1 != joy->buttons[0]) {
SDL_PrivateJoystickButton(joy, 0, gameport.b1);
}
if (gameport.b2 != joy->buttons[1]) {
SDL_PrivateJoystickButton(joy, 1, gameport.b2);
}
return;
}
#endif /* defined(__FREEBSD__) || SDL_JOYSTICK_USBHID_MACHINE_JOYSTICK_H */
rep = &joy->hwdata->inreport;
if (read(joy->hwdata->fd, REP_BUF_DATA(rep), rep->size) != rep->size) {
return;
}
#if defined(USBHID_NEW) || (defined(__FREEBSD__) && __FreeBSD_kernel_version >= 500111) || defined(__FreeBSD_kernel__)
hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input, rep->rid);
#else
hdata = hid_start_parse(joy->hwdata->repdesc, 1 << hid_input);
#endif
if (hdata == NULL) {
fprintf(stderr, "%s: Cannot start HID parser\n",
joy->hwdata->path);
return;
}
for (nbutton = 0; hid_get_item(hdata, &hitem) > 0;) {
switch (hitem.kind) {
case hid_input:
switch (HID_PAGE(hitem.usage)) {
case HUP_GENERIC_DESKTOP: {
unsigned usage = HID_USAGE(hitem.usage);
int joyaxe = usage_to_joyaxe(usage);
if (joyaxe >= 0) {
naxe = joy->hwdata->axis_map[joyaxe];
/* scaleaxe */
v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
&hitem);
v -= (hitem.logical_maximum + hitem.logical_minimum + 1)/2;
v *= 32768/((hitem.logical_maximum - hitem.logical_minimum + 1)/2);
if (v != joy->axes[naxe]) {
SDL_PrivateJoystickAxis(joy, naxe, v);
}
} else if (usage == HUG_HAT_SWITCH) {
v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
&hitem);
SDL_PrivateJoystickHat(joy, 0,
hatval_to_sdl(v)-hitem.logical_minimum);
}
break;
}
case HUP_BUTTON:
v = (Sint32)hid_get_data(REP_BUF_DATA(rep),
&hitem);
if (joy->buttons[nbutton] != v) {
SDL_PrivateJoystickButton(joy,
nbutton, v);
}
nbutton++;
break;
default:
continue;
}
break;
default:
break;
}
}
hid_end_parse(hdata);
return;
}
/* Function to close a joystick after use */
void
SDL_SYS_JoystickClose(SDL_Joystick *joy)
{
if (SDL_strncmp(joy->hwdata->path, "/dev/joy", 8)) {
report_free(&joy->hwdata->inreport);
hid_dispose_report_desc(joy->hwdata->repdesc);
}
close(joy->hwdata->fd);
SDL_free(joy->hwdata->path);
SDL_free(joy->hwdata);
return;
}
void
SDL_SYS_JoystickQuit(void)
{
int i;
for (i = 0; i < MAX_JOYS; i++) {
if (joynames[i] != NULL)
SDL_free(joynames[i]);
if (joydevnames[i] != NULL)
SDL_free(joydevnames[i]);
}
return;
}
static LRESULT CALLBACK
SDL_Assertion_WndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_CREATE:
{
/* !!! FIXME: all this code stinks. */
const SDL_assert_data *data = SDL_Windows_AssertData;
char buf[1024];
const int w = 100;
const int h = 25;
const int gap = 10;
int x = gap;
int y = 50;
int len;
int i;
static const struct {
const char *name;
SDL_assert_state state;
} buttons[] = {
{"Abort", SDL_ASSERTION_ABORT },
{"Break", SDL_ASSERTION_BREAK },
{"Retry", SDL_ASSERTION_RETRY },
{"Ignore", SDL_ASSERTION_IGNORE },
{"Always Ignore", SDL_ASSERTION_ALWAYS_IGNORE },
};
len = (int) SDL_snprintf(buf, sizeof (buf),
"Assertion failure at %s (%s:%d), triggered %u time%s:\r\n '%s'",
data->function, data->filename, data->linenum,
data->trigger_count, (data->trigger_count == 1) ? "" : "s",
data->condition);
if ((len < 0) || (len >= sizeof (buf))) {
buf[sizeof (buf) - 1] = '\0';
}
CreateWindowA("STATIC", buf,
WS_VISIBLE | WS_CHILD | SS_LEFT,
x, y, 550, 100,
hwnd, (HMENU) 1, NULL, NULL);
y += 110;
for (i = 0; i < (sizeof (buttons) / sizeof (buttons[0])); i++) {
CreateWindowA("BUTTON", buttons[i].name,
WS_VISIBLE | WS_CHILD,
x, y, w, h,
hwnd, (HMENU) buttons[i].state, NULL, NULL);
x += w + gap;
}
break;
}
case WM_COMMAND:
SDL_Windows_AssertChoice = ((SDL_assert_state) (LOWORD(wParam)));
SDL_Windows_AssertData = NULL;
break;
case WM_DESTROY:
SDL_Windows_AssertData = NULL;
break;
}
return DefWindowProc(hwnd, msg, wParam, lParam);
}
static SDL_assert_state
SDL_PromptAssertion(const SDL_assert_data *data, void *userdata)
{
#ifdef __WIN32__
#define ENDLINE "\r\n"
#else
#define ENDLINE "\n"
#endif
const char *envr;
SDL_assert_state state = SDL_ASSERTION_ABORT;
SDL_Window *window;
SDL_MessageBoxData messagebox;
SDL_MessageBoxButtonData buttons[] = {
{ 0, SDL_ASSERTION_RETRY, "Retry" },
{ 0, SDL_ASSERTION_BREAK, "Break" },
{ 0, SDL_ASSERTION_ABORT, "Abort" },
{ SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT,
SDL_ASSERTION_IGNORE, "Ignore"
},
{ SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT,
SDL_ASSERTION_ALWAYS_IGNORE, "Always Ignore"
}
};
char *message;
int selected;
(void) userdata; /* unused in default handler. */
message = SDL_stack_alloc(char, SDL_MAX_LOG_MESSAGE);
if (!message) {
/* Uh oh, we're in real trouble now... */
return SDL_ASSERTION_ABORT;
}
SDL_snprintf(message, SDL_MAX_LOG_MESSAGE,
"Assertion failure at %s (%s:%d), triggered %u %s:" ENDLINE
" '%s'",
data->function, data->filename, data->linenum,
data->trigger_count, (data->trigger_count == 1) ? "time" : "times",
data->condition);
debug_print("\n\n%s\n\n", message);
/* let env. variable override, so unit tests won't block in a GUI. */
envr = SDL_getenv("SDL_ASSERT");
if (envr != NULL) {
SDL_stack_free(message);
if (SDL_strcmp(envr, "abort") == 0) {
return SDL_ASSERTION_ABORT;
} else if (SDL_strcmp(envr, "break") == 0) {
return SDL_ASSERTION_BREAK;
} else if (SDL_strcmp(envr, "retry") == 0) {
return SDL_ASSERTION_RETRY;
} else if (SDL_strcmp(envr, "ignore") == 0) {
return SDL_ASSERTION_IGNORE;
} else if (SDL_strcmp(envr, "always_ignore") == 0) {
return SDL_ASSERTION_ALWAYS_IGNORE;
} else {
return SDL_ASSERTION_ABORT; /* oh well. */
}
}
/* Leave fullscreen mode, if possible (scary!) */
window = SDL_GetFocusWindow();
if (window) {
if (SDL_GetWindowFlags(window) & SDL_WINDOW_FULLSCREEN) {
SDL_MinimizeWindow(window);
} else {
/* !!! FIXME: ungrab the input if we're not fullscreen? */
/* No need to mess with the window */
window = NULL;
}
}
/* Show a messagebox if we can, otherwise fall back to stdio */
SDL_zero(messagebox);
messagebox.flags = SDL_MESSAGEBOX_WARNING;
messagebox.window = window;
messagebox.title = "Assertion Failed";
messagebox.message = message;
messagebox.numbuttons = SDL_arraysize(buttons);
messagebox.buttons = buttons;
if (SDL_ShowMessageBox(&messagebox, &selected) == 0) {
if (selected == -1) {
state = SDL_ASSERTION_IGNORE;
} else {
state = (SDL_assert_state)selected;
}
}
#ifdef HAVE_STDIO_H
else
{
/* this is a little hacky. */
for ( ; ; ) {
char buf[32];
fprintf(stderr, "Abort/Break/Retry/Ignore/AlwaysIgnore? [abriA] : ");
fflush(stderr);
if (fgets(buf, sizeof (buf), stdin) == NULL) {
break;
}
if (SDL_strcmp(buf, "a") == 0) {
state = SDL_ASSERTION_ABORT;
break;
} else if (SDL_strcmp(buf, "b") == 0) {
state = SDL_ASSERTION_BREAK;
break;
} else if (SDL_strcmp(buf, "r") == 0) {
state = SDL_ASSERTION_RETRY;
break;
} else if (SDL_strcmp(buf, "i") == 0) {
state = SDL_ASSERTION_IGNORE;
break;
} else if (SDL_strcmp(buf, "A") == 0) {
state = SDL_ASSERTION_ALWAYS_IGNORE;
break;
}
}
}
#endif /* HAVE_STDIO_H */
/* Re-enter fullscreen mode */
if (window) {
SDL_RestoreWindow(window);
}
SDL_stack_free(message);
return state;
}
SDL_RWops *
SDL_RWFromFile(const char *file, const char *mode)
{
SDL_RWops *rwops = NULL;
if (!file || !*file || !mode || !*mode) {
SDL_SetError("SDL_RWFromFile(): No file or no mode specified");
return NULL;
}
#if defined(ANDROID)
#ifdef HAVE_STDIO_H
/* Try to open the file on the filesystem first */
FILE *fp = fopen(file, mode);
if (fp) {
return SDL_RWFromFP(fp, 1);
} else {
/* Try opening it from internal storage if it's a relative path */
char *path;
path = SDL_stack_alloc(char, PATH_MAX);
if (path) {
SDL_snprintf(path, PATH_MAX, "%s/%s",
SDL_AndroidGetInternalStoragePath(), file);
fp = fopen(path, mode);
SDL_stack_free(path);
if (fp) {
return SDL_RWFromFP(fp, 1);
}
}
}
#endif /* HAVE_STDIO_H */
/* Try to open the file from the asset system */
rwops = SDL_AllocRW();
if (!rwops)
return NULL; /* SDL_SetError already setup by SDL_AllocRW() */
if (Android_JNI_FileOpen(rwops, file, mode) < 0) {
SDL_FreeRW(rwops);
return NULL;
}
rwops->size = Android_JNI_FileSize;
rwops->seek = Android_JNI_FileSeek;
rwops->read = Android_JNI_FileRead;
rwops->write = Android_JNI_FileWrite;
rwops->close = Android_JNI_FileClose;
rwops->type = SDL_RWOPS_JNIFILE;
#elif defined(__WIN32__)
rwops = SDL_AllocRW();
if (!rwops)
return NULL; /* SDL_SetError already setup by SDL_AllocRW() */
if (windows_file_open(rwops, file, mode) < 0) {
SDL_FreeRW(rwops);
return NULL;
}
rwops->size = windows_file_size;
rwops->seek = windows_file_seek;
rwops->read = windows_file_read;
rwops->write = windows_file_write;
rwops->close = windows_file_close;
rwops->type = SDL_RWOPS_WINFILE;
#elif HAVE_STDIO_H
{
#ifdef __APPLE__
FILE *fp = SDL_OpenFPFromBundleOrFallback(file, mode);
#else
FILE *fp = fopen(file, mode);
#endif
if (fp == NULL) {
SDL_SetError("Couldn't open %s", file);
} else {
rwops = SDL_RWFromFP(fp, 1);
}
}
#else
SDL_SetError("SDL not compiled with stdio support");
#endif /* !HAVE_STDIO_H */
return (rwops);
}
