49
glfw/linux_joystick.c
vendored
49
glfw/linux_joystick.c
vendored
@@ -104,9 +104,7 @@ static void handleAbsEvent(_GLFWjoystick* js, int code, int value)
|
||||
//
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||||
static void pollAbsState(_GLFWjoystick* js)
|
||||
{
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||||
int code;
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||||
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||||
for (code = 0; code < ABS_CNT; code++)
|
||||
for (int code = 0; code < ABS_CNT; code++)
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||||
{
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||||
if (js->linjs.absMap[code] < 0)
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||||
continue;
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||||
@@ -126,18 +124,7 @@ static void pollAbsState(_GLFWjoystick* js)
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||||
//
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||||
static bool openJoystickDevice(const char* path)
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||||
{
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||||
int jid, code;
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||||
char name[256] = "";
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||||
char guid[33] = "";
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||||
char evBits[(EV_CNT + 7) / 8] = {0};
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||||
char keyBits[(KEY_CNT + 7) / 8] = {0};
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||||
char absBits[(ABS_CNT + 7) / 8] = {0};
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||||
int axisCount = 0, buttonCount = 0, hatCount = 0;
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||||
struct input_id id;
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||||
_GLFWjoystickLinux linjs = {0};
|
||||
_GLFWjoystick* js = NULL;
|
||||
|
||||
for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++)
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||||
for (int jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++)
|
||||
{
|
||||
if (!_glfw.joysticks[jid].present)
|
||||
continue;
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||||
@@ -145,10 +132,16 @@ static bool openJoystickDevice(const char* path)
|
||||
return false;
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||||
}
|
||||
|
||||
_GLFWjoystickLinux linjs = {0};
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||||
linjs.fd = open(path, O_RDONLY | O_NONBLOCK);
|
||||
if (linjs.fd == -1)
|
||||
return false;
|
||||
|
||||
char evBits[(EV_CNT + 7) / 8] = {0};
|
||||
char keyBits[(KEY_CNT + 7) / 8] = {0};
|
||||
char absBits[(ABS_CNT + 7) / 8] = {0};
|
||||
struct input_id id;
|
||||
|
||||
if (ioctl(linjs.fd, EVIOCGBIT(0, sizeof(evBits)), evBits) < 0 ||
|
||||
ioctl(linjs.fd, EVIOCGBIT(EV_KEY, sizeof(keyBits)), keyBits) < 0 ||
|
||||
ioctl(linjs.fd, EVIOCGBIT(EV_ABS, sizeof(absBits)), absBits) < 0 ||
|
||||
@@ -168,9 +161,13 @@ static bool openJoystickDevice(const char* path)
|
||||
return false;
|
||||
}
|
||||
|
||||
char name[256] = "";
|
||||
|
||||
if (ioctl(linjs.fd, EVIOCGNAME(sizeof(name)), name) < 0)
|
||||
strncpy(name, "Unknown", sizeof(name));
|
||||
|
||||
char guid[33] = "";
|
||||
|
||||
// Generate a joystick GUID that matches the SDL 2.0.5+ one
|
||||
if (id.vendor && id.product && id.version)
|
||||
{
|
||||
@@ -189,7 +186,9 @@ static bool openJoystickDevice(const char* path)
|
||||
name[8], name[9], name[10]);
|
||||
}
|
||||
|
||||
for (code = BTN_MISC; code < KEY_CNT; code++)
|
||||
int axisCount = 0, buttonCount = 0, hatCount = 0;
|
||||
|
||||
for (int code = BTN_MISC; code < KEY_CNT; code++)
|
||||
{
|
||||
if (!isBitSet(code, keyBits))
|
||||
continue;
|
||||
@@ -198,7 +197,7 @@ static bool openJoystickDevice(const char* path)
|
||||
buttonCount++;
|
||||
}
|
||||
|
||||
for (code = 0; code < ABS_CNT; code++)
|
||||
for (int code = 0; code < ABS_CNT; code++)
|
||||
{
|
||||
linjs.absMap[code] = -1;
|
||||
if (!isBitSet(code, absBits))
|
||||
@@ -221,7 +220,7 @@ static bool openJoystickDevice(const char* path)
|
||||
}
|
||||
}
|
||||
|
||||
js = _glfwAllocJoystick(name, guid, axisCount, buttonCount, hatCount);
|
||||
_GLFWjoystick* js = _glfwAllocJoystick(name, guid, axisCount, buttonCount, hatCount);
|
||||
if (!js)
|
||||
{
|
||||
close(linjs.fd);
|
||||
@@ -266,8 +265,6 @@ static int compareJoysticks(const void* fp, const void* sp)
|
||||
//
|
||||
bool _glfwInitJoysticksLinux(void)
|
||||
{
|
||||
DIR* dir;
|
||||
int count = 0;
|
||||
const char* dirname = "/dev/input";
|
||||
|
||||
_glfw.linjs.inotify = inotify_init1(IN_NONBLOCK | IN_CLOEXEC);
|
||||
@@ -289,7 +286,9 @@ bool _glfwInitJoysticksLinux(void)
|
||||
return false;
|
||||
}
|
||||
|
||||
dir = opendir(dirname);
|
||||
int count = 0;
|
||||
|
||||
DIR* dir = opendir(dirname);
|
||||
if (dir)
|
||||
{
|
||||
struct dirent* entry;
|
||||
@@ -344,12 +343,12 @@ void _glfwTerminateJoysticksLinux(void)
|
||||
|
||||
void _glfwDetectJoystickConnectionLinux(void)
|
||||
{
|
||||
ssize_t offset = 0;
|
||||
char buffer[16384];
|
||||
|
||||
if (_glfw.linjs.inotify <= 0)
|
||||
return;
|
||||
|
||||
ssize_t offset = 0;
|
||||
char buffer[16384];
|
||||
const ssize_t size = read(_glfw.linjs.inotify, buffer, sizeof(buffer));
|
||||
|
||||
while (size > offset)
|
||||
@@ -369,9 +368,7 @@ void _glfwDetectJoystickConnectionLinux(void)
|
||||
openJoystickDevice(path);
|
||||
else if (e->mask & IN_DELETE)
|
||||
{
|
||||
int jid;
|
||||
|
||||
for (jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++)
|
||||
for (int jid = 0; jid <= GLFW_JOYSTICK_LAST; jid++)
|
||||
{
|
||||
if (strcmp(_glfw.joysticks[jid].linjs.path, path) == 0)
|
||||
{
|
||||
|
||||
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Block a user