Linux: Modify _glfwPollJoystickLinux return true only when new valid event

To keep consistent with the event reporting mechanism, and returns true only
when a new valid event occurs
This commit is contained in:
iysheng 2022-09-22 17:30:13 +08:00
parent dd8a678a66
commit 0a19ea0a3e

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@ -385,6 +385,7 @@ void _glfwTerminateJoysticksLinux(void)
GLFWbool _glfwPollJoystickLinux(_GLFWjoystick* js, int mode) GLFWbool _glfwPollJoystickLinux(_GLFWjoystick* js, int mode)
{ {
// Read all queued events (non-blocking) // Read all queued events (non-blocking)
GLFWbool event_valid = GLFW_FALSE;
for (;;) for (;;)
{ {
struct input_event e; struct input_event e;
@ -395,6 +396,8 @@ GLFWbool _glfwPollJoystickLinux(_GLFWjoystick* js, int mode)
// Reset the joystick slot if the device was disconnected // Reset the joystick slot if the device was disconnected
if (errno == ENODEV) if (errno == ENODEV)
closeJoystick(js); closeJoystick(js);
else if ((errno == EAGAIN) && (mode != _GLFW_POLL_PRESENCE))
return event_valid;
break; break;
} }
@ -406,6 +409,7 @@ GLFWbool _glfwPollJoystickLinux(_GLFWjoystick* js, int mode)
else if (e.code == SYN_REPORT) else if (e.code == SYN_REPORT)
{ {
_glfw.linjs.dropped = GLFW_FALSE; _glfw.linjs.dropped = GLFW_FALSE;
event_valid = GLFW_TRUE;
pollAbsState(js); pollAbsState(js);
} }
} }