Wilson Giese
98 lines
2.3 KiB
Rust
98 lines
2.3 KiB
Rust
use core_foundation::base::{CFRelease, CFRetain, CFTypeID, CFTypeRef, TCFType};
|
|
|
|
use std::mem;
|
|
use std::ptr;
|
|
|
|
/// Possible source states of an event source.
|
|
#[repr(C)]
|
|
#[derive(Clone, Copy, Debug)]
|
|
pub enum CGEventSourceStateID {
|
|
Private = -1,
|
|
CombinedSessionState = 0,
|
|
HIDSystemState = 1,
|
|
}
|
|
|
|
#[repr(C)]
|
|
pub struct __CGEventSource;
|
|
|
|
pub type CGEventSourceRef = *const __CGEventSource;
|
|
|
|
pub struct CGEventSource {
|
|
obj: CGEventSourceRef,
|
|
}
|
|
|
|
impl Clone for CGEventSource {
|
|
#[inline]
|
|
fn clone(&self) -> CGEventSource {
|
|
unsafe {
|
|
TCFType::wrap_under_get_rule(self.obj)
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Drop for CGEventSource {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
let ptr = self.as_CFTypeRef();
|
|
assert!(ptr != ptr::null());
|
|
CFRelease(ptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
impl TCFType<CGEventSourceRef> for CGEventSource {
|
|
#[inline]
|
|
fn as_concrete_TypeRef(&self) -> CGEventSourceRef {
|
|
self.obj
|
|
}
|
|
|
|
#[inline]
|
|
unsafe fn wrap_under_get_rule(reference: CGEventSourceRef) -> CGEventSource {
|
|
let reference: CGEventSourceRef = mem::transmute(CFRetain(mem::transmute(reference)));
|
|
TCFType::wrap_under_create_rule(reference)
|
|
}
|
|
|
|
#[inline]
|
|
fn as_CFTypeRef(&self) -> CFTypeRef {
|
|
unsafe {
|
|
mem::transmute(self.as_concrete_TypeRef())
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
unsafe fn wrap_under_create_rule(obj: CGEventSourceRef) -> CGEventSource {
|
|
CGEventSource {
|
|
obj: obj,
|
|
}
|
|
}
|
|
|
|
#[inline]
|
|
fn type_id() -> CFTypeID {
|
|
unsafe {
|
|
CGEventSourceGetTypeID()
|
|
}
|
|
}
|
|
}
|
|
|
|
impl CGEventSource {
|
|
pub fn new(state_id: CGEventSourceStateID) -> Result<CGEventSource, ()> {
|
|
unsafe {
|
|
let event_source_ref = CGEventSourceCreate(state_id);
|
|
if event_source_ref != ptr::null() {
|
|
Ok(TCFType::wrap_under_create_rule(event_source_ref))
|
|
} else {
|
|
Err(())
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#[link(name = "ApplicationServices", kind = "framework")]
|
|
extern {
|
|
/// Return the type identifier for the opaque type `CGEventSourceRef'.
|
|
fn CGEventSourceGetTypeID() -> CFTypeID;
|
|
|
|
/// Return a Quartz event source created with a specified source state.
|
|
fn CGEventSourceCreate(stateID: CGEventSourceStateID) -> CGEventSourceRef;
|
|
}
|