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Migrate from lazy_static to once_cell

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James Liu 2022-06-08 11:50:26 -07:00 • committed by GitHub
parent 4c39b3188c
commit 2c01e9e747
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18 changed files with 477 additions and 519 deletions
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129
src/platform_impl/windows/event_loop.rs
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@ -2,6 +2,7 @@
mod runner;
use once_cell::sync::Lazy;
use parking_lot::Mutex;
use std::{
cell::Cell,
@ -112,18 +113,17 @@ type GetPointerTouchInfo =
type GetPointerPenInfo =
unsafe extern "system" fn(pointId: u32, penInfo: *mut POINTER_PEN_INFO) -> BOOL;
lazy_static! {
static ref GET_POINTER_FRAME_INFO_HISTORY: Option<GetPointerFrameInfoHistory> =
get_function!("user32.dll", GetPointerFrameInfoHistory);
static ref SKIP_POINTER_FRAME_MESSAGES: Option<SkipPointerFrameMessages> =
get_function!("user32.dll", SkipPointerFrameMessages);
static ref GET_POINTER_DEVICE_RECTS: Option<GetPointerDeviceRects> =
get_function!("user32.dll", GetPointerDeviceRects);
static ref GET_POINTER_TOUCH_INFO: Option<GetPointerTouchInfo> =
get_function!("user32.dll", GetPointerTouchInfo);
static ref GET_POINTER_PEN_INFO: Option<GetPointerPenInfo> =
get_function!("user32.dll", GetPointerPenInfo);
}
static GET_POINTER_FRAME_INFO_HISTORY: Lazy<Option<GetPointerFrameInfoHistory>> =
Lazy::new(|| get_function!("user32.dll", GetPointerFrameInfoHistory));
static SKIP_POINTER_FRAME_MESSAGES: Lazy<Option<SkipPointerFrameMessages>> =
Lazy::new(|| get_function!("user32.dll", SkipPointerFrameMessages));
static GET_POINTER_DEVICE_RECTS: Lazy<Option<GetPointerDeviceRects>> =
Lazy::new(|| get_function!("user32.dll", GetPointerDeviceRects));
static GET_POINTER_TOUCH_INFO: Lazy<Option<GetPointerTouchInfo>> =
Lazy::new(|| get_function!("user32.dll", GetPointerTouchInfo));
static GET_POINTER_PEN_INFO: Lazy<Option<GetPointerPenInfo>> =
Lazy::new(|| get_function!("user32.dll", GetPointerPenInfo));
pub(crate) struct WindowData<T: 'static> {
pub window_state: Arc<Mutex<WindowState>>,
pub event_loop_runner: EventLoopRunnerShared<T>,
@ -375,19 +375,17 @@ fn get_wait_thread_id() -> u32 {
}
}
lazy_static! {
static ref WAIT_PERIOD_MIN: Option<u32> = unsafe {
let mut caps = TIMECAPS {
wPeriodMin: 0,
wPeriodMax: 0,
};
if timeGetDevCaps(&mut caps, mem::size_of::<TIMECAPS>() as u32) == TIMERR_NOERROR {
Some(caps.wPeriodMin)
} else {
None
}
static WAIT_PERIOD_MIN: Lazy<Option<u32>> = Lazy::new(|| unsafe {
let mut caps = TIMECAPS {
wPeriodMin: 0,
wPeriodMax: 0,
};
}
if timeGetDevCaps(&mut caps, mem::size_of::<TIMECAPS>() as u32) == TIMERR_NOERROR {
Some(caps.wPeriodMin)
} else {
None
}
});
fn wait_thread(parent_thread_id: u32, msg_window_id: HWND) {
unsafe {
@ -582,59 +580,36 @@ impl<T: 'static> EventLoopProxy<T> {
type WaitUntilInstantBox = Box<Instant>;
lazy_static! {
// Message sent by the `EventLoopProxy` when we want to wake up the thread.
// WPARAM and LPARAM are unused.
static ref USER_EVENT_MSG_ID: u32 = {
unsafe {
RegisterWindowMessageA("Winit::WakeupMsg\0".as_ptr())
}
};
// Message sent when we want to execute a closure in the thread.
// WPARAM contains a Box<Box<dyn FnMut()>> that must be retrieved with `Box::from_raw`,
// and LPARAM is unused.
static ref EXEC_MSG_ID: u32 = {
unsafe {
RegisterWindowMessageA("Winit::ExecMsg\0".as_ptr())
}
};
static ref PROCESS_NEW_EVENTS_MSG_ID: u32 = {
unsafe {
RegisterWindowMessageA("Winit::ProcessNewEvents\0".as_ptr())
}
};
/// lparam is the wait thread's message id.
static ref SEND_WAIT_THREAD_ID_MSG_ID: u32 = {
unsafe {
RegisterWindowMessageA("Winit::SendWaitThreadId\0".as_ptr())
}
};
/// lparam points to a `Box<Instant>` signifying the time `PROCESS_NEW_EVENTS_MSG_ID` should
/// be sent.
static ref WAIT_UNTIL_MSG_ID: u32 = {
unsafe {
RegisterWindowMessageA("Winit::WaitUntil\0".as_ptr())
}
};
static ref CANCEL_WAIT_UNTIL_MSG_ID: u32 = {
unsafe {
RegisterWindowMessageA("Winit::CancelWaitUntil\0".as_ptr())
}
};
// Message sent by a `Window` when it wants to be destroyed by the main thread.
// WPARAM and LPARAM are unused.
pub static ref DESTROY_MSG_ID: u32 = {
unsafe {
RegisterWindowMessageA("Winit::DestroyMsg\0".as_ptr())
}
};
// WPARAM is a bool specifying the `WindowFlags::MARKER_RETAIN_STATE_ON_SIZE` flag. See the
// documentation in the `window_state` module for more information.
pub static ref SET_RETAIN_STATE_ON_SIZE_MSG_ID: u32 = unsafe {
RegisterWindowMessageA("Winit::SetRetainMaximized\0".as_ptr())
};
static ref THREAD_EVENT_TARGET_WINDOW_CLASS: Vec<u16> = util::encode_wide("Winit Thread Event Target");
}
// Message sent by the `EventLoopProxy` when we want to wake up the thread.
// WPARAM and LPARAM are unused.
static USER_EVENT_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::WakeupMsg\0".as_ptr()) });
// Message sent when we want to execute a closure in the thread.
// WPARAM contains a Box<Box<dyn FnMut()>> that must be retrieved with `Box::from_raw`,
// and LPARAM is unused.
static EXEC_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::ExecMsg\0".as_ptr()) });
static PROCESS_NEW_EVENTS_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::ProcessNewEvents\0".as_ptr()) });
/// lparam is the wait thread's message id.
static SEND_WAIT_THREAD_ID_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::SendWaitThreadId\0".as_ptr()) });
/// lparam points to a `Box<Instant>` signifying the time `PROCESS_NEW_EVENTS_MSG_ID` should
/// be sent.
static WAIT_UNTIL_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::WaitUntil\0".as_ptr()) });
static CANCEL_WAIT_UNTIL_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::CancelWaitUntil\0".as_ptr()) });
// Message sent by a `Window` when it wants to be destroyed by the main thread.
// WPARAM and LPARAM are unused.
pub static DESTROY_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::DestroyMsg\0".as_ptr()) });
// WPARAM is a bool specifying the `WindowFlags::MARKER_RETAIN_STATE_ON_SIZE` flag. See the
// documentation in the `window_state` module for more information.
pub static SET_RETAIN_STATE_ON_SIZE_MSG_ID: Lazy<u32> =
Lazy::new(|| unsafe { RegisterWindowMessageA("Winit::SetRetainMaximized\0".as_ptr()) });
static THREAD_EVENT_TARGET_WINDOW_CLASS: Lazy<Vec<u16>> =
Lazy::new(|| util::encode_wide("Winit Thread Event Target"));
fn create_event_target_window<T: 'static>() -> HWND {
unsafe {