mirror of
https://github.com/italicsjenga/winit-sonoma-fix.git
synced 2024-12-24 22:31:30 +11:00
parent
93c36ccf78
commit
026b331ba5
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@ -9,13 +9,12 @@ use winapi::{
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winerror::S_OK,
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},
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um::{
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libloaderapi::{GetProcAddress, LoadLibraryA},
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shellscalingapi::{
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MDT_EFFECTIVE_DPI, MONITOR_DPI_TYPE, PROCESS_DPI_AWARENESS,
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PROCESS_PER_MONITOR_DPI_AWARE,
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},
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wingdi::{GetDeviceCaps, LOGPIXELSX},
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winnt::{HRESULT, LPCSTR},
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winnt::HRESULT,
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winuser::{self, MONITOR_DEFAULTTONEAREST},
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},
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};
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@ -35,33 +34,6 @@ type GetDpiForMonitor = unsafe extern "system" fn(
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) -> HRESULT;
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type EnableNonClientDpiScaling = unsafe extern "system" fn(hwnd: HWND) -> BOOL;
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// Helper function to dynamically load function pointer.
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// `library` and `function` must be zero-terminated.
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fn get_function_impl(library: &str, function: &str) -> Option<*const c_void> {
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assert_eq!(library.chars().last(), Some('\0'));
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assert_eq!(function.chars().last(), Some('\0'));
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// Library names we will use are ASCII so we can use the A version to avoid string conversion.
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let module = unsafe { LoadLibraryA(library.as_ptr() as LPCSTR) };
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if module.is_null() {
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return None;
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}
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let function_ptr = unsafe { GetProcAddress(module, function.as_ptr() as LPCSTR) };
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if function_ptr.is_null() {
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return None;
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}
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Some(function_ptr as _)
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}
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macro_rules! get_function {
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($lib:expr, $func:ident) => {
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get_function_impl(concat!($lib, '\0'), concat!(stringify!($func), '\0'))
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.map(|f| unsafe { mem::transmute::<*const _, $func>(f) })
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};
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}
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lazy_static! {
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static ref GET_DPI_FOR_WINDOW: Option<GetDpiForWindow> =
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get_function!("user32.dll", GetDpiForWindow);
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@ -1,3 +1,4 @@
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#![allow(non_snake_case)]
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//! An events loop on Win32 is a background thread.
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//!
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//! Creating an events loop spawns a thread and blocks it in a permanent Win32 events loop.
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@ -62,6 +63,22 @@ use crate::{
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window::WindowId as RootWindowId,
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};
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type GetPointerFrameInfoHistory = unsafe extern "system" fn(
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pointerId: UINT,
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entriesCount: *mut UINT,
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pointerCount: *mut UINT,
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pointerInfo: *mut winuser::POINTER_INFO,
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) -> BOOL;
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type SkipPointerFrameMessages = unsafe extern "system" fn(pointerId: UINT) -> BOOL;
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lazy_static! {
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static ref GET_POINTER_FRAME_INFO_HISTORY: Option<GetPointerFrameInfoHistory> =
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get_function!("user32.dll", GetPointerFrameInfoHistory);
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static ref SKIP_POINTER_FRAME_MESSAGES: Option<SkipPointerFrameMessages> =
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get_function!("user32.dll", SkipPointerFrameMessages);
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}
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pub(crate) struct SubclassInput<T> {
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pub window_state: Arc<Mutex<WindowState>>,
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pub event_loop_runner: EventLoopRunnerShared<T>,
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@ -1458,60 +1475,66 @@ unsafe extern "system" fn public_window_callback<T>(
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}
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winuser::WM_POINTERDOWN | winuser::WM_POINTERUPDATE | winuser::WM_POINTERUP => {
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let pointer_id = LOWORD(wparam as DWORD) as UINT;
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let mut entries_count = 0 as UINT;
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let mut pointers_count = 0 as UINT;
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if winuser::GetPointerFrameInfoHistory(
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pointer_id,
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&mut entries_count as *mut _,
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&mut pointers_count as *mut _,
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std::ptr::null_mut(),
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) == 0
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{
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return 0;
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}
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if let (Some(GetPointerFrameInfoHistory), Some(SkipPointerFrameMessages)) = (
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*GET_POINTER_FRAME_INFO_HISTORY,
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*SKIP_POINTER_FRAME_MESSAGES,
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) {
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let pointer_id = LOWORD(wparam as DWORD) as UINT;
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let mut entries_count = 0 as UINT;
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let mut pointers_count = 0 as UINT;
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if GetPointerFrameInfoHistory(
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pointer_id,
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&mut entries_count as *mut _,
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&mut pointers_count as *mut _,
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std::ptr::null_mut(),
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) == 0
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{
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return 0;
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}
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let pointer_info_count = (entries_count * pointers_count) as usize;
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let mut pointer_infos = Vec::with_capacity(pointer_info_count);
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pointer_infos.set_len(pointer_info_count);
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if winuser::GetPointerFrameInfoHistory(
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pointer_id,
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&mut entries_count as *mut _,
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&mut pointers_count as *mut _,
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pointer_infos.as_mut_ptr(),
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) == 0
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{
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return 0;
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}
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let pointer_info_count = (entries_count * pointers_count) as usize;
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let mut pointer_infos = Vec::with_capacity(pointer_info_count);
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pointer_infos.set_len(pointer_info_count);
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if GetPointerFrameInfoHistory(
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pointer_id,
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&mut entries_count as *mut _,
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&mut pointers_count as *mut _,
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pointer_infos.as_mut_ptr(),
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) == 0
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{
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return 0;
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}
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let dpi_factor = hwnd_scale_factor(window);
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// https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-getpointerframeinfohistory
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// The information retrieved appears in reverse chronological order, with the most recent entry in the first
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// row of the returned array
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for pointer_info in pointer_infos.iter().rev() {
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let x = pointer_info.ptPixelLocation.x as f64;
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let y = pointer_info.ptPixelLocation.y as f64;
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let location = LogicalPosition::from_physical((x, y), dpi_factor);
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subclass_input.send_event(Event::WindowEvent {
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window_id: RootWindowId(WindowId(window)),
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event: WindowEvent::Touch(Touch {
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phase: if pointer_info.pointerFlags & winuser::POINTER_FLAG_DOWN != 0 {
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TouchPhase::Started
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} else if pointer_info.pointerFlags & winuser::POINTER_FLAG_UP != 0 {
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TouchPhase::Ended
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} else if pointer_info.pointerFlags & winuser::POINTER_FLAG_UPDATE != 0 {
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TouchPhase::Moved
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} else {
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continue;
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},
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location,
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id: pointer_info.pointerId as u64,
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device_id: DEVICE_ID,
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}),
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});
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}
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let dpi_factor = hwnd_scale_factor(window);
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// https://docs.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-getpointerframeinfohistory
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// The information retrieved appears in reverse chronological order, with the most recent entry in the first
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// row of the returned array
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for pointer_info in pointer_infos.iter().rev() {
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let x = pointer_info.ptPixelLocation.x as f64;
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let y = pointer_info.ptPixelLocation.y as f64;
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let location = LogicalPosition::from_physical((x, y), dpi_factor);
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subclass_input.send_event(Event::WindowEvent {
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window_id: RootWindowId(WindowId(window)),
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event: WindowEvent::Touch(Touch {
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phase: if pointer_info.pointerFlags & winuser::POINTER_FLAG_DOWN != 0 {
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TouchPhase::Started
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} else if pointer_info.pointerFlags & winuser::POINTER_FLAG_UP != 0 {
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TouchPhase::Ended
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} else if pointer_info.pointerFlags & winuser::POINTER_FLAG_UPDATE != 0
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{
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TouchPhase::Moved
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} else {
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continue;
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},
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location,
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id: pointer_info.pointerId as u64,
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device_id: DEVICE_ID,
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}),
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});
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}
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winuser::SkipPointerFrameMessages(pointer_id);
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SkipPointerFrameMessages(pointer_id);
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}
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0
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}
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@ -67,6 +67,8 @@ impl WindowId {
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}
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}
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#[macro_use]
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mod util;
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mod dpi;
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mod drop_handler;
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mod event;
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@ -74,6 +76,5 @@ mod event_loop;
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mod icon;
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mod monitor;
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mod raw_input;
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mod util;
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mod window;
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mod window_state;
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@ -1,6 +1,7 @@
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use std::{
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io, mem,
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ops::BitAnd,
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os::raw::c_void,
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ptr, slice,
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sync::atomic::{AtomicBool, Ordering},
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};
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@ -12,9 +13,44 @@ use winapi::{
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minwindef::{BOOL, DWORD},
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windef::{HWND, POINT, RECT},
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},
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um::{winbase::lstrlenW, winuser},
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um::{
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libloaderapi::{GetProcAddress, LoadLibraryA},
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winbase::lstrlenW,
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winnt::LPCSTR,
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winuser,
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},
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};
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// Helper function to dynamically load function pointer.
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// `library` and `function` must be zero-terminated.
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pub(super) fn get_function_impl(library: &str, function: &str) -> Option<*const c_void> {
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assert_eq!(library.chars().last(), Some('\0'));
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assert_eq!(function.chars().last(), Some('\0'));
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// Library names we will use are ASCII so we can use the A version to avoid string conversion.
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let module = unsafe { LoadLibraryA(library.as_ptr() as LPCSTR) };
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if module.is_null() {
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return None;
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}
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let function_ptr = unsafe { GetProcAddress(module, function.as_ptr() as LPCSTR) };
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if function_ptr.is_null() {
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return None;
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}
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Some(function_ptr as _)
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}
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macro_rules! get_function {
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($lib:expr, $func:ident) => {
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crate::platform_impl::platform::util::get_function_impl(
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concat!($lib, '\0'),
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concat!(stringify!($func), '\0'),
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)
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.map(|f| unsafe { std::mem::transmute::<*const _, $func>(f) })
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};
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}
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pub fn has_flag<T>(bitset: T, flag: T) -> bool
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where
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T: Copy + PartialEq + BitAnd<T, Output = T>,
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Loading…
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