1170 lines
37 KiB
Rust
1170 lines
37 KiB
Rust
use std::{
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cell::RefCell,
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ffi::OsStr,
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mem::ManuallyDrop,
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path::{Path, PathBuf},
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rc::{Rc, Weak},
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sync::Arc,
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};
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use ::util::{ResultExt, paths::SanitizedPath};
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use anyhow::{Context as _, Result, anyhow};
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use async_task::Runnable;
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use futures::channel::oneshot::{self, Receiver};
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use itertools::Itertools;
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use parking_lot::RwLock;
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use smallvec::SmallVec;
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use windows::{
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UI::ViewManagement::UISettings,
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Win32::{
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Foundation::*,
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Graphics::{Direct3D11::ID3D11Device, Gdi::*},
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Security::Credentials::*,
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System::{Com::*, LibraryLoader::*, Ole::*, SystemInformation::*},
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UI::{Input::KeyboardAndMouse::*, Shell::*, WindowsAndMessaging::*},
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},
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core::*,
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};
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use crate::*;
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pub(crate) struct WindowsPlatform {
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inner: Rc<WindowsPlatformInner>,
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raw_window_handles: Arc<RwLock<SmallVec<[SafeHwnd; 4]>>>,
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// The below members will never change throughout the entire lifecycle of the app.
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icon: HICON,
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background_executor: BackgroundExecutor,
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foreground_executor: ForegroundExecutor,
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text_system: Arc<DirectWriteTextSystem>,
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windows_version: WindowsVersion,
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drop_target_helper: IDropTargetHelper,
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handle: HWND,
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disable_direct_composition: bool,
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}
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struct WindowsPlatformInner {
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state: RefCell<WindowsPlatformState>,
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raw_window_handles: std::sync::Weak<RwLock<SmallVec<[SafeHwnd; 4]>>>,
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// The below members will never change throughout the entire lifecycle of the app.
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validation_number: usize,
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main_receiver: flume::Receiver<Runnable>,
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}
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pub(crate) struct WindowsPlatformState {
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callbacks: PlatformCallbacks,
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menus: Vec<OwnedMenu>,
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jump_list: JumpList,
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// NOTE: standard cursor handles don't need to close.
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pub(crate) current_cursor: Option<HCURSOR>,
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directx_devices: ManuallyDrop<DirectXDevices>,
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}
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#[derive(Default)]
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struct PlatformCallbacks {
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open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
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quit: Option<Box<dyn FnMut()>>,
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reopen: Option<Box<dyn FnMut()>>,
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app_menu_action: Option<Box<dyn FnMut(&dyn Action)>>,
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will_open_app_menu: Option<Box<dyn FnMut()>>,
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validate_app_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
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keyboard_layout_change: Option<Box<dyn FnMut()>>,
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}
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impl WindowsPlatformState {
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fn new(directx_devices: DirectXDevices) -> Self {
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let callbacks = PlatformCallbacks::default();
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let jump_list = JumpList::new();
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let current_cursor = load_cursor(CursorStyle::Arrow);
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let directx_devices = ManuallyDrop::new(directx_devices);
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Self {
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callbacks,
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jump_list,
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current_cursor,
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directx_devices,
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menus: Vec::new(),
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}
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}
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}
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impl WindowsPlatform {
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pub(crate) fn new() -> Result<Self> {
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unsafe {
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OleInitialize(None).context("unable to initialize Windows OLE")?;
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}
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let directx_devices = DirectXDevices::new().context("Creating DirectX devices")?;
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let (main_sender, main_receiver) = flume::unbounded::<Runnable>();
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let validation_number = if usize::BITS == 64 {
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rand::random::<u64>() as usize
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} else {
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rand::random::<u32>() as usize
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};
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let raw_window_handles = Arc::new(RwLock::new(SmallVec::new()));
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let text_system = Arc::new(
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DirectWriteTextSystem::new(&directx_devices)
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.context("Error creating DirectWriteTextSystem")?,
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);
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register_platform_window_class();
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let mut context = PlatformWindowCreateContext {
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inner: None,
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raw_window_handles: Arc::downgrade(&raw_window_handles),
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validation_number,
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main_receiver: Some(main_receiver),
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directx_devices: Some(directx_devices),
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};
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let result = unsafe {
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CreateWindowExW(
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WINDOW_EX_STYLE(0),
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PLATFORM_WINDOW_CLASS_NAME,
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None,
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WINDOW_STYLE(0),
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0,
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0,
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0,
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0,
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Some(HWND_MESSAGE),
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None,
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None,
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Some(&context as *const _ as *const _),
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)
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};
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let inner = context.inner.take().unwrap()?;
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let handle = result?;
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let dispatcher = Arc::new(WindowsDispatcher::new(
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main_sender,
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handle,
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validation_number,
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));
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let disable_direct_composition = std::env::var(DISABLE_DIRECT_COMPOSITION)
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.is_ok_and(|value| value == "true" || value == "1");
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let background_executor = BackgroundExecutor::new(dispatcher.clone());
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let foreground_executor = ForegroundExecutor::new(dispatcher);
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let drop_target_helper: IDropTargetHelper = unsafe {
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CoCreateInstance(&CLSID_DragDropHelper, None, CLSCTX_INPROC_SERVER)
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.context("Error creating drop target helper.")?
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};
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let icon = load_icon().unwrap_or_default();
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let windows_version = WindowsVersion::new().context("Error retrieve windows version")?;
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Ok(Self {
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inner,
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handle,
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raw_window_handles,
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icon,
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background_executor,
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foreground_executor,
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text_system,
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disable_direct_composition,
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windows_version,
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drop_target_helper,
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})
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}
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pub fn window_from_hwnd(&self, hwnd: HWND) -> Option<Rc<WindowsWindowInner>> {
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self.raw_window_handles
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.read()
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.iter()
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.find(|entry| entry.as_raw() == hwnd)
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.and_then(|hwnd| window_from_hwnd(hwnd.as_raw()))
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}
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#[inline]
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fn post_message(&self, message: u32, wparam: WPARAM, lparam: LPARAM) {
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self.raw_window_handles
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.read()
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.iter()
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.for_each(|handle| unsafe {
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PostMessageW(Some(handle.as_raw()), message, wparam, lparam).log_err();
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});
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}
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fn generate_creation_info(&self) -> WindowCreationInfo {
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WindowCreationInfo {
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icon: self.icon,
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executor: self.foreground_executor.clone(),
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current_cursor: self.inner.state.borrow().current_cursor,
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windows_version: self.windows_version,
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drop_target_helper: self.drop_target_helper.clone(),
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validation_number: self.inner.validation_number,
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main_receiver: self.inner.main_receiver.clone(),
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platform_window_handle: self.handle,
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disable_direct_composition: self.disable_direct_composition,
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directx_devices: (*self.inner.state.borrow().directx_devices).clone(),
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}
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}
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fn set_dock_menus(&self, menus: Vec<MenuItem>) {
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let mut actions = Vec::new();
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menus.into_iter().for_each(|menu| {
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if let Some(dock_menu) = DockMenuItem::new(menu).log_err() {
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actions.push(dock_menu);
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}
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});
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let mut lock = self.inner.state.borrow_mut();
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lock.jump_list.dock_menus = actions;
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update_jump_list(&lock.jump_list).log_err();
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}
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fn update_jump_list(
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&self,
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menus: Vec<MenuItem>,
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entries: Vec<SmallVec<[PathBuf; 2]>>,
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) -> Vec<SmallVec<[PathBuf; 2]>> {
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let mut actions = Vec::new();
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menus.into_iter().for_each(|menu| {
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if let Some(dock_menu) = DockMenuItem::new(menu).log_err() {
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actions.push(dock_menu);
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}
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});
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let mut lock = self.inner.state.borrow_mut();
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lock.jump_list.dock_menus = actions;
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lock.jump_list.recent_workspaces = entries;
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update_jump_list(&lock.jump_list)
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.log_err()
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.unwrap_or_default()
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}
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fn find_current_active_window(&self) -> Option<HWND> {
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let active_window_hwnd = unsafe { GetActiveWindow() };
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if active_window_hwnd.is_invalid() {
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return None;
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}
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self.raw_window_handles
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.read()
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.iter()
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.find(|hwnd| hwnd.as_raw() == active_window_hwnd)
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.map(|hwnd| hwnd.as_raw())
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}
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fn begin_vsync_thread(&self) {
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let mut directx_device = (*self.inner.state.borrow().directx_devices).clone();
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let platform_window: SafeHwnd = self.handle.into();
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let validation_number = self.inner.validation_number;
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let all_windows = Arc::downgrade(&self.raw_window_handles);
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let text_system = Arc::downgrade(&self.text_system);
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std::thread::Builder::new()
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.name("VSyncProvider".to_owned())
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.spawn(move || {
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let vsync_provider = VSyncProvider::new();
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loop {
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vsync_provider.wait_for_vsync();
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if check_device_lost(&directx_device.device) {
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handle_gpu_device_lost(
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&mut directx_device,
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platform_window.as_raw(),
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validation_number,
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&all_windows,
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&text_system,
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);
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}
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let Some(all_windows) = all_windows.upgrade() else {
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break;
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};
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for hwnd in all_windows.read().iter() {
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unsafe {
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let _ = RedrawWindow(Some(hwnd.as_raw()), None, None, RDW_INVALIDATE);
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}
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}
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}
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})
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.unwrap();
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}
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}
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impl Platform for WindowsPlatform {
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fn background_executor(&self) -> BackgroundExecutor {
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self.background_executor.clone()
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}
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fn foreground_executor(&self) -> ForegroundExecutor {
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self.foreground_executor.clone()
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}
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fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
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self.text_system.clone()
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}
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fn keyboard_layout(&self) -> Box<dyn PlatformKeyboardLayout> {
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Box::new(
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WindowsKeyboardLayout::new()
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.log_err()
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.unwrap_or(WindowsKeyboardLayout::unknown()),
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)
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}
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fn keyboard_mapper(&self) -> Rc<dyn PlatformKeyboardMapper> {
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Rc::new(WindowsKeyboardMapper::new())
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}
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fn on_keyboard_layout_change(&self, callback: Box<dyn FnMut()>) {
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self.inner
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.state
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.borrow_mut()
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.callbacks
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.keyboard_layout_change = Some(callback);
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}
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fn run(&self, on_finish_launching: Box<dyn 'static + FnOnce()>) {
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on_finish_launching();
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self.begin_vsync_thread();
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let mut msg = MSG::default();
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unsafe {
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while GetMessageW(&mut msg, None, 0, 0).as_bool() {
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DispatchMessageW(&msg);
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}
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}
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if let Some(ref mut callback) = self.inner.state.borrow_mut().callbacks.quit {
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callback();
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}
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}
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fn quit(&self) {
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self.foreground_executor()
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.spawn(async { unsafe { PostQuitMessage(0) } })
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.detach();
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}
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fn restart(&self, binary_path: Option<PathBuf>) {
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let pid = std::process::id();
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let Some(app_path) = binary_path.or(self.app_path().log_err()) else {
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return;
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};
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let script = format!(
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r#"
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$pidToWaitFor = {}
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$exePath = "{}"
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while ($true) {{
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$process = Get-Process -Id $pidToWaitFor -ErrorAction SilentlyContinue
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if (-not $process) {{
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Start-Process -FilePath $exePath
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break
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}}
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Start-Sleep -Seconds 0.1
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}}
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"#,
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pid,
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app_path.display(),
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);
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#[allow(
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clippy::disallowed_methods,
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reason = "We are restarting ourselves, using std command thus is fine"
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)]
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let restart_process = util::command::new_std_command("powershell.exe")
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.arg("-command")
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.arg(script)
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.spawn();
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match restart_process {
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Ok(_) => self.quit(),
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Err(e) => log::error!("failed to spawn restart script: {:?}", e),
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}
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}
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|
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fn activate(&self, _ignoring_other_apps: bool) {}
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fn hide(&self) {}
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// todo(windows)
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fn hide_other_apps(&self) {
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unimplemented!()
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}
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|
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// todo(windows)
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fn unhide_other_apps(&self) {
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unimplemented!()
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}
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|
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fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
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WindowsDisplay::displays()
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}
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|
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fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
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WindowsDisplay::primary_monitor().map(|display| Rc::new(display) as Rc<dyn PlatformDisplay>)
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}
|
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|
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#[cfg(feature = "screen-capture")]
|
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fn is_screen_capture_supported(&self) -> bool {
|
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true
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}
|
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|
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#[cfg(feature = "screen-capture")]
|
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fn screen_capture_sources(
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&self,
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) -> oneshot::Receiver<Result<Vec<Rc<dyn ScreenCaptureSource>>>> {
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crate::platform::scap_screen_capture::scap_screen_sources(&self.foreground_executor)
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}
|
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|
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fn active_window(&self) -> Option<AnyWindowHandle> {
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let active_window_hwnd = unsafe { GetActiveWindow() };
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self.window_from_hwnd(active_window_hwnd)
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.map(|inner| inner.handle)
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}
|
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|
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fn open_window(
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&self,
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handle: AnyWindowHandle,
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options: WindowParams,
|
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) -> Result<Box<dyn PlatformWindow>> {
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let window = WindowsWindow::new(handle, options, self.generate_creation_info())?;
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let handle = window.get_raw_handle();
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self.raw_window_handles.write().push(handle.into());
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|
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Ok(Box::new(window))
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}
|
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|
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fn window_appearance(&self) -> WindowAppearance {
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system_appearance().log_err().unwrap_or_default()
|
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}
|
|
|
|
fn open_url(&self, url: &str) {
|
|
if url.is_empty() {
|
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return;
|
|
}
|
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let url_string = url.to_string();
|
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self.background_executor()
|
|
.spawn(async move {
|
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open_target(&url_string)
|
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.with_context(|| format!("Opening url: {}", url_string))
|
|
.log_err();
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
|
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self.inner.state.borrow_mut().callbacks.open_urls = Some(callback);
|
|
}
|
|
|
|
fn prompt_for_paths(
|
|
&self,
|
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options: PathPromptOptions,
|
|
) -> Receiver<Result<Option<Vec<PathBuf>>>> {
|
|
let (tx, rx) = oneshot::channel();
|
|
let window = self.find_current_active_window();
|
|
self.foreground_executor()
|
|
.spawn(async move {
|
|
let _ = tx.send(file_open_dialog(options, window));
|
|
})
|
|
.detach();
|
|
|
|
rx
|
|
}
|
|
|
|
fn prompt_for_new_path(
|
|
&self,
|
|
directory: &Path,
|
|
suggested_name: Option<&str>,
|
|
) -> Receiver<Result<Option<PathBuf>>> {
|
|
let directory = directory.to_owned();
|
|
let suggested_name = suggested_name.map(|s| s.to_owned());
|
|
let (tx, rx) = oneshot::channel();
|
|
let window = self.find_current_active_window();
|
|
self.foreground_executor()
|
|
.spawn(async move {
|
|
let _ = tx.send(file_save_dialog(directory, suggested_name, window));
|
|
})
|
|
.detach();
|
|
|
|
rx
|
|
}
|
|
|
|
fn can_select_mixed_files_and_dirs(&self) -> bool {
|
|
// The FOS_PICKFOLDERS flag toggles between "only files" and "only folders".
|
|
false
|
|
}
|
|
|
|
fn reveal_path(&self, path: &Path) {
|
|
if path.as_os_str().is_empty() {
|
|
return;
|
|
}
|
|
let path = path.to_path_buf();
|
|
self.background_executor()
|
|
.spawn(async move {
|
|
open_target_in_explorer(&path)
|
|
.with_context(|| format!("Revealing path {} in explorer", path.display()))
|
|
.log_err();
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
fn open_with_system(&self, path: &Path) {
|
|
if path.as_os_str().is_empty() {
|
|
return;
|
|
}
|
|
let path = path.to_path_buf();
|
|
self.background_executor()
|
|
.spawn(async move {
|
|
open_target(&path)
|
|
.with_context(|| format!("Opening {} with system", path.display()))
|
|
.log_err();
|
|
})
|
|
.detach();
|
|
}
|
|
|
|
fn on_quit(&self, callback: Box<dyn FnMut()>) {
|
|
self.inner.state.borrow_mut().callbacks.quit = Some(callback);
|
|
}
|
|
|
|
fn on_reopen(&self, callback: Box<dyn FnMut()>) {
|
|
self.inner.state.borrow_mut().callbacks.reopen = Some(callback);
|
|
}
|
|
|
|
fn set_menus(&self, menus: Vec<Menu>, _keymap: &Keymap) {
|
|
self.inner.state.borrow_mut().menus = menus.into_iter().map(|menu| menu.owned()).collect();
|
|
}
|
|
|
|
fn get_menus(&self) -> Option<Vec<OwnedMenu>> {
|
|
Some(self.inner.state.borrow().menus.clone())
|
|
}
|
|
|
|
fn set_dock_menu(&self, menus: Vec<MenuItem>, _keymap: &Keymap) {
|
|
self.set_dock_menus(menus);
|
|
}
|
|
|
|
fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
|
|
self.inner.state.borrow_mut().callbacks.app_menu_action = Some(callback);
|
|
}
|
|
|
|
fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
|
|
self.inner.state.borrow_mut().callbacks.will_open_app_menu = Some(callback);
|
|
}
|
|
|
|
fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
|
|
self.inner
|
|
.state
|
|
.borrow_mut()
|
|
.callbacks
|
|
.validate_app_menu_command = Some(callback);
|
|
}
|
|
|
|
fn app_path(&self) -> Result<PathBuf> {
|
|
Ok(std::env::current_exe()?)
|
|
}
|
|
|
|
// todo(windows)
|
|
fn path_for_auxiliary_executable(&self, _name: &str) -> Result<PathBuf> {
|
|
anyhow::bail!("not yet implemented");
|
|
}
|
|
|
|
fn set_cursor_style(&self, style: CursorStyle) {
|
|
let hcursor = load_cursor(style);
|
|
let mut lock = self.inner.state.borrow_mut();
|
|
if lock.current_cursor.map(|c| c.0) != hcursor.map(|c| c.0) {
|
|
self.post_message(
|
|
WM_GPUI_CURSOR_STYLE_CHANGED,
|
|
WPARAM(0),
|
|
LPARAM(hcursor.map_or(0, |c| c.0 as isize)),
|
|
);
|
|
lock.current_cursor = hcursor;
|
|
}
|
|
}
|
|
|
|
fn should_auto_hide_scrollbars(&self) -> bool {
|
|
should_auto_hide_scrollbars().log_err().unwrap_or(false)
|
|
}
|
|
|
|
fn write_to_clipboard(&self, item: ClipboardItem) {
|
|
write_to_clipboard(item);
|
|
}
|
|
|
|
fn read_from_clipboard(&self) -> Option<ClipboardItem> {
|
|
read_from_clipboard()
|
|
}
|
|
|
|
fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
|
|
let mut password = password.to_vec();
|
|
let mut username = username.encode_utf16().chain(Some(0)).collect_vec();
|
|
let mut target_name = windows_credentials_target_name(url)
|
|
.encode_utf16()
|
|
.chain(Some(0))
|
|
.collect_vec();
|
|
self.foreground_executor().spawn(async move {
|
|
let credentials = CREDENTIALW {
|
|
LastWritten: unsafe { GetSystemTimeAsFileTime() },
|
|
Flags: CRED_FLAGS(0),
|
|
Type: CRED_TYPE_GENERIC,
|
|
TargetName: PWSTR::from_raw(target_name.as_mut_ptr()),
|
|
CredentialBlobSize: password.len() as u32,
|
|
CredentialBlob: password.as_ptr() as *mut _,
|
|
Persist: CRED_PERSIST_LOCAL_MACHINE,
|
|
UserName: PWSTR::from_raw(username.as_mut_ptr()),
|
|
..CREDENTIALW::default()
|
|
};
|
|
unsafe { CredWriteW(&credentials, 0) }?;
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
|
|
let mut target_name = windows_credentials_target_name(url)
|
|
.encode_utf16()
|
|
.chain(Some(0))
|
|
.collect_vec();
|
|
self.foreground_executor().spawn(async move {
|
|
let mut credentials: *mut CREDENTIALW = std::ptr::null_mut();
|
|
unsafe {
|
|
CredReadW(
|
|
PCWSTR::from_raw(target_name.as_ptr()),
|
|
CRED_TYPE_GENERIC,
|
|
None,
|
|
&mut credentials,
|
|
)?
|
|
};
|
|
|
|
if credentials.is_null() {
|
|
Ok(None)
|
|
} else {
|
|
let username: String = unsafe { (*credentials).UserName.to_string()? };
|
|
let credential_blob = unsafe {
|
|
std::slice::from_raw_parts(
|
|
(*credentials).CredentialBlob,
|
|
(*credentials).CredentialBlobSize as usize,
|
|
)
|
|
};
|
|
let password = credential_blob.to_vec();
|
|
unsafe { CredFree(credentials as *const _ as _) };
|
|
Ok(Some((username, password)))
|
|
}
|
|
})
|
|
}
|
|
|
|
fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
|
|
let mut target_name = windows_credentials_target_name(url)
|
|
.encode_utf16()
|
|
.chain(Some(0))
|
|
.collect_vec();
|
|
self.foreground_executor().spawn(async move {
|
|
unsafe {
|
|
CredDeleteW(
|
|
PCWSTR::from_raw(target_name.as_ptr()),
|
|
CRED_TYPE_GENERIC,
|
|
None,
|
|
)?
|
|
};
|
|
Ok(())
|
|
})
|
|
}
|
|
|
|
fn register_url_scheme(&self, _: &str) -> Task<anyhow::Result<()>> {
|
|
Task::ready(Err(anyhow!("register_url_scheme unimplemented")))
|
|
}
|
|
|
|
fn perform_dock_menu_action(&self, action: usize) {
|
|
unsafe {
|
|
PostMessageW(
|
|
Some(self.handle),
|
|
WM_GPUI_DOCK_MENU_ACTION,
|
|
WPARAM(self.inner.validation_number),
|
|
LPARAM(action as isize),
|
|
)
|
|
.log_err();
|
|
}
|
|
}
|
|
|
|
fn update_jump_list(
|
|
&self,
|
|
menus: Vec<MenuItem>,
|
|
entries: Vec<SmallVec<[PathBuf; 2]>>,
|
|
) -> Vec<SmallVec<[PathBuf; 2]>> {
|
|
self.update_jump_list(menus, entries)
|
|
}
|
|
}
|
|
|
|
impl WindowsPlatformInner {
|
|
fn new(context: &mut PlatformWindowCreateContext) -> Result<Rc<Self>> {
|
|
let state = RefCell::new(WindowsPlatformState::new(
|
|
context.directx_devices.take().unwrap(),
|
|
));
|
|
Ok(Rc::new(Self {
|
|
state,
|
|
raw_window_handles: context.raw_window_handles.clone(),
|
|
validation_number: context.validation_number,
|
|
main_receiver: context.main_receiver.take().unwrap(),
|
|
}))
|
|
}
|
|
|
|
fn handle_msg(
|
|
self: &Rc<Self>,
|
|
handle: HWND,
|
|
msg: u32,
|
|
wparam: WPARAM,
|
|
lparam: LPARAM,
|
|
) -> LRESULT {
|
|
let handled = match msg {
|
|
WM_GPUI_CLOSE_ONE_WINDOW
|
|
| WM_GPUI_TASK_DISPATCHED_ON_MAIN_THREAD
|
|
| WM_GPUI_DOCK_MENU_ACTION
|
|
| WM_GPUI_KEYBOARD_LAYOUT_CHANGED
|
|
| WM_GPUI_GPU_DEVICE_LOST => self.handle_gpui_events(msg, wparam, lparam),
|
|
_ => None,
|
|
};
|
|
if let Some(result) = handled {
|
|
LRESULT(result)
|
|
} else {
|
|
unsafe { DefWindowProcW(handle, msg, wparam, lparam) }
|
|
}
|
|
}
|
|
|
|
fn handle_gpui_events(&self, message: u32, wparam: WPARAM, lparam: LPARAM) -> Option<isize> {
|
|
if wparam.0 != self.validation_number {
|
|
log::error!("Wrong validation number while processing message: {message}");
|
|
return None;
|
|
}
|
|
match message {
|
|
WM_GPUI_CLOSE_ONE_WINDOW => {
|
|
if self.close_one_window(HWND(lparam.0 as _)) {
|
|
unsafe { PostQuitMessage(0) };
|
|
}
|
|
Some(0)
|
|
}
|
|
WM_GPUI_TASK_DISPATCHED_ON_MAIN_THREAD => self.run_foreground_task(),
|
|
WM_GPUI_DOCK_MENU_ACTION => self.handle_dock_action_event(lparam.0 as _),
|
|
WM_GPUI_KEYBOARD_LAYOUT_CHANGED => self.handle_keyboard_layout_change(),
|
|
WM_GPUI_GPU_DEVICE_LOST => self.handle_device_lost(lparam),
|
|
_ => unreachable!(),
|
|
}
|
|
}
|
|
|
|
fn close_one_window(&self, target_window: HWND) -> bool {
|
|
let Some(all_windows) = self.raw_window_handles.upgrade() else {
|
|
log::error!("Failed to upgrade raw window handles");
|
|
return false;
|
|
};
|
|
let mut lock = all_windows.write();
|
|
let index = lock
|
|
.iter()
|
|
.position(|handle| handle.as_raw() == target_window)
|
|
.unwrap();
|
|
lock.remove(index);
|
|
|
|
lock.is_empty()
|
|
}
|
|
|
|
#[inline]
|
|
fn run_foreground_task(&self) -> Option<isize> {
|
|
for runnable in self.main_receiver.drain() {
|
|
runnable.run();
|
|
}
|
|
Some(0)
|
|
}
|
|
|
|
fn handle_dock_action_event(&self, action_idx: usize) -> Option<isize> {
|
|
let mut lock = self.state.borrow_mut();
|
|
let mut callback = lock.callbacks.app_menu_action.take()?;
|
|
let Some(action) = lock
|
|
.jump_list
|
|
.dock_menus
|
|
.get(action_idx)
|
|
.map(|dock_menu| dock_menu.action.boxed_clone())
|
|
else {
|
|
lock.callbacks.app_menu_action = Some(callback);
|
|
log::error!("Dock menu for index {action_idx} not found");
|
|
return Some(1);
|
|
};
|
|
drop(lock);
|
|
callback(&*action);
|
|
self.state.borrow_mut().callbacks.app_menu_action = Some(callback);
|
|
Some(0)
|
|
}
|
|
|
|
fn handle_keyboard_layout_change(&self) -> Option<isize> {
|
|
let mut callback = self
|
|
.state
|
|
.borrow_mut()
|
|
.callbacks
|
|
.keyboard_layout_change
|
|
.take()?;
|
|
callback();
|
|
self.state.borrow_mut().callbacks.keyboard_layout_change = Some(callback);
|
|
Some(0)
|
|
}
|
|
|
|
fn handle_device_lost(&self, lparam: LPARAM) -> Option<isize> {
|
|
let mut lock = self.state.borrow_mut();
|
|
let directx_devices = lparam.0 as *const DirectXDevices;
|
|
let directx_devices = unsafe { &*directx_devices };
|
|
unsafe {
|
|
ManuallyDrop::drop(&mut lock.directx_devices);
|
|
}
|
|
lock.directx_devices = ManuallyDrop::new(directx_devices.clone());
|
|
|
|
Some(0)
|
|
}
|
|
}
|
|
|
|
impl Drop for WindowsPlatform {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
DestroyWindow(self.handle)
|
|
.context("Destroying platform window")
|
|
.log_err();
|
|
OleUninitialize();
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Drop for WindowsPlatformState {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
ManuallyDrop::drop(&mut self.directx_devices);
|
|
}
|
|
}
|
|
}
|
|
|
|
pub(crate) struct WindowCreationInfo {
|
|
pub(crate) icon: HICON,
|
|
pub(crate) executor: ForegroundExecutor,
|
|
pub(crate) current_cursor: Option<HCURSOR>,
|
|
pub(crate) windows_version: WindowsVersion,
|
|
pub(crate) drop_target_helper: IDropTargetHelper,
|
|
pub(crate) validation_number: usize,
|
|
pub(crate) main_receiver: flume::Receiver<Runnable>,
|
|
pub(crate) platform_window_handle: HWND,
|
|
pub(crate) disable_direct_composition: bool,
|
|
pub(crate) directx_devices: DirectXDevices,
|
|
}
|
|
|
|
struct PlatformWindowCreateContext {
|
|
inner: Option<Result<Rc<WindowsPlatformInner>>>,
|
|
raw_window_handles: std::sync::Weak<RwLock<SmallVec<[SafeHwnd; 4]>>>,
|
|
validation_number: usize,
|
|
main_receiver: Option<flume::Receiver<Runnable>>,
|
|
directx_devices: Option<DirectXDevices>,
|
|
}
|
|
|
|
fn open_target(target: impl AsRef<OsStr>) -> Result<()> {
|
|
let target = target.as_ref();
|
|
let ret = unsafe {
|
|
ShellExecuteW(
|
|
None,
|
|
windows::core::w!("open"),
|
|
&HSTRING::from(target),
|
|
None,
|
|
None,
|
|
SW_SHOWDEFAULT,
|
|
)
|
|
};
|
|
if ret.0 as isize <= 32 {
|
|
Err(anyhow::anyhow!(
|
|
"Unable to open target: {}",
|
|
std::io::Error::last_os_error()
|
|
))
|
|
} else {
|
|
Ok(())
|
|
}
|
|
}
|
|
|
|
fn open_target_in_explorer(target: &Path) -> Result<()> {
|
|
let dir = target.parent().context("No parent folder found")?;
|
|
let desktop = unsafe { SHGetDesktopFolder()? };
|
|
|
|
let mut dir_item = std::ptr::null_mut();
|
|
unsafe {
|
|
desktop.ParseDisplayName(
|
|
HWND::default(),
|
|
None,
|
|
&HSTRING::from(dir),
|
|
None,
|
|
&mut dir_item,
|
|
std::ptr::null_mut(),
|
|
)?;
|
|
}
|
|
|
|
let mut file_item = std::ptr::null_mut();
|
|
unsafe {
|
|
desktop.ParseDisplayName(
|
|
HWND::default(),
|
|
None,
|
|
&HSTRING::from(target),
|
|
None,
|
|
&mut file_item,
|
|
std::ptr::null_mut(),
|
|
)?;
|
|
}
|
|
|
|
let highlight = [file_item as *const _];
|
|
unsafe { SHOpenFolderAndSelectItems(dir_item as _, Some(&highlight), 0) }.or_else(|err| {
|
|
if err.code().0 == ERROR_FILE_NOT_FOUND.0 as i32 {
|
|
// On some systems, the above call mysteriously fails with "file not
|
|
// found" even though the file is there. In these cases, ShellExecute()
|
|
// seems to work as a fallback (although it won't select the file).
|
|
open_target(dir).context("Opening target parent folder")
|
|
} else {
|
|
Err(anyhow::anyhow!("Can not open target path: {}", err))
|
|
}
|
|
})
|
|
}
|
|
|
|
fn file_open_dialog(
|
|
options: PathPromptOptions,
|
|
window: Option<HWND>,
|
|
) -> Result<Option<Vec<PathBuf>>> {
|
|
let folder_dialog: IFileOpenDialog =
|
|
unsafe { CoCreateInstance(&FileOpenDialog, None, CLSCTX_ALL)? };
|
|
|
|
let mut dialog_options = FOS_FILEMUSTEXIST;
|
|
if options.multiple {
|
|
dialog_options |= FOS_ALLOWMULTISELECT;
|
|
}
|
|
if options.directories {
|
|
dialog_options |= FOS_PICKFOLDERS;
|
|
}
|
|
|
|
unsafe {
|
|
folder_dialog.SetOptions(dialog_options)?;
|
|
|
|
if let Some(prompt) = options.prompt {
|
|
let prompt: &str = &prompt;
|
|
folder_dialog.SetOkButtonLabel(&HSTRING::from(prompt))?;
|
|
}
|
|
|
|
if folder_dialog.Show(window).is_err() {
|
|
// User cancelled
|
|
return Ok(None);
|
|
}
|
|
}
|
|
|
|
let results = unsafe { folder_dialog.GetResults()? };
|
|
let file_count = unsafe { results.GetCount()? };
|
|
if file_count == 0 {
|
|
return Ok(None);
|
|
}
|
|
|
|
let mut paths = Vec::with_capacity(file_count as usize);
|
|
for i in 0..file_count {
|
|
let item = unsafe { results.GetItemAt(i)? };
|
|
let path = unsafe { item.GetDisplayName(SIGDN_FILESYSPATH)?.to_string()? };
|
|
paths.push(PathBuf::from(path));
|
|
}
|
|
|
|
Ok(Some(paths))
|
|
}
|
|
|
|
fn file_save_dialog(
|
|
directory: PathBuf,
|
|
suggested_name: Option<String>,
|
|
window: Option<HWND>,
|
|
) -> Result<Option<PathBuf>> {
|
|
let dialog: IFileSaveDialog = unsafe { CoCreateInstance(&FileSaveDialog, None, CLSCTX_ALL)? };
|
|
if !directory.to_string_lossy().is_empty()
|
|
&& let Some(full_path) = directory
|
|
.canonicalize()
|
|
.context("failed to canonicalize directory")
|
|
.log_err()
|
|
{
|
|
let full_path = SanitizedPath::new(&full_path);
|
|
let full_path_string = full_path.to_string();
|
|
let path_item: IShellItem =
|
|
unsafe { SHCreateItemFromParsingName(&HSTRING::from(full_path_string), None)? };
|
|
unsafe {
|
|
dialog
|
|
.SetFolder(&path_item)
|
|
.context("failed to set dialog folder")
|
|
.log_err()
|
|
};
|
|
}
|
|
|
|
if let Some(suggested_name) = suggested_name {
|
|
unsafe {
|
|
dialog
|
|
.SetFileName(&HSTRING::from(suggested_name))
|
|
.context("failed to set file name")
|
|
.log_err()
|
|
};
|
|
}
|
|
|
|
unsafe {
|
|
dialog.SetFileTypes(&[Common::COMDLG_FILTERSPEC {
|
|
pszName: windows::core::w!("All files"),
|
|
pszSpec: windows::core::w!("*.*"),
|
|
}])?;
|
|
if dialog.Show(window).is_err() {
|
|
// User cancelled
|
|
return Ok(None);
|
|
}
|
|
}
|
|
let shell_item = unsafe { dialog.GetResult()? };
|
|
let file_path_string = unsafe {
|
|
let pwstr = shell_item.GetDisplayName(SIGDN_FILESYSPATH)?;
|
|
let string = pwstr.to_string()?;
|
|
CoTaskMemFree(Some(pwstr.0 as _));
|
|
string
|
|
};
|
|
Ok(Some(PathBuf::from(file_path_string)))
|
|
}
|
|
|
|
fn load_icon() -> Result<HICON> {
|
|
let module = unsafe { GetModuleHandleW(None).context("unable to get module handle")? };
|
|
let handle = unsafe {
|
|
LoadImageW(
|
|
Some(module.into()),
|
|
windows::core::PCWSTR(1 as _),
|
|
IMAGE_ICON,
|
|
0,
|
|
0,
|
|
LR_DEFAULTSIZE | LR_SHARED,
|
|
)
|
|
.context("unable to load icon file")?
|
|
};
|
|
Ok(HICON(handle.0))
|
|
}
|
|
|
|
#[inline]
|
|
fn should_auto_hide_scrollbars() -> Result<bool> {
|
|
let ui_settings = UISettings::new()?;
|
|
Ok(ui_settings.AutoHideScrollBars()?)
|
|
}
|
|
|
|
fn check_device_lost(device: &ID3D11Device) -> bool {
|
|
let device_state = unsafe { device.GetDeviceRemovedReason() };
|
|
match device_state {
|
|
Ok(_) => false,
|
|
Err(err) => {
|
|
log::error!("DirectX device lost detected: {:?}", err);
|
|
true
|
|
}
|
|
}
|
|
}
|
|
|
|
fn handle_gpu_device_lost(
|
|
directx_devices: &mut DirectXDevices,
|
|
platform_window: HWND,
|
|
validation_number: usize,
|
|
all_windows: &std::sync::Weak<RwLock<SmallVec<[SafeHwnd; 4]>>>,
|
|
text_system: &std::sync::Weak<DirectWriteTextSystem>,
|
|
) {
|
|
// Here we wait a bit to ensure the system has time to recover from the device lost state.
|
|
// If we don't wait, the final drawing result will be blank.
|
|
std::thread::sleep(std::time::Duration::from_millis(350));
|
|
|
|
try_to_recover_from_device_lost(
|
|
|| {
|
|
DirectXDevices::new()
|
|
.context("Failed to recreate new DirectX devices after device lost")
|
|
},
|
|
|new_devices| *directx_devices = new_devices,
|
|
|| {
|
|
log::error!("Failed to recover DirectX devices after multiple attempts.");
|
|
// Do something here?
|
|
// At this point, the device loss is considered unrecoverable.
|
|
// std::process::exit(1);
|
|
},
|
|
);
|
|
log::info!("DirectX devices successfully recreated.");
|
|
|
|
unsafe {
|
|
SendMessageW(
|
|
platform_window,
|
|
WM_GPUI_GPU_DEVICE_LOST,
|
|
Some(WPARAM(validation_number)),
|
|
Some(LPARAM(directx_devices as *const _ as _)),
|
|
);
|
|
}
|
|
|
|
if let Some(text_system) = text_system.upgrade() {
|
|
text_system.handle_gpu_lost(&directx_devices);
|
|
}
|
|
if let Some(all_windows) = all_windows.upgrade() {
|
|
for window in all_windows.read().iter() {
|
|
unsafe {
|
|
SendMessageW(
|
|
window.as_raw(),
|
|
WM_GPUI_GPU_DEVICE_LOST,
|
|
Some(WPARAM(validation_number)),
|
|
Some(LPARAM(directx_devices as *const _ as _)),
|
|
);
|
|
}
|
|
}
|
|
std::thread::sleep(std::time::Duration::from_millis(200));
|
|
for window in all_windows.read().iter() {
|
|
unsafe {
|
|
SendMessageW(
|
|
window.as_raw(),
|
|
WM_GPUI_FORCE_UPDATE_WINDOW,
|
|
Some(WPARAM(validation_number)),
|
|
None,
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const PLATFORM_WINDOW_CLASS_NAME: PCWSTR = w!("Zed::PlatformWindow");
|
|
|
|
fn register_platform_window_class() {
|
|
let wc = WNDCLASSW {
|
|
lpfnWndProc: Some(window_procedure),
|
|
lpszClassName: PCWSTR(PLATFORM_WINDOW_CLASS_NAME.as_ptr()),
|
|
..Default::default()
|
|
};
|
|
unsafe { RegisterClassW(&wc) };
|
|
}
|
|
|
|
unsafe extern "system" fn window_procedure(
|
|
hwnd: HWND,
|
|
msg: u32,
|
|
wparam: WPARAM,
|
|
lparam: LPARAM,
|
|
) -> LRESULT {
|
|
if msg == WM_NCCREATE {
|
|
let params = lparam.0 as *const CREATESTRUCTW;
|
|
let params = unsafe { &*params };
|
|
let creation_context = params.lpCreateParams as *mut PlatformWindowCreateContext;
|
|
let creation_context = unsafe { &mut *creation_context };
|
|
return match WindowsPlatformInner::new(creation_context) {
|
|
Ok(inner) => {
|
|
let weak = Box::new(Rc::downgrade(&inner));
|
|
unsafe { set_window_long(hwnd, GWLP_USERDATA, Box::into_raw(weak) as isize) };
|
|
creation_context.inner = Some(Ok(inner));
|
|
unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) }
|
|
}
|
|
Err(error) => {
|
|
creation_context.inner = Some(Err(error));
|
|
LRESULT(0)
|
|
}
|
|
};
|
|
}
|
|
|
|
let ptr = unsafe { get_window_long(hwnd, GWLP_USERDATA) } as *mut Weak<WindowsPlatformInner>;
|
|
if ptr.is_null() {
|
|
return unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) };
|
|
}
|
|
let inner = unsafe { &*ptr };
|
|
let result = if let Some(inner) = inner.upgrade() {
|
|
inner.handle_msg(hwnd, msg, wparam, lparam)
|
|
} else {
|
|
unsafe { DefWindowProcW(hwnd, msg, wparam, lparam) }
|
|
};
|
|
|
|
if msg == WM_NCDESTROY {
|
|
unsafe { set_window_long(hwnd, GWLP_USERDATA, 0) };
|
|
unsafe { drop(Box::from_raw(ptr)) };
|
|
}
|
|
|
|
result
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use crate::{ClipboardItem, read_from_clipboard, write_to_clipboard};
|
|
|
|
#[test]
|
|
fn test_clipboard() {
|
|
let item = ClipboardItem::new_string("你好，我是张小白".to_string());
|
|
write_to_clipboard(item.clone());
|
|
assert_eq!(read_from_clipboard(), Some(item));
|
|
|
|
let item = ClipboardItem::new_string("12345".to_string());
|
|
write_to_clipboard(item.clone());
|
|
assert_eq!(read_from_clipboard(), Some(item));
|
|
|
|
let item = ClipboardItem::new_string_with_json_metadata("abcdef".to_string(), vec![3, 4]);
|
|
write_to_clipboard(item.clone());
|
|
assert_eq!(read_from_clipboard(), Some(item));
|
|
}
|
|
}
|