1use std::{
2 cell::RefCell,
3 mem::ManuallyDrop,
4 path::{Path, PathBuf},
5 rc::Rc,
6 sync::Arc,
7};
8
9use ::util::{ResultExt, paths::SanitizedPath};
10use anyhow::{Context as _, Result, anyhow};
11use async_task::Runnable;
12use futures::channel::oneshot::{self, Receiver};
13use itertools::Itertools;
14use parking_lot::RwLock;
15use smallvec::SmallVec;
16use windows::{
17 UI::ViewManagement::UISettings,
18 Win32::{
19 Foundation::*,
20 Graphics::{
21 Gdi::*,
22 Imaging::{CLSID_WICImagingFactory, IWICImagingFactory},
23 },
24 Security::Credentials::*,
25 System::{Com::*, LibraryLoader::*, Ole::*, SystemInformation::*, Threading::*},
26 UI::{Input::KeyboardAndMouse::*, Shell::*, WindowsAndMessaging::*},
27 },
28 core::*,
29};
30
31use crate::*;
32
33pub(crate) struct WindowsPlatform {
34 state: RefCell<WindowsPlatformState>,
35 raw_window_handles: Arc<RwLock<SmallVec<[SafeHwnd; 4]>>>,
36 // The below members will never change throughout the entire lifecycle of the app.
37 icon: HICON,
38 main_receiver: flume::Receiver<Runnable>,
39 background_executor: BackgroundExecutor,
40 foreground_executor: ForegroundExecutor,
41 text_system: Arc<DirectWriteTextSystem>,
42 windows_version: WindowsVersion,
43 bitmap_factory: ManuallyDrop<IWICImagingFactory>,
44 drop_target_helper: IDropTargetHelper,
45 validation_number: usize,
46 main_thread_id_win32: u32,
47 disable_direct_composition: bool,
48}
49
50pub(crate) struct WindowsPlatformState {
51 callbacks: PlatformCallbacks,
52 menus: Vec<OwnedMenu>,
53 jump_list: JumpList,
54 // NOTE: standard cursor handles don't need to close.
55 pub(crate) current_cursor: Option<HCURSOR>,
56}
57
58#[derive(Default)]
59struct PlatformCallbacks {
60 open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
61 quit: Option<Box<dyn FnMut()>>,
62 reopen: Option<Box<dyn FnMut()>>,
63 app_menu_action: Option<Box<dyn FnMut(&dyn Action)>>,
64 will_open_app_menu: Option<Box<dyn FnMut()>>,
65 validate_app_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
66 keyboard_layout_change: Option<Box<dyn FnMut()>>,
67}
68
69impl WindowsPlatformState {
70 fn new() -> Self {
71 let callbacks = PlatformCallbacks::default();
72 let jump_list = JumpList::new();
73 let current_cursor = load_cursor(CursorStyle::Arrow);
74
75 Self {
76 callbacks,
77 jump_list,
78 current_cursor,
79 menus: Vec::new(),
80 }
81 }
82}
83
84impl WindowsPlatform {
85 pub(crate) fn new() -> Result<Self> {
86 unsafe {
87 OleInitialize(None).context("unable to initialize Windows OLE")?;
88 }
89 let (main_sender, main_receiver) = flume::unbounded::<Runnable>();
90 let main_thread_id_win32 = unsafe { GetCurrentThreadId() };
91 let validation_number = rand::random::<usize>();
92 let dispatcher = Arc::new(WindowsDispatcher::new(
93 main_sender,
94 main_thread_id_win32,
95 validation_number,
96 ));
97 let disable_direct_composition = std::env::var(DISABLE_DIRECT_COMPOSITION)
98 .is_ok_and(|value| value == "true" || value == "1");
99 let background_executor = BackgroundExecutor::new(dispatcher.clone());
100 let foreground_executor = ForegroundExecutor::new(dispatcher);
101 let directx_devices = DirectXDevices::new(disable_direct_composition)
102 .context("Unable to init directx devices.")?;
103 let bitmap_factory = ManuallyDrop::new(unsafe {
104 CoCreateInstance(&CLSID_WICImagingFactory, None, CLSCTX_INPROC_SERVER)
105 .context("Error creating bitmap factory.")?
106 });
107 let text_system = Arc::new(
108 DirectWriteTextSystem::new(&directx_devices, &bitmap_factory)
109 .context("Error creating DirectWriteTextSystem")?,
110 );
111 let drop_target_helper: IDropTargetHelper = unsafe {
112 CoCreateInstance(&CLSID_DragDropHelper, None, CLSCTX_INPROC_SERVER)
113 .context("Error creating drop target helper.")?
114 };
115 let icon = load_icon().unwrap_or_default();
116 let state = RefCell::new(WindowsPlatformState::new());
117 let raw_window_handles = Arc::new(RwLock::new(SmallVec::new()));
118 let windows_version = WindowsVersion::new().context("Error retrieve windows version")?;
119
120 Ok(Self {
121 state,
122 raw_window_handles,
123 icon,
124 main_receiver,
125 background_executor,
126 foreground_executor,
127 text_system,
128 disable_direct_composition,
129 windows_version,
130 bitmap_factory,
131 drop_target_helper,
132 validation_number,
133 main_thread_id_win32,
134 })
135 }
136
137 pub fn window_from_hwnd(&self, hwnd: HWND) -> Option<Rc<WindowsWindowInner>> {
138 self.raw_window_handles
139 .read()
140 .iter()
141 .find(|entry| entry.as_raw() == hwnd)
142 .and_then(|hwnd| window_from_hwnd(hwnd.as_raw()))
143 }
144
145 #[inline]
146 fn post_message(&self, message: u32, wparam: WPARAM, lparam: LPARAM) {
147 self.raw_window_handles
148 .read()
149 .iter()
150 .for_each(|handle| unsafe {
151 PostMessageW(Some(handle.as_raw()), message, wparam, lparam).log_err();
152 });
153 }
154
155 fn close_one_window(&self, target_window: HWND) -> bool {
156 let mut lock = self.raw_window_handles.write();
157 let index = lock
158 .iter()
159 .position(|handle| handle.as_raw() == target_window)
160 .unwrap();
161 lock.remove(index);
162
163 lock.is_empty()
164 }
165
166 #[inline]
167 fn run_foreground_task(&self) {
168 for runnable in self.main_receiver.drain() {
169 runnable.run();
170 }
171 }
172
173 fn generate_creation_info(&self) -> WindowCreationInfo {
174 WindowCreationInfo {
175 icon: self.icon,
176 executor: self.foreground_executor.clone(),
177 current_cursor: self.state.borrow().current_cursor,
178 windows_version: self.windows_version,
179 drop_target_helper: self.drop_target_helper.clone(),
180 validation_number: self.validation_number,
181 main_receiver: self.main_receiver.clone(),
182 main_thread_id_win32: self.main_thread_id_win32,
183 disable_direct_composition: self.disable_direct_composition,
184 }
185 }
186
187 fn handle_dock_action_event(&self, action_idx: usize) {
188 let mut lock = self.state.borrow_mut();
189 if let Some(mut callback) = lock.callbacks.app_menu_action.take() {
190 let Some(action) = lock
191 .jump_list
192 .dock_menus
193 .get(action_idx)
194 .map(|dock_menu| dock_menu.action.boxed_clone())
195 else {
196 lock.callbacks.app_menu_action = Some(callback);
197 log::error!("Dock menu for index {action_idx} not found");
198 return;
199 };
200 drop(lock);
201 callback(&*action);
202 self.state.borrow_mut().callbacks.app_menu_action = Some(callback);
203 }
204 }
205
206 fn handle_input_lang_change(&self) {
207 let mut lock = self.state.borrow_mut();
208 if let Some(mut callback) = lock.callbacks.keyboard_layout_change.take() {
209 drop(lock);
210 callback();
211 self.state
212 .borrow_mut()
213 .callbacks
214 .keyboard_layout_change
215 .get_or_insert(callback);
216 }
217 }
218
219 // Returns if the app should quit.
220 fn handle_events(&self) {
221 let mut msg = MSG::default();
222 unsafe {
223 while GetMessageW(&mut msg, None, 0, 0).as_bool() {
224 match msg.message {
225 WM_QUIT => return,
226 WM_INPUTLANGCHANGE
227 | WM_GPUI_CLOSE_ONE_WINDOW
228 | WM_GPUI_TASK_DISPATCHED_ON_MAIN_THREAD
229 | WM_GPUI_DOCK_MENU_ACTION => {
230 if self.handle_gpui_events(msg.message, msg.wParam, msg.lParam, &msg) {
231 return;
232 }
233 }
234 _ => {
235 DispatchMessageW(&msg);
236 }
237 }
238 }
239 }
240 }
241
242 // Returns true if the app should quit.
243 fn handle_gpui_events(
244 &self,
245 message: u32,
246 wparam: WPARAM,
247 lparam: LPARAM,
248 msg: *const MSG,
249 ) -> bool {
250 if wparam.0 != self.validation_number {
251 unsafe { DispatchMessageW(msg) };
252 return false;
253 }
254 match message {
255 WM_GPUI_CLOSE_ONE_WINDOW => {
256 if self.close_one_window(HWND(lparam.0 as _)) {
257 return true;
258 }
259 }
260 WM_GPUI_TASK_DISPATCHED_ON_MAIN_THREAD => self.run_foreground_task(),
261 WM_GPUI_DOCK_MENU_ACTION => self.handle_dock_action_event(lparam.0 as _),
262 WM_INPUTLANGCHANGE => self.handle_input_lang_change(),
263 _ => unreachable!(),
264 }
265 false
266 }
267
268 fn set_dock_menus(&self, menus: Vec<MenuItem>) {
269 let mut actions = Vec::new();
270 menus.into_iter().for_each(|menu| {
271 if let Some(dock_menu) = DockMenuItem::new(menu).log_err() {
272 actions.push(dock_menu);
273 }
274 });
275 let mut lock = self.state.borrow_mut();
276 lock.jump_list.dock_menus = actions;
277 update_jump_list(&lock.jump_list).log_err();
278 }
279
280 fn update_jump_list(
281 &self,
282 menus: Vec<MenuItem>,
283 entries: Vec<SmallVec<[PathBuf; 2]>>,
284 ) -> Vec<SmallVec<[PathBuf; 2]>> {
285 let mut actions = Vec::new();
286 menus.into_iter().for_each(|menu| {
287 if let Some(dock_menu) = DockMenuItem::new(menu).log_err() {
288 actions.push(dock_menu);
289 }
290 });
291 let mut lock = self.state.borrow_mut();
292 lock.jump_list.dock_menus = actions;
293 lock.jump_list.recent_workspaces = entries;
294 update_jump_list(&lock.jump_list)
295 .log_err()
296 .unwrap_or_default()
297 }
298
299 fn find_current_active_window(&self) -> Option<HWND> {
300 let active_window_hwnd = unsafe { GetActiveWindow() };
301 if active_window_hwnd.is_invalid() {
302 return None;
303 }
304 self.raw_window_handles
305 .read()
306 .iter()
307 .find(|hwnd| hwnd.as_raw() == active_window_hwnd)
308 .map(|hwnd| hwnd.as_raw())
309 }
310
311 fn begin_vsync_thread(&self) {
312 let all_windows = Arc::downgrade(&self.raw_window_handles);
313 std::thread::spawn(move || {
314 let vsync_provider = VSyncProvider::new();
315 loop {
316 vsync_provider.wait_for_vsync();
317 let Some(all_windows) = all_windows.upgrade() else {
318 break;
319 };
320 for hwnd in all_windows.read().iter() {
321 unsafe {
322 RedrawWindow(Some(hwnd.as_raw()), None, None, RDW_INVALIDATE)
323 .ok()
324 .log_err();
325 }
326 }
327 }
328 });
329 }
330}
331
332impl Platform for WindowsPlatform {
333 fn background_executor(&self) -> BackgroundExecutor {
334 self.background_executor.clone()
335 }
336
337 fn foreground_executor(&self) -> ForegroundExecutor {
338 self.foreground_executor.clone()
339 }
340
341 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
342 self.text_system.clone()
343 }
344
345 fn keyboard_layout(&self) -> Box<dyn PlatformKeyboardLayout> {
346 Box::new(
347 WindowsKeyboardLayout::new()
348 .log_err()
349 .unwrap_or(WindowsKeyboardLayout::unknown()),
350 )
351 }
352
353 fn on_keyboard_layout_change(&self, callback: Box<dyn FnMut()>) {
354 self.state.borrow_mut().callbacks.keyboard_layout_change = Some(callback);
355 }
356
357 fn run(&self, on_finish_launching: Box<dyn 'static + FnOnce()>) {
358 on_finish_launching();
359 self.begin_vsync_thread();
360 self.handle_events();
361
362 if let Some(ref mut callback) = self.state.borrow_mut().callbacks.quit {
363 callback();
364 }
365 }
366
367 fn quit(&self) {
368 self.foreground_executor()
369 .spawn(async { unsafe { PostQuitMessage(0) } })
370 .detach();
371 }
372
373 fn restart(&self, binary_path: Option<PathBuf>) {
374 let pid = std::process::id();
375 let Some(app_path) = binary_path.or(self.app_path().log_err()) else {
376 return;
377 };
378 let script = format!(
379 r#"
380 $pidToWaitFor = {}
381 $exePath = "{}"
382
383 while ($true) {{
384 $process = Get-Process -Id $pidToWaitFor -ErrorAction SilentlyContinue
385 if (-not $process) {{
386 Start-Process -FilePath $exePath
387 break
388 }}
389 Start-Sleep -Seconds 0.1
390 }}
391 "#,
392 pid,
393 app_path.display(),
394 );
395 let restart_process = util::command::new_std_command("powershell.exe")
396 .arg("-command")
397 .arg(script)
398 .spawn();
399
400 match restart_process {
401 Ok(_) => self.quit(),
402 Err(e) => log::error!("failed to spawn restart script: {:?}", e),
403 }
404 }
405
406 fn activate(&self, _ignoring_other_apps: bool) {}
407
408 fn hide(&self) {}
409
410 // todo(windows)
411 fn hide_other_apps(&self) {
412 unimplemented!()
413 }
414
415 // todo(windows)
416 fn unhide_other_apps(&self) {
417 unimplemented!()
418 }
419
420 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
421 WindowsDisplay::displays()
422 }
423
424 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
425 WindowsDisplay::primary_monitor().map(|display| Rc::new(display) as Rc<dyn PlatformDisplay>)
426 }
427
428 #[cfg(feature = "screen-capture")]
429 fn is_screen_capture_supported(&self) -> bool {
430 true
431 }
432
433 #[cfg(feature = "screen-capture")]
434 fn screen_capture_sources(
435 &self,
436 ) -> oneshot::Receiver<Result<Vec<Rc<dyn ScreenCaptureSource>>>> {
437 crate::platform::scap_screen_capture::scap_screen_sources(&self.foreground_executor)
438 }
439
440 fn active_window(&self) -> Option<AnyWindowHandle> {
441 let active_window_hwnd = unsafe { GetActiveWindow() };
442 self.window_from_hwnd(active_window_hwnd)
443 .map(|inner| inner.handle)
444 }
445
446 fn open_window(
447 &self,
448 handle: AnyWindowHandle,
449 options: WindowParams,
450 ) -> Result<Box<dyn PlatformWindow>> {
451 let window = WindowsWindow::new(handle, options, self.generate_creation_info())?;
452 let handle = window.get_raw_handle();
453 self.raw_window_handles.write().push(handle.into());
454
455 Ok(Box::new(window))
456 }
457
458 fn window_appearance(&self) -> WindowAppearance {
459 system_appearance().log_err().unwrap_or_default()
460 }
461
462 fn open_url(&self, url: &str) {
463 let url_string = url.to_string();
464 self.background_executor()
465 .spawn(async move {
466 if url_string.is_empty() {
467 return;
468 }
469 open_target(url_string.as_str());
470 })
471 .detach();
472 }
473
474 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
475 self.state.borrow_mut().callbacks.open_urls = Some(callback);
476 }
477
478 fn prompt_for_paths(
479 &self,
480 options: PathPromptOptions,
481 ) -> Receiver<Result<Option<Vec<PathBuf>>>> {
482 let (tx, rx) = oneshot::channel();
483 let window = self.find_current_active_window();
484 self.foreground_executor()
485 .spawn(async move {
486 let _ = tx.send(file_open_dialog(options, window));
487 })
488 .detach();
489
490 rx
491 }
492
493 fn prompt_for_new_path(
494 &self,
495 directory: &Path,
496 suggested_name: Option<&str>,
497 ) -> Receiver<Result<Option<PathBuf>>> {
498 let directory = directory.to_owned();
499 let suggested_name = suggested_name.map(|s| s.to_owned());
500 let (tx, rx) = oneshot::channel();
501 let window = self.find_current_active_window();
502 self.foreground_executor()
503 .spawn(async move {
504 let _ = tx.send(file_save_dialog(directory, suggested_name, window));
505 })
506 .detach();
507
508 rx
509 }
510
511 fn can_select_mixed_files_and_dirs(&self) -> bool {
512 // The FOS_PICKFOLDERS flag toggles between "only files" and "only folders".
513 false
514 }
515
516 fn reveal_path(&self, path: &Path) {
517 let Ok(file_full_path) = path.canonicalize() else {
518 log::error!("unable to parse file path");
519 return;
520 };
521 self.background_executor()
522 .spawn(async move {
523 let Some(path) = file_full_path.to_str() else {
524 return;
525 };
526 if path.is_empty() {
527 return;
528 }
529 open_target_in_explorer(path);
530 })
531 .detach();
532 }
533
534 fn open_with_system(&self, path: &Path) {
535 let Ok(full_path) = path.canonicalize() else {
536 log::error!("unable to parse file full path: {}", path.display());
537 return;
538 };
539 self.background_executor()
540 .spawn(async move {
541 let Some(full_path_str) = full_path.to_str() else {
542 return;
543 };
544 if full_path_str.is_empty() {
545 return;
546 };
547 open_target(full_path_str);
548 })
549 .detach();
550 }
551
552 fn on_quit(&self, callback: Box<dyn FnMut()>) {
553 self.state.borrow_mut().callbacks.quit = Some(callback);
554 }
555
556 fn on_reopen(&self, callback: Box<dyn FnMut()>) {
557 self.state.borrow_mut().callbacks.reopen = Some(callback);
558 }
559
560 fn set_menus(&self, menus: Vec<Menu>, _keymap: &Keymap) {
561 self.state.borrow_mut().menus = menus.into_iter().map(|menu| menu.owned()).collect();
562 }
563
564 fn get_menus(&self) -> Option<Vec<OwnedMenu>> {
565 Some(self.state.borrow().menus.clone())
566 }
567
568 fn set_dock_menu(&self, menus: Vec<MenuItem>, _keymap: &Keymap) {
569 self.set_dock_menus(menus);
570 }
571
572 fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
573 self.state.borrow_mut().callbacks.app_menu_action = Some(callback);
574 }
575
576 fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
577 self.state.borrow_mut().callbacks.will_open_app_menu = Some(callback);
578 }
579
580 fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
581 self.state.borrow_mut().callbacks.validate_app_menu_command = Some(callback);
582 }
583
584 fn app_path(&self) -> Result<PathBuf> {
585 Ok(std::env::current_exe()?)
586 }
587
588 // todo(windows)
589 fn path_for_auxiliary_executable(&self, _name: &str) -> Result<PathBuf> {
590 anyhow::bail!("not yet implemented");
591 }
592
593 fn set_cursor_style(&self, style: CursorStyle) {
594 let hcursor = load_cursor(style);
595 let mut lock = self.state.borrow_mut();
596 if lock.current_cursor.map(|c| c.0) != hcursor.map(|c| c.0) {
597 self.post_message(
598 WM_GPUI_CURSOR_STYLE_CHANGED,
599 WPARAM(0),
600 LPARAM(hcursor.map_or(0, |c| c.0 as isize)),
601 );
602 lock.current_cursor = hcursor;
603 }
604 }
605
606 fn should_auto_hide_scrollbars(&self) -> bool {
607 should_auto_hide_scrollbars().log_err().unwrap_or(false)
608 }
609
610 fn write_to_clipboard(&self, item: ClipboardItem) {
611 write_to_clipboard(item);
612 }
613
614 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
615 read_from_clipboard()
616 }
617
618 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
619 let mut password = password.to_vec();
620 let mut username = username.encode_utf16().chain(Some(0)).collect_vec();
621 let mut target_name = windows_credentials_target_name(url)
622 .encode_utf16()
623 .chain(Some(0))
624 .collect_vec();
625 self.foreground_executor().spawn(async move {
626 let credentials = CREDENTIALW {
627 LastWritten: unsafe { GetSystemTimeAsFileTime() },
628 Flags: CRED_FLAGS(0),
629 Type: CRED_TYPE_GENERIC,
630 TargetName: PWSTR::from_raw(target_name.as_mut_ptr()),
631 CredentialBlobSize: password.len() as u32,
632 CredentialBlob: password.as_ptr() as *mut _,
633 Persist: CRED_PERSIST_LOCAL_MACHINE,
634 UserName: PWSTR::from_raw(username.as_mut_ptr()),
635 ..CREDENTIALW::default()
636 };
637 unsafe { CredWriteW(&credentials, 0) }?;
638 Ok(())
639 })
640 }
641
642 fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
643 let mut target_name = windows_credentials_target_name(url)
644 .encode_utf16()
645 .chain(Some(0))
646 .collect_vec();
647 self.foreground_executor().spawn(async move {
648 let mut credentials: *mut CREDENTIALW = std::ptr::null_mut();
649 unsafe {
650 CredReadW(
651 PCWSTR::from_raw(target_name.as_ptr()),
652 CRED_TYPE_GENERIC,
653 None,
654 &mut credentials,
655 )?
656 };
657
658 if credentials.is_null() {
659 Ok(None)
660 } else {
661 let username: String = unsafe { (*credentials).UserName.to_string()? };
662 let credential_blob = unsafe {
663 std::slice::from_raw_parts(
664 (*credentials).CredentialBlob,
665 (*credentials).CredentialBlobSize as usize,
666 )
667 };
668 let password = credential_blob.to_vec();
669 unsafe { CredFree(credentials as *const _ as _) };
670 Ok(Some((username, password)))
671 }
672 })
673 }
674
675 fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
676 let mut target_name = windows_credentials_target_name(url)
677 .encode_utf16()
678 .chain(Some(0))
679 .collect_vec();
680 self.foreground_executor().spawn(async move {
681 unsafe {
682 CredDeleteW(
683 PCWSTR::from_raw(target_name.as_ptr()),
684 CRED_TYPE_GENERIC,
685 None,
686 )?
687 };
688 Ok(())
689 })
690 }
691
692 fn register_url_scheme(&self, _: &str) -> Task<anyhow::Result<()>> {
693 Task::ready(Err(anyhow!("register_url_scheme unimplemented")))
694 }
695
696 fn perform_dock_menu_action(&self, action: usize) {
697 unsafe {
698 PostThreadMessageW(
699 self.main_thread_id_win32,
700 WM_GPUI_DOCK_MENU_ACTION,
701 WPARAM(self.validation_number),
702 LPARAM(action as isize),
703 )
704 .log_err();
705 }
706 }
707
708 fn update_jump_list(
709 &self,
710 menus: Vec<MenuItem>,
711 entries: Vec<SmallVec<[PathBuf; 2]>>,
712 ) -> Vec<SmallVec<[PathBuf; 2]>> {
713 self.update_jump_list(menus, entries)
714 }
715}
716
717impl Drop for WindowsPlatform {
718 fn drop(&mut self) {
719 unsafe {
720 ManuallyDrop::drop(&mut self.bitmap_factory);
721 OleUninitialize();
722 }
723 }
724}
725
726pub(crate) struct WindowCreationInfo {
727 pub(crate) icon: HICON,
728 pub(crate) executor: ForegroundExecutor,
729 pub(crate) current_cursor: Option<HCURSOR>,
730 pub(crate) windows_version: WindowsVersion,
731 pub(crate) drop_target_helper: IDropTargetHelper,
732 pub(crate) validation_number: usize,
733 pub(crate) main_receiver: flume::Receiver<Runnable>,
734 pub(crate) main_thread_id_win32: u32,
735 pub(crate) disable_direct_composition: bool,
736}
737
738fn open_target(target: &str) {
739 unsafe {
740 let ret = ShellExecuteW(
741 None,
742 windows::core::w!("open"),
743 &HSTRING::from(target),
744 None,
745 None,
746 SW_SHOWDEFAULT,
747 );
748 if ret.0 as isize <= 32 {
749 log::error!("Unable to open target: {}", std::io::Error::last_os_error());
750 }
751 }
752}
753
754fn open_target_in_explorer(target: &str) {
755 unsafe {
756 let ret = ShellExecuteW(
757 None,
758 windows::core::w!("open"),
759 windows::core::w!("explorer.exe"),
760 &HSTRING::from(format!("/select,{}", target).as_str()),
761 None,
762 SW_SHOWDEFAULT,
763 );
764 if ret.0 as isize <= 32 {
765 log::error!(
766 "Unable to open target in explorer: {}",
767 std::io::Error::last_os_error()
768 );
769 }
770 }
771}
772
773fn file_open_dialog(
774 options: PathPromptOptions,
775 window: Option<HWND>,
776) -> Result<Option<Vec<PathBuf>>> {
777 let folder_dialog: IFileOpenDialog =
778 unsafe { CoCreateInstance(&FileOpenDialog, None, CLSCTX_ALL)? };
779
780 let mut dialog_options = FOS_FILEMUSTEXIST;
781 if options.multiple {
782 dialog_options |= FOS_ALLOWMULTISELECT;
783 }
784 if options.directories {
785 dialog_options |= FOS_PICKFOLDERS;
786 }
787
788 unsafe {
789 folder_dialog.SetOptions(dialog_options)?;
790 if folder_dialog.Show(window).is_err() {
791 // User cancelled
792 return Ok(None);
793 }
794 }
795
796 let results = unsafe { folder_dialog.GetResults()? };
797 let file_count = unsafe { results.GetCount()? };
798 if file_count == 0 {
799 return Ok(None);
800 }
801
802 let mut paths = Vec::with_capacity(file_count as usize);
803 for i in 0..file_count {
804 let item = unsafe { results.GetItemAt(i)? };
805 let path = unsafe { item.GetDisplayName(SIGDN_FILESYSPATH)?.to_string()? };
806 paths.push(PathBuf::from(path));
807 }
808
809 Ok(Some(paths))
810}
811
812fn file_save_dialog(
813 directory: PathBuf,
814 suggested_name: Option<String>,
815 window: Option<HWND>,
816) -> Result<Option<PathBuf>> {
817 let dialog: IFileSaveDialog = unsafe { CoCreateInstance(&FileSaveDialog, None, CLSCTX_ALL)? };
818 if !directory.to_string_lossy().is_empty() {
819 if let Some(full_path) = directory.canonicalize().log_err() {
820 let full_path = SanitizedPath::from(full_path);
821 let full_path_string = full_path.to_string();
822 let path_item: IShellItem =
823 unsafe { SHCreateItemFromParsingName(&HSTRING::from(full_path_string), None)? };
824 unsafe { dialog.SetFolder(&path_item).log_err() };
825 }
826 }
827
828 if let Some(suggested_name) = suggested_name {
829 unsafe { dialog.SetFileName(&HSTRING::from(suggested_name)).log_err() };
830 }
831
832 unsafe {
833 dialog.SetFileTypes(&[Common::COMDLG_FILTERSPEC {
834 pszName: windows::core::w!("All files"),
835 pszSpec: windows::core::w!("*.*"),
836 }])?;
837 if dialog.Show(window).is_err() {
838 // User cancelled
839 return Ok(None);
840 }
841 }
842 let shell_item = unsafe { dialog.GetResult()? };
843 let file_path_string = unsafe {
844 let pwstr = shell_item.GetDisplayName(SIGDN_FILESYSPATH)?;
845 let string = pwstr.to_string()?;
846 CoTaskMemFree(Some(pwstr.0 as _));
847 string
848 };
849 Ok(Some(PathBuf::from(file_path_string)))
850}
851
852fn load_icon() -> Result<HICON> {
853 let module = unsafe { GetModuleHandleW(None).context("unable to get module handle")? };
854 let handle = unsafe {
855 LoadImageW(
856 Some(module.into()),
857 windows::core::PCWSTR(1 as _),
858 IMAGE_ICON,
859 0,
860 0,
861 LR_DEFAULTSIZE | LR_SHARED,
862 )
863 .context("unable to load icon file")?
864 };
865 Ok(HICON(handle.0))
866}
867
868#[inline]
869fn should_auto_hide_scrollbars() -> Result<bool> {
870 let ui_settings = UISettings::new()?;
871 Ok(ui_settings.AutoHideScrollBars()?)
872}
873
874#[cfg(test)]
875mod tests {
876 use crate::{ClipboardItem, read_from_clipboard, write_to_clipboard};
877
878 #[test]
879 fn test_clipboard() {
880 let item = ClipboardItem::new_string("你好，我是张小白".to_string());
881 write_to_clipboard(item.clone());
882 assert_eq!(read_from_clipboard(), Some(item));
883
884 let item = ClipboardItem::new_string("12345".to_string());
885 write_to_clipboard(item.clone());
886 assert_eq!(read_from_clipboard(), Some(item));
887
888 let item = ClipboardItem::new_string_with_json_metadata("abcdef".to_string(), vec![3, 4]);
889 write_to_clipboard(item.clone());
890 assert_eq!(read_from_clipboard(), Some(item));
891 }
892}