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::{platform::blade::BladeContext, *};
32
33pub(crate) struct WindowsPlatform {
34 state: RefCell<WindowsPlatformState>,
35 raw_window_handles: RwLock<SmallVec<[HWND; 4]>>,
36 // The below members will never change throughout the entire lifecycle of the app.
37 gpu_context: BladeContext,
38 icon: HICON,
39 main_receiver: flume::Receiver<Runnable>,
40 background_executor: BackgroundExecutor,
41 foreground_executor: ForegroundExecutor,
42 text_system: Arc<DirectWriteTextSystem>,
43 windows_version: WindowsVersion,
44 bitmap_factory: ManuallyDrop<IWICImagingFactory>,
45 validation_number: usize,
46 main_thread_id_win32: u32,
47}
48
49pub(crate) struct WindowsPlatformState {
50 callbacks: PlatformCallbacks,
51 menus: Vec<OwnedMenu>,
52 jump_list: JumpList,
53 // NOTE: standard cursor handles don't need to close.
54 pub(crate) current_cursor: Option<HCURSOR>,
55}
56
57#[derive(Default)]
58struct PlatformCallbacks {
59 open_urls: Option<Box<dyn FnMut(Vec<String>)>>,
60 quit: Option<Box<dyn FnMut()>>,
61 reopen: Option<Box<dyn FnMut()>>,
62 app_menu_action: Option<Box<dyn FnMut(&dyn Action)>>,
63 will_open_app_menu: Option<Box<dyn FnMut()>>,
64 validate_app_menu_command: Option<Box<dyn FnMut(&dyn Action) -> bool>>,
65 keyboard_layout_change: Option<Box<dyn FnMut()>>,
66}
67
68impl WindowsPlatformState {
69 fn new() -> Self {
70 let callbacks = PlatformCallbacks::default();
71 let jump_list = JumpList::new();
72 let current_cursor = load_cursor(CursorStyle::Arrow);
73
74 Self {
75 callbacks,
76 jump_list,
77 current_cursor,
78 menus: Vec::new(),
79 }
80 }
81}
82
83impl WindowsPlatform {
84 pub(crate) fn new() -> Self {
85 unsafe {
86 OleInitialize(None).expect("unable to initialize Windows OLE");
87 }
88 let (main_sender, main_receiver) = flume::unbounded::<Runnable>();
89 let main_thread_id_win32 = unsafe { GetCurrentThreadId() };
90 let validation_number = rand::random::<usize>();
91 let dispatcher = Arc::new(WindowsDispatcher::new(
92 main_sender,
93 main_thread_id_win32,
94 validation_number,
95 ));
96 let background_executor = BackgroundExecutor::new(dispatcher.clone());
97 let foreground_executor = ForegroundExecutor::new(dispatcher);
98 let bitmap_factory = ManuallyDrop::new(unsafe {
99 CoCreateInstance(&CLSID_WICImagingFactory, None, CLSCTX_INPROC_SERVER)
100 .expect("Error creating bitmap factory.")
101 });
102 let text_system = Arc::new(
103 DirectWriteTextSystem::new(&bitmap_factory)
104 .expect("Error creating DirectWriteTextSystem"),
105 );
106 let icon = load_icon().unwrap_or_default();
107 let state = RefCell::new(WindowsPlatformState::new());
108 let raw_window_handles = RwLock::new(SmallVec::new());
109 let gpu_context = BladeContext::new().expect("Unable to init GPU context");
110 let windows_version = WindowsVersion::new().expect("Error retrieve windows version");
111
112 Self {
113 state,
114 raw_window_handles,
115 gpu_context,
116 icon,
117 main_receiver,
118 background_executor,
119 foreground_executor,
120 text_system,
121 windows_version,
122 bitmap_factory,
123 validation_number,
124 main_thread_id_win32,
125 }
126 }
127
128 fn redraw_all(&self) {
129 for handle in self.raw_window_handles.read().iter() {
130 unsafe {
131 RedrawWindow(Some(*handle), None, None, RDW_INVALIDATE | RDW_UPDATENOW)
132 .ok()
133 .log_err();
134 }
135 }
136 }
137
138 pub fn try_get_windows_inner_from_hwnd(&self, hwnd: HWND) -> Option<Rc<WindowsWindowStatePtr>> {
139 self.raw_window_handles
140 .read()
141 .iter()
142 .find(|entry| *entry == &hwnd)
143 .and_then(|hwnd| try_get_window_inner(*hwnd))
144 }
145
146 #[inline]
147 fn post_message(&self, message: u32, wparam: WPARAM, lparam: LPARAM) {
148 self.raw_window_handles
149 .read()
150 .iter()
151 .for_each(|handle| unsafe {
152 PostMessageW(Some(*handle), message, wparam, lparam).log_err();
153 });
154 }
155
156 fn close_one_window(&self, target_window: HWND) -> bool {
157 let mut lock = self.raw_window_handles.write();
158 let index = lock
159 .iter()
160 .position(|handle| *handle == target_window)
161 .unwrap();
162 lock.remove(index);
163
164 lock.is_empty()
165 }
166
167 #[inline]
168 fn run_foreground_task(&self) {
169 for runnable in self.main_receiver.drain() {
170 runnable.run();
171 }
172 }
173
174 fn generate_creation_info(&self) -> WindowCreationInfo {
175 WindowCreationInfo {
176 icon: self.icon,
177 executor: self.foreground_executor.clone(),
178 current_cursor: self.state.borrow().current_cursor,
179 windows_version: self.windows_version,
180 validation_number: self.validation_number,
181 main_receiver: self.main_receiver.clone(),
182 main_thread_id_win32: self.main_thread_id_win32,
183 }
184 }
185
186 fn handle_dock_action_event(&self, action_idx: usize) {
187 let mut lock = self.state.borrow_mut();
188 if let Some(mut callback) = lock.callbacks.app_menu_action.take() {
189 let Some(action) = lock
190 .jump_list
191 .dock_menus
192 .get(action_idx)
193 .map(|dock_menu| dock_menu.action.boxed_clone())
194 else {
195 lock.callbacks.app_menu_action = Some(callback);
196 log::error!("Dock menu for index {action_idx} not found");
197 return;
198 };
199 drop(lock);
200 callback(&*action);
201 self.state.borrow_mut().callbacks.app_menu_action = Some(callback);
202 }
203 }
204
205 fn handle_input_lang_change(&self) {
206 let mut lock = self.state.borrow_mut();
207 if let Some(mut callback) = lock.callbacks.keyboard_layout_change.take() {
208 drop(lock);
209 callback();
210 self.state
211 .borrow_mut()
212 .callbacks
213 .keyboard_layout_change
214 .get_or_insert(callback);
215 }
216 }
217
218 // Returns true if the app should quit.
219 fn handle_events(&self) -> bool {
220 let mut msg = MSG::default();
221 unsafe {
222 while PeekMessageW(&mut msg, None, 0, 0, PM_REMOVE).as_bool() {
223 match msg.message {
224 WM_QUIT => return true,
225 WM_INPUTLANGCHANGE
226 | WM_GPUI_CLOSE_ONE_WINDOW
227 | WM_GPUI_TASK_DISPATCHED_ON_MAIN_THREAD
228 | WM_GPUI_DOCK_MENU_ACTION => {
229 if self.handle_gpui_evnets(msg.message, msg.wParam, msg.lParam, &msg) {
230 return true;
231 }
232 }
233 _ => {
234 // todo(windows)
235 // crate `windows 0.56` reports true as Err
236 TranslateMessage(&msg).as_bool();
237 DispatchMessageW(&msg);
238 }
239 }
240 }
241 }
242 false
243 }
244
245 // Returns true if the app should quit.
246 fn handle_gpui_evnets(
247 &self,
248 message: u32,
249 wparam: WPARAM,
250 lparam: LPARAM,
251 msg: *const MSG,
252 ) -> bool {
253 if wparam.0 != self.validation_number {
254 unsafe { DispatchMessageW(msg) };
255 return false;
256 }
257 match message {
258 WM_GPUI_CLOSE_ONE_WINDOW => {
259 if self.close_one_window(HWND(lparam.0 as _)) {
260 return true;
261 }
262 }
263 WM_GPUI_TASK_DISPATCHED_ON_MAIN_THREAD => self.run_foreground_task(),
264 WM_GPUI_DOCK_MENU_ACTION => self.handle_dock_action_event(lparam.0 as _),
265 WM_INPUTLANGCHANGE => self.handle_input_lang_change(),
266 _ => unreachable!(),
267 }
268 false
269 }
270
271 fn set_dock_menus(&self, menus: Vec<MenuItem>) {
272 let mut actions = Vec::new();
273 menus.into_iter().for_each(|menu| {
274 if let Some(dock_menu) = DockMenuItem::new(menu).log_err() {
275 actions.push(dock_menu);
276 }
277 });
278 let mut lock = self.state.borrow_mut();
279 lock.jump_list.dock_menus = actions;
280 update_jump_list(&lock.jump_list).log_err();
281 }
282
283 fn update_jump_list(
284 &self,
285 menus: Vec<MenuItem>,
286 entries: Vec<SmallVec<[PathBuf; 2]>>,
287 ) -> Vec<SmallVec<[PathBuf; 2]>> {
288 let mut actions = Vec::new();
289 menus.into_iter().for_each(|menu| {
290 if let Some(dock_menu) = DockMenuItem::new(menu).log_err() {
291 actions.push(dock_menu);
292 }
293 });
294 let mut lock = self.state.borrow_mut();
295 lock.jump_list.dock_menus = actions;
296 lock.jump_list.recent_workspaces = entries;
297 update_jump_list(&lock.jump_list)
298 .log_err()
299 .unwrap_or_default()
300 }
301}
302
303impl Platform for WindowsPlatform {
304 fn background_executor(&self) -> BackgroundExecutor {
305 self.background_executor.clone()
306 }
307
308 fn foreground_executor(&self) -> ForegroundExecutor {
309 self.foreground_executor.clone()
310 }
311
312 fn text_system(&self) -> Arc<dyn PlatformTextSystem> {
313 self.text_system.clone()
314 }
315
316 fn keyboard_layout(&self) -> Box<dyn PlatformKeyboardLayout> {
317 Box::new(
318 WindowsKeyboardLayout::new()
319 .log_err()
320 .unwrap_or(WindowsKeyboardLayout::unknown()),
321 )
322 }
323
324 fn on_keyboard_layout_change(&self, callback: Box<dyn FnMut()>) {
325 self.state.borrow_mut().callbacks.keyboard_layout_change = Some(callback);
326 }
327
328 fn run(&self, on_finish_launching: Box<dyn 'static + FnOnce()>) {
329 on_finish_launching();
330 let vsync_event = unsafe { Owned::new(CreateEventW(None, false, false, None).unwrap()) };
331 begin_vsync(*vsync_event);
332 'a: loop {
333 let wait_result = unsafe {
334 MsgWaitForMultipleObjects(Some(&[*vsync_event]), false, INFINITE, QS_ALLINPUT)
335 };
336
337 match wait_result {
338 // compositor clock ticked so we should draw a frame
339 WAIT_EVENT(0) => self.redraw_all(),
340 // Windows thread messages are posted
341 WAIT_EVENT(1) => {
342 if self.handle_events() {
343 break 'a;
344 }
345 }
346 _ => {
347 log::error!("Something went wrong while waiting {:?}", wait_result);
348 break;
349 }
350 }
351 }
352
353 if let Some(ref mut callback) = self.state.borrow_mut().callbacks.quit {
354 callback();
355 }
356 }
357
358 fn quit(&self) {
359 self.foreground_executor()
360 .spawn(async { unsafe { PostQuitMessage(0) } })
361 .detach();
362 }
363
364 fn restart(&self, _: Option<PathBuf>) {
365 let pid = std::process::id();
366 let Some(app_path) = self.app_path().log_err() else {
367 return;
368 };
369 let script = format!(
370 r#"
371 $pidToWaitFor = {}
372 $exePath = "{}"
373
374 while ($true) {{
375 $process = Get-Process -Id $pidToWaitFor -ErrorAction SilentlyContinue
376 if (-not $process) {{
377 Start-Process -FilePath $exePath
378 break
379 }}
380 Start-Sleep -Seconds 0.1
381 }}
382 "#,
383 pid,
384 app_path.display(),
385 );
386 let restart_process = util::command::new_std_command("powershell.exe")
387 .arg("-command")
388 .arg(script)
389 .spawn();
390
391 match restart_process {
392 Ok(_) => self.quit(),
393 Err(e) => log::error!("failed to spawn restart script: {:?}", e),
394 }
395 }
396
397 fn activate(&self, _ignoring_other_apps: bool) {}
398
399 fn hide(&self) {}
400
401 // todo(windows)
402 fn hide_other_apps(&self) {
403 unimplemented!()
404 }
405
406 // todo(windows)
407 fn unhide_other_apps(&self) {
408 unimplemented!()
409 }
410
411 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>> {
412 WindowsDisplay::displays()
413 }
414
415 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>> {
416 WindowsDisplay::primary_monitor().map(|display| Rc::new(display) as Rc<dyn PlatformDisplay>)
417 }
418
419 fn is_screen_capture_supported(&self) -> bool {
420 false
421 }
422
423 fn screen_capture_sources(
424 &self,
425 ) -> oneshot::Receiver<Result<Vec<Box<dyn ScreenCaptureSource>>>> {
426 let (mut tx, rx) = oneshot::channel();
427 tx.send(Err(anyhow!("screen capture not implemented"))).ok();
428 rx
429 }
430
431 fn active_window(&self) -> Option<AnyWindowHandle> {
432 let active_window_hwnd = unsafe { GetActiveWindow() };
433 self.try_get_windows_inner_from_hwnd(active_window_hwnd)
434 .map(|inner| inner.handle)
435 }
436
437 fn open_window(
438 &self,
439 handle: AnyWindowHandle,
440 options: WindowParams,
441 ) -> Result<Box<dyn PlatformWindow>> {
442 let window = WindowsWindow::new(
443 handle,
444 options,
445 self.generate_creation_info(),
446 &self.gpu_context,
447 )?;
448 let handle = window.get_raw_handle();
449 self.raw_window_handles.write().push(handle);
450
451 Ok(Box::new(window))
452 }
453
454 fn window_appearance(&self) -> WindowAppearance {
455 system_appearance().log_err().unwrap_or_default()
456 }
457
458 fn open_url(&self, url: &str) {
459 let url_string = url.to_string();
460 self.background_executor()
461 .spawn(async move {
462 if url_string.is_empty() {
463 return;
464 }
465 open_target(url_string.as_str());
466 })
467 .detach();
468 }
469
470 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>) {
471 self.state.borrow_mut().callbacks.open_urls = Some(callback);
472 }
473
474 fn prompt_for_paths(
475 &self,
476 options: PathPromptOptions,
477 ) -> Receiver<Result<Option<Vec<PathBuf>>>> {
478 let (tx, rx) = oneshot::channel();
479 self.foreground_executor()
480 .spawn(async move {
481 let _ = tx.send(file_open_dialog(options));
482 })
483 .detach();
484
485 rx
486 }
487
488 fn prompt_for_new_path(&self, directory: &Path) -> Receiver<Result<Option<PathBuf>>> {
489 let directory = directory.to_owned();
490 let (tx, rx) = oneshot::channel();
491 self.foreground_executor()
492 .spawn(async move {
493 let _ = tx.send(file_save_dialog(directory));
494 })
495 .detach();
496
497 rx
498 }
499
500 fn can_select_mixed_files_and_dirs(&self) -> bool {
501 // The FOS_PICKFOLDERS flag toggles between "only files" and "only folders".
502 false
503 }
504
505 fn reveal_path(&self, path: &Path) {
506 let Ok(file_full_path) = path.canonicalize() else {
507 log::error!("unable to parse file path");
508 return;
509 };
510 self.background_executor()
511 .spawn(async move {
512 let Some(path) = file_full_path.to_str() else {
513 return;
514 };
515 if path.is_empty() {
516 return;
517 }
518 open_target_in_explorer(path);
519 })
520 .detach();
521 }
522
523 fn open_with_system(&self, path: &Path) {
524 let Ok(full_path) = path.canonicalize() else {
525 log::error!("unable to parse file full path: {}", path.display());
526 return;
527 };
528 self.background_executor()
529 .spawn(async move {
530 let Some(full_path_str) = full_path.to_str() else {
531 return;
532 };
533 if full_path_str.is_empty() {
534 return;
535 };
536 open_target(full_path_str);
537 })
538 .detach();
539 }
540
541 fn on_quit(&self, callback: Box<dyn FnMut()>) {
542 self.state.borrow_mut().callbacks.quit = Some(callback);
543 }
544
545 fn on_reopen(&self, callback: Box<dyn FnMut()>) {
546 self.state.borrow_mut().callbacks.reopen = Some(callback);
547 }
548
549 fn set_menus(&self, menus: Vec<Menu>, _keymap: &Keymap) {
550 self.state.borrow_mut().menus = menus.into_iter().map(|menu| menu.owned()).collect();
551 }
552
553 fn get_menus(&self) -> Option<Vec<OwnedMenu>> {
554 Some(self.state.borrow().menus.clone())
555 }
556
557 fn set_dock_menu(&self, menus: Vec<MenuItem>, _keymap: &Keymap) {
558 self.set_dock_menus(menus);
559 }
560
561 fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
562 self.state.borrow_mut().callbacks.app_menu_action = Some(callback);
563 }
564
565 fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>) {
566 self.state.borrow_mut().callbacks.will_open_app_menu = Some(callback);
567 }
568
569 fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>) {
570 self.state.borrow_mut().callbacks.validate_app_menu_command = Some(callback);
571 }
572
573 fn app_path(&self) -> Result<PathBuf> {
574 Ok(std::env::current_exe()?)
575 }
576
577 // todo(windows)
578 fn path_for_auxiliary_executable(&self, _name: &str) -> Result<PathBuf> {
579 anyhow::bail!("not yet implemented");
580 }
581
582 fn set_cursor_style(&self, style: CursorStyle) {
583 let hcursor = load_cursor(style);
584 let mut lock = self.state.borrow_mut();
585 if lock.current_cursor.map(|c| c.0) != hcursor.map(|c| c.0) {
586 self.post_message(
587 WM_GPUI_CURSOR_STYLE_CHANGED,
588 WPARAM(0),
589 LPARAM(hcursor.map_or(0, |c| c.0 as isize)),
590 );
591 lock.current_cursor = hcursor;
592 }
593 }
594
595 fn should_auto_hide_scrollbars(&self) -> bool {
596 should_auto_hide_scrollbars().log_err().unwrap_or(false)
597 }
598
599 fn write_to_clipboard(&self, item: ClipboardItem) {
600 write_to_clipboard(item);
601 }
602
603 fn read_from_clipboard(&self) -> Option<ClipboardItem> {
604 read_from_clipboard()
605 }
606
607 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>> {
608 let mut password = password.to_vec();
609 let mut username = username.encode_utf16().chain(Some(0)).collect_vec();
610 let mut target_name = windows_credentials_target_name(url)
611 .encode_utf16()
612 .chain(Some(0))
613 .collect_vec();
614 self.foreground_executor().spawn(async move {
615 let credentials = CREDENTIALW {
616 LastWritten: unsafe { GetSystemTimeAsFileTime() },
617 Flags: CRED_FLAGS(0),
618 Type: CRED_TYPE_GENERIC,
619 TargetName: PWSTR::from_raw(target_name.as_mut_ptr()),
620 CredentialBlobSize: password.len() as u32,
621 CredentialBlob: password.as_ptr() as *mut _,
622 Persist: CRED_PERSIST_LOCAL_MACHINE,
623 UserName: PWSTR::from_raw(username.as_mut_ptr()),
624 ..CREDENTIALW::default()
625 };
626 unsafe { CredWriteW(&credentials, 0) }?;
627 Ok(())
628 })
629 }
630
631 fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>> {
632 let mut target_name = windows_credentials_target_name(url)
633 .encode_utf16()
634 .chain(Some(0))
635 .collect_vec();
636 self.foreground_executor().spawn(async move {
637 let mut credentials: *mut CREDENTIALW = std::ptr::null_mut();
638 unsafe {
639 CredReadW(
640 PCWSTR::from_raw(target_name.as_ptr()),
641 CRED_TYPE_GENERIC,
642 None,
643 &mut credentials,
644 )?
645 };
646
647 if credentials.is_null() {
648 Ok(None)
649 } else {
650 let username: String = unsafe { (*credentials).UserName.to_string()? };
651 let credential_blob = unsafe {
652 std::slice::from_raw_parts(
653 (*credentials).CredentialBlob,
654 (*credentials).CredentialBlobSize as usize,
655 )
656 };
657 let password = credential_blob.to_vec();
658 unsafe { CredFree(credentials as *const _ as _) };
659 Ok(Some((username, password)))
660 }
661 })
662 }
663
664 fn delete_credentials(&self, url: &str) -> Task<Result<()>> {
665 let mut target_name = windows_credentials_target_name(url)
666 .encode_utf16()
667 .chain(Some(0))
668 .collect_vec();
669 self.foreground_executor().spawn(async move {
670 unsafe {
671 CredDeleteW(
672 PCWSTR::from_raw(target_name.as_ptr()),
673 CRED_TYPE_GENERIC,
674 None,
675 )?
676 };
677 Ok(())
678 })
679 }
680
681 fn register_url_scheme(&self, _: &str) -> Task<anyhow::Result<()>> {
682 Task::ready(Err(anyhow!("register_url_scheme unimplemented")))
683 }
684
685 fn perform_dock_menu_action(&self, action: usize) {
686 unsafe {
687 PostThreadMessageW(
688 self.main_thread_id_win32,
689 WM_GPUI_DOCK_MENU_ACTION,
690 WPARAM(self.validation_number),
691 LPARAM(action as isize),
692 )
693 .log_err();
694 }
695 }
696
697 fn update_jump_list(
698 &self,
699 menus: Vec<MenuItem>,
700 entries: Vec<SmallVec<[PathBuf; 2]>>,
701 ) -> Vec<SmallVec<[PathBuf; 2]>> {
702 self.update_jump_list(menus, entries)
703 }
704}
705
706impl Drop for WindowsPlatform {
707 fn drop(&mut self) {
708 unsafe {
709 ManuallyDrop::drop(&mut self.bitmap_factory);
710 OleUninitialize();
711 }
712 }
713}
714
715pub(crate) struct WindowCreationInfo {
716 pub(crate) icon: HICON,
717 pub(crate) executor: ForegroundExecutor,
718 pub(crate) current_cursor: Option<HCURSOR>,
719 pub(crate) windows_version: WindowsVersion,
720 pub(crate) validation_number: usize,
721 pub(crate) main_receiver: flume::Receiver<Runnable>,
722 pub(crate) main_thread_id_win32: u32,
723}
724
725fn open_target(target: &str) {
726 unsafe {
727 let ret = ShellExecuteW(
728 None,
729 windows::core::w!("open"),
730 &HSTRING::from(target),
731 None,
732 None,
733 SW_SHOWDEFAULT,
734 );
735 if ret.0 as isize <= 32 {
736 log::error!("Unable to open target: {}", std::io::Error::last_os_error());
737 }
738 }
739}
740
741fn open_target_in_explorer(target: &str) {
742 unsafe {
743 let ret = ShellExecuteW(
744 None,
745 windows::core::w!("open"),
746 windows::core::w!("explorer.exe"),
747 &HSTRING::from(format!("/select,{}", target).as_str()),
748 None,
749 SW_SHOWDEFAULT,
750 );
751 if ret.0 as isize <= 32 {
752 log::error!(
753 "Unable to open target in explorer: {}",
754 std::io::Error::last_os_error()
755 );
756 }
757 }
758}
759
760fn file_open_dialog(options: PathPromptOptions) -> Result<Option<Vec<PathBuf>>> {
761 let folder_dialog: IFileOpenDialog =
762 unsafe { CoCreateInstance(&FileOpenDialog, None, CLSCTX_ALL)? };
763
764 let mut dialog_options = FOS_FILEMUSTEXIST;
765 if options.multiple {
766 dialog_options |= FOS_ALLOWMULTISELECT;
767 }
768 if options.directories {
769 dialog_options |= FOS_PICKFOLDERS;
770 }
771
772 unsafe {
773 folder_dialog.SetOptions(dialog_options)?;
774 if folder_dialog.Show(None).is_err() {
775 // User cancelled
776 return Ok(None);
777 }
778 }
779
780 let results = unsafe { folder_dialog.GetResults()? };
781 let file_count = unsafe { results.GetCount()? };
782 if file_count == 0 {
783 return Ok(None);
784 }
785
786 let mut paths = Vec::new();
787 for i in 0..file_count {
788 let item = unsafe { results.GetItemAt(i)? };
789 let path = unsafe { item.GetDisplayName(SIGDN_FILESYSPATH)?.to_string()? };
790 paths.push(PathBuf::from(path));
791 }
792
793 Ok(Some(paths))
794}
795
796fn file_save_dialog(directory: PathBuf) -> Result<Option<PathBuf>> {
797 let dialog: IFileSaveDialog = unsafe { CoCreateInstance(&FileSaveDialog, None, CLSCTX_ALL)? };
798 if !directory.to_string_lossy().is_empty() {
799 if let Some(full_path) = directory.canonicalize().log_err() {
800 let full_path = SanitizedPath::from(full_path);
801 let full_path_string = full_path.to_string();
802 let path_item: IShellItem =
803 unsafe { SHCreateItemFromParsingName(&HSTRING::from(full_path_string), None)? };
804 unsafe { dialog.SetFolder(&path_item).log_err() };
805 }
806 }
807 unsafe {
808 dialog.SetFileTypes(&[Common::COMDLG_FILTERSPEC {
809 pszName: windows::core::w!("All files"),
810 pszSpec: windows::core::w!("*.*"),
811 }])?;
812 if dialog.Show(None).is_err() {
813 // User cancelled
814 return Ok(None);
815 }
816 }
817 let shell_item = unsafe { dialog.GetResult()? };
818 let file_path_string = unsafe {
819 let pwstr = shell_item.GetDisplayName(SIGDN_FILESYSPATH)?;
820 let string = pwstr.to_string()?;
821 CoTaskMemFree(Some(pwstr.0 as _));
822 string
823 };
824 Ok(Some(PathBuf::from(file_path_string)))
825}
826
827fn begin_vsync(vsync_event: HANDLE) {
828 let event: SafeHandle = vsync_event.into();
829 std::thread::spawn(move || unsafe {
830 loop {
831 windows::Win32::Graphics::Dwm::DwmFlush().log_err();
832 SetEvent(*event).log_err();
833 }
834 });
835}
836
837fn load_icon() -> Result<HICON> {
838 let module = unsafe { GetModuleHandleW(None).context("unable to get module handle")? };
839 let handle = unsafe {
840 LoadImageW(
841 Some(module.into()),
842 windows::core::PCWSTR(1 as _),
843 IMAGE_ICON,
844 0,
845 0,
846 LR_DEFAULTSIZE | LR_SHARED,
847 )
848 .context("unable to load icon file")?
849 };
850 Ok(HICON(handle.0))
851}
852
853#[inline]
854fn should_auto_hide_scrollbars() -> Result<bool> {
855 let ui_settings = UISettings::new()?;
856 Ok(ui_settings.AutoHideScrollBars()?)
857}
858
859#[cfg(test)]
860mod tests {
861 use crate::{ClipboardItem, read_from_clipboard, write_to_clipboard};
862
863 #[test]
864 fn test_clipboard() {
865 let item = ClipboardItem::new_string("你好，我是张小白".to_string());
866 write_to_clipboard(item.clone());
867 assert_eq!(read_from_clipboard(), Some(item));
868
869 let item = ClipboardItem::new_string("12345".to_string());
870 write_to_clipboard(item.clone());
871 assert_eq!(read_from_clipboard(), Some(item));
872
873 let item = ClipboardItem::new_string_with_json_metadata("abcdef".to_string(), vec![3, 4]);
874 write_to_clipboard(item.clone());
875 assert_eq!(read_from_clipboard(), Some(item));
876 }
877}