1use super::{BoolExt, MacDisplay, NSRange, NSStringExt, ns_string, renderer};
2use crate::{
3 AnyWindowHandle, Bounds, Capslock, DisplayLink, ExternalPaths, FileDropEvent,
4 ForegroundExecutor, KeyDownEvent, Keystroke, Modifiers, ModifiersChangedEvent, MouseButton,
5 MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels, PlatformAtlas, PlatformDisplay,
6 PlatformInput, PlatformWindow, Point, PromptButton, PromptLevel, RequestFrameOptions,
7 SharedString, Size, SystemWindowTab, Timer, WindowAppearance, WindowBackgroundAppearance,
8 WindowBounds, WindowControlArea, WindowKind, WindowParams, dispatch_get_main_queue,
9 dispatch_sys::dispatch_async_f, platform::PlatformInputHandler, point, px, size,
10};
11use block::ConcreteBlock;
12use cocoa::{
13 appkit::{
14 NSAppKitVersionNumber, NSAppKitVersionNumber12_0, NSApplication, NSBackingStoreBuffered,
15 NSColor, NSEvent, NSEventModifierFlags, NSFilenamesPboardType, NSPasteboard, NSScreen,
16 NSView, NSViewHeightSizable, NSViewWidthSizable, NSVisualEffectMaterial,
17 NSVisualEffectState, NSVisualEffectView, NSWindow, NSWindowButton,
18 NSWindowCollectionBehavior, NSWindowOcclusionState, NSWindowOrderingMode,
19 NSWindowStyleMask, NSWindowTitleVisibility,
20 },
21 base::{id, nil},
22 foundation::{
23 NSArray, NSAutoreleasePool, NSDictionary, NSFastEnumeration, NSInteger, NSNotFound,
24 NSOperatingSystemVersion, NSPoint, NSProcessInfo, NSRect, NSSize, NSString, NSUInteger,
25 NSUserDefaults,
26 },
27};
28
29use core_graphics::display::{CGDirectDisplayID, CGPoint, CGRect};
30use ctor::ctor;
31use futures::channel::oneshot;
32use objc::{
33 class,
34 declare::ClassDecl,
35 msg_send,
36 runtime::{BOOL, Class, NO, Object, Protocol, Sel, YES},
37 sel, sel_impl,
38};
39use parking_lot::Mutex;
40use raw_window_handle as rwh;
41use smallvec::SmallVec;
42use std::{
43 cell::Cell,
44 ffi::{CStr, c_void},
45 mem,
46 ops::Range,
47 path::PathBuf,
48 ptr::{self, NonNull},
49 rc::Rc,
50 sync::{Arc, Weak},
51 time::Duration,
52};
53use util::ResultExt;
54
55const WINDOW_STATE_IVAR: &str = "windowState";
56
57static mut WINDOW_CLASS: *const Class = ptr::null();
58static mut PANEL_CLASS: *const Class = ptr::null();
59static mut VIEW_CLASS: *const Class = ptr::null();
60static mut BLURRED_VIEW_CLASS: *const Class = ptr::null();
61
62#[allow(non_upper_case_globals)]
63const NSWindowStyleMaskNonactivatingPanel: NSWindowStyleMask =
64 NSWindowStyleMask::from_bits_retain(1 << 7);
65#[allow(non_upper_case_globals)]
66const NSNormalWindowLevel: NSInteger = 0;
67#[allow(non_upper_case_globals)]
68const NSPopUpWindowLevel: NSInteger = 101;
69#[allow(non_upper_case_globals)]
70const NSTrackingMouseEnteredAndExited: NSUInteger = 0x01;
71#[allow(non_upper_case_globals)]
72const NSTrackingMouseMoved: NSUInteger = 0x02;
73#[allow(non_upper_case_globals)]
74const NSTrackingActiveAlways: NSUInteger = 0x80;
75#[allow(non_upper_case_globals)]
76const NSTrackingInVisibleRect: NSUInteger = 0x200;
77#[allow(non_upper_case_globals)]
78const NSWindowAnimationBehaviorUtilityWindow: NSInteger = 4;
79#[allow(non_upper_case_globals)]
80const NSViewLayerContentsRedrawDuringViewResize: NSInteger = 2;
81// https://developer.apple.com/documentation/appkit/nsdragoperation
82type NSDragOperation = NSUInteger;
83#[allow(non_upper_case_globals)]
84const NSDragOperationNone: NSDragOperation = 0;
85#[allow(non_upper_case_globals)]
86const NSDragOperationCopy: NSDragOperation = 1;
87#[derive(PartialEq)]
88pub enum UserTabbingPreference {
89 Never,
90 Always,
91 InFullScreen,
92}
93
94#[link(name = "CoreGraphics", kind = "framework")]
95unsafe extern "C" {
96 // Widely used private APIs; Apple uses them for their Terminal.app.
97 fn CGSMainConnectionID() -> id;
98 fn CGSSetWindowBackgroundBlurRadius(
99 connection_id: id,
100 window_id: NSInteger,
101 radius: i64,
102 ) -> i32;
103}
104
105#[ctor]
106unsafe fn build_classes() {
107 unsafe {
108 WINDOW_CLASS = build_window_class("GPUIWindow", class!(NSWindow));
109 PANEL_CLASS = build_window_class("GPUIPanel", class!(NSPanel));
110 VIEW_CLASS = {
111 let mut decl = ClassDecl::new("GPUIView", class!(NSView)).unwrap();
112 decl.add_ivar::<*mut c_void>(WINDOW_STATE_IVAR);
113 unsafe {
114 decl.add_method(sel!(dealloc), dealloc_view as extern "C" fn(&Object, Sel));
115
116 decl.add_method(
117 sel!(performKeyEquivalent:),
118 handle_key_equivalent as extern "C" fn(&Object, Sel, id) -> BOOL,
119 );
120 decl.add_method(
121 sel!(keyDown:),
122 handle_key_down as extern "C" fn(&Object, Sel, id),
123 );
124 decl.add_method(
125 sel!(keyUp:),
126 handle_key_up as extern "C" fn(&Object, Sel, id),
127 );
128 decl.add_method(
129 sel!(mouseDown:),
130 handle_view_event as extern "C" fn(&Object, Sel, id),
131 );
132 decl.add_method(
133 sel!(mouseUp:),
134 handle_view_event as extern "C" fn(&Object, Sel, id),
135 );
136 decl.add_method(
137 sel!(rightMouseDown:),
138 handle_view_event as extern "C" fn(&Object, Sel, id),
139 );
140 decl.add_method(
141 sel!(rightMouseUp:),
142 handle_view_event as extern "C" fn(&Object, Sel, id),
143 );
144 decl.add_method(
145 sel!(otherMouseDown:),
146 handle_view_event as extern "C" fn(&Object, Sel, id),
147 );
148 decl.add_method(
149 sel!(otherMouseUp:),
150 handle_view_event as extern "C" fn(&Object, Sel, id),
151 );
152 decl.add_method(
153 sel!(mouseMoved:),
154 handle_view_event as extern "C" fn(&Object, Sel, id),
155 );
156 decl.add_method(
157 sel!(mouseExited:),
158 handle_view_event as extern "C" fn(&Object, Sel, id),
159 );
160 decl.add_method(
161 sel!(mouseDragged:),
162 handle_view_event as extern "C" fn(&Object, Sel, id),
163 );
164 decl.add_method(
165 sel!(scrollWheel:),
166 handle_view_event as extern "C" fn(&Object, Sel, id),
167 );
168 decl.add_method(
169 sel!(swipeWithEvent:),
170 handle_view_event as extern "C" fn(&Object, Sel, id),
171 );
172 decl.add_method(
173 sel!(flagsChanged:),
174 handle_view_event as extern "C" fn(&Object, Sel, id),
175 );
176
177 decl.add_method(
178 sel!(makeBackingLayer),
179 make_backing_layer as extern "C" fn(&Object, Sel) -> id,
180 );
181
182 decl.add_protocol(Protocol::get("CALayerDelegate").unwrap());
183 decl.add_method(
184 sel!(viewDidChangeBackingProperties),
185 view_did_change_backing_properties as extern "C" fn(&Object, Sel),
186 );
187 decl.add_method(
188 sel!(setFrameSize:),
189 set_frame_size as extern "C" fn(&Object, Sel, NSSize),
190 );
191 decl.add_method(
192 sel!(displayLayer:),
193 display_layer as extern "C" fn(&Object, Sel, id),
194 );
195
196 decl.add_protocol(Protocol::get("NSTextInputClient").unwrap());
197 decl.add_method(
198 sel!(validAttributesForMarkedText),
199 valid_attributes_for_marked_text as extern "C" fn(&Object, Sel) -> id,
200 );
201 decl.add_method(
202 sel!(hasMarkedText),
203 has_marked_text as extern "C" fn(&Object, Sel) -> BOOL,
204 );
205 decl.add_method(
206 sel!(markedRange),
207 marked_range as extern "C" fn(&Object, Sel) -> NSRange,
208 );
209 decl.add_method(
210 sel!(selectedRange),
211 selected_range as extern "C" fn(&Object, Sel) -> NSRange,
212 );
213 decl.add_method(
214 sel!(firstRectForCharacterRange:actualRange:),
215 first_rect_for_character_range
216 as extern "C" fn(&Object, Sel, NSRange, id) -> NSRect,
217 );
218 decl.add_method(
219 sel!(insertText:replacementRange:),
220 insert_text as extern "C" fn(&Object, Sel, id, NSRange),
221 );
222 decl.add_method(
223 sel!(setMarkedText:selectedRange:replacementRange:),
224 set_marked_text as extern "C" fn(&Object, Sel, id, NSRange, NSRange),
225 );
226 decl.add_method(sel!(unmarkText), unmark_text as extern "C" fn(&Object, Sel));
227 decl.add_method(
228 sel!(attributedSubstringForProposedRange:actualRange:),
229 attributed_substring_for_proposed_range
230 as extern "C" fn(&Object, Sel, NSRange, *mut c_void) -> id,
231 );
232 decl.add_method(
233 sel!(viewDidChangeEffectiveAppearance),
234 view_did_change_effective_appearance as extern "C" fn(&Object, Sel),
235 );
236
237 // Suppress beep on keystrokes with modifier keys.
238 decl.add_method(
239 sel!(doCommandBySelector:),
240 do_command_by_selector as extern "C" fn(&Object, Sel, Sel),
241 );
242
243 decl.add_method(
244 sel!(acceptsFirstMouse:),
245 accepts_first_mouse as extern "C" fn(&Object, Sel, id) -> BOOL,
246 );
247
248 decl.add_method(
249 sel!(characterIndexForPoint:),
250 character_index_for_point as extern "C" fn(&Object, Sel, NSPoint) -> u64,
251 );
252 }
253 decl.register()
254 };
255 BLURRED_VIEW_CLASS = {
256 let mut decl = ClassDecl::new("BlurredView", class!(NSVisualEffectView)).unwrap();
257 unsafe {
258 decl.add_method(
259 sel!(initWithFrame:),
260 blurred_view_init_with_frame as extern "C" fn(&Object, Sel, NSRect) -> id,
261 );
262 decl.add_method(
263 sel!(updateLayer),
264 blurred_view_update_layer as extern "C" fn(&Object, Sel),
265 );
266 decl.register()
267 }
268 };
269 }
270}
271
272pub(crate) fn convert_mouse_position(position: NSPoint, window_height: Pixels) -> Point<Pixels> {
273 point(
274 px(position.x as f32),
275 // macOS screen coordinates are relative to bottom left
276 window_height - px(position.y as f32),
277 )
278}
279
280unsafe fn build_window_class(name: &'static str, superclass: &Class) -> *const Class {
281 unsafe {
282 let mut decl = ClassDecl::new(name, superclass).unwrap();
283 decl.add_ivar::<*mut c_void>(WINDOW_STATE_IVAR);
284 decl.add_method(sel!(dealloc), dealloc_window as extern "C" fn(&Object, Sel));
285
286 decl.add_method(
287 sel!(canBecomeMainWindow),
288 yes as extern "C" fn(&Object, Sel) -> BOOL,
289 );
290 decl.add_method(
291 sel!(canBecomeKeyWindow),
292 yes as extern "C" fn(&Object, Sel) -> BOOL,
293 );
294 decl.add_method(
295 sel!(windowDidResize:),
296 window_did_resize as extern "C" fn(&Object, Sel, id),
297 );
298 decl.add_method(
299 sel!(windowDidChangeOcclusionState:),
300 window_did_change_occlusion_state as extern "C" fn(&Object, Sel, id),
301 );
302 decl.add_method(
303 sel!(windowWillEnterFullScreen:),
304 window_will_enter_fullscreen as extern "C" fn(&Object, Sel, id),
305 );
306 decl.add_method(
307 sel!(windowWillExitFullScreen:),
308 window_will_exit_fullscreen as extern "C" fn(&Object, Sel, id),
309 );
310 decl.add_method(
311 sel!(windowDidMove:),
312 window_did_move as extern "C" fn(&Object, Sel, id),
313 );
314 decl.add_method(
315 sel!(windowDidChangeScreen:),
316 window_did_change_screen as extern "C" fn(&Object, Sel, id),
317 );
318 decl.add_method(
319 sel!(windowDidBecomeKey:),
320 window_did_change_key_status as extern "C" fn(&Object, Sel, id),
321 );
322 decl.add_method(
323 sel!(windowDidResignKey:),
324 window_did_change_key_status as extern "C" fn(&Object, Sel, id),
325 );
326 decl.add_method(
327 sel!(windowShouldClose:),
328 window_should_close as extern "C" fn(&Object, Sel, id) -> BOOL,
329 );
330
331 decl.add_method(sel!(close), close_window as extern "C" fn(&Object, Sel));
332
333 decl.add_method(
334 sel!(draggingEntered:),
335 dragging_entered as extern "C" fn(&Object, Sel, id) -> NSDragOperation,
336 );
337 decl.add_method(
338 sel!(draggingUpdated:),
339 dragging_updated as extern "C" fn(&Object, Sel, id) -> NSDragOperation,
340 );
341 decl.add_method(
342 sel!(draggingExited:),
343 dragging_exited as extern "C" fn(&Object, Sel, id),
344 );
345 decl.add_method(
346 sel!(performDragOperation:),
347 perform_drag_operation as extern "C" fn(&Object, Sel, id) -> BOOL,
348 );
349 decl.add_method(
350 sel!(concludeDragOperation:),
351 conclude_drag_operation as extern "C" fn(&Object, Sel, id),
352 );
353
354 decl.add_method(
355 sel!(addTitlebarAccessoryViewController:),
356 add_titlebar_accessory_view_controller as extern "C" fn(&Object, Sel, id),
357 );
358
359 decl.add_method(
360 sel!(moveTabToNewWindow:),
361 move_tab_to_new_window as extern "C" fn(&Object, Sel, id),
362 );
363
364 decl.add_method(
365 sel!(mergeAllWindows:),
366 merge_all_windows as extern "C" fn(&Object, Sel, id),
367 );
368
369 decl.add_method(
370 sel!(selectNextTab:),
371 select_next_tab as extern "C" fn(&Object, Sel, id),
372 );
373
374 decl.add_method(
375 sel!(selectPreviousTab:),
376 select_previous_tab as extern "C" fn(&Object, Sel, id),
377 );
378
379 decl.add_method(
380 sel!(toggleTabBar:),
381 toggle_tab_bar as extern "C" fn(&Object, Sel, id),
382 );
383
384 decl.register()
385 }
386}
387
388struct MacWindowState {
389 handle: AnyWindowHandle,
390 executor: ForegroundExecutor,
391 native_window: id,
392 native_view: NonNull<Object>,
393 blurred_view: Option<id>,
394 display_link: Option<DisplayLink>,
395 renderer: renderer::Renderer,
396 request_frame_callback: Option<Box<dyn FnMut(RequestFrameOptions)>>,
397 event_callback: Option<Box<dyn FnMut(PlatformInput) -> crate::DispatchEventResult>>,
398 activate_callback: Option<Box<dyn FnMut(bool)>>,
399 resize_callback: Option<Box<dyn FnMut(Size<Pixels>, f32)>>,
400 moved_callback: Option<Box<dyn FnMut()>>,
401 should_close_callback: Option<Box<dyn FnMut() -> bool>>,
402 close_callback: Option<Box<dyn FnOnce()>>,
403 appearance_changed_callback: Option<Box<dyn FnMut()>>,
404 input_handler: Option<PlatformInputHandler>,
405 last_key_equivalent: Option<KeyDownEvent>,
406 synthetic_drag_counter: usize,
407 traffic_light_position: Option<Point<Pixels>>,
408 transparent_titlebar: bool,
409 previous_modifiers_changed_event: Option<PlatformInput>,
410 keystroke_for_do_command: Option<Keystroke>,
411 do_command_handled: Option<bool>,
412 external_files_dragged: bool,
413 // Whether the next left-mouse click is also the focusing click.
414 first_mouse: bool,
415 fullscreen_restore_bounds: Bounds<Pixels>,
416 move_tab_to_new_window_callback: Option<Box<dyn FnMut()>>,
417 merge_all_windows_callback: Option<Box<dyn FnMut()>>,
418 select_next_tab_callback: Option<Box<dyn FnMut()>>,
419 select_previous_tab_callback: Option<Box<dyn FnMut()>>,
420 toggle_tab_bar_callback: Option<Box<dyn FnMut()>>,
421 activated_least_once: bool,
422}
423
424impl MacWindowState {
425 fn move_traffic_light(&self) {
426 if let Some(traffic_light_position) = self.traffic_light_position {
427 if self.is_fullscreen() {
428 // Moving traffic lights while fullscreen doesn't work,
429 // see https://github.com/zed-industries/zed/issues/4712
430 return;
431 }
432
433 let titlebar_height = self.titlebar_height();
434
435 unsafe {
436 let close_button: id = msg_send![
437 self.native_window,
438 standardWindowButton: NSWindowButton::NSWindowCloseButton
439 ];
440 let min_button: id = msg_send![
441 self.native_window,
442 standardWindowButton: NSWindowButton::NSWindowMiniaturizeButton
443 ];
444 let zoom_button: id = msg_send![
445 self.native_window,
446 standardWindowButton: NSWindowButton::NSWindowZoomButton
447 ];
448
449 let mut close_button_frame: CGRect = msg_send![close_button, frame];
450 let mut min_button_frame: CGRect = msg_send![min_button, frame];
451 let mut zoom_button_frame: CGRect = msg_send![zoom_button, frame];
452 let mut origin = point(
453 traffic_light_position.x,
454 titlebar_height
455 - traffic_light_position.y
456 - px(close_button_frame.size.height as f32),
457 );
458 let button_spacing =
459 px((min_button_frame.origin.x - close_button_frame.origin.x) as f32);
460
461 close_button_frame.origin = CGPoint::new(origin.x.into(), origin.y.into());
462 let _: () = msg_send![close_button, setFrame: close_button_frame];
463 origin.x += button_spacing;
464
465 min_button_frame.origin = CGPoint::new(origin.x.into(), origin.y.into());
466 let _: () = msg_send![min_button, setFrame: min_button_frame];
467 origin.x += button_spacing;
468
469 zoom_button_frame.origin = CGPoint::new(origin.x.into(), origin.y.into());
470 let _: () = msg_send![zoom_button, setFrame: zoom_button_frame];
471 origin.x += button_spacing;
472 }
473 }
474 }
475
476 fn start_display_link(&mut self) {
477 self.stop_display_link();
478 unsafe {
479 if !self
480 .native_window
481 .occlusionState()
482 .contains(NSWindowOcclusionState::NSWindowOcclusionStateVisible)
483 {
484 return;
485 }
486 }
487 let display_id = unsafe { display_id_for_screen(self.native_window.screen()) };
488 if let Some(mut display_link) =
489 DisplayLink::new(display_id, self.native_view.as_ptr() as *mut c_void, step).log_err()
490 {
491 display_link.start().log_err();
492 self.display_link = Some(display_link);
493 }
494 }
495
496 fn stop_display_link(&mut self) {
497 self.display_link = None;
498 }
499
500 fn is_maximized(&self) -> bool {
501 unsafe {
502 let bounds = self.bounds();
503 let screen_size = self.native_window.screen().visibleFrame().into();
504 bounds.size == screen_size
505 }
506 }
507
508 fn is_fullscreen(&self) -> bool {
509 unsafe {
510 let style_mask = self.native_window.styleMask();
511 style_mask.contains(NSWindowStyleMask::NSFullScreenWindowMask)
512 }
513 }
514
515 fn bounds(&self) -> Bounds<Pixels> {
516 let mut window_frame = unsafe { NSWindow::frame(self.native_window) };
517 let screen = unsafe { NSWindow::screen(self.native_window) };
518 if screen == nil {
519 return Bounds::new(point(px(0.), px(0.)), crate::DEFAULT_WINDOW_SIZE);
520 }
521 let screen_frame = unsafe { NSScreen::frame(screen) };
522
523 // Flip the y coordinate to be top-left origin
524 window_frame.origin.y =
525 screen_frame.size.height - window_frame.origin.y - window_frame.size.height;
526
527 Bounds::new(
528 point(
529 px((window_frame.origin.x - screen_frame.origin.x) as f32),
530 px((window_frame.origin.y + screen_frame.origin.y) as f32),
531 ),
532 size(
533 px(window_frame.size.width as f32),
534 px(window_frame.size.height as f32),
535 ),
536 )
537 }
538
539 fn content_size(&self) -> Size<Pixels> {
540 let NSSize { width, height, .. } =
541 unsafe { NSView::frame(self.native_window.contentView()) }.size;
542 size(px(width as f32), px(height as f32))
543 }
544
545 fn scale_factor(&self) -> f32 {
546 get_scale_factor(self.native_window)
547 }
548
549 fn titlebar_height(&self) -> Pixels {
550 unsafe {
551 let frame = NSWindow::frame(self.native_window);
552 let content_layout_rect: CGRect = msg_send![self.native_window, contentLayoutRect];
553 px((frame.size.height - content_layout_rect.size.height) as f32)
554 }
555 }
556
557 fn window_bounds(&self) -> WindowBounds {
558 if self.is_fullscreen() {
559 WindowBounds::Fullscreen(self.fullscreen_restore_bounds)
560 } else {
561 WindowBounds::Windowed(self.bounds())
562 }
563 }
564}
565
566unsafe impl Send for MacWindowState {}
567
568pub(crate) struct MacWindow(Arc<Mutex<MacWindowState>>);
569
570impl MacWindow {
571 pub fn open(
572 handle: AnyWindowHandle,
573 WindowParams {
574 bounds,
575 titlebar,
576 kind,
577 is_movable,
578 is_resizable,
579 is_minimizable,
580 focus,
581 show,
582 display_id,
583 window_min_size,
584 tabbing_identifier,
585 }: WindowParams,
586 executor: ForegroundExecutor,
587 renderer_context: renderer::Context,
588 ) -> Self {
589 unsafe {
590 let pool = NSAutoreleasePool::new(nil);
591
592 let allows_automatic_window_tabbing = tabbing_identifier.is_some();
593 if allows_automatic_window_tabbing {
594 let () = msg_send![class!(NSWindow), setAllowsAutomaticWindowTabbing: YES];
595 } else {
596 let () = msg_send![class!(NSWindow), setAllowsAutomaticWindowTabbing: NO];
597 }
598
599 let mut style_mask;
600 if let Some(titlebar) = titlebar.as_ref() {
601 style_mask =
602 NSWindowStyleMask::NSClosableWindowMask | NSWindowStyleMask::NSTitledWindowMask;
603
604 if is_resizable {
605 style_mask |= NSWindowStyleMask::NSResizableWindowMask;
606 }
607
608 if is_minimizable {
609 style_mask |= NSWindowStyleMask::NSMiniaturizableWindowMask;
610 }
611
612 if titlebar.appears_transparent {
613 style_mask |= NSWindowStyleMask::NSFullSizeContentViewWindowMask;
614 }
615 } else {
616 style_mask = NSWindowStyleMask::NSTitledWindowMask
617 | NSWindowStyleMask::NSFullSizeContentViewWindowMask;
618 }
619
620 let native_window: id = match kind {
621 WindowKind::Normal | WindowKind::Floating => msg_send![WINDOW_CLASS, alloc],
622 WindowKind::PopUp => {
623 style_mask |= NSWindowStyleMaskNonactivatingPanel;
624 msg_send![PANEL_CLASS, alloc]
625 }
626 };
627
628 let display = display_id
629 .and_then(MacDisplay::find_by_id)
630 .unwrap_or_else(MacDisplay::primary);
631
632 let mut target_screen = nil;
633 let mut screen_frame = None;
634
635 let screens = NSScreen::screens(nil);
636 let count: u64 = cocoa::foundation::NSArray::count(screens);
637 for i in 0..count {
638 let screen = cocoa::foundation::NSArray::objectAtIndex(screens, i);
639 let frame = NSScreen::frame(screen);
640 let display_id = display_id_for_screen(screen);
641 if display_id == display.0 {
642 screen_frame = Some(frame);
643 target_screen = screen;
644 }
645 }
646
647 let screen_frame = screen_frame.unwrap_or_else(|| {
648 let screen = NSScreen::mainScreen(nil);
649 target_screen = screen;
650 NSScreen::frame(screen)
651 });
652
653 let window_rect = NSRect::new(
654 NSPoint::new(
655 screen_frame.origin.x + bounds.origin.x.0 as f64,
656 screen_frame.origin.y
657 + (display.bounds().size.height - bounds.origin.y).0 as f64,
658 ),
659 NSSize::new(bounds.size.width.0 as f64, bounds.size.height.0 as f64),
660 );
661
662 let native_window = native_window.initWithContentRect_styleMask_backing_defer_screen_(
663 window_rect,
664 style_mask,
665 NSBackingStoreBuffered,
666 NO,
667 target_screen,
668 );
669 assert!(!native_window.is_null());
670 let () = msg_send![
671 native_window,
672 registerForDraggedTypes:
673 NSArray::arrayWithObject(nil, NSFilenamesPboardType)
674 ];
675 let () = msg_send![
676 native_window,
677 setReleasedWhenClosed: NO
678 ];
679
680 let content_view = native_window.contentView();
681 let native_view: id = msg_send![VIEW_CLASS, alloc];
682 let native_view = NSView::initWithFrame_(native_view, NSView::bounds(content_view));
683 assert!(!native_view.is_null());
684
685 let mut window = Self(Arc::new(Mutex::new(MacWindowState {
686 handle,
687 executor,
688 native_window,
689 native_view: NonNull::new_unchecked(native_view),
690 blurred_view: None,
691 display_link: None,
692 renderer: renderer::new_renderer(
693 renderer_context,
694 native_window as *mut _,
695 native_view as *mut _,
696 bounds.size.map(|pixels| pixels.0),
697 false,
698 ),
699 request_frame_callback: None,
700 event_callback: None,
701 activate_callback: None,
702 resize_callback: None,
703 moved_callback: None,
704 should_close_callback: None,
705 close_callback: None,
706 appearance_changed_callback: None,
707 input_handler: None,
708 last_key_equivalent: None,
709 synthetic_drag_counter: 0,
710 traffic_light_position: titlebar
711 .as_ref()
712 .and_then(|titlebar| titlebar.traffic_light_position),
713 transparent_titlebar: titlebar
714 .as_ref()
715 .is_none_or(|titlebar| titlebar.appears_transparent),
716 previous_modifiers_changed_event: None,
717 keystroke_for_do_command: None,
718 do_command_handled: None,
719 external_files_dragged: false,
720 first_mouse: false,
721 fullscreen_restore_bounds: Bounds::default(),
722 move_tab_to_new_window_callback: None,
723 merge_all_windows_callback: None,
724 select_next_tab_callback: None,
725 select_previous_tab_callback: None,
726 toggle_tab_bar_callback: None,
727 activated_least_once: false,
728 })));
729
730 (*native_window).set_ivar(
731 WINDOW_STATE_IVAR,
732 Arc::into_raw(window.0.clone()) as *const c_void,
733 );
734 native_window.setDelegate_(native_window);
735 (*native_view).set_ivar(
736 WINDOW_STATE_IVAR,
737 Arc::into_raw(window.0.clone()) as *const c_void,
738 );
739
740 if let Some(title) = titlebar
741 .as_ref()
742 .and_then(|t| t.title.as_ref().map(AsRef::as_ref))
743 {
744 window.set_title(title);
745 }
746
747 native_window.setMovable_(is_movable as BOOL);
748
749 if let Some(window_min_size) = window_min_size {
750 native_window.setContentMinSize_(NSSize {
751 width: window_min_size.width.to_f64(),
752 height: window_min_size.height.to_f64(),
753 });
754 }
755
756 if titlebar.is_none_or(|titlebar| titlebar.appears_transparent) {
757 native_window.setTitlebarAppearsTransparent_(YES);
758 native_window.setTitleVisibility_(NSWindowTitleVisibility::NSWindowTitleHidden);
759 }
760
761 native_view.setAutoresizingMask_(NSViewWidthSizable | NSViewHeightSizable);
762 native_view.setWantsBestResolutionOpenGLSurface_(YES);
763
764 // From winit crate: On Mojave, views automatically become layer-backed shortly after
765 // being added to a native_window. Changing the layer-backedness of a view breaks the
766 // association between the view and its associated OpenGL context. To work around this,
767 // on we explicitly make the view layer-backed up front so that AppKit doesn't do it
768 // itself and break the association with its context.
769 native_view.setWantsLayer(YES);
770 let _: () = msg_send![
771 native_view,
772 setLayerContentsRedrawPolicy: NSViewLayerContentsRedrawDuringViewResize
773 ];
774
775 content_view.addSubview_(native_view.autorelease());
776 native_window.makeFirstResponder_(native_view);
777
778 match kind {
779 WindowKind::Normal | WindowKind::Floating => {
780 native_window.setLevel_(NSNormalWindowLevel);
781 native_window.setAcceptsMouseMovedEvents_(YES);
782
783 if let Some(tabbing_identifier) = tabbing_identifier {
784 let tabbing_id = NSString::alloc(nil).init_str(tabbing_identifier.as_str());
785 let _: () = msg_send![native_window, setTabbingIdentifier: tabbing_id];
786 } else {
787 let _: () = msg_send![native_window, setTabbingIdentifier:nil];
788 }
789 }
790 WindowKind::PopUp => {
791 // Use a tracking area to allow receiving MouseMoved events even when
792 // the window or application aren't active, which is often the case
793 // e.g. for notification windows.
794 let tracking_area: id = msg_send![class!(NSTrackingArea), alloc];
795 let _: () = msg_send![
796 tracking_area,
797 initWithRect: NSRect::new(NSPoint::new(0., 0.), NSSize::new(0., 0.))
798 options: NSTrackingMouseEnteredAndExited | NSTrackingMouseMoved | NSTrackingActiveAlways | NSTrackingInVisibleRect
799 owner: native_view
800 userInfo: nil
801 ];
802 let _: () =
803 msg_send![native_view, addTrackingArea: tracking_area.autorelease()];
804
805 native_window.setLevel_(NSPopUpWindowLevel);
806 let _: () = msg_send![
807 native_window,
808 setAnimationBehavior: NSWindowAnimationBehaviorUtilityWindow
809 ];
810 native_window.setCollectionBehavior_(
811 NSWindowCollectionBehavior::NSWindowCollectionBehaviorCanJoinAllSpaces |
812 NSWindowCollectionBehavior::NSWindowCollectionBehaviorFullScreenAuxiliary
813 );
814 }
815 }
816
817 let app = NSApplication::sharedApplication(nil);
818 let main_window: id = msg_send![app, mainWindow];
819 if allows_automatic_window_tabbing
820 && !main_window.is_null()
821 && main_window != native_window
822 {
823 let main_window_is_fullscreen = main_window
824 .styleMask()
825 .contains(NSWindowStyleMask::NSFullScreenWindowMask);
826 let user_tabbing_preference = Self::get_user_tabbing_preference()
827 .unwrap_or(UserTabbingPreference::InFullScreen);
828 let should_add_as_tab = user_tabbing_preference == UserTabbingPreference::Always
829 || user_tabbing_preference == UserTabbingPreference::InFullScreen
830 && main_window_is_fullscreen;
831
832 if should_add_as_tab {
833 let main_window_can_tab: BOOL =
834 msg_send![main_window, respondsToSelector: sel!(addTabbedWindow:ordered:)];
835 let main_window_visible: BOOL = msg_send![main_window, isVisible];
836
837 if main_window_can_tab == YES && main_window_visible == YES {
838 let _: () = msg_send![main_window, addTabbedWindow: native_window ordered: NSWindowOrderingMode::NSWindowAbove];
839
840 // Ensure the window is visible immediately after adding the tab, since the tab bar is updated with a new entry at this point.
841 // Note: Calling orderFront here can break fullscreen mode (makes fullscreen windows exit fullscreen), so only do this if the main window is not fullscreen.
842 if !main_window_is_fullscreen {
843 let _: () = msg_send![native_window, orderFront: nil];
844 }
845 }
846 }
847 }
848
849 if focus && show {
850 native_window.makeKeyAndOrderFront_(nil);
851 } else if show {
852 native_window.orderFront_(nil);
853 }
854
855 // Set the initial position of the window to the specified origin.
856 // Although we already specified the position using `initWithContentRect_styleMask_backing_defer_screen_`,
857 // the window position might be incorrect if the main screen (the screen that contains the window that has focus)
858 // is different from the primary screen.
859 NSWindow::setFrameTopLeftPoint_(native_window, window_rect.origin);
860 window.0.lock().move_traffic_light();
861
862 pool.drain();
863
864 window
865 }
866 }
867
868 pub fn active_window() -> Option<AnyWindowHandle> {
869 unsafe {
870 let app = NSApplication::sharedApplication(nil);
871 let main_window: id = msg_send![app, mainWindow];
872 if main_window.is_null() {
873 return None;
874 }
875
876 if msg_send![main_window, isKindOfClass: WINDOW_CLASS] {
877 let handle = get_window_state(&*main_window).lock().handle;
878 Some(handle)
879 } else {
880 None
881 }
882 }
883 }
884
885 pub fn ordered_windows() -> Vec<AnyWindowHandle> {
886 unsafe {
887 let app = NSApplication::sharedApplication(nil);
888 let windows: id = msg_send![app, orderedWindows];
889 let count: NSUInteger = msg_send![windows, count];
890
891 let mut window_handles = Vec::new();
892 for i in 0..count {
893 let window: id = msg_send![windows, objectAtIndex:i];
894 if msg_send![window, isKindOfClass: WINDOW_CLASS] {
895 let handle = get_window_state(&*window).lock().handle;
896 window_handles.push(handle);
897 }
898 }
899
900 window_handles
901 }
902 }
903
904 pub fn get_user_tabbing_preference() -> Option<UserTabbingPreference> {
905 unsafe {
906 let defaults: id = NSUserDefaults::standardUserDefaults();
907 let domain = NSString::alloc(nil).init_str("NSGlobalDomain");
908 let key = NSString::alloc(nil).init_str("AppleWindowTabbingMode");
909
910 let dict: id = msg_send![defaults, persistentDomainForName: domain];
911 let value: id = if !dict.is_null() {
912 msg_send![dict, objectForKey: key]
913 } else {
914 nil
915 };
916
917 let value_str = if !value.is_null() {
918 CStr::from_ptr(NSString::UTF8String(value)).to_string_lossy()
919 } else {
920 "".into()
921 };
922
923 match value_str.as_ref() {
924 "manual" => Some(UserTabbingPreference::Never),
925 "always" => Some(UserTabbingPreference::Always),
926 _ => Some(UserTabbingPreference::InFullScreen),
927 }
928 }
929 }
930}
931
932impl Drop for MacWindow {
933 fn drop(&mut self) {
934 let mut this = self.0.lock();
935 this.renderer.destroy();
936 let window = this.native_window;
937 this.display_link.take();
938 unsafe {
939 this.native_window.setDelegate_(nil);
940 }
941 this.input_handler.take();
942 this.executor
943 .spawn(async move {
944 unsafe {
945 window.close();
946 window.autorelease();
947 }
948 })
949 .detach();
950 }
951}
952
953impl PlatformWindow for MacWindow {
954 fn bounds(&self) -> Bounds<Pixels> {
955 self.0.as_ref().lock().bounds()
956 }
957
958 fn window_bounds(&self) -> WindowBounds {
959 self.0.as_ref().lock().window_bounds()
960 }
961
962 fn is_maximized(&self) -> bool {
963 self.0.as_ref().lock().is_maximized()
964 }
965
966 fn content_size(&self) -> Size<Pixels> {
967 self.0.as_ref().lock().content_size()
968 }
969
970 fn resize(&mut self, size: Size<Pixels>) {
971 let this = self.0.lock();
972 let window = this.native_window;
973 this.executor
974 .spawn(async move {
975 unsafe {
976 window.setContentSize_(NSSize {
977 width: size.width.0 as f64,
978 height: size.height.0 as f64,
979 });
980 }
981 })
982 .detach();
983 }
984
985 fn merge_all_windows(&self) {
986 let native_window = self.0.lock().native_window;
987 unsafe extern "C" fn merge_windows_async(context: *mut std::ffi::c_void) {
988 let native_window = context as id;
989 let _: () = msg_send![native_window, mergeAllWindows:nil];
990 }
991
992 unsafe {
993 dispatch_async_f(
994 dispatch_get_main_queue(),
995 native_window as *mut std::ffi::c_void,
996 Some(merge_windows_async),
997 );
998 }
999 }
1000
1001 fn move_tab_to_new_window(&self) {
1002 let native_window = self.0.lock().native_window;
1003 unsafe extern "C" fn move_tab_async(context: *mut std::ffi::c_void) {
1004 let native_window = context as id;
1005 let _: () = msg_send![native_window, moveTabToNewWindow:nil];
1006 let _: () = msg_send![native_window, makeKeyAndOrderFront: nil];
1007 }
1008
1009 unsafe {
1010 dispatch_async_f(
1011 dispatch_get_main_queue(),
1012 native_window as *mut std::ffi::c_void,
1013 Some(move_tab_async),
1014 );
1015 }
1016 }
1017
1018 fn toggle_window_tab_overview(&self) {
1019 let native_window = self.0.lock().native_window;
1020 unsafe {
1021 let _: () = msg_send![native_window, toggleTabOverview:nil];
1022 }
1023 }
1024
1025 fn set_tabbing_identifier(&self, tabbing_identifier: Option<String>) {
1026 let native_window = self.0.lock().native_window;
1027 unsafe {
1028 let allows_automatic_window_tabbing = tabbing_identifier.is_some();
1029 if allows_automatic_window_tabbing {
1030 let () = msg_send![class!(NSWindow), setAllowsAutomaticWindowTabbing: YES];
1031 } else {
1032 let () = msg_send![class!(NSWindow), setAllowsAutomaticWindowTabbing: NO];
1033 }
1034
1035 if let Some(tabbing_identifier) = tabbing_identifier {
1036 let tabbing_id = NSString::alloc(nil).init_str(tabbing_identifier.as_str());
1037 let _: () = msg_send![native_window, setTabbingIdentifier: tabbing_id];
1038 } else {
1039 let _: () = msg_send![native_window, setTabbingIdentifier:nil];
1040 }
1041 }
1042 }
1043
1044 fn scale_factor(&self) -> f32 {
1045 self.0.as_ref().lock().scale_factor()
1046 }
1047
1048 fn appearance(&self) -> WindowAppearance {
1049 unsafe {
1050 let appearance: id = msg_send![self.0.lock().native_window, effectiveAppearance];
1051 WindowAppearance::from_native(appearance)
1052 }
1053 }
1054
1055 fn display(&self) -> Option<Rc<dyn PlatformDisplay>> {
1056 unsafe {
1057 let screen = self.0.lock().native_window.screen();
1058 if screen.is_null() {
1059 return None;
1060 }
1061 let device_description: id = msg_send![screen, deviceDescription];
1062 let screen_number: id = NSDictionary::valueForKey_(
1063 device_description,
1064 NSString::alloc(nil).init_str("NSScreenNumber"),
1065 );
1066
1067 let screen_number: u32 = msg_send![screen_number, unsignedIntValue];
1068
1069 Some(Rc::new(MacDisplay(screen_number)))
1070 }
1071 }
1072
1073 fn mouse_position(&self) -> Point<Pixels> {
1074 let position = unsafe {
1075 self.0
1076 .lock()
1077 .native_window
1078 .mouseLocationOutsideOfEventStream()
1079 };
1080 convert_mouse_position(position, self.content_size().height)
1081 }
1082
1083 fn modifiers(&self) -> Modifiers {
1084 unsafe {
1085 let modifiers: NSEventModifierFlags = msg_send![class!(NSEvent), modifierFlags];
1086
1087 let control = modifiers.contains(NSEventModifierFlags::NSControlKeyMask);
1088 let alt = modifiers.contains(NSEventModifierFlags::NSAlternateKeyMask);
1089 let shift = modifiers.contains(NSEventModifierFlags::NSShiftKeyMask);
1090 let command = modifiers.contains(NSEventModifierFlags::NSCommandKeyMask);
1091 let function = modifiers.contains(NSEventModifierFlags::NSFunctionKeyMask);
1092
1093 Modifiers {
1094 control,
1095 alt,
1096 shift,
1097 platform: command,
1098 function,
1099 }
1100 }
1101 }
1102
1103 fn capslock(&self) -> Capslock {
1104 unsafe {
1105 let modifiers: NSEventModifierFlags = msg_send![class!(NSEvent), modifierFlags];
1106
1107 Capslock {
1108 on: modifiers.contains(NSEventModifierFlags::NSAlphaShiftKeyMask),
1109 }
1110 }
1111 }
1112
1113 fn set_input_handler(&mut self, input_handler: PlatformInputHandler) {
1114 self.0.as_ref().lock().input_handler = Some(input_handler);
1115 }
1116
1117 fn take_input_handler(&mut self) -> Option<PlatformInputHandler> {
1118 self.0.as_ref().lock().input_handler.take()
1119 }
1120
1121 fn prompt(
1122 &self,
1123 level: PromptLevel,
1124 msg: &str,
1125 detail: Option<&str>,
1126 answers: &[PromptButton],
1127 ) -> Option<oneshot::Receiver<usize>> {
1128 // macOs applies overrides to modal window buttons after they are added.
1129 // Two most important for this logic are:
1130 // * Buttons with "Cancel" title will be displayed as the last buttons in the modal
1131 // * Last button added to the modal via `addButtonWithTitle` stays focused
1132 // * Focused buttons react on "space"/" " keypresses
1133 // * Usage of `keyEquivalent`, `makeFirstResponder` or `setInitialFirstResponder` does not change the focus
1134 //
1135 // See also https://developer.apple.com/documentation/appkit/nsalert/1524532-addbuttonwithtitle#discussion
1136 // ```
1137 // By default, the first button has a key equivalent of Return,
1138 // any button with a title of “Cancel” has a key equivalent of Escape,
1139 // and any button with the title “Don’t Save” has a key equivalent of Command-D (but only if it’s not the first button).
1140 // ```
1141 //
1142 // To avoid situations when the last element added is "Cancel" and it gets the focus
1143 // (hence stealing both ESC and Space shortcuts), we find and add one non-Cancel button
1144 // last, so it gets focus and a Space shortcut.
1145 // This way, "Save this file? Yes/No/Cancel"-ish modals will get all three buttons mapped with a key.
1146 let latest_non_cancel_label = answers
1147 .iter()
1148 .enumerate()
1149 .rev()
1150 .find(|(_, label)| !label.is_cancel())
1151 .filter(|&(label_index, _)| label_index > 0);
1152
1153 unsafe {
1154 let alert: id = msg_send![class!(NSAlert), alloc];
1155 let alert: id = msg_send![alert, init];
1156 let alert_style = match level {
1157 PromptLevel::Info => 1,
1158 PromptLevel::Warning => 0,
1159 PromptLevel::Critical => 2,
1160 };
1161 let _: () = msg_send![alert, setAlertStyle: alert_style];
1162 let _: () = msg_send![alert, setMessageText: ns_string(msg)];
1163 if let Some(detail) = detail {
1164 let _: () = msg_send![alert, setInformativeText: ns_string(detail)];
1165 }
1166
1167 for (ix, answer) in answers
1168 .iter()
1169 .enumerate()
1170 .filter(|&(ix, _)| Some(ix) != latest_non_cancel_label.map(|(ix, _)| ix))
1171 {
1172 let button: id = msg_send![alert, addButtonWithTitle: ns_string(answer.label())];
1173 let _: () = msg_send![button, setTag: ix as NSInteger];
1174
1175 if answer.is_cancel() {
1176 // Bind Escape Key to Cancel Button
1177 if let Some(key) = std::char::from_u32(super::events::ESCAPE_KEY as u32) {
1178 let _: () =
1179 msg_send![button, setKeyEquivalent: ns_string(&key.to_string())];
1180 }
1181 }
1182 }
1183 if let Some((ix, answer)) = latest_non_cancel_label {
1184 let button: id = msg_send![alert, addButtonWithTitle: ns_string(answer.label())];
1185 let _: () = msg_send![button, setTag: ix as NSInteger];
1186 }
1187
1188 let (done_tx, done_rx) = oneshot::channel();
1189 let done_tx = Cell::new(Some(done_tx));
1190 let block = ConcreteBlock::new(move |answer: NSInteger| {
1191 if let Some(done_tx) = done_tx.take() {
1192 let _ = done_tx.send(answer.try_into().unwrap());
1193 }
1194 });
1195 let block = block.copy();
1196 let native_window = self.0.lock().native_window;
1197 let executor = self.0.lock().executor.clone();
1198 executor
1199 .spawn(async move {
1200 let _: () = msg_send![
1201 alert,
1202 beginSheetModalForWindow: native_window
1203 completionHandler: block
1204 ];
1205 })
1206 .detach();
1207
1208 Some(done_rx)
1209 }
1210 }
1211
1212 fn activate(&self) {
1213 let window = self.0.lock().native_window;
1214 let executor = self.0.lock().executor.clone();
1215 executor
1216 .spawn(async move {
1217 unsafe {
1218 let _: () = msg_send![window, makeKeyAndOrderFront: nil];
1219 }
1220 })
1221 .detach();
1222 }
1223
1224 fn is_active(&self) -> bool {
1225 unsafe { self.0.lock().native_window.isKeyWindow() == YES }
1226 }
1227
1228 // is_hovered is unused on macOS. See Window::is_window_hovered.
1229 fn is_hovered(&self) -> bool {
1230 false
1231 }
1232
1233 fn set_title(&mut self, title: &str) {
1234 unsafe {
1235 let app = NSApplication::sharedApplication(nil);
1236 let window = self.0.lock().native_window;
1237 let title = ns_string(title);
1238 let _: () = msg_send![app, changeWindowsItem:window title:title filename:false];
1239 let _: () = msg_send![window, setTitle: title];
1240 self.0.lock().move_traffic_light();
1241 }
1242 }
1243
1244 fn get_title(&self) -> String {
1245 unsafe {
1246 let title: id = msg_send![self.0.lock().native_window, title];
1247 if title.is_null() {
1248 "".to_string()
1249 } else {
1250 title.to_str().to_string()
1251 }
1252 }
1253 }
1254
1255 fn set_app_id(&mut self, _app_id: &str) {}
1256
1257 fn set_background_appearance(&self, background_appearance: WindowBackgroundAppearance) {
1258 let mut this = self.0.as_ref().lock();
1259
1260 let opaque = background_appearance == WindowBackgroundAppearance::Opaque;
1261 this.renderer.update_transparency(!opaque);
1262
1263 unsafe {
1264 this.native_window.setOpaque_(opaque as BOOL);
1265 let background_color = if opaque {
1266 NSColor::colorWithSRGBRed_green_blue_alpha_(nil, 0f64, 0f64, 0f64, 1f64)
1267 } else {
1268 // Not using `+[NSColor clearColor]` to avoid broken shadow.
1269 NSColor::colorWithSRGBRed_green_blue_alpha_(nil, 0f64, 0f64, 0f64, 0.0001)
1270 };
1271 this.native_window.setBackgroundColor_(background_color);
1272
1273 if NSAppKitVersionNumber < NSAppKitVersionNumber12_0 {
1274 // Whether `-[NSVisualEffectView respondsToSelector:@selector(_updateProxyLayer)]`.
1275 // On macOS Catalina/Big Sur `NSVisualEffectView` doesn’t own concrete sublayers
1276 // but uses a `CAProxyLayer`. Use the legacy WindowServer API.
1277 let blur_radius = if background_appearance == WindowBackgroundAppearance::Blurred {
1278 80
1279 } else {
1280 0
1281 };
1282
1283 let window_number = this.native_window.windowNumber();
1284 CGSSetWindowBackgroundBlurRadius(CGSMainConnectionID(), window_number, blur_radius);
1285 } else {
1286 // On newer macOS `NSVisualEffectView` manages the effect layer directly. Using it
1287 // could have a better performance (it downsamples the backdrop) and more control
1288 // over the effect layer.
1289 if background_appearance != WindowBackgroundAppearance::Blurred {
1290 if let Some(blur_view) = this.blurred_view {
1291 NSView::removeFromSuperview(blur_view);
1292 this.blurred_view = None;
1293 }
1294 } else if this.blurred_view.is_none() {
1295 let content_view = this.native_window.contentView();
1296 let frame = NSView::bounds(content_view);
1297 let mut blur_view: id = msg_send![BLURRED_VIEW_CLASS, alloc];
1298 blur_view = NSView::initWithFrame_(blur_view, frame);
1299 blur_view.setAutoresizingMask_(NSViewWidthSizable | NSViewHeightSizable);
1300
1301 let _: () = msg_send![
1302 content_view,
1303 addSubview: blur_view
1304 positioned: NSWindowOrderingMode::NSWindowBelow
1305 relativeTo: nil
1306 ];
1307 this.blurred_view = Some(blur_view.autorelease());
1308 }
1309 }
1310 }
1311 }
1312
1313 fn set_edited(&mut self, edited: bool) {
1314 unsafe {
1315 let window = self.0.lock().native_window;
1316 msg_send![window, setDocumentEdited: edited as BOOL]
1317 }
1318
1319 // Changing the document edited state resets the traffic light position,
1320 // so we have to move it again.
1321 self.0.lock().move_traffic_light();
1322 }
1323
1324 fn show_character_palette(&self) {
1325 let this = self.0.lock();
1326 let window = this.native_window;
1327 this.executor
1328 .spawn(async move {
1329 unsafe {
1330 let app = NSApplication::sharedApplication(nil);
1331 let _: () = msg_send![app, orderFrontCharacterPalette: window];
1332 }
1333 })
1334 .detach();
1335 }
1336
1337 fn minimize(&self) {
1338 let window = self.0.lock().native_window;
1339 unsafe {
1340 window.miniaturize_(nil);
1341 }
1342 }
1343
1344 fn zoom(&self) {
1345 let this = self.0.lock();
1346 let window = this.native_window;
1347 this.executor
1348 .spawn(async move {
1349 unsafe {
1350 window.zoom_(nil);
1351 }
1352 })
1353 .detach();
1354 }
1355
1356 fn toggle_fullscreen(&self) {
1357 let this = self.0.lock();
1358 let window = this.native_window;
1359 this.executor
1360 .spawn(async move {
1361 unsafe {
1362 window.toggleFullScreen_(nil);
1363 }
1364 })
1365 .detach();
1366 }
1367
1368 fn is_fullscreen(&self) -> bool {
1369 let this = self.0.lock();
1370 let window = this.native_window;
1371
1372 unsafe {
1373 window
1374 .styleMask()
1375 .contains(NSWindowStyleMask::NSFullScreenWindowMask)
1376 }
1377 }
1378
1379 fn on_request_frame(&self, callback: Box<dyn FnMut(RequestFrameOptions)>) {
1380 self.0.as_ref().lock().request_frame_callback = Some(callback);
1381 }
1382
1383 fn on_input(&self, callback: Box<dyn FnMut(PlatformInput) -> crate::DispatchEventResult>) {
1384 self.0.as_ref().lock().event_callback = Some(callback);
1385 }
1386
1387 fn on_active_status_change(&self, callback: Box<dyn FnMut(bool)>) {
1388 self.0.as_ref().lock().activate_callback = Some(callback);
1389 }
1390
1391 fn on_hover_status_change(&self, _: Box<dyn FnMut(bool)>) {}
1392
1393 fn on_resize(&self, callback: Box<dyn FnMut(Size<Pixels>, f32)>) {
1394 self.0.as_ref().lock().resize_callback = Some(callback);
1395 }
1396
1397 fn on_moved(&self, callback: Box<dyn FnMut()>) {
1398 self.0.as_ref().lock().moved_callback = Some(callback);
1399 }
1400
1401 fn on_should_close(&self, callback: Box<dyn FnMut() -> bool>) {
1402 self.0.as_ref().lock().should_close_callback = Some(callback);
1403 }
1404
1405 fn on_close(&self, callback: Box<dyn FnOnce()>) {
1406 self.0.as_ref().lock().close_callback = Some(callback);
1407 }
1408
1409 fn on_hit_test_window_control(&self, _callback: Box<dyn FnMut() -> Option<WindowControlArea>>) {
1410 }
1411
1412 fn on_appearance_changed(&self, callback: Box<dyn FnMut()>) {
1413 self.0.lock().appearance_changed_callback = Some(callback);
1414 }
1415
1416 fn tabbed_windows(&self) -> Option<Vec<SystemWindowTab>> {
1417 unsafe {
1418 let windows: id = msg_send![self.0.lock().native_window, tabbedWindows];
1419 if windows.is_null() {
1420 return None;
1421 }
1422
1423 let count: NSUInteger = msg_send![windows, count];
1424 let mut result = Vec::new();
1425 for i in 0..count {
1426 let window: id = msg_send![windows, objectAtIndex:i];
1427 if msg_send![window, isKindOfClass: WINDOW_CLASS] {
1428 let handle = get_window_state(&*window).lock().handle;
1429 let title: id = msg_send![window, title];
1430 let title = SharedString::from(title.to_str().to_string());
1431
1432 result.push(SystemWindowTab::new(title, handle));
1433 }
1434 }
1435
1436 Some(result)
1437 }
1438 }
1439
1440 fn tab_bar_visible(&self) -> bool {
1441 unsafe {
1442 let tab_group: id = msg_send![self.0.lock().native_window, tabGroup];
1443 if tab_group.is_null() {
1444 false
1445 } else {
1446 let tab_bar_visible: BOOL = msg_send![tab_group, isTabBarVisible];
1447 tab_bar_visible == YES
1448 }
1449 }
1450 }
1451
1452 fn on_move_tab_to_new_window(&self, callback: Box<dyn FnMut()>) {
1453 self.0.as_ref().lock().move_tab_to_new_window_callback = Some(callback);
1454 }
1455
1456 fn on_merge_all_windows(&self, callback: Box<dyn FnMut()>) {
1457 self.0.as_ref().lock().merge_all_windows_callback = Some(callback);
1458 }
1459
1460 fn on_select_next_tab(&self, callback: Box<dyn FnMut()>) {
1461 self.0.as_ref().lock().select_next_tab_callback = Some(callback);
1462 }
1463
1464 fn on_select_previous_tab(&self, callback: Box<dyn FnMut()>) {
1465 self.0.as_ref().lock().select_previous_tab_callback = Some(callback);
1466 }
1467
1468 fn on_toggle_tab_bar(&self, callback: Box<dyn FnMut()>) {
1469 self.0.as_ref().lock().toggle_tab_bar_callback = Some(callback);
1470 }
1471
1472 fn draw(&self, scene: &crate::Scene) {
1473 let mut this = self.0.lock();
1474 this.renderer.draw(scene);
1475 }
1476
1477 fn sprite_atlas(&self) -> Arc<dyn PlatformAtlas> {
1478 self.0.lock().renderer.sprite_atlas().clone()
1479 }
1480
1481 fn gpu_specs(&self) -> Option<crate::GpuSpecs> {
1482 None
1483 }
1484
1485 fn update_ime_position(&self, _bounds: Bounds<Pixels>) {
1486 let executor = self.0.lock().executor.clone();
1487 executor
1488 .spawn(async move {
1489 unsafe {
1490 let input_context: id =
1491 msg_send![class!(NSTextInputContext), currentInputContext];
1492 if input_context.is_null() {
1493 return;
1494 }
1495 let _: () = msg_send![input_context, invalidateCharacterCoordinates];
1496 }
1497 })
1498 .detach()
1499 }
1500
1501 fn titlebar_double_click(&self) {
1502 let this = self.0.lock();
1503 let window = this.native_window;
1504 this.executor
1505 .spawn(async move {
1506 unsafe {
1507 let defaults: id = NSUserDefaults::standardUserDefaults();
1508 let domain = NSString::alloc(nil).init_str("NSGlobalDomain");
1509 let key = NSString::alloc(nil).init_str("AppleActionOnDoubleClick");
1510
1511 let dict: id = msg_send![defaults, persistentDomainForName: domain];
1512 let action: id = if !dict.is_null() {
1513 msg_send![dict, objectForKey: key]
1514 } else {
1515 nil
1516 };
1517
1518 let action_str = if !action.is_null() {
1519 CStr::from_ptr(NSString::UTF8String(action)).to_string_lossy()
1520 } else {
1521 "".into()
1522 };
1523
1524 match action_str.as_ref() {
1525 "None" => {
1526 // "Do Nothing" selected, so do no action
1527 }
1528 "Minimize" => {
1529 window.miniaturize_(nil);
1530 }
1531 "Maximize" => {
1532 window.zoom_(nil);
1533 }
1534 "Fill" => {
1535 // There is no documented API for "Fill" action, so we'll just zoom the window
1536 window.zoom_(nil);
1537 }
1538 _ => {
1539 window.zoom_(nil);
1540 }
1541 }
1542 }
1543 })
1544 .detach();
1545 }
1546}
1547
1548impl rwh::HasWindowHandle for MacWindow {
1549 fn window_handle(&self) -> Result<rwh::WindowHandle<'_>, rwh::HandleError> {
1550 // SAFETY: The AppKitWindowHandle is a wrapper around a pointer to an NSView
1551 unsafe {
1552 Ok(rwh::WindowHandle::borrow_raw(rwh::RawWindowHandle::AppKit(
1553 rwh::AppKitWindowHandle::new(self.0.lock().native_view.cast()),
1554 )))
1555 }
1556 }
1557}
1558
1559impl rwh::HasDisplayHandle for MacWindow {
1560 fn display_handle(&self) -> Result<rwh::DisplayHandle<'_>, rwh::HandleError> {
1561 // SAFETY: This is a no-op on macOS
1562 unsafe {
1563 Ok(rwh::DisplayHandle::borrow_raw(
1564 rwh::AppKitDisplayHandle::new().into(),
1565 ))
1566 }
1567 }
1568}
1569
1570fn get_scale_factor(native_window: id) -> f32 {
1571 let factor = unsafe {
1572 let screen: id = msg_send![native_window, screen];
1573 if screen.is_null() {
1574 return 2.0;
1575 }
1576 NSScreen::backingScaleFactor(screen) as f32
1577 };
1578
1579 // We are not certain what triggers this, but it seems that sometimes
1580 // this method would return 0 (https://github.com/zed-industries/zed/issues/6412)
1581 // It seems most likely that this would happen if the window has no screen
1582 // (if it is off-screen), though we'd expect to see viewDidChangeBackingProperties before
1583 // it was rendered for real.
1584 // Regardless, attempt to avoid the issue here.
1585 if factor == 0.0 { 2. } else { factor }
1586}
1587
1588unsafe fn get_window_state(object: &Object) -> Arc<Mutex<MacWindowState>> {
1589 unsafe {
1590 let raw: *mut c_void = *object.get_ivar(WINDOW_STATE_IVAR);
1591 let rc1 = Arc::from_raw(raw as *mut Mutex<MacWindowState>);
1592 let rc2 = rc1.clone();
1593 mem::forget(rc1);
1594 rc2
1595 }
1596}
1597
1598unsafe fn drop_window_state(object: &Object) {
1599 unsafe {
1600 let raw: *mut c_void = *object.get_ivar(WINDOW_STATE_IVAR);
1601 Arc::from_raw(raw as *mut Mutex<MacWindowState>);
1602 }
1603}
1604
1605const extern "C" fn yes(_: &Object, _: Sel) -> BOOL {
1606 YES
1607}
1608
1609extern "C" fn dealloc_window(this: &Object, _: Sel) {
1610 unsafe {
1611 drop_window_state(this);
1612 let _: () = msg_send![super(this, class!(NSWindow)), dealloc];
1613 }
1614}
1615
1616extern "C" fn dealloc_view(this: &Object, _: Sel) {
1617 unsafe {
1618 drop_window_state(this);
1619 let _: () = msg_send![super(this, class!(NSView)), dealloc];
1620 }
1621}
1622
1623extern "C" fn handle_key_equivalent(this: &Object, _: Sel, native_event: id) -> BOOL {
1624 handle_key_event(this, native_event, true)
1625}
1626
1627extern "C" fn handle_key_down(this: &Object, _: Sel, native_event: id) {
1628 handle_key_event(this, native_event, false);
1629}
1630
1631extern "C" fn handle_key_up(this: &Object, _: Sel, native_event: id) {
1632 handle_key_event(this, native_event, false);
1633}
1634
1635// Things to test if you're modifying this method:
1636// U.S. layout:
1637// - The IME consumes characters like 'j' and 'k', which makes paging through `less` in
1638// the terminal behave incorrectly by default. This behavior should be patched by our
1639// IME integration
1640// - `alt-t` should open the tasks menu
1641// - In vim mode, this keybinding should work:
1642// ```
1643// {
1644// "context": "Editor && vim_mode == insert",
1645// "bindings": {"j j": "vim::NormalBefore"}
1646// }
1647// ```
1648// and typing 'j k' in insert mode with this keybinding should insert the two characters
1649// Brazilian layout:
1650// - `" space` should create an unmarked quote
1651// - `" backspace` should delete the marked quote
1652// - `" "`should create an unmarked quote and a second marked quote
1653// - `" up` should insert a quote, unmark it, and move up one line
1654// - `" cmd-down` should insert a quote, unmark it, and move to the end of the file
1655// - `cmd-ctrl-space` and clicking on an emoji should type it
1656// Czech (QWERTY) layout:
1657// - in vim mode `option-4` should go to end of line (same as $)
1658// Japanese (Romaji) layout:
1659// - type `a i left down up enter enter` should create an unmarked text "愛"
1660extern "C" fn handle_key_event(this: &Object, native_event: id, key_equivalent: bool) -> BOOL {
1661 let window_state = unsafe { get_window_state(this) };
1662 let mut lock = window_state.as_ref().lock();
1663
1664 let window_height = lock.content_size().height;
1665 let event = unsafe { PlatformInput::from_native(native_event, Some(window_height)) };
1666
1667 let Some(event) = event else {
1668 return NO;
1669 };
1670
1671 let run_callback = |event: PlatformInput| -> BOOL {
1672 let mut callback = window_state.as_ref().lock().event_callback.take();
1673 let handled: BOOL = if let Some(callback) = callback.as_mut() {
1674 !callback(event).propagate as BOOL
1675 } else {
1676 NO
1677 };
1678 window_state.as_ref().lock().event_callback = callback;
1679 handled
1680 };
1681
1682 match event {
1683 PlatformInput::KeyDown(mut key_down_event) => {
1684 // For certain keystrokes, macOS will first dispatch a "key equivalent" event.
1685 // If that event isn't handled, it will then dispatch a "key down" event. GPUI
1686 // makes no distinction between these two types of events, so we need to ignore
1687 // the "key down" event if we've already just processed its "key equivalent" version.
1688 if key_equivalent {
1689 lock.last_key_equivalent = Some(key_down_event.clone());
1690 } else if lock.last_key_equivalent.take().as_ref() == Some(&key_down_event) {
1691 return NO;
1692 }
1693
1694 drop(lock);
1695
1696 let is_composing =
1697 with_input_handler(this, |input_handler| input_handler.marked_text_range())
1698 .flatten()
1699 .is_some();
1700
1701 // If we're composing, send the key to the input handler first;
1702 // otherwise we only send to the input handler if we don't have a matching binding.
1703 // The input handler may call `do_command_by_selector` if it doesn't know how to handle
1704 // a key. If it does so, it will return YES so we won't send the key twice.
1705 // We also do this for non-printing keys (like arrow keys and escape) as the IME menu
1706 // may need them even if there is no marked text;
1707 // however we skip keys with control or the input handler adds control-characters to the buffer.
1708 // and keys with function, as the input handler swallows them.
1709 if is_composing
1710 || (key_down_event.keystroke.key_char.is_none()
1711 && !key_down_event.keystroke.modifiers.control
1712 && !key_down_event.keystroke.modifiers.function)
1713 {
1714 {
1715 let mut lock = window_state.as_ref().lock();
1716 lock.keystroke_for_do_command = Some(key_down_event.keystroke.clone());
1717 lock.do_command_handled.take();
1718 drop(lock);
1719 }
1720
1721 let handled: BOOL = unsafe {
1722 let input_context: id = msg_send![this, inputContext];
1723 msg_send![input_context, handleEvent: native_event]
1724 };
1725 window_state.as_ref().lock().keystroke_for_do_command.take();
1726 if let Some(handled) = window_state.as_ref().lock().do_command_handled.take() {
1727 return handled as BOOL;
1728 } else if handled == YES {
1729 return YES;
1730 }
1731
1732 let handled = run_callback(PlatformInput::KeyDown(key_down_event));
1733 return handled;
1734 }
1735
1736 let handled = run_callback(PlatformInput::KeyDown(key_down_event.clone()));
1737 if handled == YES {
1738 return YES;
1739 }
1740
1741 if key_down_event.is_held
1742 && let Some(key_char) = key_down_event.keystroke.key_char.as_ref()
1743 {
1744 let handled = with_input_handler(this, |input_handler| {
1745 if !input_handler.apple_press_and_hold_enabled() {
1746 input_handler.replace_text_in_range(None, key_char);
1747 return YES;
1748 }
1749 NO
1750 });
1751 if handled == Some(YES) {
1752 return YES;
1753 }
1754 }
1755
1756 // Don't send key equivalents to the input handler,
1757 // or macOS shortcuts like cmd-` will stop working.
1758 if key_equivalent {
1759 return NO;
1760 }
1761
1762 unsafe {
1763 let input_context: id = msg_send![this, inputContext];
1764 msg_send![input_context, handleEvent: native_event]
1765 }
1766 }
1767
1768 PlatformInput::KeyUp(_) => {
1769 drop(lock);
1770 run_callback(event)
1771 }
1772
1773 _ => NO,
1774 }
1775}
1776
1777extern "C" fn handle_view_event(this: &Object, _: Sel, native_event: id) {
1778 let window_state = unsafe { get_window_state(this) };
1779 let weak_window_state = Arc::downgrade(&window_state);
1780 let mut lock = window_state.as_ref().lock();
1781 let window_height = lock.content_size().height;
1782 let event = unsafe { PlatformInput::from_native(native_event, Some(window_height)) };
1783
1784 if let Some(mut event) = event {
1785 match &mut event {
1786 PlatformInput::MouseDown(
1787 event @ MouseDownEvent {
1788 button: MouseButton::Left,
1789 modifiers: Modifiers { control: true, .. },
1790 ..
1791 },
1792 ) => {
1793 // On mac, a ctrl-left click should be handled as a right click.
1794 *event = MouseDownEvent {
1795 button: MouseButton::Right,
1796 modifiers: Modifiers {
1797 control: false,
1798 ..event.modifiers
1799 },
1800 click_count: 1,
1801 ..*event
1802 };
1803 }
1804
1805 // Handles focusing click.
1806 PlatformInput::MouseDown(
1807 event @ MouseDownEvent {
1808 button: MouseButton::Left,
1809 ..
1810 },
1811 ) if (lock.first_mouse) => {
1812 *event = MouseDownEvent {
1813 first_mouse: true,
1814 ..*event
1815 };
1816 lock.first_mouse = false;
1817 }
1818
1819 // Because we map a ctrl-left_down to a right_down -> right_up let's ignore
1820 // the ctrl-left_up to avoid having a mismatch in button down/up events if the
1821 // user is still holding ctrl when releasing the left mouse button
1822 PlatformInput::MouseUp(
1823 event @ MouseUpEvent {
1824 button: MouseButton::Left,
1825 modifiers: Modifiers { control: true, .. },
1826 ..
1827 },
1828 ) => {
1829 *event = MouseUpEvent {
1830 button: MouseButton::Right,
1831 modifiers: Modifiers {
1832 control: false,
1833 ..event.modifiers
1834 },
1835 click_count: 1,
1836 ..*event
1837 };
1838 }
1839
1840 _ => {}
1841 };
1842
1843 match &event {
1844 PlatformInput::MouseDown(_) => {
1845 drop(lock);
1846 unsafe {
1847 let input_context: id = msg_send![this, inputContext];
1848 msg_send![input_context, handleEvent: native_event]
1849 }
1850 lock = window_state.as_ref().lock();
1851 }
1852 PlatformInput::MouseMove(
1853 event @ MouseMoveEvent {
1854 pressed_button: Some(_),
1855 ..
1856 },
1857 ) => {
1858 // Synthetic drag is used for selecting long buffer contents while buffer is being scrolled.
1859 // External file drag and drop is able to emit its own synthetic mouse events which will conflict
1860 // with these ones.
1861 if !lock.external_files_dragged {
1862 lock.synthetic_drag_counter += 1;
1863 let executor = lock.executor.clone();
1864 executor
1865 .spawn(synthetic_drag(
1866 weak_window_state,
1867 lock.synthetic_drag_counter,
1868 event.clone(),
1869 ))
1870 .detach();
1871 }
1872 }
1873
1874 PlatformInput::MouseUp(MouseUpEvent { .. }) => {
1875 lock.synthetic_drag_counter += 1;
1876 }
1877
1878 PlatformInput::ModifiersChanged(ModifiersChangedEvent {
1879 modifiers,
1880 capslock,
1881 }) => {
1882 // Only raise modifiers changed event when they have actually changed
1883 if let Some(PlatformInput::ModifiersChanged(ModifiersChangedEvent {
1884 modifiers: prev_modifiers,
1885 capslock: prev_capslock,
1886 })) = &lock.previous_modifiers_changed_event
1887 && prev_modifiers == modifiers
1888 && prev_capslock == capslock
1889 {
1890 return;
1891 }
1892
1893 lock.previous_modifiers_changed_event = Some(event.clone());
1894 }
1895
1896 _ => {}
1897 }
1898
1899 if let Some(mut callback) = lock.event_callback.take() {
1900 drop(lock);
1901 callback(event);
1902 window_state.lock().event_callback = Some(callback);
1903 }
1904 }
1905}
1906
1907extern "C" fn window_did_change_occlusion_state(this: &Object, _: Sel, _: id) {
1908 let window_state = unsafe { get_window_state(this) };
1909 let lock = &mut *window_state.lock();
1910 unsafe {
1911 if lock
1912 .native_window
1913 .occlusionState()
1914 .contains(NSWindowOcclusionState::NSWindowOcclusionStateVisible)
1915 {
1916 lock.move_traffic_light();
1917 lock.start_display_link();
1918 } else {
1919 lock.stop_display_link();
1920 }
1921 }
1922}
1923
1924extern "C" fn window_did_resize(this: &Object, _: Sel, _: id) {
1925 let window_state = unsafe { get_window_state(this) };
1926 window_state.as_ref().lock().move_traffic_light();
1927}
1928
1929extern "C" fn window_will_enter_fullscreen(this: &Object, _: Sel, _: id) {
1930 let window_state = unsafe { get_window_state(this) };
1931 let mut lock = window_state.as_ref().lock();
1932 lock.fullscreen_restore_bounds = lock.bounds();
1933
1934 let min_version = NSOperatingSystemVersion::new(15, 3, 0);
1935
1936 if is_macos_version_at_least(min_version) {
1937 unsafe {
1938 lock.native_window.setTitlebarAppearsTransparent_(NO);
1939 }
1940 }
1941}
1942
1943extern "C" fn window_will_exit_fullscreen(this: &Object, _: Sel, _: id) {
1944 let window_state = unsafe { get_window_state(this) };
1945 let mut lock = window_state.as_ref().lock();
1946
1947 let min_version = NSOperatingSystemVersion::new(15, 3, 0);
1948
1949 if is_macos_version_at_least(min_version) && lock.transparent_titlebar {
1950 unsafe {
1951 lock.native_window.setTitlebarAppearsTransparent_(YES);
1952 }
1953 }
1954}
1955
1956pub(crate) fn is_macos_version_at_least(version: NSOperatingSystemVersion) -> bool {
1957 unsafe { NSProcessInfo::processInfo(nil).isOperatingSystemAtLeastVersion(version) }
1958}
1959
1960extern "C" fn window_did_move(this: &Object, _: Sel, _: id) {
1961 let window_state = unsafe { get_window_state(this) };
1962 let mut lock = window_state.as_ref().lock();
1963 if let Some(mut callback) = lock.moved_callback.take() {
1964 drop(lock);
1965 callback();
1966 window_state.lock().moved_callback = Some(callback);
1967 }
1968}
1969
1970extern "C" fn window_did_change_screen(this: &Object, _: Sel, _: id) {
1971 let window_state = unsafe { get_window_state(this) };
1972 let mut lock = window_state.as_ref().lock();
1973 lock.start_display_link();
1974}
1975
1976extern "C" fn window_did_change_key_status(this: &Object, selector: Sel, _: id) {
1977 let window_state = unsafe { get_window_state(this) };
1978 let mut lock = window_state.lock();
1979 let is_active = unsafe { lock.native_window.isKeyWindow() == YES };
1980
1981 // When opening a pop-up while the application isn't active, Cocoa sends a spurious
1982 // `windowDidBecomeKey` message to the previous key window even though that window
1983 // isn't actually key. This causes a bug if the application is later activated while
1984 // the pop-up is still open, making it impossible to activate the previous key window
1985 // even if the pop-up gets closed. The only way to activate it again is to de-activate
1986 // the app and re-activate it, which is a pretty bad UX.
1987 // The following code detects the spurious event and invokes `resignKeyWindow`:
1988 // in theory, we're not supposed to invoke this method manually but it balances out
1989 // the spurious `becomeKeyWindow` event and helps us work around that bug.
1990 if selector == sel!(windowDidBecomeKey:) && !is_active {
1991 unsafe {
1992 let _: () = msg_send![lock.native_window, resignKeyWindow];
1993 return;
1994 }
1995 }
1996
1997 let executor = lock.executor.clone();
1998 drop(lock);
1999
2000 // When a window becomes active, trigger an immediate synchronous frame request to prevent
2001 // tab flicker when switching between windows in native tabs mode.
2002 //
2003 // This is only done on subsequent activations (not the first) to ensure the initial focus
2004 // path is properly established. Without this guard, the focus state would remain unset until
2005 // the first mouse click, causing keybindings to be non-functional.
2006 if selector == sel!(windowDidBecomeKey:) && is_active {
2007 let window_state = unsafe { get_window_state(this) };
2008 let mut lock = window_state.lock();
2009
2010 if lock.activated_least_once {
2011 if let Some(mut callback) = lock.request_frame_callback.take() {
2012 #[cfg(not(feature = "macos-blade"))]
2013 lock.renderer.set_presents_with_transaction(true);
2014 lock.stop_display_link();
2015 drop(lock);
2016 callback(Default::default());
2017
2018 let mut lock = window_state.lock();
2019 lock.request_frame_callback = Some(callback);
2020 #[cfg(not(feature = "macos-blade"))]
2021 lock.renderer.set_presents_with_transaction(false);
2022 lock.start_display_link();
2023 }
2024 } else {
2025 lock.activated_least_once = true;
2026 }
2027 }
2028
2029 executor
2030 .spawn(async move {
2031 let mut lock = window_state.as_ref().lock();
2032 if is_active {
2033 lock.move_traffic_light();
2034 }
2035
2036 if let Some(mut callback) = lock.activate_callback.take() {
2037 drop(lock);
2038 callback(is_active);
2039 window_state.lock().activate_callback = Some(callback);
2040 };
2041 })
2042 .detach();
2043}
2044
2045extern "C" fn window_should_close(this: &Object, _: Sel, _: id) -> BOOL {
2046 let window_state = unsafe { get_window_state(this) };
2047 let mut lock = window_state.as_ref().lock();
2048 if let Some(mut callback) = lock.should_close_callback.take() {
2049 drop(lock);
2050 let should_close = callback();
2051 window_state.lock().should_close_callback = Some(callback);
2052 should_close as BOOL
2053 } else {
2054 YES
2055 }
2056}
2057
2058extern "C" fn close_window(this: &Object, _: Sel) {
2059 unsafe {
2060 let close_callback = {
2061 let window_state = get_window_state(this);
2062 let mut lock = window_state.as_ref().lock();
2063 lock.close_callback.take()
2064 };
2065
2066 if let Some(callback) = close_callback {
2067 callback();
2068 }
2069
2070 let _: () = msg_send![super(this, class!(NSWindow)), close];
2071 }
2072}
2073
2074extern "C" fn make_backing_layer(this: &Object, _: Sel) -> id {
2075 let window_state = unsafe { get_window_state(this) };
2076 let window_state = window_state.as_ref().lock();
2077 window_state.renderer.layer_ptr() as id
2078}
2079
2080extern "C" fn view_did_change_backing_properties(this: &Object, _: Sel) {
2081 let window_state = unsafe { get_window_state(this) };
2082 let mut lock = window_state.as_ref().lock();
2083
2084 let scale_factor = lock.scale_factor();
2085 let size = lock.content_size();
2086 let drawable_size = size.to_device_pixels(scale_factor);
2087 unsafe {
2088 let _: () = msg_send![
2089 lock.renderer.layer(),
2090 setContentsScale: scale_factor as f64
2091 ];
2092 }
2093
2094 lock.renderer.update_drawable_size(drawable_size);
2095
2096 if let Some(mut callback) = lock.resize_callback.take() {
2097 let content_size = lock.content_size();
2098 let scale_factor = lock.scale_factor();
2099 drop(lock);
2100 callback(content_size, scale_factor);
2101 window_state.as_ref().lock().resize_callback = Some(callback);
2102 };
2103}
2104
2105extern "C" fn set_frame_size(this: &Object, _: Sel, size: NSSize) {
2106 let window_state = unsafe { get_window_state(this) };
2107 let mut lock = window_state.as_ref().lock();
2108
2109 let new_size = Size::<Pixels>::from(size);
2110 let old_size = unsafe {
2111 let old_frame: NSRect = msg_send![this, frame];
2112 Size::<Pixels>::from(old_frame.size)
2113 };
2114
2115 if old_size == new_size {
2116 return;
2117 }
2118
2119 unsafe {
2120 let _: () = msg_send![super(this, class!(NSView)), setFrameSize: size];
2121 }
2122
2123 let scale_factor = lock.scale_factor();
2124 let drawable_size = new_size.to_device_pixels(scale_factor);
2125 lock.renderer.update_drawable_size(drawable_size);
2126
2127 if let Some(mut callback) = lock.resize_callback.take() {
2128 let content_size = lock.content_size();
2129 let scale_factor = lock.scale_factor();
2130 drop(lock);
2131 callback(content_size, scale_factor);
2132 window_state.lock().resize_callback = Some(callback);
2133 };
2134}
2135
2136extern "C" fn display_layer(this: &Object, _: Sel, _: id) {
2137 let window_state = unsafe { get_window_state(this) };
2138 let mut lock = window_state.lock();
2139 if let Some(mut callback) = lock.request_frame_callback.take() {
2140 #[cfg(not(feature = "macos-blade"))]
2141 lock.renderer.set_presents_with_transaction(true);
2142 lock.stop_display_link();
2143 drop(lock);
2144 callback(Default::default());
2145
2146 let mut lock = window_state.lock();
2147 lock.request_frame_callback = Some(callback);
2148 #[cfg(not(feature = "macos-blade"))]
2149 lock.renderer.set_presents_with_transaction(false);
2150 lock.start_display_link();
2151 }
2152}
2153
2154unsafe extern "C" fn step(view: *mut c_void) {
2155 let view = view as id;
2156 let window_state = unsafe { get_window_state(&*view) };
2157 let mut lock = window_state.lock();
2158
2159 if let Some(mut callback) = lock.request_frame_callback.take() {
2160 drop(lock);
2161 callback(Default::default());
2162 window_state.lock().request_frame_callback = Some(callback);
2163 }
2164}
2165
2166extern "C" fn valid_attributes_for_marked_text(_: &Object, _: Sel) -> id {
2167 unsafe { msg_send![class!(NSArray), array] }
2168}
2169
2170extern "C" fn has_marked_text(this: &Object, _: Sel) -> BOOL {
2171 let has_marked_text_result =
2172 with_input_handler(this, |input_handler| input_handler.marked_text_range()).flatten();
2173
2174 has_marked_text_result.is_some() as BOOL
2175}
2176
2177extern "C" fn marked_range(this: &Object, _: Sel) -> NSRange {
2178 let marked_range_result =
2179 with_input_handler(this, |input_handler| input_handler.marked_text_range()).flatten();
2180
2181 marked_range_result.map_or(NSRange::invalid(), |range| range.into())
2182}
2183
2184extern "C" fn selected_range(this: &Object, _: Sel) -> NSRange {
2185 let selected_range_result = with_input_handler(this, |input_handler| {
2186 input_handler.selected_text_range(false)
2187 })
2188 .flatten();
2189
2190 selected_range_result.map_or(NSRange::invalid(), |selection| selection.range.into())
2191}
2192
2193extern "C" fn first_rect_for_character_range(
2194 this: &Object,
2195 _: Sel,
2196 range: NSRange,
2197 _: id,
2198) -> NSRect {
2199 let frame = get_frame(this);
2200 with_input_handler(this, |input_handler| {
2201 input_handler.bounds_for_range(range.to_range()?)
2202 })
2203 .flatten()
2204 .map_or(
2205 NSRect::new(NSPoint::new(0., 0.), NSSize::new(0., 0.)),
2206 |bounds| {
2207 NSRect::new(
2208 NSPoint::new(
2209 frame.origin.x + bounds.origin.x.0 as f64,
2210 frame.origin.y + frame.size.height
2211 - bounds.origin.y.0 as f64
2212 - bounds.size.height.0 as f64,
2213 ),
2214 NSSize::new(bounds.size.width.0 as f64, bounds.size.height.0 as f64),
2215 )
2216 },
2217 )
2218}
2219
2220fn get_frame(this: &Object) -> NSRect {
2221 unsafe {
2222 let state = get_window_state(this);
2223 let lock = state.lock();
2224 let mut frame = NSWindow::frame(lock.native_window);
2225 let content_layout_rect: CGRect = msg_send![lock.native_window, contentLayoutRect];
2226 let style_mask: NSWindowStyleMask = msg_send![lock.native_window, styleMask];
2227 if !style_mask.contains(NSWindowStyleMask::NSFullSizeContentViewWindowMask) {
2228 frame.origin.y -= frame.size.height - content_layout_rect.size.height;
2229 }
2230 frame
2231 }
2232}
2233
2234extern "C" fn insert_text(this: &Object, _: Sel, text: id, replacement_range: NSRange) {
2235 unsafe {
2236 let is_attributed_string: BOOL =
2237 msg_send![text, isKindOfClass: [class!(NSAttributedString)]];
2238 let text: id = if is_attributed_string == YES {
2239 msg_send![text, string]
2240 } else {
2241 text
2242 };
2243
2244 let text = text.to_str();
2245 let replacement_range = replacement_range.to_range();
2246 with_input_handler(this, |input_handler| {
2247 input_handler.replace_text_in_range(replacement_range, text)
2248 });
2249 }
2250}
2251
2252extern "C" fn set_marked_text(
2253 this: &Object,
2254 _: Sel,
2255 text: id,
2256 selected_range: NSRange,
2257 replacement_range: NSRange,
2258) {
2259 unsafe {
2260 let is_attributed_string: BOOL =
2261 msg_send![text, isKindOfClass: [class!(NSAttributedString)]];
2262 let text: id = if is_attributed_string == YES {
2263 msg_send![text, string]
2264 } else {
2265 text
2266 };
2267 let selected_range = selected_range.to_range();
2268 let replacement_range = replacement_range.to_range();
2269 let text = text.to_str();
2270 with_input_handler(this, |input_handler| {
2271 input_handler.replace_and_mark_text_in_range(replacement_range, text, selected_range)
2272 });
2273 }
2274}
2275extern "C" fn unmark_text(this: &Object, _: Sel) {
2276 with_input_handler(this, |input_handler| input_handler.unmark_text());
2277}
2278
2279extern "C" fn attributed_substring_for_proposed_range(
2280 this: &Object,
2281 _: Sel,
2282 range: NSRange,
2283 actual_range: *mut c_void,
2284) -> id {
2285 with_input_handler(this, |input_handler| {
2286 let range = range.to_range()?;
2287 if range.is_empty() {
2288 return None;
2289 }
2290 let mut adjusted: Option<Range<usize>> = None;
2291
2292 let selected_text = input_handler.text_for_range(range.clone(), &mut adjusted)?;
2293 if let Some(adjusted) = adjusted
2294 && adjusted != range
2295 {
2296 unsafe { (actual_range as *mut NSRange).write(NSRange::from(adjusted)) };
2297 }
2298 unsafe {
2299 let string: id = msg_send![class!(NSAttributedString), alloc];
2300 let string: id = msg_send![string, initWithString: ns_string(&selected_text)];
2301 Some(string)
2302 }
2303 })
2304 .flatten()
2305 .unwrap_or(nil)
2306}
2307
2308// We ignore which selector it asks us to do because the user may have
2309// bound the shortcut to something else.
2310extern "C" fn do_command_by_selector(this: &Object, _: Sel, _: Sel) {
2311 let state = unsafe { get_window_state(this) };
2312 let mut lock = state.as_ref().lock();
2313 let keystroke = lock.keystroke_for_do_command.take();
2314 let mut event_callback = lock.event_callback.take();
2315 drop(lock);
2316
2317 if let Some((keystroke, mut callback)) = keystroke.zip(event_callback.as_mut()) {
2318 let handled = (callback)(PlatformInput::KeyDown(KeyDownEvent {
2319 keystroke,
2320 is_held: false,
2321 }));
2322 state.as_ref().lock().do_command_handled = Some(!handled.propagate);
2323 }
2324
2325 state.as_ref().lock().event_callback = event_callback;
2326}
2327
2328extern "C" fn view_did_change_effective_appearance(this: &Object, _: Sel) {
2329 unsafe {
2330 let state = get_window_state(this);
2331 let mut lock = state.as_ref().lock();
2332 if let Some(mut callback) = lock.appearance_changed_callback.take() {
2333 drop(lock);
2334 callback();
2335 state.lock().appearance_changed_callback = Some(callback);
2336 }
2337 }
2338}
2339
2340extern "C" fn accepts_first_mouse(this: &Object, _: Sel, _: id) -> BOOL {
2341 let window_state = unsafe { get_window_state(this) };
2342 let mut lock = window_state.as_ref().lock();
2343 lock.first_mouse = true;
2344 YES
2345}
2346
2347extern "C" fn character_index_for_point(this: &Object, _: Sel, position: NSPoint) -> u64 {
2348 let position = screen_point_to_gpui_point(this, position);
2349 with_input_handler(this, |input_handler| {
2350 input_handler.character_index_for_point(position)
2351 })
2352 .flatten()
2353 .map(|index| index as u64)
2354 .unwrap_or(NSNotFound as u64)
2355}
2356
2357fn screen_point_to_gpui_point(this: &Object, position: NSPoint) -> Point<Pixels> {
2358 let frame = get_frame(this);
2359 let window_x = position.x - frame.origin.x;
2360 let window_y = frame.size.height - (position.y - frame.origin.y);
2361
2362 point(px(window_x as f32), px(window_y as f32))
2363}
2364
2365extern "C" fn dragging_entered(this: &Object, _: Sel, dragging_info: id) -> NSDragOperation {
2366 let window_state = unsafe { get_window_state(this) };
2367 let position = drag_event_position(&window_state, dragging_info);
2368 let paths = external_paths_from_event(dragging_info);
2369 if let Some(event) =
2370 paths.map(|paths| PlatformInput::FileDrop(FileDropEvent::Entered { position, paths }))
2371 && send_new_event(&window_state, event)
2372 {
2373 window_state.lock().external_files_dragged = true;
2374 return NSDragOperationCopy;
2375 }
2376 NSDragOperationNone
2377}
2378
2379extern "C" fn dragging_updated(this: &Object, _: Sel, dragging_info: id) -> NSDragOperation {
2380 let window_state = unsafe { get_window_state(this) };
2381 let position = drag_event_position(&window_state, dragging_info);
2382 if send_new_event(
2383 &window_state,
2384 PlatformInput::FileDrop(FileDropEvent::Pending { position }),
2385 ) {
2386 NSDragOperationCopy
2387 } else {
2388 NSDragOperationNone
2389 }
2390}
2391
2392extern "C" fn dragging_exited(this: &Object, _: Sel, _: id) {
2393 let window_state = unsafe { get_window_state(this) };
2394 send_new_event(
2395 &window_state,
2396 PlatformInput::FileDrop(FileDropEvent::Exited),
2397 );
2398 window_state.lock().external_files_dragged = false;
2399}
2400
2401extern "C" fn perform_drag_operation(this: &Object, _: Sel, dragging_info: id) -> BOOL {
2402 let window_state = unsafe { get_window_state(this) };
2403 let position = drag_event_position(&window_state, dragging_info);
2404 send_new_event(
2405 &window_state,
2406 PlatformInput::FileDrop(FileDropEvent::Submit { position }),
2407 )
2408 .to_objc()
2409}
2410
2411fn external_paths_from_event(dragging_info: *mut Object) -> Option<ExternalPaths> {
2412 let mut paths = SmallVec::new();
2413 let pasteboard: id = unsafe { msg_send![dragging_info, draggingPasteboard] };
2414 let filenames = unsafe { NSPasteboard::propertyListForType(pasteboard, NSFilenamesPboardType) };
2415 if filenames == nil {
2416 return None;
2417 }
2418 for file in unsafe { filenames.iter() } {
2419 let path = unsafe {
2420 let f = NSString::UTF8String(file);
2421 CStr::from_ptr(f).to_string_lossy().into_owned()
2422 };
2423 paths.push(PathBuf::from(path))
2424 }
2425 Some(ExternalPaths(paths))
2426}
2427
2428extern "C" fn conclude_drag_operation(this: &Object, _: Sel, _: id) {
2429 let window_state = unsafe { get_window_state(this) };
2430 send_new_event(
2431 &window_state,
2432 PlatformInput::FileDrop(FileDropEvent::Exited),
2433 );
2434}
2435
2436async fn synthetic_drag(
2437 window_state: Weak<Mutex<MacWindowState>>,
2438 drag_id: usize,
2439 event: MouseMoveEvent,
2440) {
2441 loop {
2442 Timer::after(Duration::from_millis(16)).await;
2443 if let Some(window_state) = window_state.upgrade() {
2444 let mut lock = window_state.lock();
2445 if lock.synthetic_drag_counter == drag_id {
2446 if let Some(mut callback) = lock.event_callback.take() {
2447 drop(lock);
2448 callback(PlatformInput::MouseMove(event.clone()));
2449 window_state.lock().event_callback = Some(callback);
2450 }
2451 } else {
2452 break;
2453 }
2454 }
2455 }
2456}
2457
2458fn send_new_event(window_state_lock: &Mutex<MacWindowState>, e: PlatformInput) -> bool {
2459 let window_state = window_state_lock.lock().event_callback.take();
2460 if let Some(mut callback) = window_state {
2461 callback(e);
2462 window_state_lock.lock().event_callback = Some(callback);
2463 true
2464 } else {
2465 false
2466 }
2467}
2468
2469fn drag_event_position(window_state: &Mutex<MacWindowState>, dragging_info: id) -> Point<Pixels> {
2470 let drag_location: NSPoint = unsafe { msg_send![dragging_info, draggingLocation] };
2471 convert_mouse_position(drag_location, window_state.lock().content_size().height)
2472}
2473
2474fn with_input_handler<F, R>(window: &Object, f: F) -> Option<R>
2475where
2476 F: FnOnce(&mut PlatformInputHandler) -> R,
2477{
2478 let window_state = unsafe { get_window_state(window) };
2479 let mut lock = window_state.as_ref().lock();
2480 if let Some(mut input_handler) = lock.input_handler.take() {
2481 drop(lock);
2482 let result = f(&mut input_handler);
2483 window_state.lock().input_handler = Some(input_handler);
2484 Some(result)
2485 } else {
2486 None
2487 }
2488}
2489
2490unsafe fn display_id_for_screen(screen: id) -> CGDirectDisplayID {
2491 unsafe {
2492 let device_description = NSScreen::deviceDescription(screen);
2493 let screen_number_key: id = NSString::alloc(nil).init_str("NSScreenNumber");
2494 let screen_number = device_description.objectForKey_(screen_number_key);
2495 let screen_number: NSUInteger = msg_send![screen_number, unsignedIntegerValue];
2496 screen_number as CGDirectDisplayID
2497 }
2498}
2499
2500extern "C" fn blurred_view_init_with_frame(this: &Object, _: Sel, frame: NSRect) -> id {
2501 unsafe {
2502 let view = msg_send![super(this, class!(NSVisualEffectView)), initWithFrame: frame];
2503 // Use a colorless semantic material. The default value `AppearanceBased`, though not
2504 // manually set, is deprecated.
2505 NSVisualEffectView::setMaterial_(view, NSVisualEffectMaterial::Selection);
2506 NSVisualEffectView::setState_(view, NSVisualEffectState::Active);
2507 view
2508 }
2509}
2510
2511extern "C" fn blurred_view_update_layer(this: &Object, _: Sel) {
2512 unsafe {
2513 let _: () = msg_send![super(this, class!(NSVisualEffectView)), updateLayer];
2514 let layer: id = msg_send![this, layer];
2515 if !layer.is_null() {
2516 remove_layer_background(layer);
2517 }
2518 }
2519}
2520
2521unsafe fn remove_layer_background(layer: id) {
2522 unsafe {
2523 let _: () = msg_send![layer, setBackgroundColor:nil];
2524
2525 let class_name: id = msg_send![layer, className];
2526 if class_name.isEqualToString("CAChameleonLayer") {
2527 // Remove the desktop tinting effect.
2528 let _: () = msg_send![layer, setHidden: YES];
2529 return;
2530 }
2531
2532 let filters: id = msg_send![layer, filters];
2533 if !filters.is_null() {
2534 // Remove the increased saturation.
2535 // The effect of a `CAFilter` or `CIFilter` is determined by its name, and the
2536 // `description` reflects its name and some parameters. Currently `NSVisualEffectView`
2537 // uses a `CAFilter` named "colorSaturate". If one day they switch to `CIFilter`, the
2538 // `description` will still contain "Saturat" ("... inputSaturation = ...").
2539 let test_string: id = NSString::alloc(nil).init_str("Saturat").autorelease();
2540 let count = NSArray::count(filters);
2541 for i in 0..count {
2542 let description: id = msg_send![filters.objectAtIndex(i), description];
2543 let hit: BOOL = msg_send![description, containsString: test_string];
2544 if hit == NO {
2545 continue;
2546 }
2547
2548 let all_indices = NSRange {
2549 location: 0,
2550 length: count,
2551 };
2552 let indices: id = msg_send![class!(NSMutableIndexSet), indexSet];
2553 let _: () = msg_send![indices, addIndexesInRange: all_indices];
2554 let _: () = msg_send![indices, removeIndex:i];
2555 let filtered: id = msg_send![filters, objectsAtIndexes: indices];
2556 let _: () = msg_send![layer, setFilters: filtered];
2557 break;
2558 }
2559 }
2560
2561 let sublayers: id = msg_send![layer, sublayers];
2562 if !sublayers.is_null() {
2563 let count = NSArray::count(sublayers);
2564 for i in 0..count {
2565 let sublayer = sublayers.objectAtIndex(i);
2566 remove_layer_background(sublayer);
2567 }
2568 }
2569 }
2570}
2571
2572extern "C" fn add_titlebar_accessory_view_controller(this: &Object, _: Sel, view_controller: id) {
2573 unsafe {
2574 let _: () = msg_send![super(this, class!(NSWindow)), addTitlebarAccessoryViewController: view_controller];
2575
2576 // Hide the native tab bar and set its height to 0, since we render our own.
2577 let accessory_view: id = msg_send![view_controller, view];
2578 let _: () = msg_send![accessory_view, setHidden: YES];
2579 let mut frame: NSRect = msg_send![accessory_view, frame];
2580 frame.size.height = 0.0;
2581 let _: () = msg_send![accessory_view, setFrame: frame];
2582 }
2583}
2584
2585extern "C" fn move_tab_to_new_window(this: &Object, _: Sel, _: id) {
2586 unsafe {
2587 let _: () = msg_send![super(this, class!(NSWindow)), moveTabToNewWindow:nil];
2588
2589 let window_state = get_window_state(this);
2590 let mut lock = window_state.as_ref().lock();
2591 if let Some(mut callback) = lock.move_tab_to_new_window_callback.take() {
2592 drop(lock);
2593 callback();
2594 window_state.lock().move_tab_to_new_window_callback = Some(callback);
2595 }
2596 }
2597}
2598
2599extern "C" fn merge_all_windows(this: &Object, _: Sel, _: id) {
2600 unsafe {
2601 let _: () = msg_send![super(this, class!(NSWindow)), mergeAllWindows:nil];
2602
2603 let window_state = get_window_state(this);
2604 let mut lock = window_state.as_ref().lock();
2605 if let Some(mut callback) = lock.merge_all_windows_callback.take() {
2606 drop(lock);
2607 callback();
2608 window_state.lock().merge_all_windows_callback = Some(callback);
2609 }
2610 }
2611}
2612
2613extern "C" fn select_next_tab(this: &Object, _sel: Sel, _id: id) {
2614 let window_state = unsafe { get_window_state(this) };
2615 let mut lock = window_state.as_ref().lock();
2616 if let Some(mut callback) = lock.select_next_tab_callback.take() {
2617 drop(lock);
2618 callback();
2619 window_state.lock().select_next_tab_callback = Some(callback);
2620 }
2621}
2622
2623extern "C" fn select_previous_tab(this: &Object, _sel: Sel, _id: id) {
2624 let window_state = unsafe { get_window_state(this) };
2625 let mut lock = window_state.as_ref().lock();
2626 if let Some(mut callback) = lock.select_previous_tab_callback.take() {
2627 drop(lock);
2628 callback();
2629 window_state.lock().select_previous_tab_callback = Some(callback);
2630 }
2631}
2632
2633extern "C" fn toggle_tab_bar(this: &Object, _sel: Sel, _id: id) {
2634 unsafe {
2635 let _: () = msg_send![super(this, class!(NSWindow)), toggleTabBar:nil];
2636
2637 let window_state = get_window_state(this);
2638 let mut lock = window_state.as_ref().lock();
2639 lock.move_traffic_light();
2640
2641 if let Some(mut callback) = lock.toggle_tab_bar_callback.take() {
2642 drop(lock);
2643 callback();
2644 window_state.lock().toggle_tab_bar_callback = Some(callback);
2645 }
2646 }
2647}