1// todo(linux): remove
2#![cfg_attr(target_os = "linux", allow(dead_code))]
3// todo(windows): remove
4#![cfg_attr(windows, allow(dead_code))]
5
6mod app_menu;
7mod keystroke;
8
9#[cfg(not(target_os = "macos"))]
10mod cosmic_text;
11
12#[cfg(target_os = "linux")]
13mod linux;
14
15#[cfg(target_os = "macos")]
16mod mac;
17
18#[cfg(any(target_os = "linux", target_os = "windows", feature = "macos-blade"))]
19mod blade;
20
21#[cfg(any(test, feature = "test-support"))]
22mod test;
23
24#[cfg(target_os = "windows")]
25mod windows;
26
27use crate::{
28 Action, AnyWindowHandle, AsyncWindowContext, BackgroundExecutor, Bounds, DevicePixels,
29 DispatchEventResult, Font, FontId, FontMetrics, FontRun, ForegroundExecutor, GlyphId, Keymap,
30 LineLayout, Pixels, PlatformInput, Point, RenderGlyphParams, RenderImageParams,
31 RenderSvgParams, Scene, SharedString, Size, Task, TaskLabel, WindowContext,
32};
33use anyhow::Result;
34use async_task::Runnable;
35use futures::channel::oneshot;
36use parking::Unparker;
37use raw_window_handle::{HasDisplayHandle, HasWindowHandle};
38use seahash::SeaHasher;
39use serde::{Deserialize, Serialize};
40use std::borrow::Cow;
41use std::hash::{Hash, Hasher};
42use std::time::Duration;
43use std::{
44 fmt::{self, Debug},
45 ops::Range,
46 path::{Path, PathBuf},
47 rc::Rc,
48 sync::Arc,
49};
50use uuid::Uuid;
51
52pub use app_menu::*;
53pub use keystroke::*;
54
55#[cfg(not(target_os = "macos"))]
56pub(crate) use cosmic_text::*;
57#[cfg(target_os = "linux")]
58pub(crate) use linux::*;
59#[cfg(target_os = "macos")]
60pub(crate) use mac::*;
61pub use semantic_version::SemanticVersion;
62#[cfg(any(test, feature = "test-support"))]
63pub(crate) use test::*;
64use time::UtcOffset;
65#[cfg(target_os = "windows")]
66pub(crate) use windows::*;
67
68#[cfg(target_os = "macos")]
69pub(crate) fn current_platform() -> Rc<dyn Platform> {
70 Rc::new(MacPlatform::new())
71}
72#[cfg(target_os = "linux")]
73pub(crate) fn current_platform() -> Rc<dyn Platform> {
74 let wayland_display = std::env::var_os("WAYLAND_DISPLAY");
75 let x11_display = std::env::var_os("DISPLAY");
76
77 let use_wayland = wayland_display.is_some_and(|display| !display.is_empty());
78 let use_x11 = x11_display.is_some_and(|display| !display.is_empty());
79
80 if use_wayland {
81 Rc::new(WaylandClient::new())
82 } else if use_x11 {
83 Rc::new(X11Client::new())
84 } else {
85 Rc::new(HeadlessClient::new())
86 }
87}
88// todo("windows")
89#[cfg(target_os = "windows")]
90pub(crate) fn current_platform() -> Rc<dyn Platform> {
91 Rc::new(WindowsPlatform::new())
92}
93
94pub(crate) trait Platform: 'static {
95 fn background_executor(&self) -> BackgroundExecutor;
96 fn foreground_executor(&self) -> ForegroundExecutor;
97 fn text_system(&self) -> Arc<dyn PlatformTextSystem>;
98
99 fn run(&self, on_finish_launching: Box<dyn 'static + FnOnce()>);
100 fn quit(&self);
101 fn restart(&self);
102 fn activate(&self, ignoring_other_apps: bool);
103 fn hide(&self);
104 fn hide_other_apps(&self);
105 fn unhide_other_apps(&self);
106
107 fn displays(&self) -> Vec<Rc<dyn PlatformDisplay>>;
108 fn primary_display(&self) -> Option<Rc<dyn PlatformDisplay>>;
109 fn active_window(&self) -> Option<AnyWindowHandle>;
110 fn open_window(
111 &self,
112 handle: AnyWindowHandle,
113 options: WindowParams,
114 ) -> Box<dyn PlatformWindow>;
115
116 /// Returns the appearance of the application's windows.
117 fn window_appearance(&self) -> WindowAppearance;
118
119 fn open_url(&self, url: &str);
120 fn on_open_urls(&self, callback: Box<dyn FnMut(Vec<String>)>);
121 fn register_url_scheme(&self, url: &str) -> Task<Result<()>>;
122
123 fn prompt_for_paths(
124 &self,
125 options: PathPromptOptions,
126 ) -> oneshot::Receiver<Option<Vec<PathBuf>>>;
127 fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>>;
128 fn reveal_path(&self, path: &Path);
129
130 fn on_quit(&self, callback: Box<dyn FnMut()>);
131 fn on_reopen(&self, callback: Box<dyn FnMut()>);
132
133 fn set_menus(&self, menus: Vec<Menu>, keymap: &Keymap);
134 fn add_recent_document(&self, _path: &Path) {}
135 fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>);
136 fn on_will_open_app_menu(&self, callback: Box<dyn FnMut()>);
137 fn on_validate_app_menu_command(&self, callback: Box<dyn FnMut(&dyn Action) -> bool>);
138
139 fn os_name(&self) -> &'static str;
140 fn os_version(&self) -> Result<SemanticVersion>;
141 fn app_version(&self) -> Result<SemanticVersion>;
142 fn app_path(&self) -> Result<PathBuf>;
143 fn local_timezone(&self) -> UtcOffset;
144 fn path_for_auxiliary_executable(&self, name: &str) -> Result<PathBuf>;
145
146 fn set_cursor_style(&self, style: CursorStyle);
147 fn should_auto_hide_scrollbars(&self) -> bool;
148
149 fn write_to_primary(&self, item: ClipboardItem);
150 fn write_to_clipboard(&self, item: ClipboardItem);
151 fn read_from_primary(&self) -> Option<ClipboardItem>;
152 fn read_from_clipboard(&self) -> Option<ClipboardItem>;
153
154 fn write_credentials(&self, url: &str, username: &str, password: &[u8]) -> Task<Result<()>>;
155 fn read_credentials(&self, url: &str) -> Task<Result<Option<(String, Vec<u8>)>>>;
156 fn delete_credentials(&self, url: &str) -> Task<Result<()>>;
157}
158
159/// A handle to a platform's display, e.g. a monitor or laptop screen.
160pub trait PlatformDisplay: Send + Sync + Debug {
161 /// Get the ID for this display
162 fn id(&self) -> DisplayId;
163
164 /// Returns a stable identifier for this display that can be persisted and used
165 /// across system restarts.
166 fn uuid(&self) -> Result<Uuid>;
167
168 /// Get the bounds for this display
169 fn bounds(&self) -> Bounds<DevicePixels>;
170}
171
172/// An opaque identifier for a hardware display
173#[derive(PartialEq, Eq, Hash, Copy, Clone)]
174pub struct DisplayId(pub(crate) u32);
175
176impl Debug for DisplayId {
177 fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
178 write!(f, "DisplayId({})", self.0)
179 }
180}
181
182unsafe impl Send for DisplayId {}
183
184pub(crate) trait PlatformWindow: HasWindowHandle + HasDisplayHandle {
185 fn bounds(&self) -> Bounds<DevicePixels>;
186 fn is_maximized(&self) -> bool;
187 fn is_minimized(&self) -> bool;
188 fn content_size(&self) -> Size<Pixels>;
189 fn scale_factor(&self) -> f32;
190 fn appearance(&self) -> WindowAppearance;
191 fn display(&self) -> Rc<dyn PlatformDisplay>;
192 fn mouse_position(&self) -> Point<Pixels>;
193 fn modifiers(&self) -> Modifiers;
194 fn set_input_handler(&mut self, input_handler: PlatformInputHandler);
195 fn take_input_handler(&mut self) -> Option<PlatformInputHandler>;
196 fn prompt(
197 &self,
198 level: PromptLevel,
199 msg: &str,
200 detail: Option<&str>,
201 answers: &[&str],
202 ) -> Option<oneshot::Receiver<usize>>;
203 fn activate(&self);
204 fn is_active(&self) -> bool;
205 fn set_title(&mut self, title: &str);
206 fn set_app_id(&mut self, app_id: &str);
207 fn set_background_appearance(&mut self, background_appearance: WindowBackgroundAppearance);
208 fn set_edited(&mut self, edited: bool);
209 fn show_character_palette(&self);
210 fn minimize(&self);
211 fn zoom(&self);
212 fn toggle_fullscreen(&self);
213 fn is_fullscreen(&self) -> bool;
214 fn on_request_frame(&self, callback: Box<dyn FnMut()>);
215 fn on_input(&self, callback: Box<dyn FnMut(PlatformInput) -> DispatchEventResult>);
216 fn on_active_status_change(&self, callback: Box<dyn FnMut(bool)>);
217 fn on_resize(&self, callback: Box<dyn FnMut(Size<Pixels>, f32)>);
218 fn on_moved(&self, callback: Box<dyn FnMut()>);
219 fn on_should_close(&self, callback: Box<dyn FnMut() -> bool>);
220 fn on_close(&self, callback: Box<dyn FnOnce()>);
221 fn on_appearance_changed(&self, callback: Box<dyn FnMut()>);
222 fn draw(&self, scene: &Scene);
223 fn completed_frame(&self) {}
224 fn sprite_atlas(&self) -> Arc<dyn PlatformAtlas>;
225
226 #[cfg(target_os = "windows")]
227 fn get_raw_handle(&self) -> windows::HWND;
228
229 #[cfg(any(test, feature = "test-support"))]
230 fn as_test(&mut self) -> Option<&mut TestWindow> {
231 None
232 }
233}
234
235/// This type is public so that our test macro can generate and use it, but it should not
236/// be considered part of our public API.
237#[doc(hidden)]
238pub trait PlatformDispatcher: Send + Sync {
239 fn is_main_thread(&self) -> bool;
240 fn dispatch(&self, runnable: Runnable, label: Option<TaskLabel>);
241 fn dispatch_on_main_thread(&self, runnable: Runnable);
242 fn dispatch_after(&self, duration: Duration, runnable: Runnable);
243 fn tick(&self, background_only: bool) -> bool;
244 fn park(&self);
245 fn unparker(&self) -> Unparker;
246
247 #[cfg(any(test, feature = "test-support"))]
248 fn as_test(&self) -> Option<&TestDispatcher> {
249 None
250 }
251}
252
253pub(crate) trait PlatformTextSystem: Send + Sync {
254 fn add_fonts(&self, fonts: Vec<Cow<'static, [u8]>>) -> Result<()>;
255 fn all_font_names(&self) -> Vec<String>;
256 fn all_font_families(&self) -> Vec<String>;
257 fn font_id(&self, descriptor: &Font) -> Result<FontId>;
258 fn font_metrics(&self, font_id: FontId) -> FontMetrics;
259 fn typographic_bounds(&self, font_id: FontId, glyph_id: GlyphId) -> Result<Bounds<f32>>;
260 fn advance(&self, font_id: FontId, glyph_id: GlyphId) -> Result<Size<f32>>;
261 fn glyph_for_char(&self, font_id: FontId, ch: char) -> Option<GlyphId>;
262 fn glyph_raster_bounds(&self, params: &RenderGlyphParams) -> Result<Bounds<DevicePixels>>;
263 fn rasterize_glyph(
264 &self,
265 params: &RenderGlyphParams,
266 raster_bounds: Bounds<DevicePixels>,
267 ) -> Result<(Size<DevicePixels>, Vec<u8>)>;
268 fn layout_line(&self, text: &str, font_size: Pixels, runs: &[FontRun]) -> LineLayout;
269}
270
271/// Basic metadata about the current application and operating system.
272#[derive(Clone, Debug)]
273pub struct AppMetadata {
274 /// The name of the current operating system
275 pub os_name: &'static str,
276
277 /// The operating system's version
278 pub os_version: Option<SemanticVersion>,
279
280 /// The current version of the application
281 pub app_version: Option<SemanticVersion>,
282}
283
284#[derive(PartialEq, Eq, Hash, Clone)]
285pub(crate) enum AtlasKey {
286 Glyph(RenderGlyphParams),
287 Svg(RenderSvgParams),
288 Image(RenderImageParams),
289}
290
291impl AtlasKey {
292 pub(crate) fn texture_kind(&self) -> AtlasTextureKind {
293 match self {
294 AtlasKey::Glyph(params) => {
295 if params.is_emoji {
296 AtlasTextureKind::Polychrome
297 } else {
298 AtlasTextureKind::Monochrome
299 }
300 }
301 AtlasKey::Svg(_) => AtlasTextureKind::Monochrome,
302 AtlasKey::Image(_) => AtlasTextureKind::Polychrome,
303 }
304 }
305}
306
307impl From<RenderGlyphParams> for AtlasKey {
308 fn from(params: RenderGlyphParams) -> Self {
309 Self::Glyph(params)
310 }
311}
312
313impl From<RenderSvgParams> for AtlasKey {
314 fn from(params: RenderSvgParams) -> Self {
315 Self::Svg(params)
316 }
317}
318
319impl From<RenderImageParams> for AtlasKey {
320 fn from(params: RenderImageParams) -> Self {
321 Self::Image(params)
322 }
323}
324
325pub(crate) trait PlatformAtlas: Send + Sync {
326 fn get_or_insert_with<'a>(
327 &self,
328 key: &AtlasKey,
329 build: &mut dyn FnMut() -> Result<(Size<DevicePixels>, Cow<'a, [u8]>)>,
330 ) -> Result<AtlasTile>;
331}
332
333#[derive(Clone, Debug, PartialEq, Eq)]
334#[repr(C)]
335pub(crate) struct AtlasTile {
336 pub(crate) texture_id: AtlasTextureId,
337 pub(crate) tile_id: TileId,
338 pub(crate) padding: u32,
339 pub(crate) bounds: Bounds<DevicePixels>,
340}
341
342#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
343#[repr(C)]
344pub(crate) struct AtlasTextureId {
345 // We use u32 instead of usize for Metal Shader Language compatibility
346 pub(crate) index: u32,
347 pub(crate) kind: AtlasTextureKind,
348}
349
350#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
351#[repr(C)]
352pub(crate) enum AtlasTextureKind {
353 Monochrome = 0,
354 Polychrome = 1,
355 Path = 2,
356}
357
358#[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
359#[repr(C)]
360pub(crate) struct TileId(pub(crate) u32);
361
362impl From<etagere::AllocId> for TileId {
363 fn from(id: etagere::AllocId) -> Self {
364 Self(id.serialize())
365 }
366}
367
368impl From<TileId> for etagere::AllocId {
369 fn from(id: TileId) -> Self {
370 Self::deserialize(id.0)
371 }
372}
373
374pub(crate) struct PlatformInputHandler {
375 cx: AsyncWindowContext,
376 handler: Box<dyn InputHandler>,
377}
378
379impl PlatformInputHandler {
380 pub fn new(cx: AsyncWindowContext, handler: Box<dyn InputHandler>) -> Self {
381 Self { cx, handler }
382 }
383
384 fn selected_text_range(&mut self) -> Option<Range<usize>> {
385 self.cx
386 .update(|cx| self.handler.selected_text_range(cx))
387 .ok()
388 .flatten()
389 }
390
391 fn marked_text_range(&mut self) -> Option<Range<usize>> {
392 self.cx
393 .update(|cx| self.handler.marked_text_range(cx))
394 .ok()
395 .flatten()
396 }
397
398 fn text_for_range(&mut self, range_utf16: Range<usize>) -> Option<String> {
399 self.cx
400 .update(|cx| self.handler.text_for_range(range_utf16, cx))
401 .ok()
402 .flatten()
403 }
404
405 fn replace_text_in_range(&mut self, replacement_range: Option<Range<usize>>, text: &str) {
406 self.cx
407 .update(|cx| {
408 self.handler
409 .replace_text_in_range(replacement_range, text, cx);
410 })
411 .ok();
412 }
413
414 fn replace_and_mark_text_in_range(
415 &mut self,
416 range_utf16: Option<Range<usize>>,
417 new_text: &str,
418 new_selected_range: Option<Range<usize>>,
419 ) {
420 self.cx
421 .update(|cx| {
422 self.handler.replace_and_mark_text_in_range(
423 range_utf16,
424 new_text,
425 new_selected_range,
426 cx,
427 )
428 })
429 .ok();
430 }
431
432 fn unmark_text(&mut self) {
433 self.cx.update(|cx| self.handler.unmark_text(cx)).ok();
434 }
435
436 fn bounds_for_range(&mut self, range_utf16: Range<usize>) -> Option<Bounds<Pixels>> {
437 self.cx
438 .update(|cx| self.handler.bounds_for_range(range_utf16, cx))
439 .ok()
440 .flatten()
441 }
442
443 pub(crate) fn dispatch_input(&mut self, input: &str, cx: &mut WindowContext) {
444 self.handler.replace_text_in_range(None, input, cx);
445 }
446}
447
448/// Zed's interface for handling text input from the platform's IME system
449/// This is currently a 1:1 exposure of the NSTextInputClient API:
450///
451/// <https://developer.apple.com/documentation/appkit/nstextinputclient>
452pub trait InputHandler: 'static {
453 /// Get the range of the user's currently selected text, if any
454 /// Corresponds to [selectedRange()](https://developer.apple.com/documentation/appkit/nstextinputclient/1438242-selectedrange)
455 ///
456 /// Return value is in terms of UTF-16 characters, from 0 to the length of the document
457 fn selected_text_range(&mut self, cx: &mut WindowContext) -> Option<Range<usize>>;
458
459 /// Get the range of the currently marked text, if any
460 /// Corresponds to [markedRange()](https://developer.apple.com/documentation/appkit/nstextinputclient/1438250-markedrange)
461 ///
462 /// Return value is in terms of UTF-16 characters, from 0 to the length of the document
463 fn marked_text_range(&mut self, cx: &mut WindowContext) -> Option<Range<usize>>;
464
465 /// Get the text for the given document range in UTF-16 characters
466 /// Corresponds to [attributedSubstring(forProposedRange: actualRange:)](https://developer.apple.com/documentation/appkit/nstextinputclient/1438238-attributedsubstring)
467 ///
468 /// range_utf16 is in terms of UTF-16 characters
469 fn text_for_range(
470 &mut self,
471 range_utf16: Range<usize>,
472 cx: &mut WindowContext,
473 ) -> Option<String>;
474
475 /// Replace the text in the given document range with the given text
476 /// Corresponds to [insertText(_:replacementRange:)](https://developer.apple.com/documentation/appkit/nstextinputclient/1438258-inserttext)
477 ///
478 /// replacement_range is in terms of UTF-16 characters
479 fn replace_text_in_range(
480 &mut self,
481 replacement_range: Option<Range<usize>>,
482 text: &str,
483 cx: &mut WindowContext,
484 );
485
486 /// Replace the text in the given document range with the given text,
487 /// and mark the given text as part of of an IME 'composing' state
488 /// Corresponds to [setMarkedText(_:selectedRange:replacementRange:)](https://developer.apple.com/documentation/appkit/nstextinputclient/1438246-setmarkedtext)
489 ///
490 /// range_utf16 is in terms of UTF-16 characters
491 /// new_selected_range is in terms of UTF-16 characters
492 fn replace_and_mark_text_in_range(
493 &mut self,
494 range_utf16: Option<Range<usize>>,
495 new_text: &str,
496 new_selected_range: Option<Range<usize>>,
497 cx: &mut WindowContext,
498 );
499
500 /// Remove the IME 'composing' state from the document
501 /// Corresponds to [unmarkText()](https://developer.apple.com/documentation/appkit/nstextinputclient/1438239-unmarktext)
502 fn unmark_text(&mut self, cx: &mut WindowContext);
503
504 /// Get the bounds of the given document range in screen coordinates
505 /// Corresponds to [firstRect(forCharacterRange:actualRange:)](https://developer.apple.com/documentation/appkit/nstextinputclient/1438240-firstrect)
506 ///
507 /// This is used for positioning the IME candidate window
508 fn bounds_for_range(
509 &mut self,
510 range_utf16: Range<usize>,
511 cx: &mut WindowContext,
512 ) -> Option<Bounds<Pixels>>;
513}
514
515/// The variables that can be configured when creating a new window
516#[derive(Debug)]
517pub struct WindowOptions {
518 /// The bounds of the window in screen coordinates.
519 /// None -> inherit, Some(bounds) -> set bounds
520 pub bounds: Option<Bounds<DevicePixels>>,
521
522 /// The titlebar configuration of the window
523 pub titlebar: Option<TitlebarOptions>,
524
525 /// Whether the window should be focused when created
526 pub focus: bool,
527
528 /// Whether the window should be shown when created
529 pub show: bool,
530
531 /// Whether the window should be fullscreen when created
532 pub fullscreen: bool,
533
534 /// The kind of window to create
535 pub kind: WindowKind,
536
537 /// Whether the window should be movable by the user
538 pub is_movable: bool,
539
540 /// The display to create the window on, if this is None,
541 /// the window will be created on the main display
542 pub display_id: Option<DisplayId>,
543
544 /// The appearance of the window background.
545 pub window_background: WindowBackgroundAppearance,
546
547 /// Application identifier of the window. Can by used by desktop environments to group applications together.
548 pub app_id: Option<String>,
549}
550
551/// The variables that can be configured when creating a new window
552#[derive(Debug)]
553pub(crate) struct WindowParams {
554 pub bounds: Bounds<DevicePixels>,
555
556 /// The titlebar configuration of the window
557 pub titlebar: Option<TitlebarOptions>,
558
559 /// The kind of window to create
560 pub kind: WindowKind,
561
562 /// Whether the window should be movable by the user
563 pub is_movable: bool,
564
565 pub focus: bool,
566
567 pub show: bool,
568
569 pub display_id: Option<DisplayId>,
570
571 pub window_background: WindowBackgroundAppearance,
572}
573
574impl Default for WindowOptions {
575 fn default() -> Self {
576 Self {
577 bounds: None,
578 titlebar: Some(TitlebarOptions {
579 title: Default::default(),
580 appears_transparent: Default::default(),
581 traffic_light_position: Default::default(),
582 }),
583 focus: true,
584 show: true,
585 kind: WindowKind::Normal,
586 is_movable: true,
587 display_id: None,
588 fullscreen: false,
589 window_background: WindowBackgroundAppearance::default(),
590 app_id: None,
591 }
592 }
593}
594
595/// The options that can be configured for a window's titlebar
596#[derive(Debug, Default)]
597pub struct TitlebarOptions {
598 /// The initial title of the window
599 pub title: Option<SharedString>,
600
601 /// Whether the titlebar should appear transparent
602 pub appears_transparent: bool,
603
604 /// The position of the macOS traffic light buttons
605 pub traffic_light_position: Option<Point<Pixels>>,
606}
607
608/// The kind of window to create
609#[derive(Copy, Clone, Debug, PartialEq, Eq)]
610pub enum WindowKind {
611 /// A normal application window
612 Normal,
613
614 /// A window that appears above all other windows, usually used for alerts or popups
615 /// use sparingly!
616 PopUp,
617}
618
619/// The appearance of the window, as defined by the operating system.
620///
621/// On macOS, this corresponds to named [`NSAppearance`](https://developer.apple.com/documentation/appkit/nsappearance)
622/// values.
623#[derive(Copy, Clone, Debug)]
624pub enum WindowAppearance {
625 /// A light appearance.
626 ///
627 /// On macOS, this corresponds to the `aqua` appearance.
628 Light,
629
630 /// A light appearance with vibrant colors.
631 ///
632 /// On macOS, this corresponds to the `NSAppearanceNameVibrantLight` appearance.
633 VibrantLight,
634
635 /// A dark appearance.
636 ///
637 /// On macOS, this corresponds to the `darkAqua` appearance.
638 Dark,
639
640 /// A dark appearance with vibrant colors.
641 ///
642 /// On macOS, this corresponds to the `NSAppearanceNameVibrantDark` appearance.
643 VibrantDark,
644}
645
646impl Default for WindowAppearance {
647 fn default() -> Self {
648 Self::Light
649 }
650}
651
652/// The appearance of the background of the window itself, when there is
653/// no content or the content is transparent.
654#[derive(Copy, Clone, Debug, Default, PartialEq)]
655pub enum WindowBackgroundAppearance {
656 /// Opaque.
657 ///
658 /// This lets the window manager know that content behind this
659 /// window does not need to be drawn.
660 ///
661 /// Actual color depends on the system and themes should define a fully
662 /// opaque background color instead.
663 #[default]
664 Opaque,
665 /// Plain alpha transparency.
666 Transparent,
667 /// Transparency, but the contents behind the window are blurred.
668 ///
669 /// Not always supported.
670 Blurred,
671}
672
673/// The options that can be configured for a file dialog prompt
674#[derive(Copy, Clone, Debug)]
675pub struct PathPromptOptions {
676 /// Should the prompt allow files to be selected?
677 pub files: bool,
678 /// Should the prompt allow directories to be selected?
679 pub directories: bool,
680 /// Should the prompt allow multiple files to be selected?
681 pub multiple: bool,
682}
683
684/// What kind of prompt styling to show
685#[derive(Copy, Clone, Debug, PartialEq)]
686pub enum PromptLevel {
687 /// A prompt that is shown when the user should be notified of something
688 Info,
689
690 /// A prompt that is shown when the user needs to be warned of a potential problem
691 Warning,
692
693 /// A prompt that is shown when a critical problem has occurred
694 Critical,
695
696 /// A prompt that is shown when asking the user to confirm a potentially destructive action
697 /// (overwriting a file for example)
698 Destructive,
699}
700
701/// The style of the cursor (pointer)
702#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
703pub enum CursorStyle {
704 /// The default cursor
705 Arrow,
706
707 /// A text input cursor
708 /// corresponds to the CSS cursor value `text`
709 IBeam,
710
711 /// A crosshair cursor
712 /// corresponds to the CSS cursor value `crosshair`
713 Crosshair,
714
715 /// A closed hand cursor
716 /// corresponds to the CSS cursor value `grabbing`
717 ClosedHand,
718
719 /// An open hand cursor
720 /// corresponds to the CSS cursor value `grab`
721 OpenHand,
722
723 /// A pointing hand cursor
724 /// corresponds to the CSS cursor value `pointer`
725 PointingHand,
726
727 /// A resize left cursor
728 /// corresponds to the CSS cursor value `w-resize`
729 ResizeLeft,
730
731 /// A resize right cursor
732 /// corresponds to the CSS cursor value `e-resize`
733 ResizeRight,
734
735 /// A resize cursor to the left and right
736 /// corresponds to the CSS cursor value `col-resize`
737 ResizeLeftRight,
738
739 /// A resize up cursor
740 /// corresponds to the CSS cursor value `n-resize`
741 ResizeUp,
742
743 /// A resize down cursor
744 /// corresponds to the CSS cursor value `s-resize`
745 ResizeDown,
746
747 /// A resize cursor directing up and down
748 /// corresponds to the CSS cursor value `row-resize`
749 ResizeUpDown,
750
751 /// A cursor indicating that something will disappear if moved here
752 /// Does not correspond to a CSS cursor value
753 DisappearingItem,
754
755 /// A text input cursor for vertical layout
756 /// corresponds to the CSS cursor value `vertical-text`
757 IBeamCursorForVerticalLayout,
758
759 /// A cursor indicating that the operation is not allowed
760 /// corresponds to the CSS cursor value `not-allowed`
761 OperationNotAllowed,
762
763 /// A cursor indicating that the operation will result in a link
764 /// corresponds to the CSS cursor value `alias`
765 DragLink,
766
767 /// A cursor indicating that the operation will result in a copy
768 /// corresponds to the CSS cursor value `copy`
769 DragCopy,
770
771 /// A cursor indicating that the operation will result in a context menu
772 /// corresponds to the CSS cursor value `context-menu`
773 ContextualMenu,
774}
775
776impl Default for CursorStyle {
777 fn default() -> Self {
778 Self::Arrow
779 }
780}
781
782/// A clipboard item that should be copied to the clipboard
783#[derive(Clone, Debug, Eq, PartialEq)]
784pub struct ClipboardItem {
785 pub(crate) text: String,
786 pub(crate) metadata: Option<String>,
787}
788
789impl ClipboardItem {
790 /// Create a new clipboard item with the given text
791 pub fn new(text: String) -> Self {
792 Self {
793 text,
794 metadata: None,
795 }
796 }
797
798 /// Create a new clipboard item with the given text and metadata
799 pub fn with_metadata<T: Serialize>(mut self, metadata: T) -> Self {
800 self.metadata = Some(serde_json::to_string(&metadata).unwrap());
801 self
802 }
803
804 /// Get the text of the clipboard item
805 pub fn text(&self) -> &String {
806 &self.text
807 }
808
809 /// Get the metadata of the clipboard item
810 pub fn metadata<T>(&self) -> Option<T>
811 where
812 T: for<'a> Deserialize<'a>,
813 {
814 self.metadata
815 .as_ref()
816 .and_then(|m| serde_json::from_str(m).ok())
817 }
818
819 pub(crate) fn text_hash(text: &str) -> u64 {
820 let mut hasher = SeaHasher::new();
821 text.hash(&mut hasher);
822 hasher.finish()
823 }
824}