kas_core/window/
mod.rs

1// Licensed under the Apache License, Version 2.0 (the "License");
2// you may not use this file except in compliance with the License.
3// You may obtain a copy of the License in the LICENSE-APACHE file or at:
4//     https://www.apache.org/licenses/LICENSE-2.0
5
6//! Special window widgets
7
8mod popup;
9mod window;
10
11#[cfg(feature = "accesskit")]
12#[doc(inline)]
13pub(crate) use popup::POPUP_INNER_INDEX;
14#[doc(inline)] pub use popup::Popup;
15#[doc(inline)] pub(crate) use popup::PopupDescriptor;
16pub use window::*;
17pub use winit::window::{Icon, ResizeDirection};
18
19use std::num::NonZeroU32;
20
21/// Available decoration modes
22///
23/// See [`Window::decorations`].
24#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
25pub enum Decorations {
26    /// No decorations
27    ///
28    /// The root widget is drawn as a simple rectangle with no borders.
29    None,
30    /// Add a simple themed border to the widget
31    ///
32    /// Probably looks better if [`Window::transparent`] is true.
33    Border,
34    /// Toolkit-drawn decorations
35    ///
36    /// Decorations will match the toolkit theme, not the platform theme.
37    /// These decorations may not have all the same capabilities.
38    ///
39    /// Probably looks better if [`Window::transparent`] is true.
40    Toolkit,
41    /// Server-side decorations
42    ///
43    /// Decorations are drawn by the window manager, if available.
44    Server,
45}
46
47/// Identifier for a window or pop-up
48///
49/// Identifiers should always be unique.
50#[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
51pub struct WindowId(NonZeroU32);
52
53impl WindowId {
54    pub(crate) fn get(self) -> u32 {
55        self.0.get()
56    }
57
58    pub(crate) fn try_from(index: u32) -> Option<Self> {
59        NonZeroU32::new(index).map(WindowId)
60    }
61}
62
63/// Constructor for [`WindowId`]
64#[derive(Default)]
65pub(crate) struct WindowIdFactory(u32);
66
67impl WindowIdFactory {
68    /// Get the next identifier
69    ///
70    /// TODO(opt): this should recycle used identifiers since Id does not
71    /// efficiently represent large numbers.
72    pub(crate) fn make_next(&mut self) -> WindowId {
73        let id = self.0 + 1;
74        self.0 = id;
75        WindowId(NonZeroU32::new(id).unwrap())
76    }
77}
kas_core/window/mod.rs

kas_core/window/
mod.rs
