fltk_accesskit/
fltk_adapter.rs

1#![allow(unused_imports)]
2#![allow(unused_variables)]
3#![allow(clippy::missing_transmute_annotations)]
4use accesskit::{
5    ActionHandler, ActionRequest, ActivationHandler, DeactivationHandler, Node, NodeId, Point,
6    Rect, Size, Tree, TreeUpdate,
7};
8use fltk::{enums::*, prelude::*, *};
9use std::cell::RefCell;
10use std::rc::Rc;
11
12use crate::platform_adapter;
13
14#[derive(Debug)]
15pub struct ActionRequestEvent {
16    pub window_id: window::Window,
17    pub request: ActionRequest,
18}
19
20pub(crate) struct FltkActivationHandler {
21    pub wids: Vec<(NodeId, Node)>,
22    pub win_id: NodeId,
23}
24
25impl ActivationHandler for FltkActivationHandler {
26    fn request_initial_tree(&mut self) -> Option<TreeUpdate> {
27        Some(TreeUpdate {
28            nodes: self.wids.clone(),
29            tree: Some(Tree::new(self.win_id)),
30            focus: if let Some(focused) = app::focus() {
31                let focused = focused.as_widget_ptr() as usize as u64;
32                NodeId(focused)
33            } else {
34                self.win_id
35            },
36        })
37    }
38}
39
40pub(crate) struct FltkActionHandler {
41    window_id: window::Window,
42}
43
44impl ActionHandler for FltkActionHandler {
45    fn do_action(&mut self, request: ActionRequest) {
46        unsafe {
47            app::handle_raw(
48                std::mem::transmute(request.action as i32 + 100),
49                self.window_id.as_widget_ptr() as _,
50            );
51        }
52    }
53}
54
55pub(crate) struct FltkDeactivationHandler {}
56
57impl DeactivationHandler for FltkDeactivationHandler {
58    fn deactivate_accessibility(&mut self) {}
59}
60
61#[derive(Clone)]
62pub struct Adapter {
63    adapter: Rc<RefCell<platform_adapter::Adapter>>,
64}
65
66impl Adapter {
67    pub fn new(window: &window::Window, source: impl 'static + ActivationHandler + Send) -> Self {
68        let action_handler = FltkActionHandler {
69            window_id: window.clone(),
70        };
71        Self::with_action_handler(window, source, action_handler)
72    }
73
74    pub fn with_action_handler(
75        window: &window::Window,
76        source: impl 'static + ActivationHandler + Send,
77        action_handler: impl 'static + ActionHandler + Send,
78    ) -> Self {
79        let deactivation_handler = FltkDeactivationHandler {};
80        let adapter =
81            platform_adapter::Adapter::new(window, source, action_handler, deactivation_handler);
82        window.clone().resize_callback({
83            let adapter = adapter.clone();
84            move |_, x, y, w, h| {
85                #[cfg(not(any(target_os = "windows", target_os = "macos")))]
86                adapter.borrow_mut().set_root_window_bounds(
87                    Rect::from_origin_size(
88                        Point {
89                            x: x as _,
90                            y: y as _,
91                        },
92                        Size {
93                            width: w as _,
94                            height: h as _,
95                        },
96                    ),
97                    Rect::from_origin_size(
98                        Point {
99                            x: x as _,
100                            y: y as _,
101                        },
102                        Size {
103                            width: w as _,
104                            height: h as _,
105                        },
106                    ),
107                );
108            }
109        });
110        Self { adapter }
111    }
112
113    #[cfg(all(
114        not(target_os = "linux"),
115        not(target_os = "dragonfly"),
116        not(target_os = "freebsd"),
117        not(target_os = "netbsd"),
118        not(target_os = "openbsd")
119    ))]
120    #[must_use]
121    pub fn on_event(&self, window: &window::Window, event: &Event) -> bool {
122        unsafe { app::handle_raw(*event, window.as_widget_ptr() as _) }
123    }
124    #[cfg(any(
125        target_os = "linux",
126        target_os = "dragonfly",
127        target_os = "freebsd",
128        target_os = "netbsd",
129        target_os = "openbsd"
130    ))]
131    #[must_use]
132    pub fn on_event(&self, window: &mut window::Window, event: &Event) -> bool {
133        unsafe { app::handle_raw(*event, window.as_widget_ptr() as _) }
134    }
135
136    // pub fn update_window_focus_state(&mut self, is_focused: bool) {
137    //     self.adapter.borrow_mut().update_window_focus_state(is_focused)
138    // }
139
140    pub fn update_if_active(&mut self, updater: impl FnOnce() -> TreeUpdate) {
141        self.adapter.borrow_mut().update_if_active(updater)
142    }
143}
fltk_accesskit/fltk_adapter.rs

fltk_accesskit/
fltk_adapter.rs
