freya_devtools_app/
main.rs

1use std::{
2    collections::{
3        HashMap,
4        HashSet,
5    },
6    sync::Arc,
7    time::Duration,
8};
9
10use freya::prelude::*;
11use freya_core::integration::NodeId;
12use freya_devtools::{
13    IncomingMessage,
14    IncomingMessageAction,
15    OutgoingMessage,
16    OutgoingMessageAction,
17};
18use freya_radio::prelude::*;
19use freya_router::prelude::*;
20use futures_util::StreamExt;
21use smol::{
22    Timer,
23    net::TcpStream,
24};
25use state::{
26    DevtoolsChannel,
27    DevtoolsState,
28};
29
30mod components;
31mod hooks;
32mod node;
33mod property;
34mod state;
35mod tabs;
36
37use async_tungstenite::tungstenite::protocol::Message;
38use hooks::use_node_info;
39use tabs::{
40    computed_layout::computed_layout,
41    layout::*,
42    misc::*,
43    style::*,
44    text_style::*,
45    tree::*,
46};
47
48fn main() {
49    launch(
50        LaunchConfig::new().with_window(
51            WindowConfig::new(app)
52                .with_title("Freya Devtools")
53                .with_size(1200., 700.),
54        ),
55    )
56}
57
58pub fn app() -> impl IntoElement {
59    use_init_root_theme(|| DARK_THEME);
60    use_init_radio_station::<DevtoolsState, DevtoolsChannel>(|| DevtoolsState {
61        nodes: HashMap::new(),
62        expanded_nodes: HashSet::default(),
63        client: Arc::default(),
64        animation_speed: AnimationClock::DEFAULT_SPEED / AnimationClock::MAX_SPEED * 100.,
65    });
66    let mut radio = use_radio(DevtoolsChannel::Global);
67
68    use_hook(move || {
69        spawn(async move {
70            async fn connect(
71                mut radio: Radio<DevtoolsState, DevtoolsChannel>,
72            ) -> Result<(), tungstenite::Error> {
73                let tcp_stream = TcpStream::connect("[::1]:7354").await?;
74                let (ws_stream, _response) =
75                    async_tungstenite::client_async("ws://[::1]:7354", tcp_stream).await?;
76
77                let (write, read) = ws_stream.split();
78
79                radio.write_silently().client.lock().await.replace(write);
80
81                read.for_each(move |message| async move {
82                    if let Ok(message) = message
83                        && let Ok(text) = message.into_text()
84                        && let Ok(outgoing) = serde_json::from_str::<OutgoingMessage>(&text)
85                    {
86                        match outgoing.action {
87                            OutgoingMessageAction::Update { window_id, nodes } => {
88                                radio
89                                    .write_channel(DevtoolsChannel::UpdatedTree)
90                                    .nodes
91                                    .insert(window_id, nodes);
92                            }
93                        }
94                    }
95                })
96                .await;
97
98                Ok(())
99            }
100
101            loop {
102                println!("Connecting to server...");
103                connect(radio).await.ok();
104                radio
105                    .write_channel(DevtoolsChannel::UpdatedTree)
106                    .nodes
107                    .clear();
108                Timer::after(Duration::from_secs(2)).await;
109            }
110        })
111    });
112
113    rect()
114        .width(Size::fill())
115        .height(Size::fill())
116        .color(Color::WHITE)
117        .background((15, 15, 15))
118        .child(router(|| {
119            RouterConfig::<Route>::default().with_initial_path(Route::TreeInspector {})
120        }))
121}
122
123#[derive(PartialEq)]
124struct NavBar;
125impl Component for NavBar {
126    fn render(&self) -> impl IntoElement {
127        SideBar::new()
128            .width(Size::px(100.))
129            .bar(
130                rect()
131                    .child(ActivableRoute::new(
132                        Route::TreeInspector {},
133                        Link::new(Route::TreeInspector {}).child(SideBarItem::new().child("Tree")),
134                    ))
135                    .child(ActivableRoute::new(
136                        Route::Misc {},
137                        Link::new(Route::Misc {}).child(SideBarItem::new().child("Misc")),
138                    )),
139            )
140            .content(rect().padding(Gaps::new_all(8.)).child(outlet::<Route>()))
141    }
142}
143#[derive(Routable, Clone, PartialEq, Debug)]
144#[rustfmt::skip]
145pub enum Route {
146    #[layout(NavBar)]
147        #[route("/misc")]
148        Misc {},
149        #[layout(LayoutForTreeInspector)]
150            #[nest("/inspector")]
151                #[route("/")]
152                TreeInspector {},
153                #[nest("/node/:node_id/:window_id")]
154                    #[layout(LayoutForNodeInspector)]
155                        #[route("/style")]
156                        NodeInspectorStyle { node_id: NodeId, window_id: u64 },
157                        #[route("/layout")]
158                        NodeInspectorLayout { node_id: NodeId, window_id: u64 },
159                        #[route("/text-style")]
160                        NodeInspectorTextStyle { node_id: NodeId, window_id: u64 },
161}
162
163impl Route {
164    pub fn node_id(&self) -> Option<NodeId> {
165        match self {
166            Self::NodeInspectorStyle { node_id, .. }
167            | Self::NodeInspectorLayout { node_id, .. }
168            | Self::NodeInspectorTextStyle { node_id, .. } => Some(*node_id),
169            _ => None,
170        }
171    }
172
173    pub fn window_id(&self) -> Option<u64> {
174        match self {
175            Self::NodeInspectorStyle { window_id, .. }
176            | Self::NodeInspectorLayout { window_id, .. }
177            | Self::NodeInspectorTextStyle { window_id, .. } => Some(*window_id),
178            _ => None,
179        }
180    }
181}
182
183#[derive(PartialEq, Clone, Copy)]
184struct LayoutForNodeInspector {
185    window_id: u64,
186    node_id: NodeId,
187}
188
189impl Component for LayoutForNodeInspector {
190    fn render(&self) -> impl IntoElement {
191        let LayoutForNodeInspector { window_id, node_id } = *self;
192
193        let Some(node_info) = use_node_info(node_id, window_id) else {
194            return rect();
195        };
196
197        let inner_area = format!(
198            "{}x{}",
199            node_info.inner_area.width().round(),
200            node_info.inner_area.height().round()
201        );
202        let area = format!(
203            "{}x{}",
204            node_info.area.width().round(),
205            node_info.area.height().round()
206        );
207        let padding = node_info.state.layout.padding;
208        let margin = node_info.state.layout.margin;
209
210        rect()
211            .expanded()
212            .child(
213                ScrollView::new()
214                    .show_scrollbar(false)
215                    .height(Size::px(280.))
216                    .child(
217                        rect()
218                            .padding(16.)
219                            .width(Size::fill())
220                            .cross_align(Alignment::Center)
221                            .child(
222                                rect()
223                                    .width(Size::fill())
224                                    .max_width(Size::px(300.))
225                                    .spacing(6.)
226                                    .child(
227                                        rect()
228                                            .horizontal()
229                                            .spacing(6.)
230                                            .child(
231                                                paragraph()
232                                                    .max_lines(1)
233                                                    .height(Size::px(20.))
234                                                    .span(Span::new(area))
235                                                    .span(
236                                                        Span::new(" area").color((200, 200, 200)),
237                                                    ),
238                                            )
239                                            .child(
240                                                paragraph()
241                                                    .max_lines(1)
242                                                    .height(Size::px(20.))
243                                                    .span(Span::new(
244                                                        node_info.children_len.to_string(),
245                                                    ))
246                                                    .span(
247                                                        Span::new(" children")
248                                                            .color((200, 200, 200)),
249                                                    ),
250                                            )
251                                            .child(
252                                                paragraph()
253                                                    .max_lines(1)
254                                                    .height(Size::px(20.))
255                                                    .span(Span::new(node_info.layer.to_string()))
256                                                    .span(
257                                                        Span::new(" layer").color((200, 200, 200)),
258                                                    ),
259                                            ),
260                                    )
261                                    .child(computed_layout(inner_area, padding, margin)),
262                            ),
263                    ),
264            )
265            .child(
266                ScrollView::new()
267                    .show_scrollbar(false)
268                    .height(Size::auto())
269                    .child(
270                        rect()
271                            .direction(Direction::Horizontal)
272                            .padding((0., 4.))
273                            .child(ActivableRoute::new(
274                                Route::NodeInspectorStyle { node_id, window_id },
275                                Link::new(Route::NodeInspectorStyle { node_id, window_id }).child(
276                                    FloatingTab::new().child(label().text("Style").max_lines(1)),
277                                ),
278                            ))
279                            .child(ActivableRoute::new(
280                                Route::NodeInspectorLayout { node_id, window_id },
281                                Link::new(Route::NodeInspectorLayout { node_id, window_id }).child(
282                                    FloatingTab::new().child(label().text("Layout").max_lines(1)),
283                                ),
284                            ))
285                            .child(ActivableRoute::new(
286                                Route::NodeInspectorTextStyle { node_id, window_id },
287                                Link::new(Route::NodeInspectorTextStyle { node_id, window_id })
288                                    .child(
289                                        FloatingTab::new()
290                                            .child(label().text("Text Style").max_lines(1)),
291                                    ),
292                            )),
293                    ),
294            )
295            .child(rect().padding((6., 0.)).child(outlet::<Route>()))
296    }
297}
298
299#[derive(PartialEq)]
300struct LayoutForTreeInspector;
301
302impl Component for LayoutForTreeInspector {
303    fn render(&self) -> impl IntoElement {
304        let route = use_route::<Route>();
305        let radio = use_radio(DevtoolsChannel::Global);
306
307        let selected_node_id = route.node_id();
308        let selected_window_id = route.window_id();
309
310        let is_expanded_vertical = selected_node_id.is_some();
311
312        ResizableContainer::new()
313            .direction(Direction::Horizontal)
314            .panel(
315                ResizablePanel::new(60.).child(rect().padding(10.).child(NodesTree {
316                    selected_node_id,
317                    selected_window_id,
318                    on_selected: EventHandler::new(move |(window_id, node_id)| {
319                        let message = Message::Text(
320                            serde_json::to_string(&IncomingMessage {
321                                action: IncomingMessageAction::HighlightNode { window_id, node_id },
322                            })
323                            .unwrap()
324                            .into(),
325                        );
326                        let client = radio.read().client.clone();
327                        spawn(async move {
328                            client
329                                .lock()
330                                .await
331                                .as_mut()
332                                .unwrap()
333                                .send(message)
334                                .await
335                                .ok();
336                        });
337                    }),
338                    on_hover: EventHandler::new(move |(window_id, node_id)| {
339                        let message = Message::Text(
340                            serde_json::to_string(&IncomingMessage {
341                                action: IncomingMessageAction::HoverNode { window_id, node_id },
342                            })
343                            .unwrap()
344                            .into(),
345                        );
346                        let client = radio.read().client.clone();
347                        spawn(async move {
348                            client
349                                .lock()
350                                .await
351                                .as_mut()
352                                .unwrap()
353                                .send(message)
354                                .await
355                                .ok();
356                        });
357                    }),
358                })),
359            )
360            .panel(is_expanded_vertical.then(|| ResizablePanel::new(40.).child(outlet::<Route>())))
361    }
362}
363
364#[derive(PartialEq)]
365struct TreeInspector;
366
367impl Component for TreeInspector {
368    fn render(&self) -> impl IntoElement {
369        rect()
370    }
371}