update

Author: hhstore

crates/rs-gui/try-wry/Cargo.toml

@@ -4,10 +4,16 @@ version = "0.1.0"
 edition = "2024"
 
 
+# multiwebview
 [[bin]]
 name = "t01"
 path = "examples/try01.rs"
 
+# multiwindow
+[[bin]]
+name = "t02"
+path = "examples/try02.rs"
+
 
 [dependencies]
 tao = "0.32.6"

crates/rs-gui/try-wry/examples/try02.rs

@@ -0,0 +1,115 @@
+// Copyright 2020-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use std::collections::HashMap;
+use tao::{
+    event::{Event, WindowEvent},
+    event_loop::{ControlFlow, EventLoopBuilder, EventLoopProxy, EventLoopWindowTarget},
+    window::{Window, WindowBuilder, WindowId},
+};
+use wry::{WebView, WebViewBuilder, http::Request};
+
+enum UserEvent {
+    CloseWindow(WindowId),
+    NewTitle(WindowId, String),
+    NewWindow,
+}
+
+fn main() -> wry::Result<()> {
+    let event_loop = EventLoopBuilder::<UserEvent>::with_user_event().build();
+    let mut webviews = HashMap::new();
+    let proxy = event_loop.create_proxy();
+
+    let (window, webview) =
+        create_new_window(format!("Window {}", webviews.len() + 1), &event_loop, proxy.clone());
+    webviews.insert(window.id(), (window, webview));
+
+    event_loop.run(move |event, event_loop, control_flow| {
+        *control_flow = ControlFlow::Wait;
+
+        match event {
+            Event::WindowEvent { event: WindowEvent::CloseRequested, window_id, .. } => {
+                webviews.remove(&window_id);
+                if webviews.is_empty() {
+                    *control_flow = ControlFlow::Exit
+                }
+            },
+            Event::UserEvent(UserEvent::NewWindow) => {
+                let (window, webview) = create_new_window(
+                    format!("Window {}", webviews.len() + 1),
+                    event_loop,
+                    proxy.clone(),
+                );
+                webviews.insert(window.id(), (window, webview));
+            },
+            Event::UserEvent(UserEvent::CloseWindow(id)) => {
+                webviews.remove(&id);
+                if webviews.is_empty() {
+                    *control_flow = ControlFlow::Exit
+                }
+            },
+
+            Event::UserEvent(UserEvent::NewTitle(id, title)) => {
+                webviews.get(&id).unwrap().0.set_title(&title);
+            },
+            _ => (),
+        }
+    });
+}
+
+fn create_new_window(
+    title: String,
+    event_loop: &EventLoopWindowTarget<UserEvent>,
+    proxy: EventLoopProxy<UserEvent>,
+) -> (Window, WebView) {
+    let window = WindowBuilder::new().with_title(title).build(event_loop).unwrap();
+    let window_id = window.id();
+    let handler = move |req: Request<String>| {
+        let body = req.body();
+        match body.as_str() {
+            "new-window" => {
+                let _ = proxy.send_event(UserEvent::NewWindow);
+            },
+            "close" => {
+                let _ = proxy.send_event(UserEvent::CloseWindow(window_id));
+            },
+            _ if body.starts_with("change-title") => {
+                let title = body.replace("change-title:", "");
+                let _ = proxy.send_event(UserEvent::NewTitle(window_id, title));
+            },
+            _ => {},
+        }
+    };
+
+    let builder = WebViewBuilder::new()
+        .with_html(
+            r#"
+        <button onclick="window.ipc.postMessage('new-window')">Open a new window</button>
+        <button onclick="window.ipc.postMessage('close')">Close current window</button>
+        <input oninput="window.ipc.postMessage(`change-title:${this.value}`)" />
+    "#,
+        )
+        .with_ipc_handler(handler);
+
+    #[cfg(any(
+        target_os = "windows",
+        target_os = "macos",
+        target_os = "ios",
+        target_os = "android"
+    ))]
+    let webview = builder.build(&window).unwrap();
+    #[cfg(not(any(
+        target_os = "windows",
+        target_os = "macos",
+        target_os = "ios",
+        target_os = "android"
+    )))]
+    let webview = {
+        use tao::platform::unix::WindowExtUnix;
+        use wry::WebViewBuilderExtUnix;
+        let vbox = window.default_vbox().unwrap();
+        builder.build_gtk(vbox).unwrap()
+    };
+    (window, webview)
+}

crates/rs-gui/try-wry/readme.md

@@ -16,7 +16,11 @@ cargo add wry
 
 cd git-repo-root-dir/
 
+# multiwebview
 task gui:wry:r -- --bin t01
+
+# multiwindow
+task gui:wry:r -- --bin t02
 ```