Added close behaviour option for specific window (#3754)

Co-authored-by: Jonathan Kelley <jkelleyrtp@gmail.com>

packages/desktop/src/desktop_context.rs

@@ -6,7 +6,7 @@ use crate::{
     query::QueryEngine,
     shortcut::{HotKey, HotKeyState, ShortcutHandle, ShortcutRegistryError},
     webview::PendingWebview,
-    AssetRequest, Config, WryEventHandler,
+    AssetRequest, Config, WindowCloseBehaviour, WryEventHandler,
 };
 use dioxus_core::{prelude::Callback, VirtualDom};
 use std::{
@@ -181,6 +181,26 @@ impl DesktopService {
             .send_event(UserWindowEvent::CloseWindow(id));
     }
 
+    /// Change close behaviour of this window
+    pub fn change_close_behaviour(&self, behaviour: Option<WindowCloseBehaviour>) {
+        let _ = self
+            .shared
+            .proxy
+            .send_event(UserWindowEvent::CloseBehaviour(self.id(), behaviour));
+    }
+
+    /// Change close behaviour of a specific window, given its ID
+    pub fn change_window_close_behaviour(
+        &self,
+        id: WindowId,
+        behaviour: Option<WindowCloseBehaviour>,
+    ) {
+        let _ = self
+            .shared
+            .proxy
+            .send_event(UserWindowEvent::CloseBehaviour(id, behaviour));
+    }
+
     /// change window to fullscreen
     pub fn set_fullscreen(&self, fullscreen: bool) {
         if let Some(handle) = &self.window.current_monitor() {