Merge pull request #405 from mrxiaozhuox/master

Add some new window api for desktop

examples/window_zoom.rs

@@ -0,0 +1,23 @@
+use dioxus::desktop::use_window;
+use dioxus::prelude::*;
+
+fn main() {
+    dioxus::desktop::launch(app);
+}
+
+fn app(cx: Scope) -> Element {
+    let window = use_window(&cx);
+
+    let level = use_state(&cx, || 1.0);
+    cx.render(rsx! {
+        input {
+            r#type: "number",
+            value: "{level}",
+            oninput: |e| {
+                let num = e.value.parse::<f64>().unwrap_or(1.0);
+                level.set(num);
+                window.set_zoom_level(num);
+            }
+        }
+    })
+}

packages/desktop/src/desktop_context.rs

@@ -115,6 +115,16 @@ impl DesktopContext {
         let _ = self.proxy.send_event(SetDecorations(decoration));
     }
 
+    /// set window zoom level
+    pub fn set_zoom_level(&self, scale_factor: f64) {
+        let _ = self.proxy.send_event(SetZoomLevel(scale_factor));
+    }
+
+    /// launch print modal
+    pub fn print(&self) {
+        let _ = self.proxy.send_event(Print);
+    }
+
     /// opens DevTool window
     pub fn devtool(&self) {
         let _ = self.proxy.send_event(DevTool);
@@ -148,6 +158,9 @@ pub enum UserWindowEvent {
     SetTitle(String),
     SetDecorations(bool),
 
+    SetZoomLevel(f64),
+
+    Print,
     DevTool,
 
     Eval(String),
@@ -191,11 +204,22 @@ pub(super) fn handler(
         SetTitle(content) => window.set_title(&content),
         SetDecorations(state) => window.set_decorations(state),
 
-        DevTool => {}
+        SetZoomLevel(scale_factor) => webview.zoom(scale_factor),
 
-        Eval(code) => webview
+        Print => {
-            .evaluate_script(code.as_str())
+            if let Err(e) = webview.print() {
-            .expect("eval shouldn't panic"),
+                // we can't panic this error.
+                log::warn!("Open print modal failed: {e}");
+            }
+        }
+        DevTool => webview.open_devtools(),
+
+        Eval(code) => {
+            if let Err(e) = webview.evaluate_script(code.as_str()) {
+                // we can't panic this error.
+                log::warn!("Eval script error: {e}");
+            }
+        }
     }
 }