Method update_zoom

src-tauri/src/window/handler.rs:76–104

(&self, app: AppHandle, preference: State<PreferenceConfig>)

    #[tracing::instrument(level = "debug", skip(self, app, preference))]
    pub fn update_zoom(&self, app: AppHandle, preference: State<PreferenceConfig>) -> Result<()> {
        let scale_factor: f64 = preference.load_selective("zoomFactor".into())?;
        let windows = app.webview_windows();
        for window in windows.values() {
            window.with_webview(move |webview| {
                #[cfg(target_os = "linux")]
                {
                    // see https://docs.rs/webkit2gtk/0.18.2/webkit2gtk/struct.WebView.html
                    // and https://docs.rs/webkit2gtk/0.18.2/webkit2gtk/trait.WebViewExt.html
                    use webkit2gtk::WebViewExt;
                    webview.inner().set_zoom_level(scale_factor);
                }

                #[cfg(windows)]
                unsafe {
                    // see https://docs.rs/webview2-com/0.19.1/webview2_com/Microsoft/Web/WebView2/Win32/struct.ICoreWebView2Controller.html
                    webview.controller().SetZoomFactor(scale_factor).unwrap();
                }

                // #[cfg(target_os = "macos")]
                // unsafe {
                //     use objc::{sel, sel_impl};
                //     let () = objc::msg_send![webview.inner(), setPageZoom: scale_factor];
                // }
            })?;
        }

        Ok(())
    }

    #[tracing::instrument(level = "debug", skip(self, url))]
    pub fn open_external(&self, app: AppHandle, url: String) -> Result<()> {