feat: first implementation of print API

core/tauri-runtime-wry/src/lib.rs

@@ -71,6 +71,7 @@ pub use tao;
 pub use tao::window::{Window, WindowBuilder as TaoWindowBuilder, WindowId as TaoWindowId};
 pub use wry;
 pub use wry::webview_version;
+pub use wry::{PrintOption, PrintMargin};
 
 #[cfg(windows)]
 use wry::WebViewExtWindows;
@@ -1187,6 +1188,7 @@ pub enum WebviewMessage {
   SynthesizedWindowEvent(SynthesizedWindowEvent),
   Navigate(Url),
   Print,
+  PrintWithOptions(Vec<wry::PrintOption>),
   Close,
   SetPosition(Position),
   SetSize(Size),
@@ -1351,6 +1353,17 @@ impl<T: UserEvent> WebviewDispatch<T> for WryWebviewDispatcher<T> {
     )
   }
 
+  fn print_with_options(&self, opts: Vec<PrintOption>) -> Result<()> {
+    send_user_message(
+      &self.context,
+      Message::Webview(
+        *self.window_id.lock().unwrap(),
+        self.webview_id,
+        WebviewMessage::PrintWithOptions(opts),
+      ),
+    )
+  }
+
   fn close(&self) -> Result<()> {
     send_user_message(
       &self.context,
@@ -3015,6 +3028,9 @@ fn handle_user_message<T: UserEvent>(
           WebviewMessage::Print => {
             let _ = webview.print();
           }
+          WebviewMessage::PrintWithOptions(opts) => {
+            let _ = webview.print_with_options(&opts);
+          }
           WebviewMessage::Close => {
             windows.0.borrow_mut().get_mut(&window_id).map(|window| {
               if let Some(i) = window.webviews.iter().position(|w| w.id == webview.id) {

core/tauri-runtime/Cargo.toml

@@ -34,6 +34,7 @@ http = "1.1"
 raw-window-handle = "0.6"
 url = { version = "2" }
 dpi = { version = "0.1", features = [ "serde" ] }
+wry = { version = "0.41", default-features = false, features = [ "drag-drop", "protocol", "os-webview", "serde" ] }
 
 [target."cfg(windows)".dependencies.windows]
 version = "0.57"

core/tauri-runtime/src/lib.rs

@@ -38,6 +38,8 @@ use http::{
 /// UI scaling utilities.
 pub use dpi;
 
+pub use wry::{PrintOption, PrintMargin};
+
 pub type WindowEventId = u32;
 pub type WebviewEventId = u32;
 
@@ -480,6 +482,9 @@ pub trait WebviewDispatch<T: UserEvent>: Debug + Clone + Send + Sync + Sized + '
   /// Opens the dialog to prints the contents of the webview.
   fn print(&self) -> Result<()>;
 
+  /// Triggers a configurable print for the content of the webview
+  fn print_with_options(&self, opts: Vec<PrintOption>) -> Result<()>;
+
   /// Closes the webview.
   fn close(&self) -> Result<()>;
 

core/tauri/src/webview/mod.rs

@@ -22,6 +22,7 @@ use tauri_runtime::{
   webview::{DetachedWebview, PendingWebview, WebviewAttributes},
   Rect, WebviewDispatch,
 };
+use tauri_runtime_wry::PrintOption;
 use tauri_utils::config::{WebviewUrl, WindowConfig};
 pub use url::Url;
 
@@ -888,16 +889,24 @@ impl<R: Runtime> Webview<R> {
   }
 }
 
+/// Alias for a list of print options
+pub type PrintOptions = Vec<PrintOption>;
+
 /// Desktop webview setters and actions.
 #[cfg(desktop)]
 impl<R: Runtime> Webview<R> {
-  /// Opens the dialog to prints the contents of the webview.
+  /// Opens the dialog to prints the contents of the webview. Print options are not used.
   /// Currently only supported on macOS on `wry`.
   /// `window.print()` works on all platforms.
   pub fn print(&self) -> crate::Result<()> {
     self.webview.dispatcher.print().map_err(Into::into)
   }
 
+  /// Executes a print operation with the options given
+  pub fn print_with_options(&self, opts: PrintOptions) -> crate::Result<()> {
+    self.webview.dispatcher.print_with_options(opts).map_err(Into::into)
+  }
+
   /// Get the cursor position relative to the top-left hand corner of the desktop.
   ///
   /// Note that the top-left hand corner of the desktop is not necessarily the same as the screen.

core/tauri/src/webview/plugin.rs

@@ -152,7 +152,7 @@ mod desktop_commands {
   getter!(webview_size, size, tauri_runtime::dpi::PhysicalSize<u32>);
   //getter!(is_focused, bool);
 
-  setter!(print);
+  setter!(print, print_with_options, crate::webview::PrintOptions);
   setter!(webview_close, close);
   setter!(set_webview_size, set_size, Size);
   setter!(set_webview_position, set_position, Position);

tooling/api/src/print.d.ts

@@ -0,0 +1,40 @@
+// Copyright 2024 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+/**
+ * Start printing without a user dialog
+ *
+ * @since 2.0.0
+ */
+export type OptionSilent = {
+  Silent: boolean
+}
+
+/**
+ * The printing margins in mm
+ *
+ * @since 2.0.0
+ */
+export type OptionMargins = {
+  Margins: {
+    top:    number,
+    bottom: number,
+    left:   number,
+    right:  number
+  }
+}
+
+/**
+ * The printing margins in mm
+ *
+ * @since 2.0.0
+ */
+export type OptionGeneratePDF = {
+  GeneratePDF: {
+    filename: string
+  }
+}
+
+export type PrintOption = OptionSilent | OptionMargins | OptionGeneratePDF
+

tooling/api/src/webview.ts

@@ -18,6 +18,7 @@
 
 import { PhysicalPosition, PhysicalSize } from './dpi'
 import type { LogicalPosition, LogicalSize } from './dpi'
+import type { PrintOption } from './print'
 import type { EventName, EventCallback, UnlistenFn } from './event'
 import {
   TauriEvent,
@@ -336,6 +337,16 @@ class Webview {
     return false
   }
 
+  /**
+   * Prints the current webview given the provided options
+   */
+  async print(options: PrintOption[]): Promise<void> {
+    return invoke('plugin:webview|print', {
+      label: this.label,
+      value: options
+    })
+  }
+
   // Getters
   /**
    * The position of the top-left hand corner of the webview's client area relative to the top-left hand corner of the desktop.