feat(core): add run_iteration, parent_window and owner_window APIs, closes #1872 (#1874)

Author: lucasfernog

.changes/run-iteration.md

@@ -0,0 +1,5 @@
+---
+"tauri": patch
+---
+
+Adds `run_iteration` API to the `App` and return the app instance on the `build` method of the `Builder`. The `run_iteration` method runs the window event loop step by step, allowing Tauri to be run along other applications.

.changes/runtime-run-iteration.md

@@ -0,0 +1,6 @@
+---
+"tauri-runtime": patch
+"tauri-runtime-wry": patch
+---
+
+Adds `fn run_iteration` (macOS and Windows only) to the Runtime trait.

.changes/window-parent-and-owner.md

@@ -0,0 +1,6 @@
+---
+"tauri-runtime": patch
+"tauri-runtime-wry": patch
+---
+
+Adds `parent_window` and `owner_window` setters to the `WindowBuilder` (Windows only).

core/tauri-runtime-wry/Cargo.toml

@@ -20,6 +20,7 @@ infer = "0.4"
 
 [target."cfg(windows)".dependencies]
 ico = "0.1"
+winapi = "0.3"
 
 [features]
 dox = [ "wry/dox" ]