Added a function webui_get_port() to retrieve the server port for the session

Author: nater0000

include/webui.h

@@ -693,6 +693,20 @@ WEBUI_EXPORT size_t webui_get_parent_process_id(size_t window);
  */
 WEBUI_EXPORT size_t webui_get_child_process_id(size_t window);
 
+/**
+ * @brief Get the web-server network port to be used by WebUI.
+ * This can be useful to determine the HTTP link of `webui.js` 
+ *
+ * @param window The window number
+ * @param port The web-server network port WebUI should use
+ *
+ * @return Returns 0 if no port is used, or the port used by
+ *  web-server network port WebUI should use
+ *
+ * @example size_t port = webui_get_port(myWindow);
+ */
+WEBUI_EXPORT size_t webui_get_port(size_t window);
+
 /**
  * @brief Set a custom web-server/websocket network port to be used by WebUI.
  * This can be useful to determine the HTTP link of `webui.js` in case

include/webui.hpp

@@ -176,6 +176,9 @@ class window {
     // Set window size
     void set_size(unsigned int width, unsigned int height) const { webui_set_size(webui_window, width, height); }
 
+    // Get the web-server network port to be used by WebUI. Returns 0 if no port is used.
+    size_t get_port() const { return webui_get_port(webui_window); }
+
     // Set a custom web-server network port to be used by WebUI. This can be useful to determine the HTTP 
     // link of `webui.js` in case you are trying to use WebUI with an external web-server like NGNIX
     void set_port(size_t port) const { webui_set_port(webui_window, port); }

src/webui.c

@@ -2291,6 +2291,23 @@ void webui_set_event_blocking(size_t window, bool status) {
     win->ws_block = status;
 }
 
+size_t webui_get_port(size_t window) {
+
+    #ifdef WEBUI_LOG
+    printf("[User] webui_get_port([%zu])...\n", window);
+    #endif
+
+    // Initialization
+    _webui_init();
+
+    // Dereference
+    if (_webui_mutex_is_exit_now(WEBUI_MUTEX_NONE) || _webui.wins[window] == NULL)
+        return 0;
+    _webui_window_t* win = _webui.wins[window];
+
+    return win->server_port;
+}
+
 bool webui_set_port(size_t window, size_t port) {
 
     #ifdef WEBUI_LOG