From 46ac60bda1986b1639a0edbe59af435d1d271058 Mon Sep 17 00:00:00 2001
From: Christopher Lam <christopher.lck@gmail.com>
Date: Sat, 18 Jun 2022 16:36:13 +0800
Subject: [PATCH] [gnc-gtk-utils] new: gnc_get_dialog_widget_from_id

---
 gnucash/gnome-utils/gnc-gtk-utils.c | 35 +++++++++++++++++++++++++++++
 gnucash/gnome-utils/gnc-gtk-utils.h |  2 ++
 2 files changed, 37 insertions(+)

diff --git a/gnucash/gnome-utils/gnc-gtk-utils.c b/gnucash/gnome-utils/gnc-gtk-utils.c
index 2dca606f59..9b69141866 100644
--- a/gnucash/gnome-utils/gnc-gtk-utils.c
+++ b/gnucash/gnome-utils/gnc-gtk-utils.c
@@ -297,3 +297,38 @@ gnc_style_context_get_border_color (GtkStyleContext *context,
     *color = *c;
     gdk_rgba_free (c);
 }
+
+static gpointer
+find_widget_func (GtkWidget *widget, const gchar *id)
+{
+    const gchar *name = gtk_buildable_get_name (GTK_BUILDABLE(widget));
+    GtkWidget *ret = NULL;
+
+    if (g_strcmp0 (name, id) == 0)
+        return widget;
+
+    if (GTK_IS_CONTAINER(widget))
+    {
+        GList *container_list = gtk_container_get_children (GTK_CONTAINER(widget));
+        for (GList *n = container_list; !ret && n; n = n->next)
+            ret = find_widget_func (n->data, id);
+        g_list_free (container_list);
+    }
+
+    return ret;
+}
+
+/** Find the Widget defined by 'id' in the dialog
+ *
+ *  @param dialog The dialog to search for 'id'.
+ *
+ *  @param id The widget name to find in the dialog.
+ *
+ *  @returns The widget defined by id in the dialog or NULL.
+ */
+GtkWidget *
+gnc_get_dialog_widget_from_id (GtkDialog *dialog, const gchar *id)
+{
+    GtkWidget *content_area = gtk_dialog_get_content_area (dialog);
+    return find_widget_func (content_area, id);
+}
diff --git a/gnucash/gnome-utils/gnc-gtk-utils.h b/gnucash/gnome-utils/gnc-gtk-utils.h
index 6651f76f0c..b227eec0c8 100644
--- a/gnucash/gnome-utils/gnc-gtk-utils.h
+++ b/gnucash/gnome-utils/gnc-gtk-utils.h
@@ -53,6 +53,8 @@ void gnc_style_context_get_border_color (GtkStyleContext *context,
                                          GtkStateFlags    state,
                                          GdkRGBA         *color);
 
+GtkWidget *gnc_get_dialog_widget_from_id (GtkDialog *dialog, const gchar *id);
+
 /** @} */
 
 #endif /* GNC_GTK_UTILS_H */