1 files changed, 108 insertions, 0 deletions
diff --git a/subprojects/libhandy/glade/glade-hdy-window.c b/subprojects/libhandy/glade/glade-hdy-window.c
new file mode 100644
index 0000000..7832f91
--- /dev/null
+++ b/subprojects/libhandy/glade/glade-hdy-window.c
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2020 Alexander Mikhaylenko <alexm@gnome.org>
+ *
+ * SPDX-License-Identifier: LGPL-2.1+
+ *
+ * Based on
+ * glade-gtk-searchbar.c - GladeWidgetAdaptor for GtkSearchBar
+ * Copyright (C) 2014 Red Hat, Inc.
+ */
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#include "glade-hdy-window.h"
+
+#include <gladeui/glade.h>
+
+#define ALREADY_HAS_A_CHILD_MSG _("%s cannot have more than one child.")
+
+static GtkWidget *
+get_child (GtkContainer *window)
+{
+  g_autoptr (GList) children = gtk_container_get_children (window);
+
+  if (!children)
+    return NULL;
+
+  return children->data;
+}
+
+void
+glade_hdy_window_post_create (GladeWidgetAdaptor *adaptor,
+                              GObject            *object,
+                              GladeCreateReason   reason)
+{
+  if (reason != GLADE_CREATE_USER)
+    return;
+
+  gtk_container_add (GTK_CONTAINER (object), glade_placeholder_new ());
+}
+
+void
+glade_hdy_window_add_child (GladeWidgetAdaptor *adaptor,
+                            GObject            *object,
+                            GObject            *child)
+{
+  GtkWidget *window_child = get_child (GTK_CONTAINER (object));
+
+  if (window_child) {
+    if (GLADE_IS_PLACEHOLDER (window_child)) {
+      gtk_container_remove (GTK_CONTAINER (object), window_child);
+    } else {
+      g_critical ("Can't add more than one widget to a HdyWindow");
+
+      return;
+    }
+  }
+
+  gtk_container_add (GTK_CONTAINER (object), GTK_WIDGET (child));
+}
+
+void
+glade_hdy_window_remove_child (GladeWidgetAdaptor *adaptor,
+                               GObject            *object,
+                               GObject            *child)
+{
+  gtk_container_remove (GTK_CONTAINER (object), GTK_WIDGET (child));
+  gtk_container_add (GTK_CONTAINER (object), glade_placeholder_new ());
+}
+
+void
+glade_hdy_window_replace_child (GladeWidgetAdaptor *adaptor,
+                                GtkWidget          *object,
+                                GtkWidget          *current,
+                                GtkWidget          *new_widget)
+{
+  gtk_container_remove (GTK_CONTAINER (object), current);
+  gtk_container_add (GTK_CONTAINER (object), new_widget);
+}
+
+GList *
+glade_hdy_window_get_children (GladeWidgetAdaptor *adaptor,
+                               GObject            *object)
+{
+  return gtk_container_get_children (GTK_CONTAINER (object));
+}
+
+gboolean
+glade_hdy_window_add_verify (GladeWidgetAdaptor *adaptor,
+                             GtkWidget          *object,
+                             GtkWidget          *child,
+                             gboolean            user_feedback)
+{
+  GtkWidget *window_child = get_child (GTK_CONTAINER (object));
+
+  if (window_child && !GLADE_IS_PLACEHOLDER (window_child)) {
+    if (user_feedback)
+      glade_util_ui_message (glade_app_get_window (),
+                             GLADE_UI_INFO, NULL,
+                             ALREADY_HAS_A_CHILD_MSG,
+                             glade_widget_adaptor_get_title (adaptor));
+
+    return FALSE;
+  }
+
+  return TRUE;
+}
+