[gnome-builder/wip/gtk4-port] plugins/buildui: fix new run command button

[Christian Hergert <chergert src gnome org>]

commit 29786515027d19f228b92535897be226343a29ad
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jun 15 21:31:45 2022 -0700

    plugins/buildui: fix new run command button

 src/plugins/buildui/gbp-buildui-runnables-dialog.c | 23 ++++++++++++++++++++++
 1 file changed, 23 insertions(+)
---
diff --git a/src/plugins/buildui/gbp-buildui-runnables-dialog.c 
b/src/plugins/buildui/gbp-buildui-runnables-dialog.c
index d095cb654..30429786d 100644
--- a/src/plugins/buildui/gbp-buildui-runnables-dialog.c
+++ b/src/plugins/buildui/gbp-buildui-runnables-dialog.c
@@ -186,6 +186,27 @@ gbp_buildui_runnables_dialog_set_context (GbpBuilduiRunnablesDialog *self,
   IDE_EXIT;
 }
 
+static void
+new_run_command_action (GtkWidget  *widget,
+                        const char *action_name,
+                        GVariant   *param)
+{
+  GbpBuilduiRunnablesDialog *self = (GbpBuilduiRunnablesDialog *)widget;
+  IdeWorkspace *workspace;
+
+  IDE_ENTRY;
+
+  g_assert (GBP_IS_BUILDUI_RUNNABLES_DIALOG (self));
+
+  workspace = ide_widget_get_workspace (GTK_WIDGET (self));
+  gtk_widget_activate_action (GTK_WIDGET (workspace),
+                              "workbench.configure-page",
+                              "s", "commands");
+  gtk_window_destroy (GTK_WINDOW (self));
+
+  IDE_EXIT;
+}
+
 static void
 gbp_buildui_runnables_dialog_get_property (GObject    *object,
                                            guint       prop_id,
@@ -245,6 +266,8 @@ gbp_buildui_runnables_dialog_class_init (GbpBuilduiRunnablesDialogClass *klass)
 
   g_object_class_install_properties (object_class, N_PROPS, properties);
 
+  gtk_widget_class_install_action (widget_class, "run-command.new", NULL, new_run_command_action);
+
   gtk_widget_class_add_binding_action (widget_class, GDK_KEY_Escape, 0, "window.close", NULL);
 
   gtk_widget_class_set_template_from_resource (widget_class, 
"/plugins/buildui/gbp-buildui-runnables-dialog.ui");