ok try this

1 files changed, 14 insertions, 3 deletions

diff --git a/inbox_settings.php b/inbox_settings.php
index b7c1e7a..c0b2017 100644
--- a/inbox_settings.php
+++ b/inbox_settings.php
@@ -79,13 +79,24 @@ class inbox_settings extends rcube_plugin {
     }
 
     function render_keys_ui() {
-        $this->register_handler('keyslist', [$this, 'render_keys_form']);
+        $this->rcmail->output->add_handler('keyslist', [$this, 'render_keys_list']);
         $this->rcmail->output->set_pagetitle($this->gettext('inbox_keys'));
         $this->rcmail->output->send('inbox_settings.keys');
     }
 
-    function render_keys_form() {
-        return '<p>placeholder</p>';
+    function render_keys_list($attrib) {
+        if (empty($attrib['id']))
+            $attrib['id'] = 'rcpgpkeyslist';
+
+        // info the js needs access to
+        $this->rc->output->add_gui_object('keyslist', $attrib['id']);
+        $this->rc->output->include_script('list.js');
+
+        // $this->rc->output->add_label('inbox_settings.a', 'inbox_settings.b');
+        
+        $data = [[1, 'DEADBEEF', 'placeholder comment']];
+
+        return rcmail_action::table_output($attrib, $data, ['name', 'comment'], 'id');
     }
 
     function render_settings_ui() {