Improve keyboard navigation on compose screen: define tabindex groups + enable keyboard controls of contacts list widget

1 files changed, 2 insertions, 0 deletions

diff --git a/program/include/rcmail_output_html.php b/program/include/rcmail_output_html.php
index ff660a4df..19a8d142c 100644
--- a/program/include/rcmail_output_html.php
+++ b/program/include/rcmail_output_html.php
@@ -1135,6 +1135,8 @@ EOF;
             $attrib['role'] = 'button';
         }
         if (!empty($attrib['class']) && !empty($attrib['classact']) || !empty($attrib['imagepas']) && !empty($attrib['imageact'])) {
+            if (array_key_exists('tabindex', $attrib))
+                $attrib['data-tabindex'] = $attrib['tabindex'];
             $attrib['tabindex'] = '-1';  // disable button by default
             $attrib['aria-disabled'] = 'true';
         }