Fix reply scrolling issue with text mode and start message below the quote (#1490114)

CHANGELOG

@@ -60,6 +60,7 @@ CHANGELOG Roundcube Webmail
 - Fix handling of base64-encoded attachments with extra spaces (#1490111)
 - Fix handling of UNKNOWN-CTE response, try do decode content client-side (#1490046)
 - Fix bug where creating subfolders in shared folders wasn't possible without ACL extension (#1490113)
+- Fix reply scrolling issue with text mode and start message below the quote (#1490114)
 
 RELEASE 1.0.3
 -------------

program/js/app.js

@@ -3319,7 +3319,7 @@ function rcube_webmail()
     if (!this.gui_objects.messageform)
       return false;
 
-    var i, input_from = $("[name='_from']"),
+    var i, pos, input_from = $("[name='_from']"),
       input_to = $("[name='_to']"),
       input_subject = $("input[name='_subject']"),
       input_message = $("[name='_message']").get(0),
@@ -3353,12 +3353,19 @@ function rcube_webmail()
     }
 
     if (!html_mode) {
-      this.set_caret_pos(input_message, this.env.top_posting ? 0 : $(input_message).val().length);
+      pos = this.env.top_posting ? 0 : input_message.value.length;
+      this.set_caret_pos(input_message, pos);
+
       // add signature according to selected identity
       // if we have HTML editor, signature is added in callback
       if (input_from.prop('type') == 'select-one') {
         this.change_identity(input_from[0]);
       }
+
+      // scroll to the bottom of the textarea (#1490114)
+      if (pos) {
+        $(input_message).scrollTop(input_message.scrollHeight);
+      }
     }
 
     // check for locally stored compose data

program/steps/mail/compose.inc

@@ -986,6 +986,8 @@ function rcmail_create_reply_body($body, $bodyIsHtml)
         )
     ));
 
+    $reply_mode = intval($RCMAIL->config->get('reply_mode'));
+
     if (!$bodyIsHtml) {
         $body = preg_replace('/\r?\n/', "\n", $body);
         $body = trim($body, "\n");
@@ -994,10 +996,13 @@ function rcmail_create_reply_body($body, $bodyIsHtml)
         $body = rcmail_wrap_and_quote($body, $LINE_LENGTH);
 
         $prefix .= "\n";
-        $suffix = '';
 
-        if (intval($RCMAIL->config->get('reply_mode')) > 0) { // top-posting
+        if ($reply_mode > 0) { // top-posting
             $prefix = "\n\n\n" . $prefix;
+            $suffix = '';
+        }
+        else {
+            $suffix = "\n";
         }
     }
     else {
@@ -1012,7 +1017,7 @@ function rcmail_create_reply_body($body, $bodyIsHtml)
         $prefix = '<p>' . rcube::Q($prefix) . "</p>\n";
         $prefix .= '<blockquote>';
 
-        if (intval($RCMAIL->config->get('reply_mode')) > 0) { // top-posting
+        if ($reply_mode > 0) { // top-posting
             $prefix = '<br>' . $prefix;
             $suffix = '</blockquote>';
         }