focus the shortcut webview in vscode

projects/kiss-vscode/config/KissConfig.kiss

@@ -139,7 +139,9 @@
                                                             // TODO restore focus to previous frame first
                                                             (_runCommand command inputText)))}
                                             {(warningMessage "$key is not mapped to a shortcut in this context")(return)}))))
-        (set shortcutPanel.webview.html (shortcutPanelHtml prefixMap))))
+        (set shortcutPanel.webview.html (shortcutPanelHtml prefixMap))
+        (infoMessage "posting message")
+        (shortcutPanel.webview.postMessage (object command "focus"))))
 
 (function shortcutPanelHtml [:Map<String,ShortcutKey> prefixMap]
     (let [shortcutParagraphs
@@ -160,6 +162,15 @@
                 $(shortcutParagraphs.join "")
                 <script>
                     const vscode = acquireVsCodeApi();
+                    window.addEventListener('message', function(event) {
+                        var message = event.data;
+
+                        switch (message.command) {
+                            case 'focus':
+                                window.focus();
+                                break;
+                        }
+                    });
                     window.addEventListener('keydown', function (e) {
                         vscode.postMessage(e.key);
                     });