Show warning when invalid command is entered

Fixes #1363

Please note that this doesn't prompt when you try to send a message with a bad command.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/CompletionProxyModel.h b/src/CompletionProxyModel.h

index e0f00788..90daf7ad 100644
--- a/src/CompletionProxyModel.h
+++ b/src/CompletionProxyModel.h
@@ -184,6 +184,8 @@ public slots:
     void setSearchString(const QString &s);
     QString searchString() const { return searchString_; }
 
+    bool hasCompletion() const { return rowCount() > 0; }
+
 signals:
     void newSearchString(QString);