From 8020d49f9f01ef8a2ca144871d29f9d7c4899db4 Mon Sep 17 00:00:00 2001
From: Torsten Schulz <tsschulz@gmx.net>
Date: Thu, 15 Feb 2024 14:57:19 +0100
Subject: [PATCH] empty lines can't be send any longer

---
 src/app.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/app.cpp b/src/app.cpp
index a9d192d..16727ad 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -526,7 +526,10 @@ Wt::WPushButton* App::createSendButton(Wt::WHBoxLayout* inputLayout, Wt::WLineEd
 }
 
 void App::sendMessage(Wt::WLineEdit *inputLine) {
-    auto utf8String = inputLine->valueText().toUTF8();
+    auto utf8String = inputLine->valueText().trim().toUTF8();
+    if (utf8String == "") {
+        return;
+    }
     size_t pos = 0;
     while ((pos = utf8String.find("<", pos)) != std::string::npos) {
         utf8String.replace(pos, 1, "&lt;");