From fc08a83fa0fd6135c13d4ee6c43fc4dc7880af47 Mon Sep 17 00:00:00 2001
From: Leon Styhre <leon@leonstyhre.com>
Date: Tue, 21 Sep 2021 22:18:18 +0200
Subject: [PATCH] TextEditComponent will now return an empty string if only
 whitespace characters were entered.

---
 es-core/src/components/TextEditComponent.cpp | 16 ++++++++++++++++
 es-core/src/components/TextEditComponent.h   |  2 +-
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/es-core/src/components/TextEditComponent.cpp b/es-core/src/components/TextEditComponent.cpp
index a71df9cca..e333a96d0 100644
--- a/es-core/src/components/TextEditComponent.cpp
+++ b/es-core/src/components/TextEditComponent.cpp
@@ -84,6 +84,22 @@ void TextEditComponent::textInput(const std::string& text)
     onCursorChanged();
 }
 
+std::string TextEditComponent::getValue() const
+{
+    if (mText.empty())
+        return "";
+
+    // If mText only contains whitespace characters, then return an empty string.
+    if (std::find_if(mText.cbegin(), mText.cend(), [](char c) {
+            return !std::isspace(static_cast<unsigned char>(c));
+        }) == mText.cend()) {
+        return "";
+    }
+    else {
+        return mText;
+    }
+}
+
 void TextEditComponent::startEditing()
 {
     SDL_StartTextInput();
diff --git a/es-core/src/components/TextEditComponent.h b/es-core/src/components/TextEditComponent.h
index 302c832f7..4967880c8 100644
--- a/es-core/src/components/TextEditComponent.h
+++ b/es-core/src/components/TextEditComponent.h
@@ -33,7 +33,7 @@ public:
     void onSizeChanged() override;
 
     void setValue(const std::string& val) override;
-    std::string getValue() const override { return mText; }
+    std::string getValue() const override;
 
     void startEditing();
     void stopEditing();