Add Keyboard input and enter support for text editor.

src/visual_elements/TextData.h

@@ -3,10 +3,27 @@
 #include "Color.h"
 #include "FontItem.h"
 
+#include <vector>
+
 class TextData
 {
+public:
+    bool operator==(const TextData& rhs) const
+    {
+       return (mContent == rhs.mContent)
+       && (mLines == rhs.mLines)
+       && (mFont == rhs.mFont);
+    }
+
+    bool operator!=(const TextData& rhs) const
+    {
+      return !operator==(rhs);
+    }
+
+
 public:
     TextData() = default;
     std::string mContent;
+    std::vector<std::string> mLines;
     FontItem mFont;
 };