Start poking at a TerminalWidget.

Widgets/TerminalWidget.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include "Widget.h"
+#include <AK/ByteBuffer.h>
+
+struct CharacterWithAttributes {
+    byte character;
+    byte attribute;
+};
+
+class TerminalWidget final : public Widget {
+public:
+    explicit TerminalWidget(Widget* parent);
+    virtual ~TerminalWidget() override;
+
+    unsigned rows() const { return m_rows; }
+    unsigned columns() const { return m_columns; }
+    
+private:
+    CharacterWithAttributes& at(unsigned row, unsigned column);
+
+    virtual void onPaint(PaintEvent&) override;
+    void onReceive(const ByteBuffer&);
+    void onReceive(byte);
+
+    unsigned m_columns { 80 };
+    unsigned m_rows { 25 };
+
+    unsigned m_cursorRow { 0 };
+    unsigned m_cursorColumn { 0 };
+
+    CharacterWithAttributes* m_screen { nullptr };
+};