Initial commit.

src/ui_elements/widgets/Button.cpp

@@ -0,0 +1,44 @@
+#include "Button.h"
+#include <iostream>
+
+Button::Button()
+	: Widget(),
+	  mLabel()
+{
+
+}
+
+std::shared_ptr<Button> Button::Create()
+{
+	return std::make_shared<Button>();
+}
+
+void Button::SetLabel(const std::string& text)
+{
+	mLabel = text;
+}
+
+void Button::OnMyMouseEvent(MouseEventPtr event)
+{
+	if(event->GetAction() == MouseEvent::Action::Pressed)
+	{
+		std::cout << "Clicked !!" << std::endl;
+		SetBackgroundColor(Color::Create(0, 255, 0));
+	}
+}
+
+void Button::OnPaintEvent(PaintEventPtr event)
+{
+	mLayers.clear();
+	AddBackground(event);
+
+	if(!mLabel.empty())
+	{
+		auto middle = DiscretePoint(mLocation.GetX() + mWidth/2,
+				mLocation.GetY() + mHeight/2);
+		auto text = TextElement::Create(mLabel, middle);
+		auto textLayer = VisualLayer::Create();
+		textLayer->SetText(text);
+		mLayers.push_back(textLayer);
+	}
+}