Initial commit.

src/ui_elements/widgets/Widget.cpp

@@ -0,0 +1,134 @@
+#include "RectangleElement.h"
+#include "Widget.h"
+
+Widget::Widget()
+	: mLocation(DiscretePoint(0, 0)),
+	  mWidth(100),
+	  mHeight(100),
+	  mLayers(),
+	  mChildren(),
+	  mBackgroundColor(Color::Create(200, 0, 0))
+{
+
+}
+
+Widget::~Widget()
+{
+
+}
+
+void Widget::AddWidget(WidgetPtr widget)
+{
+	mChildren.push_back(widget);
+}
+
+void Widget::SetSize(unsigned width, unsigned height)
+{
+	mWidth = width;
+	mHeight = height;
+}
+
+std::shared_ptr<Widget> Widget::Create()
+{
+	return std::make_shared<Widget>();
+}
+
+DiscretePoint Widget::GetLocation()
+{
+	return mLocation;
+}
+
+std::vector<VisualLayerPtr> Widget::GetLayers()
+{
+	return mLayers;
+}
+
+void Widget::AddChildLayers(PaintEventPtr event)
+{
+	for(std::size_t idx=0; idx<mChildren.size(); idx++)
+	{
+		auto child = mChildren[idx];
+		child->SetSize(mWidth, mHeight);
+		child->SetLocation(mLocation);
+		child->OnPaintEvent(event);
+		auto layers = child->GetLayers();
+		mLayers.insert(mLayers.end(), layers.begin(), layers.end());
+	}
+}
+
+void Widget::OnPaintEvent(PaintEventPtr event)
+{
+	mLayers.clear();
+
+	AddBackground(event);
+	AddChildLayers(event);
+}
+
+bool Widget::Contains(const DiscretePoint& loc)
+{
+	if(loc.GetX() < mLocation.GetX()) return false;
+	if(loc.GetX() > mLocation.GetX() + mWidth) return false;
+	if(loc.GetY() > mLocation.GetY() + mHeight) return false;
+	if(loc.GetY() < mLocation.GetY()) return false;
+	return true;
+}
+
+bool Widget::OnMouseEvent(MouseEventPtr event)
+{
+	bool inChild = false;
+	for(const auto& child : mChildren)
+	{
+		if(child->OnMouseEvent(event))
+		{
+			inChild = true;
+			break;
+		}
+	}
+	if(!inChild)
+	{
+		if(Contains(event->GetClientLocation()))
+		{
+			OnMyMouseEvent(event);
+			return true;
+		}
+		else
+		{
+			return false;
+		}
+	}
+	return true;
+}
+
+void Widget::OnMyMouseEvent(MouseEventPtr event)
+{
+
+}
+
+void Widget::AddBackground(PaintEventPtr event)
+{
+	auto shape = RectangleElement::Create(mLocation, mWidth, mHeight);
+	shape->SetFillColor(mBackgroundColor);
+	auto shapeLayer = VisualLayer::Create();
+	shapeLayer->SetShape(shape);
+	mLayers.push_back(shapeLayer);
+}
+
+void Widget::SetBackgroundColor(ColorPtr color)
+{
+	mBackgroundColor = color;
+}
+
+void Widget::SetLocation(const DiscretePoint& loc)
+{
+	mLocation = loc;
+}
+
+unsigned Widget::GetWidth()
+{
+	return mWidth;
+}
+
+unsigned Widget::GetHeight()
+{
+	return mHeight;
+}