SDK/Widgets: Add buttons (not clickable atm)

Former-commit-id: b90e4ddc0fd7dd18efd480243639d4e7c76c719b [formerly 2ff8f6dc8bb21873734f6d7a3b4bba6fb6edf24d] [formerly 0268cc083e0a8c6285cf05eead7b1a375ae5466d [formerly a4bdefb8421a31c7c62c293f128253de0fa5c6da]]
Former-commit-id: 8788b5116384b23544d620c28105516d8c2eb6a1 [formerly 785d6986573cd5483a37697b3f13651fa9ffa5b2]
Former-commit-id: 2d424bb16eb5f01381b3a6b315bce258092542c1

SDK/include/NDK/BaseWidget.hpp

@@ -33,6 +33,7 @@ namespace Ndk
 			//virtual BaseWidget* Clone() const = 0;
 
 			inline const Padding& GetPadding() const;
+			inline const Nz::Vector2f& GetContentSize() const;
 			inline Nz::Vector2f GetSize() const;
 
 			virtual void ResizeToContent() = 0;
@@ -55,10 +56,9 @@ namespace Ndk
 		protected:
 			EntityHandle CreateEntity();
 			void DestroyEntity(Entity* entity);
+			virtual void Layout();
 
 		private:
-			void UpdateBackground();
-
 			std::vector<EntityOwner> m_entities;
 			std::vector<BaseWidget*> m_children;
 			EntityOwner m_backgroundEntity;

SDK/include/NDK/BaseWidget.inl

@@ -27,6 +27,11 @@ namespace Ndk
 		return m_padding;
 	}
 
+	inline const Nz::Vector2f& BaseWidget::GetContentSize() const
+	{
+		return m_contentSize;
+	}
+
 	inline Nz::Vector2f BaseWidget::GetSize() const
 	{
 		return Nz::Vector2f(m_contentSize.x + m_padding.left + m_padding.right, m_contentSize.y + m_padding.top + m_padding.bottom);
@@ -35,7 +40,8 @@ namespace Ndk
 	inline void BaseWidget::SetContentSize(const Nz::Vector2f& size)
 	{
 		m_contentSize = size;
-		UpdateBackground();
+		
+		Layout();
 	}
 
 	inline void BaseWidget::SetPadding(float left, float top, float right, float bottom)
@@ -45,6 +51,6 @@ namespace Ndk
 		m_padding.bottom = bottom;
 		m_padding.right = right;
 
-		UpdateBackground();
+		Layout();
 	}
 }

SDK/include/NDK/Widgets/ButtonWidget.hpp

@@ -0,0 +1,49 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#pragma once
+
+#ifndef NDK_WIDGETS_BUTTONWIDGET_HPP
+#define NDK_WIDGETS_BUTTONWIDGET_HPP
+
+#include <NDK/Prerequesites.hpp>
+#include <NDK/BaseWidget.hpp>
+#include <Nazara/Utility/AbstractTextDrawer.hpp>
+#include <Nazara/Graphics/Sprite.hpp>
+#include <Nazara/Graphics/TextSprite.hpp>
+
+namespace Ndk
+{
+	class World;
+
+	class NDK_API ButtonWidget : public BaseWidget
+	{
+		public:
+			ButtonWidget(const WorldHandle& world, BaseWidget* parent = nullptr);
+			ButtonWidget(const ButtonWidget&) = delete;
+			ButtonWidget(ButtonWidget&&) = default;
+			~ButtonWidget() = default;
+
+			//virtual ButtonWidget* Clone() const = 0;
+
+			void ResizeToContent();
+
+			inline void UpdateText(const Nz::AbstractTextDrawer& drawer);
+
+			ButtonWidget& operator=(const ButtonWidget&) = delete;
+			ButtonWidget& operator=(ButtonWidget&&) = default;
+
+		private:
+			void Layout() override;
+
+			EntityHandle m_textEntity;
+			EntityHandle m_gradientEntity;
+			Nz::SpriteRef m_gradientSprite;
+			Nz::TextSpriteRef m_textSprite;
+	};
+}
+
+#include <NDK/Widgets/ButtonWidget.inl>
+
+#endif // NDK_WIDGETS_BUTTONWIDGET_HPP

SDK/include/NDK/Widgets/ButtonWidget.inl

@@ -0,0 +1,13 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#include <NDK/Widgets/ButtonWidget.hpp>
+
+namespace Ndk
+{
+	inline void ButtonWidget::UpdateText(const Nz::AbstractTextDrawer& drawer)
+	{
+		m_textSprite->Update(drawer);
+	}
+}

SDK/src/NDK/BaseWidget.cpp

@@ -15,7 +15,7 @@ namespace Ndk
 			delete child;
 	}
 
-	inline void Ndk::BaseWidget::EnableBackground(bool enable)
+	inline void BaseWidget::EnableBackground(bool enable)
 	{
 		if (m_backgroundEntity.IsValid() == enable)
 			return;
@@ -30,7 +30,7 @@ namespace Ndk
 			m_backgroundEntity->AddComponent<GraphicsComponent>().Attach(m_backgroundSprite, -1);
 			m_backgroundEntity->AddComponent<NodeComponent>().SetParent(this);
 
-			UpdateBackground();
+			BaseWidget::Layout(); // Only layout background
 		}
 		else
 		{
@@ -58,7 +58,7 @@ namespace Ndk
 		m_entities.erase(it);
 	}
 
-	void BaseWidget::UpdateBackground()
+	void BaseWidget::Layout()
 	{
 		if (m_backgroundEntity)
 		{

SDK/src/NDK/Widgets/ButtonWidget.cpp

@@ -0,0 +1,47 @@
+// Copyright (C) 2015 Jérôme Leclercq
+// This file is part of the "Nazara Development Kit"
+// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
+
+#include <NDK/Widgets/ButtonWidget.hpp>
+#include <NDK/Components/GraphicsComponent.hpp>
+#include <NDK/Components/NodeComponent.hpp>
+#include <NDK/World.hpp>
+
+namespace Ndk
+{
+	ButtonWidget::ButtonWidget(const WorldHandle& world, BaseWidget* parent) :
+	BaseWidget(world, parent)
+	{
+		m_gradientSprite = Nz::Sprite::New();
+		m_gradientSprite->SetColor(Nz::Color(74, 74, 74));
+		m_gradientSprite->SetCornerColor(Nz::RectCorner_LeftBottom, Nz::Color(180, 180, 180));
+		m_gradientSprite->SetCornerColor(Nz::RectCorner_RightBottom, Nz::Color(180, 180, 180));
+		m_gradientSprite->SetMaterial(Nz::Material::New("Basic2D"));
+
+		m_gradientEntity = CreateEntity();
+		m_gradientEntity->AddComponent<NodeComponent>().SetParent(this);
+		m_gradientEntity->AddComponent<GraphicsComponent>().Attach(m_gradientSprite);
+		m_gradientEntity->GetComponent<GraphicsComponent>().Attach(m_borderSprite, Nz::Matrix4f::Translate(Nz::Vector2f(-1.f, -1.f)), -1);
+
+		m_textSprite = Nz::TextSprite::New();
+
+		m_textEntity = CreateEntity();
+		m_textEntity->AddComponent<NodeComponent>().SetParent(this);
+		m_textEntity->AddComponent<GraphicsComponent>().Attach(m_textSprite, 1);
+	}
+
+	void ButtonWidget::ResizeToContent()
+	{
+		SetContentSize(Nz::Vector2f(m_textSprite->GetBoundingVolume().obb.localBox.GetLengths()));
+	}
+
+	void ButtonWidget::Layout()
+	{
+		const Nz::Vector2f& contentSize = GetContentSize();
+
+		m_gradientSprite->SetSize(contentSize);
+
+		Nz::Boxf textBox = m_textEntity->GetComponent<GraphicsComponent>().GetBoundingVolume().aabb;
+		m_textEntity->GetComponent<NodeComponent>().SetPosition(contentSize.x / 2 - textBox.width / 2, contentSize.y / 2 - textBox.height / 2);
+	}
+}