Widgets: Add widget theme (WIP)

2021-11-28 23:04:56 +01:00
parent 8299a5a4bd
commit f7b69e11c2
16 changed files with 447 additions and 163 deletions
--- a/src/Nazara/Widgets/DefaultWidgetTheme.cpp
+++ b/src/Nazara/Widgets/DefaultWidgetTheme.cpp
@@ -0,0 +1,121 @@
+// Copyright (C) 2021 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
+// This file is part of the "Nazara Engine - Widgets module"
+// For conditions of distribution and use, see copyright notice in Config.hpp
+
+#include <Nazara/Widgets/DefaultWidgetTheme.hpp>
+#include <Nazara/Graphics/BasicMaterial.hpp>
+#include <Nazara/Graphics/Material.hpp>
+#include <Nazara/Graphics/MaterialPass.hpp>
+#include <Nazara/Graphics/Components/GraphicsComponent.hpp>
+#include <Nazara/Utility/Components/NodeComponent.hpp>
+#include <Nazara/Widgets/ButtonWidget.hpp>
+#include <Nazara/Widgets/Canvas.hpp>
+#include <Nazara/Widgets/Widgets.hpp>
+#include <Nazara/Widgets/Debug.hpp>
+
+namespace Nz
+{
+	namespace
+	{
+		const UInt8 ButtonImage[] = {
+			#include <Nazara/Widgets/Resources/DefaultStyle/Button.png.h>
+		};
+
+		const UInt8 ButtonPressedImage[] = {
+			#include <Nazara/Widgets/Resources/DefaultStyle/ButtonPressed.png.h>
+		};
+	}
+
+	DefaultWidgetTheme::DefaultWidgetTheme()
+	{
+		TextureParams texParams;
+		texParams.renderDevice = Graphics::Instance()->GetRenderDevice();
+		texParams.loadFormat = PixelFormat::RGBA8_SRGB;
+
+		// Button material
+		{
+			std::shared_ptr<MaterialPass> buttonMaterialPass = std::make_shared<MaterialPass>(BasicMaterial::GetSettings());
+			buttonMaterialPass->EnableDepthBuffer(true);
+			buttonMaterialPass->EnableDepthWrite(false);
+
+			m_buttonMaterial = std::make_shared<Material>();
+			m_buttonMaterial->AddPass("ForwardPass", buttonMaterialPass);
+
+			BasicMaterial buttonBasicMat(*buttonMaterialPass);
+			buttonBasicMat.SetDiffuseMap(Texture::LoadFromMemory(ButtonImage, sizeof(ButtonImage), texParams));
+		}
+
+		// Button (pressed) material
+		{
+			std::shared_ptr<MaterialPass> buttonMaterialPass = std::make_shared<MaterialPass>(BasicMaterial::GetSettings());
+			buttonMaterialPass->EnableDepthBuffer(true);
+			buttonMaterialPass->EnableDepthWrite(false);
+
+			m_pressedButtonMaterial = std::make_shared<Material>();
+			m_pressedButtonMaterial->AddPass("ForwardPass", buttonMaterialPass);
+
+			BasicMaterial buttonBasicMat(*buttonMaterialPass);
+			buttonBasicMat.SetDiffuseMap(Texture::LoadFromMemory(ButtonPressedImage, sizeof(ButtonPressedImage), texParams));
+		}
+	}
+
+	std::unique_ptr<ButtonWidgetStyle> DefaultWidgetTheme::CreateStyle(ButtonWidget* buttonWidget) const
+	{
+		return std::make_unique<DefaultButtonWidgetStyle>(buttonWidget, m_buttonMaterial, m_pressedButtonMaterial);
+	}
+
+	DefaultButtonWidgetStyle::DefaultButtonWidgetStyle(ButtonWidget* buttonWidget, std::shared_ptr<Material> defaultMaterial, std::shared_ptr<Material> pressedMaterial) :
+	ButtonWidgetStyle(buttonWidget),
+	m_defaultMaterial(std::move(defaultMaterial)),
+	m_pressedMaterial(std::move(pressedMaterial))
+	{
+		auto& registry = GetRegistry();
+		UInt32 renderMask = GetRenderMask();
+
+		m_sprite = std::make_shared<SlicedSprite>(m_defaultMaterial);
+
+		m_gradientEntity = CreateEntity();
+		registry.emplace<NodeComponent>(m_gradientEntity).SetParent(buttonWidget);
+		registry.emplace<GraphicsComponent>(m_gradientEntity).AttachRenderable(m_sprite, renderMask);
+
+		m_textSprite = std::make_shared<TextSprite>(Widgets::Instance()->GetTransparentMaterial());
+
+		m_textEntity = CreateEntity();
+		registry.emplace<NodeComponent>(m_textEntity).SetParent(buttonWidget);
+		registry.emplace<GraphicsComponent>(m_textEntity).AttachRenderable(m_textSprite, renderMask);
+	}
+
+	void DefaultButtonWidgetStyle::Layout(const Vector2f& size)
+	{
+		m_sprite->SetSize(size);
+
+		entt::registry& registry = GetRegistry();
+
+		Boxf textBox = m_textSprite->GetAABB();
+		registry.get<NodeComponent>(m_textEntity).SetPosition(size.x / 2.f - textBox.width / 2.f, size.y / 2.f - textBox.height / 2.f);
+	}
+
+	void DefaultButtonWidgetStyle::OnHoverBegin()
+	{
+	}
+
+	void DefaultButtonWidgetStyle::OnHoverEnd()
+	{
+		m_sprite->SetMaterial(m_defaultMaterial);
+	}
+
+	void DefaultButtonWidgetStyle::OnPress()
+	{
+		m_sprite->SetMaterial(m_pressedMaterial);
+	}
+
+	void DefaultButtonWidgetStyle::OnRelease()
+	{
+		m_sprite->SetMaterial(m_defaultMaterial);
+	}
+
+	void DefaultButtonWidgetStyle::UpdateText(const AbstractTextDrawer& drawer)
+	{
+		m_textSprite->Update(drawer);
+	}
+}