Widgets: Fix manually hidden entities being incorrectly shown when widget itself is shown

src/Nazara/Widgets/AbstractTextAreaWidget.cpp

@@ -36,13 +36,12 @@ namespace Nz
 
 		auto& registry = GetRegistry();
 
-		m_textEntity = CreateEntity();
+		m_textEntity = CreateGraphicsEntity();
 
-		auto& gfxComponent = registry.emplace<GraphicsComponent>(m_textEntity, IsVisible());
+		auto& gfxComponent = registry.get<GraphicsComponent>(m_textEntity);
 		gfxComponent.AttachRenderable(m_textSprite, GetCanvas()->GetRenderMask());
 
-		auto& textNode = GetRegistry().emplace<NodeComponent>(m_textEntity);
-		textNode.SetParent(this);
+		auto& textNode = registry.get<NodeComponent>(m_textEntity);
 		textNode.SetPosition(s_textAreaPaddingWidth, GetHeight() - s_textAreaPaddingHeight);
 
 		SetCursor(SystemCursor::Text);
@@ -59,8 +58,8 @@ namespace Nz
 		m_cursorPositionBegin = Vector2ui::Zero();
 		m_cursorPositionEnd = Vector2ui::Zero();
 
-		RefreshCursorColor();
 		RefreshCursorSize();
+		RefreshCursorColor();
 	}
 
 	void AbstractTextAreaWidget::EnableLineWrap(bool enable)
@@ -598,23 +597,16 @@ namespace Nz
 		std::size_t oldSpriteCount = m_cursors.size();
 		if (m_cursors.size() < selectionLineCount)
 		{
-			Color cursorColor = GetCursorColor();
-			Recti scissorBox = GetScissorBox();
-			bool isVisible = IsVisible() && HasFocus();
-
 			m_cursors.resize(selectionLineCount);
 			for (std::size_t i = oldSpriteCount; i < m_cursors.size(); ++i)
 			{
 				m_cursors[i].sprite = std::make_shared<Sprite>(Widgets::Instance()->GetTransparentMaterial());
-				m_cursors[i].sprite->SetColor(cursorColor);
 				m_cursors[i].sprite->UpdateRenderLayer(GetBaseRenderLayer() + 1);
 
-				m_cursors[i].entity = CreateEntity();
-				registry.emplace<NodeComponent>(m_cursors[i].entity).SetParent(textNode);
+				m_cursors[i].entity = CreateGraphicsEntity(&textNode);
 
-				auto& cursorGfx = registry.emplace<GraphicsComponent>(m_cursors[i].entity, isVisible);
+				auto& cursorGfx = registry.get<GraphicsComponent>(m_cursors[i].entity);
 				cursorGfx.AttachRenderable(m_cursors[i].sprite, GetCanvas()->GetRenderMask());
-				cursorGfx.UpdateScissorBox(scissorBox);
 			}
 		}
 		else if (m_cursors.size() > selectionLineCount)

src/Nazara/Widgets/BaseWidget.cpp

@@ -95,9 +95,8 @@ namespace Nz
 				m_backgroundSprite->UpdateRenderLayer(m_baseRenderLayer);
 			}
 
-			entt::entity backgroundEntity = CreateEntity();
-			m_registry->emplace<GraphicsComponent>(backgroundEntity).AttachRenderable(m_backgroundSprite, GetCanvas()->GetRenderMask());
-			m_registry->emplace<NodeComponent>(backgroundEntity).SetParent(this);
+			entt::entity backgroundEntity = CreateGraphicsEntity();
+			m_registry->get<GraphicsComponent>(backgroundEntity).AttachRenderable(m_backgroundSprite, GetCanvas()->GetRenderMask());
 
 			m_backgroundEntity = backgroundEntity;
 
@@ -204,13 +203,20 @@ namespace Nz
 			else
 				UnregisterFromCanvas();
 
+			m_disableVisibilitySignal = true;
+
 			auto& registry = GetRegistry();
-			for (WidgetEntity& entity : m_entities)
+			for (WidgetEntity& widgetEntity : m_entities)
 			{
-				if (GraphicsComponent* gfx = registry.try_get<GraphicsComponent>(entity.handle))
-					gfx->Show(show);
+				if (GraphicsComponent* gfx = registry.try_get<GraphicsComponent>(widgetEntity.handle))
+				{
+					if ((show && widgetEntity.wasVisible) || !show)
+						gfx->Show(show);
+				}
 			}
 
+			m_disableVisibilitySignal = false;
+
 			ShowChildren(show);
 
 			if (m_parentWidget)
@@ -225,10 +231,38 @@ namespace Nz
 		m_entities.emplace_back();
 		WidgetEntity& newWidgetEntity = m_entities.back();
 		newWidgetEntity.handle = newEntity;
+		newWidgetEntity.wasVisible = true;
 
 		return newEntity;
 	}
 
+	entt::entity BaseWidget::CreateGraphicsEntity(Node* parent)
+	{
+		entt::entity entity = CreateEntity();
+
+		auto& gfxComponent = m_registry->emplace<GraphicsComponent>(entity, IsVisible());
+		gfxComponent.UpdateScissorBox(GetScissorBox());
+
+		m_registry->emplace<NodeComponent>(entity).SetParent((parent) ? parent : this);
+
+		WidgetEntity& newWidgetEntity = m_entities.back();
+		newWidgetEntity.onVisibilityUpdate.Connect(gfxComponent.OnVisibilityUpdate, [this, entity](GraphicsComponent* /*graphicsComponent*/, bool newVisibilityState)
+		{
+			if (m_disableVisibilitySignal)
+				return;
+
+			auto it = std::find_if(m_entities.begin(), m_entities.end(), [&](const WidgetEntity& widgetEntity)
+			{
+				return widgetEntity.handle == entity;
+			});
+			NazaraAssert(it != m_entities.end(), "Entity does not belong to this widget");
+
+			it->wasVisible = newVisibilityState;
+		});
+
+		return entity;
+	}
+
 	void BaseWidget::DestroyEntity(entt::entity entity)
 	{
 		auto it = std::find_if(m_entities.begin(), m_entities.end(), [&](const WidgetEntity& widgetEntity) { return widgetEntity.handle == entity; });

src/Nazara/Widgets/ImageWidget.cpp

@@ -18,13 +18,10 @@ namespace Nz
 
 		auto& registry = GetRegistry();
 
-		m_entity = CreateEntity();
+		m_entity = CreateGraphicsEntity();
 
-		auto& gfxComponent = registry.emplace<GraphicsComponent>(m_entity, IsVisible());
+		auto& gfxComponent = registry.get<GraphicsComponent>(m_entity);
 		gfxComponent.AttachRenderable(m_sprite, GetCanvas()->GetRenderMask());
-
-		auto& nodeComponent = registry.emplace<NodeComponent>(m_entity);
-		nodeComponent.SetParent(this);
 	}
 
 	void ImageWidget::Layout()

src/Nazara/Widgets/LabelWidget.cpp

@@ -3,11 +3,7 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Widgets/LabelWidget.hpp>
-#include <Nazara/Graphics/Components/GraphicsComponent.hpp>
 #include <Nazara/Utility/AbstractTextDrawer.hpp>
-#include <Nazara/Utility/Components/NodeComponent.hpp>
-#include <Nazara/Widgets/Canvas.hpp>
-#include <Nazara/Widgets/Widgets.hpp>
 #include <Nazara/Widgets/Debug.hpp>
 
 namespace Nz

src/Nazara/Widgets/WidgetTheme.cpp

@@ -3,8 +3,6 @@
 // For conditions of distribution and use, see copyright notice in Config.hpp
 
 #include <Nazara/Widgets/WidgetTheme.hpp>
-#include <Nazara/Graphics/Components/GraphicsComponent.hpp>
-#include <Nazara/Utility/Components/NodeComponent.hpp>
 #include <Nazara/Widgets/Canvas.hpp>
 #include <Nazara/Widgets/Debug.hpp>
 
@@ -14,17 +12,6 @@ namespace Nz
 
 	BaseWidgetStyle::~BaseWidgetStyle() = default;
 
-	entt::entity BaseWidgetStyle::CreateGraphicsEntity()
-	{
-		auto& registry = GetRegistry();
-
-		entt::entity entity = CreateEntity();
-		registry.emplace<GraphicsComponent>(entity, m_widgetOwner->IsVisible());
-		registry.emplace<NodeComponent>(entity).SetParent(m_widgetOwner);
-
-		return entity;
-	}
-
 	UInt32 BaseWidgetStyle::GetRenderMask() const
 	{
 		return m_widgetOwner->GetCanvas()->GetRenderMask();