114 lines
2.8 KiB
C++
114 lines
2.8 KiB
C++
// Copyright (C) 2015 Jérôme Leclercq
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// This file is part of the "Nazara Development Kit"
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// For conditions of distribution and use, see copyright notice in Prerequesites.hpp
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#include <NDK/BaseWidget.hpp>
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#include <NDK/Canvas.hpp>
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#include <NDK/Components/GraphicsComponent.hpp>
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#include <NDK/Components/NodeComponent.hpp>
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#include <NDK/World.hpp>
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namespace Ndk
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{
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BaseWidget::BaseWidget(BaseWidget* parent) :
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BaseWidget()
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{
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NazaraAssert(parent, "Invalid parent");
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NazaraAssert(parent->GetCanvas(), "Parent has no canvas");
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m_canvas = parent->GetCanvas();
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m_world = m_canvas->GetWorld();
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m_canvasIndex = m_canvas->RegisterWidget(this);
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}
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BaseWidget::~BaseWidget()
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{
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m_canvas->UnregisterWidget(m_canvasIndex);
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}
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inline void BaseWidget::EnableBackground(bool enable)
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{
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if (m_backgroundEntity.IsValid() == enable)
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return;
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if (enable)
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{
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m_backgroundSprite = Nz::Sprite::New();
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m_backgroundSprite->SetColor(m_backgroundColor);
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m_backgroundSprite->SetMaterial(Nz::Material::New((m_backgroundColor.IsOpaque()) ? "Basic2D" : "Translucent2D"));
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m_backgroundEntity = m_world->CreateEntity();
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m_backgroundEntity->AddComponent<GraphicsComponent>().Attach(m_backgroundSprite, -1);
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m_backgroundEntity->AddComponent<NodeComponent>().SetParent(this);
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BaseWidget::Layout(); // Only layout background
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}
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else
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{
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m_backgroundEntity->Kill();
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m_backgroundSprite.Reset();
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}
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}
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void BaseWidget::SetSize(const Nz::Vector2f& size)
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{
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SetContentSize({std::max(size.x - m_padding.left - m_padding.right, 0.f), std::max(size.y - m_padding.top - m_padding.bottom, 0.f)});
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}
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EntityHandle BaseWidget::CreateEntity()
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{
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m_entities.emplace_back(m_world->CreateEntity());
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return m_entities.back();
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}
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void BaseWidget::DestroyEntity(Entity* entity)
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{
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auto it = std::find(m_entities.begin(), m_entities.end(), entity);
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NazaraAssert(it != m_entities.end(), "Entity does not belong to this widget");
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m_entities.erase(it);
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}
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void BaseWidget::Layout()
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{
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if (m_canvas)
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m_canvas->NotifyWidgetUpdate(m_canvasIndex);
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if (m_backgroundEntity)
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{
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NodeComponent& node = m_backgroundEntity->GetComponent<NodeComponent>();
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node.SetPosition(-m_padding.left, -m_padding.top);
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m_backgroundSprite->SetSize(m_contentSize.x + m_padding.left + m_padding.right, m_contentSize.y + m_padding.top + m_padding.bottom);
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}
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}
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void BaseWidget::InvalidateNode()
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{
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Node::InvalidateNode();
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if (m_canvas)
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m_canvas->NotifyWidgetUpdate(m_canvasIndex);
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}
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void BaseWidget::OnMouseEnter()
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{
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}
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void BaseWidget::OnMouseMoved(int x, int y, int deltaX, int deltaY)
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{
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}
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void BaseWidget::OnMouseButtonPress(int x, int y, Nz::Mouse::Button button)
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{
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}
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void BaseWidget::OnMouseButtonRelease(int x, int y, Nz::Mouse::Button button)
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{
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}
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void BaseWidget::OnMouseExit()
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{
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}
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} |