92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
// Copyright (C) 2017 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 Prerequisites.hpp
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#include <NDK/Canvas.hpp>
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#include <Nazara/Platform/Cursor.hpp>
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namespace Ndk
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{
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inline Canvas::Canvas(WorldHandle world, Nz::EventHandler& eventHandler, Nz::CursorControllerHandle cursorController) :
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m_keyboardOwner(InvalidCanvasIndex),
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m_hoveredWidget(InvalidCanvasIndex),
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m_cursorController(cursorController),
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m_world(std::move(world))
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{
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m_canvas = this;
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m_widgetParent = nullptr;
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// Register ourselves as a widget to handle cursor change
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RegisterToCanvas();
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// Connect to every meaningful event
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m_keyPressedSlot.Connect(eventHandler.OnKeyPressed, this, &Canvas::OnEventKeyPressed);
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m_keyReleasedSlot.Connect(eventHandler.OnKeyReleased, this, &Canvas::OnEventKeyReleased);
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m_mouseButtonPressedSlot.Connect(eventHandler.OnMouseButtonPressed, this, &Canvas::OnEventMouseButtonPressed);
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m_mouseButtonReleasedSlot.Connect(eventHandler.OnMouseButtonReleased, this, &Canvas::OnEventMouseButtonRelease);
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m_mouseLeftSlot.Connect(eventHandler.OnMouseLeft, this, &Canvas::OnEventMouseLeft);
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m_mouseMovedSlot.Connect(eventHandler.OnMouseMoved, this, &Canvas::OnEventMouseMoved);
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m_mouseWheelMovedSlot.Connect(eventHandler.OnMouseWheelMoved, this, &Canvas::OnEventMouseWheelMoved);
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m_textEnteredSlot.Connect(eventHandler.OnTextEntered, this, &Canvas::OnEventTextEntered);
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m_textEditedSlot.Connect(eventHandler.OnTextEdited, this, &Canvas::OnEventTextEdited);
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}
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inline Canvas::~Canvas()
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{
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// Destroy children explicitly because they signal us when getting destroyed, and that can't happen after our own destruction
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DestroyChildren();
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// Prevent our parent from trying to call us
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m_canvasIndex = InvalidCanvasIndex;
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}
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inline const WorldHandle& Canvas::GetWorld() const
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{
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return m_world;
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}
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inline void Canvas::ClearKeyboardOwner(std::size_t canvasIndex)
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{
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if (m_keyboardOwner == canvasIndex)
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SetKeyboardOwner(InvalidCanvasIndex);
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}
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inline bool Canvas::IsKeyboardOwner(std::size_t canvasIndex) const
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{
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return m_keyboardOwner == canvasIndex;
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}
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inline void Canvas::NotifyWidgetBoxUpdate(std::size_t index)
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{
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WidgetEntry& entry = m_widgetEntries[index];
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Nz::Vector3f pos = entry.widget->GetPosition(Nz::CoordSys_Global);
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Nz::Vector2f size = entry.widget->GetSize();
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entry.box.Set(pos.x, pos.y, pos.z, size.x, size.y, 1.f);
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}
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inline void Canvas::NotifyWidgetCursorUpdate(std::size_t index)
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{
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WidgetEntry& entry = m_widgetEntries[index];
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entry.cursor = entry.widget->GetCursor();
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if (m_cursorController && m_hoveredWidget == index)
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m_cursorController->UpdateCursor(Nz::Cursor::Get(entry.cursor));
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}
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inline void Canvas::SetKeyboardOwner(std::size_t canvasIndex)
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{
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if (m_keyboardOwner != canvasIndex)
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{
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if (m_keyboardOwner != InvalidCanvasIndex)
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m_widgetEntries[m_keyboardOwner].widget->OnFocusLost();
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m_keyboardOwner = canvasIndex;
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if (m_keyboardOwner != InvalidCanvasIndex)
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m_widgetEntries[m_keyboardOwner].widget->OnFocusReceived();
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}
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}
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}
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