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src/Nazara/Utility/Window.cpp
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475
src/Nazara/Utility/Window.cpp
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// Copyright (C) 2012 Jérôme Leclercq
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// This file is part of the "Nazara Engine".
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// For conditions of distribution and use, see copyright notice in Config.hpp
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#include <Nazara/Utility/Window.hpp>
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#include <Nazara/Core/Error.hpp>
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#include <Nazara/Core/Lock.hpp>
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#include <stdexcept>
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#if defined(NAZARA_PLATFORM_WINDOWS)
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#include <Nazara/Utility/Win32/WindowImpl.hpp>
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#elif defined(NAZARA_PLATFORM_LINUX)
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#include <Nazara/Utility/Linux/WindowImpl.hpp>
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#else
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#error Lack of implementation: Window
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#endif
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#include <Nazara/Utility/Debug.hpp>
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namespace
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{
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NzWindow* fullscreenWindow = nullptr;
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}
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NzWindow::NzWindow() :
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#if NAZARA_UTILITY_THREADED_WINDOW
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m_impl(nullptr),
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m_eventListener(true),
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m_waitForEvent(false)
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#else
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m_impl(nullptr)
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#endif
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{
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}
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NzWindow::NzWindow(NzVideoMode mode, const NzString& title, nzUInt32 style) :
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#if NAZARA_UTILITY_THREADED_WINDOW
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m_impl(nullptr),
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m_eventListener(true),
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m_waitForEvent(false)
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#else
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m_impl(nullptr)
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#endif
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{
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Create(mode, title, style);
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#ifdef NAZARA_DEBUG
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if (!m_impl)
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{
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NazaraError("Failed to create window");
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throw std::runtime_error("Constructor failed");
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}
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#endif
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}
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NzWindow::NzWindow(NzWindowHandle handle) :
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#if NAZARA_UTILITY_THREADED_WINDOW
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m_impl(nullptr),
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m_eventListener(true),
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m_waitForEvent(false)
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#else
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m_impl(nullptr)
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#endif
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{
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Create(handle);
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#if NAZARA_DEBUG
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if (!m_impl)
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{
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NazaraError("Failed to create window");
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throw std::runtime_error("Constructor failed");
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}
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#endif
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}
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NzWindow::~NzWindow()
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{
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Close();
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}
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void NzWindow::Close()
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{
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if (m_impl)
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{
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OnClose();
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m_impl->Close();
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delete m_impl;
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m_impl = nullptr;
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if (fullscreenWindow == this)
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fullscreenWindow = nullptr;
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}
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}
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bool NzWindow::Create(NzVideoMode mode, const NzString& title, nzUInt32 style)
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{
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bool opened = IsOpen();
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NzVector2i position;
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if (opened)
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position = m_impl->GetPosition();
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Close();
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// Inspiré du code de la SFML par Laurent Gomila
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if (style & Fullscreen)
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{
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if (fullscreenWindow)
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{
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NazaraError("Window (" + NzString::Pointer(fullscreenWindow) + ") already in fullscreen mode");
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style &= ~Fullscreen;
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}
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else
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{
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if (!mode.IsFullscreenValid())
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{
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NazaraWarning("Mode is not fullscreen valid");
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mode = NzVideoMode::GetFullscreenModes()[0];
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}
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fullscreenWindow = this;
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}
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}
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else if (style & Closable || style & Resizable)
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style |= Titlebar;
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m_impl = new NzWindowImpl(this);
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if (!m_impl->Create(mode, title, style))
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{
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NazaraError("Failed to create window implementation");
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delete m_impl;
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m_impl = nullptr;
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return false;
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}
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m_ownsWindow = true;
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if (!OnCreate())
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{
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NazaraError("Failed to initialize window extension");
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delete m_impl;
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m_impl = nullptr;
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return false;
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}
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m_impl->EnableKeyRepeat(true);
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m_impl->EnableSmoothScrolling(false);
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m_impl->SetMaximumSize(-1, -1);
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m_impl->SetMinimumSize(-1, -1);
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m_impl->SetVisible(true);
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m_impl->ShowMouseCursor(true);
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if (opened)
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m_impl->SetPosition(position.x, position.y);
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return true;
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}
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bool NzWindow::Create(NzWindowHandle handle)
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{
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Close();
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m_impl = new NzWindowImpl(this);
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if (!m_impl->Create(handle))
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{
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NazaraError("Unable to create window implementation");
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delete m_impl;
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m_impl = nullptr;
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return false;
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}
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m_ownsWindow = false;
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if (!OnCreate())
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{
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NazaraError("Failed to initialize window's derivate");
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delete m_impl;
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m_impl = nullptr;
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return false;
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}
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return true;
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}
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void NzWindow::EnableKeyRepeat(bool enable)
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{
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if (m_impl)
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m_impl->EnableKeyRepeat(enable);
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}
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void NzWindow::EnableSmoothScrolling(bool enable)
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{
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if (m_impl)
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m_impl->EnableSmoothScrolling(enable);
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}
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NzWindowHandle NzWindow::GetHandle() const
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{
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if (m_impl)
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return m_impl->GetHandle();
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else
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return 0;
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}
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unsigned int NzWindow::GetHeight() const
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{
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if (m_impl)
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return m_impl->GetHeight();
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else
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return 0;
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}
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NzVector2i NzWindow::GetPosition() const
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{
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if (m_impl)
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return m_impl->GetPosition();
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else
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return NzVector2i(0);
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}
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NzVector2i NzWindow::GetSize() const
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{
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if (m_impl)
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return m_impl->GetSize();
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else
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return NzVector2i(0);
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}
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NzString NzWindow::GetTitle() const
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{
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if (m_impl)
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return m_impl->GetTitle();
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else
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return NzString();
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}
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unsigned int NzWindow::GetWidth() const
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{
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if (m_impl)
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return m_impl->GetWidth();
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else
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return 0;
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}
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bool NzWindow::HasFocus() const
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{
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if (m_impl)
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return m_impl->HasFocus();
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else
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return false;
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}
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bool NzWindow::IsOpen() const
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{
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return m_impl != nullptr;
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}
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bool NzWindow::IsMinimized() const
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{
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if (m_impl)
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return m_impl->IsMinimized();
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else
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return false;
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}
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bool NzWindow::IsVisible() const
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{
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if (m_impl)
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return m_impl->IsVisible();
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else
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return false;
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}
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bool NzWindow::PollEvent(NzEvent* event)
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{
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if (!m_impl)
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return false;
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#if NAZARA_UTILITY_THREADED_WINDOW
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NzLock lock(m_eventMutex);
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#else
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m_impl->ProcessEvents(false);
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#endif
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if (!m_events.empty())
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{
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if (event)
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*event = m_events.front();
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m_events.pop();
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return true;
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}
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return false;
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}
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void NzWindow::SetEventListener(bool listener)
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{
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if (!m_impl)
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return;
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#if NAZARA_UTILITY_THREADED_WINDOW
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m_impl->SetEventListener(listener);
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if (!listener)
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{
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NzLock lock(m_eventMutex);
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while (!m_events.empty())
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m_events.pop();
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}
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#else
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if (m_ownsWindow)
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{
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// Inutile de transmettre l'ordre dans ce cas-là
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if (!listener)
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NazaraError("A non-threaded window needs to listen to events");
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}
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else
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m_impl->SetEventListener(listener);
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#endif
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}
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void NzWindow::SetFocus()
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{
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if (m_impl)
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m_impl->SetFocus();
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}
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void NzWindow::SetMaximumSize(const NzVector2i& maxSize)
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{
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if (m_impl)
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m_impl->SetMaximumSize(maxSize.x, maxSize.y);
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}
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void NzWindow::SetMaximumSize(int width, int height)
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{
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if (m_impl)
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m_impl->SetMaximumSize(width, height);
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}
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void NzWindow::SetMinimumSize(const NzVector2i& minSize)
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{
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if (m_impl)
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m_impl->SetMinimumSize(minSize.x, minSize.y);
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}
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void NzWindow::SetMinimumSize(int width, int height)
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{
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if (m_impl)
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m_impl->SetMinimumSize(width, height);
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}
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void NzWindow::SetPosition(const NzVector2i& position)
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{
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if (m_impl)
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m_impl->SetPosition(position.x, position.y);
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}
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void NzWindow::SetPosition(int x, int y)
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{
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if (m_impl)
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m_impl->SetPosition(x, y);
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}
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void NzWindow::SetSize(const NzVector2i& size)
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{
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if (m_impl)
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m_impl->SetSize(size.x, size.y);
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}
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void NzWindow::SetSize(unsigned int width, unsigned int height)
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{
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if (m_impl)
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m_impl->SetSize(width, height);
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}
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void NzWindow::SetTitle(const NzString& title)
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{
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if (m_impl)
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m_impl->SetTitle(title);
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}
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void NzWindow::SetVisible(bool visible)
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{
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if (m_impl)
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m_impl->SetVisible(visible);
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}
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void NzWindow::ShowMouseCursor(bool show)
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{
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if (m_impl)
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m_impl->ShowMouseCursor(show);
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}
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void NzWindow::StayOnTop(bool stayOnTop)
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{
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if (m_impl)
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m_impl->StayOnTop(stayOnTop);
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}
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bool NzWindow::WaitEvent(NzEvent* event)
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{
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if (!m_impl)
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return false;
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#if NAZARA_UTILITY_THREADED_WINDOW
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NzLock lock(m_eventMutex);
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if (m_events.empty())
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{
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m_waitForEvent = true;
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m_eventConditionMutex.Lock();
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m_eventMutex.Unlock();
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m_eventCondition.Wait(&m_eventConditionMutex);
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m_eventMutex.Lock();
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m_eventConditionMutex.Unlock();
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m_waitForEvent = false;
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}
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if (!m_events.empty())
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{
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if (event)
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*event = m_events.front();
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m_events.pop();
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return true;
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}
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return false;
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#else
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while (m_events.empty())
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m_impl->ProcessEvents(true);
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if (event)
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*event = m_events.front();
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m_events.pop();
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return true;
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#endif
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}
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void NzWindow::OnClose()
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{
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}
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bool NzWindow::OnCreate()
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{
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return true;
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}
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void NzWindow::PushEvent(const NzEvent& event)
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{
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#if NAZARA_UTILITY_THREADED_WINDOW
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m_eventMutex.Lock();
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#endif
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m_events.push(event);
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#if NAZARA_UTILITY_THREADED_WINDOW
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m_eventMutex.Unlock();
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if (m_waitForEvent)
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{
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m_eventConditionMutex.Lock();
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m_eventCondition.Signal();
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m_eventConditionMutex.Unlock();
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}
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#endif
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}
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