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SFML - Simple and Fast Multimedia Library

SFML v1.6

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WindowImpl.cpp

//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila ([email protected])
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
//    you must not claim that you wrote the original software.
//    If you use this software in a product, an acknowledgment
//    in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
//    and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//

// Headers
#include <SFML/Window/WindowImpl.hpp>
#include <SFML/Window/Event.hpp>
#include <SFML/Window/WindowListener.hpp>
#include <algorithm>
#include <cmath>

#if defined(SFML_SYSTEM_WINDOWS)

    #include <SFML/Window/Win32/WindowImplWin32.hpp>
    typedef sf::priv::WindowImplWin32 WindowImplType;

#elif defined(SFML_SYSTEM_LINUX) || defined(SFML_SYSTEM_FREEBSD)

    #include <SFML/Window/Linux/WindowImplX11.hpp>
    typedef sf::priv::WindowImplX11 WindowImplType;

#elif defined(SFML_SYSTEM_MACOS)

    #include <SFML/Window/Cocoa/WindowImplCocoa.hpp>
    typedef sf::priv::WindowImplCocoa WindowImplType;

#endif


namespace sf
{
namespace priv
{
WindowImpl* WindowImpl::New()
{
    return new WindowImplType();
}


WindowImpl* WindowImpl::New(VideoMode Mode, const std::string& Title, unsigned long WindowStyle, WindowSettings& Params)
{
    return new WindowImplType(Mode, Title, WindowStyle, Params);
}


WindowImpl* WindowImpl::New(WindowHandle Handle, WindowSettings& Params)
{
    return new WindowImplType(Handle, Params);
}


WindowImpl::WindowImpl() :
myWidth       (0),
myHeight      (0),
myJoyThreshold(0.1f)
{
}


WindowImpl::~WindowImpl()
{
    // Nothing to do
}


void WindowImpl::AddListener(WindowListener* Listener)
{
    if (Listener)
        myListeners.insert(Listener);
}


void WindowImpl::RemoveListener(WindowListener* Listener)
{
    myListeners.erase(Listener);
}


void WindowImpl::Initialize()
{
    // Initialize the joysticks
    for (unsigned int i = 0; i < Joy::Count; ++i)
    {
        myJoysticks[i].Initialize(i);
        myJoyStates[i] = myJoysticks[i].UpdateState();
    }
}


unsigned int WindowImpl::GetWidth() const
{
    return myWidth;
}


unsigned int WindowImpl::GetHeight() const
{
    return myHeight;
}


void WindowImpl::SetJoystickThreshold(float Threshold)
{
    myJoyThreshold = Threshold;
}


void WindowImpl::DoEvents()
{
    // Read the joysticks state and generate the appropriate events
    ProcessJoystickEvents();

    // Let the derived class process other events
    ProcessEvents();
}


bool WindowImpl::IsContextActive()
{
    return WindowImplType::IsContextActive();
}


void WindowImpl::SendEvent(const Event& EventToSend)
{
    for (std::set<WindowListener*>::iterator i = myListeners.begin(); i != myListeners.end(); ++i)
    {
        (*i)->OnEvent(EventToSend);
    }
}


int WindowImpl::EvaluateConfig(const VideoMode& Mode, const WindowSettings& Settings, int ColorBits, int DepthBits, int StencilBits, int Antialiasing)
{
    return abs(static_cast<int>(Mode.BitsPerPixel          - ColorBits))   +
           abs(static_cast<int>(Settings.DepthBits         - DepthBits))   +
           abs(static_cast<int>(Settings.StencilBits       - StencilBits)) +
           abs(static_cast<int>(Settings.AntialiasingLevel - Antialiasing));
}


void WindowImpl::ProcessJoystickEvents()
{
    for (unsigned int i = 0; i < Joy::Count; ++i)
    {
        // Copy the previous state of the joystick and get the new one
        JoystickState PreviousState = myJoyStates[i];
        myJoyStates[i] = myJoysticks[i].UpdateState();

        // Axis
        for (unsigned int j = 0; j < Joy::AxisCount; ++j)
        {
            Joy::Axis Axis = static_cast<Joy::Axis>(j);
            if (myJoysticks[i].HasAxis(Axis))
            {
                float PrevPos = PreviousState.Axis[j];
                float CurrPos = myJoyStates[i].Axis[j];
                if (fabs(CurrPos - PrevPos) >= myJoyThreshold)
                {
                    Event Event;
                    Event.Type               = Event::JoyMoved;
                    Event.JoyMove.JoystickId = i;
                    Event.JoyMove.Axis       = Axis;
                    Event.JoyMove.Position   = CurrPos;
                    SendEvent(Event);
                }
            }
        }

        // Buttons
        for (unsigned int j = 0; j < myJoysticks[i].GetButtonsCount(); ++j)
        {
            bool PrevPressed = PreviousState.Buttons[j];
            bool CurrPressed = myJoyStates[i].Buttons[j];

            if ((!PrevPressed && CurrPressed) || (PrevPressed && !CurrPressed))
            {
                Event Event;
                Event.Type                 = CurrPressed ? Event::JoyButtonPressed : Event::JoyButtonReleased;
                Event.JoyButton.JoystickId = i;
                Event.JoyButton.Button     = j;
                SendEvent(Event);
            }
        }
    }
}


} // namespace priv

} // namespace sf

 ::  Copyright © 2007-2008 Laurent Gomila, all rights reserved  ::  Documentation generated by doxygen 1.5.2  :: 

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• Main Page
• Class List
  • sf::AudioResource
  • sf::Clock
  • sf::Color
  • sf::Context
  • sf::Drawable
  • sf::Event
  • sf::Event::Event::JoyButtonEvent
  • sf::Event::Event::JoyMoveEvent
  • sf::Event::Event::KeyEvent
  • sf::Event::Event::MouseButtonEvent
  • sf::Event::Event::MouseMoveEvent
  • sf::Event::Event::MouseWheelEvent
  • sf::Event::Event::SizeEvent
  • sf::Event::Event::TextEvent
  • sf::Font
  • sf::Ftp
  • sf::Ftp::Ftp::DirectoryResponse
  • sf::Ftp::Ftp::ListingResponse
  • sf::Ftp::Ftp::Response
  • sf::Glyph
  • sf::Http
  • sf::Http::Http::Request
  • sf::Http::Http::Response
  • sf::Image
  • sf::Input
  • sf::IPAddress
  • sf::Listener
  • sf::Lock
  • sf::Matrix3
  • sf::Music
  • sf::Mutex
  • sf::NonCopyable
  • sf::Packet
  • sf::PostFX
  • sf::Randomizer
  • sf::Rect< T >
  • sf::RenderTarget
  • sf::RenderWindow
  • sf::Resource< T >
  • sf::ResourcePtr< T >
  • sf::Selector< Type >
  • sf::SelectorBase
  • sf::Shape
  • sf::SocketHelper
  • sf::SocketTCP
  • sf::SocketUDP
  • sf::Sound
  • sf::SoundBuffer
  • sf::SoundBufferRecorder
  • sf::SoundRecorder
  • sf::SoundStream
  • sf::SoundStream::SoundStream::Chunk
  • sf::Sprite
  • sf::String
  • sf::Thread
  • sf::Unicode
  • sf::Unicode::Unicode::Text
  • sf::Vector2< T >
  • sf::Vector3< T >
  • sf::VideoMode
  • sf::View
  • sf::Window
  • sf::WindowListener
  • sf::WindowSettings
• Class Hierarchy
  • sf::AudioResource
    • sf::Sound
      • sf::SoundStream
        • sf::Music
    • sf::SoundBuffer
  • sf::Clock
  • sf::Color
  • sf::Drawable
    • sf::PostFX
    • sf::Shape
    • sf::Sprite
    • sf::String
  • sf::Event
  • sf::Event::Event::JoyButtonEvent
  • sf::Event::Event::JoyMoveEvent
  • sf::Event::Event::KeyEvent
  • sf::Event::Event::MouseButtonEvent
  • sf::Event::Event::MouseMoveEvent
  • sf::Event::Event::MouseWheelEvent
  • sf::Event::Event::SizeEvent
  • sf::Event::Event::TextEvent
  • sf::Ftp::Ftp::Response
    • sf::Ftp::Ftp::DirectoryResponse
    • sf::Ftp::Ftp::ListingResponse
  • sf::Glyph
  • sf::Http::Http::Request
  • sf::Http::Http::Response
  • sf::IPAddress
  • sf::Listener
  • sf::Matrix3
  • sf::NonCopyable
    • sf::Context
    • sf::Ftp
    • sf::Http
    • sf::Input
    • sf::Lock
    • sf::Mutex
    • sf::Thread
      • sf::SoundRecorder
        • sf::SoundBufferRecorder
      • sf::SoundStream
    • sf::Window
      • sf::RenderWindow
  • sf::Packet
  • sf::Randomizer
  • sf::Rect< T >
  • sf::RenderTarget
    • sf::RenderWindow
  • sf::Resource< T >
  • sf::Resource< Font >
    • sf::Font
  • sf::Resource< Image >
    • sf::Image
  • sf::Resource< SoundBuffer >
    • sf::SoundBuffer
  • sf::ResourcePtr< T >
  • sf::SelectorBase
    • sf::Selector< Type >
  • sf::SocketHelper
  • sf::SocketTCP
  • sf::SocketUDP
  • sf::SoundStream::SoundStream::Chunk
  • sf::Unicode
  • sf::Unicode::Unicode::Text
  • sf::Vector2< T >
  • sf::Vector3< T >
  • sf::VideoMode
  • sf::View
  • sf::WindowListener
    • sf::Input
    • sf::Window
  • sf::WindowSettings
• Class Members
• Namespace List
  • sf::Blend
  • sf::Joy
  • sf::Key
  • sf::Mouse
  • sf::Style
• Namespace Members
• File List
  • Arial.hpp
  • Audio.hpp
  • AudioDevice.cpp
  • AudioDevice.hpp
  • AudioResource.cpp
  • AudioResource.hpp
  • Clock.cpp
  • Clock.hpp
  • Color.cpp
  • Color.hpp
  • Config.hpp
  • Context.cpp
  • Context.hpp
  • Doxygen.hpp
  • Drawable.cpp
  • Drawable.hpp
  • Event.hpp
  • Font.cpp
  • Font.hpp
  • FontLoader.cpp
  • FontLoader.hpp
  • Ftp.cpp
  • Ftp.hpp
  • Glyph.hpp
  • Graphics.hpp
  • GraphicsContext.cpp
  • GraphicsContext.hpp
  • Http.cpp
  • Http.hpp
  • Image.cpp
  • Image.hpp
  • ImageLoader.cpp
  • ImageLoader.hpp
  • Input.cpp
  • Input.hpp
  • IPAddress.cpp
  • IPAddress.hpp
  • Cocoa/Joystick.cpp
  • Template for new ports/Joystick.cpp
  • Win32/Joystick.cpp
  • Cocoa/Joystick.hpp
  • Joystick.hpp
  • Template for new ports/Joystick.hpp
  • Win32/Joystick.hpp
  • Listener.cpp
  • Listener.hpp
  • Lock.cpp
  • Lock.hpp
  • Matrix3.cpp
  • Matrix3.hpp
  • Matrix3.inl
  • Music.cpp
  • Music.hpp
  • Mutex.cpp
  • Mutex.hpp
  • Win32/Mutex.hpp
  • Network.hpp
  • NonCopyable.hpp
  • OpenAL.hpp
  • OpenGL.hpp
  • Packet.cpp
  • Packet.hpp
  • Platform.cpp
  • Platform.hpp
  • Win32/Platform.hpp
  • PostFX.cpp
  • PostFX.hpp
  • Randomizer.cpp
  • Randomizer.hpp
  • Rect.hpp
  • Rect.inl
  • RenderTarget.cpp
  • RenderTarget.hpp
  • RenderWindow.cpp
  • RenderWindow.hpp
  • Resource.hpp
  • Resource.inl
  • ResourcePtr.inl
  • Selector.hpp
  • Selector.inl
  • SelectorBase.cpp
  • SelectorBase.hpp
  • SFML_Main.cpp
  • Shape.cpp
  • Shape.hpp
  • Sleep.cpp
  • Sleep.hpp
  • SocketHelper.cpp
  • SocketHelper.hpp
  • Win32/SocketHelper.hpp
  • Sockets.hpp
  • SocketTCP.cpp
  • SocketTCP.hpp
  • SocketUDP.cpp
  • SocketUDP.hpp
  • Sound.cpp
  • Sound.hpp
  • SoundBuffer.cpp
  • SoundBuffer.hpp
  • SoundBufferRecorder.cpp
  • SoundBufferRecorder.hpp
  • SoundFile.cpp
  • SoundFile.hpp
  • SoundFileDefault.cpp
  • SoundFileDefault.hpp
  • SoundFileOgg.cpp
  • SoundFileOgg.hpp
  • SoundRecorder.cpp
  • SoundRecorder.hpp
  • SoundStream.cpp
  • SoundStream.hpp
  • Sprite.cpp
  • Sprite.hpp
  • String.cpp
  • String.hpp
  • System.hpp
  • Thread.cpp
  • Thread.hpp
  • Win32/Thread.hpp
  • Unicode.cpp
  • Unicode.hpp
  • Unicode.inl
  • Vector2.hpp
  • Vector2.inl
  • Vector3.hpp
  • Vector3.inl
  • VideoMode.cpp
  • VideoMode.hpp
  • Cocoa/VideoModeSupport.cpp
  • Template for new ports/VideoModeSupport.cpp
  • Win32/VideoModeSupport.cpp
  • Cocoa/VideoModeSupport.hpp
  • Template for new ports/VideoModeSupport.hpp
  • VideoModeSupport.hpp
  • Win32/VideoModeSupport.hpp
  • View.cpp
  • View.hpp
  • Window.cpp
  • Window/Window.hpp
  • Window.hpp
  • WindowHandle.hpp
  • WindowImpl.cpp
  • WindowImpl.hpp
  • WindowImplCocoa.hpp
  • WindowImplWin32.cpp
  • WindowImplWin32.hpp
  • WindowImplXXX.cpp
  • WindowImplXXX.hpp
  • WindowListener.hpp
  • WindowSettings.hpp
  • WindowStyle.hpp

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