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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// 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.
//
////////////////////////////////////////////////////////////
#ifndef SFML_WINDOWIMPLX11_HPP
#define SFML_WINDOWIMPLX11_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Window/Event.hpp>
#include <SFML/Window/WindowImpl.hpp>
#include <X11/Xlib.h>
#include <GL/glx.h>
#include <set>
#include <string>
namespace sf
{
namespace priv
{
class VideoModeSupport;
////////////////////////////////////////////////////////////
/// WindowImplX11 is the Linux (X11) implementation of WindowImpl
////////////////////////////////////////////////////////////
class WindowImplX11 : public WindowImpl
{
public :
////////////////////////////////////////////////////////////
/// Default constructor
/// (creates a dummy window to provide a valid OpenGL context)
///
////////////////////////////////////////////////////////////
WindowImplX11();
////////////////////////////////////////////////////////////
/// Construct the window implementation from an existing control
///
/// \param Handle : Platform-specific handle of the control
/// \param Params : Creation settings
///
////////////////////////////////////////////////////////////
WindowImplX11(WindowHandle Handle, WindowSettings& Params);
////////////////////////////////////////////////////////////
/// Create the window implementation
///
/// \param Mode : Video mode to use
/// \param Title : Title of the window
/// \param WindowStyle : Window style (resizable, fixed, or fullscren)
/// \param Params : Creation settings
///
////////////////////////////////////////////////////////////
WindowImplX11(VideoMode Mode, const std::string& Title, unsigned long WindowStyle, WindowSettings& Params);
////////////////////////////////////////////////////////////
/// Destructor
///
////////////////////////////////////////////////////////////
~WindowImplX11();
////////////////////////////////////////////////////////////
/// Check if there's an active context on the current thread
///
/// \return True if there's a context bound to the current thread
///
////////////////////////////////////////////////////////////
static bool IsContextActive();
private :
friend class VideoModeSupport;
////////////////////////////////////////////////////////////
/// /see WindowImpl::Display
///
////////////////////////////////////////////////////////////
virtual void Display();
////////////////////////////////////////////////////////////
/// /see WindowImpl::ProcessEvents
///
////////////////////////////////////////////////////////////
virtual void ProcessEvents();
////////////////////////////////////////////////////////////
/// /see WindowImpl::SetActive
///
////////////////////////////////////////////////////////////
virtual void SetActive(bool Active = true) const;
////////////////////////////////////////////////////////////
/// /see WindowImpl::UseVerticalSync
///
////////////////////////////////////////////////////////////
virtual void UseVerticalSync(bool Enabled);
////////////////////////////////////////////////////////////
/// /see WindowImpl::ShowMouseCursor
///
////////////////////////////////////////////////////////////
virtual void ShowMouseCursor(bool Show);
////////////////////////////////////////////////////////////
/// /see sfWindowImpl::SetCursorPosition
///
////////////////////////////////////////////////////////////
virtual void SetCursorPosition(unsigned int Left, unsigned int Top);
////////////////////////////////////////////////////////////
/// /see sfWindowImpl::SetPosition
///
////////////////////////////////////////////////////////////
virtual void SetPosition(int Left, int Top);
////////////////////////////////////////////////////////////
/// /see WindowImpl::SetSize
///
////////////////////////////////////////////////////////////
virtual void SetSize(unsigned int Width, unsigned int Height);
////////////////////////////////////////////////////////////
/// /see sfWindowImpl::Show
///
////////////////////////////////////////////////////////////
virtual void Show(bool State);
////////////////////////////////////////////////////////////
/// /see sfWindowImpl::EnableKeyRepeat
///
////////////////////////////////////////////////////////////
virtual void EnableKeyRepeat(bool Enabled);
////////////////////////////////////////////////////////////
/// /see WindowImpl::SetIcon
///
////////////////////////////////////////////////////////////
virtual void SetIcon(unsigned int Width, unsigned int Height, const Uint8* Pixels);
////////////////////////////////////////////////////////////
/// Switch to fullscreen mode
///
/// \param Mode : video mode to switch to
///
////////////////////////////////////////////////////////////
void SwitchToFullscreen(const VideoMode& Mode);
////////////////////////////////////////////////////////////
/// Create the OpenGL rendering context
///
/// \param Mode : Video mode to use
/// \param ChosenVisual : Visual that has been chosen for creating the contexte
/// \param Params : Creation parameters
/// \param Template : Visual infos to match
/// \param Mask : Visual attributes to check in Template
///
/// \return True on success, false on error
///
////////////////////////////////////////////////////////////
bool CreateContext(const VideoMode& Mode, XVisualInfo& ChosenVisual, WindowSettings& Params, XVisualInfo Template = XVisualInfo(), unsigned long Mask = 0);
////////////////////////////////////////////////////////////
/// Do some common initializations after the window has been created
///
////////////////////////////////////////////////////////////
void Initialize();
////////////////////////////////////////////////////////////
/// Create a transparent mouse cursor
///
////////////////////////////////////////////////////////////
void CreateHiddenCursor();
////////////////////////////////////////////////////////////
/// Cleanup graphical resources attached to the window
///
////////////////////////////////////////////////////////////
void CleanUp();
////////////////////////////////////////////////////////////
/// Process an incoming event from the window
///
/// \param WinEvent : Event which has been received
///
////////////////////////////////////////////////////////////
void ProcessEvent(XEvent WinEvent);
////////////////////////////////////////////////////////////
/// Convert a X11 keysym to SFML key code
///
/// \param Sym : keysym to convert
///
/// \return Corrsponding SFML key code
///
////////////////////////////////////////////////////////////
static Key::Code KeysymToSF(KeySym Sym);
////////////////////////////////////////////////////////////
/// Open the display (if not already done)
///
/// \param AddWindow : Tell whether or not we must increase the windows count
///
/// \return True if the display is properly opened
///
////////////////////////////////////////////////////////////
static bool OpenDisplay(bool AddWindow = true);
////////////////////////////////////////////////////////////
/// Close the display
///
////////////////////////////////////////////////////////////
static void CloseDisplay();
////////////////////////////////////////////////////////////
// Static member data
////////////////////////////////////////////////////////////
static ::Display* ourDisplay; ///< Current opened display
static int ourScreen; ///< Default screen on the opened display
static WindowImplX11* ourFullscreenWindow; ///< Keep track of the active fullscreen window
static unsigned int ourWindowsCount; ///< Number of windows created
static unsigned long ourEventMask; ///< Mask defining the events that will be caught by our windows
static XIM ourInputMethod; ///< Input object used to get unicode characters from keypress messages
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
::Window myWindow; ///< X11 structure defining our window
bool myIsExternal; ///< Tell whether the window has been created externally or by SFML
GLXContext myGLContext; ///< OpenGL context attached to the window
Atom myAtomClose; ///< Atom used to identify the close event
int myOldVideoMode; ///< Video mode in use before we switch to fullscreen
Cursor myHiddenCursor; ///< As X11 doesn't provide cursor hidding, we must create a transparent one
XIC myInputContext; ///< Input context used to get unicode input in our window
bool myKeyRepeat; ///< Is the KeyRepeat feature enabled ?
XEvent myLastKeyReleaseEvent; ///< Last key release event we received (needed for discarding repeated key events)
};
} // namespace priv
} // namespace sf
#endif // SFML_WINDOWIMPLX11_HPP
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