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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007 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.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Window/Linux/VideoModeSupport.hpp>
#include <SFML/Window/Linux/WindowImplX11.hpp>
#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
#include <algorithm>
#include <iostream>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// Get supported video modes
////////////////////////////////////////////////////////////
void VideoModeSupport::GetSupportedVideoModes(std::vector<VideoMode>& Modes)
{
// First, clear array to fill
Modes.clear();
// Get the display and screen from sfWindowImplUnix
WindowImplX11::OpenDisplay(false);
Display* Disp = WindowImplX11::ourDisplay;
int Screen = WindowImplX11::ourScreen;
// Check if the XRandR extension is present
int Version;
if (XQueryExtension(Disp, "RANDR", &Version, &Version, &Version))
{
// Get the current configuration
XRRScreenConfiguration* Config = XRRGetScreenInfo(Disp, RootWindow(Disp, Screen));
if (Config)
{
// Get the available screen sizes
int NbSizes;
XRRScreenSize* Sizes = XRRConfigSizes(Config, &NbSizes);
if (Sizes && (NbSizes > 0))
{
// Add them to the video modes array
for (int i = 0; i < NbSizes; ++i)
{
// Convert to sfVideoMode
VideoMode Mode(Sizes[i].width, Sizes[i].height, 32);
// Add it only if it is not already in the array
if (std::find(Modes.begin(), Modes.end(), Mode) == Modes.end())
Modes.push_back(Mode);
}
}
// Free the configuration instance
XRRFreeScreenConfigInfo(Config);
}
else
{
// Failed to get the screen configuration
std::cerr << "Failed to get the list of available video modes" << std::endl;
}
}
else
{
// XRandr extension is not supported : we cannot get the video modes
std::cerr << "Failed to get the list of available video modes" << std::endl;
}
}
////////////////////////////////////////////////////////////
/// Get current desktop video mode
////////////////////////////////////////////////////////////
VideoMode VideoModeSupport::GetDesktopVideoMode()
{
VideoMode DesktopMode;
// Get the display and screen from sfWindowImplUnix
WindowImplX11::OpenDisplay(false);
Display* Disp = WindowImplX11::ourDisplay;
int Screen = WindowImplX11::ourScreen;
// Check if the XRandR extension is present
int Version;
if (XQueryExtension(Disp, "RANDR", &Version, &Version, &Version))
{
// Get the current configuration
XRRScreenConfiguration* Config = XRRGetScreenInfo(Disp, RootWindow(Disp, Screen));
if (Config)
{
// Get the current video mode
Rotation CurrentRotation;
int CurrentMode = XRRConfigCurrentConfiguration(Config, &CurrentRotation);
// Get the available screen sizes
int NbSizes;
XRRScreenSize* Sizes = XRRConfigSizes(Config, &NbSizes);
if (Sizes && (NbSizes > 0))
DesktopMode = VideoMode(Sizes[CurrentMode].width, Sizes[CurrentMode].height, 32);
// Free the configuration instance
XRRFreeScreenConfigInfo(Config);
}
}
return DesktopMode;
}
} // namespace priv
} // namespace sf
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