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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2014 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/VideoModeImpl.hpp>
#include <SFML/Window/Unix/Display.hpp>
#include <SFML/System/Err.hpp>
#include <X11/Xlib.h>
#include <X11/extensions/Xrandr.h>
#include <algorithm>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
std::vector<VideoMode> VideoModeImpl::getFullscreenModes()
{
std::vector<VideoMode> modes;
// Open a connection with the X server
Display* display = OpenDisplay();
if (display)
{
// Retrieve the default screen number
int screen = DefaultScreen(display);
// Check if the XRandR extension is present
int version;
if (XQueryExtension(display, "RANDR", &version, &version, &version))
{
// Get the current configuration
XRRScreenConfiguration* config = XRRGetScreenInfo(display, RootWindow(display, screen));
if (config)
{
// Get the available screen sizes
int nbSizes;
XRRScreenSize* sizes = XRRConfigSizes(config, &nbSizes);
if (sizes && (nbSizes > 0))
{
// Get the list of supported depths
int nbDepths = 0;
int* depths = XListDepths(display, screen, &nbDepths);
if (depths && (nbDepths > 0))
{
// Combine depths and sizes to fill the array of supported modes
for (int i = 0; i < nbDepths; ++i)
{
for (int j = 0; j < nbSizes; ++j)
{
// Convert to VideoMode
VideoMode mode(sizes[j].width, sizes[j].height, depths[i]);
// 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 array of depths
XFree(depths);
}
}
// Free the configuration instance
XRRFreeScreenConfigInfo(config);
}
else
{
// Failed to get the screen configuration
err() << "Failed to retrieve the screen configuration while trying to get the supported video modes" << std::endl;
}
}
else
{
// XRandr extension is not supported: we cannot get the video modes
err() << "Failed to use the XRandR extension while trying to get the supported video modes" << std::endl;
}
// Close the connection with the X server
CloseDisplay(display);
}
else
{
// We couldn't connect to the X server
err() << "Failed to connect to the X server while trying to get the supported video modes" << std::endl;
}
return modes;
}
////////////////////////////////////////////////////////////
VideoMode VideoModeImpl::getDesktopMode()
{
VideoMode desktopMode;
// Open a connection with the X server
Display* display = OpenDisplay();
if (display)
{
// Retrieve the default screen number
int screen = DefaultScreen(display);
// Check if the XRandR extension is present
int version;
if (XQueryExtension(display, "RANDR", &version, &version, &version))
{
// Get the current configuration
XRRScreenConfiguration* config = XRRGetScreenInfo(display, RootWindow(display, screen));
if (config)
{
// Get the current video mode
Rotation currentRotation;
int currentMode = XRRConfigCurrentConfiguration(config, ¤tRotation);
// Get the available screen sizes
int nbSizes;
XRRScreenSize* sizes = XRRConfigSizes(config, &nbSizes);
if (sizes && (nbSizes > 0))
desktopMode = VideoMode(sizes[currentMode].width, sizes[currentMode].height, DefaultDepth(display, screen));
// Free the configuration instance
XRRFreeScreenConfigInfo(config);
}
else
{
// Failed to get the screen configuration
err() << "Failed to retrieve the screen configuration while trying to get the desktop video modes" << std::endl;
}
}
else
{
// XRandr extension is not supported: we cannot get the video modes
err() << "Failed to use the XRandR extension while trying to get the desktop video modes" << std::endl;
}
// Close the connection with the X server
CloseDisplay(display);
}
else
{
// We couldn't connect to the X server
err() << "Failed to connect to the X server while trying to get the desktop video modes" << std::endl;
}
return desktopMode;
}
} // namespace priv
} // namespace sf
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