diff options
Diffstat (limited to 'src/SFML/Window/Unix/VideoModeImpl.cpp')
| -rw-r--r-- | src/SFML/Window/Unix/VideoModeImpl.cpp | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/SFML/Window/Unix/VideoModeImpl.cpp b/src/SFML/Window/Unix/VideoModeImpl.cpp new file mode 100644 index 0000000..c7e6204 --- /dev/null +++ b/src/SFML/Window/Unix/VideoModeImpl.cpp @@ -0,0 +1,176 @@ +//////////////////////////////////////////////////////////// +// +// 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 |