/// <summary>
/// Initializes a new instance of the <see cref="Randr15ScreensImpl" /> class.
/// </summary>
/// <param name="platform">The platform.</param>
/// <param name="settings">The settings.</param>
public Randr15ScreensImpl(AvaloniaX11Platform platform, X11ScreensUserSettings settings)
{
_settings = settings;
_x11 = platform.Info;
_window = CreateEventWindow(platform, OnEvent);
XRRSelectInput(_x11.Display, _window, RandrEventMask.RRScreenChangeNotify);
}
/// <summary>
/// Initializes the specified platform.
/// </summary>
/// <param name="platform">The platform.</param>
/// <returns>IX11Screens.</returns>
public static IX11Screens Init(AvaloniaX11Platform platform)
{
var info = platform.Info;
var settings = X11ScreensUserSettings.Detect();
var impl = (info.RandrVersion != null && info.RandrVersion >= new Version(1, 5))
? new Randr15ScreensImpl(platform, settings)
: (IX11Screens) new FallbackScreensImpl(info, settings);
return(impl);
}
/// <summary>
/// Initializes a new instance of the <see cref="X11Clipboard" /> class.
/// </summary>
/// <param name="platform">The platform.</param>
public X11Clipboard(AvaloniaX11Platform platform)
{
_x11 = platform.Info;
_handle = CreateEventWindow(platform, OnEvent);
_avaloniaSaveTargetsAtom = XInternAtom(_x11.Display, "AVALONIA_SAVE_TARGETS_PROPERTY_ATOM", false);
_textAtoms = new[]
{
_x11.Atoms.XA_STRING,
_x11.Atoms.OEMTEXT,
_x11.Atoms.UTF8_STRING,
_x11.Atoms.UTF16_STRING
}.Where(a => a != IntPtr.Zero).ToArray();
}
/// <summary>
/// Initializes the specified platform.
/// </summary>
/// <param name="platform">The platform.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
public bool Init(AvaloniaX11Platform platform)
{
_platform = platform;
_x11 = platform.Info;
_multitouch = platform.Options?.EnableMultiTouch ?? false;
var devices = (XIDeviceInfo *)XIQueryDevice(_x11.Display,
(int)XiPredefinedDeviceId.XIAllMasterDevices, out int num);
for (var c = 0; c < num; c++)
{
if (devices[c].Use == XiDeviceType.XIMasterPointer)
{
_pointerDevice = new PointerDeviceInfo(devices[c]);
break;
}
}
if (_pointerDevice == null)
{
return(false);
}
/*
* int mask = 0;
*
* XISetMask(ref mask, XiEventType.XI_DeviceChanged);
* var emask = new XIEventMask
* {
* Mask = &mask,
* Deviceid = _pointerDevice.Id,
* MaskLen = XiEventMaskLen
* };
*
* if (XISelectEvents(_x11.Display, _x11.RootWindow, &emask, 1) != Status.Success)
* return false;
* return true;
*/
return(XiSelectEvents(_x11.Display, _x11.RootWindow, new Dictionary <int, List <XiEventType> >
{
[_pointerDevice.Id] = new List <XiEventType>
{
XiEventType.XI_DeviceChanged
}
}) == Status.Success);
}
/// <summary>
/// Initializes a new instance of the <see cref="X11PlatformThreading" /> class.
/// </summary>
/// <param name="platform">The platform.</param>
/// <exception cref="IronyModManager.Platform.x11.X11Exception">epoll_create1 failed
/// or
/// Unable to attach X11 connection handle to epoll
/// or
/// Unable to attach signal pipe to epoll</exception>
public X11PlatformThreading(AvaloniaX11Platform platform)
{
_platform = platform;
_display = platform.Display;
_eventHandlers = platform.Windows;
_mainThread = Thread.CurrentThread;
var fd = XLib.XConnectionNumber(_display);
var ev = new epoll_event()
{
events = EPOLLIN,
data = { u32 = (int)EventCodes.X11 }
};
_epoll = epoll_create1(0);
if (_epoll == -1)
{
throw new X11Exception("epoll_create1 failed");
}
if (epoll_ctl(_epoll, EPOLL_CTL_ADD, fd, ref ev) == -1)
{
throw new X11Exception("Unable to attach X11 connection handle to epoll");
}
var fds = stackalloc int[2];
pipe2(fds, O_NONBLOCK);
_sigread = fds[0];
_sigwrite = fds[1];
ev = new epoll_event
{
events = EPOLLIN,
data = { u32 = (int)EventCodes.Signal }
};
if (epoll_ctl(_epoll, EPOLL_CTL_ADD, _sigread, ref ev) == -1)
{
throw new X11Exception("Unable to attach signal pipe to epoll");
}
}