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Added several properties to get the default screen, default display, screen count and default root window. Updated XRRSizes to abstract away the memory marshaling.

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This commit is contained in:
the_fiddler 2008-01-25 13:12:33 +00:00
parent fac2251a81
commit 3423a3f182
1 changed files with 56 additions and 10 deletions
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66
Source/OpenTK/Platform/X11/API.cs
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@ -45,8 +45,31 @@ namespace OpenTK.Platform.X11
internal static class API
{
// Prevent BeforeFieldInit optimization.
static API() { }
#region --- Fields ---
static Display defaultDisplay = Functions.XOpenDisplay(IntPtr.Zero);
static int defaultScreen = Functions.XDefaultScreen(defaultDisplay);
static Window rootWindow = Functions.XRootWindow(defaultDisplay, defaultScreen);
static int screenCount = Functions.XScreenCount(defaultDisplay);
internal static Display DefaultDisplay { get { return defaultDisplay; } }
internal static int DefaultScreen { get { return defaultScreen; } }
internal static Window RootWindow { get { return rootWindow; } }
internal static int ScreenCount { get { return screenCount; } }
#endregion
static API()
{
AppDomain.CurrentDomain.ProcessExit += new EventHandler(CurrentDomain_ProcessExit);
}
static void CurrentDomain_ProcessExit(object sender, EventArgs e)
{
if (defaultDisplay != IntPtr.Zero) { Functions.XCloseDisplay(defaultDisplay); defaultDisplay = IntPtr.Zero; }
if (defaultDisplay != IntPtr.Zero) { Functions.XCloseDisplay(defaultDisplay); defaultDisplay = IntPtr.Zero; }
if (defaultDisplay != IntPtr.Zero) { Functions.XCloseDisplay(defaultDisplay); defaultDisplay = IntPtr.Zero; }
}
private const string _dll_name = "libX11";
private const string _dll_name_vid = "libXxf86vm";
@ -63,8 +86,6 @@ namespace OpenTK.Platform.X11
#region Window handling
[DllImport(_dll_name, EntryPoint = "XRootWindow")]
public static extern Window RootWindow(Display display, int screen);
[Obsolete("Use XCreateWindow instead")]
[DllImport(_dll_name, EntryPoint = "XCreateWindow")]
@ -109,9 +130,6 @@ namespace OpenTK.Platform.X11
#endregion
[DllImport(_dll_name, EntryPoint = "XDefaultScreen")]
extern public static int DefaultScreen(Display display);
[DllImport(_dll_name, EntryPoint = "XDefaultVisual")]
extern public static IntPtr DefaultVisual(Display display, int screen_number);
@ -1315,16 +1333,44 @@ XF86VidModeGetGammaRampSize(
public static extern Rotation XRRRotations(Display dpy, int screen, ref Rotation current_rotation);
[DllImport(XrandrLibrary)]
[return: MarshalAs(UnmanagedType.LPStruct)]
public static extern XRRScreenSize XRRSizes(Display dpy, int screen, int[] nsizes);
unsafe static extern IntPtr XRRSizes(Display dpy, int screen, int* nsizes);
public static XRRScreenSize[] XRRSizes(Display dpy, int screen)
{
XRRScreenSize[] array;
IntPtr ptr;
int nsizes;
unsafe
{
ptr = XRRSizes(dpy, screen, &nsizes);
byte* data = (byte*)ptr;
array = new XRRScreenSize[nsizes];
for (int i = 0; i < nsizes; i++)
{
array[i] = new XRRScreenSize();
Marshal.PtrToStructure((IntPtr)data, array[i]);
data += Marshal.SizeOf(typeof(XRRScreenSize));
}
XFree(ptr);
return array;
}
}
[DllImport(XrandrLibrary)]
unsafe public static extern short* XRRRates(Display dpy, int screen, int size_index, int[] nrates);
unsafe public static extern short* XRRRates(Display dpy, int screen, int size_index, int* nrates);
[DllImport(XrandrLibrary)]
public static extern Time XRRTimes(Display dpy, int screen, ref Time config_timestamp);
#endregion
#region Display, Screen and Window functions
[DllImport("libX11")]
public static extern int XScreenCount(Display display);
#endregion
}
/*
[StructLayout(LayoutKind.Sequential)]