mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-09-08 16:03:21 +02:00
2002-08-17 Miguel de Icaza <miguel@ximian.com>
* gtk/ThreadNotify.cs: New file, used to notify invoke code in the main Gtk thread. svn path=/trunk/gtk-sharp/; revision=6712
This commit is contained in:
parent
d58e384ec1
commit
f9b99e7eac
@ -1,3 +1,8 @@
|
|||||||
|
2002-08-17 Miguel de Icaza <miguel@ximian.com>
|
||||||
|
|
||||||
|
* gtk/ThreadNotify.cs: New file, used to notify invoke code in the
|
||||||
|
main Gtk thread.
|
||||||
|
|
||||||
2002-08-17 Duncan Mak <duncan@ximian.com>
|
2002-08-17 Duncan Mak <duncan@ximian.com>
|
||||||
|
|
||||||
* gnome/CanvasProxy.cs:
|
* gnome/CanvasProxy.cs:
|
||||||
|
89
gtk/ThreadNotify.cs
Normal file
89
gtk/ThreadNotify.cs
Normal file
@ -0,0 +1,89 @@
|
|||||||
|
//
|
||||||
|
// ThreadNotify.cs: implements a notification for the thread running the Gtk main
|
||||||
|
// loop from another thread
|
||||||
|
//
|
||||||
|
// Author:
|
||||||
|
// Miguel de Icaza (miguel@ximian.com).
|
||||||
|
//
|
||||||
|
// (C) 2002 Ximian, Inc.
|
||||||
|
//
|
||||||
|
|
||||||
|
namespace Gtk {
|
||||||
|
using System.Runtime.InteropServices;
|
||||||
|
using System.Threading;
|
||||||
|
using System;
|
||||||
|
|
||||||
|
// <summary>
|
||||||
|
// This delegate will be invoked on the main Gtk thread.
|
||||||
|
// </summary>
|
||||||
|
delegate void ReadyEvent ();
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Utility class to help writting multi-threaded Gtk applications
|
||||||
|
/// </summary>
|
||||||
|
/// <remarks>
|
||||||
|
///
|
||||||
|
public class ThreadNotify {
|
||||||
|
|
||||||
|
//
|
||||||
|
// DllImport functions from Gtk
|
||||||
|
//
|
||||||
|
[DllImport ("gtk-x11-2.0")]
|
||||||
|
public static extern int gdk_input_add (int s, int cond, GdkInputFunction f, IntPtr data);
|
||||||
|
public delegate void GdkInputFunction (IntPtr data, int source, int cond);
|
||||||
|
|
||||||
|
//
|
||||||
|
// Libc stuff
|
||||||
|
//
|
||||||
|
[DllImport ("libc.so.6")]
|
||||||
|
public static extern int pipe (int [] fd);
|
||||||
|
|
||||||
|
[DllImport ("libc.so.6")]
|
||||||
|
public static extern unsafe int read (int fd, byte *b, int count);
|
||||||
|
|
||||||
|
[DllImport ("libc.so.6")]
|
||||||
|
public static extern unsafe int write (int fd, byte *b, int count);
|
||||||
|
|
||||||
|
|
||||||
|
GdkInputFunction notify_pipe;
|
||||||
|
int [] pipes;
|
||||||
|
|
||||||
|
ReadyEvent re;
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// The ReadyEvent delegate will be invoked on the current thread (which should
|
||||||
|
/// be the Gtk thread) when another thread wakes us up by calling WakeupMain
|
||||||
|
/// </summary>
|
||||||
|
public ThreadNotify (ReadyEvent re)
|
||||||
|
{
|
||||||
|
notify_pipe = new GdkInputFunction (NotifyPipe);
|
||||||
|
pipes = new int [2];
|
||||||
|
pipe (pipes);
|
||||||
|
gdk_input_add (pipes [0], 1, notify_pipe, (IntPtr) 0);
|
||||||
|
this.re = re;
|
||||||
|
}
|
||||||
|
|
||||||
|
void NotifyPipe (IntPtr data, int source, int cond)
|
||||||
|
{
|
||||||
|
byte s;
|
||||||
|
|
||||||
|
unsafe {
|
||||||
|
read (pipes [0], &s, 1);
|
||||||
|
}
|
||||||
|
|
||||||
|
re ();
|
||||||
|
}
|
||||||
|
|
||||||
|
/// <summary>
|
||||||
|
/// Invoke this function from a thread to call the `ReadyEvent'
|
||||||
|
/// delegate provided in the constructor on the Main Gtk thread
|
||||||
|
/// </summary>
|
||||||
|
public void WakeupMain ()
|
||||||
|
{
|
||||||
|
unsafe {
|
||||||
|
byte s;
|
||||||
|
write (pipes [1], &s, 1);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
Loading…
Reference in New Issue
Block a user