fd01afc12b
* glib/Signal.cs : guard against NULL gchandles. * gdk/Input.custom : add try/catch blocks to native callbacks. * gtk/*.custom : ditto * gtk/NodeStore.cs : ditto svn path=/trunk/gtk-sharp/; revision=74004
63 lines
2.4 KiB
Plaintext
63 lines
2.4 KiB
Plaintext
// Gdk.Input.custom - Gdk Input class customizations
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//
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// Author: Mike Kestner <mkestner@ximian.com>
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//
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// Copyright (C) 2005, 2007 Novell, Inc.
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//
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// This code is inserted after the automatically generated code.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the Lesser GNU General
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// Public License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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[GLib.CDeclCallback]
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delegate void InputDestroyNotify (IntPtr data);
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static void ReleaseGCHandle (IntPtr data)
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{
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try {
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if (data == IntPtr.Zero)
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return;
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GCHandle gch = (GCHandle) data;
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gch.Free ();
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} catch (Exception e) {
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GLib.ExceptionManager.RaiseUnhandledException (e, false);
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}
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}
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static InputDestroyNotify release_gchandle;
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[DllImport("libgdk-win32-2.0-0.dll")]
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static extern int gdk_input_add_full (int source, int condition, GdkSharp.InputFunctionNative function, IntPtr data, InputDestroyNotify destroy);
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[Obsolete]
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public static int AddFull (int source, Gdk.InputCondition condition, Gdk.InputFunction function, IntPtr data, Gdk.DestroyNotify destroy)
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{
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if (release_gchandle == null)
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release_gchandle = new InputDestroyNotify (ReleaseGCHandle);
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GdkSharp.InputFunctionWrapper function_wrapper = new GdkSharp.InputFunctionWrapper (function);
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GCHandle gch = GCHandle.Alloc (function_wrapper);
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return gdk_input_add_full (source, (int) condition, function_wrapper.NativeDelegate, (IntPtr) gch, release_gchandle);
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}
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[Obsolete]
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public static int Add (int source, Gdk.InputCondition condition, Gdk.InputFunction function)
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{
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if (release_gchandle == null)
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release_gchandle = new InputDestroyNotify (ReleaseGCHandle);
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GdkSharp.InputFunctionWrapper function_wrapper = new GdkSharp.InputFunctionWrapper (function);
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GCHandle gch = GCHandle.Alloc (function_wrapper);
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return gdk_input_add_full (source, (int) condition, function_wrapper.NativeDelegate, (IntPtr) gch, release_gchandle);
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}
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