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993d91fa31
* */*.cs : s/glue-2.0/glue-2 so that dllimport works on win32. * */*.custom : s/glue-2.0/glue-2 * */glue/makefile.win32 : s/glue-2.0/glue-2 * */glue/Makefile.am : s/glue-2.0/glue-2 svn path=/trunk/gtk-sharp/; revision=37324
343 lines
11 KiB
Plaintext
343 lines
11 KiB
Plaintext
// WARNING: This file is in UTF8 format due to the use of ã
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// XML.custom
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//
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// Author: Ricardo Fernández Pascual <ric@users.sourceforge.net>
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//
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// Copyright (c) 2002 Ricardo Fernández Pascual
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//
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// Field binding code by Rachel Hestilow <hestilow@ximian.com>
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// Copyright (c) 2003 Rachel Hestilow
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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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// keep this around so it doesn't get GC'd
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static GladeSharp.XMLCustomWidgetHandlerWrapper callback_wrapper = null;
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[DllImport("libglade-2.0-0.dll")]
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static extern void glade_set_custom_handler (GladeSharp.XMLCustomWidgetHandlerNative handler, IntPtr user_data);
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static public void SetCustomHandler (Glade.XMLCustomWidgetHandler handler)
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{
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callback_wrapper = new GladeSharp.XMLCustomWidgetHandlerWrapper (handler, null);
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glade_set_custom_handler (callback_wrapper.NativeDelegate, IntPtr.Zero);
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}
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[DllImport("gladesharpglue-2")]
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static extern IntPtr gtksharp_glade_xml_get_filename (IntPtr raw);
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public string Filename {
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get {
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string ret;
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IntPtr ptr = gtksharp_glade_xml_get_filename (Handle);
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if (ptr == IntPtr.Zero)
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{
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// from resource
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ret = System.Reflection.Assembly.GetCallingAssembly ().Location;
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}
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else
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{
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ret = Marshal.PtrToStringAnsi (ptr);
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}
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return ret;
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}
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}
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public Gtk.Widget this [string name] {
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get {
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return GetWidget (name);
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}
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}
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[DllImport("libglade-2.0-0.dll")]
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static extern IntPtr glade_get_widget_name (IntPtr widget);
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static public string GetWidgetName (Gtk.Widget w) {
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string ret;
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IntPtr ptr = glade_get_widget_name (w.Handle);
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if (ptr == IntPtr.Zero)
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ret = "";
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else
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ret = Marshal.PtrToStringAnsi (ptr);
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return ret;
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}
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[DllImport("libglade-2.0-0.dll")]
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static extern IntPtr glade_get_widget_tree (IntPtr widget);
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static public Glade.XML GetWidgetTree (Gtk.Widget w) {
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IntPtr ret_raw = glade_get_widget_tree (w.Handle);
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Glade.XML ret = GLib.Object.GetObject (ret_raw, false) as Glade.XML;
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return ret;
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}
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/* a constructor that reads the XML from a Stream */
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[DllImport("libglade-2.0-0.dll")]
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static extern IntPtr glade_xml_new_from_buffer(byte[] buffer, int size, string root, string domain);
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public XML (System.IO.Stream s, string root, string domain) : base (IntPtr.Zero)
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{
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if (GetType() != typeof (XML))
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throw new InvalidOperationException ("Can't chain to this constructor from subclasses.");
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if (s == null)
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throw new ArgumentNullException ("s");
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int size = (int) s.Length;
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byte[] buffer = new byte[size];
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s.Read (buffer, 0, size);
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Raw = glade_xml_new_from_buffer(buffer, size, root, domain);
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}
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public XML (string resource_name, string root) : this (System.Reflection.Assembly.GetEntryAssembly (), resource_name, root, null)
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{
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}
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public XML (System.Reflection.Assembly assembly, string resource_name, string root, string domain) : base (IntPtr.Zero)
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{
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if (GetType() != typeof (XML))
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throw new InvalidOperationException ("Cannot chain to this constructor from subclasses.");
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if (assembly == null)
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assembly = System.Reflection.Assembly.GetCallingAssembly ();
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System.IO.Stream s = assembly.GetManifestResourceStream (resource_name);
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if (s == null)
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throw new ArgumentException ("Cannot get resource file '" + resource_name + "'",
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"resource_name");
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int size = (int) s.Length;
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byte[] buffer = new byte[size];
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s.Read (buffer, 0, size);
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s.Close ();
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Raw = glade_xml_new_from_buffer(buffer, size, root, domain);
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}
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/* signal autoconnection using reflection */
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public void Autoconnect (object handler)
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{
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BindFields (handler);
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SignalConnector sc = new SignalConnector (this, handler);
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sc.Autoconnect ();
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}
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public void Autoconnect (Type handler_class)
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{
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BindFields (handler_class);
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SignalConnector sc = new SignalConnector (this, handler_class);
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sc.Autoconnect ();
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}
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class SignalConnector
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{
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/* the Glade.XML object whose signals we want to connect */
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XML gxml;
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/* the object to look for handlers */
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object handler_object;
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/* the type to look for handlers if no object has been specified */
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Type handler_type;
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public SignalConnector (XML gxml, object handler)
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{
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this.gxml = gxml;
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this.handler_object = handler;
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this.handler_type = handler.GetType ();
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}
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public SignalConnector (XML gxml, Type type)
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{
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this.gxml = gxml;
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this.handler_object = null;
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this.handler_type = type;
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}
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delegate void RawXMLConnectFunc (string handler_name, IntPtr objekt,
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string signal_name, string signal_data,
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IntPtr connect_object, int after, IntPtr user_data);
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[DllImport("libglade-2.0-0.dll")]
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static extern void glade_xml_signal_autoconnect_full (IntPtr raw, RawXMLConnectFunc func,
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IntPtr user_data);
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public void Autoconnect () {
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RawXMLConnectFunc cf = new RawXMLConnectFunc (ConnectFunc);
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glade_xml_signal_autoconnect_full (gxml.Handle, cf, IntPtr.Zero);
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}
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void ConnectFunc (string handler_name, IntPtr objekt_ptr,
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string signal_name, string signal_data,
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IntPtr connect_object_ptr, int after, IntPtr user_data) {
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GLib.Object objekt = GLib.Object.GetObject (objekt_ptr, false);
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/* if an connect_object_ptr is provided, use that as handler */
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object connect_object =
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connect_object_ptr == IntPtr.Zero
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? handler_object
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: GLib.Object.GetObject (connect_object_ptr, false);
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/* search for the event to connect */
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System.Reflection.MemberInfo[] evnts = objekt.GetType ().
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FindMembers (System.Reflection.MemberTypes.Event,
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System.Reflection.BindingFlags.Instance
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| System.Reflection.BindingFlags.Static
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| System.Reflection.BindingFlags.Public
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| System.Reflection.BindingFlags.NonPublic,
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signalFilter, signal_name);
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foreach (System.Reflection.EventInfo ei in evnts)
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{
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bool connected = false;
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System.Reflection.MethodInfo add = ei.GetAddMethod ();
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System.Reflection.ParameterInfo[] addpi = add.GetParameters ();
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if (addpi.Length == 1)
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{ /* this should be always true, unless there's something broken */
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Type delegate_type = addpi[0].ParameterType;
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/* look for an instance method */
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if (connect_object != null) try
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{
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Delegate d = Delegate.CreateDelegate
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(delegate_type, connect_object, handler_name);
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add.Invoke (objekt, new object[] { d } );
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connected = true;
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}
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catch (ArgumentException)
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{
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/* ignore if there is not such instance method */
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}
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/* look for a static method if no instance method has been found */
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if (!connected && handler_type != null) try
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{
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Delegate d = Delegate.CreateDelegate
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(delegate_type, handler_type, handler_name);
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add.Invoke (objekt, new object[] { d } );
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connected = true;
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}
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catch (ArgumentException)
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{
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/* ignore if there is not such static method */
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}
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if (!connected)
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{
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throw new HandlerNotFoundException (handler_name, signal_name, ei, delegate_type);
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}
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}
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}
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}
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System.Reflection.MemberFilter signalFilter = new System.Reflection.MemberFilter (SignalFilter);
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/* matches events to GLib signal names */
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static bool SignalFilter (System.Reflection.MemberInfo m, object filterCriteria)
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{
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string signame = (filterCriteria as string);
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object[] attrs = m.GetCustomAttributes (typeof (GLib.SignalAttribute), true);
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if (attrs.Length > 0)
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{
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foreach (GLib.SignalAttribute a in attrs)
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{
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if (signame == a.CName)
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{
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return true;
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}
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}
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return false;
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}
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else
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{
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/* this tries to match the names when no attibutes are present.
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It is only a fallback. */
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signame = signame.ToLower ().Replace ("_", "");
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string evname = m.Name.ToLower ();
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return signame == evname;
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}
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}
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}
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private void BindFields (object target, Type type)
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{
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System.Reflection.BindingFlags flags = System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic;
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if (target != null)
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flags |= System.Reflection.BindingFlags.Instance;
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else
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flags |= System.Reflection.BindingFlags.Static;
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System.Reflection.FieldInfo[] fields = type.GetFields (flags);
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if (fields == null)
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return;
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foreach (System.Reflection.FieldInfo field in fields)
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{
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object[] attrs = field.GetCustomAttributes (typeof (WidgetAttribute), true);
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if (attrs == null || attrs.Length == 0)
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continue;
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// The widget to field binding must be 1:1, so only check
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// the first attribute.
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WidgetAttribute widget = (WidgetAttribute) attrs[0];
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if (widget.Specified) field.SetValue (target, GetWidget (widget.Name), flags, null, null);
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else field.SetValue (target, GetWidget (field.Name), flags, null, null);
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}
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}
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public void BindFields (object target)
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{
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BindFields (target, target.GetType ());
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}
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public void BindFields (Type type)
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{
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BindFields (null, type);
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}
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public static Glade.XML FromStream (System.IO.Stream stream, string root, string domain)
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{
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return new Glade.XML (stream, root, domain);
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}
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public static Glade.XML FromAssembly (
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System.Reflection.Assembly assembly, string resource_name, string root, string domain)
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{
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return new Glade.XML (assembly, resource_name, root, domain);
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}
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public static Glade.XML FromAssembly (string resource_name, string root, string domain)
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{
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return new Glade.XML (
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System.Reflection.Assembly.GetCallingAssembly (), resource_name, root, domain);
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}
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[DllImport("libglade-2.0-0.dll")]
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static extern IntPtr glade_xml_get_widget_prefix(IntPtr raw, string name);
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public Gtk.Widget[] GetWidgetPrefix(string name)
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{
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IntPtr raw_ret = glade_xml_get_widget_prefix(Handle, name);
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if (raw_ret == IntPtr.Zero)
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return new Gtk.Widget [0];
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GLib.List list = new GLib.List (raw_ret);
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Gtk.Widget[] result = new Gtk.Widget [list.Count];
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int i = 0;
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foreach (Gtk.Widget w in list)
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result [i++] = w;
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return result;
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}
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