mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-07-30 06:32:08 +02:00
2002-09-13 Ricardo Fernndez Pascual <ric@users.sourceforge.net>
* glade/HandlerNotFoundExeception.cs: Added. * glade/Makefile.in * glade/XML.custom: Support for autoconnecting signals using reflection. * glib/SignalAttribute.cs: Added. * generator/Signal.cs: Mark events generated from glib signals with the "Signal" attribute. * sample/GladeTest.cs * sample/Makefile.in * sample/test.glade: Test of signal autoconnection. svn path=/trunk/gtk-sharp/; revision=7430
This commit is contained in:
Ricardo Fernández Pascual
parent
6b6bb616b2
commit
f1011f687e
13
ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2002-09-13 Ricardo Fernández Pascual <ric@users.sourceforge.net>
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* glade/HandlerNotFoundExeception.cs: Added.
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* glade/Makefile.in
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* glade/XML.custom: Support for autoconnecting signals using
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reflection.
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* glib/SignalAttribute.cs: Added.
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* generator/Signal.cs: Mark events generated from glib signals
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with the "Signal" attribute.
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* sample/GladeTest.cs
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* sample/Makefile.in
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* sample/test.glade: Test of signal autoconnection.
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2002-09-12 Rachel Hestilow <hestilow@ximian.com>
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* sources/Gtk.metadata: Set null_ok on the callback argument
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@ -152,6 +152,7 @@ namespace GtkSharp.Generation {
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string argsname;
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string handler = GenHandler (out argsname);
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sw.WriteLine("\t\t[GLib.Signal("+ cname + ")]");
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sw.Write("\t\tpublic ");
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if (elem.HasAttribute("new_flag") || (container_type != null && container_type.GetSignalRecursively (Name) != null) || (implementor != null && implementor.GetSignalRecursively (Name) != null))
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sw.Write("new ");
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88
glade/HandlerNotFoundExeception.cs
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88
glade/HandlerNotFoundExeception.cs
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@ -0,0 +1,88 @@
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// HandlerNotFoundException.cs
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//
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// Author: Ricardo Fernández Pascual <ric@users.sourceforge.net>
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//
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// (c) 2002 Ricardo Fernández Pascual
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namespace Glade {
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using System;
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using System.Reflection;
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using System.Runtime.Serialization;
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/// <summary>
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/// Exception thrown when signal autoconnection fails.
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/// </summary>
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[Serializable]
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public class HandlerNotFoundException : Exception
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{
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string handler_name;
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string signal_name;
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EventInfo evnt;
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Type delegate_type;
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public HandlerNotFoundException (string handler_name, string signal_name,
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EventInfo evnt, Type delegate_type)
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{
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this.handler_name = handler_name;
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this.signal_name = signal_name;
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this.evnt = evnt;
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this.delegate_type = delegate_type;
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}
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protected HandlerNotFoundException (SerializationInfo info, StreamingContext context)
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: base (info, context)
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{
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handler_name = info.GetString ("HandlerName");
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signal_name = info.GetString ("SignalName");
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evnt = info.GetValue ("Event", typeof (EventInfo)) as EventInfo;
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delegate_type = info.GetValue ("DelegateType", typeof (Type)) as Type;
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}
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public override string Message
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{
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get {
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return "No handler " + handler_name + " found for signal " + signal_name;
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}
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}
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public string HandlerName
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{
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get {
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return handler_name;
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}
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}
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public string SignalName
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{
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get {
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return signal_name;
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}
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}
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public EventInfo Event
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{
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get {
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return evnt;
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}
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}
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public Type DelegateType
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{
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get {
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return delegate_type;
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}
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}
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public override void GetObjectData (SerializationInfo info, StreamingContext context)
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{
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base.GetObjectData (info, context);
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info.AddValue ("HandlerName", handler_name);
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info.AddValue ("SignalName", signal_name);
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info.AddValue ("Event", evnt);
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info.AddValue ("DelegateType", delegate_type);
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}
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}
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}
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@ -9,7 +9,7 @@ windows:
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linux: glade-sharp.dll
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glade-sharp.dll: generated/*.cs
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glade-sharp.dll: *.cs generated/*.cs
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$(MCS) --unsafe --target library -r System.Drawing -L ../glib -L ../pango -L ../atk -L ../gdk -L ../gtk -r glib-sharp.dll -r pango-sharp.dll -r atk-sharp.dll -r gdk-sharp.dll -r gtk-sharp.dll -o glade-sharp.dll --recurse '*.cs'
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clean:
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149
glade/XML.custom
149
glade/XML.custom
@ -45,4 +45,153 @@
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return ret;
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}
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/* signal autoconnection using reflection */
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/// <summary>Automatically connect signals</summary>
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/// <remarks>Connects the signals defined in the glade file with handler methods
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/// provided by the given object.</remarks>
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public void Autoconnect (object handler)
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{
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SignalConnector sc = new SignalConnector (this, handler);
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sc.Autoconnect ();
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}
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/// <summary>Automatically connect signals</summary>
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/// <remarks>Connects the signals defined in the glade file with static handler
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/// methods provided by the given type.</remarks>
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public void Autoconnect (Type handler_class)
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{
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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("glade-2.0")]
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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);
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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);
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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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41
glib/SignalAttribute.cs
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41
glib/SignalAttribute.cs
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//
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// SignalAttribute.cs
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//
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// Author:
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// Ricardo Fernández Pascual <ric@users.sourceforge.net>
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//
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// (C) Ricardo Fernández Pascual <ric@users.sourceforge.net>
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//
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namespace GLib {
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using System;
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/// <summary>
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/// Marks events genrated from glib signals
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/// </summary>
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///
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/// <remarks>
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/// This attribute indentifies events generated from glib signals
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/// and allows obtaining its original name.
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/// </remarks>
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[Serializable]
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public class SignalAttribute : Attribute
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{
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private string cname;
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public SignalAttribute (string cname)
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{
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this.cname = cname;
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}
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private SignalAttribute () {}
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public string CName
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{
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get {
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return cname;
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}
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}
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}
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}
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50
sample/GladeTest.cs
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50
sample/GladeTest.cs
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// GladeViewer.cs - Tests for LibGlade in C#
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//
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// Author: Ricardo Fernández Pascual <ric@users.sourceforge.net>
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//
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// (c) 2002 Ricardo Fernández Pascual
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namespace GladeSamples {
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using System;
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using Gtk;
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using Gnome;
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using Glade;
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using GtkSharp;
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public class GladeTest : Program
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{
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public static void Main (string[] args)
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{
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new GladeTest (args).Run ();
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}
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public GladeTest (string[] args, params object[] props)
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: base ("GladeTest", "0.1", Modules.UI, args, props)
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{
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Glade.XML gxml = new Glade.XML ("test.glade", "main_window", null);
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gxml.Autoconnect (this);
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}
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public void OnWindowDeleteEvent (object o, DeleteEventArgs args)
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{
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Quit ();
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args.RetVal = true;
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}
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public void OnButton1Clicked (Object b, EventArgs e)
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{
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Console.WriteLine ("Button 1 clicked");
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}
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public static void OnButton2Clicked (Object b, EventArgs e)
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{
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Console.WriteLine ("Button 2 clicked");
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}
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public void OnButton2Entered (Object b, EventArgs e)
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{
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Console.WriteLine ("Button 2 entered");
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}
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}
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}
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@ -6,7 +6,7 @@ MCS=mcs
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@ENABLE_GLADE_TRUE@ GLADE_PATH=-L ../glade
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@ENABLE_GLADE_TRUE@ GLADE_ASSEMBLY=-r glade-sharp.dll
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@ENABLE_GLADE_TRUE@ GLADE_TARGETS=glade-viewer.exe
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@ENABLE_GLADE_TRUE@ GLADE_TARGETS=glade-viewer.exe glade-test.exe
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local_paths=-L ../glib -L ../pango -L ../atk -L ../gdk -L ../gtk $(GNOME_PATH) $(GLADE_PATH)
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all_assemblies=-r glib-sharp.dll -r pango-sharp.dll -r atk-sharp.dll -r gdk-sharp.dll -r gtk-sharp.dll $(GNOME_ASSEMBLY) $(GLADE_ASSEMBLY) -r System.Drawing
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@ -50,6 +50,9 @@ treeviewdemo.exe: TreeViewDemo.cs
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glade-viewer.exe: GladeViewer.cs
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$(MCS) --unsafe -o glade-viewer.exe $(local_paths) $(all_assemblies) GladeViewer.cs
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glade-test.exe: GladeTest.cs
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$(MCS) --unsafe -o glade-test.exe $(local_paths) $(all_assemblies) GladeTest.cs
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clean:
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rm -f *.exe
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58
sample/test.glade
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58
sample/test.glade
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<?xml version="1.0" standalone="no"?> <!--*- mode: xml -*-->
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<!DOCTYPE glade-interface SYSTEM "http://glade.gnome.org/glade-2.0.dtd">
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<glade-interface>
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<widget class="GtkWindow" id="main_window">
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<property name="visible">True</property>
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<property name="title" translatable="yes">Glade# test</property>
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<property name="type">GTK_WINDOW_TOPLEVEL</property>
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<property name="window_position">GTK_WIN_POS_NONE</property>
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<property name="modal">False</property>
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<property name="resizable">True</property>
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<property name="destroy_with_parent">False</property>
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<signal name="delete_event" handler="OnWindowDeleteEvent" last_modification_time="Tue, 03 Sep 2002 14:47:57 GMT"/>
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<child>
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<widget class="GtkVBox" id="vbox1">
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<property name="visible">True</property>
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<property name="homogeneous">False</property>
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<property name="spacing">0</property>
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<child>
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<widget class="GtkButton" id="button1">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="label" translatable="yes">Click here</property>
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<property name="use_underline">True</property>
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<property name="relief">GTK_RELIEF_NORMAL</property>
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<signal name="clicked" handler="OnButton1Clicked" last_modification_time="Tue, 13 Aug 2002 15:24:35 GMT"/>
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</widget>
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<packing>
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<property name="padding">0</property>
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<property name="expand">False</property>
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<property name="fill">False</property>
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</packing>
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</child>
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<child>
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<widget class="GtkButton" id="button2">
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<property name="visible">True</property>
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<property name="can_focus">True</property>
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<property name="label" translatable="yes">Don't click here</property>
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<property name="use_underline">True</property>
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<property name="relief">GTK_RELIEF_NORMAL</property>
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<signal name="clicked" handler="OnButton2Clicked" last_modification_time="Tue, 13 Aug 2002 15:24:35 GMT"/>
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<signal name="enter" handler="OnButton2Entered" last_modification_time="Wed, 04 Sep 2002 14:04:40 GMT"/>
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</widget>
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<packing>
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<property name="padding">0</property>
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<property name="expand">False</property>
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<property name="fill">False</property>
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</packing>
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</child>
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</widget>
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</child>
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</widget>
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|
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</glade-interface>
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