mirror of
https://github.com/Ryujinx/GtkSharp.git
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![Mike Kestner](/assets/img/avatar_default.png)
* generator/ClassBase.cs : make MarshalType virtual. * generator/Parameters.cs : add Parameter class and Indexer. * generator/Signal.cs : Now use Parameters. (GetHandlerName): New abstraction of name handling. (GenerateDecls): use GetHandlerName. (GenComments): make private. (GenHandler): New. Generate custom event handlers and args. (Generate): use GenHandler. Pass args type to SignalHandler. * generate/SignalHandler.cs : store args type. Generate handler dependent args and use MulticastDelegate.DynamicInvoke. * generate/StructGen.cs : override MarshalType. * glib/SignalCallback.cs : store a MulticastDelegate and args type * sample/*.cs : use new DeleteEventHandler svn path=/trunk/gtk-sharp/; revision=5834
181 lines
5.4 KiB
C#
181 lines
5.4 KiB
C#
// GtkSharp.Generation.Signal.cs - The Signal Generatable.
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//
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// Author: Mike Kestner <mkestner@speakeasy.net>
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//
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// (c) 2001-2002 Mike Kestner
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namespace GtkSharp.Generation {
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using System;
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using System.Collections;
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using System.IO;
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using System.Xml;
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public class Signal {
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private string marsh;
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private string name;
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private XmlElement elem;
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private Parameters parms;
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private ClassBase container_type;
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public Signal (XmlElement elem, ClassBase container_type)
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{
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this.elem = elem;
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this.name = elem.GetAttribute ("name");
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if (elem["parameters"] != null)
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parms = new Parameters (elem["parameters"]);
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this.container_type = container_type;
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}
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public string Name {
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get {
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return name;
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}
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set {
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name = value;
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}
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}
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public bool Validate ()
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{
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marsh = SignalHandler.GetName(elem);
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if ((Name == "") || (marsh == "")) {
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Console.Write ("bad signal " + Name);
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Statistics.ThrottledCount++;
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return false;
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}
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if (parms != null && !parms.Validate ())
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return false;
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return true;
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}
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public void GenerateDecl (StreamWriter sw)
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{
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string argsname;
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string handler = GetHandlerName (out argsname);
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if (handler != "EventHandler")
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handler = "GtkSharp." + handler;
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GenComments (sw);
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if (elem.HasAttribute("new_flag") || (container_type != null && container_type.GetSignalRecursively (Name) != null))
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sw.Write("new ");
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sw.WriteLine ("\t\tevent " + handler + " " + Name + ";");
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}
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private void GenComments (StreamWriter sw)
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{
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sw.WriteLine();
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sw.WriteLine("\t\t/// <summary> " + Name + " Event </summary>");
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sw.WriteLine("\t\t/// <remarks>");
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// FIXME: Generate some signal docs
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sw.WriteLine("\t\t/// </remarks>");
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}
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private string GetHandlerName (out string argsname)
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{
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if (marsh == "voidObjectSignal") {
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argsname = "EventArgs";
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return "EventHandler";
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}
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argsname = Name + "Args";
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return Name + "Handler";
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}
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private string GenHandler (out string argsname)
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{
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string handler = GetHandlerName (out argsname);
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if (handler == "EventHandler")
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return handler;
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char sep = Path.DirectorySeparatorChar;
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string dir = ".." + sep + container_type.NS.ToLower() + sep + "generated";
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if (!Directory.Exists (dir))
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Directory.CreateDirectory (dir);
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string filename = dir + sep + "GtkSharp." + handler + ".cs";
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FileStream stream = new FileStream (filename, FileMode.Create, FileAccess.Write);
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StreamWriter sw = new StreamWriter (stream);
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sw.WriteLine ("// Generated File. Do not modify.");
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sw.WriteLine ("// <c> 2001-2002 Mike Kestner");
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sw.WriteLine ();
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sw.WriteLine ("namespace GtkSharp {");
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sw.WriteLine ();
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sw.WriteLine ("\tusing System;");
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sw.WriteLine ();
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sw.WriteLine ("\t/// <summary> " + handler + " Delegate </summary>");
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sw.WriteLine ("\t/// <remarks>");
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sw.WriteLine ("\t///\tDelegate signature for " + Name + " Event handlers");
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sw.WriteLine ("\t/// </remarks>");
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sw.WriteLine ();
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sw.WriteLine ("\tpublic delegate void " + handler + "(object o, " + argsname + " args);");
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sw.WriteLine ();
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sw.WriteLine ("\t/// <summary> " + argsname + " Class </summary>");
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sw.WriteLine ("\t/// <remarks>");
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sw.WriteLine ("\t///\tArguments for " + Name + " Event handlers");
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sw.WriteLine ("\t/// </remarks>");
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sw.WriteLine ();
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sw.WriteLine ("\tpublic class " + argsname + " : GtkSharp.SignalArgs {");
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if (parms != null) {
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for (int i = 1; i < parms.Count; i++) {
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sw.WriteLine ("\t\tpublic " + parms[i].CSType + " " + parms[i].StudlyName + "{");
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sw.WriteLine ("\t\t\tget {");
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sw.WriteLine ("\t\t\t\treturn (" + parms[i].CSType + ") Args[" + (i - 1) + "];");
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sw.WriteLine ("\t\t\t}");
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sw.WriteLine ("\t\t}");
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sw.WriteLine ();
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}
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}
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sw.WriteLine ("\t}");
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sw.WriteLine ("}");
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sw.Close ();
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argsname = "GtkSharp." + argsname;
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return "GtkSharp." + handler;
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}
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public void Generate (StreamWriter sw, ClassBase implementor, bool gen_docs)
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{
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string cname = "\"" + elem.GetAttribute("cname") + "\"";
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string qual_marsh = "GtkSharp." + marsh;
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if (gen_docs)
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GenComments (sw);
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string argsname;
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string handler = GenHandler (out argsname);
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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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sw.WriteLine("event " + handler + " " + Name + " {");
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sw.WriteLine("\t\t\tadd {");
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sw.WriteLine("\t\t\t\tif (EventList[" + cname + "] == null)");
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sw.Write("\t\t\t\t\tSignals[" + cname + "] = new " + qual_marsh);
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sw.Write("(this, Handle, " + cname + ", value, System.Type.GetType(\"" + argsname);
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if (argsname != "EventArgs")
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sw.Write("," + container_type.NS.ToLower() + "-sharp");
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sw.WriteLine("\"));");
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sw.WriteLine("\t\t\t\tEventList.AddHandler(" + cname + ", value);");
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sw.WriteLine("\t\t\t}");
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sw.WriteLine("\t\t\tremove {");
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sw.WriteLine("\t\t\t\tEventList.RemoveHandler(" + cname + ", value);");
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sw.WriteLine("\t\t\t\tif (EventList[" + cname + "] == null)");
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sw.WriteLine("\t\t\t\t\tSignals.Remove(" + cname + ");");
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sw.WriteLine("\t\t\t}");
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sw.WriteLine("\t\t}");
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sw.WriteLine();
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Statistics.SignalCount++;
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}
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}
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}
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