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2003-12-08 Mike Kestner <mkestner@ximian.com>

Browse source 
* generator/Signal.cs : add virtual method generation for the
	default signal handlers.
	* glib/Object.cs : add g_signal_chain_from_overridden extern

svn path=/trunk/gtk-sharp/; revision=20920
This commit is contained in:
Mike Kestner 2003-12-09 05:01:22 +00:00
parent 2e339f93a1
commit bc37b4ff76
3 changed files with 63 additions and 1 deletions
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6
ChangeLog
View file

@ -1,3 +1,9 @@
2003-12-08 Mike Kestner <mkestner@ximian.com>
* generator/Signal.cs : add virtual method generation for the
default signal handlers.
* glib/Object.cs : add g_signal_chain_from_overridden extern
2003-12-08 Mike Kestner <mkestner@ximian.com>
* generator/VMSignature.cs : new class to generate virtual method

55
generator/Signal.cs
View file

@ -2,7 +2,7 @@
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// (c) 2001-2002 Mike Kestner
// (c) 2001-2003 Mike Kestner, (c) 2003 Novell, Inc.
namespace GtkSharp.Generation {
@ -96,6 +96,26 @@ namespace GtkSharp.Generation {
}
}
private bool IsVoid {
get {
return ReturnType == "void";
}
}
private string MarshalReturnType {
get {
string ctype = elem ["return-type"].GetAttribute("type");
return SymbolTable.Table.GetMarshalType (ctype);
}
}
private string ReturnType {
get {
string ctype = elem ["return-type"].GetAttribute("type");
return SymbolTable.Table.GetCSType (ctype);
}
}
public void GenEventHandler (GenerationInfo gen_info)
{
if (EventHandlerName == "EventHandler")
@ -128,6 +148,38 @@ namespace GtkSharp.Generation {
sw.Close ();
}
private void GenVirtualMethod (StreamWriter sw)
{
VMSignature vmsig = new VMSignature (parms);
sw.WriteLine ("\t\tprotected virtual {0} {1} ({2})", ReturnType, "On" + Name, vmsig.ToString ());
sw.WriteLine ("\t\t{");
if (!IsVoid)
sw.WriteLine ("\t\t\tGLib.Value ret = new GLib.Value ();");
sw.WriteLine ("\t\t\tIntPtr[] args = new IntPtr [" + parms.Count + "];");
sw.WriteLine ("\t\t\targs [0] = Handle;");
sw.WriteLine ("\t\t\tGLib.Value[] vals = new GLib.Value [" + (parms.Count - 1) + "];");
string cleanup = "";
for (int i = 1; i < parms.Count; i++) {
if (parms [i].PassAs == "out") {
sw.WriteLine ("\t\t\tvals [" + (i - 1) + "] = new GLib.Value ();");
cleanup += "\t\t\t" + parms [i].Name + " = (" + parms [i].CSType + ") vals [" + (i - 1) + "];\n";
} else if (parms [i].IsLength && parms [i - 1].IsString)
sw.WriteLine ("\t\t\tvals [" + (i - 1) + "] = new GLib.Value (" + parms [i-1].Name + ".Length);");
else
sw.WriteLine ("\t\t\tvals [" + (i - 1) + "] = new GLib.Value (" + parms [i].Name + ");");
sw.WriteLine ("\t\t\targs [" + i + "] = vals [" + (i - 1) + "].Handle;");
}
sw.WriteLine ("\t\t\tg_signal_chain_from_overridden (args, " + (IsVoid ? "IntPtr.Zero " : "ret.Handle ") + ");");
if (cleanup != "")
sw.WriteLine (cleanup);
if (!IsVoid)
sw.WriteLine ("\t\t\treturn (" + ReturnType + ") ret;");
sw.WriteLine ("\t\t}\n");
}
public void Generate (GenerationInfo gen_info, ClassBase implementor)
{
StreamWriter sw = gen_info.Writer;
@ -140,6 +192,7 @@ namespace GtkSharp.Generation {
ns = implementor.NS;
sig_handler.Generate (ns, gen_info);
GenVirtualMethod (sw);
string qual_marsh = ns + "Sharp." + sig_handler.Name;
sw.WriteLine("\t\t[GLib.Signal("+ cname + ")]");

3
glib/Object.cs
View file

@ -361,6 +361,9 @@ namespace GLib {
g_object_set_property (Raw, name, val.Handle);
}
[DllImport("libgobject-2.0-0.dll")]
protected static extern void g_signal_chain_from_overridden (IntPtr[] args, IntPtr retval);
[DllImport("gtksharpglue")]
static extern bool gtksharp_is_object (IntPtr obj);