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2001-11-25 Mike Kestner <mkestner@speakeasy.net>

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* codegen/defs-parse.pl (get_sighandler): gen the helper class. arg
	  passing and return value handling need beefing up still.
	* glib/SignalArgs.cs : New arg passing/ return value handling class.
	* glib/SignalCallback.cs (dtor): kill, this will be gen'd in the
	  subclasses. (ctor): prune down to two params.

svn path=/trunk/gtk-sharp/; revision=1438
This commit is contained in:
Mike Kestner 2001-11-25 17:06:27 +00:00
parent bb8d2c4ee9
commit 372e7ef7de
4 changed files with 147 additions and 13 deletions
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8
ChangeLog
View File

@ -1,3 +1,11 @@
2001-11-25 Mike Kestner <mkestner@speakeasy.net>
* codegen/defs-parse.pl (get_sighandler): gen the helper class. arg
passing and return value handling need beefing up still.
* glib/SignalArgs.cs : New arg passing/ return value handling class.
* glib/SignalCallback.cs (dtor): kill, this will be gen'd in the
subclasses. (ctor): prune down to two params.
2001-11-24 Mike Kestner <mkestner@speakeasy.net>
* codegen/defs-parse.pl : mkdir the glib/generated dir.

40
codegen/defs-parse.pl
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@ -525,7 +525,7 @@ sub gen_param_strings
sub get_sighandler
{
my ($def) = @_;
my ($key, $name, $sname, $dname, $dir, $ns, $nspace, $tok);
my ($key, $name, $dir, $ns, $nspace, $tok);
$def =~ /return-type \"(\w+)\"/;
my $ret = $1;
@ -566,8 +566,9 @@ sub get_sighandler
die "Whassup with $tok?";
}
}
$sname = $name . "Signal";
$dname = $name . "Delegate";
my $sname = $name . "Signal";
my $dname = $name . "Delegate";
my $cbname = $name . "Callback";
$sighandlers{$key} = $name;
@ -578,9 +579,38 @@ sub get_sighandler
foreach $ns (split (/,/, $usings{$nspace})) {
print SIGFILE "\tusing $ns;\n";
}
print SIGFILE "\tpublic delegate $marshaltypes{$ret} ";
print SIGFILE "\n\tpublic delegate $marshaltypes{$ret} ";
print SIGFILE "$dname($pinv, int key);\n\n";
print SIGFILE "}\n";
print SIGFILE "\tpublic class $sname : SignalCallback {\n\n";
print SIGFILE "\t\tprivate static $dname _Delegate;\n\n";
print SIGFILE "\t\tprivate static $maptypes{$ret} ";
print SIGFILE "$cbname($pinv, int key)\n\t\t{\n";
print SIGFILE "\t\t\tif (!_Instances.Contains(key))\n";
print SIGFILE "\t\t\t\tthrow new Exception(\"Unexpected signal key\");";
print SIGFILE "\n\n\t\t\t$sname inst = ($sname) _Instances[key];\n";
print SIGFILE "\t\t\tSignalArgs args = new SignalArgs ();\n";
print SIGFILE "\t\t\tinst._handler (inst._obj, args);\n";
if ($ret ne "none") {
print SIGFILE "\t\t\treturn ($maptypes{$ret}) args.RetVal;\n";
}
print SIGFILE "\t\t}\n\n";
print SIGFILE "\t\t[DllImport(\"gobject-1.3.dll\", ";
print SIGFILE "CharSet=CharSet.Ansi, ";
print SIGFILE "CallingConvention=CallingConvention.Cdecl)]\n";
print SIGFILE "\t\tstatic extern void g_signal_connect_data(";
print SIGFILE "IntPtr obj, IntPtr name, $dname cb, int key, IntPtr p,";
print SIGFILE " int flags);\n\n";
print SIGFILE "\t\tpublic $sname(GLib.Object obj, IntPtr raw, ";
print SIGFILE "String name, EventHandler eh) : base(obj, eh)";
print SIGFILE "\n\t\t{\n\t\t\tif (_Delegate == null) {\n";
print SIGFILE "\t\t\t\t_Delegate = new $dname($cbname);\n\t\t\t}\n";
print SIGFILE "\t\t\tg_signal_connect_data(raw, ";
print SIGFILE "Marshal.StringToHGlobalAnsi(name), _Delegate, _key, ";
print SIGFILE "new IntPtr(0), 0);\n\t\t}\n\n";
print SIGFILE "\t\t~$sname()\n{\t\t\t_Instances.Remove(_key);\n";
print SIGFILE "\t\t\tif(_Instances.Count == 0) {\n";
print SIGFILE "\t\t\t\t_Delegate = null;\n\t\t\t}\n\t\t}\n";
print SIGFILE "\t}\n}\n";
close (SIGFILE);
return $sighandlers{$key};

103
glib/SignalArgs.cs Normal file
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@ -0,0 +1,103 @@
// GtkSharp.SignalArgs.cs - Signal argument class implementation
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// (c) 2001 Mike Kestner
namespace GtkSharp {
using System;
using System.Collections;
/// <summary>
/// SignalArgs Class
/// </summary>
///
/// <remarks>
/// Arguments and return value for signals.
/// </remarks>
public class SignalArgs : EventArgs {
private object _ret;
private object[] _args;
/// <summary>
/// SignalArgs Constructor
/// </summary>
///
/// <remarks>
/// Creates a SignalArgs object with no return value and
/// no arguments.
/// </remarks>
public SignalArgs()
{
_ret = null;
_args = null;
}
/// <summary>
/// SignalArgs Constructor
/// </summary>
///
/// <remarks>
/// Creates a SignalArgs object with a return value and
/// no arguments.
/// </remarks>
public SignalArgs(object retval)
{
_ret = retval;
_args = null;
}
/// <summary>
/// SignalArgs Constructor
/// </summary>
///
/// <remarks>
/// Creates a SignalArgs object with a return value and
/// a list of arguments.
/// </remarks>
public SignalArgs(object retval, object[] args)
{
_ret = retval;
_args = args;
}
/// <summary>
/// Args Property
/// </summary>
///
/// <remarks>
/// A list of arguments.
/// </remarks>
public object[] Args {
get {
return _args;
}
set {
_args = value;
}
}
/// <summary>
/// RetVal Property
/// </summary>
///
/// <remarks>
/// The return value.
/// </remarks>
public object RetVal {
get {
return _ret;
}
set {
_ret = value;
}
}
}
}

9
glib/SignalCallback.cs
View File

@ -39,8 +39,7 @@ namespace GtkSharp {
/// Initializes instance data.
/// </remarks>
public SignalCallback (GLib.Object obj, IntPtr raw,
String name, EventHandler eh)
public SignalCallback (GLib.Object obj, EventHandler eh)
{
_key = _NextKey++;
_obj = obj;
@ -48,11 +47,5 @@ namespace GtkSharp {
_Instances [_key] = this;
}
// Destructor needed to release references from the instance
// table and unpin the delegate if no refs remain.
~SignalCallback ()
{
_Instances.Remove (_key);
}
}
}