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2001-10-04 Mike Kestner <mkestner@speakeasy.net>

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* gdk/SimpleEvent.cs : Temporarily comment the GCHandle code until
	a layout is ready and exceptions can be avoided.
	* gtk/Widget.cs : Killed all the signal and event attaching methods.
	They never belonged here, and now they exist in the SimpleEvent.
	Add a Signals hash to hold refs of the Signal handlers. Killed default
	ctor and the dtor.  The event Add/Remove methods now create a
	SimpleEvent, stuff it in the hash, and remove it when the last handler
	disappears.

svn path=/trunk/gtk-sharp/; revision=1078
This commit is contained in:
Mike Kestner 2001-10-04 20:59:48 +00:00
parent bb326f46c9
commit 3c0213de88
3 changed files with 25 additions and 82 deletions
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11
ChangeLog
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@ -1,3 +1,14 @@
2001-10-04 Mike Kestner <mkestner@speakeasy.net>
* gdk/SimpleEvent.cs : Temporarily uncomment the GCHandle code until
a layout is ready and exceptions can be avoided.
* gtk/Widget.cs : Killed all the signal and event attaching methods.
They never belonged here, and now they exist in the SimpleEvent.
Add a Signals hash to hold refs of the Signal handlers. Killed default
ctor and the dtor. The event Add/Remove methods now create a
SimpleEvent, stuff it in the hash, and remove it when the last handler
disappears.
2001-10-04 Mike Kestner <mkestner@speakeasy.net>
* HACKING : Little bit of cleanup.

9
gdk/SimpleEvent.cs
View File

@ -1,8 +1,9 @@
// Gdk.Signals.SimpleEvent.cs - Gdk Simple Event Signal implementation
// Gdk.SimpleEvent.cs - Gdk Simple Event Signal implementation
//
// Author: Bob Smith <bob@thestuff.net>
// Mike Kestner <mkestner@speakeasy.net>
//
// (c) 2001 Bob Smith
// (c) 2001 Bob Smith and Mike Kestner
namespace Gdk {
using System;
@ -104,8 +105,10 @@ namespace Gdk {
if (_Delegate == null) {
_Delegate = new SimpleEventDelegate (
SimpleEventCallback);
/* FIXME: Exception thrown for lack of layout
_GCHandle = GCHandle.Alloc (
_Delegate, GCHandleType.Pinned);
*/
}
_key = _NextKey++;
@ -127,7 +130,9 @@ namespace Gdk {
_Instances.Remove (_key);
if (_Instances.Count == 0) {
/* FIXME: when the handle can be obtained
_GCHandle.Free();
*/
_Delegate = null;
}
}

87
gtk/Widget.cs
View File

@ -7,107 +7,34 @@
namespace Gtk {
using System;
using System.Collections;
using System.Runtime.InteropServices;
using GLib;
using Gdk;
public class Widget : Object {
public Widget() {}
~Widget()
{
/* FIXME: Find a valid way to Delete the handlers
foreach (EventHandler e in Events[DelEvName])
{
DeleteEvent -= e;
}
*/
}
private static readonly string DelEvName = "delete-event";
private Hashtable Signals = new Hashtable ();
public event EventHandler DeleteEvent {
add {
if (Events [DelEvName] == null)
ConnectSignal(DelEvName);
Signals [DelEvName] = new SimpleEvent (
this, RawObject,
DelEvName, value);
Events.AddHandler(DelEvName, value);
}
remove {
Events.RemoveHandler(DelEvName, value);
if (Events [DelEvName] == null)
DisconnectSignal (DelEvName);
}
}
/*
public void AddSimpleEvent(Object type, string name, EventHandler value)
{
if (Events[type] == null)
{
ConnectSimpleSignal(name, type);
}
Events.AddHandler(type, value);
}
public void RemoveSimpleEvent(Object type, string name, EventHandler value)
{
Events.RemoveHandler(type, value);
if (Events[type] == null)
{
DisconnectSimpleSignal(name, type);
Signals.Remove (DelEvName);
}
}
public void AddGdkSimpleEvent(Object type, string name, EventHandler value)
{
if (Events[type] == null)
{
ConnectGdkSimpleEventSignal(name, type);
}
Events.AddHandler(type, value);
}
public void RemoveGdkSimpleEvent(Object type, string name, EventHandler value)
{
Events.RemoveHandler(type, value);
if (Events[type] == null)
{
DisconnectGdkSimpleEventSignal(name, type);
}
}
*/
[DllImport("gtk-1.3.dll")]
static extern void gtk_signal_connect_full (
IntPtr obj, string evname,
SimpleDelegate cb, IntPtr unsupported,
String data, IntPtr destroycb,
int objsig, int after );
public void ConnectSignal(string name)
{
gtk_signal_connect_full(RawObject, name, SimpleSignal.Delegate,
new IntPtr (0), name,
new IntPtr (0), 0, 0);
}
public void DisconnectSignal(string name)
{
SimpleSignal.Unref();
}
/*
public void ConnectGdkSimpleSignal(string name, Object signal)
{
gtk_signal_connect_full(RawObject, name, SimpleEvent.Delegate,
new IntPtr (0), name,
new IntPtr (0), 0, 0);
}
public void DisconnectGdkSimpleSignal(string name, Object signal)
{
SimpleEvent.Unref();
}
*/
/// <summary>
/// Show Method
/// </summary>