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2001-09-19 Mike Kestner <mkestner@speakeasy.net>

Browse source 
* HACKING : New rulez.
	* NOTES: Killed.  We have a mailing list now for this kind of stuff.
	* glib/makefile : New, to build the new glib-sharp.dll target.
	* glib/Object.cs : (GetObject): Commented out. Design problems here.
	IntPtr's can't be used in the manner this code attempts to use them.
	(Data prop): Commented out.  Apparently keyed properties are not
	supported.
	(Object prop): Renamed RawObject, and made it protected.
	(Events): Fixed to cause list to be initialized if null and then
	return the list.
	* glib/ObjectManager.cs : commented out entirely.  Not sure what this
	code is trying to accomplish and it doesn't compile.
	* glib/Value.cs : New attempt at implementing GValues. Doesn't work
	yet.
	* gtk/Button.cs : Updated to use RawObject.
	(Clicked event): s/EmitDeleteEvent/EmitClickedEvent.
	(Button(String)): s/gtk_label_new_with_lable/gtk_button_new_with_label.
	* gtk/Label.cs : Fixed some yank and paste errors where 2 value params
	were getting passed to all the set_* property methods.
	* gtk/Window.cs : Fixed hanging GTK namespace ref.
	* sample/HelloWorld.cs : Fixed hanging GTK namespace ref.

svn path=/trunk/gtk-sharp/; revision=884
This commit is contained in:
Mike Kestner 2001-09-19 11:37:15 +00:00
parent b4c11b3210
commit 91c58501fa
16 changed files with 244 additions and 112 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

33
ChangeLog
View file

@ -1,3 +1,36 @@
2001-09-19 Mike Kestner <mkestner@speakeasy.net>
* HACKING : New rulez.
* NOTES: Killed. We have a mailing list now for this kind of stuff.
* glib/makefile : New, to build the new glib-sharp.dll target.
* glib/Object.cs : (GetObject): Commented out. Design problems here.
IntPtr's can't be used in the manner this code attempts to use them.
(Data prop): Commented out. Apparently keyed properties are not
supported.
(Object prop): Renamed RawObject, and made it protected.
(Events): Fixed to cause list to be initialized if null and then
return the list.
* glib/ObjectManager.cs : commented out entirely. Not sure what this
code is trying to accomplish and it doesn't compile.
* glib/Value.cs : New attempt at implementing GValues. Doesn't work
yet.
* gtk/Button.cs : Updated to use RawObject.
(Clicked event): s/EmitDeleteEvent/EmitClickedEvent.
(Button(String)): s/gtk_label_new_with_lable/gtk_button_new_with_label.
* gtk/Label.cs : Fixed some yank and paste errors where 2 value params
were getting passed to all the set_* property methods.
* gtk/Window.cs : Fixed hanging GTK namespace ref.
* sample/HelloWorld.cs : Fixed hanging GTK namespace ref.
2001-09-18 Bob Smith <bob@thestuff.net>
* glib/Object.cs : Moved parts of gtk/Object.cs here, and added
static GetObject method and a Data property.
* glib/ObjectManager.cs : New.
* gtk/Object.cs : removed some GObject wrapping code.
* gtk/*.cs : Updated namespace from GTK to Gtk.
2001-09-18 Bob Smith <bob@thestuff.net>
* gtk/Object.cs : Added EventList and Object properties.

19
HACKING Executable file
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@ -0,0 +1,19 @@
Please please please hack on gtk-sharp.
Okay, now for the details.
Prior to checking anything into CVS, please send a patch to the mailing list
(gtk-sharp-list@ximian.com) for approval. Any patches should be submitted in
diff -u format. Also, it is assumed that the submitter has verified that the
patch does not break the build, and hopefully that it doesn't break runtime.
Second, patches without Documentation comments will be seriously frowned upon,
if not outright rejected. All classes, methods, properties, events, etc...
that are non-private should be documented with XML comment tags. At a minimum,
the summary and remarks tags, plus returns and params, if applicable.
Third, Make a ChangeLog entry. Get credit for your hard work, and let me know
who I need to get cranky with at a glance, instead of having to do cvs history
reports. :-)
Fourth, please please please hack on gtk-sharp.

39
NOTES
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@ -1,39 +0,0 @@
Mike,
We have some problems. Some methods are going to return a gtk widget which
will need to be wrapped again into a c# class. This will have a nasty
reaction when callbacks are added to the wrapper, then the wrapper is nuked
when complete. It will leave a rogue pointer of some kind laying around, and
callbacks won't work as expected.
Proposed solution:
Every GTK# class is a wrapper class. With a constructor for a GtkWidget* and
one for a default _new. Events are done as in CVS, except that the events
object will need to be bound to the GtkWidget owning it, and when a wrapper
is created, that Events object is resurected. This way, even if there is no
wrapper in existance, signals will function properly, and multiple wrappers
will work properly too. The event object will register a delete signal with
the widget so that when its nuked, it has a chance to free itself. Are we
going to have to tell the garbage collector to stay away from this class?
We might need our own class for this, and this class might not be able to be
written in c#.
Problem number two is with taking an arbitrary GtkWidget, and constructing a
wrapper as needed. Which wrapper is created? A simple GtkWidget wouldnt work
too well if the GtkWidget is really a button. We need to deside how to
handle this. Should we just return a GtkWidget, and force the developer to
pass the GtkWidget back to a constructor for the desided apon Widget wrapper?
How does gtk itself deal with this? Are we going to need a database of
widget wrappers for this?
Posible solution:
How does (ToType)GtkWidget work in c#. If the type you want to cast from is
not of the right type, but the ToType contains a constructor for GtkWidget,
will the cast succeed? If so, this will work quite nicely. Everything is a
GtkWidget object, and cast bindings as needed. If this does not work, can
the cast operator be overridden some how? If so, good deal. If not again,
see if System.Reflection has anything that will help in conjunction with the
GTK Type system.
Bob

3
glib/.cvsignore Executable file
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@ -0,0 +1,3 @@
*.dll
*.exe

30
glib/Object.cs
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@ -4,12 +4,15 @@
//
// (c) 2001 Bob Smith
namespace Glib {
namespace GLib {
using System;
using System.ComponentModel;
using System.Runtime.InteropServices;
public class Object {
/*
public static Object GetObject(IntPtr o)
{
if (o == null) throw new ArgumentNullException ();
@ -22,18 +25,15 @@ namespace Glib {
{
Object = o;
}
protected IntPtr _obj;
*/
private IntPtr _obj;
private IntPtr Object
{
get
protected IntPtr RawObject
{
get {
return _obj;
}
set
{
if (value == null) throw new ArgumentNullException ();
_objectManager = null;
set {
_obj = value;
}
}
@ -41,18 +41,19 @@ namespace Glib {
private EventHandlerList _events;
protected EventHandlerList Events
{
get
{
if (_events != null) return _events;
get {
if (_events == null)
_events = new EventHandlerList ();
return _events;
}
}
[DllImport("gtk-1.3")]
/*
[DllImport("gobject-1.3")]
static extern IntPtr g_object_get_data (
IntPtr object,
String key );
[DllImport("gtk-1.3")]
[DllImport("gobject-1.3")]
static extern void g_object_set_data (
IntPtr object,
String key,
@ -76,7 +77,6 @@ namespace Glib {
IntPtr data,
DestroyNotify destroy );
/*
void (*GObjectGetPropertyFunc) (GObject *object,
guint property_id,

10
glib/ObjectManager.cs
View file

@ -4,15 +4,14 @@
//
// (c) 2001 Bob Smith
namespace Glib {
namespace GLib {
using System;
using System.Runtime.InteropServices;
protected delegate void DestroyNotify (IntPtr data);
/*
public class ObjectManager {
public ObjectManager(IntPtr o, Glib.Object go)
public ObjectManager(IntPtr o, Object go)
{
if (o == null || go -- null) throw new ArgumentNullException ();
_gobj = go;
@ -23,6 +22,8 @@ namespace Glib {
}
public Glib.Object gobj;
protected delegate void DestroyNotify (IntPtr data);
private void DestroyNotifyEvent (IntPtr data)
{
gobj.gh.Free();
@ -30,4 +31,5 @@ namespace Glib {
}
}
*/
}

77
glib/Value.cs Executable file
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@ -0,0 +1,77 @@
// GLib.GValue.cs - GLib Value class implementation
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
// (c) 2001 Mike Kestner
namespace GLib {
using System;
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential)]
public struct GValueStruct {
uint type;
IntPtr data1;
IntPtr data2;
IntPtr data3;
IntPtr data4;
}
public class GValue {
GValueStruct _val;
/// <summary>
/// GValue Constructor
/// </summary>
///
/// <remarks>
/// Constructs a GValue from a string.
/// </remarks>
[DllImport("gobject-1.3")]
static extern void g_value_set_string (ref GValueStruct val,
String data);
public GValue (String data)
{
g_value_set_string (ref _val, data);
}
/// <summary>
/// GetString Method
/// </summary>
///
/// <remarks>
/// Extracts a string from a GValue. Note, this method
/// will produce an exception if the GValue does not hold a
/// string value.
/// </remarks>
[DllImport("gobject-1.3")]
static extern String g_value_get_string (ref GValueStruct val);
public String GetString ()
{
// FIXME: Insert an appropriate exception here if
// _val.type indicates an error.
return g_value_get_string (ref _val);
}
/// <summary>
/// ValueStruct Property
/// </summary>
///
/// <remarks>
/// Accesses a structure which can be easily marshalled
/// via PInvoke to set properties on GObjects.
/// </remarks>
public GValueStruct ValueStruct {
get {
return _val;
}
}
}
}

11
glib/makefile Executable file
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@ -0,0 +1,11 @@
CSC=/cygdrive/c/windows/microsoft.net/framework/v1.0.2914/csc.exe
all:
@echo "You must use 'make windows' or 'make unix'."
@echo "'make unix' is broken for now."
windows:
$(CSC) /unsafe /target:library /out:glib-sharp.dll /recurse:*.cs
unix:
@echo "'make unix' is broken for now."

8
gtk/Button.cs
View file

@ -18,7 +18,7 @@ namespace Gtk {
{
if (Events[ClickedEvent] == null)
{
ConnectSignal ("clicked", new SimpleCallback (EmitDeleteEvent));
ConnectSignal ("clicked", new SimpleCallback (EmitClickedEvent));
}
Events.AddHandler (ClickedEvent, value);
}
@ -48,7 +48,7 @@ namespace Gtk {
public Button (IntPtr o)
{
Object = o;
RawObject = o;
}
/// <summary>
@ -60,11 +60,11 @@ namespace Gtk {
/// </remarks>
[DllImport("gtk-1.3")]
static extern IntPtr gtk_label_new_with_label (String str);
static extern IntPtr gtk_button_new_with_label (String str);
public Button (String str)
{
Object = gtk_button_new_with_label (str);
RawObject = gtk_button_new_with_label (str);
}
}
}

40
gtk/Label.cs
View file

@ -21,7 +21,7 @@ namespace Gtk {
public Label (IntPtr o)
{
Object = o;
RawObject = o;
}
/// <summary>
@ -37,7 +37,7 @@ namespace Gtk {
public Label (String str)
{
Object = gtk_label_new (str);
RawObject = gtk_label_new (str);
}
/// <summary>
@ -49,18 +49,18 @@ namespace Gtk {
/// </remarks>
[DllImport("gtk-1.3")]
static extern void gtk_label_set_text (IntPtr hnd, const String str);
static extern void gtk_label_set_text (IntPtr hnd, String str);
[DllImport("gtk-1.3")]
static extern String gtk_label_get_text (IntPtr hnd);
public String Text {
get
{
return gtk_label_get_text (Object);
return gtk_label_get_text (RawObject);
}
set
{
gtk_label_set_text (Object, value);
gtk_label_set_text (RawObject, value);
}
}
@ -73,12 +73,12 @@ namespace Gtk {
/// </remarks>
[DllImport("gtk-1.3")]
static extern void gtk_label_set_markup (IntPtr hnd, const String str);
static extern void gtk_label_set_markup (IntPtr hnd, String str);
public String Markup {
set
{
gtk_label_set_markup (Object, value);
gtk_label_set_markup (RawObject, value);
}
}
@ -89,23 +89,23 @@ namespace Gtk {
/// <remarks>
/// Parsed content.
/// </remarks>
/*
[DllImport("gtk-1.3")]
static extern void gtk_label_set_label (IntPtr hnd, const String str);
static extern void gtk_label_set_label (IntPtr hnd, String str);
[DllImport("gtk-1.3")]
static extern String gtk_label_get_label (IntPtr hnd);
public String Label {
get
{
return gtk_label_get_label (Object);
return gtk_label_get_label (RawObject);
}
set
{
gtk_label_set_label (Object, value);
gtk_label_set_label (RawObject, value);
}
}
*/
/// <summary>
/// Selectable Property
/// </summary>
@ -122,11 +122,11 @@ namespace Gtk {
public bool Selectable {
get
{
return gtk_label_get_selectable (Object);
return gtk_label_get_selectable (RawObject);
}
set
{
gtk_label_set_selectable (Object, value, value);
gtk_label_set_selectable (RawObject, value);
}
}
@ -146,11 +146,11 @@ namespace Gtk {
public bool UseUnderline {
get
{
return gtk_label_get_use_underline (Object);
return gtk_label_get_use_underline (RawObject);
}
set
{
gtk_label_set_use_underline (Object, value, value);
gtk_label_set_use_underline (RawObject, value);
}
}
@ -170,11 +170,11 @@ namespace Gtk {
public bool UseMarkup {
get
{
return gtk_label_get_use_markup (Object);
return gtk_label_get_use_markup (RawObject);
}
set
{
gtk_label_set_use_markup (Object, value, value);
gtk_label_set_use_markup (RawObject, value);
}
}
@ -194,11 +194,11 @@ namespace Gtk {
public bool LineWrap {
get
{
return gtk_label_get_line_wrap (Object);
return gtk_label_get_line_wrap (RawObject);
}
set
{
gtk_label_set_line_wrap (Object, value, value);
gtk_label_set_line_wrap (RawObject, value);
}
}

7
gtk/Object.cs
View file

@ -7,11 +7,10 @@
namespace Gtk {
using System;
using System.Drawing;
using System.ComponentModel;
using System.Runtime.InteropServices;
public abstract class Object : Glib.Object {
public abstract class Object : GLib.Object {
protected delegate void SimpleCallback (IntPtr obj);
@ -25,7 +24,7 @@ namespace Gtk {
protected void ConnectSignal (string name, SimpleCallback cb)
{
gtk_signal_connect_full (obj, name, cb,
gtk_signal_connect_full (RawObject, name, cb,
new IntPtr (0), new IntPtr (0),
new IntPtr (0), 0, 0);
}

2
gtk/Widget.cs
View file

@ -61,7 +61,7 @@ namespace Gtk {
public void Show ()
{
gtk_widget_show (obj);
gtk_widget_show (RawObject);
}
}

69
gtk/Window.cs
View file

@ -1,4 +1,4 @@
// GTK.Window.cs - GTK Window class implementation
// Gtk.Window.cs - GTK Window class implementation
//
// Author: Mike Kestner <mkestner@speakeasy.net>
//
@ -6,6 +6,7 @@
namespace Gtk {
using GLib;
using System;
using System.Drawing;
using System.Runtime.InteropServices;
@ -27,7 +28,7 @@ namespace Gtk {
public Window (IntPtr o)
{
Object = o;
RawObject = o;
}
/// <summary>
@ -39,11 +40,11 @@ namespace Gtk {
/// </remarks>
[DllImport("gtk-1.3")]
static extern IntPtr gtk_window_new (GTK.WindowType type);
static extern IntPtr gtk_window_new (WindowType type);
public Window ()
{
Object = gtk_window_new (WindowType.TopLevel);
RawObject = gtk_window_new (WindowType.TopLevel);
}
/// <summary>
@ -71,8 +72,13 @@ namespace Gtk {
/// </remarks>
public bool AllowGrow {
get {;}
set {;}
get {
GValue val = GetProp ("allow-grow");
return (val != 0);
}
set {
SetProp ("allow-grow", new GValue (value));
}
}
/// <summary>
@ -85,8 +91,13 @@ namespace Gtk {
/// </remarks>
public bool AllowShrink {
get {;}
set {;}
get {
GValue val = GetProp ("allow-shrink");
return (val != 0);
}
set {
SetProp ("allow-shrink", new GValue (value));
}
}
/// <summary>
@ -98,8 +109,13 @@ namespace Gtk {
/// </remarks>
public Size DefaultSize {
get {;}
set {;}
get {
GValue val = GetProp ("default-size");
return (val != 0);
}
set {
SetProp ("default-size", new GValue (value));
}
}
/// <summary>
@ -112,8 +128,13 @@ namespace Gtk {
/// </remarks>
public bool DestroyWithParent {
get {;}
set {;}
get {
GValue val = GetProp ("allow-grow");
return (val != 0);
}
set {
SetProp ("allow-grow", new GValue (value));
}
}
/// <summary>
@ -128,8 +149,13 @@ namespace Gtk {
/// </remarks>
public bool IsModal {
get {;}
set {;}
get {
GValue val = GetProp ("allow-grow");
return (val != 0);
}
set {
SetProp ("allow-grow", new GValue (value));
}
}
*/
/// <summary>
@ -148,7 +174,7 @@ namespace Gtk {
set
{
gtk_window_set_position (
obj, value.X, value.Y);
RawObject, value.X, value.Y);
}
}
@ -160,14 +186,15 @@ namespace Gtk {
/// The Title displayed in the Window's Title Bar.
/// </remarks>
[DllImport("gtk-1.3")]
static extern void gtk_window_set_title (IntPtr hnd,
String title);
[DllImport("gobject-1.3")]
static extern void g_object_set_property (String title,
ref GValueStruct vs);
public String Title {
set
{
gtk_window_set_title (Object, value);
set {
GValue val = new GValue (value);
GValueStruct vs = val.ValueStruct;
g_object_set_property ("title", ref vs);
}
}
}

2
gtk/makefile
View file

@ -5,7 +5,7 @@ all:
@echo "'make unix' is broken for now."
windows:
$(CSC) /unsafe /target:library /out:gtk-sharp.dll /recurse:*.cs
$(CSC) /unsafe /target:library /r:../glib/glib-sharp.dll /out:gtk-sharp.dll /recurse:*.cs
unix:
@echo "'make unix' is broken for now."

2
sample/HelloWorld.cs
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@ -6,7 +6,7 @@
namespace GtkSamples {
using GTK;
using Gtk;
using System;
public class HelloWorld {

2
sample/makefile
View file

@ -5,7 +5,7 @@ all:
@echo "'make unix' is broken for now."
windows:
$(CSC) /unsafe /out:gtk-hello-world.exe /r:../gtk/gtk-sharp.dll /recurse:*.cs
$(CSC) /unsafe /out:gtk-hello-world.exe /r:../glib/glib-sharp.dll /r:../gtk/gtk-sharp.dll /recurse:*.cs
unix:
@echo "'make unix' is broken for now."