Thanks for this very helpful info - I agree we need a way to specify the direct translation of the field name and the precise custom attributes on the field.
Unfortunately there aren't really any workarounds in the current release, short of compiling up a new version of the compiler that sets the custom attributes on fields in the way you indicate.
Cheers
Don
Thanks a lot, I'm looking forward for new version :-)
Cheers,
Juraj
Hi Juraj,
Just to let you know that this has been fixed in our internal tree and the fix will be available in the next external release. Attributes that only apply to fields will now be attached to the generated field.
Thanks
Don
Hi Don,
Attributes (at least regarding glade) work perfectly with the latest fsharp 1.1.13.8 release. There is no need to initialize fields manually anymore :-).
Thanks again,
Juraj
Hi Don,
thanks a lot for information. I guess the new version will be out soon. :-)
Cheers,
Juraj
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Hello,
I'm a newbie playing a bit with fsharp on mono with {glade,gtk}-sharp. Idea is to create a simple gui application using glade and fsharp only. Glade uses reflection to connect controls to code so they can be used for data retrieval/event consuming with (nearly) zero effort. I run into following troubles however:
This is not a big problem since I can prepend the name of the field in glade with underscore
This is a problem because Glade.XML.Autoconnect() doesn't work as expected
- it uses reflection to find fields with [<Glade.WidgetAttribute>] attributes set, but it fails.
Is there any way how to fix/workaround the second problem?
Thanks in advance,
Juraj
PS: Relevant code samples:
This is a code used on fsharp side:
--- snip ---
open System
open Glade
open Gtk
type UIData = {
[<Glade.WidgetAttribute>] btn : Button;
}
with
member x.ExitHandler ((o,e):(Object*DeleteEventArgs)) = Application.Quit()
end
let _ =
let uiDataInstance = { btn = null; } in
let cs = new CSharpClass () in
let cs.ShowFields (uiDataInstance, uiDataInstance.GetType () ) in
()
--- snip ---
This is a code used on csharp side (an "adjusted" version of Glade.XML.Autoconnec() guts):
--- snip ---
using System;
using Gtk;
using Glade;
public class CSharpClass {
public void ShowFields (object target, Type type) {
System.Reflection.BindingFlags flags =
System.Reflection.BindingFlags.Public |
System.Reflection.BindingFlags.NonPublic;
if (target != null) {
Console.WriteLine("Using instance because target is not null");
flags |= System.Reflection.BindingFlags.Instance;
} else {
flags |= System.Reflection.BindingFlags.Static;
}
System.Reflection.FieldInfo[] fields = type.GetFields (flags);
if (fields == null) {
Console.WriteLine("Got null fields!");
return;
}
foreach (System.Reflection.FieldInfo field in fields) {
Console.WriteLine("field name: {0}", field.Name);
object[] attrs =
field.GetCustomAttributes (typeof (WidgetAttribute), false);
if (attrs == null) {
Console.WriteLine("\tattr is null");
continue;
} else if (attrs.Length == 0) {
Console.WriteLine("\tattrs length is 0");
continue;
}
WidgetAttribute attr = (WidgetAttribute) attrs[0];
if (attr.Specified) {
Console.WriteLine("\tattrs is specified: {0}", attr.Name);
} else {
Console.WriteLine("\tattrs is not specified");
}
}
}
}
--- snip ---
The output from program compiled from two files listed above is:
Using instance because target is not null
field name: _btn
attrs length is 0