Re: [Fxruby-users] A couple of questions

[Lyle J. <jl...@cf...>]

kel...@so... wrote:

> I have a couple of questions:
> 1) When I use PLACEMENT_MAXIMIZED (e.g., WT_MainWindow.new.show 
> PLACEMENT_MAXIMIZED) the window hides the Windows task bar and the 
> application's title bar is not fully visible.  Is this normal?  (Note 
> that this isn't what happens when you click on the maximize button in 
> the top right of the app's control box).

Will check this in awhile when I can get back to a Windows box...

> 2)  I'm not sure if this is a bug, but ... I've subclassed FXIconItem 
> (so I can do sorting).  If I want to create a new item, I can say 
> MySubClassedFXIconItem.new("string", myBigIcon, myMiniIcon, myObject).  
> The constructor for MySubClassedFXIconItem should be:
> def initialize(string, bigIcon, miniIcon, object)
> super(string, bigIcon, miniIcon, object)
> end
> but that gives a TypeError ("wrong argument type ... expected Data")
> However, this works:
> def initialize(string, bigIcon, miniIcon, object)
> super(string, bigIcon, miniIcon)
> self.data = object
> end
> so it's not a big deal.  But I think the first way is more elegant and 
> so I'm mentioning it.

This is definitely a bug, and I will add it to the list. Thanks very 
much for reporting this.

> 3)  I'm a using a "downArrow" and "upArrow" icon to show the header 
> that's being sorted in my FXIconList.  I create the icons (hold a 
> reference in an instance variable: ie, @upArrowIcon = 
> FXICOIcon.new(myApp, File.open("uparrow.ico", "rb").read())) but I don't 
> use them until a user clicks on the header.  But when I try to set the 
> icon, I get
> abnormal program termination
> WT_App.rb:22: [BUG] Segmentation fault
> ruby 1.8.0 (2003-08-04) [i386-mswin32]
> However, if I create the icons and attach them to, say, a menu item, I 
> can now use them when the user clicks on a header (without changing 
> anything else).  Is this a GC issue?  Or is it that I'm doing something 
> wrong?

You probably need to call create() on those icons first. Please see this 
question from the FAQ:

     http://fox-toolkit.org/faq.html#ILLEGALICON

Hope this helps,

Lyle