[FR-devel] Re: FR UI problem with 2 windows

[Laurent Julliard]

Curt Hibbs wrote:
> I'm afraid that my understanding of FOX/FxRuby is probably about the same as
> yours, so I'm sending this to Lyle as well.
>
> Lyle, the main thing that is different here from a more traditional
> FOX/FXRuby app is that I discovered a workaround to the problem where the
> FOX UI blocks all other threads from running in the non-cygwin build of
> Ruby:
>
>     # This is called from FreeBASE Core
>     @plugin["/system/ui/messagepump"].set_proc  do
>       @app. runWhileEvents(self) if @running
>     end
>
> The one-line proc is called repeatedly from the main FreeRIDE loop. Could
> this be related to the problem that Laurent is experiencing? Either way, any
> assistance you can give him would be greatly appreciated.
>
> Curt

Curt,

Could you tell me what I should do remove this hack completely, just to 
see if ti makes a difference. In other words what would the code look 
like in freebase/core.rb and in plugins/System_GuiRenderFox/foxhacks.rb 
if there was no need for the message pump hack.

Laurent

> > -----Original Message-----
> > From: Laurent Julliard [mailto:address@hidden
> > Sent: Wednesday, June 12, 2002 5:56 AM
> > To: Curt Hibbs; Rich Kilmer; FreeRIDE Developers
> > Subject: FR UI problem with 2 windows
> >
> >
> > Curt, Rich
> >
> >   I'm contacting you directly because I have been fighting with a
> > problem in the implementation of the Databus Inspector (DBI) for the
> > last 2 days and I'm stuck.
> >
> > The way the DBI works is that when you select the "Databus Inspector"
> > item in the Tools Menu a second window pops up and remain on the desktop
> > as long as you don't close it. It is a second main window if you want.
> >
> > Now the problem is that when i create such a window there is aboslutely
> > no way by which I can make the window active. If I click on the tree
> > list showing the databus the window broder quickly flashes for a little
> > while, a beep can be heared but the main FR window remains the active one.
> >
> > One could think it is a FOX problem with 2 main windows but I tried to
> > write minimal piece of FOX code to validate the concept and it works
> > perfectly ok (See sample code below). So there is something wrong in FR
> > and it's probably in the way FOX events or focus or both are handled. Do
> > you have any idea on what could cause this problem?
> >
> > Do you think it could be linked with the message pump hack which plays
> > the role of a classical app.run() if I understand the code correctly
> >
> > Any idea/suggestion is welcome because it's really blocking the DBI
> > development
> >
> > Thanks for your help.
> >
> >
> > ------ 2 main window sample code ----------------
> > # Create a new application
> > app = FXApp.new("Browser", "FoxTest")
> >
> > # Open the display
> > app.init(ARGV)
> >
> > main = FXMainWindow.new(app, "Hello", nil, nil, DECOR_ALL)
> > button = FXButton.new(main, "&Hello, World!")# nil, app, FXApp::ID_QUIT)
> >
> >
> > button.connect(SEL_COMMAND) { |sender, sel, checked|
> >   main2 = FXMainWindow.new(app, "Hello2", nil, nil, DECOR_ALL)
> >   contents = FXHorizontalFrame.new(main2, LAYOUT_FILL_X|LAYOUT_FILL_Y)
> >   groupbox = FXGroupBox.new(contents, "Classes",
> >                             LAYOUT_FILL_X|LAYOUT_FILL_Y|FRAME_GROOVE)
> >   button2 = FXButton.new(groupbox, "&Hello, World2!", nil, app,
> > FXApp::ID_QUIT)
> >   main2.create
> >   main2.show
> > }
> >
> > app.create
> > main.show(PLACEMENT_SCREEN)
> >
> > app.run
> >
> > ---- end of code -----
> >
> > --
> > Laurent JULLIARD - Xerox R&T/SSTC/XPA - Open Source team
> > >> Host your Xerox Software project on CodeX: http://codex.xerox.com
> > >> address@hidden community: http://xww.linux.world.xerox.com
>
>
>
> .



--
Laurent JULLIARD - Xerox R&T/SSTC/XPA - Open Source team
>> Host your Xerox Software project on CodeX: http://codex.xerox.com
>> address@hidden community: http://xww.linux.world.xerox.com