The way I solve this is by actually subclassing GtkWindow for each window and then add pointers to the rest of the widgets in that window. To achieve the window interdependencies I either pass around pointers to other window or even cleaner, create signals that I send from one window and listen to in another windows. This is imho the proper "GObject" way of doing things, but I agree that the syntax is quite messy both for subclassing and for adding signals. This is why I use gob2 which makes it trivial both to subclass and to add new signals to a class.
Regards,
Dov
Regards,
Dov
2008/12/17 Tadej Borovšak <tadeboro@xxxxxxxxx>
Hi.
I think it's common practice in gtk programming to create structure of
all widgets that are needed across the application and then pass a
pointer to that structure to the callbacks that need access to GUI.
2008/12/16 Harinandan S <harinandans@xxxxxxxxx>:
> _______________________________________________> Hi All,
>
> I am using Gtk+ 2.12.2 and Glade 3. I create windows using glade3 and use
> GtkBuilder to create widgets. My application has many windows and each
> window has a builder object associated with this. At some point of time I
> have many windows open. I need to change some widgets in one window
> depending on changes done to other widgets in another window. For example in
> one window I show a label, the current file selected and if user changes the
> file using another window which has a file chooser dialog I'll update the
> label.
>
> This requires pointer to the label. There are multiple dependencies like
> this. Is there any way that I not maintain global variables and get the
> pointer to other widgets? I have instances where there are more than two
> windows open and multiple widget from other windows need to be accessed.
> Also I cannot have all of them in one builder since I cannot afford to spend
> memory to create all windows at a time.
>
> How to manage this and access different pointers in different windows?
> Regards,
> Harinandan S
>
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>
--
Tadej Borovšak
00386 (0)40 613 131
tadeboro@xxxxxxxxx
tadej.borovsak@xxxxxxxxx
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