[Glade-users] How can I call an element of one window from another window?

[Damon Chaplin]

> "TAZ Gravel, Emmanuel" wrote:
> 
> I'm trying to set callback functions in one window of an application
> so they have an effect on objects in other windows (all the same
> executable of course). The only way I've found up until now is to
> make the different window widgets as global variables within
> main.c, and creating them as extern globals in other sources,
> so I can access their different elements:
> 
> window1->container_widget5->entry3 (as an example) where
> window1 is a global everywhere. I've been browsing at the GTK+
> docs I've been able to find but nothing seems to indicate to
> me what the best course of action is yet.
> 
> Any ideas?

Using globals is OK for simple apps.

For complex apps where you want to avoid globals, you can use gtk_object_set_data()
etc. to store pointers to windows inside other windows.

But you need to ensure that the pointer is removed when the window is destroyed,
since it will become invalid.

Damon