Re: GTK, can GtkNotebook have a single control and all tabs pointing to it?

2015-02-09 Thread Gergely Polonkai
Hello,

I'm afraid this is not possible to do it this way; you will have to create
some kind of wrapper widget. I would go on with GtkStack, and for the tabs
themselves you may take a look into GtkStackSwitcher's source code.

Best,
Gergely
On 9 Feb 2015 14:43, Leo Ufimtsev lufim...@redhat.com wrote:

 Hello,

 I'm an SWT developer. We build SWT on top of GTK.

 In swt, some developers like to create a GtkNotebook (TabFolder) with many
 tabs but all pointing to the same control. (sigh, odd, I know...)

 The control is a viewer, and changing tabs changes the content of the
 viewer.

 However, in gtk I haven't been able to make this work. If I add the same
 child twice, it gives me warnings and errors:
   gtk_notebook_append_page (GTK_NOTEBOOK (notebook), child1, label1);
   gtk_notebook_append_page (GTK_NOTEBOOK (notebook), child1, label2);

 Warning:
 (gtk3_testing:17322): Gtk-WARNING **: Can't set a parent on widget which
 has a parent


 Theoretically speaking, can a GtkNotebook have tabs that all point to the
 same control? (and we just listen to tab-changing events)? Or is this
 impossible by principle of widget-hierarchy?

 Thank you

 Leo Ufimtsev | Intern Software Engineer @ Eclipse Team

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GTK+ Charts and Blueprint

2015-02-09 Thread zeta

Hi there.

I want to start a library  for creating interactive and animated charts 
with gtk I am going to create a project on  github but before I want to 
know if is there any library for create something like that? and if 
someone can tell me some advise of how to start or what should I do.


Also I want to create a Blueprint app for easily create mockups for 
Gnome, and mobile systems, something like evolus-pencil.


Regards, to everyone.

Miguel Angel



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GTK, can GtkNotebook have a single control and all tabs pointing to it?

2015-02-09 Thread Leo Ufimtsev
Hello, 

I'm an SWT developer. We build SWT on top of GTK.

In swt, some developers like to create a GtkNotebook (TabFolder) with many tabs 
but all pointing to the same control. (sigh, odd, I know...)

The control is a viewer, and changing tabs changes the content of the viewer.

However, in gtk I haven't been able to make this work. If I add the same child 
twice, it gives me warnings and errors:
  gtk_notebook_append_page (GTK_NOTEBOOK (notebook), child1, label1);
  gtk_notebook_append_page (GTK_NOTEBOOK (notebook), child1, label2);

Warning:
(gtk3_testing:17322): Gtk-WARNING **: Can't set a parent on widget which has a 
parent


Theoretically speaking, can a GtkNotebook have tabs that all point to the same 
control? (and we just listen to tab-changing events)? Or is this impossible by 
principle of widget-hierarchy?

Thank you

Leo Ufimtsev | Intern Software Engineer @ Eclipse Team

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