Re: GtkEntry and numeric floating point input

[Olexiy Avramchenko <olexiy ctech cn ua>]

Neil Zanella wrote:

> Hello,
>
> I've got a GtkEntry and I need to confine user input into this widget
> to numeric values
> which will fit into the underlying C data types. What is the best way
> to do this? If the
> values were only allowed to be integers I'd use a GtkSpinBox (I think
> that's what it's
> called), but since they are now allowed to have decimal points etc...
> what should I
> do to be sure the user doesn't enter invalid data. What's the best way?
>  
Hi,

The best way is to use GtkSpinButton widget that works well with both 
fixed and floating point numbers.

Take a look at:
[GTK+-2.0 tutorial]
   http://www.gtk.org/tutorial/sec-spinbuttons.html
[GTK+-2.0 API Reference]
   http://developer.gnome.org/doc/API/2.0/gtk/GtkSpinButton.html
   
http://developer.gnome.org/doc/API/2.0/gtk/GtkSpinButton.html#gtk-spin-button-get-value
   
http://developer.gnome.org/doc/API/2.0/gtk/GtkSpinButton.html#gtk-spin-button-get-value-as-int

   Olexiy