Re: [gtk-list] GtkText - how to delete text completely

[James A <jamesa demon net>]

"Michael J. Hammel" <mjhammel@fastlane.net> writes:

> The following code deletes text from the visible widget, but does not
> remove it from the "text" member of the GtkText data structure:
> 
>    len = gtk_text_get_length(GTK_TEXT(textwidget));
>    gtk_text_set_point(GTK_TEXT(textwidget), 0);
>    gtk_text_forward_delete(GTK_TEXT(textwidget), len);
> 
> Is this the proper way of deleteing all text from the text widget or is
> there some other routine that does this?  Do I need to manually free the
> storage in GtkText->text, along with updating the other relevent elements?
> 
> One thing I noticed is that the GtkText->text structure member still points to
> the old data, and if you type in the text widget the characters you type
> overwrite the buffer starting at the beginning of the buffer.  It looks
> like the widget is cleared but either the buffer pointed to by
> GtkText->text is not freed or (at least) its not null terminated at the
> first byte.
> 
> On a similar question:  I can get to the text by using GtkText->text, but
> is that the way I'm supposed to get to it?  Or is there a routine for
> accessing it opaquely?  I looked at all the routines in gtktext.c, but none
> seemed to fit the bill (or maybe my eyes were just glazing over - hard to
> tell, I've missed a lot of obvious stuff lately).

gtk_editable_get_chars()

 My sticky-notes program uses this, the wmclass call and the raise
call. So you might want to have a look at it.

crazylands.org:/pub/nevyn/sticky-notes-0.2/

-- 
# James Antill -- jamesa@demon.net
:0:
* ^From: .*jamesa@demon.net
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