Re: Calculating the size of TextView

[Andrew Potter <agpotter gmail com>]

I did a little investigating today. This bug is fixed in the latest. I git
bisected and found out that the commit that makes it work
is 15be68054074bc, which was in 3.5.1. So I gtk 3.6 should work for you.


On Fri, Nov 23, 2012 at 10:53 AM, Andrew Potter <agpotter gmail com> wrote:

> I've run into this before myself [1]. Seems to happen only when you add
> the Textview to an already show()n parent, as you are doing by adding it
> with a button click.
>
> I gave up and used a label. They work fine.
>
> [1]
> https://mail.gnome.org/archives/gtk-devel-list/2012-September/msg00034.html
>
>
> On Sun, Nov 18, 2012 at 12:28 PM, Johan Mattsson <
> johan mattsson m gmail com> wrote:
>
> > Hi
> > I am working on a GTK application that creates a form with many text
> > areas in it. It seems to work fine until I add my widgets to a
> > scrolled pane. Like this:
> >
> > test.vala:
> >
> > using Gtk;
> >
> > class MainWindow : Gtk.Window {
> >
> >         Box vbox = new Box (Orientation.VERTICAL, 5);
> >
> >         public MainWindow () {
> >                 set_default_size (700, 600);
> >
> >                 Button b = new Button ();
> >                 b.clicked.connect (add_text_field);
> >                 vbox.pack_start (b, false, false, 0);
> >
> >                 ScrolledWindow scrolled = new ScrolledWindow (null, null);
> >                 scrolled.set_policy (PolicyType.AUTOMATIC,
> > PolicyType.AUTOMATIC);
> >                 scrolled.add_with_viewport (vbox);
> >
> >                 add (scrolled);
> >                 show_all ();
> >         }
> >
> >         void add_text_field () {
> >                 TextView text_view1 = new TextView ();
> >                 TextBuffer text_buffer = new TextBuffer (null);
> >                 text_buffer.set_text ("""A long text ... A long text ...
> > A long text
> > ... A long text ... A long text ... A long text ... A long text ... A
> > long text ... A long text ... A long text ... A long text ... A long
> > text ... A long text ... A long text ... A long text ... A long text
> > ... A long text ... A long text ... A long text ... A long text ... A
> > long text ... A long text ... A long text ... A long text ... A long
> > text ... A long text ... A long text ... A long text ... A long text
> > ... A long text ... A long text ... A long text ... A long text ... A
> > long text ... A long text ... A long text ... A long text ... A long
> > text ... A long text """);
> >
> >                 text_view1.set_wrap_mode (WrapMode.WORD);
> >                 text_view1.set_buffer (text_buffer);
> >
> >                 vbox.pack_start (new Label ("New text view"), false,
> > false, 0);
> >                 vbox.pack_start (text_view1, false, false, 0);
> >                 show_all ();
> >         }
> > }
> >
> > public static void main(string[] args) {
> >         MainWindow m;
> >         Gtk.init (ref args);
> >         m = new MainWindow ();
> >         Gtk.main ();
> > }
> >
> > Compile with valac test.vala --pkg gtk+-3.0
> >
> > The height of the TextView is twice the number of lines in the box
> > when TextView is added to the box. GTK will resize TextView when it
> > gets focus.
> > Is there a way to force GTK to recalculate the size of TextView before
> > it receives focus?
> > /Johan
> > _______________________________________________
> > gtk-app-devel-list mailing list
> > gtk-app-devel-list gnome org
> > https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list