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.mattsso...@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 > _______________________________________________ gtk-app-devel-list mailing list gtk-app-devel-list@gnome.org https://mail.gnome.org/mailman/listinfo/gtk-app-devel-list
