Re: tuning widgets base size

[Tomaz Canabrava <tumaix gmail com>]

that`s not GTK, that`s Gtkmm,right?
dynamic_cast in C?!

On Mon, Mar 2, 2009 at 12:19 PM, Garth's KidStuff
<garthskidstuff gmail com> wrote:
> > But this doesn't work. What is the right solution of my problem? Finaly I
> want make widgets smaller than default widgets, like
> > toolbox widgets in The GIMP.
>
>
> void LXDialog::ShrinkWidgetFont(
>    Gtk::Widget* pCtrl, // [in] Control to shrink the text of
>    real scale) // [in] scale factor (should be < 1.0 to shrink control)
> {
>    // Different kinds of controls need different sub-objects' font resized
>    Gtk::Frame* pFrame = dynamic_cast<Gtk::Frame*>(pCtrl);
>    if (NULL != pFrame) // e.g. Frames have label widgets they use to
> display their text
>        pCtrl = pFrame->get_label_widget();
>    else
>    { // ...and radio buttons and check buttons are simply containers with a
> single label child
>        Gtk::Bin* pBin = dynamic_cast<Gtk::Bin*>(pCtrl);
>        if (NULL != pBin)
>            pCtrl = pBin->get_child();
>    }
>
>    Gtk::Label* pLabel = dynamic_cast<Gtk::Label*>(pCtrl);
>    if (NULL != pLabel)
>    { // Other controls might not have a label whose font we need to set
>        Glib::RefPtr<Pango::Context> pPangoContext =
> pLabel->get_pango_context();
>        Pango::FontDescription fontD =
> pPangoContext->get_font_description();
>        fontD.set_size((int)(scale * fontD.get_size()));
>        pLabel->modify_font(fontD);
>    }
>
> --
> Garth Upshaw
> Garth's KidStuff
> _______________________________________________
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> gtk-app-devel-list gnome org
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