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/*
* Copyright 1998-2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <gtkmm/adjustment.h>
#include <gtk/gtk.h>
#include <math.h>
#include <cstring> //For strlen()
#include <memory>
using std::strlen;
namespace Gtk
{
Scale::Scale(Orientation orientation)
:
_CONSTRUCT_SPECIFIC(Range, Scale, "orientation", (GtkOrientation)(orientation))
{
}
Scale::Scale(const Glib::RefPtr<Adjustment>& adjustment, Orientation orientation)
:
_CONSTRUCT_SPECIFIC(Range, Scale, "adjustment", Glib::unwrap(adjustment), "orientation", (GtkOrientation)(orientation))
{
}
int Scale::calc_digits_(double step) const
{
int digits = 0;
//Copied from gtk_[h|v]scale_new_with_range():
if (fabs (step) >= 1.0 || step == 0.0)
digits = 0;
else {
digits = abs ((int) floor (log10 (fabs (step))));
if (digits > 5)
digits = 5;
}
return digits;
}
} // namespace Gtk
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