2 * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 #ifndef __gtkardour_gauge_h__
20 #define __gtkardour_gauge_h__
24 #include "gtkmm2ext/cairo_widget.h"
26 class ArdourGauge : public CairoWidget
29 ArdourGauge (std::string const& max_text = "00.0%");
30 virtual ~ArdourGauge ();
32 void blink (bool onoff);
38 Level_WARN, /* yellow */
42 /* gauge's background, indicate alarming conditions eg. xrun */
43 virtual bool alert () const { return false; }
44 /* guage inidicator color */
45 virtual Status indicator () const = 0;
46 /* gauge level 0 <= level <= 1 */
47 virtual float level () const = 0;
49 virtual std::string tooltip_text () = 0;
52 void update (std::string const &);
55 void on_size_request (Gtk::Requisition*);
56 void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
58 Glib::RefPtr<Pango::Layout> _layout;