-/*
- * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#include "gtkmm2ext/utils.h"
-#include "widgets/tooltips.h"
-
-#include "ardour_gauge.h"
-#include "ui_config.h"
-
-#define PADDING 3
-
-ArdourGauge::ArdourGauge (std::string const& max_text)
-{
- _layout = Pango::Layout::create (get_pango_context ());
- _layout->set_text (max_text);
-}
-
-ArdourGauge::~ArdourGauge ()
-{
-}
-
-void
-ArdourGauge::on_size_request (Gtk::Requisition* req)
-{
- req->width = req->height = 0;
- CairoWidget::on_size_request (req);
-
- int w, h;
- _layout->get_pixel_size (w, h);
-
- req->width = std::max (req->width, 100 /*std::max (20, w + PADDING) */);
- req->height = std::max (req->height, std::max (12, h + PADDING));
-}
-
-void
-ArdourGauge::update ()
-{
- queue_draw ();
- ArdourWidgets::set_tooltip (*this, tooltip_text ());
-}
-
-void
-ArdourGauge::update (std::string const& txt)
-{
- _layout->set_text (txt);
- update ();
-}
-
-void
-ArdourGauge::blink (bool onoff)
-{
- _blink = onoff;
- queue_draw ();
-}
-
-void
-ArdourGauge::render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*)
-{
- cairo_t* cr = ctx->cobj ();
- Gtkmm2ext::Color bg = UIConfiguration::instance().color ("gtk_background");
- Gtkmm2ext::Color base = UIConfiguration::instance ().color ("ruler base");
- Gtkmm2ext::Color text = UIConfiguration::instance ().color ("ruler text");
-
- const int width = get_width ();
- const int height = get_height ();
-
- cairo_rectangle (cr, 0, 0, width, height);
- cairo_set_source_rgba (cr, 0,0,0,1 );
- cairo_fill (cr);
-
- cairo_rectangle (cr, 1, 1, width-2, height-2);
- Gtkmm2ext::set_source_rgba (cr, bg);
- cairo_fill (cr);
-
- if (alert () && _blink) {
- Gtkmm2ext::rounded_rectangle (cr, 1, 1, width - 2, height - 2, 1);
- cairo_set_source_rgba (cr, 0.5, 0, 0, 1.0);
- cairo_fill (cr);
- }
-
- cairo_rectangle (cr, PADDING, PADDING, width - PADDING - PADDING, height - PADDING - PADDING);
- cairo_clip (cr);
-
- const float lvl = level ();
-
- int bw = (width - PADDING - PADDING) * lvl;
- cairo_rectangle (cr, PADDING, PADDING, bw, height-PADDING);
-
- switch (indicator ()) {
- case Level_OK:
- break;
- case Level_WARN:
- cairo_set_source_rgba (cr, .7, .6, 0, 1.0);
- cairo_fill (cr);
- break;
- case Level_CRIT:
- cairo_set_source_rgba (cr, .9, 0, 0, 1.0);
- cairo_fill (cr);
- break;
- }
-
- int w, h;
- _layout->get_pixel_size (w, h);
-
- cairo_save (cr);
-
- cairo_translate (cr, 2+PADDING, height * .5);
- cairo_move_to (cr, 0, h * -.5); //vertically center the text
- pango_cairo_update_layout (cr, _layout->gobj());
- Gtkmm2ext::set_source_rgba (cr, text);
- pango_cairo_show_layout (cr, _layout->gobj());
-
- cairo_restore (cr);
-}