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/*
Copyright (C) 2014 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iostream>
#include <cmath>
#include <algorithm>
#include <pangomm/layout.h>
#include "pbd/compose.h"
#include "pbd/controllable.h"
#include "pbd/error.h"
#include "pbd/stacktrace.h"
#include "gtkmm2ext/utils.h"
#include "gtkmm2ext/rgb_macros.h"
#include "gtkmm2ext/gui_thread.h"
#include "gtkmm2ext/keyboard.h"
#include "ardour/rc_configuration.h" // for widget prelight preference
#include "ardour_display.h"
#include "pbd/i18n.h"
using namespace Gtkmm2ext;
using namespace Gdk;
using namespace Gtk;
using namespace Glib;
using namespace PBD;
using std::max;
using std::min;
using namespace std;
ArdourDisplay::ArdourDisplay (Element e)
{
add_elements(ArdourButton::Text);
}
ArdourDisplay::~ArdourDisplay ()
{
}
bool
ArdourDisplay::on_scroll_event (GdkEventScroll* ev)
{
/* mouse wheel */
float scale = 1.0;
if (ev->state & Keyboard::GainFineScaleModifier) {
if (ev->state & Keyboard::GainExtraFineScaleModifier) {
scale *= 0.01;
} else {
scale *= 0.10;
}
}
boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
if (c) {
float val = c->get_interface();
if ( ev->direction == GDK_SCROLL_UP )
val += 0.05 * scale; //by default, we step in 1/20ths of the knob travel
else
val -= 0.05 * scale;
c->set_interface(val);
}
return true;
}
void
ArdourDisplay::add_controllable_preset (const char *txt, float val)
{
using namespace Menu_Helpers;
AddMenuElem(MenuElem (txt, sigc::bind (sigc::mem_fun(*this, &ArdourDisplay::handle_controllable_preset), val)));
}
void
ArdourDisplay::handle_controllable_preset (float p)
{
boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
if (!c) return;
c->set_user(p);
}
void
ArdourDisplay::set_controllable (boost::shared_ptr<Controllable> c)
{
watch_connection.disconnect (); //stop watching the old controllable
if (!c) return;
binding_proxy.set_controllable (c);
c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&ArdourDisplay::controllable_changed, this), gui_context());
controllable_changed();
}
void
ArdourDisplay::controllable_changed ()
{
boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
if (!c) return;
set_text(c->get_user_string());
set_dirty();
}
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