136 lines
3.0 KiB
C++
136 lines
3.0 KiB
C++
/*
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Copyright (C) 2014 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include <cmath>
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#include <algorithm>
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#include <pangomm/layout.h>
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#include "pbd/compose.h"
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#include "pbd/controllable.h"
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#include "pbd/error.h"
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#include "pbd/stacktrace.h"
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#include "gtkmm2ext/utils.h"
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#include "gtkmm2ext/rgb_macros.h"
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#include "gtkmm2ext/gui_thread.h"
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#include "gtkmm2ext/keyboard.h"
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#include "ardour/rc_configuration.h" // for widget prelight preference
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#include "ardour_display.h"
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#include "pbd/i18n.h"
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using namespace Gtkmm2ext;
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using namespace Gdk;
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using namespace Gtk;
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using namespace Glib;
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using namespace PBD;
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using std::max;
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using std::min;
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using namespace std;
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ArdourDisplay::ArdourDisplay (Element e)
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{
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add_elements(ArdourButton::Text);
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}
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ArdourDisplay::~ArdourDisplay ()
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{
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}
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bool
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ArdourDisplay::on_scroll_event (GdkEventScroll* ev)
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{
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/* mouse wheel */
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float scale = 1.0;
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if (ev->state & Keyboard::GainFineScaleModifier) {
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if (ev->state & Keyboard::GainExtraFineScaleModifier) {
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scale *= 0.01;
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} else {
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scale *= 0.10;
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}
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}
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boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
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if (c) {
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float val = c->get_interface();
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if ( ev->direction == GDK_SCROLL_UP )
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val += 0.05 * scale; //by default, we step in 1/20ths of the knob travel
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else
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val -= 0.05 * scale;
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c->set_interface(val);
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}
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return true;
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}
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void
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ArdourDisplay::add_controllable_preset (const char *txt, float val)
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{
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using namespace Menu_Helpers;
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AddMenuElem(MenuElem (txt, sigc::bind (sigc::mem_fun(*this, &ArdourDisplay::handle_controllable_preset), val)));
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}
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void
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ArdourDisplay::handle_controllable_preset (float p)
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{
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boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
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if (!c) return;
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c->set_user(p);
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}
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void
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ArdourDisplay::set_controllable (boost::shared_ptr<Controllable> c)
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{
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watch_connection.disconnect (); //stop watching the old controllable
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if (!c) return;
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binding_proxy.set_controllable (c);
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c->Changed.connect (watch_connection, invalidator(*this), boost::bind (&ArdourDisplay::controllable_changed, this), gui_context());
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controllable_changed();
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}
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void
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ArdourDisplay::controllable_changed ()
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{
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boost::shared_ptr<PBD::Controllable> c = binding_proxy.get_controllable();
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if (!c) return;
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set_text(c->get_user_string());
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set_dirty();
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}
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