Paul Davis
b35518e212
This is mostly a simple lexical search+replace but the absence of operator< for std::weak_ptr<T> leads to some complications, particularly with Evoral::Sequence and ExportPortChannel.
144 lines
4.6 KiB
C++
144 lines
4.6 KiB
C++
/*
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* Copyright (C) 1998 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
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*
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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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*
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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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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include <string>
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#include "gtkmm2ext/gtk_ui.h"
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#include "pbd/controllable.h"
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#include "widgets/ardour_fader.h"
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#include "widgets/slider_controller.h"
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#include "pbd/i18n.h"
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using namespace PBD;
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using namespace ArdourWidgets;
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SliderController::SliderController (Gtk::Adjustment *adj, std::shared_ptr<PBD::Controllable> mc, int orientation, int fader_length, int fader_girth)
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: ArdourFader (*adj, orientation, fader_length, fader_girth)
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, _ctrl (mc)
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, _ctrl_adj (adj)
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, _spin_adj (0, 0, 1.0, .1, .01)
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, _spin (_spin_adj, 0, 2)
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, _ctrl_ignore (false)
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, _spin_ignore (false)
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{
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if (_ctrl) {
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// TODO consider a more generic method similar to
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// get_user_string() or value_as_string() for numeric entry.
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if (_ctrl->is_gain_like()) {
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/* use a slightly lower threadhold than ardour/dB.h to map -infinity <> -320 */
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float lower = _ctrl->lower () > 1e-16 ? 20.0f * log10f (_ctrl->lower ()) : -320.0f;
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float upper = _ctrl->upper () > 1e-16 ? 20.0f * log10f (_ctrl->upper ()) : -320.0f;
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_spin_adj.set_lower (lower);
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_spin_adj.set_upper (upper);
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_spin_adj.set_step_increment(0.1);
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_spin_adj.set_page_increment(1.0);
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} else {
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_spin_adj.set_lower (_ctrl->lower ());
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_spin_adj.set_upper (_ctrl->upper ());
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_spin_adj.set_step_increment(_ctrl->interface_to_internal(adj->get_step_increment()) - _ctrl->lower ());
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_spin_adj.set_page_increment(_ctrl->interface_to_internal(adj->get_page_increment()) - _ctrl->lower ());
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}
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adj->signal_value_changed().connect (sigc::mem_fun(*this, &SliderController::ctrl_adjusted));
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_spin_adj.signal_value_changed().connect (sigc::mem_fun(*this, &SliderController::spin_adjusted));
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_binding_proxy.set_controllable (_ctrl);
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}
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_spin.set_name ("SliderControllerValue");
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_spin.set_numeric (true);
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_spin.set_snap_to_ticks (false);
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}
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bool
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SliderController::on_button_press_event (GdkEventButton *ev)
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{
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if (_binding_proxy.button_press_handler (ev)) {
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return true;
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}
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return ArdourFader::on_button_press_event (ev);
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}
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bool
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SliderController::on_enter_notify_event (GdkEventCrossing* ev)
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{
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std::shared_ptr<PBD::Controllable> c (_binding_proxy.get_controllable ());
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if (c) {
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PBD::Controllable::GUIFocusChanged (std::weak_ptr<PBD::Controllable> (c));
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}
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return ArdourFader::on_enter_notify_event (ev);
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}
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bool
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SliderController::on_leave_notify_event (GdkEventCrossing* ev)
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{
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if (_binding_proxy.get_controllable()) {
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PBD::Controllable::GUIFocusChanged (std::weak_ptr<PBD::Controllable> ());
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}
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return ArdourFader::on_leave_notify_event (ev);
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}
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void
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SliderController::ctrl_adjusted ()
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{
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assert (_ctrl); // only used w/BarController
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if (_spin_ignore) return;
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_ctrl_ignore = true;
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if (_ctrl->is_gain_like ()) {
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float coeff = _ctrl->interface_to_internal (_ctrl_adj->get_value());
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float db = coeff > 1e-16 ? 20.0f * log10f (coeff) : -320.0f;
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_spin_adj.set_value (db);
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} else {
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_spin_adj.set_value (_ctrl->interface_to_internal (_ctrl_adj->get_value()));
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}
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_ctrl_ignore = false;
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}
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void
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SliderController::spin_adjusted ()
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{
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assert (_ctrl); // only used w/BarController
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if (_ctrl_ignore) return;
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_spin_ignore = true;
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if (_ctrl->is_gain_like ()) {
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float db = _spin_adj.get_value();
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float coeff = db > -320.f ? pow (10.0f, db * 0.05f) : 0.0f;
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_ctrl_adj->set_value(_ctrl->internal_to_interface (coeff));
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} else {
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_ctrl_adj->set_value(_ctrl->internal_to_interface (_spin_adj.get_value()));
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}
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_spin_ignore = false;
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}
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VSliderController::VSliderController (Gtk::Adjustment *adj, std::shared_ptr<PBD::Controllable> mc, int fader_length, int fader_girth)
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: SliderController (adj, mc, VERT, fader_length, fader_girth)
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{
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}
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HSliderController::HSliderController (Gtk::Adjustment *adj, std::shared_ptr<PBD::Controllable> mc, int fader_length, int fader_girth)
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: SliderController (adj, mc, HORIZ, fader_length, fader_girth)
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{
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}
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