Widgets were written to use "[User] Interface" values, but the spinbutton in a Bar-controller should allow to directly access the "Internal Value".
101 lines
3.1 KiB
C++
101 lines
3.1 KiB
C++
/*
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Copyright (C) 1998-99 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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$Id$
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*/
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#include <string>
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#include <gtkmm2ext/gtk_ui.h>
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#include <gtkmm2ext/pixfader.h>
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#include <gtkmm2ext/slider_controller.h>
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#include "pbd/controllable.h"
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#include "i18n.h"
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using namespace Gtkmm2ext;
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using namespace PBD;
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SliderController::SliderController (Gtk::Adjustment *adj, boost::shared_ptr<PBD::Controllable> mc, int orientation, int fader_length, int fader_girth)
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: PixFader (*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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{
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if (mc) {
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_spin_adj.set_lower (mc->lower ());
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_spin_adj.set_upper (mc->upper ());
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_spin_adj.set_step_increment((mc->upper () - mc->lower ()) / 100);
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_spin_adj.set_page_increment((mc->upper () - mc->lower ()) / 10);
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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 (mc);
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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 PixFader::on_button_press_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/BarControlle
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if (_spin_ignore) return;
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_ctrl_ignore = true;
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// TODO consider using internal_to_user, too (amp, dB)
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// (also needs _spin_adj min/max range changed accordingly
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// and dedicated support for log-scale, revert parts of ceff2e3a62f839)
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_spin_adj.set_value (_ctrl->interface_to_internal (_ctrl_adj->get_value()));
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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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// TODO consider using user_to_internal, as well
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_ctrl_adj->set_value(_ctrl->internal_to_interface (_spin_adj.get_value()));
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_spin_ignore = false;
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}
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VSliderController::VSliderController (Gtk::Adjustment *adj, boost::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, boost::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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