521 lines
14 KiB
C++
521 lines
14 KiB
C++
/*
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Copyright (C) 2000-2007 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 <cstdio> // for snprintf, grrr
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#include <gtkmm/stock.h>
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#include "gtkmm2ext/utils.h"
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#include "tempo_dialog.h"
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#include "ui_config.h"
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#include "i18n.h"
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using namespace std;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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using namespace ARDOUR;
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using namespace PBD;
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TempoDialog::TempoDialog (TempoMap& map, framepos_t frame, const string&)
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: ArdourDialog (_("New Tempo"))
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, bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0)
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, bpm_spinner (bpm_adjustment)
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, when_bar_label (_("bar:"), ALIGN_LEFT, ALIGN_CENTER)
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, when_beat_label (_("beat:"), ALIGN_LEFT, ALIGN_CENTER)
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, pulse_selector_label (_("Pulse note"), ALIGN_LEFT, ALIGN_CENTER)
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, tap_tempo_button (_("Tap tempo"))
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{
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Timecode::BBT_Time when;
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Tempo tempo (map.tempo_at (frame));
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map.bbt_time (frame, when);
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init (when, tempo.beats_per_minute(), tempo.note_type(), true);
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}
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TempoDialog::TempoDialog (TempoSection& section, const string&)
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: ArdourDialog (_("Edit Tempo"))
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, bpm_adjustment (60.0, 1.0, 999.9, 0.1, 1.0)
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, bpm_spinner (bpm_adjustment)
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, when_bar_label (_("bar:"), ALIGN_LEFT, ALIGN_CENTER)
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, when_beat_label (_("beat:"), ALIGN_LEFT, ALIGN_CENTER)
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, pulse_selector_label (_("Pulse note"), ALIGN_LEFT, ALIGN_CENTER)
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, tap_tempo_button (_("Tap tempo"))
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{
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init (section.start(), section.beats_per_minute(), section.note_type(), section.movable());
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}
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void
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TempoDialog::init (const Timecode::BBT_Time& when, double bpm, double note_type, bool movable)
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{
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vector<string> strings;
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NoteTypes::iterator x;
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bpm_spinner.set_numeric (true);
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bpm_spinner.set_digits (2);
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bpm_spinner.set_wrap (true);
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bpm_spinner.set_value (bpm);
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bpm_spinner.set_alignment (1.0);
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note_types.insert (make_pair (_("whole"), 1.0));
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strings.push_back (_("whole"));
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note_types.insert (make_pair (_("second"), 2.0));
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strings.push_back (_("second"));
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note_types.insert (make_pair (_("third"), 3.0));
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strings.push_back (_("third"));
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note_types.insert (make_pair (_("quarter"), 4.0));
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strings.push_back (_("quarter"));
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note_types.insert (make_pair (_("eighth"), 8.0));
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strings.push_back (_("eighth"));
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note_types.insert (make_pair (_("sixteenth"), 16.0));
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strings.push_back (_("sixteenth"));
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note_types.insert (make_pair (_("thirty-second"), 32.0));
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strings.push_back (_("thirty-second"));
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note_types.insert (make_pair (_("sixty-fourth"), 64.0));
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strings.push_back (_("sixty-fourth"));
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note_types.insert (make_pair (_("one-hundred-twenty-eighth"), 128.0));
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strings.push_back (_("one-hundred-twenty-eighth"));
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set_popdown_strings (pulse_selector, strings);
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for (x = note_types.begin(); x != note_types.end(); ++x) {
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if (x->second == note_type) {
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pulse_selector.set_active_text (x->first);
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break;
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}
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}
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if (x == note_types.end()) {
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pulse_selector.set_active_text (strings[3]); // "quarter"
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}
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Table* table;
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if (UIConfiguration::instance().get_allow_non_quarter_pulse()) {
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table = manage (new Table (5, 5));
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} else {
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table = manage (new Table (5, 4));
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}
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table->set_spacings (6);
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table->set_homogeneous (false);
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int row;
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Label* bpm_label = manage (new Label(_("Beats per minute:"), ALIGN_LEFT, ALIGN_CENTER));
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table->attach (*bpm_label, 0, 1, 0, 1);
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table->attach (bpm_spinner, 1, 5, 0, 1);
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if (UIConfiguration::instance().get_allow_non_quarter_pulse()) {
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table->attach (pulse_selector_label, 0, 1, 1, 2);
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table->attach (pulse_selector, 1, 5, 1, 2);
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row = 2;
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} else {
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row = 1;
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}
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char buf[64];
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snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
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when_bar_entry.set_text (buf);
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snprintf (buf, sizeof (buf), "%" PRIu32, when.beats);
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when_beat_entry.set_text (buf);
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if (movable) {
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when_bar_entry.set_width_chars(4);
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when_beat_entry.set_width_chars (4);
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when_bar_entry.set_alignment (1.0);
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when_beat_entry.set_alignment (1.0);
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when_bar_label.set_name ("MetricLabel");
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when_beat_label.set_name ("MetricLabel");
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table->attach (when_bar_label, 1, 2, row, row+1, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
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table->attach (when_bar_entry, 2, 3, row, row+1, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
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table->attach (when_beat_label, 3, 4, row, row+1, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
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table->attach (when_beat_entry, 4, 5, row, row+1, Gtk::AttachOptions(0), Gtk::AttachOptions(0));
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Label* when_label = manage (new Label(_("Tempo begins at"), ALIGN_LEFT, ALIGN_CENTER));
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table->attach (*when_label, 0, 1, row, row+1);
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}
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get_vbox()->set_border_width (12);
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get_vbox()->pack_end (*table);
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table->show_all ();
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add_button (Stock::CANCEL, RESPONSE_CANCEL);
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add_button (Stock::APPLY, RESPONSE_ACCEPT);
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set_response_sensitive (RESPONSE_ACCEPT, true);
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set_default_response (RESPONSE_ACCEPT);
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bpm_spinner.show ();
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tap_tempo_button.show ();
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get_vbox()->pack_end (tap_tempo_button);
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bpm_spinner.grab_focus ();
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set_name ("MetricDialog");
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bpm_spinner.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
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bpm_spinner.signal_button_press_event().connect (sigc::mem_fun (*this, &TempoDialog::bpm_button_press), false);
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bpm_spinner.signal_button_release_event().connect (sigc::mem_fun (*this, &TempoDialog::bpm_button_release), false);
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bpm_spinner.signal_changed().connect (sigc::mem_fun (*this, &TempoDialog::bpm_changed));
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when_bar_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
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when_bar_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &TempoDialog::entry_key_release), false);
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when_beat_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &TempoDialog::response), RESPONSE_ACCEPT));
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when_beat_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &TempoDialog::entry_key_release), false);
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pulse_selector.signal_changed().connect (sigc::mem_fun (*this, &TempoDialog::pulse_change));
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tap_tempo_button.signal_button_press_event().connect (sigc::mem_fun (*this, &TempoDialog::tap_tempo_button_press), false);
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tap_tempo_button.signal_focus_out_event().connect (sigc::mem_fun (*this, &TempoDialog::tap_tempo_focus_out));
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tapped = false;
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}
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bool
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TempoDialog::is_user_input_valid() const
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{
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return (when_beat_entry.get_text() != "")
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&& (when_bar_entry.get_text() != "")
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&& (when_bar_entry.get_text() != "0");
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}
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void
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TempoDialog::bpm_changed ()
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{
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set_response_sensitive (RESPONSE_ACCEPT, is_user_input_valid());
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}
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bool
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TempoDialog::bpm_button_press (GdkEventButton*)
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{
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return false;
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}
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bool
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TempoDialog::bpm_button_release (GdkEventButton*)
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{
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/* the value has been modified, accept should work now */
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set_response_sensitive (RESPONSE_ACCEPT, is_user_input_valid());
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return false;
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}
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bool
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TempoDialog::entry_key_release (GdkEventKey*)
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{
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set_response_sensitive (RESPONSE_ACCEPT, is_user_input_valid());
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return false;
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}
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double
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TempoDialog::get_bpm ()
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{
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return bpm_spinner.get_value ();
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}
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bool
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TempoDialog::get_bbt_time (Timecode::BBT_Time& requested)
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{
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if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
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return false;
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}
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if (sscanf (when_beat_entry.get_text().c_str(), "%" PRIu32, &requested.beats) != 1) {
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return false;
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}
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requested.ticks = 0;
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return true;
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}
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double
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TempoDialog::get_note_type ()
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{
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NoteTypes::iterator x = note_types.find (pulse_selector.get_active_text());
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if (x == note_types.end()) {
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error << string_compose(_("incomprehensible pulse note type (%1)"), pulse_selector.get_active_text()) << endmsg;
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return 0;
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}
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return x->second;
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}
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void
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TempoDialog::pulse_change ()
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{
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set_response_sensitive (RESPONSE_ACCEPT, is_user_input_valid());
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}
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bool
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TempoDialog::tap_tempo_button_press (GdkEventButton *ev)
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{
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double t;
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// Linear least-squares regression
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if (tapped) {
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t = 1e-6 * (g_get_monotonic_time () - first_t); // Subtract first_t to avoid precision problems
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double n = tap_count;
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sum_y += t;
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sum_x += n;
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sum_xy += n * t;
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sum_xx += n * n;
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double T = (sum_xy/n - sum_x/n * sum_y/n) / (sum_xx/n - sum_x/n * sum_x/n);
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if (t - last_t < T / 1.2 || t - last_t > T * 1.2) {
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tapped = false;
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} else {
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bpm_spinner.set_value (60.0 / T);
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}
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}
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if (!tapped) {
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first_t = g_get_monotonic_time ();
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t = 0.0;
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sum_y = 0.0;
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sum_x = 1.0;
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sum_xy = 0.0;
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sum_xx = 1.0;
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tap_count = 1.0;
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tapped = true;
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}
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tap_count++;
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last_t = t;
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return true;
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}
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bool
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TempoDialog::tap_tempo_focus_out (GdkEventFocus* )
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{
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tapped = false;
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return false;
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}
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MeterDialog::MeterDialog (TempoMap& map, framepos_t frame, const string&)
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: ArdourDialog (_("New Meter"))
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{
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Timecode::BBT_Time when;
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frame = map.round_to_bar(frame, RoundNearest);
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Meter meter (map.meter_at(frame));
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map.bbt_time (frame, when);
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init (when, meter.divisions_per_bar(), meter.note_divisor(), true);
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}
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MeterDialog::MeterDialog (MeterSection& section, const string&)
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: ArdourDialog (_("Edit Meter"))
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{
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init (section.start(), section.divisions_per_bar(), section.note_divisor(), section.movable());
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}
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void
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MeterDialog::init (const Timecode::BBT_Time& when, double bpb, double divisor, bool movable)
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{
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char buf[64];
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vector<string> strings;
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NoteTypes::iterator x;
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snprintf (buf, sizeof (buf), "%.2f", bpb);
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bpb_entry.set_text (buf);
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bpb_entry.select_region (0, -1);
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bpb_entry.set_alignment (1.0);
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note_types.insert (make_pair (_("whole"), 1.0));
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strings.push_back (_("whole"));
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note_types.insert (make_pair (_("second"), 2.0));
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strings.push_back (_("second"));
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note_types.insert (make_pair (_("third"), 3.0));
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strings.push_back (_("third"));
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note_types.insert (make_pair (_("quarter"), 4.0));
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strings.push_back (_("quarter"));
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note_types.insert (make_pair (_("eighth"), 8.0));
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strings.push_back (_("eighth"));
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note_types.insert (make_pair (_("sixteenth"), 16.0));
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strings.push_back (_("sixteenth"));
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note_types.insert (make_pair (_("thirty-second"), 32.0));
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strings.push_back (_("thirty-second"));
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note_types.insert (make_pair (_("sixty-fourth"), 64.0));
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strings.push_back (_("sixty-fourth"));
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note_types.insert (make_pair (_("one-hundred-twenty-eighth"), 128.0));
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strings.push_back (_("one-hundred-twenty-eighth"));
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set_popdown_strings (note_type, strings);
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for (x = note_types.begin(); x != note_types.end(); ++x) {
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if (x->second == divisor) {
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note_type.set_active_text (x->first);
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break;
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}
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}
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if (x == note_types.end()) {
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note_type.set_active_text (strings[3]); // "quarter"
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}
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Label* note_label = manage (new Label (_("Note value:"), ALIGN_LEFT, ALIGN_CENTER));
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Label* bpb_label = manage (new Label (_("Beats per bar:"), ALIGN_LEFT, ALIGN_CENTER));
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Table* table = manage (new Table (3, 2));
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table->set_spacings (6);
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table->attach (*bpb_label, 0, 1, 0, 1, FILL|EXPAND, FILL|EXPAND);
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table->attach (bpb_entry, 1, 2, 0, 1, FILL|EXPAND, FILL|EXPAND);
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table->attach (*note_label, 0, 1, 1, 2, FILL|EXPAND, FILL|EXPAND);
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table->attach (note_type, 1, 2, 1, 2, FILL|EXPAND, SHRINK);
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snprintf (buf, sizeof (buf), "%" PRIu32, when.bars);
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when_bar_entry.set_text (buf);
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when_bar_entry.set_alignment (1.0);
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if (movable) {
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Label* when_label = manage (new Label(_("Meter begins at bar:"), ALIGN_LEFT, ALIGN_CENTER));
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table->attach (*when_label, 0, 1, 2, 3, FILL | EXPAND, FILL | EXPAND);
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table->attach (when_bar_entry, 1, 2, 2, 3, FILL | EXPAND, FILL | EXPAND);
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}
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get_vbox()->set_border_width (12);
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get_vbox()->pack_start (*table, false, false);
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add_button (Stock::CANCEL, RESPONSE_CANCEL);
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add_button (Stock::APPLY, RESPONSE_ACCEPT);
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set_response_sensitive (RESPONSE_ACCEPT, true);
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set_default_response (RESPONSE_ACCEPT);
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get_vbox()->show_all ();
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set_name ("MetricDialog");
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bpb_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &MeterDialog::response), RESPONSE_ACCEPT));
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bpb_entry.signal_key_press_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_press), false);
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bpb_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_release));
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when_bar_entry.signal_activate().connect (sigc::bind (sigc::mem_fun (*this, &MeterDialog::response), RESPONSE_ACCEPT));
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when_bar_entry.signal_key_press_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_press), false);
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when_bar_entry.signal_key_release_event().connect (sigc::mem_fun (*this, &MeterDialog::entry_key_release));
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note_type.signal_changed().connect (sigc::mem_fun (*this, &MeterDialog::note_type_change));
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}
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bool
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MeterDialog::is_user_input_valid() const
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{
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return (when_bar_entry.get_text() != "")
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&& (when_bar_entry.get_text() != "0")
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&& (bpb_entry.get_text() != "");
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}
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bool
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MeterDialog::entry_key_press (GdkEventKey* ev)
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{
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switch (ev->keyval) {
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case GDK_0:
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case GDK_1:
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case GDK_2:
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case GDK_3:
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case GDK_4:
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case GDK_5:
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case GDK_6:
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case GDK_7:
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case GDK_8:
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case GDK_9:
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case GDK_KP_0:
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case GDK_KP_1:
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case GDK_KP_2:
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case GDK_KP_3:
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case GDK_KP_4:
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case GDK_KP_5:
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case GDK_KP_6:
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case GDK_KP_7:
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case GDK_KP_8:
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case GDK_KP_9:
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case GDK_period:
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case GDK_comma:
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case GDK_KP_Delete:
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case GDK_KP_Enter:
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case GDK_Delete:
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case GDK_BackSpace:
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case GDK_Escape:
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case GDK_Return:
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case GDK_Home:
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case GDK_End:
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case GDK_Left:
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case GDK_Right:
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|
case GDK_Num_Lock:
|
|
case GDK_Tab:
|
|
return FALSE;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
bool
|
|
MeterDialog::entry_key_release (GdkEventKey*)
|
|
{
|
|
set_response_sensitive (RESPONSE_ACCEPT, is_user_input_valid());
|
|
return false;
|
|
}
|
|
|
|
void
|
|
MeterDialog::note_type_change ()
|
|
{
|
|
set_response_sensitive (RESPONSE_ACCEPT, is_user_input_valid());
|
|
}
|
|
|
|
double
|
|
MeterDialog::get_bpb ()
|
|
{
|
|
double bpb = 0;
|
|
|
|
if (sscanf (bpb_entry.get_text().c_str(), "%lf", &bpb) != 1) {
|
|
return 0;
|
|
}
|
|
|
|
return bpb;
|
|
}
|
|
|
|
double
|
|
MeterDialog::get_note_type ()
|
|
{
|
|
NoteTypes::iterator x = note_types.find (note_type.get_active_text());
|
|
|
|
if (x == note_types.end()) {
|
|
error << string_compose(_("incomprehensible meter note type (%1)"), note_type.get_active_text()) << endmsg;
|
|
return 0;
|
|
}
|
|
|
|
return x->second;
|
|
}
|
|
|
|
bool
|
|
MeterDialog::get_bbt_time (Timecode::BBT_Time& requested)
|
|
{
|
|
if (sscanf (when_bar_entry.get_text().c_str(), "%" PRIu32, &requested.bars) != 1) {
|
|
return false;
|
|
}
|
|
|
|
requested.beats = 1;
|
|
requested.ticks = 0;
|
|
|
|
return true;
|
|
}
|