526 lines
13 KiB
C++
526 lines
13 KiB
C++
/*
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Copyright (C) 2002 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 sprintf, grrr
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#include <cstdlib>
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#include <cmath>
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#include <string>
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#include <climits>
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#include <libgnomecanvasmm.h>
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#include <pbd/error.h>
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#include <pbd/memento_command.h>
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#include <gtkmm2ext/utils.h>
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#include <gtkmm2ext/gtk_ui.h>
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#include <ardour/session.h>
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#include <ardour/tempo.h>
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#include <gtkmm2ext/doi.h>
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#include <gtkmm2ext/utils.h>
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#include "editor.h"
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#include "marker.h"
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#include "simpleline.h"
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#include "tempo_dialog.h"
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#include "rgb_macros.h"
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#include "gui_thread.h"
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#include "color.h"
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#include "time_axis_view.h"
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#include "i18n.h"
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using namespace std;
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using namespace sigc;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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using namespace Editing;
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void
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Editor::remove_metric_marks ()
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{
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/* don't delete these while handling events, just punt till the GUI is idle */
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for (Marks::iterator x = metric_marks.begin(); x != metric_marks.end(); ++x) {
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delete_when_idle (*x);
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}
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metric_marks.clear ();
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}
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void
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Editor::draw_metric_marks (const Metrics& metrics)
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{
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const MeterSection *ms;
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const TempoSection *ts;
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char buf[64];
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remove_metric_marks ();
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for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
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if ((ms = dynamic_cast<const MeterSection*>(*i)) != 0) {
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snprintf (buf, sizeof(buf), "%g/%g", ms->beats_per_bar(), ms->note_divisor ());
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metric_marks.push_back (new MeterMarker (*this, *meter_group, Config->canvasvar_MeterMarker.get(), buf,
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*(const_cast<MeterSection*>(ms))));
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} else if ((ts = dynamic_cast<const TempoSection*>(*i)) != 0) {
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snprintf (buf, sizeof (buf), "%.2f", ts->beats_per_minute());
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metric_marks.push_back (new TempoMarker (*this, *tempo_group, Config->canvasvar_TempoMarker.get(), buf,
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*(const_cast<TempoSection*>(ts))));
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}
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}
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}
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void
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Editor::tempo_map_changed (Change ignored)
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{
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if (!session) {
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return;
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}
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ENSURE_GUI_THREAD(bind (mem_fun (*this, &Editor::tempo_map_changed), ignored));
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redisplay_tempo (false); // redraw rulers and measures
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session->tempo_map().apply_with_metrics (*this, &Editor::draw_metric_marks); // redraw metric markers
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}
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/**
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* This code was originally in tempo_map_changed, but this is called every time the canvas scrolls horizontally.
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* That's why this is moved in here. The new tempo_map_changed is called when the ARDOUR::TempoMap actually changed.
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*/
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void
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Editor::redisplay_tempo (bool immediate_redraw)
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{
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if (!session) {
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return;
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}
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BBT_Time previous_beat, next_beat; // the beats previous to the leftmost frame and after the rightmost frame
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session->bbt_time(leftmost_frame, previous_beat);
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session->bbt_time(leftmost_frame + current_page_frames(), next_beat);
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if (previous_beat.beats > 1) {
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previous_beat.beats -= 1;
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} else if (previous_beat.bars > 1) {
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previous_beat.bars--;
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previous_beat.beats += 1;
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}
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previous_beat.ticks = 0;
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if (session->tempo_map().meter_at(leftmost_frame + current_page_frames()).beats_per_bar () > next_beat.beats + 1) {
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next_beat.beats += 1;
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} else {
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next_beat.bars += 1;
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next_beat.beats = 1;
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}
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next_beat.ticks = 0;
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if (current_bbt_points) {
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delete current_bbt_points;
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current_bbt_points = 0;
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}
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if (session) {
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current_bbt_points = session->tempo_map().get_points (session->tempo_map().frame_time (previous_beat), session->tempo_map().frame_time (next_beat));
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update_tempo_based_rulers ();
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} else {
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current_bbt_points = 0;
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}
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if (immediate_redraw) {
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hide_measures ();
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if (session && current_bbt_points) {
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draw_measures ();
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}
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} else {
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if (session && current_bbt_points) {
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Glib::signal_idle().connect (mem_fun (*this, &Editor::lazy_hide_and_draw_measures));
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} else {
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hide_measures ();
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}
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}
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}
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void
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Editor::hide_measures ()
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{
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for (TimeLineList::iterator i = used_measure_lines.begin(); i != used_measure_lines.end(); ++i) {
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(*i)->hide();
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free_measure_lines.push_back (*i);
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}
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used_measure_lines.clear ();
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}
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ArdourCanvas::SimpleLine *
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Editor::get_time_line ()
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{
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ArdourCanvas::SimpleLine *line;
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if (free_measure_lines.empty()) {
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line = new ArdourCanvas::SimpleLine (*time_line_group);
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used_measure_lines.push_back (line);
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} else {
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line = free_measure_lines.front();
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free_measure_lines.erase (free_measure_lines.begin());
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used_measure_lines.push_back (line);
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}
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return line;
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}
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bool
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Editor::lazy_hide_and_draw_measures ()
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{
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hide_measures ();
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draw_measures ();
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return false;
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}
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void
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Editor::draw_measures ()
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{
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if (session == 0 || _show_measures == false) {
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return;
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}
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TempoMap::BBTPointList::iterator i;
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ArdourCanvas::SimpleLine *line;
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gdouble xpos;
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double x1, x2, y1, y2, beat_density;
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uint32_t beats = 0;
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uint32_t bars = 0;
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uint32_t color;
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if (current_bbt_points == 0 || current_bbt_points->empty()) {
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return;
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}
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track_canvas.get_scroll_region (x1, y1, x2, y2);
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y2 = TimeAxisView::hLargest*5000; // five thousand largest tracks should be enough.. :)
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/* get the first bar spacing */
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i = current_bbt_points->end();
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i--;
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bars = (*i).bar - (*current_bbt_points->begin()).bar;
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beats = current_bbt_points->size() - bars;
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beat_density = (beats * 10.0f) / track_canvas.get_width ();
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if (beat_density > 4.0f) {
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/* if the lines are too close together, they become useless
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*/
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return;
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}
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for (i = current_bbt_points->begin(); i != current_bbt_points->end(); ++i) {
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switch ((*i).type) {
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case TempoMap::Bar:
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break;
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case TempoMap::Beat:
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if ((*i).beat == 1) {
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color = Config->canvasvar_MeasureLineBar.get();
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} else {
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color = Config->canvasvar_MeasureLineBeat.get();
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if (beat_density > 2.0) {
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/* only draw beat lines if the gaps between beats are large.
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*/
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break;
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}
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}
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xpos = frame_to_unit ((*i).frame);
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line = get_time_line ();
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line->property_x1() = xpos;
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line->property_x2() = xpos;
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line->property_y2() = y2;
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line->property_color_rgba() = color;
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//line->raise_to_top();
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line->show();
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break;
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}
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}
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/* the cursors are always on top of everything */
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cursor_group->raise_to_top();
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time_line_group->lower_to_bottom();
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return;
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}
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void
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Editor::mouse_add_new_tempo_event (nframes_t frame)
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{
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if (session == 0) {
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return;
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}
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TempoMap& map(session->tempo_map());
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TempoDialog tempo_dialog (map, frame, _("add"));
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tempo_dialog.set_position (Gtk::WIN_POS_MOUSE);
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tempo_dialog.signal_realize().connect (bind (sigc::ptr_fun (set_decoration), &tempo_dialog, Gdk::WMDecoration (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH)));
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ensure_float (tempo_dialog);
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switch (tempo_dialog.run()) {
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case RESPONSE_ACCEPT:
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break;
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default:
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return;
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}
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double bpm = 0;
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BBT_Time requested;
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bpm = tempo_dialog.get_bpm ();
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bpm = max (0.01, bpm);
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tempo_dialog.get_bbt_time (requested);
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begin_reversible_command (_("add tempo mark"));
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XMLNode &before = map.get_state();
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map.add_tempo (Tempo (bpm), requested);
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XMLNode &after = map.get_state();
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session->add_command(new MementoCommand<TempoMap>(map, &before, &after));
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commit_reversible_command ();
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map.dump (cerr);
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}
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void
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Editor::mouse_add_new_meter_event (nframes_t frame)
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{
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if (session == 0) {
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return;
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}
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TempoMap& map(session->tempo_map());
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MeterDialog meter_dialog (map, frame, _("add"));
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meter_dialog.set_position (Gtk::WIN_POS_MOUSE);
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meter_dialog.signal_realize().connect (bind (sigc::ptr_fun (set_decoration), &meter_dialog, Gdk::WMDecoration (Gdk::DECOR_BORDER|Gdk::DECOR_RESIZEH)));
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ensure_float (meter_dialog);
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switch (meter_dialog.run ()) {
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case RESPONSE_ACCEPT:
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break;
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default:
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return;
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}
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double bpb = meter_dialog.get_bpb ();
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bpb = max (1.0, bpb); // XXX is this a reasonable limit?
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double note_type = meter_dialog.get_note_type ();
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BBT_Time requested;
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meter_dialog.get_bbt_time (requested);
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begin_reversible_command (_("add meter mark"));
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XMLNode &before = map.get_state();
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map.add_meter (Meter (bpb, note_type), requested);
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session->add_command(new MementoCommand<TempoMap>(map, &before, &map.get_state()));
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commit_reversible_command ();
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map.dump (cerr);
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}
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void
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Editor::remove_tempo_marker (ArdourCanvas::Item* item)
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{
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Marker* marker;
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TempoMarker* tempo_marker;
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if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
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fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
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/*NOTREACHED*/
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}
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if ((tempo_marker = dynamic_cast<TempoMarker*> (marker)) == 0) {
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fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
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/*NOTREACHED*/
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}
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if (tempo_marker->tempo().movable()) {
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Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::real_remove_tempo_marker), &tempo_marker->tempo()));
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}
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}
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void
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Editor::edit_meter_section (MeterSection* section)
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{
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MeterDialog meter_dialog (*section, _("done"));
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meter_dialog.set_position (Gtk::WIN_POS_MOUSE);
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ensure_float (meter_dialog);
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switch (meter_dialog.run()) {
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case RESPONSE_ACCEPT:
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break;
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default:
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return;
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}
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double bpb = meter_dialog.get_bpb ();
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bpb = max (1.0, bpb); // XXX is this a reasonable limit?
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double note_type = meter_dialog.get_note_type ();
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begin_reversible_command (_("replace tempo mark"));
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XMLNode &before = session->tempo_map().get_state();
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session->tempo_map().replace_meter (*section, Meter (bpb, note_type));
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XMLNode &after = session->tempo_map().get_state();
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session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
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commit_reversible_command ();
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}
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void
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Editor::edit_tempo_section (TempoSection* section)
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{
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TempoDialog tempo_dialog (*section, _("done"));
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tempo_dialog.set_position (Gtk::WIN_POS_MOUSE);
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ensure_float (tempo_dialog);
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switch (tempo_dialog.run ()) {
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case RESPONSE_ACCEPT:
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break;
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default:
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return;
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}
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double bpm = tempo_dialog.get_bpm ();
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BBT_Time when;
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tempo_dialog.get_bbt_time(when);
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bpm = max (0.01, bpm);
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begin_reversible_command (_("replace tempo mark"));
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XMLNode &before = session->tempo_map().get_state();
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session->tempo_map().replace_tempo (*section, Tempo (bpm));
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session->tempo_map().move_tempo (*section, when);
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XMLNode &after = session->tempo_map().get_state();
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session->add_command (new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
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commit_reversible_command ();
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}
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void
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Editor::edit_tempo_marker (ArdourCanvas::Item *item)
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{
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Marker* marker;
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TempoMarker* tempo_marker;
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if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
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fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
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/*NOTREACHED*/
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}
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if ((tempo_marker = dynamic_cast<TempoMarker*> (marker)) == 0) {
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fatal << _("programming error: marker for tempo is not a tempo marker!") << endmsg;
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/*NOTREACHED*/
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}
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edit_tempo_section (&tempo_marker->tempo());
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}
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void
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Editor::edit_meter_marker (ArdourCanvas::Item *item)
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{
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Marker* marker;
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MeterMarker* meter_marker;
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if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
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fatal << _("programming error: tempo marker canvas item has no marker object pointer!") << endmsg;
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/*NOTREACHED*/
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}
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if ((meter_marker = dynamic_cast<MeterMarker*> (marker)) == 0) {
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fatal << _("programming error: marker for meter is not a meter marker!") << endmsg;
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/*NOTREACHED*/
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}
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edit_meter_section (&meter_marker->meter());
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}
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gint
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Editor::real_remove_tempo_marker (TempoSection *section)
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{
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begin_reversible_command (_("remove tempo mark"));
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XMLNode &before = session->tempo_map().get_state();
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session->tempo_map().remove_tempo (*section);
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XMLNode &after = session->tempo_map().get_state();
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session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
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commit_reversible_command ();
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return FALSE;
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}
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void
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Editor::remove_meter_marker (ArdourCanvas::Item* item)
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{
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Marker* marker;
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MeterMarker* meter_marker;
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if ((marker = reinterpret_cast<Marker *> (item->get_data ("marker"))) == 0) {
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fatal << _("programming error: meter marker canvas item has no marker object pointer!") << endmsg;
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/*NOTREACHED*/
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}
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if ((meter_marker = dynamic_cast<MeterMarker*> (marker)) == 0) {
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fatal << _("programming error: marker for meter is not a meter marker!") << endmsg;
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/*NOTREACHED*/
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}
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if (meter_marker->meter().movable()) {
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Glib::signal_idle().connect (bind (mem_fun(*this, &Editor::real_remove_meter_marker), &meter_marker->meter()));
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}
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}
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gint
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Editor::real_remove_meter_marker (MeterSection *section)
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{
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begin_reversible_command (_("remove tempo mark"));
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XMLNode &before = session->tempo_map().get_state();
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session->tempo_map().remove_meter (*section);
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XMLNode &after = session->tempo_map().get_state();
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session->add_command(new MementoCommand<TempoMap>(session->tempo_map(), &before, &after));
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commit_reversible_command ();
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return FALSE;
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}
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