275 lines
6.5 KiB
C++
275 lines
6.5 KiB
C++
/*
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Copyright (C) 2000-2011 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 <string>
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#include <gtkmm/enums.h>
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#include "pbd/stacktrace.h"
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#include "ardour/profile.h"
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#include "canvas/debug.h"
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#include "canvas/scroll_group.h"
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#include "ardour_ui.h"
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#include "audio_clock.h"
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#include "editor.h"
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#include "editor_drag.h"
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#include "main_clock.h"
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#include "verbose_cursor.h"
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#include "i18n.h"
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using namespace std;
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using namespace ARDOUR;
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VerboseCursor::VerboseCursor (Editor* editor)
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: _editor (editor)
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, _visible (false)
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, _xoffset (0)
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, _yoffset (0)
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{
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_canvas_item = new ArdourCanvas::Text (_editor->get_noscroll_group());
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CANVAS_DEBUG_NAME (_canvas_item, "verbose canvas cursor");
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_canvas_item->set_ignore_events (true);
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_canvas_item->set_font_description (Pango::FontDescription (ARDOUR_UI::config()->get_canvasvar_LargerBoldFont()));
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}
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ArdourCanvas::Item *
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VerboseCursor::canvas_item () const
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{
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return _canvas_item;
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}
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/** Set the contents and position of the cursor. Coordinates are in window space
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*/
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void
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VerboseCursor::set (string const & text, double x, double y)
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{
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set_text (text);
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set_position (x, y);
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}
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void
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VerboseCursor::set_text (string const & text)
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{
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_canvas_item->set (text);
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}
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/** @param xoffset x offset to be applied on top of any set_position() call
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* before the next show ().
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* @param yoffset y offset as above.
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*/
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void
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VerboseCursor::show (double xoffset, double yoffset)
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{
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_xoffset = xoffset;
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_yoffset = yoffset;
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if (_visible) {
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return;
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}
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_canvas_item->raise_to_top ();
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_canvas_item->show ();
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_visible = true;
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}
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void
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VerboseCursor::hide ()
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{
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_canvas_item->hide ();
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_visible = false;
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}
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double
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VerboseCursor::clamp_x (double x)
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{
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_editor->clamp_verbose_cursor_x (x);
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return x;
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}
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double
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VerboseCursor::clamp_y (double y)
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{
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_editor->clamp_verbose_cursor_y (y);
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return y;
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}
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void
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VerboseCursor::set_time (framepos_t frame, double x, double y)
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{
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char buf[128];
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Timecode::Time timecode;
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Timecode::BBT_Time bbt;
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int hours, mins;
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framepos_t frame_rate;
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float secs;
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if (_editor->_session == 0) {
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return;
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}
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AudioClock::Mode m;
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if (Profile->get_sae() || Profile->get_small_screen() || Profile->get_trx()) {
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m = ARDOUR_UI::instance()->primary_clock->mode();
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} else {
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m = ARDOUR_UI::instance()->secondary_clock->mode();
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}
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switch (m) {
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case AudioClock::BBT:
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_editor->_session->bbt_time (frame, bbt);
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snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, bbt.bars, bbt.beats, bbt.ticks);
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break;
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case AudioClock::Timecode:
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_editor->_session->timecode_time (frame, timecode);
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snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%02" PRId32 ":%02" PRId32, timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
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break;
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case AudioClock::MinSec:
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/* XXX this is copied from show_verbose_duration_cursor() */
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frame_rate = _editor->_session->frame_rate();
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hours = frame / (frame_rate * 3600);
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frame = frame % (frame_rate * 3600);
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mins = frame / (frame_rate * 60);
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frame = frame % (frame_rate * 60);
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secs = (float) frame / (float) frame_rate;
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snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%07.4f", hours, mins, secs);
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break;
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default:
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snprintf (buf, sizeof(buf), "%" PRIi64, frame);
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break;
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}
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set (buf, x, y);
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}
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void
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VerboseCursor::set_duration (framepos_t start, framepos_t end, double x, double y)
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{
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char buf[128];
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Timecode::Time timecode;
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Timecode::BBT_Time sbbt;
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Timecode::BBT_Time ebbt;
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int hours, mins;
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framepos_t distance, frame_rate;
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float secs;
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Meter meter_at_start (_editor->_session->tempo_map().meter_at(start));
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if (_editor->_session == 0) {
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return;
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}
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AudioClock::Mode m;
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if (Profile->get_sae() || Profile->get_small_screen() || Profile->get_trx()) {
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m = ARDOUR_UI::instance()->primary_clock->mode ();
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} else {
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m = ARDOUR_UI::instance()->secondary_clock->mode ();
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}
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switch (m) {
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case AudioClock::BBT:
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{
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_editor->_session->bbt_time (start, sbbt);
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_editor->_session->bbt_time (end, ebbt);
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/* subtract */
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/* XXX this computation won't work well if the
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user makes a selection that spans any meter changes.
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*/
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/* use signed integers for the working values so that
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we can underflow.
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*/
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int ticks = ebbt.ticks;
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int beats = ebbt.beats;
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int bars = ebbt.bars;
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ticks -= sbbt.ticks;
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if (ticks < 0) {
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ticks += int (Timecode::BBT_Time::ticks_per_beat);
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--beats;
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}
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beats -= sbbt.beats;
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if (beats < 0) {
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beats += int (meter_at_start.divisions_per_bar());
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--bars;
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}
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bars -= sbbt.bars;
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snprintf (buf, sizeof (buf), "%02" PRIu32 "|%02" PRIu32 "|%02" PRIu32, bars, beats, ticks);
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break;
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}
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case AudioClock::Timecode:
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_editor->_session->timecode_duration (end - start, timecode);
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snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%02" PRId32 ":%02" PRId32, timecode.hours, timecode.minutes, timecode.seconds, timecode.frames);
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break;
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case AudioClock::MinSec:
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/* XXX this stuff should be elsewhere.. */
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distance = end - start;
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frame_rate = _editor->_session->frame_rate();
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hours = distance / (frame_rate * 3600);
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distance = distance % (frame_rate * 3600);
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mins = distance / (frame_rate * 60);
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distance = distance % (frame_rate * 60);
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secs = (float) distance / (float) frame_rate;
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snprintf (buf, sizeof (buf), "%02" PRId32 ":%02" PRId32 ":%07.4f", hours, mins, secs);
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break;
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default:
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snprintf (buf, sizeof(buf), "%" PRIi64, end - start);
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break;
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}
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set (buf, x, y);
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}
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void
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VerboseCursor::set_color (uint32_t color)
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{
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_canvas_item->set_color (color);
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}
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/** Set the position of the verbose cursor. Any x/y offsets
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* passed to the last call to show() will be applied to the
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* coordinates passed in here.
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*
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* Coordinates are in window space.
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*/
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void
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VerboseCursor::set_position (double x, double y)
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{
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_canvas_item->set_x_position (clamp_x (x + _xoffset));
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_canvas_item->set_y_position (clamp_y (y + _yoffset));
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}
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bool
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VerboseCursor::visible () const
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{
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return _visible;
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}
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