348 lines
8.5 KiB
C++
348 lines
8.5 KiB
C++
/*
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Copyright (C) 2001 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 <ardour/tempo.h>
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#include "marker.h"
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#include "public_editor.h"
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#include "canvas-simpleline.h"
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#include "utils.h"
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#include "i18n.h"
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Marker::Marker (PublicEditor& ed, Gnome::Canvas::Group& parent, guint32 rgba, const string& annotation,
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Type type, gint (*callback)(Gnome::Canvas::Item *, GdkEvent *, gpointer), jack_nframes_t frame)
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: editor (ed), _type(type)
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{
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double label_offset = 0;
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/* Shapes we use:
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Mark:
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(0,0) -> (6,0)
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^ |
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| V
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(0,5) (6,5)
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\ /
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(3,10)
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TempoMark:
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MeterMark:
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(3,0)
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/ \
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(0,5) -> (6,5)
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^ |
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| V
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(0,10)<-(6,10)
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Start:
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0,0 -> 5,0
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| \
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| 10,5
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| /
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0,10 -> 5,10
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End:
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5,0 -> 10,0
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/ |
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0,5 |
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\ |
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5,10 <-10,10
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TransportStart:
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0,0->3,0
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| 3,8 -> 7,8
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0,11 ------ 7,11
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TransportEnd:
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4,0->7,0
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0,8 ---- 4,8 |
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0,11 -------- 7,11
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PunchIn:
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0,0 ------> 8,0
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| /
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| /
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| 4,5
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0,11->4,11
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PunchOut
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0,0 -->-8,0
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\ |
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\ |
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4,5 |
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4,11->8,11
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*/
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switch (type) {
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case Mark:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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points->push_back (Gnome::Art::Point (6.0, 0.0));
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points->push_back (Gnome::Art::Point (6.0, 5.0));
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points->push_back (Gnome::Art::Point (3.0, 10.0));
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points->push_back (Gnome::Art::Point (0.0, 5.0));
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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shift = 3;
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label_offset = 8.0;
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break;
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case Tempo:
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case Meter:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (3.0, 0.0));
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points->push_back (Gnome::Art::Point (6.0, 5.0));
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points->push_back (Gnome::Art::Point (6.0, 10.0));
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points->push_back (Gnome::Art::Point (0.0, 10.0));
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points->push_back (Gnome::Art::Point (0.0, 5.0));
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points->push_back (Gnome::Art::Point (3.0, 0.0));
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shift = 3;
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label_offset = 8.0;
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break;
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case Start:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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points->push_back (Gnome::Art::Point (5.0, 0.0));
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points->push_back (Gnome::Art::Point (10.0, 5.0));
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points->push_back (Gnome::Art::Point (5.0, 10.0));
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points->push_back (Gnome::Art::Point (0.0, 10.0));
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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shift = 10;
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label_offset = 12.0;
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break;
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case End:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (5.0, 0.0));
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points->push_back (Gnome::Art::Point (10.0, 0.0));
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points->push_back (Gnome::Art::Point (10.0, 10.0));
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points->push_back (Gnome::Art::Point (5.0, 10.0));
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points->push_back (Gnome::Art::Point (0.0, 5.0));
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points->push_back (Gnome::Art::Point (5.0, 0.0));
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shift = 0;
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label_offset = 12.0;
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break;
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case LoopStart:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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points->push_back (Gnome::Art::Point (4.0, 0.0));
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points->push_back (Gnome::Art::Point (4.0, 8.0));
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points->push_back (Gnome::Art::Point (8.0, 8.0));
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points->push_back (Gnome::Art::Point (8.0, 11.0));
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points->push_back (Gnome::Art::Point (0.0, 11.0));
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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shift = 0;
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label_offset = 11.0;
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break;
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case LoopEnd:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (8.0, 0.0));
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points->push_back (Gnome::Art::Point (8.0, 11.0));
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points->push_back (Gnome::Art::Point (0.0, 11.0));
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points->push_back (Gnome::Art::Point (0.0, 8.0));
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points->push_back (Gnome::Art::Point (4.0, 8.0));
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points->push_back (Gnome::Art::Point (4.0, 0.0));
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points->push_back (Gnome::Art::Point (8.0, 0.0));
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shift = 8;
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label_offset = 11.0;
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break;
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case PunchIn:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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points->push_back (Gnome::Art::Point (8.0, 0.0));
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points->push_back (Gnome::Art::Point (4.0, 4.0));
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points->push_back (Gnome::Art::Point (4.0, 11.0));
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points->push_back (Gnome::Art::Point (0.0, 11.0));
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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shift = 0;
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label_offset = 10.0;
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break;
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case PunchOut:
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points = new Gnome::Canvas::Points ();
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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points->push_back (Gnome::Art::Point (8.0, 0.0));
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points->push_back (Gnome::Art::Point (8.0, 11.0));
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points->push_back (Gnome::Art::Point (4.0, 11.0));
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points->push_back (Gnome::Art::Point (4.0, 4.0));
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points->push_back (Gnome::Art::Point (0.0, 0.0));
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shift = 8;
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label_offset = 11.0;
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break;
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}
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frame_position = frame;
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unit_position = editor.frame_to_unit (frame);
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/* adjust to properly locate the tip */
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unit_position -= shift;
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group = &parent;
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group->set_property ("x", unit_position);
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group->set_property ("y", 1.0);
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// cerr << "set mark al points, nc = " << points->num_points << endl;
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mark = new Gnome::Canvas::Polygon (*group);
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mark->set_property ("points", points);
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mark->set_property ("fill_color_rgba", rgba);
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mark->set_property ("outline_color", Gdk::Color ("black"));
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Pango::FontDescription font = get_font_for_style (N_("MarkerText"));
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text = new Gnome::Canvas::Text (*group);
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text->set_property ("text", annotation.c_str());
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text->set_property ("x", label_offset);
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text->set_property ("y", 0.0);
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text->set_property ("fontdesc", font);
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text->set_property ("anchor", Gtk::ANCHOR_NW);
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text->set_property ("fill_color", Gdk::Color ("black"));
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group->set_data ("marker", this);
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gtk_signal_connect (GTK_OBJECT(group), "event", (GtkSignalFunc) callback, &editor);
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editor.ZoomChanged.connect (mem_fun(*this, &Marker::reposition));
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}
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Marker::~Marker ()
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{
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/* destroying the group destroys its contents */
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gtk_object_destroy (GTK_OBJECT(group));
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gnome_canvas_points_unref (points->gobj());
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}
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void
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Marker::set_name (const string& name)
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{
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text->set_property ("text", name.c_str());
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}
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void
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Marker::set_position (jack_nframes_t frame)
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{
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double new_unit_position = editor.frame_to_unit (frame);
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new_unit_position -= shift;
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group->move (new_unit_position - unit_position, 0.0);
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frame_position = frame;
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unit_position = new_unit_position;
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}
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void
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Marker::reposition ()
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{
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set_position (frame_position);
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}
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void
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Marker::show ()
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{
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group->show();
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}
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void
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Marker::hide ()
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{
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group->hide();
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}
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void
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Marker::set_color_rgba (uint32_t color)
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{
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mark->set_property ("fill_color_rgba", color);
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}
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/***********************************************************************/
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TempoMarker::TempoMarker (PublicEditor& editor, Gnome::Canvas::Group& parent, guint32 rgba, const string& text,
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ARDOUR::TempoSection& temp,
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gint (*callback)(Gnome::Canvas::Item *, GdkEvent *, gpointer))
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: Marker (editor, parent, rgba, text, Tempo, callback, 0),
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_tempo (temp)
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{
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set_position (_tempo.frame());
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group->set_data ("tempo_marker", this);
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}
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TempoMarker::~TempoMarker ()
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{
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}
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/***********************************************************************/
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MeterMarker::MeterMarker (PublicEditor& editor, Gnome::Canvas::Group& parent, guint32 rgba, const string& text,
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ARDOUR::MeterSection& m,
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gint (*callback)(Gnome::Canvas::Item *, GdkEvent *, gpointer))
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: Marker (editor, parent, rgba, text, Meter, callback, 0),
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_meter (m)
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{
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set_position (_meter.frame());
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gtk_object_set_data (GTK_OBJECT(group), "meter_marker", this);
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}
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MeterMarker::~MeterMarker ()
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{
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}
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