356 lines
8.5 KiB
C++
356 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 <sigc++/bind.h>
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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 "utils.h"
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#include "canvas_impl.h"
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#include "i18n.h"
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Marker::Marker (PublicEditor& ed, ArdourCanvas::Group& parent, guint32 rgba, const string& annotation,
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Type type, jack_nframes_t frame, bool handle_events)
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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 ArdourCanvas::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 ArdourCanvas::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 ArdourCanvas::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 ArdourCanvas::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 ArdourCanvas::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 ArdourCanvas::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 ArdourCanvas::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 ArdourCanvas::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->property_x() = unit_position;
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group->property_y() = 1.0;
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// cerr << "set mark al points, nc = " << points->num_points << endl;
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mark = new Polygon (*group);
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mark->property_points() = *points;
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mark->property_fill_color_rgba() = rgba;
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mark->property_outline_color() = "black";
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Pango::FontDescription font = get_font_for_style (N_("MarkerText"));
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text = new Text (*group);
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text->property_text() = annotation.c_str();
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text->property_x() = label_offset;
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text->property_y() = 0.0;
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text->property_font_desc() = font;
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text->property_anchor() = Gtk::ANCHOR_NW;
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text->property_fill_color() = "black";
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editor.ZoomChanged.connect (mem_fun (*this, &Marker::reposition));
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mark->set_data ("marker", this);
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if (handle_events) {
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group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_marker_event), mark, this));
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}
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}
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Marker::~Marker ()
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{
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/* destroying the parent group destroys its contents, namely any polygons etc. that we added */
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delete text;
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delete mark;
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delete points;
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}
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ArdourCanvas::Item&
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Marker::the_item() const
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{
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return *mark;
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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->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->property_fill_color_rgba() = color;
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}
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/***********************************************************************/
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TempoMarker::TempoMarker (PublicEditor& editor, ArdourCanvas::Group& parent, guint32 rgba, const string& text,
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ARDOUR::TempoSection& temp)
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: Marker (editor, parent, rgba, text, Tempo, 0, false),
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_tempo (temp)
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{
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set_position (_tempo.frame());
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group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_tempo_marker_event), mark, 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, ArdourCanvas::Group& parent, guint32 rgba, const string& text,
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ARDOUR::MeterSection& m)
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: Marker (editor, parent, rgba, text, Meter, 0, false),
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_meter (m)
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{
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set_position (_meter.frame());
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group->signal_event().connect (bind (mem_fun (editor, &PublicEditor::canvas_meter_marker_event), mark, this));
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}
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MeterMarker::~MeterMarker ()
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{
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}
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