2 Copyright (C) 2001 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtk_ardour_marker_h__
21 #define __gtk_ardour_marker_h__
26 #include <sigc++/signal.h>
28 #include "ardour/ardour.h"
29 #include "pbd/signals.h"
31 #include "canvas/fwd.h"
32 #include "canvas/types.h"
41 class Marker : public sigc::trackable
48 SessionStart, ///< session start
49 SessionEnd, ///< session end
59 Marker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, Type,
60 framepos_t frame = 0, bool handle_events = true);
64 static PBD::Signal1<void,Marker*> CatchDeletion;
66 ArdourCanvas::Item& the_item() const;
68 void set_selected (bool);
69 void set_show_line (bool);
70 void canvas_height_set (double);
72 void set_position (framepos_t);
73 void set_name (const std::string&);
74 void set_color_rgba (uint32_t rgba);
77 framepos_t position() const { return frame_position; }
79 ArdourCanvas::Container * get_parent() { return _parent; }
80 void reparent (ArdourCanvas::Container & parent);
85 Type type () { return _type; }
87 void set_left_label_limit (double);
88 void set_right_label_limit (double);
90 std::string name () const {
94 bool label_on_left () const;
99 Pango::FontDescription name_font;
101 ArdourCanvas::Container* _parent;
102 ArdourCanvas::Container *group;
103 ArdourCanvas::Polygon *mark;
104 ArdourCanvas::Text *_name_item;
105 ArdourCanvas::Points *points;
106 ArdourCanvas::Line* _track_canvas_line;
107 ArdourCanvas::Rectangle* _name_background;
110 double unit_position;
111 framepos_t frame_position;
118 double _canvas_height;
120 double _left_label_limit; ///< the number of pixels available to the left of this marker for a label
121 double _right_label_limit; ///< the number of pixels available to the right of this marker for a label
122 double _label_offset;
125 void setup_line_x ();
126 void setup_name_display ();
129 /* disallow copy construction */
130 Marker (Marker const &);
131 Marker & operator= (Marker const &);
134 class TempoMarker : public Marker
137 TempoMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, ARDOUR::TempoSection&);
140 ARDOUR::TempoSection& tempo() const { return _tempo; }
143 ARDOUR::TempoSection& _tempo;
146 class MeterMarker : public Marker
149 MeterMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, ARDOUR::MeterSection&);
152 ARDOUR::MeterSection& meter() const { return _meter; }
155 ARDOUR::MeterSection& _meter;
158 #endif /* __gtk_ardour_marker_h__ */