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 ArdourMarker : public sigc::trackable
48 SessionStart, ///< session start
49 SessionEnd, ///< session end
59 ArdourMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, Type,
60 framepos_t frame = 0, bool handle_events = true);
62 virtual ~ArdourMarker ();
64 static PBD::Signal1<void,ArdourMarker*> CatchDeletion;
66 static void setup_sizes (const double timebar_height);
68 ArdourCanvas::Item& the_item() const;
70 void set_selected (bool);
71 void set_show_line (bool);
72 void canvas_height_set (double);
74 void set_position (framepos_t);
75 void set_name (const std::string&);
76 void set_color_rgba (uint32_t rgba);
79 framepos_t position() const { return frame_position; }
81 ArdourCanvas::Container * get_parent() { return _parent; }
82 void reparent (ArdourCanvas::Container & parent);
87 Type type () { return _type; }
89 void set_left_label_limit (double);
90 void set_right_label_limit (double);
92 std::string name () const {
96 bool label_on_left () const;
101 Pango::FontDescription name_font;
103 ArdourCanvas::Container* _parent;
104 ArdourCanvas::Container *group;
105 ArdourCanvas::Polygon *mark;
106 ArdourCanvas::Text *_name_item;
107 ArdourCanvas::Points *points;
108 ArdourCanvas::Line* _track_canvas_line;
109 ArdourCanvas::Rectangle* _name_background;
112 double unit_position;
113 framepos_t frame_position;
120 double _canvas_height;
122 double _left_label_limit; ///< the number of pixels available to the left of this marker for a label
123 double _right_label_limit; ///< the number of pixels available to the right of this marker for a label
124 double _label_offset;
127 void setup_line_x ();
128 void setup_name_display ();
131 /* disallow copy construction */
132 ArdourMarker (ArdourMarker const &);
133 ArdourMarker & operator= (ArdourMarker const &);
136 class TempoMarker : public ArdourMarker
139 TempoMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, ARDOUR::TempoSection&);
142 ARDOUR::TempoSection& tempo() const { return _tempo; }
145 ARDOUR::TempoSection& _tempo;
148 class MeterMarker : public ArdourMarker
151 MeterMarker (PublicEditor& editor, ArdourCanvas::Container &, guint32 rgba, const std::string& text, ARDOUR::MeterSection&);
154 ARDOUR::MeterSection& meter() const { return _meter; }
157 ARDOUR::MeterSection& _meter;
160 #endif /* __gtk_ardour_marker_h__ */