2 Copyright (C) 2001-2006 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.
19 #ifndef __gtk_ardour_region_view_h__
20 #define __gtk_ardour_region_view_h__
24 #include <libgnomecanvasmm.h>
25 #include <libgnomecanvasmm/polygon.h>
26 #include <sigc++/signal.h>
27 #include <ardour/region.h>
29 #include "time_axis_view_item.h"
30 #include "automation_line.h"
38 class AutomationTimeAxisView;
40 class RegionView : public TimeAxisViewItem
43 RegionView (ArdourCanvas::Group* parent,
44 TimeAxisView& time_view,
45 boost::shared_ptr<ARDOUR::Region> region,
46 double samples_per_unit,
47 Gdk::Color& basic_color);
49 RegionView (const RegionView& other);
53 virtual void init (Gdk::Color& base_color, bool wait_for_data);
55 boost::shared_ptr<ARDOUR::Region> region() const { return _region; }
57 bool is_valid() const { return valid; }
60 void set_valid (bool yn) { valid = yn; }
62 virtual void set_samples_per_unit (double);
63 virtual bool set_duration (nframes_t, void*);
65 void move (double xdelta, double ydelta);
68 void lower_to_bottom ();
70 bool set_position(nframes_t pos, void* src, double* delta = 0);
71 void fake_set_opaque (bool yn);
73 virtual void show_region_editor () = 0;
74 virtual void hide_region_editor();
76 virtual void region_changed (ARDOUR::Change);
78 virtual GhostRegion* add_ghost (AutomationTimeAxisView&) = 0;
79 void remove_ghost (GhostRegion*);
81 uint32_t get_fill_color ();
83 virtual void entered () {}
84 virtual void exited () {}
86 void enable_display(bool yn) { _enable_display = yn; }
88 static sigc::signal<void,RegionView*> RegionViewGoingAway;
89 sigc::signal<void> GoingAway;
93 /** Allows derived types to specify their visibility requirements
94 * to the TimeAxisViewItem parent class
96 RegionView (ArdourCanvas::Group *,
98 boost::shared_ptr<ARDOUR::Region>,
99 double samples_per_unit,
100 Gdk::Color& basic_color,
101 TimeAxisViewItem::Visibility);
103 virtual void region_resized (ARDOUR::Change);
104 virtual void region_muted ();
105 void region_locked ();
106 void region_opacity ();
107 void region_layered ();
108 virtual void region_renamed ();
109 void region_sync_changed ();
111 Glib::ustring make_name () const;
113 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
116 virtual void set_colors ();
117 virtual void compute_colors (Gdk::Color&);
118 virtual void set_frame_color ();
119 virtual void reset_width_dependent_items (double pixel_width);
121 virtual void color_handler () {}
123 boost::shared_ptr<ARDOUR::Region> _region;
125 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
127 RegionEditor* editor;
129 vector<ControlPoint *> control_points;
130 double current_visible_sync_position;
132 bool valid; ///< see StreamView::redisplay_diskstream()
133 bool _enable_display; ///< see StreamView::redisplay_diskstream()
138 sigc::connection data_ready_connection;
140 vector<GhostRegion*> ghosts;
143 #endif /* __gtk_ardour_region_view_h__ */