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"
39 class AutomationTimeAxisView;
41 class RegionView : public TimeAxisViewItem
44 RegionView (ArdourCanvas::Group* parent,
45 TimeAxisView& time_view,
46 boost::shared_ptr<ARDOUR::Region> region,
47 double samples_per_unit,
48 Gdk::Color& basic_color);
50 RegionView (const RegionView& other);
54 virtual void init (Gdk::Color& base_color, bool wait_for_data);
56 boost::shared_ptr<ARDOUR::Region> region() const { return _region; }
58 bool is_valid() const { return valid; }
59 void set_valid (bool yn) { valid = yn; }
61 virtual void set_height (double) = 0;
62 virtual void set_samples_per_unit (double);
63 virtual bool set_duration (nframes_t, void*);
65 void move (double xdelta, double ydelta);
70 void lower_to_bottom ();
72 bool set_position(nframes_t pos, void* src, double* delta = 0);
73 void fake_set_opaque (bool yn);
75 virtual void show_region_editor () = 0;
76 virtual void hide_region_editor();
78 virtual void region_changed (ARDOUR::Change);
80 virtual GhostRegion* add_ghost (AutomationTimeAxisView&) = 0;
81 void remove_ghost (GhostRegion*);
83 uint32_t get_fill_color ();
85 virtual void entered () {}
86 virtual void exited () {}
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 void region_moved (void *);
105 virtual void region_muted ();
106 void region_locked ();
107 void region_opacity ();
108 void region_layered ();
109 void region_renamed ();
110 void region_sync_changed ();
112 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
115 virtual void set_colors ();
116 virtual void compute_colors (Gdk::Color&);
117 virtual void set_frame_color ();
118 virtual void reset_width_dependent_items (double pixel_width);
120 virtual void color_handler (ColorID, uint32_t) {}
122 boost::shared_ptr<ARDOUR::Region> _region;
124 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
126 RegionEditor* editor;
128 vector<ControlPoint *> control_points;
129 double current_visible_sync_position;
131 bool valid; ///< see StreamView::redisplay_diskstream()
137 sigc::connection data_ready_connection;
139 vector<GhostRegion*> ghosts;
142 #endif /* __gtk_ardour_region_view_h__ */