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);
52 virtual void init (Gdk::Color& base_color, bool wait_for_data);
54 boost::shared_ptr<ARDOUR::Region> region() const { return _region; }
56 bool is_valid() const { return valid; }
57 void set_valid (bool yn) { valid = yn; }
59 virtual void set_height (double) = 0;
60 virtual void set_samples_per_unit (double);
61 virtual bool set_duration (nframes_t, void*);
63 void move (double xdelta, double ydelta);
68 void lower_to_bottom ();
70 bool set_position(nframes_t pos, void* src, double* delta = 0);
72 virtual void show_region_editor () = 0;
73 virtual void hide_region_editor();
75 virtual void region_changed (ARDOUR::Change);
77 virtual GhostRegion* add_ghost (AutomationTimeAxisView&) = 0;
78 void remove_ghost (GhostRegion*);
80 uint32_t get_fill_color ();
82 virtual void entered () {}
83 virtual void exited () {}
85 static sigc::signal<void,RegionView*> RegionViewGoingAway;
86 sigc::signal<void> GoingAway;
90 /** Allows derived types to specify their visibility requirements
91 * to the TimeAxisViewItem parent class
93 RegionView (ArdourCanvas::Group *,
95 boost::shared_ptr<ARDOUR::Region>,
96 double samples_per_unit,
97 Gdk::Color& basic_color,
98 TimeAxisViewItem::Visibility);
100 virtual void region_resized (ARDOUR::Change);
101 void region_moved (void *);
102 virtual void region_muted ();
103 void region_locked ();
104 void region_opacity ();
105 void region_layered ();
106 void region_renamed ();
107 void region_sync_changed ();
109 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
112 virtual void set_colors ();
113 virtual void compute_colors (Gdk::Color&);
114 virtual void set_frame_color ();
115 virtual void reset_width_dependent_items (double pixel_width);
117 virtual void color_handler (ColorID, uint32_t) {}
119 boost::shared_ptr<ARDOUR::Region> _region;
121 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
122 ArdourCanvas::Text* no_wave_msg;
124 RegionEditor* editor;
126 vector<ControlPoint *> control_points;
127 double current_visible_sync_position;
129 bool valid; ///< see StreamView::redisplay_diskstream()
135 sigc::connection data_ready_connection;
137 vector<GhostRegion*> ghosts;
140 #endif /* __gtk_ardour_region_view_h__ */