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"
28 #include "ardour/beats_frames_converter.h"
30 #include "time_axis_view_item.h"
31 #include "automation_line.h"
38 class AutomationTimeAxisView;
39 class AutomationRegionView;
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);
51 RegionView (const RegionView& other, boost::shared_ptr<ARDOUR::Region> other_region);
55 virtual void init (Gdk::Color& base_color, bool wait_for_data);
57 boost::shared_ptr<ARDOUR::Region> region() const { return _region; }
59 bool is_valid() const { return valid; }
61 void set_valid (bool yn) { valid = yn; }
63 virtual void set_height (double);
64 virtual void set_samples_per_unit (double);
65 virtual bool set_duration (nframes_t, void*);
67 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 () {}
76 virtual void hide_region_editor();
78 virtual void region_changed (ARDOUR::Change);
80 virtual GhostRegion* add_ghost (TimeAxisView&) = 0;
81 void remove_ghost_in (TimeAxisView&);
82 void remove_ghost (GhostRegion*);
84 uint32_t get_fill_color ();
86 virtual void entered () {}
87 virtual void exited () {}
89 void enable_display(bool yn) { _enable_display = yn; }
90 void update_coverage_frames (LayerDisplay);
92 static sigc::signal<void,RegionView*> RegionViewGoingAway;
96 /** Allows derived types to specify their visibility requirements
97 * to the TimeAxisViewItem parent class
99 RegionView (ArdourCanvas::Group *,
101 boost::shared_ptr<ARDOUR::Region>,
102 double samples_per_unit,
103 Gdk::Color& basic_color,
105 TimeAxisViewItem::Visibility);
107 virtual void region_resized (ARDOUR::Change);
108 virtual void region_muted ();
109 void region_locked ();
110 void region_opacity ();
111 virtual void region_renamed ();
112 void region_sync_changed ();
114 Glib::ustring make_name () const;
116 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
119 virtual void set_colors ();
120 virtual void compute_colors (Gdk::Color&);
121 virtual void set_frame_color ();
122 virtual void reset_width_dependent_items (double pixel_width);
124 virtual void color_handler () {}
126 boost::shared_ptr<ARDOUR::Region> _region;
128 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
129 ArdourCanvas::Line* sync_line; ///< polgyon for sync position
131 RegionEditor* editor;
133 std::vector<ControlPoint *> control_points;
134 double current_visible_sync_position;
136 bool valid; ///< see StreamView::redisplay_diskstream()
137 bool _enable_display; ///< see StreamView::redisplay_diskstream()
143 sigc::connection data_ready_connection;
145 std::vector<GhostRegion*> ghosts;
147 /** a list of rectangles which are used in stacked display mode to colour
148 different bits of regions according to whether or not they are the one
149 that will be played at any given time.
151 std::list<ArdourCanvas::SimpleRect*> _coverage_frames;
153 ARDOUR::BeatsFramesConverter _time_converter;
156 #endif /* __gtk_ardour_region_view_h__ */