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 const & 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 const & 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 (nframes64_t, void*);
67 void move (double xdelta, double ydelta);
70 void lower_to_bottom ();
72 bool set_position(nframes64_t pos, void* src, double* delta = 0);
73 void fake_set_opaque (bool yn);
75 virtual void show_region_editor ();
76 void hide_region_editor ();
78 virtual void region_changed (const PBD::PropertyChange&);
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 (bool) {}
87 virtual void exited () {}
89 virtual void enable_display(bool yn) { _enable_display = yn; }
90 virtual void update_coverage_frames (LayerDisplay);
92 static PBD::Signal1<void,RegionView*> RegionViewGoingAway;
94 ARDOUR::BeatsFramesConverter const & time_converter () {
95 return _time_converter;
100 /** Allows derived types to specify their visibility requirements
101 * to the TimeAxisViewItem parent class
103 RegionView (ArdourCanvas::Group *,
105 boost::shared_ptr<ARDOUR::Region>,
106 double samples_per_unit,
107 Gdk::Color const & basic_color,
109 TimeAxisViewItem::Visibility);
111 virtual void region_resized (const PBD::PropertyChange&);
112 virtual void region_muted ();
113 void region_locked ();
114 void region_opacity ();
115 virtual void region_renamed ();
116 void region_sync_changed ();
118 Glib::ustring make_name () const;
120 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
123 virtual void set_colors ();
124 virtual void set_frame_color ();
125 virtual void reset_width_dependent_items (double pixel_width);
127 virtual void color_handler () {}
129 boost::shared_ptr<ARDOUR::Region> _region;
131 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
132 ArdourCanvas::Line* sync_line; ///< polgyon for sync position
134 RegionEditor* editor;
136 std::vector<ControlPoint *> control_points;
137 double current_visible_sync_position;
139 bool valid; ///< see StreamView::redisplay_diskstream()
140 bool _enable_display; ///< see StreamView::redisplay_diskstream()
146 std::vector<GhostRegion*> ghosts;
148 /** a list of rectangles which are used in stacked display mode to colour
149 different bits of regions according to whether or not they are the one
150 that will be played at any given time.
152 std::list<ArdourCanvas::SimpleRect*> _coverage_frames;
154 ARDOUR::BeatsFramesConverter _time_converter;
157 #endif /* __gtk_ardour_region_view_h__ */