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 namespace Gnome { namespace Canvas {
45 class RegionView : public TimeAxisViewItem
48 RegionView (ArdourCanvas::Group* parent,
49 TimeAxisView& time_view,
50 boost::shared_ptr<ARDOUR::Region> region,
51 double samples_per_unit,
52 Gdk::Color const & basic_color,
53 bool automation = false);
55 RegionView (const RegionView& other);
56 RegionView (const RegionView& other, boost::shared_ptr<ARDOUR::Region> other_region);
60 virtual void init (Gdk::Color const & base_color, bool wait_for_data);
62 boost::shared_ptr<ARDOUR::Region> region() const { return _region; }
64 bool is_valid() const { return valid; }
66 void set_valid (bool yn) { valid = yn; }
68 virtual void set_height (double);
69 virtual void set_samples_per_unit (double);
70 virtual bool set_duration (framecnt_t, void*);
72 void move (double xdelta, double ydelta);
75 void lower_to_bottom ();
77 bool set_position(framepos_t pos, void* src, double* delta = 0);
78 void fake_set_opaque (bool yn);
80 virtual void show_region_editor ();
81 void hide_region_editor ();
83 virtual void region_changed (const PBD::PropertyChange&);
85 virtual GhostRegion* add_ghost (TimeAxisView&) = 0;
86 void remove_ghost_in (TimeAxisView&);
87 void remove_ghost (GhostRegion*);
89 uint32_t get_fill_color ();
91 virtual void entered (bool) {}
92 virtual void exited () {}
94 virtual void enable_display(bool yn) { _enable_display = yn; }
95 virtual void update_coverage_frames (LayerDisplay);
97 static PBD::Signal1<void,RegionView*> RegionViewGoingAway;
99 ARDOUR::BeatsFramesConverter const & time_converter () {
100 return _time_converter;
103 /** Called when a front trim is about to begin */
104 virtual void trim_front_starting () {}
106 void trim_front (framepos_t, bool);
108 /** Called when a start trim has finished */
109 virtual void trim_front_ending () {}
111 void trim_end (framepos_t, bool);
112 void trim_contents (framepos_t, bool, bool);
113 virtual void thaw_after_trim ();
115 void set_silent_frames (const ARDOUR::AudioIntervalResult&);
116 void drop_silent_frames ();
117 void hide_silent_frames ();
118 void show_silent_frames ();
122 /** Allows derived types to specify their visibility requirements
123 * to the TimeAxisViewItem parent class
125 RegionView (ArdourCanvas::Group *,
127 boost::shared_ptr<ARDOUR::Region>,
128 double samples_per_unit,
129 Gdk::Color const & basic_color,
131 TimeAxisViewItem::Visibility);
133 virtual void region_resized (const PBD::PropertyChange&);
134 virtual void region_muted ();
135 void region_locked ();
136 void region_opacity ();
137 virtual void region_renamed ();
138 void region_sync_changed ();
140 std::string make_name () const;
142 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
145 virtual void set_colors ();
146 virtual void set_frame_color ();
147 virtual void reset_width_dependent_items (double pixel_width);
149 virtual void color_handler () {}
151 boost::shared_ptr<ARDOUR::Region> _region;
153 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
154 ArdourCanvas::Line* sync_line; ///< polgyon for sync position
156 RegionEditor* editor;
158 std::vector<ControlPoint *> control_points;
159 double current_visible_sync_position;
161 bool valid; ///< see StreamView::redisplay_diskstream()
162 bool _enable_display; ///< see StreamView::redisplay_diskstream()
168 std::vector<GhostRegion*> ghosts;
170 /** a list of rectangles which are used in stacked display mode to colour
171 different bits of regions according to whether or not they are the one
172 that will be played at any given time.
174 std::list<ArdourCanvas::SimpleRect*> _coverage_frames;
176 /** a list of rectangles which are used in stacked display mode to colour
177 different bits of regions according to whether or not they are the one
178 that will be played at any given time.
180 std::list<ArdourCanvas::SimpleRect*> _silent_frames;
181 /** a text item to display strip silence statistics
183 ArdourCanvas::NoEventText* _silence_text;
185 ARDOUR::BeatsFramesConverter _time_converter;
188 #endif /* __gtk_ardour_region_view_h__ */