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,
49 bool automation = false);
51 RegionView (const RegionView& other);
52 RegionView (const RegionView& other, boost::shared_ptr<ARDOUR::Region> other_region);
56 virtual void init (Gdk::Color const & base_color, bool wait_for_data);
58 boost::shared_ptr<ARDOUR::Region> region() const { return _region; }
60 bool is_valid() const { return valid; }
62 void set_valid (bool yn) { valid = yn; }
64 virtual void set_height (double);
65 virtual void set_samples_per_unit (double);
66 virtual bool set_duration (framecnt_t, void*);
68 void move (double xdelta, double ydelta);
71 void lower_to_bottom ();
73 bool set_position(framepos_t pos, void* src, double* delta = 0);
74 void fake_set_opaque (bool yn);
76 virtual void show_region_editor ();
77 void hide_region_editor ();
79 virtual void region_changed (const PBD::PropertyChange&);
81 virtual GhostRegion* add_ghost (TimeAxisView&) = 0;
82 void remove_ghost_in (TimeAxisView&);
83 void remove_ghost (GhostRegion*);
85 uint32_t get_fill_color ();
87 virtual void entered (bool) {}
88 virtual void exited () {}
90 virtual void enable_display(bool yn) { _enable_display = yn; }
91 virtual void update_coverage_frames (LayerDisplay);
93 static PBD::Signal1<void,RegionView*> RegionViewGoingAway;
95 ARDOUR::BeatsFramesConverter const & time_converter () {
96 return _time_converter;
99 /** Called when a front trim is about to begin */
100 virtual void trim_front_starting () {}
102 void trim_front (framepos_t, bool);
104 /** Called when a start trim has finished */
105 virtual void trim_front_ending () {}
107 void trim_end (framepos_t, bool);
108 void trim_contents (framepos_t, bool, bool);
109 virtual void thaw_after_trim ();
113 /** Allows derived types to specify their visibility requirements
114 * to the TimeAxisViewItem parent class
116 RegionView (ArdourCanvas::Group *,
118 boost::shared_ptr<ARDOUR::Region>,
119 double samples_per_unit,
120 Gdk::Color const & basic_color,
122 TimeAxisViewItem::Visibility);
124 virtual void region_resized (const PBD::PropertyChange&);
125 virtual void region_muted ();
126 void region_locked ();
127 void region_opacity ();
128 virtual void region_renamed ();
129 void region_sync_changed ();
131 std::string make_name () const;
133 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
136 virtual void set_colors ();
137 virtual void set_frame_color ();
138 virtual void reset_width_dependent_items (double pixel_width);
140 virtual void color_handler () {}
142 boost::shared_ptr<ARDOUR::Region> _region;
144 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
145 ArdourCanvas::Line* sync_line; ///< polgyon for sync position
147 RegionEditor* editor;
149 std::vector<ControlPoint *> control_points;
150 double current_visible_sync_position;
152 bool valid; ///< see StreamView::redisplay_diskstream()
153 bool _enable_display; ///< see StreamView::redisplay_diskstream()
159 std::vector<GhostRegion*> ghosts;
161 /** a list of rectangles which are used in stacked display mode to colour
162 different bits of regions according to whether or not they are the one
163 that will be played at any given time.
165 std::list<ArdourCanvas::SimpleRect*> _coverage_frames;
167 ARDOUR::BeatsFramesConverter _time_converter;
170 #endif /* __gtk_ardour_region_view_h__ */