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 void trim_start (framepos_t, bool);
100 void trim_end (framepos_t, bool);
101 void trim_contents (framepos_t, bool, bool);
102 virtual void thaw_after_trim ();
106 /** Allows derived types to specify their visibility requirements
107 * to the TimeAxisViewItem parent class
109 RegionView (ArdourCanvas::Group *,
111 boost::shared_ptr<ARDOUR::Region>,
112 double samples_per_unit,
113 Gdk::Color const & basic_color,
115 TimeAxisViewItem::Visibility);
117 virtual void region_resized (const PBD::PropertyChange&);
118 virtual void region_muted ();
119 void region_locked ();
120 void region_opacity ();
121 virtual void region_renamed ();
122 void region_sync_changed ();
124 std::string make_name () const;
126 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
129 virtual void set_colors ();
130 virtual void set_frame_color ();
131 virtual void reset_width_dependent_items (double pixel_width);
133 virtual void color_handler () {}
135 boost::shared_ptr<ARDOUR::Region> _region;
137 ArdourCanvas::Polygon* sync_mark; ///< polgyon for sync position
138 ArdourCanvas::Line* sync_line; ///< polgyon for sync position
140 RegionEditor* editor;
142 std::vector<ControlPoint *> control_points;
143 double current_visible_sync_position;
145 bool valid; ///< see StreamView::redisplay_diskstream()
146 bool _enable_display; ///< see StreamView::redisplay_diskstream()
152 std::vector<GhostRegion*> ghosts;
154 /** a list of rectangles which are used in stacked display mode to colour
155 different bits of regions according to whether or not they are the one
156 that will be played at any given time.
158 std::list<ArdourCanvas::SimpleRect*> _coverage_frames;
160 ARDOUR::BeatsFramesConverter _time_converter;
163 #endif /* __gtk_ardour_region_view_h__ */