1 /* 2 * Copyright (C) 2005-2019 Paul Davis <paul@linuxaudiosystems.com> 3 * Copyright (C) 2005 Nick Mainsbridge <mainsbridge@gmail.com> 4 * Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com> 5 * Copyright (C) 2006-2014 David Robillard <d@drobilla.net> 6 * Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net> 7 * Copyright (C) 2007 Doug McLain <doug@nostar.net> 8 * Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org> 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License along 21 * with this program; if not, write to the Free Software Foundation, Inc., 22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 23 */ 24 25 #ifndef __ardour_streamview_h__ 26 #define __ardour_streamview_h__ 27 28 #include <list> 29 #include <cmath> 30 31 #include "pbd/signals.h" 32 33 #include "ardour/location.h" 34 #include "enums.h" 35 36 namespace Gdk { 37 class Color; 38 } 39 40 namespace ARDOUR { 41 class Crossfade; 42 class Region; 43 class Route; 44 class Source; 45 class Track; 46 struct PeakData; 47 } 48 49 namespace ArdourCanvas { 50 class Rectangle; 51 class Container; 52 } 53 54 struct RecBoxInfo { 55 ArdourCanvas::Rectangle* rectangle; 56 samplepos_t start; 57 ARDOUR::samplecnt_t length; 58 }; 59 60 class Selectable; 61 class RouteTimeAxisView; 62 class RegionView; 63 class RegionSelection; 64 class CrossfadeView; 65 class Selection; 66 67 class StreamView : public sigc::trackable, public PBD::ScopedConnectionList 68 { 69 public: 70 virtual ~StreamView (); 71 trackview()72 RouteTimeAxisView& trackview() { return _trackview; } trackview()73 const RouteTimeAxisView& trackview() const { return _trackview; } 74 75 void attach (); 76 77 void set_zoom_all(); 78 79 int set_position (gdouble x, gdouble y); 80 virtual int set_height (double); 81 82 virtual int set_samples_per_pixel (double); get_samples_per_pixel()83 gdouble get_samples_per_pixel () const { return _samples_per_pixel; } 84 85 virtual void set_layer_display (LayerDisplay); can_change_layer_display()86 virtual bool can_change_layer_display() const { return true; } layer_display()87 LayerDisplay layer_display () const { return _layer_display; } 88 canvas_item()89 ArdourCanvas::Container* canvas_item() { return _canvas_group; } 90 91 enum ColorTarget { 92 RegionColor, 93 StreamBaseColor 94 }; 95 get_region_color()96 uint32_t get_region_color () const { return region_color; } 97 void apply_color (uint32_t, ColorTarget t); 98 void apply_color (Gdk::Color const &, ColorTarget t); 99 100 uint32_t num_selected_regionviews () const; 101 102 RegionView* find_view (boost::shared_ptr<const ARDOUR::Region>); 103 void foreach_regionview (sigc::slot<void,RegionView*> slot); 104 void foreach_selected_regionview (sigc::slot<void,RegionView*> slot); 105 106 void set_selected_regionviews (RegionSelection&); 107 void get_selectables (ARDOUR::samplepos_t, ARDOUR::samplepos_t, double, double, std::list<Selectable* >&, bool within = false); 108 void get_inverted_selectables (Selection&, std::list<Selectable* >& results); 109 update_contents_metrics(boost::shared_ptr<ARDOUR::Region>)110 virtual void update_contents_metrics(boost::shared_ptr<ARDOUR::Region>) {} 111 112 void add_region_view (boost::weak_ptr<ARDOUR::Region>); 113 114 void region_layered (RegionView*); 115 virtual void update_contents_height (); 116 117 virtual void redisplay_track () = 0; 118 double child_height () const; layers()119 ARDOUR::layer_t layers () const { return _layers; } 120 create_region_view(boost::shared_ptr<ARDOUR::Region>,bool,bool)121 virtual RegionView* create_region_view (boost::shared_ptr<ARDOUR::Region>, bool, bool) { 122 return 0; 123 } 124 125 void check_record_layers (boost::shared_ptr<ARDOUR::Region>, ARDOUR::samplepos_t); 126 127 virtual void playlist_layered (boost::weak_ptr<ARDOUR::Track>); 128 129 sigc::signal<void, RegionView*> RegionViewAdded; 130 sigc::signal<void> RegionViewRemoved; 131 /** Emitted when the height of regions has changed */ 132 sigc::signal<void> ContentsHeightChanged; 133 134 virtual void parameter_changed (std::string const &); 135 136 protected: 137 StreamView (RouteTimeAxisView&, ArdourCanvas::Container* canvas_group = 0); 138 139 void transport_changed(); 140 void transport_looped(); 141 void rec_enable_changed(); 142 void sess_rec_enable_changed(); 143 void create_rec_box(samplepos_t sample_pos, double width); 144 virtual void setup_rec_box () = 0; 145 virtual void update_rec_box (); 146 147 virtual RegionView* add_region_view_internal (boost::shared_ptr<ARDOUR::Region>, 148 bool wait_for_waves, bool recording = false) = 0; 149 virtual void remove_region_view (boost::weak_ptr<ARDOUR::Region> ); 150 151 void display_track (boost::shared_ptr<ARDOUR::Track>); 152 virtual void undisplay_track (); 153 void layer_regions (); 154 155 void playlist_switched (boost::weak_ptr<ARDOUR::Track>); 156 157 virtual void color_handler () = 0; 158 159 RouteTimeAxisView& _trackview; 160 ArdourCanvas::Container* _canvas_group; 161 ArdourCanvas::Rectangle* canvas_rect; /* frame around the whole thing */ 162 163 typedef std::list<RegionView* > RegionViewList; 164 RegionViewList region_views; 165 166 double _samples_per_pixel; 167 168 sigc::connection screen_update_connection; 169 std::vector<RecBoxInfo> rec_rects; 170 std::list< std::pair<boost::shared_ptr<ARDOUR::Region>,RegionView* > > rec_regions; 171 bool rec_updating; 172 bool rec_active; 173 174 uint32_t region_color; ///< Contained region color 175 uint32_t stream_base_color; ///< Background color 176 177 PBD::ScopedConnectionList playlist_connections; 178 PBD::ScopedConnection playlist_switched_connection; 179 180 ARDOUR::layer_t _layers; 181 LayerDisplay _layer_display; 182 183 double height; 184 185 PBD::ScopedConnectionList rec_data_ready_connections; 186 samplepos_t last_rec_data_sample; 187 188 /* When recording, the session time at which a new layer must be created for the region 189 being recorded, or max_samplepos if not applicable. 190 */ 191 samplepos_t _new_rec_layer_time; 192 void setup_new_rec_layer_time (boost::shared_ptr<ARDOUR::Region>); 193 194 private: 195 void update_coverage_frame (); 196 }; 197 198 #endif /* __ardour_streamview_h__ */ 199 200