2 Copyright (C) 2001-2004 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.
21 #ifndef __gtk_ardour_region_view_h__
22 #define __gtk_ardour_region_view_h__
26 #include <libgnomecanvasmm.h>
27 #include <libgnomecanvasmm/polygon.h>
28 #include <sigc++/signal.h>
29 #include <ardour/region.h>
31 #include "time_axis_view_item.h"
32 #include "automation_line.h"
43 class AudioTimeAxisView;
44 class AudioRegionGainLine;
45 class AudioRegionEditor;
47 class AutomationTimeAxisView;
49 class AudioRegionView : public TimeAxisViewItem
52 AudioRegionView (ArdourCanvas::Group *,
55 double initial_samples_per_unit,
56 Gdk::Color& basic_color);
60 virtual void init (double amplitude_above_axis, Gdk::Color& base_color, bool wait_for_waves);
62 ARDOUR::AudioRegion& region; // ok, let 'em have it
63 bool is_valid() const { return valid; }
64 void set_valid (bool yn) { valid = yn; }
66 std::string get_item_name();
67 void set_height (double);
68 void set_samples_per_unit (double);
69 bool set_duration (jack_nframes_t, void*);
71 void set_amplitude_above_axis (gdouble spp);
73 void move (double xdelta, double ydelta);
78 void lower_to_bottom ();
80 bool set_position(jack_nframes_t pos, void* src, double* delta = 0);
82 void temporarily_hide_envelope (); // dangerous
83 void unhide_envelope (); // dangerous
85 void set_envelope_visible (bool);
86 void set_waveform_visible (bool yn);
87 void set_waveform_shape (WaveformShape);
89 bool waveform_rectified() const { return _flags & WaveformRectified; }
90 bool waveform_visible() const { return _flags & WaveformVisible; }
91 bool envelope_visible() const { return _flags & EnvelopeVisible; }
93 void show_region_editor ();
94 void hide_region_editor();
96 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
97 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
99 AudioRegionGainLine* get_gain_line() const { return gain_line; }
101 void region_changed (ARDOUR::Change);
102 void envelope_active_changed ();
104 static sigc::signal<void,AudioRegionView*> AudioRegionViewGoingAway;
105 sigc::signal<void> GoingAway;
107 GhostRegion* add_ghost (AutomationTimeAxisView&);
108 void remove_ghost (GhostRegion*);
110 void reset_fade_in_shape_width (jack_nframes_t);
111 void reset_fade_out_shape_width (jack_nframes_t);
112 void set_fade_in_active (bool);
113 void set_fade_out_active (bool);
115 uint32_t get_fill_color ();
117 virtual void entered ();
118 virtual void exited ();
122 /* this constructor allows derived types
123 to specify their visibility requirements
124 to the TimeAxisViewItem parent class
127 AudioRegionView (ArdourCanvas::Group *,
129 ARDOUR::AudioRegion&,
130 double initial_samples_per_unit,
131 Gdk::Color& basic_color,
132 TimeAxisViewItem::Visibility);
135 EnvelopeVisible = 0x1,
136 WaveformVisible = 0x4,
137 WaveformRectified = 0x8
140 vector<ArdourCanvas::WaveView *> waves; /* waveviews */
141 vector<ArdourCanvas::WaveView *> tmp_waves; /* see ::create_waves()*/
142 ArdourCanvas::Polygon* sync_mark; /* polgyon for sync position */
143 ArdourCanvas::Text* no_wave_msg; /* text */
144 ArdourCanvas::SimpleLine* zero_line; /* simpleline */
145 ArdourCanvas::Polygon* fade_in_shape; /* polygon */
146 ArdourCanvas::Polygon* fade_out_shape; /* polygon */
147 ArdourCanvas::SimpleRect* fade_in_handle; /* simplerect */
148 ArdourCanvas::SimpleRect* fade_out_handle; /* simplerect */
150 AudioRegionGainLine* gain_line;
151 AudioRegionEditor *editor;
153 vector<ControlPoint *> control_points;
154 double _amplitude_above_axis;
155 double current_visible_sync_position;
159 bool valid; /* see StreamView::redisplay_diskstream() */
164 sigc::connection peaks_ready_connection;
166 void reset_fade_shapes ();
167 void reset_fade_in_shape ();
168 void reset_fade_out_shape ();
169 void fade_in_changed ();
170 void fade_out_changed ();
171 void fade_in_active_changed ();
172 void fade_out_active_changed ();
174 void region_resized (ARDOUR::Change);
175 void region_moved (void *);
176 void region_muted ();
177 void region_locked ();
178 void region_opacity ();
179 void region_layered ();
180 void region_renamed ();
181 void region_sync_changed ();
182 void region_scale_amplitude_changed ();
184 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
187 void create_waves ();
188 void create_one_wave (uint32_t, bool);
189 void manage_zero_line ();
190 void peaks_ready_handler (uint32_t);
191 void reset_name (gdouble width);
192 void set_flags (XMLNode *);
196 void compute_colors (Gdk::Color&);
197 virtual void set_frame_color ();
198 void reset_width_dependent_items (double pixel_width);
199 void set_waveview_data_src();
201 vector<GnomeCanvasWaveViewCache*> wave_caches;
202 vector<GhostRegion*> ghosts;
204 void color_handler (ColorID, uint32_t);
207 #endif /* __gtk_ardour_region_view_h__ */