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 void set_height (double);
67 void set_samples_per_unit (double);
68 bool set_duration (jack_nframes_t, void*);
70 void set_amplitude_above_axis (gdouble spp);
72 void move (double xdelta, double ydelta);
77 void lower_to_bottom ();
79 bool set_position(jack_nframes_t pos, void* src, double* delta = 0);
81 void temporarily_hide_envelope (); // dangerous
82 void unhide_envelope (); // dangerous
84 void set_envelope_visible (bool);
85 void set_waveform_visible (bool yn);
86 void set_waveform_shape (WaveformShape);
88 bool waveform_rectified() const { return _flags & WaveformRectified; }
89 bool waveform_visible() const { return _flags & WaveformVisible; }
90 bool envelope_visible() const { return _flags & EnvelopeVisible; }
92 void show_region_editor ();
93 void hide_region_editor();
95 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
96 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
98 AudioRegionGainLine* get_gain_line() const { return gain_line; }
100 void region_changed (ARDOUR::Change);
101 void envelope_active_changed ();
103 static sigc::signal<void,AudioRegionView*> AudioRegionViewGoingAway;
104 sigc::signal<void> GoingAway;
106 GhostRegion* add_ghost (AutomationTimeAxisView&);
107 void remove_ghost (GhostRegion*);
109 void reset_fade_in_shape_width (jack_nframes_t);
110 void reset_fade_out_shape_width (jack_nframes_t);
111 void set_fade_in_active (bool);
112 void set_fade_out_active (bool);
114 uint32_t get_fill_color ();
116 virtual void entered ();
117 virtual void exited ();
121 /* this constructor allows derived types
122 to specify their visibility requirements
123 to the TimeAxisViewItem parent class
126 AudioRegionView (ArdourCanvas::Group *,
128 ARDOUR::AudioRegion&,
129 double initial_samples_per_unit,
130 Gdk::Color& basic_color,
131 TimeAxisViewItem::Visibility);
134 EnvelopeVisible = 0x1,
135 WaveformVisible = 0x4,
136 WaveformRectified = 0x8
139 vector<ArdourCanvas::WaveView *> waves; /* waveviews */
140 vector<ArdourCanvas::WaveView *> tmp_waves; /* see ::create_waves()*/
141 ArdourCanvas::Polygon* sync_mark; /* polgyon for sync position */
142 ArdourCanvas::Text* no_wave_msg; /* text */
143 ArdourCanvas::SimpleLine* zero_line; /* simpleline */
144 ArdourCanvas::Polygon* fade_in_shape; /* polygon */
145 ArdourCanvas::Polygon* fade_out_shape; /* polygon */
146 ArdourCanvas::SimpleRect* fade_in_handle; /* simplerect */
147 ArdourCanvas::SimpleRect* fade_out_handle; /* simplerect */
149 AudioRegionGainLine* gain_line;
150 AudioRegionEditor *editor;
152 vector<ControlPoint *> control_points;
153 double _amplitude_above_axis;
154 double current_visible_sync_position;
158 bool valid; /* see StreamView::redisplay_diskstream() */
163 sigc::connection peaks_ready_connection;
165 void reset_fade_shapes ();
166 void reset_fade_in_shape ();
167 void reset_fade_out_shape ();
168 void fade_in_changed ();
169 void fade_out_changed ();
170 void fade_in_active_changed ();
171 void fade_out_active_changed ();
173 void region_resized (ARDOUR::Change);
174 void region_moved (void *);
175 void region_muted ();
176 void region_locked ();
177 void region_opacity ();
178 void region_layered ();
179 void region_renamed ();
180 void region_sync_changed ();
181 void region_scale_amplitude_changed ();
183 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
186 void create_waves ();
187 void create_one_wave (uint32_t, bool);
188 void manage_zero_line ();
189 void peaks_ready_handler (uint32_t);
190 void reset_name (gdouble width);
191 void set_flags (XMLNode *);
195 void compute_colors (Gdk::Color&);
196 virtual void set_frame_color ();
197 void reset_width_dependent_items (double pixel_width);
198 void set_waveview_data_src();
200 vector<GnomeCanvasWaveViewCache*> wave_caches;
201 vector<GhostRegion*> ghosts;
203 void color_handler (ColorID, uint32_t);
206 #endif /* __gtk_ardour_region_view_h__ */