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/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"
42 class AudioTimeAxisView;
43 class AudioRegionGainLine;
44 class AudioRegionEditor;
46 class AutomationTimeAxisView;
48 class AudioRegionView : public TimeAxisViewItem
51 AudioRegionView (ArdourCanvas::Group *,
54 double initial_samples_per_unit,
55 double amplitude_above_axis,
56 Gdk::Color& base_color,
60 ARDOUR::AudioRegion& region; // ok, let 'em have it
61 bool is_valid() const { return valid; }
62 void set_valid (bool yn) { valid = yn; }
64 std::string get_item_name();
65 void set_height (double);
66 void set_samples_per_unit (double);
67 bool set_duration (jack_nframes_t, void*);
69 void set_amplitude_above_axis (gdouble spp);
71 void move (double xdelta, double ydelta);
76 void lower_to_bottom ();
78 bool set_position(jack_nframes_t pos, void* src, double* delta = 0);
80 void temporarily_hide_envelope (); // dangerous
81 void unhide_envelope (); // dangerous
83 void set_envelope_visible (bool);
84 void set_waveform_visible (bool yn);
85 void set_waveform_shape (WaveformShape);
87 bool waveform_rectified() const { return _flags & WaveformRectified; }
88 bool waveform_visible() const { return _flags & WaveformVisible; }
89 bool envelope_visible() const { return _flags & EnvelopeVisible; }
91 void show_region_editor ();
92 void hide_region_editor();
94 void add_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
95 void remove_gain_point_event (ArdourCanvas::Item *item, GdkEvent *event);
97 AudioRegionGainLine* get_gain_line() const { return gain_line; }
99 void region_changed (ARDOUR::Change);
100 void envelope_active_changed ();
102 static sigc::signal<void,AudioRegionView*> AudioRegionViewGoingAway;
103 sigc::signal<void> GoingAway;
105 GhostRegion* add_ghost (AutomationTimeAxisView&);
106 void remove_ghost (GhostRegion*);
108 void reset_fade_in_shape_width (jack_nframes_t);
109 void reset_fade_out_shape_width (jack_nframes_t);
110 void set_fade_in_active (bool);
111 void set_fade_out_active (bool);
113 uint32_t get_fill_color ();
115 virtual void entered ();
116 virtual void exited ();
120 EnvelopeVisible = 0x1,
121 WaveformVisible = 0x4,
122 WaveformRectified = 0x8
125 vector<ArdourCanvas::WaveView *> waves; /* waveviews */
126 vector<ArdourCanvas::WaveView *> tmp_waves; /* see ::create_waves()*/
127 ArdourCanvas::Polygon* sync_mark; /* polgyon for sync position */
128 ArdourCanvas::Text* no_wave_msg; /* text */
129 ArdourCanvas::Line* zero_line; /* simpleline */
130 ArdourCanvas::Polygon* fade_in_shape; /* polygon */
131 ArdourCanvas::Polygon* fade_out_shape; /* polygon */
132 ArdourCanvas::SimpleRect* fade_in_handle; /* simplerect */
133 ArdourCanvas::SimpleRect* fade_out_handle; /* simplerect */
135 AudioRegionGainLine* gain_line;
136 AudioRegionEditor *editor;
138 vector<ControlPoint *> control_points;
139 double _amplitude_above_axis;
140 double current_visible_sync_position;
144 bool valid; /* see StreamView::redisplay_diskstream() */
150 void reset_fade_shapes ();
151 void reset_fade_in_shape ();
152 void reset_fade_out_shape ();
153 void fade_in_changed ();
154 void fade_out_changed ();
155 void fade_in_active_changed ();
156 void fade_out_active_changed ();
158 void region_resized (ARDOUR::Change);
159 void region_moved (void *);
160 void region_muted ();
161 void region_locked ();
162 void region_opacity ();
163 void region_layered ();
164 void region_renamed ();
165 void region_sync_changed ();
166 void region_scale_amplitude_changed ();
168 static gint _lock_toggle (ArdourCanvas::Item*, GdkEvent*, void*);
171 void create_waves ();
172 void create_one_wave (uint32_t, bool);
173 void manage_zero_line ();
174 void peaks_ready_handler (uint32_t);
175 void reset_name (gdouble width);
176 void set_flags (XMLNode *);
180 void compute_colors (Gdk::Color&);
181 void set_frame_color ();
182 void reset_width_dependent_items (double pixel_width);
183 void set_waveview_data_src();
185 vector<GnomeCanvasWaveViewCache*> wave_caches;
186 vector<GhostRegion*> ghosts;
189 #endif /* __gtk_ardour_region_view_h__ */