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 <gtk-canvas.h>
27 #include <sigc++/signal.h>
28 #include <ardour/region.h>
30 #include "time_axis_view_item.h"
31 #include "automation_line.h"
33 #include "canvas-waveview.h"
40 class AudioTimeAxisView;
41 class AudioRegionGainLine;
42 class AudioRegionEditor;
44 class AutomationTimeAxisView;
46 class AudioRegionView : public TimeAxisViewItem
49 AudioRegionView (GtkCanvasGroup *,
52 double initial_samples_per_unit,
53 double amplitude_above_axis,
58 ARDOUR::AudioRegion& region; // ok, let 'em have it
59 bool is_valid() const { return valid; }
60 void set_valid (bool yn) { valid = yn; }
62 std::string get_item_name();
63 void set_height (double);
64 void set_samples_per_unit (double);
65 bool set_duration (jack_nframes_t, void*);
67 void set_amplitude_above_axis (gdouble spp);
69 void move (double xdelta, double ydelta);
74 void lower_to_bottom ();
76 bool set_position(jack_nframes_t pos, void* src, double* delta = 0);
78 void temporarily_hide_envelope (); // dangerous
79 void unhide_envelope (); // dangerous
81 void set_envelope_visible (bool);
82 void set_waveform_visible (bool yn);
83 void set_waveform_shape (WaveformShape);
85 bool waveform_rectified() const { return _flags & WaveformRectified; }
86 bool waveform_visible() const { return _flags & WaveformVisible; }
87 bool envelope_visible() const { return _flags & EnvelopeVisible; }
89 void show_region_editor ();
90 void hide_region_editor();
92 void add_gain_point_event (GtkCanvasItem *item, GdkEvent *event);
93 void remove_gain_point_event (GtkCanvasItem *item, GdkEvent *event);
95 AudioRegionGainLine* get_gain_line() const { return gain_line; }
97 void region_changed (ARDOUR::Change);
98 void envelope_active_changed ();
100 static sigc::signal<void,AudioRegionView*> AudioRegionViewGoingAway;
101 sigc::signal<void> GoingAway;
103 GhostRegion* add_ghost (AutomationTimeAxisView&);
104 void remove_ghost (GhostRegion*);
106 void reset_fade_in_shape_width (jack_nframes_t);
107 void reset_fade_out_shape_width (jack_nframes_t);
108 void set_fade_in_active (bool);
109 void set_fade_out_active (bool);
111 uint32_t get_fill_color ();
113 virtual void entered ();
114 virtual void exited ();
118 EnvelopeVisible = 0x1,
119 WaveformVisible = 0x4,
120 WaveformRectified = 0x8
123 vector<GtkCanvasItem *> waves; /* waveviews */
124 vector<GtkCanvasItem *> tmp_waves; /* see ::create_waves()*/
125 GtkCanvasItem* sync_mark; /* polgyon for sync position */
126 GtkCanvasItem* no_wave_msg; /* text */
127 GtkCanvasItem* zero_line; /* simpleline */
128 GtkCanvasItem* fade_in_shape; /* polygon */
129 GtkCanvasItem* fade_out_shape; /* polygon */
130 GtkCanvasItem* fade_in_handle; /* simplerect */
131 GtkCanvasItem* fade_out_handle; /* simplerect */
133 AudioRegionGainLine* gain_line;
134 AudioRegionEditor *editor;
136 vector<ControlPoint *> control_points;
137 double _amplitude_above_axis;
138 double current_visible_sync_position;
142 bool valid; /* see StreamView::redisplay_diskstream() */
148 void reset_fade_shapes ();
149 void reset_fade_in_shape ();
150 void reset_fade_out_shape ();
151 void fade_in_changed ();
152 void fade_out_changed ();
153 void fade_in_active_changed ();
154 void fade_out_active_changed ();
156 void region_resized (ARDOUR::Change);
157 void region_moved (void *);
158 void region_muted ();
159 void region_locked ();
160 void region_opacity ();
161 void region_layered ();
162 void region_renamed ();
163 void region_sync_changed ();
164 void region_scale_amplitude_changed ();
166 static gint _lock_toggle (GtkCanvasItem*, GdkEvent*, void*);
169 void create_waves ();
170 void create_one_wave (uint32_t, bool);
171 void manage_zero_line ();
172 void peaks_ready_handler (uint32_t);
173 void reset_name (gdouble width);
174 void set_flags (XMLNode *);
178 void compute_colors (GdkColor&);
179 void set_frame_color ();
180 void reset_width_dependent_items (double pixel_width);
181 void set_waveview_data_src();
183 vector<GtkCanvasWaveViewCache*> wave_caches;
184 vector<GhostRegion*> ghosts;
187 #endif /* __gtk_ardour_region_view_h__ */