2 Copyright (C) 2000-2007 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.
20 #ifndef __gtk_ardour_xfade_edit_h__
21 #define __gtk_ardour_xfade_edit_h__
25 #include <gtkmm/box.h>
26 #include <gtkmm/button.h>
27 #include <gtkmm/radiobutton.h>
29 #include <ardour/curve.h>
30 #include "ardour_dialog.h"
40 class CrossfadeEditor : public ArdourDialog
43 CrossfadeEditor (ARDOUR::Session&, boost::shared_ptr<ARDOUR::Crossfade>, double miny, double maxy);
48 static const double canvas_border;
50 /* these are public so that a caller/subclass can make them do the right thing.
53 Gtk::Button* cancel_button;
54 Gtk::Button* ok_button;
60 PresetPoint (double a, double b)
64 struct Preset : public list<PresetPoint> {
65 const char* image_name;
67 Preset (const char* x) : image_name (x) {}
70 typedef list<Preset*> Presets;
72 static Presets* fade_in_presets;
73 static Presets* fade_out_presets;
76 boost::shared_ptr<ARDOUR::Crossfade> xfade;
77 ARDOUR::Session& session;
84 ArdourCanvas::SimpleRect* box;
85 ArdourCanvas::Line* curve;
89 static const int32_t size;
91 void move_to (double x, double y, double xfract, double yfract);
96 bool operator() (const CrossfadeEditor::Point* a, const CrossfadeEditor::Point *b) {
101 ArdourCanvas::SimpleRect* toplevel;
102 ArdourCanvas::Canvas* canvas;
105 ArdourCanvas::Line* line;
106 ArdourCanvas::Polygon* shading;
108 ARDOUR::AutomationList normative_curve; /* 0 - 1.0, linear */
109 ARDOUR::AutomationList gain_curve; /* 0 - 2.0, gain mapping */
110 vector<ArdourCanvas::WaveView*> waves;
124 vector<Gtk::Button*> fade_out_buttons;
125 vector<Gtk::Button*> fade_in_buttons;
129 Gtk::Button clear_button;
130 Gtk::Button revert_button;
132 Gtk::ToggleButton audition_both_button;
133 Gtk::ToggleButton audition_left_dry_button;
134 Gtk::ToggleButton audition_left_button;
135 Gtk::ToggleButton audition_right_dry_button;
136 Gtk::ToggleButton audition_right_button;
138 Gtk::ToggleButton preroll_button;
139 Gtk::ToggleButton postroll_button;
143 gint event_handler (GdkEvent*);
145 bool canvas_event (GdkEvent* event);
146 bool point_event (GdkEvent* event, Point*);
147 bool curve_event (GdkEvent* event);
149 void canvas_allocation (Gtk::Allocation&);
150 void add_control_point (double x, double y);
151 Point* make_point ();
154 double effective_width () const { return canvas->get_allocation().get_width() - (2.0 * canvas_border); }
155 double effective_height () const { return canvas->get_allocation().get_height() - (2.0 * canvas_border); }
163 Gtk::Table fade_in_table;
164 Gtk::Table fade_out_table;
166 void build_presets ();
167 void apply_preset (Preset*);
169 Gtk::RadioButton select_in_button;
170 Gtk::RadioButton select_out_button;
171 Gtk::HBox curve_button_box;
172 Gtk::HBox audition_box;
174 void curve_select_clicked (WhichFade);
176 double x_coordinate (double& xfract) const;
177 double y_coordinate (double& yfract) const;
179 void set (const ARDOUR::AutomationList& alist, WhichFade);
181 sigc::connection peaks_ready_connection;
183 void make_waves (boost::shared_ptr<ARDOUR::AudioRegion>, WhichFade);
184 void peaks_ready (boost::shared_ptr<ARDOUR::AudioRegion> r, WhichFade);
186 void _apply_to (boost::shared_ptr<ARDOUR::Crossfade> xf);
187 void setup (boost::shared_ptr<ARDOUR::Crossfade>);
188 void cancel_audition ();
189 void audition_state_changed (bool);
197 void audition_toggled ();
198 void audition_right_toggled ();
199 void audition_right_dry_toggled ();
200 void audition_left_toggled ();
201 void audition_left_dry_toggled ();
203 void audition (Audition);
204 void audition_both ();
205 void audition_left_dry ();
206 void audition_left ();
207 void audition_right_dry ();
208 void audition_right ();
210 void xfade_changed (ARDOUR::Change);
215 #endif /* __gtk_ardour_xfade_edit_h__ */