1 #ifndef __gtk_ardour_xfade_edit_h__
2 #define __gtk_ardour_xfade_edit_h__
7 #include <gtkmm/button.h>
8 #include <gtkmm/radiobutton.h>
10 #include <ardour/curve.h>
11 #include "ardour_dialog.h"
21 class CrossfadeEditor : public ArdourDialog
24 CrossfadeEditor (ARDOUR::Session&, ARDOUR::Crossfade&, double miny, double maxy);
29 static const double canvas_border;
31 /* these are public so that a caller/subclass can make them do the right thing.
34 Gtk::Button* cancel_button;
35 Gtk::Button* ok_button;
41 PresetPoint (double a, double b)
45 struct Preset : public list<PresetPoint> {
52 typedef list<Preset*> Presets;
54 static Presets* fade_in_presets;
55 static Presets* fade_out_presets;
58 ARDOUR::Crossfade& xfade;
59 ARDOUR::Session& session;
66 ArdourCanvas::SimpleRect* box;
67 ArdourCanvas::Line* curve;
71 static const int32_t size;
73 void move_to (double x, double y, double xfract, double yfract);
78 bool operator() (const CrossfadeEditor::Point* a, const CrossfadeEditor::Point *b) {
83 ArdourCanvas::SimpleRect* toplevel;
84 ArdourCanvas::Canvas* canvas;
87 ArdourCanvas::Line* line;
88 ArdourCanvas::Polygon* shading;
90 ARDOUR::Curve normative_curve; /* 0 - 1.0, linear */
91 ARDOUR::Curve gain_curve; /* 0 - 2.0, gain mapping */
92 vector<ArdourCanvas::WaveView*> waves;
106 vector<Gtk::Button*> fade_out_buttons;
107 vector<Gtk::Button*> fade_in_buttons;
111 Gtk::Button clear_button;
112 Gtk::Button revert_button;
114 Gtk::ToggleButton audition_both_button;
115 Gtk::ToggleButton audition_left_dry_button;
116 Gtk::ToggleButton audition_left_button;
117 Gtk::ToggleButton audition_right_dry_button;
118 Gtk::ToggleButton audition_right_button;
120 Gtk::ToggleButton preroll_button;
121 Gtk::ToggleButton postroll_button;
125 gint event_handler (GdkEvent*);
127 bool canvas_event (GdkEvent* event);
128 bool point_event (GdkEvent* event, Point*);
129 bool curve_event (GdkEvent* event);
131 void canvas_allocation (Gtk::Allocation&);
132 void add_control_point (double x, double y);
133 Point* make_point ();
136 double effective_width () const { return canvas->get_allocation().get_width() - (2.0 * canvas_border); }
137 double effective_height () const { return canvas->get_allocation().get_height() - (2.0 * canvas_border); }
145 Gtk::Table fade_in_table;
146 Gtk::Table fade_out_table;
148 void build_presets ();
149 void apply_preset (Preset*);
151 Gtk::RadioButton select_in_button;
152 Gtk::RadioButton select_out_button;
153 Gtk::HBox curve_button_box;
154 Gtk::HBox audition_box;
156 void curve_select_clicked (WhichFade);
158 double x_coordinate (double& xfract) const;
159 double y_coordinate (double& yfract) const;
161 void set (const ARDOUR::Curve& alist, WhichFade);
163 sigc::connection peaks_ready_connection;
165 void make_waves (boost::shared_ptr<ARDOUR::AudioRegion>, WhichFade);
166 void peaks_ready (boost::shared_ptr<ARDOUR::AudioRegion> r, WhichFade);
168 void _apply_to (ARDOUR::Crossfade* xf);
169 void setup (ARDOUR::Crossfade*);
170 void cancel_audition ();
171 void audition_state_changed (bool);
173 void audition_toggled ();
174 void audition_right_toggled ();
175 void audition_right_dry_toggled ();
176 void audition_left_toggled ();
177 void audition_left_dry_toggled ();
179 void audition_both ();
180 void audition_left_dry ();
181 void audition_left ();
182 void audition_right_dry ();
183 void audition_right ();
185 void xfade_changed (ARDOUR::Change);
190 #endif /* __gtk_ardour_xfade_edit_h__ */