1 #ifndef __gtk_ardour_xfade_edit_h__
2 #define __gtk_ardour_xfade_edit_h__
7 #include <gtk--/button.h>
8 #include <gtk--/radiobutton.h>
9 #include <gtk-canvas.h>
11 #include <ardour/curve.h>
12 #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> {
48 Preset (const gchar** x)
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;
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) {
84 GtkCanvasItem* toplevel;
89 GtkCanvasItem* shading;
91 ARDOUR::Curve normative_curve; /* 0 - 1.0, linear */
92 ARDOUR::Curve gain_curve; /* 0 - 2.0, gain mapping */
93 vector<GtkCanvasItem*> waves;
107 vector<Gtk::Button*> fade_out_buttons;
108 vector<Gtk::Button*> fade_in_buttons;
110 Gtk::HBox action_box;
114 Gtk::Button clear_button;
115 Gtk::Button revert_button;
117 Gtk::ToggleButton audition_both_button;
118 Gtk::ToggleButton audition_left_dry_button;
119 Gtk::ToggleButton audition_left_button;
120 Gtk::ToggleButton audition_right_dry_button;
121 Gtk::ToggleButton audition_right_button;
123 Gtk::ToggleButton preroll_button;
124 Gtk::ToggleButton postroll_button;
128 gint event_handler (GdkEvent*);
130 static gint _canvas_event (GtkCanvasItem*, GdkEvent* event, gpointer data);
131 static gint _point_event (GtkCanvasItem*, GdkEvent* event, gpointer data);
132 static gint _curve_event (GtkCanvasItem*, GdkEvent* event, gpointer data);
134 gint canvas_event (GtkCanvasItem*, GdkEvent* event);
135 gint point_event (GtkCanvasItem*, GdkEvent* event);
136 gint curve_event (GtkCanvasItem*, GdkEvent* event);
138 void canvas_allocation (GtkAllocation*);
139 void add_control_point (double x, double y);
140 Point* make_point ();
143 double effective_width () const { return _canvas->allocation.width - (2.0 * canvas_border); }
144 double effective_height () const { return _canvas->allocation.height - (2.0 * canvas_border); }
152 Gtk::Table fade_in_table;
153 Gtk::Table fade_out_table;
155 void build_presets ();
156 void apply_preset (Preset*);
158 Gtk::RadioButton select_in_button;
159 Gtk::RadioButton select_out_button;
160 Gtk::HBox curve_button_box;
161 Gtk::HBox audition_box;
163 void curve_select_clicked (WhichFade);
165 double x_coordinate (double& xfract) const;
166 double y_coordinate (double& yfract) const;
168 void set (const ARDOUR::Curve& alist, WhichFade);
170 void make_waves (ARDOUR::AudioRegion&, WhichFade);
171 void peaks_ready (ARDOUR::AudioRegion* r, WhichFade);
173 void _apply_to (ARDOUR::Crossfade* xf);
174 void setup (ARDOUR::Crossfade*);
175 void cancel_audition ();
176 void audition_state_changed (bool);
178 void audition_toggled ();
179 void audition_right_toggled ();
180 void audition_right_dry_toggled ();
181 void audition_left_toggled ();
182 void audition_left_dry_toggled ();
184 void audition_both ();
185 void audition_left_dry ();
186 void audition_left ();
187 void audition_right_dry ();
188 void audition_right ();
190 void xfade_changed (ARDOUR::Change);
195 #endif /* __gtk_ardour_xfade_edit_h__ */