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#ifndef __gtk_ardour_xfade_edit_h__
#define __gtk_ardour_xfade_edit_h__
#include <list>
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <gtkmm/radiobutton.h>
#include <ardour/curve.h>
#include "ardour_dialog.h"
#include "canvas.h"
namespace ARDOUR
{
class Session;
class Curve;
class Crossfade;
}
class CrossfadeEditor : public ArdourDialog
{
public:
CrossfadeEditor (ARDOUR::Session&, ARDOUR::Crossfade&, double miny, double maxy);
~CrossfadeEditor ();
void apply ();
static const double canvas_border;
/* these are public so that a caller/subclass can make them do the right thing.
*/
Gtk::Button* cancel_button;
Gtk::Button* ok_button;
struct PresetPoint {
double x;
double y;
PresetPoint (double a, double b)
: x (a), y (b) {}
};
struct Preset : public list<PresetPoint> {
string xpm;
Preset (string x)
: xpm (x) {}
};
typedef list<Preset*> Presets;
static Presets* fade_in_presets;
static Presets* fade_out_presets;
private:
ARDOUR::Crossfade& xfade;
ARDOUR::Session& session;
Gtk::VBox vpacker;
struct Point {
~Point();
ArdourCanvas::SimpleRect* box;
ArdourCanvas::Line* curve;
double x;
double y;
static const int32_t size;
void move_to (double x, double y, double xfract, double yfract);
};
struct PointSorter
{
bool operator() (const CrossfadeEditor::Point* a, const CrossfadeEditor::Point *b) {
return a->x < b->x;
}
};
ArdourCanvas::SimpleRect* toplevel;
ArdourCanvas::Canvas* canvas;
struct Half {
ArdourCanvas::Line* line;
ArdourCanvas::Polygon* shading;
list<Point*> points;
ARDOUR::Curve normative_curve; /* 0 - 1.0, linear */
ARDOUR::Curve gain_curve; /* 0 - 2.0, gain mapping */
vector<ArdourCanvas::WaveView*> waves;
Half();
};
enum WhichFade {
In = 0,
Out = 1
};
Half fade[2];
WhichFade current;
bool point_grabbed;
vector<Gtk::Button*> fade_out_buttons;
vector<Gtk::Button*> fade_in_buttons;
Gtk::VBox vpacker2;
Gtk::Button clear_button;
Gtk::Button revert_button;
Gtk::ToggleButton audition_both_button;
Gtk::ToggleButton audition_left_dry_button;
Gtk::ToggleButton audition_left_button;
Gtk::ToggleButton audition_right_dry_button;
Gtk::ToggleButton audition_right_button;
Gtk::ToggleButton preroll_button;
Gtk::ToggleButton postroll_button;
Gtk::HBox roll_box;
gint event_handler (GdkEvent*);
bool canvas_event (GdkEvent* event);
bool point_event (GdkEvent* event, Point*);
bool curve_event (GdkEvent* event);
void canvas_allocation (Gtk::Allocation&);
void add_control_point (double x, double y);
Point* make_point ();
void redraw ();
double effective_width () const { return canvas->get_allocation().get_width() - (2.0 * canvas_border); }
double effective_height () const { return canvas->get_allocation().get_height() - (2.0 * canvas_border); }
void clear ();
void reset ();
double miny;
double maxy;
Gtk::Table fade_in_table;
Gtk::Table fade_out_table;
void build_presets ();
void apply_preset (Preset*);
Gtk::RadioButton select_in_button;
Gtk::RadioButton select_out_button;
Gtk::HBox curve_button_box;
Gtk::HBox audition_box;
void curve_select_clicked (WhichFade);
double x_coordinate (double& xfract) const;
double y_coordinate (double& yfract) const;
void set (const ARDOUR::Curve& alist, WhichFade);
sigc::connection peaks_ready_connection;
void make_waves (boost::shared_ptr<ARDOUR::AudioRegion>, WhichFade);
void peaks_ready (boost::shared_ptr<ARDOUR::AudioRegion> r, WhichFade);
void _apply_to (ARDOUR::Crossfade* xf);
void setup (ARDOUR::Crossfade*);
void cancel_audition ();
void audition_state_changed (bool);
void audition_toggled ();
void audition_right_toggled ();
void audition_right_dry_toggled ();
void audition_left_toggled ();
void audition_left_dry_toggled ();
void audition_both ();
void audition_left_dry ();
void audition_left ();
void audition_right_dry ();
void audition_right ();
void xfade_changed (ARDOUR::Change);
void dump ();
};
#endif /* __gtk_ardour_xfade_edit_h__ */
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