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/*
Copyright (C) 2002 Paul Davis
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __ardour_panner_2d_h__
#define __ardour_panner_2d_h__
#include <sys/types.h>
#include <map>
#include <vector>
#include <glibmm/refptr.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/window.h>
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/adjustment.h>
namespace ARDOUR {
class Panner;
}
namespace Gtk {
class Menu;
class CheckMenuItem;
}
namespace Pango {
class Layout;
}
class Panner2dWindow;
class Panner2d : public Gtk::DrawingArea
{
public:
Panner2d (boost::shared_ptr<ARDOUR::Panner>, int32_t height);
~Panner2d ();
void allow_x_motion(bool);
void allow_y_motion(bool);
void allow_target_motion (bool);
void hide_puck (int which);
void show_puck (int which);
int add_target (float x, float y);
int add_puck (const char* text, float x, float y);
void hide_target (int);
void show_target (int);
void remove_target (int);
void drop_targets ();
void drop_pucks ();
void move_target (int, float x, float y);
void move_puck (int, float x, float y);
void reset (uint32_t n_inputs);
Gtk::Adjustment& azimuth (uint32_t which);
boost::shared_ptr<ARDOUR::Panner> get_panner() const { return panner; }
sigc::signal<void,int> PuckMoved;
sigc::signal<void,int> TargetMoved;
protected:
bool on_expose_event (GdkEventExpose *);
bool on_button_press_event (GdkEventButton *);
bool on_button_release_event (GdkEventButton *);
bool on_motion_notify_event (GdkEventMotion *);
void on_size_allocate (Gtk::Allocation& alloc);
private:
struct Target {
Gtk::Adjustment x;
Gtk::Adjustment y;
Gtk::Adjustment azimuth;
bool visible;
char* text;
Target (float xa, float ya, const char* txt = 0);
~Target ();
void set_text (const char*);
};
boost::shared_ptr<ARDOUR::Panner> panner;
Glib::RefPtr<Pango::Layout> layout;
typedef std::map<int,Target *> Targets;
Targets targets;
Targets pucks;
Target *drag_target;
int drag_x;
int drag_y;
int drag_index;
bool drag_is_puck;
bool allow_x;
bool allow_y;
bool allow_target;
int width;
int height;
bool bypassflag;
gint compute_x (float);
gint compute_y (float);
Target *find_closest_object (gdouble x, gdouble y, int& which, bool& is_puck) const;
gint handle_motion (gint, gint, GdkModifierType);
void toggle_bypass ();
void handle_state_change ();
void handle_position_change ();
};
class Panner2dWindow : public Gtk::Window
{
public:
Panner2dWindow (boost::shared_ptr<ARDOUR::Panner>, int32_t height, uint32_t inputs);
void reset (uint32_t n_inputs);
private:
Panner2d widget;
Gtk::HBox hpacker;
Gtk::VBox button_box;
Gtk::Button reset_button;
Gtk::ToggleButton bypass_button;
Gtk::ToggleButton mute_button;
Gtk::VBox spinner_box;
Gtk::VBox left_side;
std::vector<Gtk::SpinButton*> spinners;
};
#endif /* __ardour_panner_2d_h__ */
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