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livetrax/gtk2_ardour/speaker_dialog.h

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/*
Copyright (C) 2011 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_gtk_speaker_dialog_h__
#define __ardour_gtk_speaker_dialog_h__
#include <gtkmm/drawingarea.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/box.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/aspectframe.h>
#include "ardour/speakers.h"
#include "ardour_window.h"
class SpeakerDialog : public ArdourWindow
{
public:
SpeakerDialog ();
boost::shared_ptr<ARDOUR::Speakers> get_speakers() const;
void set_speakers (boost::shared_ptr<ARDOUR::Speakers>);
private:
boost::weak_ptr<ARDOUR::Speakers> _speakers;
Gtk::HBox hbox;
Gtk::VBox side_vbox;
Gtk::AspectFrame aspect_frame;
Gtk::DrawingArea darea;
Gtk::Adjustment azimuth_adjustment;
Gtk::SpinButton azimuth_spinner;
Gtk::Button add_speaker_button;
Gtk::Button remove_speaker_button;
int32_t selected_speaker;
int width; ///< width of the circle
int height; ///< height of the circle
int x_origin; ///< x origin of our stuff within the drawing area
int y_origin; ///< y origin of our stuff within the drawing area
/** distance from the centre of the object being dragged to the mouse pointer
* when the drag was started (ie start_pointer - object_position).
*/
double drag_offset_x;
double drag_offset_y;
int drag_index;
int selected_index; ///< index of any selected speaker, or -1
PBD::ScopedConnection selected_speaker_connection;
bool ignore_speaker_position_change;
bool ignore_azimuth_change;
bool darea_expose_event (GdkEventExpose*);
void darea_size_allocate (Gtk::Allocation& alloc);
bool darea_motion_notify_event (GdkEventMotion *ev);
bool handle_motion (gint evx, gint evy, GdkModifierType state);
bool darea_button_press_event (GdkEventButton *ev);
bool darea_button_release_event (GdkEventButton *ev);
void clamp_to_circle (double& x, double& y);
void gtk_to_cart (PBD::CartesianVector& c) const;
void cart_to_gtk (PBD::CartesianVector& c) const;
int find_closest_object (gdouble x, gdouble y);
void add_speaker ();
void remove_speaker ();
void azimuth_changed ();
void set_selected (int);
void speaker_position_changed ();
};
#endif /* __ardour_gtk_speaker_dialog_h__ */