gtk2_ardour/speaker_dialog.h

   1 /*
   2     Copyright (C) 2011 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __ardour_gtk_speaker_dialog_h__
  21 #define __ardour_gtk_speaker_dialog_h__
  22
  23 #include <gtkmm/drawingarea.h>
  24 #include <gtkmm/spinbutton.h>
  25 #include <gtkmm/box.h>
  26 #include <gtkmm/adjustment.h>
  27 #include <gtkmm/aspectframe.h>
  28
  29 #include "ardour/speakers.h"
  30
  31 #include "ardour_dialog.h"
  32
  33 class SpeakerDialog  : public ArdourDialog
  34 {
  35 public:
  36         SpeakerDialog ();
  37
  38         boost::shared_ptr<ARDOUR::Speakers> get_speakers() const;
  39         void set_speakers (boost::shared_ptr<ARDOUR::Speakers>);
  40
  41 private:
  42         boost::weak_ptr<ARDOUR::Speakers> _speakers;
  43         Gtk::HBox        hbox;
  44         Gtk::VBox        side_vbox;
  45         Gtk::AspectFrame aspect_frame;
  46         Gtk::DrawingArea darea;
  47         Gtk::Adjustment  azimuth_adjustment;
  48         Gtk::SpinButton  azimuth_spinner;
  49         Gtk::Button      add_speaker_button;
  50         Gtk::Button      remove_speaker_button;
  51         int32_t          selected_speaker;
  52         int              width;         ///< width of the circle
  53         int              height;        ///< height of the circle
  54         int              x_origin;      ///< x origin of our stuff within the drawing area
  55         int              y_origin;      ///< y origin of our stuff within the drawing area
  56         /** distance from the centre of the object being dragged to the mouse pointer
  57          *  when the drag was started (ie start_pointer - object_position).
  58          */
  59         double           drag_offset_x;
  60         double           drag_offset_y;
  61         int              drag_index;
  62         int              selected_index; ///< index of any selected speaker, or -1
  63         PBD::ScopedConnection selected_speaker_connection;
  64         bool             ignore_speaker_position_change;
  65         bool             ignore_azimuth_change;
  66
  67         bool darea_expose_event (GdkEventExpose*);
  68         void darea_size_allocate (Gtk::Allocation& alloc);
  69         bool darea_motion_notify_event (GdkEventMotion *ev);
  70         bool handle_motion (gint evx, gint evy, GdkModifierType state);
  71         bool darea_button_press_event (GdkEventButton *ev);
  72         bool darea_button_release_event (GdkEventButton *ev);
  73
  74         void clamp_to_circle (double& x, double& y);
  75         void gtk_to_cart (PBD::CartesianVector& c) const;
  76         void cart_to_gtk (PBD::CartesianVector& c) const;
  77         int find_closest_object (gdouble x, gdouble y);
  78
  79         void add_speaker ();
  80         void remove_speaker ();
  81         void azimuth_changed ();
  82         void set_selected (int);
  83         void speaker_position_changed ();
  84 };
  85
  86 #endif /* __ardour_gtk_speaker_dialog_h__ */