gtk2_ardour/automation_controller.h

   1 /*
   2     Copyright (C) 2007 Paul Davis
   3     Author: David Robillard
   4
   5     This program is free software; you can redistribute it and/or modify
   6     it under the terms of the GNU General Public License as published by
   7     the Free Software Foundation; either version 2 of the License, or
   8     (at your option) any later version.
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #ifndef __ardour_gtk_automation_controller_h__
  22 #define __ardour_gtk_automation_controller_h__
  23
  24 #ifdef YES
  25 #undef YES
  26 #endif
  27 #ifdef NO
  28 #undef NO
  29 #endif
  30
  31 #include <boost/shared_ptr.hpp>
  32 #include <gtkmm.h>
  33
  34 #include "gtkmm2ext/barcontroller.h"
  35 #include "pbd/signals.h"
  36 #include "evoral/Parameter.hpp"
  37
  38 namespace ARDOUR {
  39         class Session;
  40         class AutomationList;
  41         class AutomationControl;
  42 }
  43
  44 class AutomationBarController : public Gtkmm2ext::BarController {
  45 public:
  46         AutomationBarController(boost::shared_ptr<ARDOUR::AutomationControl> ac,
  47                                 Gtk::Adjustment*                             adj);
  48         ~AutomationBarController();
  49 private:
  50         std::string get_label (double&);
  51         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
  52 };
  53
  54 /** A BarController which displays the value and allows control of an AutomationControl */
  55 class AutomationController : public Gtk::Alignment {
  56 public:
  57         static boost::shared_ptr<AutomationController> create (
  58                 const Evoral::Parameter&                     param,
  59                 const ARDOUR::ParameterDescriptor&           desc,
  60                 boost::shared_ptr<ARDOUR::AutomationControl> ac,
  61                 bool                                         use_knob = false);
  62
  63         ~AutomationController();
  64
  65         boost::shared_ptr<ARDOUR::AutomationControl> controllable() { return _controllable; }
  66
  67         void disable_vertical_scroll();
  68
  69         Gtk::Adjustment* adjustment() { return _adjustment; }
  70         Gtk::Widget*     widget()     { return _widget; }
  71
  72         void display_effective_value();
  73         void value_adjusted();
  74
  75         void stop_updating ();
  76
  77 private:
  78         AutomationController (boost::shared_ptr<ARDOUR::AutomationControl> ac,
  79                               Gtk::Adjustment*                             adj,
  80                               bool                                         use_knob);
  81
  82         void start_touch();
  83         void end_touch();
  84         bool button_press(GdkEventButton*);
  85         bool button_release(GdkEventButton*);
  86
  87         void run_note_select_dialog();
  88         void set_ratio(double ratio);
  89         void set_freq_beats(double beats);
  90         bool on_button_release(GdkEventButton* ev);
  91
  92         Gtk::Widget*                                 _widget;
  93         boost::shared_ptr<ARDOUR::AutomationControl> _controllable;
  94         Gtk::Adjustment*                             _adjustment;
  95         sigc::connection                             _screen_update_connection;
  96         PBD::ScopedConnection                        _changed_connection;
  97         bool                                         _ignore_change;
  98 };
  99
 100
 101 #endif /* __ardour_gtk_automation_controller_h__ */