gtk2_ardour/processor_automation_time_axis.h

   1 /*
   2     Copyright (C) 2000-2007 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_processor_automation_time_axis_h__
  21 #define __ardour_gtk_processor_automation_time_axis_h__
  22
  23 #include <pbd/xml++.h>
  24
  25 #include "canvas.h"
  26 #include "automation_time_axis.h"
  27 #include <ardour/param_id.h>
  28
  29 namespace ARDOUR {
  30         class Processor;
  31 }
  32
  33 class ProcessorAutomationTimeAxisView : public AutomationTimeAxisView
  34 {
  35   public:
  36         ProcessorAutomationTimeAxisView (ARDOUR::Session&,
  37                                         boost::shared_ptr<ARDOUR::Route>,
  38                                         PublicEditor&,
  39                                         TimeAxisView& parent,
  40                                         ArdourCanvas::Canvas& canvas,
  41                                         std::string name,
  42                                         ARDOUR::ParamID param,
  43                                         ARDOUR::Processor& i,
  44                                         std::string state_name);
  45
  46         ~ProcessorAutomationTimeAxisView();
  47
  48         void add_automation_event (ArdourCanvas::Item *item, GdkEvent *event, nframes_t, double);
  49         void add_line (AutomationLine&);
  50
  51         guint32 show_at (double y, int& nth, Gtk::VBox *parent);
  52         void hide ();
  53
  54
  55    private:
  56         ARDOUR::Processor& _processor;
  57         ARDOUR::ParamID    _param;
  58         XMLNode*           _xml_node;
  59
  60         void ensure_xml_node();
  61         void update_extra_xml_shown (bool editor_shown);
  62
  63         void set_automation_state (ARDOUR::AutoState);
  64 };
  65
  66 #endif /* __ardour_gtk_processor_automation_time_axis_h__ */