gtk2_ardour/patch_change.h

   1 /*
   2     Copyright (C) 2000-2010 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 __PATCH_CHANGE_H__
  21 #define __PATCH_CHANGE_H__
  22
  23 #include "canvas/flag.h"
  24
  25 class MidiRegionView;
  26
  27 namespace MIDI {
  28         namespace Name {
  29                 struct PatchPrimaryKey;
  30         }
  31 }
  32
  33 class PatchChange
  34 {
  35 public:
  36         PatchChange(MidiRegionView&                   region,
  37                     ArdourCanvas::Container*          parent,
  38                     const std::string&                text,
  39                     double                            height,
  40                     double                            x,
  41                     double                            y,
  42                     ARDOUR::InstrumentInfo&           info,
  43                     ARDOUR::MidiModel::PatchChangePtr patch);
  44
  45         ~PatchChange();
  46
  47         void initialize_popup_menus();
  48
  49         void on_patch_menu_selected(const MIDI::Name::PatchPrimaryKey& key);
  50
  51
  52         void move (ArdourCanvas::Duple);
  53         void set_height (ArdourCanvas::Distance);
  54         void hide ();
  55         void show ();
  56
  57         ARDOUR::MidiModel::PatchChangePtr patch()       const { return _patch; }
  58         ArdourCanvas::Item*               canvas_item() const { return _flag; }
  59         ArdourCanvas::Item&               item()        const { return *_flag; }
  60
  61 private:
  62         bool event_handler (GdkEvent *);
  63
  64         MidiRegionView&                   _region;
  65         ARDOUR::InstrumentInfo&           _info;
  66         ARDOUR::MidiModel::PatchChangePtr _patch;
  67         Gtk::Menu                         _popup;
  68         bool                              _popup_initialized;
  69         ArdourCanvas::Flag*               _flag;
  70 };
  71
  72 #endif /* __PATCH_CHANGE_H__ */