gtk2_ardour/patch_change.h

   1 /*
   2  * Copyright (C) 2013-2014 Paul Davis <paul@linuxaudiosystems.com>
   3  * Copyright (C) 2014 David Robillard <d@drobilla.net>
   4  * Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #ifndef __PATCH_CHANGE_H__
  22 #define __PATCH_CHANGE_H__
  23
  24 #include "canvas/flag.h"
  25
  26 class MidiRegionView;
  27
  28 namespace MIDI {
  29         namespace Name {
  30                 struct PatchPrimaryKey;
  31         }
  32 }
  33
  34 class PatchChange
  35 {
  36 public:
  37         PatchChange(MidiRegionView&                   region,
  38                     ArdourCanvas::Container*          parent,
  39                     const std::string&                text,
  40                     double                            height,
  41                     double                            x,
  42                     double                            y,
  43                     ARDOUR::InstrumentInfo&           info,
  44                     ARDOUR::MidiModel::PatchChangePtr patch,
  45                     Gtkmm2ext::Color               outline_color,
  46                     Gtkmm2ext::Color               fill_color);
  47
  48         ~PatchChange();
  49
  50         void initialize_popup_menus();
  51
  52         void on_patch_menu_selected(const MIDI::Name::PatchPrimaryKey& key);
  53
  54
  55         void move (ArdourCanvas::Duple);
  56         void set_height (ArdourCanvas::Distance);
  57         void hide ();
  58         void show ();
  59
  60         double width() const { return _flag->width(); }
  61         void set_text (std::string const & s) { _flag->set_text (s); }
  62
  63         ARDOUR::MidiModel::PatchChangePtr patch()       const { return _patch; }
  64         ArdourCanvas::Item*               canvas_item() const { return _flag; }
  65         ArdourCanvas::Item&               item()        const { return *_flag; }
  66
  67 private:
  68         bool event_handler (GdkEvent *);
  69
  70         MidiRegionView&                   _region;
  71         ARDOUR::InstrumentInfo&           _info;
  72         ARDOUR::MidiModel::PatchChangePtr _patch;
  73         Gtk::Menu                         _popup;
  74         bool                              _popup_initialized;
  75         ArdourCanvas::Flag*               _flag;
  76 };
  77
  78 #endif /* __PATCH_CHANGE_H__ */