gtk2_ardour/canvas-note.h

   1 /*
   2     Copyright (C) 2007 Paul Davis
   3     Author: David Robillard
   4     Author: Hans Baier
   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
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #ifndef __gtk_ardour_canvas_note_h__
  22 #define __gtk_ardour_canvas_note_h__
  23
  24 #include <iostream>
  25 #include "simplerect.h"
  26 #include "canvas-note-event.h"
  27 #include "midi_util.h"
  28
  29 namespace Gnome {
  30 namespace Canvas {
  31
  32 class CanvasNote : public SimpleRect, public CanvasNoteEvent
  33 {
  34  public:
  35         typedef Evoral::Note<Evoral::MusicalTime> NoteType;
  36
  37         CanvasNote (MidiRegionView&                   region,
  38                     Group&                            group,
  39                     const boost::shared_ptr<NoteType> note = boost::shared_ptr<NoteType>(),
  40                     bool with_events = true);
  41
  42         double x1() const { return property_x1(); }
  43         double y1() const { return property_y1(); }
  44         double x2() const { return property_x2(); }
  45         double y2() const { return property_y2(); }
  46
  47         void set_outline_color(uint32_t c) { property_outline_color_rgba() = c; hide(); show(); }
  48         void set_fill_color(uint32_t c)    { property_fill_color_rgba()    = c; hide(); show(); }
  49
  50         void show() { SimpleRect::show(); }
  51         void hide() { SimpleRect::hide(); }
  52
  53         bool on_event(GdkEvent* ev);
  54         void move_event(double dx, double dy);
  55 };
  56
  57 class NoEventCanvasNote : public CanvasNote
  58 {
  59   public:
  60         NoEventCanvasNote (MidiRegionView& region,
  61                            Group& group,
  62                            const boost::shared_ptr<NoteType> note = boost::shared_ptr<NoteType>())
  63                 : CanvasNote (region, group, note, false) {}
  64
  65         double point_vfunc(double, double, int, int, GnomeCanvasItem**) {
  66                 /* return a huge value to tell the canvas that we're never the item for an event */
  67                 return 9999999999999.0;
  68         }
  69 };
  70
  71 } // namespace Gnome
  72 } // namespace Canvas
  73
  74 #endif /* __gtk_ardour_canvas_note_h__ */