gtk2_ardour/canvas-program-change.cc

   1 #include "canvas-program-change.h"
   2 #include <iostream>
   3 #include "ardour_ui.h"
   4
   5 using namespace Gnome::Canvas;
   6 using namespace std;
   7
   8 CanvasProgramChange::CanvasProgramChange(
   9                 MidiRegionView&                       region,
  10                 Group&                                parent,
  11                 boost::shared_ptr<MIDI::Event>        event,
  12                 double                                height,
  13                 double                                x,
  14                 double                                y)
  15         : Group(parent, x, y),
  16           _region(region),
  17           _event(event),
  18           _text(0),
  19           _line(0),
  20           _rect(0),
  21           _widget(0)
  22 {
  23         _text = new Text(*this);
  24         assert(_text);
  25         ostringstream pgm(ios::ate);
  26         pgm << int(event->pgm_number());
  27         _text->property_text() = pgm.str();
  28         _text->property_justification() = Gtk::JUSTIFY_CENTER;
  29         _text->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiProgramChangeOutline.get();
  30         double flagwidth  = _text->property_text_width()  + 10.0;
  31         double flagheight = _text->property_text_height() + 3.0;
  32         _text->property_x() = flagwidth / 2.0;
  33         _text->property_y() = flagheight / 2.0;
  34         _text->show();
  35         _line = new SimpleLine(*this, 0.0, 0.0, 0.0, height);
  36         _line->property_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiProgramChangeOutline.get();
  37         _rect = new SimpleRect(*this, 0.0, 0.0, flagwidth, flagheight);
  38         _rect->property_outline_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiProgramChangeOutline.get();
  39         _rect->property_fill_color_rgba() = ARDOUR_UI::config()->canvasvar_MidiProgramChangeFill.get();
  40         _text->lower_to_bottom();
  41         _text->raise(2);
  42         assert(_widget == 0);
  43         assert(_text != 0);
  44         assert(_line != 0);
  45         assert(_rect != 0);
  46 }
  47
  48 CanvasProgramChange::~CanvasProgramChange()
  49 {
  50         if(_line)
  51                 delete _line;
  52         if(_rect)
  53                 delete _rect;
  54         if(_text)
  55                 delete _text;
  56         if(_widget)
  57                 delete _widget;
  58 }
  59
  60