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                 string&                               text,
  12                 double                                height,
  13                 double                                x,
  14                 double                                y)
  15         : CanvasFlag(
  16                         region,
  17                         parent,
  18                         height,
  19                         ARDOUR_UI::config()->canvasvar_MidiProgramChangeOutline.get(),
  20                         ARDOUR_UI::config()->canvasvar_MidiProgramChangeFill.get(),
  21                         x,
  22                         y
  23                 )
  24 {
  25         set_text(text);
  26 }
  27
  28 CanvasProgramChange::~CanvasProgramChange()
  29 {
  30 }
  31
  32 bool
  33 CanvasProgramChange::on_event(GdkEvent* ev)
  34 {
  35         cerr << "CanvasProgramChange::on_event(GdkEvent* ev) type " << ev->type << endl;
  36         switch (ev->type) {
  37         case GDK_SCROLL:
  38                 if (ev->scroll.direction == GDK_SCROLL_UP) {
  39                         previous_patch();
  40                         return true;
  41                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
  42                         next_patch();
  43                         return true;
  44                 }
  45         default:
  46                 break;
  47         }
  48
  49         return false;
  50 }
  51
  52 void
  53 CanvasProgramChange::previous_patch()
  54 {
  55         cerr << "decreasing program" <<  endl;
  56 }
  57
  58 void
  59 CanvasProgramChange::next_patch()
  60 {
  61         cerr << "increasing program" <<  endl;
  62 }