gtk2_ardour/canvas-program-change.cc

   1 #include <iostream>
   2
   3 #include "ardour/midi_patch_manager.h"
   4 #include "ardour_ui.h"
   5 #include "midi_region_view.h"
   6 #include "canvas-program-change.h"
   7
   8 using namespace Gnome::Canvas;
   9 using namespace MIDI::Name;
  10 using namespace std;
  11
  12 CanvasProgramChange::CanvasProgramChange(
  13                 MidiRegionView&                       region,
  14                 Group&                                parent,
  15                 string&                               text,
  16                 double                                height,
  17                 double                                x,
  18                 double                                y,
  19                 string&                               model_name,
  20                 string&                               custom_device_mode,
  21                 nframes_t                             event_time,
  22                 uint8_t                               channel,
  23                 uint8_t                               program
  24                 )
  25         : CanvasFlag(
  26                         region,
  27                         parent,
  28                         height,
  29                         ARDOUR_UI::config()->canvasvar_MidiProgramChangeOutline.get(),
  30                         ARDOUR_UI::config()->canvasvar_MidiProgramChangeFill.get(),
  31                         x,
  32                         y
  33                 )
  34          , _model_name(model_name)
  35          , _custom_device_mode(custom_device_mode)
  36          , _event_time(event_time)
  37          , _channel(channel)
  38          , _program(program)
  39 {
  40         set_text(text);
  41         initialize_popup_menus();
  42 }
  43
  44 CanvasProgramChange::~CanvasProgramChange()
  45 {
  46 }
  47
  48 void
  49 CanvasProgramChange::initialize_popup_menus()
  50 {
  51         boost::shared_ptr<ChannelNameSet> channel_name_set =
  52                 MidiPatchManager::instance()
  53                         .find_channel_name_set(_model_name, _custom_device_mode, _channel);
  54
  55         if (!channel_name_set) {
  56                 return;
  57         }
  58
  59         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  60
  61         // fill popup menu:
  62         Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  63
  64         for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  65              bank != patch_banks.end();
  66              ++bank) {
  67                 Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  68
  69                 const PatchBank::PatchNameList& patches = (*bank)->patch_name_list();
  70                 Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
  71
  72                 for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
  73                      patch != patches.end();
  74                      ++patch) {
  75                         patch_menus.push_back(
  76                                 Gtk::Menu_Helpers::MenuElem(
  77                                         (*patch)->name(),
  78                                         sigc::bind(
  79                                                 sigc::mem_fun(*this, &CanvasProgramChange::on_patch_menu_selected),
  80                                                 (*patch)->patch_primary_key())) );
  81                 }
  82
  83                 patch_bank_menus.push_back(
  84                         Gtk::Menu_Helpers::MenuElem(
  85                                 (*bank)->name(),
  86                                 patch_bank_menu) );
  87         }
  88 }
  89
  90 void
  91 CanvasProgramChange::on_patch_menu_selected(const PatchPrimaryKey& key)
  92 {
  93         cerr << " got patch program number " << key.program_number << endl;
  94         _region.program_selected(*this, key);
  95 }
  96
  97 bool
  98 CanvasProgramChange::on_event(GdkEvent* ev)
  99 {
 100         switch (ev->type) {
 101         case GDK_BUTTON_PRESS:
 102                 if (ev->button.button == 3) {
 103                     _popup.popup(ev->button.button, ev->button.time);
 104                         return true;
 105                 }
 106                 break;
 107
 108         case GDK_SCROLL:
 109                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 110                         _region.previous_program(*this);
 111                         return true;
 112                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 113                         _region.next_program(*this);
 114                         return true;
 115                 }
 116                 break;
 117
 118         default:
 119                 break;
 120         }
 121
 122         return false;
 123 }