gtk2_ardour/canvas_patch_change.cc

   1 /*
   2     Copyright (C) 2000-2010 Paul Davis
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <iostream>
  21
  22 #include <glibmm/regex.h>
  23
  24 #include "gtkmm2ext/keyboard.h"
  25 #include "ardour/midi_patch_manager.h"
  26 #include "ardour_ui.h"
  27 #include "midi_region_view.h"
  28 #include "canvas_patch_change.h"
  29 #include "editor.h"
  30 #include "editor_drag.h"
  31
  32 using namespace Gnome::Canvas;
  33 using namespace MIDI::Name;
  34 using namespace std;
  35
  36 /** @param x x position in pixels.
  37  */
  38 CanvasPatchChange::CanvasPatchChange(
  39                 MidiRegionView& region,
  40                 Group&          parent,
  41                 const string&   text,
  42                 double          height,
  43                 double          x,
  44                 double          y,
  45                 string&         model_name,
  46                 string&         custom_device_mode,
  47                 ARDOUR::MidiModel::PatchChangePtr patch)
  48         : CanvasFlag(
  49                         region,
  50                         parent,
  51                         height,
  52                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeOutline.get(),
  53                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeFill.get(),
  54                         x,
  55                         y)
  56         , _model_name(model_name)
  57         , _custom_device_mode(custom_device_mode)
  58         , _patch (patch)
  59         , _popup_initialized(false)
  60 {
  61         set_text(text);
  62 }
  63
  64 CanvasPatchChange::~CanvasPatchChange()
  65 {
  66 }
  67
  68 void
  69 CanvasPatchChange::initialize_popup_menus()
  70 {
  71         boost::shared_ptr<ChannelNameSet> channel_name_set =
  72                 MidiPatchManager::instance()
  73                 .find_channel_name_set(_model_name, _custom_device_mode, _patch->channel());
  74
  75         if (!channel_name_set) {
  76                 return;
  77         }
  78
  79         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  80
  81         // fill popup menu:
  82         Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  83
  84         for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  85              bank != patch_banks.end();
  86              ++bank) {
  87                 Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
  88                 std::string replacement(" ");
  89
  90                 Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  91
  92                 const PatchBank::PatchNameList& patches = (*bank)->patch_name_list();
  93                 Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
  94
  95                 for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
  96                      patch != patches.end();
  97                      ++patch) {
  98                         std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
  99
 100                         patch_menus.push_back(
 101                                 Gtk::Menu_Helpers::MenuElem(
 102                                         name,
 103                                         sigc::bind(
 104                                                 sigc::mem_fun(*this, &CanvasPatchChange::on_patch_menu_selected),
 105                                                 (*patch)->patch_primary_key())) );
 106                 }
 107
 108
 109                 std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 110
 111                 patch_bank_menus.push_back(
 112                         Gtk::Menu_Helpers::MenuElem(
 113                                 name,
 114                                 patch_bank_menu) );
 115         }
 116 }
 117
 118 void
 119 CanvasPatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 120 {
 121         cerr << " got patch program number " << key.program_number << endl;
 122         _region.change_patch_change (*this, key);
 123 }
 124
 125 bool
 126 CanvasPatchChange::on_event (GdkEvent* ev)
 127 {
 128         switch (ev->type) {
 129         case GDK_BUTTON_PRESS:
 130         {
 131                 /* XXX: icky dcast */
 132                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 133                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 134
 135                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 136
 137                                 _region.delete_patch_change (this);
 138                                 return true;
 139
 140                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 141
 142                                 _region.edit_patch_change (this);
 143                                 return true;
 144
 145                         } else if (ev->button.button == 1) {
 146                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 147                                 return true;
 148                         }
 149                 }
 150
 151                 if (ev->button.button == 3) {
 152                         if (!_popup_initialized) {
 153                                 initialize_popup_menus();
 154                                 _popup_initialized = true;
 155                         }
 156                         _popup.popup(ev->button.button, ev->button.time);
 157                         return true;
 158                 }
 159                 break;
 160         }
 161
 162         case GDK_KEY_PRESS:
 163                 switch (ev->key.keyval) {
 164                 case GDK_Up:
 165                 case GDK_KP_Up:
 166                 case GDK_uparrow:
 167                         _region.previous_patch (*this);
 168                         break;
 169                 case GDK_Down:
 170                 case GDK_KP_Down:
 171                 case GDK_downarrow:
 172                         _region.next_patch (*this);
 173                         break;
 174                 default:
 175                         break;
 176                 }
 177                 break;
 178
 179         case GDK_SCROLL:
 180                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 181                         _region.previous_patch (*this);
 182                         return true;
 183                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 184                         _region.next_patch (*this);
 185                         return true;
 186                 }
 187                 break;
 188
 189         case GDK_ENTER_NOTIFY:
 190                 _region.patch_entered (this);
 191                 break;
 192
 193         case GDK_LEAVE_NOTIFY:
 194                 _region.patch_left (this);
 195                 break;
 196
 197         default:
 198                 break;
 199         }
 200
 201         return false;
 202 }