gtk2_ardour/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 <boost/algorithm/string.hpp>
  23
  24 #include <glibmm/regex.h>
  25
  26 #include "gtkmm2ext/keyboard.h"
  27 #include "ardour/midi_patch_manager.h"
  28 #include "ardour_ui.h"
  29 #include "midi_region_view.h"
  30 #include "patch_change.h"
  31 #include "editor.h"
  32 #include "editor_drag.h"
  33
  34 using namespace MIDI::Name;
  35 using namespace std;
  36
  37 /** @param x x position in pixels.
  38  */
  39 PatchChange::PatchChange(
  40                 MidiRegionView& region,
  41                 ArdourCanvas::Group* parent,
  42                 const string&   text,
  43                 double          height,
  44                 double          x,
  45                 double          y,
  46                 ARDOUR::InstrumentInfo& info,
  47                 ARDOUR::MidiModel::PatchChangePtr patch)
  48         : _region (region)
  49         , _info (info)
  50         , _patch (patch)
  51         , _popup_initialized(false)
  52 {
  53         _flag = new ArdourCanvas::Flag (
  54                 parent,
  55                 height,
  56                 ARDOUR_UI::config()->get_canvasvar_MidiPatchChangeOutline(),
  57                 ARDOUR_UI::config()->get_canvasvar_MidiPatchChangeFill(),
  58                 ArdourCanvas::Duple (x, y)
  59                 );
  60
  61         _flag->Event.connect (sigc::mem_fun (*this, &PatchChange::event_handler));
  62         _flag->set_text(text);
  63 }
  64
  65 PatchChange::~PatchChange()
  66 {
  67 }
  68
  69 void
  70 PatchChange::initialize_popup_menus()
  71 {
  72         using namespace MIDI::Name;
  73
  74         boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
  75
  76         if (!channel_name_set) {
  77                 return;
  78         }
  79
  80         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  81
  82         if (patch_banks.size() > 1) {
  83
  84                 // fill popup menu:
  85                 Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  86
  87                 for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  88                      bank != patch_banks.end();
  89                      ++bank) {
  90                         Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
  91                         std::string replacement(" ");
  92
  93                         Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  94
  95                         const PatchNameList& patches = (*bank)->patch_name_list();
  96                         Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
  97
  98                         for (PatchNameList::const_iterator patch = patches.begin();
  99                              patch != patches.end();
 100                              ++patch) {
 101                                 std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
 102
 103                                 patch_menus.push_back(
 104                                         Gtk::Menu_Helpers::MenuElem(
 105                                                 name,
 106                                                 sigc::bind(
 107                                                         sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 108                                                         (*patch)->patch_primary_key())) );
 109                         }
 110
 111
 112                         std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 113
 114                         patch_bank_menus.push_back(
 115                                 Gtk::Menu_Helpers::MenuElem(
 116                                         name,
 117                                         patch_bank_menu) );
 118                 }
 119
 120         } else {
 121                 /* only one patch bank, so make it the initial menu */
 122
 123                 const PatchNameList& patches = patch_banks.front()->patch_name_list();
 124                 Gtk::Menu::MenuList& patch_menus = _popup.items();
 125
 126                 for (PatchNameList::const_iterator patch = patches.begin();
 127                      patch != patches.end();
 128                      ++patch) {
 129                         std::string name = (*patch)->name();
 130                         boost::replace_all (name, "_", " ");
 131
 132                         patch_menus.push_back (
 133                                 Gtk::Menu_Helpers::MenuElem (
 134                                         name,
 135                                         sigc::bind (sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 136                                                     (*patch)->patch_primary_key())));
 137                 }
 138         }
 139 }
 140
 141 void
 142 PatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 143 {
 144         _region.change_patch_change (*this, key);
 145 }
 146
 147 bool
 148 PatchChange::event_handler (GdkEvent* ev)
 149 {
 150         switch (ev->type) {
 151         case GDK_BUTTON_PRESS:
 152         {
 153                 /* XXX: icky dcast */
 154                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 155                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 156
 157                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 158
 159                                 _region.delete_patch_change (this);
 160                                 return true;
 161
 162                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 163
 164                                 _region.edit_patch_change (this);
 165                                 return true;
 166
 167                         } else if (ev->button.button == 1) {
 168                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 169                                 return true;
 170                         }
 171                 }
 172
 173                 if (ev->button.button == 3) {
 174                         if (!_popup_initialized) {
 175                                 initialize_popup_menus();
 176                                 _popup_initialized = true;
 177                         }
 178                         _popup.popup(ev->button.button, ev->button.time);
 179                         return true;
 180                 }
 181                 break;
 182         }
 183
 184         case GDK_KEY_PRESS:
 185                 switch (ev->key.keyval) {
 186                 case GDK_Up:
 187                 case GDK_KP_Up:
 188                 case GDK_uparrow:
 189                         _region.previous_patch (*this);
 190                         break;
 191                 case GDK_Down:
 192                 case GDK_KP_Down:
 193                 case GDK_downarrow:
 194                         _region.next_patch (*this);
 195                         break;
 196                 default:
 197                         break;
 198                 }
 199                 break;
 200
 201         case GDK_SCROLL:
 202                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 203                         _region.previous_patch (*this);
 204                         return true;
 205                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 206                         _region.next_patch (*this);
 207                         return true;
 208                 }
 209                 break;
 210
 211         case GDK_ENTER_NOTIFY:
 212                 _region.patch_entered (this);
 213                 break;
 214
 215         case GDK_LEAVE_NOTIFY:
 216                 _region.patch_left (this);
 217                 break;
 218
 219         default:
 220                 break;
 221         }
 222
 223         return false;
 224 }
 225
 226 void
 227 PatchChange::move (ArdourCanvas::Duple d)
 228 {
 229         _flag->move (d);
 230 }
 231
 232 void
 233 PatchChange::set_height (ArdourCanvas::Distance height)
 234 {
 235         _flag->set_height (height);
 236 }
 237
 238 void
 239 PatchChange::hide ()
 240 {
 241         _flag->hide ();
 242 }
 243
 244 void
 245 PatchChange::show ()
 246 {
 247         _flag->show ();
 248 }