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 "gtkmm2ext/utils.h"
  28
  29 #include "ardour/midi_patch_manager.h"
  30
  31 #include "canvas/debug.h"
  32
  33 #include "ardour_ui.h"
  34 #include "midi_region_view.h"
  35 #include "patch_change.h"
  36 #include "editor.h"
  37 #include "editor_drag.h"
  38
  39 using namespace MIDI::Name;
  40 using namespace std;
  41
  42 /** @param x x position in pixels.
  43  */
  44 PatchChange::PatchChange(
  45                 MidiRegionView& region,
  46                 ArdourCanvas::Container* parent,
  47                 const string&   text,
  48                 double          height,
  49                 double          x,
  50                 double          y,
  51                 ARDOUR::InstrumentInfo& info,
  52                 ARDOUR::MidiModel::PatchChangePtr patch)
  53         : _region (region)
  54         , _info (info)
  55         , _patch (patch)
  56         , _popup_initialized(false)
  57 {
  58         _flag = new ArdourCanvas::Flag (
  59                 parent,
  60                 height,
  61                 ARDOUR_UI::config()->get_canvasvar_MidiPatchChangeOutline(),
  62                 ARDOUR_UI::config()->get_canvasvar_MidiPatchChangeFill(),
  63                 ArdourCanvas::Duple (x, y)
  64                 );
  65
  66         CANVAS_DEBUG_NAME (_flag, text);
  67
  68         _flag->Event.connect (sigc::mem_fun (*this, &PatchChange::event_handler));
  69         _flag->set_text(text);
  70 }
  71
  72 PatchChange::~PatchChange()
  73 {
  74         delete _flag;
  75 }
  76
  77 void
  78 PatchChange::initialize_popup_menus()
  79 {
  80         using namespace MIDI::Name;
  81
  82         boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
  83
  84         if (!channel_name_set) {
  85                 return;
  86         }
  87
  88         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  89
  90         if (patch_banks.size() > 1) {
  91
  92                 // fill popup menu:
  93                 Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  94
  95                 for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  96                      bank != patch_banks.end();
  97                      ++bank) {
  98                         Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
  99                         std::string replacement(" ");
 100
 101                         Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
 102
 103                         const PatchNameList& patches = (*bank)->patch_name_list();
 104                         Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
 105
 106                         for (PatchNameList::const_iterator patch = patches.begin();
 107                              patch != patches.end();
 108                              ++patch) {
 109                                 std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
 110
 111                                 patch_menus.push_back(
 112                                         Gtk::Menu_Helpers::MenuElem(
 113                                                 name,
 114                                                 sigc::bind(
 115                                                         sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 116                                                         (*patch)->patch_primary_key())) );
 117                         }
 118
 119
 120                         std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 121
 122                         patch_bank_menus.push_back(
 123                                 Gtk::Menu_Helpers::MenuElem(
 124                                         name,
 125                                         patch_bank_menu) );
 126                 }
 127
 128         } else {
 129                 /* only one patch bank, so make it the initial menu */
 130
 131                 const PatchNameList& patches = patch_banks.front()->patch_name_list();
 132                 Gtk::Menu::MenuList& patch_menus = _popup.items();
 133
 134                 for (PatchNameList::const_iterator patch = patches.begin();
 135                      patch != patches.end();
 136                      ++patch) {
 137                         std::string name = (*patch)->name();
 138                         boost::replace_all (name, "_", " ");
 139
 140                         patch_menus.push_back (
 141                                 Gtk::Menu_Helpers::MenuElem (
 142                                         name,
 143                                         sigc::bind (sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 144                                                     (*patch)->patch_primary_key())));
 145                 }
 146         }
 147 }
 148
 149 void
 150 PatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 151 {
 152         _region.change_patch_change (*this, key);
 153 }
 154
 155 bool
 156 PatchChange::event_handler (GdkEvent* ev)
 157 {
 158         /* XXX: icky dcast */
 159         Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 160
 161         switch (ev->type) {
 162         case GDK_BUTTON_PRESS:
 163                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 164
 165                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 166
 167                                 _region.delete_patch_change (this);
 168                                 return true;
 169
 170                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 171
 172                                 _region.edit_patch_change (this);
 173                                 return true;
 174
 175                         } else if (ev->button.button == 1) {
 176                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 177                                 return true;
 178                         }
 179                 }
 180
 181                 if (ev->button.button == 3) {
 182                         if (!_popup_initialized) {
 183                                 initialize_popup_menus();
 184                                 _popup_initialized = true;
 185                         }
 186                         _popup.popup(ev->button.button, ev->button.time);
 187                         return true;
 188                 }
 189                 break;
 190
 191         case GDK_KEY_PRESS:
 192                 switch (ev->key.keyval) {
 193                 case GDK_Up:
 194                 case GDK_KP_Up:
 195                 case GDK_uparrow:
 196                         _region.previous_patch (*this);
 197                         break;
 198                 case GDK_Down:
 199                 case GDK_KP_Down:
 200                 case GDK_downarrow:
 201                         _region.next_patch (*this);
 202                         break;
 203                 default:
 204                         break;
 205                 }
 206                 break;
 207
 208         case GDK_SCROLL:
 209                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 210                         _region.previous_patch (*this);
 211                         return true;
 212                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 213                         _region.next_patch (*this);
 214                         return true;
 215                 }
 216                 break;
 217
 218         case GDK_ENTER_NOTIFY:
 219                 _region.patch_entered (this);
 220                 break;
 221
 222         case GDK_LEAVE_NOTIFY:
 223                 _region.patch_left (this);
 224                 break;
 225
 226         default:
 227                 break;
 228         }
 229
 230         return false;
 231 }
 232
 233 void
 234 PatchChange::move (ArdourCanvas::Duple d)
 235 {
 236         _flag->move (d);
 237 }
 238
 239 void
 240 PatchChange::set_height (ArdourCanvas::Distance height)
 241 {
 242         _flag->set_height (height);
 243 }
 244
 245 void
 246 PatchChange::hide ()
 247 {
 248         _flag->hide ();
 249 }
 250
 251 void
 252 PatchChange::show ()
 253 {
 254         _flag->show ();
 255 }