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 "midi++/midnam_patch.h"
  30
  31 #include "canvas/debug.h"
  32
  33 #include "editor.h"
  34 #include "editor_drag.h"
  35 #include "midi_region_view.h"
  36 #include "patch_change.h"
  37 #include "ui_config.h"
  38
  39 using namespace MIDI::Name;
  40 using namespace std;
  41 using Gtkmm2ext::Keyboard;
  42
  43 /** @param x x position in pixels.
  44  */
  45 PatchChange::PatchChange(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                          ArdourCanvas::Color               outline_color,
  54                          ArdourCanvas::Color               fill_color)
  55         : _region (region)
  56         , _info (info)
  57         , _patch (patch)
  58         , _popup_initialized(false)
  59 {
  60         _flag = new ArdourCanvas::Flag (
  61                 parent,
  62                 height,
  63                 outline_color,
  64                 fill_color,
  65                 ArdourCanvas::Duple (x, y),
  66                 true);
  67
  68         CANVAS_DEBUG_NAME (_flag, text);
  69
  70         _flag->Event.connect (sigc::mem_fun (*this, &PatchChange::event_handler));
  71         _flag->set_font_description (UIConfiguration::instance().get_SmallFont());
  72         _flag->set_text(text);
  73 }
  74
  75 PatchChange::~PatchChange()
  76 {
  77         delete _flag;
  78 }
  79
  80 void
  81 PatchChange::initialize_popup_menus()
  82 {
  83         using namespace MIDI::Name;
  84
  85         boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
  86
  87         if (!channel_name_set || channel_name_set->patch_banks().size () == 0) {
  88                 return;
  89         }
  90
  91         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  92
  93         if (patch_banks.size() > 1) {
  94
  95                 // fill popup menu:
  96                 Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  97
  98                 for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  99                      bank != patch_banks.end();
 100                      ++bank) {
 101                         Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
 102                         std::string replacement(" ");
 103
 104                         Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
 105
 106                         const PatchNameList& patches = (*bank)->patch_name_list();
 107                         Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
 108
 109                         for (PatchNameList::const_iterator patch = patches.begin();
 110                              patch != patches.end();
 111                              ++patch) {
 112                                 std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
 113
 114                                 patch_menus.push_back(
 115                                         Gtk::Menu_Helpers::MenuElem(
 116                                                 name,
 117                                                 sigc::bind(
 118                                                         sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 119                                                         (*patch)->patch_primary_key())) );
 120                         }
 121
 122
 123                         std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 124
 125                         patch_bank_menus.push_back(
 126                                 Gtk::Menu_Helpers::MenuElem(
 127                                         name,
 128                                         patch_bank_menu) );
 129                 }
 130
 131         } else {
 132                 /* only one patch bank, so make it the initial menu */
 133
 134                 const PatchNameList& patches = patch_banks.front()->patch_name_list();
 135                 Gtk::Menu::MenuList& patch_menus = _popup.items();
 136
 137                 for (PatchNameList::const_iterator patch = patches.begin();
 138                      patch != patches.end();
 139                      ++patch) {
 140                         std::string name = (*patch)->name();
 141                         boost::replace_all (name, "_", " ");
 142
 143                         patch_menus.push_back (
 144                                 Gtk::Menu_Helpers::MenuElem (
 145                                         name,
 146                                         sigc::bind (sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 147                                                     (*patch)->patch_primary_key())));
 148                 }
 149         }
 150 }
 151
 152 void
 153 PatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 154 {
 155         _region.change_patch_change (*this, key);
 156 }
 157
 158 bool
 159 PatchChange::event_handler (GdkEvent* ev)
 160 {
 161         /* XXX: icky dcast */
 162         Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 163
 164         if (!e->internal_editing()) {
 165                 return false;
 166         }
 167
 168         switch (ev->type) {
 169         case GDK_BUTTON_PRESS:
 170                 if (e->current_mouse_mode() == Editing::MouseContent) {
 171
 172                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 173
 174                                 _region.delete_patch_change (this);
 175                                 return true;
 176
 177                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 178
 179                                 _region.edit_patch_change (this);
 180                                 return true;
 181
 182                         } else if (ev->button.button == 1) {
 183                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 184                                 return true;
 185                         }
 186                 }
 187
 188                 if (Gtkmm2ext::Keyboard::is_context_menu_event (&ev->button)) {
 189                         if (!_popup_initialized) {
 190                                 initialize_popup_menus();
 191                                 _popup_initialized = true;
 192                         }
 193                         _popup.popup(ev->button.button, ev->button.time);
 194                         return true;
 195                 }
 196                 break;
 197
 198         case GDK_KEY_PRESS:
 199                 switch (ev->key.keyval) {
 200                 case GDK_Up:
 201                 case GDK_KP_Up:
 202                 case GDK_uparrow:
 203                         _region.step_patch(
 204                                 *this, Keyboard::modifier_state_contains(ev->key.state, Keyboard::TertiaryModifier), 1);
 205                         return true;
 206                 case GDK_Down:
 207                 case GDK_KP_Down:
 208                 case GDK_downarrow:
 209                         _region.step_patch(
 210                                 *this, Keyboard::modifier_state_contains(ev->key.state, Keyboard::TertiaryModifier), -1);
 211                         return true;
 212                 default:
 213                         break;
 214                 }
 215                 break;
 216
 217         case GDK_KEY_RELEASE:
 218                 switch (ev->key.keyval) {
 219                 case GDK_BackSpace:
 220                 case GDK_Delete:
 221                         _region.delete_patch_change (this);
 222                 default:
 223                         break;
 224                 }
 225                 break;
 226
 227         case GDK_SCROLL:
 228                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 229                         _region.step_patch(
 230                                 *this, Keyboard::modifier_state_contains(ev->scroll.state, Keyboard::TertiaryModifier), 1);
 231                         return true;
 232                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 233                         _region.step_patch(
 234                                 *this, Keyboard::modifier_state_contains(ev->scroll.state, Keyboard::TertiaryModifier), -1);
 235                         return true;
 236                 }
 237                 break;
 238
 239         case GDK_ENTER_NOTIFY:
 240                 _region.patch_entered (this);
 241                 break;
 242
 243         case GDK_LEAVE_NOTIFY:
 244                 _region.patch_left (this);
 245                 break;
 246
 247         default:
 248                 break;
 249         }
 250
 251         return false;
 252 }
 253
 254 void
 255 PatchChange::move (ArdourCanvas::Duple d)
 256 {
 257         _flag->move (d);
 258 }
 259
 260 void
 261 PatchChange::set_height (ArdourCanvas::Distance height)
 262 {
 263         _flag->set_height (height);
 264 }
 265
 266 void
 267 PatchChange::hide ()
 268 {
 269         _flag->hide ();
 270 }
 271
 272 void
 273 PatchChange::show ()
 274 {
 275         _flag->show ();
 276 }