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