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/menu_elems.h"
  28 #include "gtkmm2ext/utils.h"
  29
  30 #include "midi++/midnam_patch.h"
  31
  32 #include "canvas/debug.h"
  33
  34 #include "editor.h"
  35 #include "editor_drag.h"
  36 #include "midi_region_view.h"
  37 #include "patch_change.h"
  38 #include "ui_config.h"
  39
  40 using namespace MIDI::Name;
  41 using namespace std;
  42 using Gtkmm2ext::Keyboard;
  43
  44 /** @param x x position in pixels.
  45  */
  46 PatchChange::PatchChange(MidiRegionView&                   region,
  47                          ArdourCanvas::Container*          parent,
  48                          const string&                     text,
  49                          double                            height,
  50                          double                            x,
  51                          double                            y,
  52                          ARDOUR::InstrumentInfo&           info,
  53                          ARDOUR::MidiModel::PatchChangePtr patch,
  54                          Gtkmm2ext::Color               outline_color,
  55                          Gtkmm2ext::Color               fill_color)
  56         : _region (region)
  57         , _info (info)
  58         , _patch (patch)
  59         , _popup_initialized(false)
  60 {
  61         _flag = new ArdourCanvas::Flag (
  62                 parent,
  63                 height,
  64                 outline_color,
  65                 fill_color,
  66                 ArdourCanvas::Duple (x, y),
  67                 true);
  68
  69         CANVAS_DEBUG_NAME (_flag, text);
  70
  71         _flag->Event.connect (sigc::mem_fun (*this, &PatchChange::event_handler));
  72         _flag->set_font_description (UIConfiguration::instance().get_SmallFont());
  73         _flag->set_text(text);
  74 }
  75
  76 PatchChange::~PatchChange()
  77 {
  78         delete _flag;
  79 }
  80
  81 void
  82 PatchChange::initialize_popup_menus()
  83 {
  84         using namespace MIDI::Name;
  85
  86         boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
  87
  88         if (!channel_name_set || channel_name_set->patch_banks().size () == 0) {
  89                 return;
  90         }
  91
  92         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  93
  94         if (patch_banks.size() > 1) {
  95
  96                 // fill popup menu:
  97                 Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  98
  99                 for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
 100                      bank != patch_banks.end();
 101                      ++bank) {
 102                         Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
 103                         std::string replacement(" ");
 104
 105                         Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
 106
 107                         const PatchNameList& patches = (*bank)->patch_name_list();
 108                         Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
 109
 110                         for (PatchNameList::const_iterator patch = patches.begin();
 111                              patch != patches.end();
 112                              ++patch) {
 113                                 std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
 114
 115                                 patch_menus.push_back(
 116                                         Gtk::Menu_Helpers::MenuElem(
 117                                                 name,
 118                                                 sigc::bind(
 119                                                         sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 120                                                         (*patch)->patch_primary_key())) );
 121                         }
 122
 123
 124                         std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 125
 126                         patch_bank_menus.push_back(
 127                                 Gtk::Menu_Helpers::MenuElem(
 128                                         name,
 129                                         patch_bank_menu) );
 130                 }
 131
 132         } else {
 133                 /* only one patch bank, so make it the initial menu */
 134
 135                 const PatchNameList& patches = patch_banks.front()->patch_name_list();
 136                 Gtk::Menu::MenuList& patch_menus = _popup.items();
 137
 138                 for (PatchNameList::const_iterator patch = patches.begin();
 139                      patch != patches.end();
 140                      ++patch) {
 141                         patch_menus.push_back (Gtkmm2ext::MenuElemNoMnemonic ((*patch)->name(),
 142                                                 sigc::bind (sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected), (*patch)->patch_primary_key())));
 143                 }
 144         }
 145 }
 146
 147 void
 148 PatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 149 {
 150         _region.change_patch_change (*this, key);
 151 }
 152
 153 bool
 154 PatchChange::event_handler (GdkEvent* ev)
 155 {
 156         /* XXX: icky dcast */
 157         Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 158
 159         if (!e->internal_editing()) {
 160                 return false;
 161         }
 162
 163         switch (ev->type) {
 164         case GDK_BUTTON_PRESS:
 165                 if (e->current_mouse_mode() == Editing::MouseContent) {
 166
 167                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 168
 169                                 _region.delete_patch_change (this);
 170                                 return true;
 171
 172                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 173
 174                                 _region.edit_patch_change (this);
 175                                 return true;
 176
 177                         } else if (ev->button.button == 1) {
 178                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 179                                 return true;
 180                         }
 181                 }
 182
 183                 if (Gtkmm2ext::Keyboard::is_context_menu_event (&ev->button)) {
 184                         if (!_popup_initialized) {
 185                                 initialize_popup_menus();
 186                                 _popup_initialized = true;
 187                         }
 188                         _popup.popup(ev->button.button, ev->button.time);
 189                         return true;
 190                 }
 191                 break;
 192
 193         case GDK_KEY_PRESS:
 194                 switch (ev->key.keyval) {
 195                 case GDK_Up:
 196                 case GDK_KP_Up:
 197                 case GDK_uparrow:
 198                         _region.step_patch(
 199                                 *this, Keyboard::modifier_state_contains(ev->key.state, Keyboard::TertiaryModifier), 1);
 200                         return true;
 201                 case GDK_Down:
 202                 case GDK_KP_Down:
 203                 case GDK_downarrow:
 204                         _region.step_patch(
 205                                 *this, Keyboard::modifier_state_contains(ev->key.state, Keyboard::TertiaryModifier), -1);
 206                         return true;
 207                 default:
 208                         break;
 209                 }
 210                 break;
 211
 212         case GDK_KEY_RELEASE:
 213                 switch (ev->key.keyval) {
 214                 case GDK_BackSpace:
 215                 case GDK_Delete:
 216                         _region.delete_patch_change (this);
 217                 default:
 218                         break;
 219                 }
 220                 break;
 221
 222         case GDK_SCROLL:
 223                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 224                         _region.step_patch(
 225                                 *this, Keyboard::modifier_state_contains(ev->scroll.state, Keyboard::TertiaryModifier), 1);
 226                         return true;
 227                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 228                         _region.step_patch(
 229                                 *this, Keyboard::modifier_state_contains(ev->scroll.state, Keyboard::TertiaryModifier), -1);
 230                         return true;
 231                 }
 232                 break;
 233
 234         case GDK_ENTER_NOTIFY:
 235                 _region.patch_entered (this);
 236                 break;
 237
 238         case GDK_LEAVE_NOTIFY:
 239                 _region.patch_left (this);
 240                 break;
 241
 242         default:
 243                 break;
 244         }
 245
 246         return false;
 247 }
 248
 249 void
 250 PatchChange::move (ArdourCanvas::Duple d)
 251 {
 252         _flag->move (d);
 253 }
 254
 255 void
 256 PatchChange::set_height (ArdourCanvas::Distance height)
 257 {
 258         _flag->set_height (height);
 259 }
 260
 261 void
 262 PatchChange::hide ()
 263 {
 264         _flag->hide ();
 265 }
 266
 267 void
 268 PatchChange::show ()
 269 {
 270         _flag->show ();
 271 }