gtk2_ardour/patch_change.cc

   1 /*
   2  * Copyright (C) 2013-2016 Paul Davis <paul@linuxaudiosystems.com>
   3  * Copyright (C) 2014-2015 David Robillard <d@drobilla.net>
   4  * Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20
  21 #include <iostream>
  22
  23 #include <boost/algorithm/string.hpp>
  24
  25 #include <glibmm/regex.h>
  26
  27 #include "gtkmm2ext/keyboard.h"
  28 #include "gtkmm2ext/menu_elems.h"
  29 #include "gtkmm2ext/utils.h"
  30
  31 #include "midi++/midnam_patch.h"
  32
  33 #include "canvas/debug.h"
  34
  35 #include "editor.h"
  36 #include "editor_drag.h"
  37 #include "midi_region_view.h"
  38 #include "patch_change.h"
  39 #include "ui_config.h"
  40
  41 using namespace MIDI::Name;
  42 using namespace std;
  43 using Gtkmm2ext::Keyboard;
  44
  45 /** @param x x position in pixels.
  46  */
  47 PatchChange::PatchChange(MidiRegionView&                   region,
  48                          ArdourCanvas::Container*          parent,
  49                          const string&                     text,
  50                          double                            height,
  51                          double                            x,
  52                          double                            y,
  53                          ARDOUR::InstrumentInfo&           info,
  54                          ARDOUR::MidiModel::PatchChangePtr patch,
  55                          Gtkmm2ext::Color               outline_color,
  56                          Gtkmm2ext::Color               fill_color)
  57         : _region (region)
  58         , _info (info)
  59         , _patch (patch)
  60         , _popup_initialized(false)
  61 {
  62         _flag = new ArdourCanvas::Flag (
  63                 parent,
  64                 height,
  65                 outline_color,
  66                 fill_color,
  67                 ArdourCanvas::Duple (x, y),
  68                 true);
  69
  70         CANVAS_DEBUG_NAME (_flag, text);
  71
  72         _flag->Event.connect (sigc::mem_fun (*this, &PatchChange::event_handler));
  73         _flag->set_font_description (UIConfiguration::instance().get_SmallFont());
  74         _flag->set_text(text);
  75 }
  76
  77 PatchChange::~PatchChange()
  78 {
  79         delete _flag;
  80 }
  81
  82 void
  83 PatchChange::initialize_popup_menus()
  84 {
  85         using namespace MIDI::Name;
  86
  87         boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
  88
  89         if (!channel_name_set || channel_name_set->patch_banks().size () == 0) {
  90                 return;
  91         }
  92
  93         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  94
  95         if (patch_banks.size() > 1) {
  96
  97                 // fill popup menu:
  98                 Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  99
 100                 for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
 101                      bank != patch_banks.end();
 102                      ++bank) {
 103                         Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
 104                         std::string replacement(" ");
 105
 106                         Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
 107
 108                         const PatchNameList& patches = (*bank)->patch_name_list();
 109                         Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
 110
 111                         for (PatchNameList::const_iterator patch = patches.begin();
 112                              patch != patches.end();
 113                              ++patch) {
 114                                 std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
 115
 116                                 patch_menus.push_back(
 117                                         Gtk::Menu_Helpers::MenuElem(
 118                                                 name,
 119                                                 sigc::bind(
 120                                                         sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected),
 121                                                         (*patch)->patch_primary_key())) );
 122                         }
 123
 124
 125                         std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 126
 127                         patch_bank_menus.push_back(
 128                                 Gtk::Menu_Helpers::MenuElem(
 129                                         name,
 130                                         patch_bank_menu) );
 131                 }
 132
 133         } else {
 134                 /* only one patch bank, so make it the initial menu */
 135
 136                 const PatchNameList& patches = patch_banks.front()->patch_name_list();
 137                 Gtk::Menu::MenuList& patch_menus = _popup.items();
 138
 139                 for (PatchNameList::const_iterator patch = patches.begin();
 140                      patch != patches.end();
 141                      ++patch) {
 142                         patch_menus.push_back (Gtkmm2ext::MenuElemNoMnemonic ((*patch)->name(),
 143                                                 sigc::bind (sigc::mem_fun(*this, &PatchChange::on_patch_menu_selected), (*patch)->patch_primary_key())));
 144                 }
 145         }
 146 }
 147
 148 void
 149 PatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 150 {
 151         _region.change_patch_change (*this, key);
 152 }
 153
 154 bool
 155 PatchChange::event_handler (GdkEvent* ev)
 156 {
 157         /* XXX: icky dcast */
 158         Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 159
 160         if (!e->internal_editing()) {
 161                 return false;
 162         }
 163
 164         switch (ev->type) {
 165         case GDK_BUTTON_PRESS:
 166                 if (e->current_mouse_mode() == Editing::MouseContent) {
 167
 168                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 169
 170                                 _region.delete_patch_change (this);
 171                                 return true;
 172
 173                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 174
 175                                 _region.edit_patch_change (this);
 176                                 return true;
 177
 178                         } else if (ev->button.button == 1) {
 179                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 180                                 return true;
 181                         }
 182                 }
 183
 184                 if (Gtkmm2ext::Keyboard::is_context_menu_event (&ev->button)) {
 185                         if (!_popup_initialized) {
 186                                 initialize_popup_menus();
 187                                 _popup_initialized = true;
 188                         }
 189                         _popup.popup(ev->button.button, ev->button.time);
 190                         return true;
 191                 }
 192                 break;
 193
 194         case GDK_KEY_PRESS:
 195                 switch (ev->key.keyval) {
 196                 case GDK_Up:
 197                 case GDK_KP_Up:
 198                 case GDK_uparrow:
 199                         _region.step_patch(
 200                                 *this, Keyboard::modifier_state_contains(ev->key.state, Keyboard::TertiaryModifier), 1);
 201                         return true;
 202                 case GDK_Down:
 203                 case GDK_KP_Down:
 204                 case GDK_downarrow:
 205                         _region.step_patch(
 206                                 *this, Keyboard::modifier_state_contains(ev->key.state, Keyboard::TertiaryModifier), -1);
 207                         return true;
 208                 default:
 209                         break;
 210                 }
 211                 break;
 212
 213         case GDK_KEY_RELEASE:
 214                 switch (ev->key.keyval) {
 215                 case GDK_BackSpace:
 216                 case GDK_Delete:
 217                         _region.delete_patch_change (this);
 218                 default:
 219                         break;
 220                 }
 221                 break;
 222
 223         case GDK_SCROLL:
 224                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 225                         _region.step_patch(
 226                                 *this, Keyboard::modifier_state_contains(ev->scroll.state, Keyboard::TertiaryModifier), 1);
 227                         return true;
 228                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 229                         _region.step_patch(
 230                                 *this, Keyboard::modifier_state_contains(ev->scroll.state, Keyboard::TertiaryModifier), -1);
 231                         return true;
 232                 }
 233                 break;
 234
 235         case GDK_ENTER_NOTIFY:
 236                 _region.patch_entered (this);
 237                 break;
 238
 239         case GDK_LEAVE_NOTIFY:
 240                 _region.patch_left (this);
 241                 break;
 242
 243         default:
 244                 break;
 245         }
 246
 247         return false;
 248 }
 249
 250 void
 251 PatchChange::move (ArdourCanvas::Duple d)
 252 {
 253         _flag->move (d);
 254 }
 255
 256 void
 257 PatchChange::set_height (ArdourCanvas::Distance height)
 258 {
 259         _flag->set_height (height);
 260 }
 261
 262 void
 263 PatchChange::hide ()
 264 {
 265         _flag->hide ();
 266 }
 267
 268 void
 269 PatchChange::show ()
 270 {
 271         _flag->show ();
 272 }