gtk2_ardour/canvas_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 "gtkmm2ext/keyboard.h"
  25 #include "ardour/instrument_info.h"
  26
  27 #include "ardour_ui.h"
  28 #include "midi_region_view.h"
  29 #include "canvas_patch_change.h"
  30 #include "editor.h"
  31 #include "editor_drag.h"
  32
  33 using namespace Gnome::Canvas;
  34 using namespace MIDI::Name;
  35 using namespace Gtkmm2ext;
  36 using namespace std;
  37
  38 /** @param x x position in pixels.
  39  */
  40 CanvasPatchChange::CanvasPatchChange(
  41                 MidiRegionView& region,
  42                 Group&          parent,
  43                 const string&   text,
  44                 double          height,
  45                 double          x,
  46                 double          y,
  47                 ARDOUR::InstrumentInfo& info,
  48                 ARDOUR::MidiModel::PatchChangePtr patch,
  49                 bool active_channel)
  50         : CanvasFlag(
  51                         region,
  52                         parent,
  53                         height,
  54                         active_channel ?
  55                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeOutline.get() :
  56                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeInactiveChannelOutline.get(),
  57                         active_channel ?
  58                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeFill.get() :
  59                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeInactiveChannelFill.get(),
  60                         x,
  61                         y)
  62         , _info (info)
  63         , _patch (patch)
  64         , _popup_initialized(false)
  65 {
  66         set_text (text);
  67 }
  68
  69 CanvasPatchChange::~CanvasPatchChange()
  70 {
  71 }
  72
  73 void
  74 CanvasPatchChange::initialize_popup_menus()
  75 {
  76         boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
  77
  78         if (!channel_name_set) {
  79                 return;
  80         }
  81
  82         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  83
  84         if (patch_banks.size() > 1) {
  85                 // fill popup menu:
  86                 Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  87
  88                 for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  89                      bank != patch_banks.end();
  90                      ++bank) {
  91                         Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  92
  93                         const PatchBank::PatchNameList& patches = (*bank)->patch_name_list();
  94                         Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
  95
  96                         for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
  97                              patch != patches.end();
  98                              ++patch) {
  99                                 std::string name = (*patch)->name();
 100                                 boost::replace_all (name, "_", " ");
 101
 102                                 patch_menus.push_back(
 103                                         Gtk::Menu_Helpers::MenuElem(
 104                                                 name,
 105                                                 sigc::bind(
 106                                                         sigc::mem_fun(*this, &CanvasPatchChange::on_patch_menu_selected),
 107                                                         (*patch)->patch_primary_key())) );
 108                         }
 109
 110                         std::string name = (*bank)->name();
 111                         boost::replace_all (name, "_", " ");
 112
 113                         patch_bank_menus.push_back(
 114                                 Gtk::Menu_Helpers::MenuElem(
 115                                         name,
 116                                         patch_bank_menu) );
 117                 }
 118         } else {
 119                 /* only one patch bank, so make it the initial menu */
 120
 121                 const PatchBank::PatchNameList& patches = patch_banks.front()->patch_name_list();
 122                 Gtk::Menu::MenuList& patch_menus = _popup.items();
 123
 124                 for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
 125                      patch != patches.end();
 126                      ++patch) {
 127                         std::string name = (*patch)->name();
 128                         boost::replace_all (name, "_", " ");
 129
 130                         patch_menus.push_back (Gtk::Menu_Helpers::MenuElem (name,
 131                                                                             sigc::bind (
 132                                                                                     sigc::mem_fun(*this, &CanvasPatchChange::on_patch_menu_selected),
 133                                                                                     (*patch)->patch_primary_key())));
 134                 }
 135         }
 136 }
 137
 138 void
 139 CanvasPatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 140 {
 141         _region.change_patch_change (*this, key);
 142 }
 143
 144 bool
 145 CanvasPatchChange::on_event (GdkEvent* ev)
 146 {
 147         switch (ev->type) {
 148         case GDK_BUTTON_PRESS:
 149         {
 150                 /* XXX: icky dcast */
 151                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 152                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 153
 154                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 155
 156                                 _region.delete_patch_change (this);
 157                                 return true;
 158
 159                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 160
 161                                 _region.edit_patch_change (this);
 162                                 return true;
 163
 164                         } else if (ev->button.button == 1) {
 165                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 166                                 return true;
 167                         }
 168                 }
 169
 170                 if (ev->button.button == 3) {
 171                         if (!_popup_initialized) {
 172                                 initialize_popup_menus();
 173                                 _popup_initialized = true;
 174                         }
 175                         if (!_popup.items().empty()) {
 176                                 _popup.popup(ev->button.button, ev->button.time);
 177                         }
 178                         return true;
 179                 }
 180                 break;
 181         }
 182
 183         case GDK_KEY_PRESS:
 184                 switch (ev->key.keyval) {
 185                 case GDK_Up:
 186                 case GDK_KP_Up:
 187                 case GDK_uparrow:
 188                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 189                                 _region.previous_bank (*this);
 190                         } else {
 191                                 _region.previous_patch (*this);
 192                         }
 193                         break;
 194                 case GDK_Down:
 195                 case GDK_KP_Down:
 196                 case GDK_downarrow:
 197                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 198                                 _region.next_bank (*this);
 199                         } else {
 200                                 _region.next_patch (*this);
 201                         }
 202                         break;
 203                 default:
 204                         break;
 205                 }
 206                 break;
 207
 208         case GDK_SCROLL:
 209         {
 210                 /* XXX: icky dcast */
 211                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 212                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 213                         if (ev->scroll.direction == GDK_SCROLL_UP) {
 214                                 if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 215                                         _region.previous_bank (*this);
 216                                 } else {
 217                                         _region.previous_patch (*this);
 218                                 }
 219                                 return true;
 220                         } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 221                                 if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 222                                         _region.next_bank (*this);
 223                                 } else {
 224                                         _region.next_patch (*this);
 225                                 }
 226                                 return true;
 227                         }
 228                         break;
 229                 }
 230         }
 231
 232         case GDK_ENTER_NOTIFY:
 233                 _region.patch_entered (this);
 234                 break;
 235
 236         case GDK_LEAVE_NOTIFY:
 237                 _region.patch_left (this);
 238                 break;
 239
 240         default:
 241                 break;
 242         }
 243
 244         return false;
 245 }