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 "pbd/stacktrace.h"
  25
  26 #include "gtkmm2ext/keyboard.h"
  27 #include "ardour/instrument_info.h"
  28
  29 #include "ardour_ui.h"
  30 #include "midi_region_view.h"
  31 #include "canvas_patch_change.h"
  32 #include "editor.h"
  33 #include "editor_drag.h"
  34
  35 using namespace Gnome::Canvas;
  36 using namespace MIDI::Name;
  37 using namespace Gtkmm2ext;
  38 using namespace std;
  39
  40 /** @param x x position in pixels.
  41  */
  42 CanvasPatchChange::CanvasPatchChange(
  43                 MidiRegionView& region,
  44                 Group&          parent,
  45                 const string&   text,
  46                 double          height,
  47                 double          x,
  48                 double          y,
  49                 ARDOUR::InstrumentInfo& info,
  50                 ARDOUR::MidiModel::PatchChangePtr patch,
  51                 bool active_channel)
  52         : CanvasFlag(
  53                         region,
  54                         parent,
  55                         height,
  56                         active_channel ?
  57                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeOutline.get() :
  58                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeInactiveChannelOutline.get(),
  59                         active_channel ?
  60                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeFill.get() :
  61                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeInactiveChannelFill.get(),
  62                         x,
  63                         y)
  64         , _info (info)
  65         , _patch (patch)
  66         , _popup_initialized(false)
  67 {
  68         set_text (text);
  69 }
  70
  71 CanvasPatchChange::~CanvasPatchChange()
  72 {
  73 }
  74
  75 void
  76 CanvasPatchChange::initialize_popup_menus()
  77 {
  78         boost::shared_ptr<ChannelNameSet> channel_name_set = _info.get_patches (_patch->channel());
  79
  80         if (!channel_name_set) {
  81                 return;
  82         }
  83
  84         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  85
  86         if (patch_banks.size() > 1) {
  87                 // fill popup menu:
  88                 Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  89
  90                 for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  91                      bank != patch_banks.end();
  92                      ++bank) {
  93                         Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  94
  95                         const PatchBank::PatchNameList& patches = (*bank)->patch_name_list();
  96                         Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
  97
  98                         for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
  99                              patch != patches.end();
 100                              ++patch) {
 101                                 std::string name = (*patch)->name();
 102                                 boost::replace_all (name, "_", " ");
 103
 104                                 patch_menus.push_back(
 105                                         Gtk::Menu_Helpers::MenuElem(
 106                                                 name,
 107                                                 sigc::bind(
 108                                                         sigc::mem_fun(*this, &CanvasPatchChange::on_patch_menu_selected),
 109                                                         (*patch)->patch_primary_key())) );
 110                         }
 111
 112                         std::string name = (*bank)->name();
 113                         boost::replace_all (name, "_", " ");
 114
 115                         patch_bank_menus.push_back(
 116                                 Gtk::Menu_Helpers::MenuElem(
 117                                         name,
 118                                         patch_bank_menu) );
 119                 }
 120         } else {
 121                 /* only one patch bank, so make it the initial menu */
 122
 123                 const PatchBank::PatchNameList& patches = patch_banks.front()->patch_name_list();
 124                 Gtk::Menu::MenuList& patch_menus = _popup.items();
 125
 126                 for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
 127                      patch != patches.end();
 128                      ++patch) {
 129                         std::string name = (*patch)->name();
 130                         boost::replace_all (name, "_", " ");
 131
 132                         patch_menus.push_back (Gtk::Menu_Helpers::MenuElem (name,
 133                                                                             sigc::bind (
 134                                                                                     sigc::mem_fun(*this, &CanvasPatchChange::on_patch_menu_selected),
 135                                                                                     (*patch)->patch_primary_key())));
 136                 }
 137         }
 138 }
 139
 140 void
 141 CanvasPatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 142 {
 143         _region.change_patch_change (*this, key);
 144 }
 145
 146 bool
 147 CanvasPatchChange::on_event (GdkEvent* ev)
 148 {
 149         Editor* e;
 150
 151         switch (ev->type) {
 152         case GDK_BUTTON_PRESS:
 153                 /* XXX: icky dcast */
 154                 e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 155                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 156
 157                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 158
 159                                 _region.delete_patch_change (this);
 160                                 return true;
 161
 162                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 163
 164                                 _region.edit_patch_change (this);
 165                                 return true;
 166
 167                         } else if (ev->button.button == 1) {
 168                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 169                                 return true;
 170                         }
 171                 }
 172
 173                 if (ev->button.button == 3) {
 174                         if (!_popup_initialized) {
 175                                 initialize_popup_menus();
 176                                 _popup_initialized = true;
 177                         }
 178                         if (!_popup.items().empty()) {
 179                                 _popup.popup(ev->button.button, ev->button.time);
 180                         }
 181                         return true;
 182                 }
 183                 break;
 184
 185         case GDK_KEY_PRESS:
 186                 switch (ev->key.keyval) {
 187                 case GDK_Up:
 188                 case GDK_KP_Up:
 189                 case GDK_uparrow:
 190                         if (Keyboard::modifier_state_contains (ev->key.state, Keyboard::PrimaryModifier)) {
 191                                 _region.previous_bank (*this);
 192                         } else {
 193                                 _region.previous_patch (*this);
 194                         }
 195                         break;
 196                 case GDK_Down:
 197                 case GDK_KP_Down:
 198                 case GDK_downarrow:
 199                         if (Keyboard::modifier_state_contains (ev->key.state, Keyboard::PrimaryModifier)) {
 200                                 _region.next_bank (*this);
 201                         } else {
 202                                 _region.next_patch (*this);
 203                         }
 204                         break;
 205                 case GDK_Delete:
 206                 case GDK_BackSpace:
 207                         _region.delete_patch_change (this);
 208                         break;
 209                 default:
 210                         break;
 211                 }
 212                 break;
 213
 214         case GDK_SCROLL:
 215                 /* XXX: icky dcast */
 216                 e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 217                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 218                         if (ev->scroll.direction == GDK_SCROLL_UP) {
 219                                 if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 220                                         _region.previous_bank (*this);
 221                                 } else {
 222                                         _region.previous_patch (*this);
 223                                 }
 224                         } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 225                                 if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 226                                         _region.next_bank (*this);
 227                                 } else {
 228                                         _region.next_patch (*this);
 229                                 }
 230                         }
 231                         return true;
 232                         break;
 233                 }
 234                 break;
 235
 236         case GDK_ENTER_NOTIFY:
 237                 _region.patch_entered (this);
 238                 return true;
 239                 break;
 240
 241         case GDK_LEAVE_NOTIFY:
 242                 _region.patch_left (this);
 243                 return true;
 244                 break;
 245
 246         default:
 247                 break;
 248         }
 249
 250         return false;
 251 }