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 <glibmm/regex.h>
  23
  24 #include "gtkmm2ext/keyboard.h"
  25 #include "ardour/midi_patch_manager.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                 string&         model_name,
  48                 string&         custom_device_mode,
  49                 ARDOUR::MidiModel::PatchChangePtr patch)
  50         : CanvasFlag(
  51                         region,
  52                         parent,
  53                         height,
  54                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeOutline.get(),
  55                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeFill.get(),
  56                         x,
  57                         y)
  58         , _model_name(model_name)
  59         , _custom_device_mode(custom_device_mode)
  60         , _patch (patch)
  61         , _popup_initialized(false)
  62 {
  63         set_text(text);
  64 }
  65
  66 CanvasPatchChange::~CanvasPatchChange()
  67 {
  68 }
  69
  70 void
  71 CanvasPatchChange::initialize_popup_menus()
  72 {
  73         boost::shared_ptr<ChannelNameSet> channel_name_set =
  74                 MidiPatchManager::instance()
  75                 .find_channel_name_set(_model_name, _custom_device_mode, _patch->channel());
  76
  77         if (!channel_name_set) {
  78                 return;
  79         }
  80
  81         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  82
  83         // fill popup menu:
  84         Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  85
  86         for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  87              bank != patch_banks.end();
  88              ++bank) {
  89                 Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
  90                 std::string replacement(" ");
  91
  92                 Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  93
  94                 const PatchBank::PatchNameList& patches = (*bank)->patch_name_list();
  95                 Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
  96
  97                 for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
  98                      patch != patches.end();
  99                      ++patch) {
 100                         std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
 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
 111                 std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 112
 113                 patch_bank_menus.push_back(
 114                         Gtk::Menu_Helpers::MenuElem(
 115                                 name,
 116                                 patch_bank_menu) );
 117         }
 118 }
 119
 120 void
 121 CanvasPatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 122 {
 123         _region.change_patch_change (*this, key);
 124 }
 125
 126 bool
 127 CanvasPatchChange::on_event (GdkEvent* ev)
 128 {
 129         switch (ev->type) {
 130         case GDK_BUTTON_PRESS:
 131         {
 132                 /* XXX: icky dcast */
 133                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 134                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 135
 136                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 137
 138                                 _region.delete_patch_change (this);
 139                                 return true;
 140
 141                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 142
 143                                 _region.edit_patch_change (this);
 144                                 return true;
 145
 146                         } else if (ev->button.button == 1) {
 147                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 148                                 return true;
 149                         }
 150                 }
 151
 152                 if (ev->button.button == 3) {
 153                         if (!_popup_initialized) {
 154                                 initialize_popup_menus();
 155                                 _popup_initialized = true;
 156                         }
 157                         if (!_popup.items().empty()) {
 158                                 _popup.popup(ev->button.button, ev->button.time);
 159                         }
 160                         return true;
 161                 }
 162                 break;
 163         }
 164
 165         case GDK_KEY_PRESS:
 166                 switch (ev->key.keyval) {
 167                 case GDK_Up:
 168                 case GDK_KP_Up:
 169                 case GDK_uparrow:
 170                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 171                                 _region.previous_bank (*this);
 172                         } else {
 173                                 _region.previous_patch (*this);
 174                         }
 175                         break;
 176                 case GDK_Down:
 177                 case GDK_KP_Down:
 178                 case GDK_downarrow:
 179                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 180                                 _region.next_bank (*this);
 181                         } else {
 182                                 _region.next_patch (*this);
 183                         }
 184                         break;
 185                 default:
 186                         break;
 187                 }
 188                 break;
 189
 190         case GDK_SCROLL:
 191                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 192                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 193                                 _region.previous_bank (*this);
 194                         } else {
 195                                 _region.previous_patch (*this);
 196                         }
 197                         return true;
 198                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 199                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 200                                 _region.next_bank (*this);
 201                         } else {
 202                                 _region.next_patch (*this);
 203                         }
 204                         return true;
 205                 }
 206                 break;
 207
 208         case GDK_ENTER_NOTIFY:
 209                 _region.patch_entered (this);
 210                 break;
 211
 212         case GDK_LEAVE_NOTIFY:
 213                 _region.patch_left (this);
 214                 break;
 215
 216         default:
 217                 break;
 218         }
 219
 220         return false;
 221 }