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                 bool active_channel)
  51         : CanvasFlag(
  52                         region,
  53                         parent,
  54                         height,
  55                         active_channel ?
  56                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeOutline.get() :
  57                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeInactiveChannelOutline.get(),
  58                         active_channel ?
  59                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeFill.get() :
  60                         ARDOUR_UI::config()->canvasvar_MidiPatchChangeInactiveChannelFill.get(),
  61                         x,
  62                         y)
  63         , _model_name(model_name)
  64         , _custom_device_mode(custom_device_mode)
  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 =
  79                 MidiPatchManager::instance()
  80                 .find_channel_name_set(_model_name, _custom_device_mode, _patch->channel());
  81
  82         if (!channel_name_set) {
  83                 return;
  84         }
  85
  86         const ChannelNameSet::PatchBanks& patch_banks = channel_name_set->patch_banks();
  87
  88         // fill popup menu:
  89         Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  90
  91         for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  92              bank != patch_banks.end();
  93              ++bank) {
  94                 Glib::RefPtr<Glib::Regex> underscores = Glib::Regex::create("_");
  95                 std::string replacement(" ");
  96
  97                 Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  98
  99                 const PatchBank::PatchNameList& patches = (*bank)->patch_name_list();
 100                 Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
 101
 102                 for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
 103                      patch != patches.end();
 104                      ++patch) {
 105                         std::string name = underscores->replace((*patch)->name().c_str(), -1, 0, replacement);
 106
 107                         patch_menus.push_back(
 108                                 Gtk::Menu_Helpers::MenuElem(
 109                                         name,
 110                                         sigc::bind(
 111                                                 sigc::mem_fun(*this, &CanvasPatchChange::on_patch_menu_selected),
 112                                                 (*patch)->patch_primary_key())) );
 113                 }
 114
 115
 116                 std::string name = underscores->replace((*bank)->name().c_str(), -1, 0, replacement);
 117
 118                 patch_bank_menus.push_back(
 119                         Gtk::Menu_Helpers::MenuElem(
 120                                 name,
 121                                 patch_bank_menu) );
 122         }
 123 }
 124
 125 void
 126 CanvasPatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 127 {
 128         _region.change_patch_change (*this, key);
 129 }
 130
 131 bool
 132 CanvasPatchChange::on_event (GdkEvent* ev)
 133 {
 134         switch (ev->type) {
 135         case GDK_BUTTON_PRESS:
 136         {
 137                 /* XXX: icky dcast */
 138                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 139                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 140
 141                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 142
 143                                 _region.delete_patch_change (this);
 144                                 return true;
 145
 146                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 147
 148                                 _region.edit_patch_change (this);
 149                                 return true;
 150
 151                         } else if (ev->button.button == 1) {
 152                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 153                                 return true;
 154                         }
 155                 }
 156
 157                 if (ev->button.button == 3) {
 158                         if (!_popup_initialized) {
 159                                 initialize_popup_menus();
 160                                 _popup_initialized = true;
 161                         }
 162                         if (!_popup.items().empty()) {
 163                                 _popup.popup(ev->button.button, ev->button.time);
 164                         }
 165                         return true;
 166                 }
 167                 break;
 168         }
 169
 170         case GDK_KEY_PRESS:
 171                 switch (ev->key.keyval) {
 172                 case GDK_Up:
 173                 case GDK_KP_Up:
 174                 case GDK_uparrow:
 175                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 176                                 _region.previous_bank (*this);
 177                         } else {
 178                                 _region.previous_patch (*this);
 179                         }
 180                         break;
 181                 case GDK_Down:
 182                 case GDK_KP_Down:
 183                 case GDK_downarrow:
 184                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 185                                 _region.next_bank (*this);
 186                         } else {
 187                                 _region.next_patch (*this);
 188                         }
 189                         break;
 190                 default:
 191                         break;
 192                 }
 193                 break;
 194
 195         case GDK_SCROLL:
 196                 if (ev->scroll.direction == GDK_SCROLL_UP) {
 197                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 198                                 _region.previous_bank (*this);
 199                         } else {
 200                                 _region.previous_patch (*this);
 201                         }
 202                         return true;
 203                 } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 204                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 205                                 _region.next_bank (*this);
 206                         } else {
 207                                 _region.next_patch (*this);
 208                         }
 209                         return true;
 210                 }
 211                 break;
 212
 213         case GDK_ENTER_NOTIFY:
 214                 _region.patch_entered (this);
 215                 break;
 216
 217         case GDK_LEAVE_NOTIFY:
 218                 _region.patch_left (this);
 219                 break;
 220
 221         case GDK_BUTTON_RELEASE:
 222                 return true;
 223
 224         default:
 225                 break;
 226         }
 227
 228         return false;
 229 }