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         // fill popup menu:
  85         Gtk::Menu::MenuList& patch_bank_menus = _popup.items();
  86
  87         for (ChannelNameSet::PatchBanks::const_iterator bank = patch_banks.begin();
  88              bank != patch_banks.end();
  89              ++bank) {
  90                 Gtk::Menu& patch_bank_menu = *manage(new Gtk::Menu());
  91
  92                 const PatchBank::PatchNameList& patches = (*bank)->patch_name_list();
  93                 Gtk::Menu::MenuList& patch_menus = patch_bank_menu.items();
  94
  95                 for (PatchBank::PatchNameList::const_iterator patch = patches.begin();
  96                      patch != patches.end();
  97                      ++patch) {
  98                         std::string name = (*patch)->name();
  99                         boost::replace_all (name, "_", " ");
 100
 101                         patch_menus.push_back(
 102                                 Gtk::Menu_Helpers::MenuElem(
 103                                         name,
 104                                         sigc::bind(
 105                                                 sigc::mem_fun(*this, &CanvasPatchChange::on_patch_menu_selected),
 106                                                 (*patch)->patch_primary_key())) );
 107                 }
 108
 109                 std::string name = (*bank)->name();
 110                 boost::replace_all (name, "_", " ");
 111
 112                 patch_bank_menus.push_back(
 113                         Gtk::Menu_Helpers::MenuElem(
 114                                 name,
 115                                 patch_bank_menu) );
 116         }
 117 }
 118
 119 void
 120 CanvasPatchChange::on_patch_menu_selected(const PatchPrimaryKey& key)
 121 {
 122         _region.change_patch_change (*this, key);
 123 }
 124
 125 bool
 126 CanvasPatchChange::on_event (GdkEvent* ev)
 127 {
 128         switch (ev->type) {
 129         case GDK_BUTTON_PRESS:
 130         {
 131                 /* XXX: icky dcast */
 132                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 133                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 134
 135                         if (Gtkmm2ext::Keyboard::is_delete_event (&ev->button)) {
 136
 137                                 _region.delete_patch_change (this);
 138                                 return true;
 139
 140                         } else if (Gtkmm2ext::Keyboard::is_edit_event (&ev->button)) {
 141
 142                                 _region.edit_patch_change (this);
 143                                 return true;
 144
 145                         } else if (ev->button.button == 1) {
 146                                 e->drags()->set (new PatchChangeDrag (e, this, &_region), ev);
 147                                 return true;
 148                         }
 149                 }
 150
 151                 if (ev->button.button == 3) {
 152                         if (!_popup_initialized) {
 153                                 initialize_popup_menus();
 154                                 _popup_initialized = true;
 155                         }
 156                         if (!_popup.items().empty()) {
 157                                 _popup.popup(ev->button.button, ev->button.time);
 158                         }
 159                         return true;
 160                 }
 161                 break;
 162         }
 163
 164         case GDK_KEY_PRESS:
 165                 switch (ev->key.keyval) {
 166                 case GDK_Up:
 167                 case GDK_KP_Up:
 168                 case GDK_uparrow:
 169                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 170                                 _region.previous_bank (*this);
 171                         } else {
 172                                 _region.previous_patch (*this);
 173                         }
 174                         break;
 175                 case GDK_Down:
 176                 case GDK_KP_Down:
 177                 case GDK_downarrow:
 178                         if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 179                                 _region.next_bank (*this);
 180                         } else {
 181                                 _region.next_patch (*this);
 182                         }
 183                         break;
 184                 default:
 185                         break;
 186                 }
 187                 break;
 188
 189         case GDK_SCROLL:
 190         {
 191                 /* XXX: icky dcast */
 192                 Editor* e = dynamic_cast<Editor*> (&_region.get_time_axis_view().editor());
 193                 if (e->current_mouse_mode() == Editing::MouseObject && e->internal_editing()) {
 194                         if (ev->scroll.direction == GDK_SCROLL_UP) {
 195                                 if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 196                                         _region.previous_bank (*this);
 197                                 } else {
 198                                         _region.previous_patch (*this);
 199                                 }
 200                                 return true;
 201                         } else if (ev->scroll.direction == GDK_SCROLL_DOWN) {
 202                                 if (Keyboard::modifier_state_contains (ev->scroll.state, Keyboard::PrimaryModifier)) {
 203                                         _region.next_bank (*this);
 204                                 } else {
 205                                         _region.next_patch (*this);
 206                                 }
 207                                 return true;
 208                         }
 209                         break;
 210                 }
 211         }
 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         default:
 222                 break;
 223         }
 224
 225         return false;
 226 }