gtk2_ardour/keyboard.cc

   1 /*
   2     Copyright (C) 2001 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 "pbd/error.h"
  21 #include "pbd/file_utils.h"
  22
  23 #include "ardour/filesystem_paths.h"
  24
  25 #include "keyboard.h"
  26 #include "opts.h"
  27
  28 #include "i18n.h"
  29
  30 using namespace std;
  31 using namespace Gtk;
  32 using namespace PBD;
  33 using namespace ARDOUR;
  34 using Gtkmm2ext::Keyboard;
  35
  36 static void
  37 accel_map_changed (GtkAccelMap* /*map*/,
  38                    gchar* /*path*/,
  39                    guint /*key*/,
  40                    GdkModifierType /*mod*/,
  41                    gpointer /*arg*/)
  42 {
  43         Keyboard::keybindings_changed ();
  44 }
  45
  46 void
  47 ArdourKeyboard::setup_keybindings ()
  48 {
  49         using namespace ARDOUR_COMMAND_LINE;
  50         string default_bindings = "mnemonic-us.bindings";
  51         vector<string> strs;
  52
  53         binding_files.clear ();
  54
  55         ARDOUR::find_bindings_files (binding_files);
  56
  57         /* set up the per-user bindings path */
  58
  59         strs.push_back (Glib::get_home_dir());
  60         strs.push_back (".ardour3");
  61         strs.push_back ("ardour.bindings");
  62
  63         user_keybindings_path = Glib::build_filename (strs);
  64
  65         if (Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
  66                 std::pair<string,string> newpair;
  67                 newpair.first = _("your own");
  68                 newpair.second = user_keybindings_path;
  69                 binding_files.insert (newpair);
  70         }
  71
  72         /* check to see if they gave a style name ("SAE", "ergonomic") or
  73            an actual filename (*.bindings)
  74         */
  75
  76         if (!keybindings_path.empty() && keybindings_path.find (".bindings") == string::npos) {
  77
  78                 // just a style name - allow user to
  79                 // specify the layout type.
  80
  81                 char* layout;
  82
  83                 if ((layout = getenv ("ARDOUR_KEYBOARD_LAYOUT")) != 0 && layout[0] != '\0') {
  84
  85                         /* user-specified keyboard layout */
  86
  87                         keybindings_path += '-';
  88                         keybindings_path += layout;
  89
  90                 } else {
  91
  92                         /* default to US/ANSI - we have to pick something */
  93
  94                         keybindings_path += "-us";
  95                 }
  96
  97                 keybindings_path += ".bindings";
  98         }
  99
 100         if (keybindings_path.empty()) {
 101
 102                 /* no path or binding name given: check the user one first */
 103
 104                 if (!Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
 105
 106                         keybindings_path = "";
 107
 108                 } else {
 109
 110                         keybindings_path = user_keybindings_path;
 111                 }
 112         }
 113
 114         /* if we still don't have a path at this point, use the default */
 115
 116         if (keybindings_path.empty()) {
 117                 keybindings_path = default_bindings;
 118         }
 119
 120         while (true) {
 121
 122                 if (!Glib::path_is_absolute (keybindings_path)) {
 123
 124                         /* not absolute - look in the usual places */
 125                         sys::path keybindings_file;
 126
 127                         SearchPath spath = ardour_search_path() + user_config_directory() + system_config_search_path();
 128
 129                         if ( ! find_file_in_search_path (spath, keybindings_path, keybindings_file)) {
 130
 131                                 if (keybindings_path == default_bindings) {
 132                                         error << _("Default keybindings not found - Ardour will be hard to use!") << endmsg;
 133                                         return;
 134                                 } else {
 135                                         warning << string_compose (_("Key bindings file \"%1\" not found. Default bindings used instead"),
 136                                                                    keybindings_path)
 137                                                 << endmsg;
 138                                         keybindings_path = default_bindings;
 139                                 }
 140
 141                         } else {
 142
 143                                 /* use it */
 144
 145                                 keybindings_path = keybindings_file.to_string();
 146                                 break;
 147
 148                         }
 149
 150                 } else {
 151
 152                         /* path is absolute already */
 153
 154                         if (!Glib::file_test (keybindings_path, Glib::FILE_TEST_EXISTS)) {
 155                                 if (keybindings_path == default_bindings) {
 156                                         error << _("Default keybindings not found - Ardour will be hard to use!") << endmsg;
 157                                         return;
 158                                 } else {
 159                                         warning << string_compose (_("Key bindings file \"%1\" not found. Default bindings used instead"),
 160                                                                    keybindings_path)
 161                                                 << endmsg;
 162                                         keybindings_path = default_bindings;
 163                                 }
 164
 165                         } else {
 166                                 break;
 167                         }
 168                 }
 169         }
 170
 171         load_keybindings (keybindings_path);
 172
 173         /* catch changes */
 174
 175         GtkAccelMap* accelmap = gtk_accel_map_get();
 176         g_signal_connect (accelmap, "changed", (GCallback) accel_map_changed, 0);
 177 }
 178
 179 Selection::Operation
 180 ArdourKeyboard::selection_type (guint state)
 181 {
 182         /* note that there is no modifier for "Add" */
 183
 184         if (modifier_state_equals (state, RangeSelectModifier)) {
 185                 return Selection::Extend;
 186         } else if (modifier_state_equals (state, PrimaryModifier)) {
 187                 return Selection::Toggle;
 188         } else {
 189                 return Selection::Set;
 190         }
 191 }
 192
 193