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 "ardour_ui.h"
  26 #include "keyboard.h"
  27 #include "opts.h"
  28
  29 #include "i18n.h"
  30
  31 #ifdef SearchPath
  32 #undef SearchPath
  33 #endif
  34
  35 using namespace std;
  36 using namespace Gtk;
  37 using namespace PBD;
  38 using namespace ARDOUR;
  39 using Gtkmm2ext::Keyboard;
  40
  41 static void
  42 accel_map_changed (GtkAccelMap* /*map*/,
  43                    gchar* /*path*/,
  44                    guint /*key*/,
  45                    GdkModifierType /*mod*/,
  46                    gpointer keyboard)
  47 {
  48         ArdourKeyboard* me = (ArdourKeyboard*)keyboard;
  49         Keyboard::keybindings_changed ();
  50         me->ui.setup_tooltips ();
  51 }
  52
  53 void
  54 ArdourKeyboard::setup_keybindings ()
  55 {
  56         using namespace ARDOUR_COMMAND_LINE;
  57         string default_bindings = "mnemonic-us.bindings";
  58         vector<string> strs;
  59
  60         binding_files.clear ();
  61
  62         ARDOUR::find_bindings_files (binding_files);
  63
  64         /* set up the per-user bindings path */
  65
  66         user_keybindings_path = Glib::build_filename (user_config_directory(), "ardour.bindings");
  67
  68         if (Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
  69                 std::pair<string,string> newpair;
  70                 newpair.first = _("your own");
  71                 newpair.second = user_keybindings_path;
  72                 binding_files.insert (newpair);
  73         }
  74
  75         /* check to see if they gave a style name ("SAE", "ergonomic") or
  76            an actual filename (*.bindings)
  77         */
  78
  79         if (!keybindings_path.empty() && keybindings_path.find (".bindings") == string::npos) {
  80
  81                 // just a style name - allow user to
  82                 // specify the layout type.
  83
  84                 char* layout;
  85
  86                 if ((layout = getenv ("ARDOUR_KEYBOARD_LAYOUT")) != 0 && layout[0] != '\0') {
  87
  88                         /* user-specified keyboard layout */
  89
  90                         keybindings_path += '-';
  91                         keybindings_path += layout;
  92
  93                 } else {
  94
  95                         /* default to US/ANSI - we have to pick something */
  96
  97                         keybindings_path += "-us";
  98                 }
  99
 100                 keybindings_path += ".bindings";
 101         }
 102
 103         if (keybindings_path.empty()) {
 104
 105                 /* no path or binding name given: check the user one first */
 106
 107                 if (!Glib::file_test (user_keybindings_path, Glib::FILE_TEST_EXISTS)) {
 108
 109                         keybindings_path = "";
 110
 111                 } else {
 112
 113                         keybindings_path = user_keybindings_path;
 114                 }
 115         }
 116
 117         /* if we still don't have a path at this point, use the default */
 118
 119         if (keybindings_path.empty()) {
 120                 keybindings_path = default_bindings;
 121         }
 122
 123         while (true) {
 124
 125                 if (!Glib::path_is_absolute (keybindings_path)) {
 126
 127                         /* not absolute - look in the usual places */
 128                         std::string keybindings_file;
 129
 130                         if ( ! find_file_in_search_path (ardour_config_search_path(), keybindings_path, keybindings_file)) {
 131
 132                                 if (keybindings_path == default_bindings) {
 133                                         error << string_compose (_("Default keybindings not found - %1 will be hard to use!"), PROGRAM_NAME) << endmsg;
 134                                         return;
 135                                 } else {
 136                                         warning << string_compose (_("Key bindings file \"%1\" not found. Default bindings used instead"),
 137                                                                    keybindings_path)
 138                                                 << endmsg;
 139                                         keybindings_path = default_bindings;
 140                                 }
 141
 142                         } else {
 143
 144                                 /* use it */
 145
 146                                 keybindings_path = keybindings_file;
 147                                 break;
 148
 149                         }
 150
 151                 } else {
 152
 153                         /* path is absolute already */
 154
 155                         if (!Glib::file_test (keybindings_path, Glib::FILE_TEST_EXISTS)) {
 156                                 if (keybindings_path == default_bindings) {
 157                                         error << string_compose (_("Default keybindings not found - %1 will be hard to use!"), PROGRAM_NAME) << endmsg;
 158                                         return;
 159                                 } else {
 160                                         warning << string_compose (_("Key bindings file \"%1\" not found. Default bindings used instead"),
 161                                                                    keybindings_path)
 162                                                 << endmsg;
 163                                         keybindings_path = default_bindings;
 164                                 }
 165
 166                         } else {
 167                                 break;
 168                         }
 169                 }
 170         }
 171
 172         load_keybindings (keybindings_path);
 173
 174         /* catch changes */
 175
 176         GtkAccelMap* accelmap = gtk_accel_map_get();
 177         g_signal_connect (accelmap, "changed", (GCallback) accel_map_changed, this);
 178 }
 179
 180 Selection::Operation
 181 ArdourKeyboard::selection_type (guint state)
 182 {
 183         /* note that there is no modifier for "Add" */
 184
 185         if (modifier_state_equals (state, RangeSelectModifier)) {
 186                 return Selection::Extend;
 187         } else if (modifier_state_equals (state, PrimaryModifier)) {
 188                 return Selection::Toggle;
 189         } else {
 190                 return Selection::Set;
 191         }
 192 }
 193
 194