gtk2_ardour/editor_snapshots.cc

   1 /*
   2     Copyright (C) 2000-2009 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 <gtkmm/liststore.h>
  21 #include "gtkmm2ext/choice.h"
  22 #include "ardour/session.h"
  23 #include "ardour/session_state_utils.h"
  24 #include "ardour/session_directory.h"
  25 #include "editor_snapshots.h"
  26 #include "ardour_ui.h"
  27 #include "i18n.h"
  28 #include "editor.h"
  29 #include "utils.h"
  30 #include "prompter.h"
  31
  32 using namespace std;
  33 using namespace PBD;
  34 using namespace Gtk;
  35 using namespace ARDOUR;
  36
  37 EditorSnapshots::EditorSnapshots (Editor* e)
  38         : EditorComponent (e)
  39 {
  40         _model = ListStore::create (_columns);
  41         _display.set_model (_model);
  42         _display.append_column (X_("snapshot"), _columns.visible_name);
  43         _display.set_name ("SnapshotDisplay");
  44         _display.set_size_request (75, -1);
  45         _display.set_headers_visible (false);
  46         _display.set_reorderable (false);
  47         _scroller.add (_display);
  48         _scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
  49
  50         _display.get_selection()->signal_changed().connect (sigc::mem_fun(*this, &EditorSnapshots::selection_changed));
  51         _display.signal_button_press_event().connect (sigc::mem_fun (*this, &EditorSnapshots::button_press), false);
  52 }
  53
  54 void
  55 EditorSnapshots::set_session (Session* s)
  56 {
  57         SessionHandlePtr::set_session (s);
  58
  59         redisplay ();
  60 }
  61
  62 /** A new snapshot has been selected.
  63  */
  64 void
  65 EditorSnapshots::selection_changed ()
  66 {
  67         if (_display.get_selection()->count_selected_rows() > 0) {
  68
  69                 TreeModel::iterator i = _display.get_selection()->get_selected();
  70
  71                 std::string snap_name = (*i)[_columns.real_name];
  72
  73                 if (snap_name.length() == 0) {
  74                         return;
  75                 }
  76
  77                 if (_session->snap_name() == snap_name) {
  78                         return;
  79                 }
  80
  81                 ARDOUR_UI::instance()->load_session (_session->path(), string (snap_name));
  82         }
  83 }
  84
  85 bool
  86 EditorSnapshots::button_press (GdkEventButton* ev)
  87 {
  88         if (ev->button == 3) {
  89                 /* Right-click on the snapshot list. Work out which snapshot it
  90                    was over. */
  91                 Gtk::TreeModel::Path path;
  92                 Gtk::TreeViewColumn* col;
  93                 int cx;
  94                 int cy;
  95                 _display.get_path_at_pos ((int) ev->x, (int) ev->y, path, col, cx, cy);
  96                 Gtk::TreeModel::iterator iter = _model->get_iter (path);
  97                 if (iter) {
  98                         Gtk::TreeModel::Row row = *iter;
  99                         popup_context_menu (ev->button, ev->time, row[_columns.real_name]);
 100                 }
 101                 return true;
 102         }
 103
 104         return false;
 105 }
 106
 107
 108 /** Pop up the snapshot display context menu.
 109  * @param button Button used to open the menu.
 110  * @param time Menu open time.
 111  * @param snapshot_name Name of the snapshot that the menu click was over.
 112  */
 113 void
 114 EditorSnapshots::popup_context_menu (int button, int32_t time, std::string snapshot_name)
 115 {
 116         using namespace Menu_Helpers;
 117
 118         MenuList& items (_menu.items());
 119         items.clear ();
 120
 121         const bool modification_allowed = (_session->snap_name() != snapshot_name && _session->name() != snapshot_name);
 122
 123         add_item_with_sensitivity (items, MenuElem (_("Remove"), sigc::bind (sigc::mem_fun (*this, &EditorSnapshots::remove), snapshot_name)), modification_allowed);
 124
 125         add_item_with_sensitivity (items, MenuElem (_("Rename"), sigc::bind (sigc::mem_fun (*this, &EditorSnapshots::rename), snapshot_name)), modification_allowed);
 126
 127         _menu.popup (button, time);
 128 }
 129
 130 void
 131 EditorSnapshots::rename (std::string old_name)
 132 {
 133         ArdourPrompter prompter(true);
 134
 135         string new_name;
 136
 137         prompter.set_name ("Prompter");
 138         prompter.add_button (Gtk::Stock::SAVE, Gtk::RESPONSE_ACCEPT);
 139         prompter.set_prompt (_("New name of snapshot"));
 140         prompter.set_initial_text (old_name);
 141
 142         if (prompter.run() == RESPONSE_ACCEPT) {
 143                 prompter.get_result (new_name);
 144                 if (new_name.length()) {
 145                         _session->rename_state (old_name, new_name);
 146                         redisplay ();
 147                 }
 148         }
 149 }
 150
 151
 152 void
 153 EditorSnapshots::remove (std::string name)
 154 {
 155         vector<string> choices;
 156
 157         std::string prompt = string_compose (_("Do you really want to remove snapshot \"%1\" ?\n(which cannot be undone)"), name);
 158
 159         choices.push_back (_("No, do nothing."));
 160         choices.push_back (_("Yes, remove it."));
 161
 162         Gtkmm2ext::Choice prompter (_("Remove snapshot"), prompt, choices);
 163
 164         if (prompter.run () == 1) {
 165                 _session->remove_state (name);
 166                 redisplay ();
 167         }
 168 }
 169
 170 void
 171 EditorSnapshots::redisplay ()
 172 {
 173         if (_session == 0) {
 174                 return;
 175         }
 176
 177         vector<sys::path> state_file_paths;
 178
 179         get_state_files_in_directory (_session->session_directory().root_path(),
 180                                       state_file_paths);
 181
 182         if (state_file_paths.empty()) {
 183                 return;
 184         }
 185
 186         vector<string> state_file_names (get_file_names_no_extension(state_file_paths));
 187
 188         _model->clear ();
 189
 190         for (vector<string>::iterator i = state_file_names.begin(); i != state_file_names.end(); ++i)
 191         {
 192                 string statename = (*i);
 193                 TreeModel::Row row = *(_model->append());
 194
 195                 /* this lingers on in case we ever want to change the visible
 196                    name of the snapshot.
 197                 */
 198
 199                 string display_name;
 200                 display_name = statename;
 201
 202                 if (statename == _session->snap_name()) {
 203                         _display.get_selection()->select(row);
 204                 }
 205
 206                 row[_columns.visible_name] = display_name;
 207                 row[_columns.real_name] = statename;
 208         }
 209 }
 210