gtk2_ardour/audio_region_editor.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/memento_command.h>
  21
  22 #include <ardour/audioregion.h>
  23 #include <ardour/playlist.h>
  24 #include <ardour/utils.h>
  25 #include <gtkmm2ext/utils.h>
  26 #include <gtkmm2ext/stop_signal.h>
  27 #include <gtkmm2ext/window_title.h>
  28 #include <cmath>
  29
  30 #include "audio_region_editor.h"
  31 #include "audio_region_view.h"
  32 #include "ardour_ui.h"
  33 #include "utils.h"
  34 #include "gui_thread.h"
  35
  36 #include "i18n.h"
  37
  38 using namespace ARDOUR;
  39 using namespace PBD;
  40 using namespace sigc;
  41 using namespace std;
  42 using namespace Gtkmm2ext;
  43
  44 AudioRegionEditor::AudioRegionEditor (Session& s, boost::shared_ptr<AudioRegion> r, AudioRegionView& rv)
  45         : RegionEditor (s),
  46           _region (r),
  47           _region_view (rv),
  48           name_label (_("NAME:")),
  49           audition_button (_("play")),
  50           time_table (5, 2),
  51           position_clock (X_("regionposition"), true, X_("AudioRegionEditorClock"), true),
  52           end_clock (X_("regionend"), true, X_("AudioRegionEditorClock"), true),
  53           length_clock (X_("regionlength"), true, X_("AudioRegionEditorClock"), true, true),
  54           /* XXX cannot edit sync point or start yet */
  55           sync_offset_clock (X_("regionsyncoffset"), true, X_("AudioRegionEditorClock"), false),
  56           start_clock (X_("regionstart"), true, X_("AudioRegionEditorClock"), false)
  57
  58 {
  59         position_clock.set_session (&_session);
  60         end_clock.set_session (&_session);
  61         length_clock.set_session (&_session);
  62         sync_offset_clock.set_session (&_session);
  63         start_clock.set_session (&_session);
  64
  65         name_entry.set_name ("AudioRegionEditorEntry");
  66         name_label.set_name ("AudioRegionEditorLabel");
  67
  68         name_hbox.set_spacing (5);
  69         name_hbox.pack_start (name_label, false, false);
  70         name_hbox.pack_start (name_entry, false, false);
  71
  72         ARDOUR_UI::instance()->tooltips().set_tip (audition_button, _("audition this region"));
  73
  74         audition_button.unset_flags (Gtk::CAN_FOCUS);
  75
  76         audition_button.set_events (audition_button.get_events() & ~(Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK));
  77
  78         top_row_button_hbox.set_border_width (5);
  79         top_row_button_hbox.set_spacing (5);
  80         top_row_button_hbox.set_homogeneous (false);
  81         top_row_button_hbox.pack_end (audition_button, false, false);
  82
  83         top_row_hbox.pack_start (name_hbox, true, true);
  84         top_row_hbox.pack_end (top_row_button_hbox, true, true);
  85
  86         position_label.set_name ("AudioRegionEditorLabel");
  87         position_label.set_text (_("POSITION:"));
  88         end_label.set_name ("AudioRegionEditorLabel");
  89         end_label.set_text (_("END:"));
  90         length_label.set_name ("AudioRegionEditorLabel");
  91         length_label.set_text (_("LENGTH:"));
  92         sync_label.set_name ("AudioRegionEditorLabel");
  93         sync_label.set_text (_("SYNC POINT:"));
  94         start_label.set_name ("AudioRegionEditorLabel");
  95         start_label.set_text (_("FILE START:"));
  96
  97         time_table.set_col_spacings (2);
  98         time_table.set_row_spacings (5);
  99         time_table.set_border_width (5);
 100
 101         position_alignment.set (1.0, 0.5);
 102         end_alignment.set (1.0, 0.5);
 103         length_alignment.set (1.0, 0.5);
 104         sync_alignment.set (1.0, 0.5);
 105         start_alignment.set (1.0, 0.5);
 106
 107         position_alignment.add (position_label);
 108         end_alignment.add (end_label);
 109         length_alignment.add (length_label);
 110         sync_alignment.add (sync_label);
 111         start_alignment.add (start_label);
 112
 113         time_table.attach (position_alignment, 0, 1, 0, 1, Gtk::FILL, Gtk::FILL);
 114         time_table.attach (position_clock, 1, 2, 0, 1, Gtk::FILL, Gtk::FILL);
 115
 116         time_table.attach (end_alignment, 0, 1, 1, 2, Gtk::FILL, Gtk::FILL);
 117         time_table.attach (end_clock, 1, 2, 1, 2, Gtk::FILL, Gtk::FILL);
 118
 119         time_table.attach (length_alignment, 0, 1, 2, 3, Gtk::FILL, Gtk::FILL);
 120         time_table.attach (length_clock, 1, 2, 2, 3, Gtk::FILL, Gtk::FILL);
 121
 122         time_table.attach (sync_alignment, 0, 1, 3, 4, Gtk::FILL, Gtk::FILL);
 123         time_table.attach (sync_offset_clock, 1, 2, 3, 4, Gtk::FILL, Gtk::FILL);
 124
 125         time_table.attach (start_alignment, 0, 1, 4, 5, Gtk::FILL, Gtk::FILL);
 126         time_table.attach (start_clock, 1, 2, 4, 5, Gtk::FILL, Gtk::FILL);
 127
 128         lower_hbox.pack_start (time_table, true, true);
 129         lower_hbox.pack_start (sep1, false, false);
 130         lower_hbox.pack_start (sep2, false, false);
 131
 132         get_vbox()->pack_start (top_row_hbox, true, true);
 133         get_vbox()->pack_start (sep3, false, false);
 134         get_vbox()->pack_start (lower_hbox, true, true);
 135
 136         set_name ("AudioRegionEditorWindow");
 137         add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK);
 138
 139         signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), static_cast<Window *> (this)));
 140
 141         WindowTitle title(string_compose (_("Region %1"), _region->name()));
 142         title += Glib::get_application_name();
 143
 144         set_title (title.get_string());
 145
 146         show_all();
 147
 148         name_changed ();
 149         bounds_changed (Change (StartChanged|LengthChanged|PositionChanged|StartChanged|Region::SyncOffsetChanged));
 150
 151         _region->StateChanged.connect (mem_fun(*this, &AudioRegionEditor::region_changed));
 152
 153         spin_arrow_grab = false;
 154
 155         connect_editor_events ();
 156 }
 157
 158 AudioRegionEditor::~AudioRegionEditor ()
 159 {
 160 }
 161
 162 void
 163 AudioRegionEditor::region_changed (Change what_changed)
 164 {
 165         if (what_changed & NameChanged) {
 166                 name_changed ();
 167         }
 168
 169         if (what_changed & Change (BoundsChanged|StartChanged|Region::SyncOffsetChanged)) {
 170                 bounds_changed (what_changed);
 171         }
 172 }
 173
 174 gint
 175 AudioRegionEditor::bpressed (GdkEventButton* ev, Gtk::SpinButton* but, void (AudioRegionEditor::*pmf)())
 176 {
 177         switch (ev->button) {
 178         case 1:
 179         case 2:
 180         case 3:
 181                 if (ev->type == GDK_BUTTON_PRESS) { /* no double clicks here */
 182                         if (!spin_arrow_grab) {
 183                                 // GTK2FIX probably nuke the region editor
 184                                 // if ((ev->window == but->gobj()->panel)) {
 185                                 // spin_arrow_grab = true;
 186                                 // (this->*pmf)();
 187                                 // }
 188                         }
 189                 }
 190                 break;
 191         default:
 192                 break;
 193         }
 194         return FALSE;
 195 }
 196
 197 gint
 198 AudioRegionEditor::breleased (GdkEventButton* ev, Gtk::SpinButton* but, void (AudioRegionEditor::*pmf)())
 199 {
 200         if (spin_arrow_grab) {
 201                 (this->*pmf)();
 202                 spin_arrow_grab = false;
 203         }
 204         return FALSE;
 205 }
 206
 207 void
 208 AudioRegionEditor::connect_editor_events ()
 209 {
 210         name_entry.signal_changed().connect (mem_fun(*this, &AudioRegionEditor::name_entry_changed));
 211
 212         position_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::position_clock_changed));
 213         end_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::end_clock_changed));
 214         length_clock.ValueChanged.connect (mem_fun(*this, &AudioRegionEditor::length_clock_changed));
 215
 216         audition_button.signal_toggled().connect (mem_fun(*this, &AudioRegionEditor::audition_button_toggled));
 217         _session.AuditionActive.connect (mem_fun(*this, &AudioRegionEditor::audition_state_changed));
 218 }
 219
 220 void
 221 AudioRegionEditor::position_clock_changed ()
 222 {
 223         _session.begin_reversible_command (_("change region start position"));
 224
 225         boost::shared_ptr<Playlist> pl = _region->playlist();
 226
 227         if (pl) {
 228                 XMLNode &before = pl->get_state();
 229                 _region->set_position (position_clock.current_time(), this);
 230                 XMLNode &after = pl->get_state();
 231                 _session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 232         }
 233
 234         _session.commit_reversible_command ();
 235 }
 236
 237 void
 238 AudioRegionEditor::end_clock_changed ()
 239 {
 240         _session.begin_reversible_command (_("change region end position"));
 241
 242         boost::shared_ptr<Playlist> pl = _region->playlist();
 243
 244         if (pl) {
 245                 XMLNode &before = pl->get_state();
 246                 _region->trim_end (end_clock.current_time(), this);
 247                 XMLNode &after = pl->get_state();
 248                 _session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 249         }
 250
 251         _session.commit_reversible_command ();
 252
 253         end_clock.set (_region->position() + _region->length(), true);
 254 }
 255
 256 void
 257 AudioRegionEditor::length_clock_changed ()
 258 {
 259         nframes_t frames = length_clock.current_time();
 260
 261         _session.begin_reversible_command (_("change region length"));
 262
 263         boost::shared_ptr<Playlist> pl = _region->playlist();
 264
 265         if (pl) {
 266                 XMLNode &before = pl->get_state();
 267                 _region->trim_end (_region->position() + frames, this);
 268                 XMLNode &after = pl->get_state();
 269                 _session.add_command(new MementoCommand<Playlist>(*pl, &before, &after));
 270         }
 271
 272         _session.commit_reversible_command ();
 273
 274         length_clock.set (_region->length());
 275 }
 276
 277 void
 278 AudioRegionEditor::audition_button_toggled ()
 279 {
 280         if (audition_button.get_active()) {
 281                 _session.audition_region (_region);
 282         } else {
 283                 _session.cancel_audition ();
 284         }
 285 }
 286
 287 void
 288 AudioRegionEditor::name_changed ()
 289 {
 290         if (name_entry.get_text() != _region->name()) {
 291                 name_entry.set_text (_region->name());
 292         }
 293 }
 294
 295 void
 296 AudioRegionEditor::bounds_changed (Change what_changed)
 297 {
 298         if ((what_changed & Change (PositionChanged|LengthChanged)) == Change (PositionChanged|LengthChanged)) {
 299                 position_clock.set (_region->position(), true);
 300                 end_clock.set (_region->position() + _region->length(), true);
 301                 length_clock.set (_region->length(), true);
 302         } else if (what_changed & Change (PositionChanged)) {
 303                 position_clock.set (_region->position(), true);
 304                 end_clock.set (_region->position() + _region->length(), true);
 305         } else if (what_changed & Change (LengthChanged)) {
 306                 end_clock.set (_region->position() + _region->length(), true);
 307                 length_clock.set (_region->length(), true);
 308         }
 309
 310         if (what_changed & Region::SyncOffsetChanged) {
 311                 sync_offset_clock.set (_region->sync_position(), true);
 312         }
 313
 314         if (what_changed & StartChanged) {
 315                 start_clock.set (_region->start(), true);
 316         }
 317 }
 318
 319 void
 320 AudioRegionEditor::activation ()
 321 {
 322
 323 }
 324
 325 void
 326 AudioRegionEditor::name_entry_changed ()
 327 {
 328         if (name_entry.get_text() != _region->name()) {
 329                 _region->set_name (name_entry.get_text());
 330         }
 331 }
 332
 333 void
 334 AudioRegionEditor::audition_state_changed (bool yn)
 335 {
 336         ENSURE_GUI_THREAD (bind (mem_fun(*this, &AudioRegionEditor::audition_state_changed), yn));
 337
 338         if (!yn) {
 339                 audition_button.set_active (false);
 340         }
 341 }
 342