gtk2_ardour/editor_mixer.cc

   1 /*
   2     Copyright (C) 2003-2004 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 #ifdef WAF_BUILD
  21 #include "gtk2ardour-config.h"
  22 #endif
  23
  24 #include <glibmm/miscutils.h>
  25 #include <gtkmm/messagedialog.h>
  26 #include <gtkmm2ext/utils.h>
  27 #include <gtkmm2ext/window_title.h>
  28
  29 #include "pbd/enumwriter.h"
  30
  31 #include "ardour/rc_configuration.h"
  32
  33 #include "actions.h"
  34 #include "ardour_ui.h"
  35 #include "audio_time_axis.h"
  36 #include "automation_time_axis.h"
  37 #include "editor.h"
  38 #include "editor_route_groups.h"
  39 #include "editor_regions.h"
  40 #include "gui_thread.h"
  41 #include "midi_time_axis.h"
  42 #include "mixer_strip.h"
  43 #include "mixer_ui.h"
  44 #include "selection.h"
  45
  46 #include "i18n.h"
  47
  48 using namespace std;
  49 using namespace Gtkmm2ext;
  50 using namespace PBD;
  51
  52 void
  53 Editor::editor_mixer_button_toggled ()
  54 {
  55         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
  56         if (act) {
  57                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
  58                 show_editor_mixer (tact->get_active());
  59         }
  60 }
  61
  62 void
  63 Editor::editor_list_button_toggled ()
  64 {
  65         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-list"));
  66         if (act) {
  67                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
  68                 show_editor_list (tact->get_active());
  69         }
  70 }
  71
  72 void
  73 Editor::show_editor_mixer (bool yn)
  74 {
  75         boost::shared_ptr<ARDOUR::Route> r;
  76
  77         show_editor_mixer_when_tracks_arrive = false;
  78
  79         if (yn) {
  80                 Glib::RefPtr<Gdk::Window> win = get_window ();
  81                 Glib::RefPtr<Gdk::Screen> screen;
  82
  83                 if (win) {
  84                          screen = win->get_screen();
  85                 } else {
  86                         screen = Gdk::Screen::get_default();
  87                 }
  88
  89                 if (g_getenv ("ARDOUR_LOVES_STUPID_TINY_SCREENS") == 0 && screen && screen->get_height() < 700) {
  90                         Gtk::MessageDialog msg (_("This screen is not tall enough to display the editor mixer"));
  91                         msg.run ();
  92                         return;
  93                 }
  94         }
  95
  96         if (!_session) {
  97                 show_editor_mixer_when_tracks_arrive = yn;
  98                 return;
  99         }
 100
 101         if (yn) {
 102
 103                 if (selection->tracks.empty()) {
 104
 105                         if (track_views.empty()) {
 106                                 show_editor_mixer_when_tracks_arrive = true;
 107                                 return;
 108                         }
 109
 110                         for (TrackViewList::iterator i = track_views.begin(); i != track_views.end(); ++i) {
 111                                 RouteTimeAxisView* atv;
 112
 113                                 if ((atv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
 114                                         r = atv->route();
 115                                         break;
 116                                 }
 117                         }
 118
 119                 } else {
 120                         sort_track_selection (selection->tracks);
 121
 122                         for (TrackSelection::iterator i = selection->tracks.begin(); i != selection->tracks.end(); ++i) {
 123                                 RouteTimeAxisView* atv;
 124
 125                                 if ((atv = dynamic_cast<RouteTimeAxisView*> (*i)) != 0) {
 126                                         r = atv->route();
 127                                         break;
 128                                 }
 129                         }
 130                 }
 131
 132                 if (r) {
 133                         if (current_mixer_strip == 0) {
 134                                 create_editor_mixer ();
 135                         }
 136                 }
 137
 138                 if (current_mixer_strip && current_mixer_strip->get_parent() == 0) {
 139                         global_hpacker.pack_start (*current_mixer_strip, Gtk::PACK_SHRINK );
 140                         global_hpacker.reorder_child (*current_mixer_strip, 0);
 141                         current_mixer_strip->show ();
 142                 }
 143
 144                 if (r) {
 145                         current_mixer_strip->set_route (r);
 146                         current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
 147                 }
 148
 149         } else {
 150
 151                 if (current_mixer_strip) {
 152                         if (current_mixer_strip->get_parent() != 0) {
 153                                 global_hpacker.remove (*current_mixer_strip);
 154                         }
 155                 }
 156         }
 157
 158 #ifdef GTKOSX
 159         /* XXX gtk problem here */
 160         ensure_all_elements_drawn();
 161 #endif
 162 }
 163
 164 #ifdef GTKOSX
 165 void
 166 Editor::ensure_all_elements_drawn ()
 167 {
 168         controls_layout.queue_draw ();
 169         time_bars_event_box.queue_draw ();
 170 }
 171 #endif
 172
 173 void
 174 Editor::create_editor_mixer ()
 175 {
 176         current_mixer_strip = new MixerStrip (*ARDOUR_UI::instance()->the_mixer(),
 177                                               _session,
 178                                               false);
 179         current_mixer_strip->Hiding.connect (sigc::mem_fun(*this, &Editor::current_mixer_strip_hidden));
 180         current_mixer_strip->WidthChanged.connect (sigc::mem_fun (*this, &Editor::mixer_strip_width_changed));
 181
 182 #ifdef GTKOSX
 183         current_mixer_strip->WidthChanged.connect (sigc::mem_fun(*this, &Editor::ensure_all_elements_drawn));
 184 #endif
 185         current_mixer_strip->set_embedded (true);
 186
 187         current_mixer_strip->signal_enter_notify_event().connect (sigc::mem_fun(*this, &Editor::mixer_strip_enter_event ));
 188
 189 }
 190
 191 bool
 192 Editor::mixer_strip_enter_event (GdkEventCrossing *ev)
 193 {
 194         current_mixer_strip->set_selected(true);
 195         return false;
 196 }
 197
 198 void
 199 Editor::set_selected_mixer_strip (TimeAxisView& view)
 200 {
 201         if (!_session) {
 202                 return;
 203         }
 204
 205         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
 206
 207         if (act) {
 208                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
 209                 if (!tact || !tact->get_active()) {
 210                         /* not showing mixer strip presently */
 211                         return;
 212                 }
 213         }
 214
 215         if (current_mixer_strip == 0) {
 216                 create_editor_mixer ();
 217         }
 218
 219
 220         // if this is an automation track, then we shold the mixer strip should
 221         // show the parent
 222
 223         boost::shared_ptr<ARDOUR::Route> route;
 224         AutomationTimeAxisView* atv;
 225
 226         if ((atv = dynamic_cast<AutomationTimeAxisView*>(&view)) != 0) {
 227
 228                 AudioTimeAxisView *parent = dynamic_cast<AudioTimeAxisView*>(view.get_parent());
 229
 230                 if (parent) {
 231                         route = parent->route ();
 232                 }
 233
 234         } else {
 235
 236                 AudioTimeAxisView* at = dynamic_cast<AudioTimeAxisView*> (&view);
 237
 238                 if (at) {
 239                         route = at->route();
 240                 } else {
 241                         MidiTimeAxisView* mt = dynamic_cast<MidiTimeAxisView*> (&view);
 242                         if (mt) {
 243                                 route = mt->route();
 244                         }
 245                 }
 246         }
 247
 248         if (current_mixer_strip->route() == route) {
 249                 return;
 250         }
 251
 252         if (route) {
 253                 current_mixer_strip->set_route (route);
 254                 current_mixer_strip->set_width_enum (editor_mixer_strip_width, (void*) this);
 255         }
 256 }
 257
 258 void
 259 Editor::current_mixer_strip_hidden ()
 260 {
 261         Glib::RefPtr<Gtk::Action> act = ActionManager::get_action (X_("Editor"), X_("show-editor-mixer"));
 262         if (act) {
 263                 Glib::RefPtr<Gtk::ToggleAction> tact = Glib::RefPtr<Gtk::ToggleAction>::cast_dynamic(act);
 264                 tact->set_active (false);
 265         }
 266 }
 267
 268 void
 269 Editor::maybe_add_mixer_strip_width (XMLNode& node)
 270 {
 271         if (current_mixer_strip) {
 272                 node.add_property ("mixer-width", enum_2_string (editor_mixer_strip_width));
 273         }
 274 }
 275
 276 void
 277 Editor::mixer_strip_width_changed ()
 278 {
 279 #ifdef GTKOSX
 280         ensure_all_elements_drawn ();
 281 #endif
 282
 283         editor_mixer_strip_width = current_mixer_strip->get_width_enum ();
 284 }
 285
 286 void
 287 Editor::track_mixer_selection ()
 288 {
 289         Mixer_UI::instance()->selection().RoutesChanged.connect (sigc::mem_fun (*this, &Editor::follow_mixer_selection));
 290 }
 291
 292 void
 293 Editor::follow_mixer_selection ()
 294 {
 295         if (!ARDOUR::Config->get_link_editor_and_mixer_selection() || _following_mixer_selection) {
 296                 return;
 297         }
 298
 299         _following_mixer_selection = true;
 300         selection->block_tracks_changed (true);
 301
 302         RouteUISelection& s (Mixer_UI::instance()->selection().routes);
 303
 304         selection->clear_tracks ();
 305
 306         for (RouteUISelection::iterator i = s.begin(); i != s.end(); ++i) {
 307                 TimeAxisView* tav = get_route_view_by_route_id ((*i)->route()->id());
 308                 if (tav) {
 309                         selection->add (tav);
 310                 }
 311         }
 312
 313         _following_mixer_selection = false;
 314         selection->block_tracks_changed (false);
 315         selection->TracksChanged (); /* EMIT SIGNAL */
 316 }