channel.py

   1 # This file is part of jack_mixer
   2 #
   3 # Copyright (C) 2006 Nedko Arnaudov <nedko@arnaudov.name>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; version 2 of the License
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  17
  18 import gtk
  19 import gobject
  20 import slider
  21 import meter
  22 import abspeak
  23 from serialization import SerializedObject
  24
  25 try:
  26     import phat
  27 except:
  28     phat = None
  29
  30
  31 class Channel(gtk.VBox, SerializedObject):
  32     '''Widget with slider and meter used as base class for more specific
  33        channel widgets'''
  34     monitor_button = None
  35
  36     def __init__(self, app, name, stereo):
  37         gtk.VBox.__init__(self)
  38         self.app = app
  39         self.mixer = app.mixer
  40         self.gui_factory = app.gui_factory
  41         self._channel_name = name
  42         self.stereo = stereo
  43         self.meter_scale = self.gui_factory.get_default_meter_scale()
  44         self.slider_scale = self.gui_factory.get_default_slider_scale()
  45         self.slider_adjustment = slider.AdjustmentdBFS(self.slider_scale, 0.0)
  46         self.balance_adjustment = gtk.Adjustment(0.0, -1.0, 1.0, 0.02)
  47         self.future_volume_midi_cc = None
  48         self.future_balance_midi_cc = None
  49
  50     def get_channel_name(self):
  51         return self._channel_name
  52
  53     label_name = None
  54     channel = None
  55     post_fader_output_channel = None
  56     def set_channel_name(self, name):
  57         self.app.on_channel_rename(self._channel_name, name);
  58         self._channel_name = name
  59         if self.label_name:
  60             self.label_name.set_text(name)
  61         if self.channel:
  62             self.channel.name = name
  63         if self.post_fader_output_channel:
  64             self.post_fader_output_channel.name = "%s Out" % name;
  65     channel_name = property(get_channel_name, set_channel_name)
  66
  67     def realize(self):
  68         #print "Realizing channel \"%s\"" % self.channel_name
  69
  70         self.slider_adjustment.connect("volume-changed", self.on_volume_changed)
  71         self.balance_adjustment.connect("value-changed", self.on_balance_changed)
  72
  73         self.slider = None
  74         self.create_slider_widget()
  75
  76         if self.stereo:
  77             self.meter = meter.StereoMeterWidget(self.meter_scale)
  78         else:
  79             self.meter = meter.MonoMeterWidget(self.meter_scale)
  80         self.on_vumeter_color_changed(self.gui_factory)
  81
  82         self.meter.set_events(gtk.gdk.SCROLL_MASK)
  83
  84         self.gui_factory.connect("default-meter-scale-changed", self.on_default_meter_scale_changed)
  85         self.gui_factory.connect("default-slider-scale-changed", self.on_default_slider_scale_changed)
  86         self.gui_factory.connect('vumeter-color-changed', self.on_vumeter_color_changed)
  87         self.gui_factory.connect('vumeter-color-scheme-changed', self.on_vumeter_color_changed)
  88         self.gui_factory.connect('use-custom-widgets-changed', self.on_custom_widgets_changed)
  89
  90         self.abspeak = abspeak.AbspeakWidget()
  91         self.abspeak.connect("reset", self.on_abspeak_reset)
  92         self.abspeak.connect("volume-adjust", self.on_abspeak_adjust)
  93
  94         self.volume_digits = gtk.Entry()
  95         self.volume_digits.connect("key-press-event", self.on_volume_digits_key_pressed)
  96         self.volume_digits.connect("focus-out-event", self.on_volume_digits_focus_out)
  97
  98         self.connect("key-press-event", self.on_key_pressed)
  99         self.connect("scroll-event", self.on_scroll)
 100
 101     def unrealize(self):
 102         #print "Unrealizing channel \"%s\"" % self.channel_name
 103         pass
 104
 105     def create_balance_widget(self):
 106         if self.gui_factory.use_custom_widgets and phat:
 107             self.balance = phat.HFanSlider()
 108             self.balance.set_default_value(0)
 109             self.balance.set_adjustment(self.balance_adjustment)
 110         else:
 111             self.balance = gtk.HScale(self.balance_adjustment)
 112             self.balance.set_draw_value(False)
 113         self.pack_start(self.balance, False)
 114         if self.monitor_button:
 115             self.reorder_child(self.monitor_button, -1)
 116         self.balance.show()
 117
 118     def create_slider_widget(self):
 119         parent = None
 120         if self.slider:
 121             parent = self.slider.get_parent()
 122             self.slider.destroy()
 123         if self.gui_factory.use_custom_widgets:
 124             self.slider = slider.CustomSliderWidget(self.slider_adjustment)
 125         else:
 126             self.slider = slider.GtkSlider(self.slider_adjustment)
 127         if parent:
 128             parent.pack_start(self.slider)
 129             parent.reorder_child(self.slider, 0)
 130         self.slider.show()
 131
 132     def on_default_meter_scale_changed(self, gui_factory, scale):
 133         #print "Default meter scale change detected."
 134         self.meter.set_scale(scale)
 135
 136     def on_default_slider_scale_changed(self, gui_factory, scale):
 137         #print "Default slider scale change detected."
 138         self.slider_scale = scale
 139         self.slider_adjustment.set_scale(scale)
 140         self.channel.midi_scale = self.slider_scale.scale
 141
 142     def on_vumeter_color_changed(self, gui_factory, *args):
 143         color = gui_factory.get_vumeter_color()
 144         color_scheme = gui_factory.get_vumeter_color_scheme()
 145         if color_scheme != 'solid':
 146             self.meter.set_color(None)
 147         else:
 148             self.meter.set_color(gtk.gdk.color_parse(color))
 149
 150     def on_custom_widgets_changed(self, gui_factory, value):
 151         self.balance.destroy()
 152         self.create_balance_widget()
 153         self.create_slider_widget()
 154
 155     def on_abspeak_adjust(self, abspeak, adjust):
 156         #print "abspeak adjust %f" % adjust
 157         self.slider_adjustment.set_value_db(self.slider_adjustment.get_value_db() + adjust)
 158         self.channel.abspeak = None
 159         #self.update_volume(False)   # We want to update gui even if actual decibels have not changed (scale wrap for example)
 160
 161     def on_abspeak_reset(self, abspeak):
 162         #print "abspeak reset"
 163         self.channel.abspeak = None
 164
 165     def on_volume_digits_key_pressed(self, widget, event):
 166         if (event.keyval == gtk.keysyms.Return or event.keyval == gtk.keysyms.KP_Enter):
 167             db_text = self.volume_digits.get_text()
 168             try:
 169                 db = float(db_text)
 170                 #print "Volume digits confirmation \"%f dBFS\"" % db
 171             except (ValueError), e:
 172                 #print "Volume digits confirmation ignore, reset to current"
 173                 self.update_volume(False)
 174                 return
 175             self.slider_adjustment.set_value_db(db)
 176             #self.grab_focus()
 177             #self.update_volume(False)   # We want to update gui even if actual decibels have not changed (scale wrap for example)
 178
 179     def on_volume_digits_focus_out(self, widget, event):
 180         #print "volume digits focus out detected"
 181         self.update_volume(False)
 182
 183     def read_meter(self):
 184         if not self.channel:
 185             return
 186         if self.stereo:
 187             meter_left, meter_right = self.channel.meter
 188             self.meter.set_values(meter_left, meter_right)
 189         else:
 190             self.meter.set_value(self.channel.meter[0])
 191
 192         self.abspeak.set_peak(self.channel.abspeak)
 193
 194     def on_scroll(self, widget, event):
 195         if event.direction == gtk.gdk.SCROLL_DOWN:
 196             self.slider_adjustment.step_down()
 197         elif event.direction == gtk.gdk.SCROLL_UP:
 198             self.slider_adjustment.step_up()
 199         return True
 200
 201     def update_volume(self, update_engine):
 202         db = self.slider_adjustment.get_value_db()
 203
 204         db_text = "%.2f" % db
 205         self.volume_digits.set_text(db_text)
 206
 207         if update_engine:
 208             self.channel.volume = db
 209             self.app.update_monitor(self)
 210
 211     def on_volume_changed(self, adjustment):
 212         self.update_volume(True)
 213
 214     def on_balance_changed(self, adjustment):
 215         balance = self.balance_adjustment.get_value()
 216         #print "%s balance: %f" % (self.channel_name, balance)
 217         self.channel.balance = balance
 218         self.app.update_monitor(self)
 219
 220     def on_key_pressed(self, widget, event):
 221         if (event.keyval == gtk.keysyms.Up):
 222             #print self.channel_name + " Up"
 223             self.slider_adjustment.step_up()
 224             return True
 225         elif (event.keyval == gtk.keysyms.Down):
 226             #print self.channel_name + " Down"
 227             self.slider_adjustment.step_down()
 228             return True
 229
 230         return False
 231
 232     def serialize(self, object_backend):
 233         object_backend.add_property("volume", "%f" % self.slider_adjustment.get_value_db())
 234         object_backend.add_property("balance", "%f" % self.balance_adjustment.get_value())
 235
 236         if self.channel.volume_midi_cc:
 237             object_backend.add_property('volume_midi_cc', str(self.channel.volume_midi_cc))
 238         if self.channel.balance_midi_cc:
 239             object_backend.add_property('balance_midi_cc', str(self.channel.balance_midi_cc))
 240
 241     def unserialize_property(self, name, value):
 242         if name == "volume":
 243             self.slider_adjustment.set_value_db(float(value))
 244             return True
 245         if name == "balance":
 246             self.balance_adjustment.set_value(float(value))
 247             return True
 248         if name == 'volume_midi_cc':
 249             self.future_volume_midi_cc = int(value)
 250             return True
 251         if name == 'balance_midi_cc':
 252             self.future_balance_midi_cc = int(value)
 253             return True
 254         return False
 255
 256     def midi_events_check(self):
 257         if self.channel.midi_in_got_events:
 258             self.slider_adjustment.set_value_db(self.channel.volume)
 259             self.balance_adjustment.set_value(self.channel.balance)
 260
 261     def on_midi_event_received(self, *args):
 262         self.slider_adjustment.set_value_db(self.channel.volume)
 263         self.balance_adjustment.set_value(self.channel.balance)
 264
 265     def on_monitor_button_toggled(self, button):
 266         if not button.get_active():
 267             self.app.main_mix.monitor_button.set_active(True)
 268         else:
 269             for channel in self.app.channels + self.app.output_channels + [self.app.main_mix]:
 270                 if channel.monitor_button.get_active() and channel.monitor_button is not button:
 271                     channel.monitor_button.handler_block_by_func(
 272                                 channel.on_monitor_button_toggled)
 273                     channel.monitor_button.set_active(False)
 274                     channel.monitor_button.handler_unblock_by_func(
 275                                 channel.on_monitor_button_toggled)
 276             self.app.set_monitored_channel(self)
 277
 278     def set_monitored(self):
 279         if self.channel:
 280             self.app.set_monitored_channel(self)
 281         self.monitor_button.set_active(True)
 282
 283 class InputChannel(Channel):
 284     post_fader_output_channel = None
 285
 286     def __init__(self, app, name, stereo):
 287         Channel.__init__(self, app, name, stereo)
 288
 289     def realize(self):
 290         self.channel = self.mixer.add_channel(self.channel_name, self.stereo)
 291         if self.channel == None:
 292             raise Exception,"Cannot create a channel"
 293         Channel.realize(self)
 294         if self.future_volume_midi_cc:
 295             self.channel.volume_midi_cc = self.future_volume_midi_cc
 296         if self.future_balance_midi_cc:
 297             self.channel.balance_midi_cc = self.future_balance_midi_cc
 298         self.channel.midi_scale = self.slider_scale.scale
 299
 300         self.on_volume_changed(self.slider_adjustment)
 301         self.on_balance_changed(self.balance_adjustment)
 302
 303         # vbox child at upper part
 304         self.vbox = gtk.VBox()
 305         self.pack_start(self.vbox, False)
 306         self.label_name = gtk.Label()
 307         self.label_name.set_text(self.channel_name)
 308         self.label_name.set_size_request(0, -1)
 309         self.label_name_event_box = gtk.EventBox()
 310         self.label_name_event_box.connect("button-press-event", self.on_label_mouse)
 311         self.label_name_event_box.add(self.label_name)
 312         self.vbox.pack_start(self.label_name_event_box, True)
 313 #         self.label_stereo = gtk.Label()
 314 #         if self.stereo:
 315 #             self.label_stereo.set_text("stereo")
 316 #         else:
 317 #             self.label_stereo.set_text("mono")
 318 #         self.label_stereo.set_size_request(0, -1)
 319 #         self.vbox.pack_start(self.label_stereo, True)
 320
 321         # hbox for mute and solo buttons
 322         self.hbox_mutesolo = gtk.HBox()
 323
 324         self.mute = gtk.ToggleButton()
 325         self.mute.set_label("M")
 326         self.mute.set_active(self.channel.mute)
 327         self.mute.connect("button-press-event", self.on_mute_button_pressed)
 328         self.mute.connect("toggled", self.on_mute_toggled)
 329         self.hbox_mutesolo.pack_start(self.mute, True)
 330
 331         self.solo = gtk.ToggleButton()
 332         self.solo.set_label("S")
 333         self.solo.set_active(self.channel.solo)
 334         self.solo.connect("button-press-event", self.on_solo_button_pressed)
 335         self.solo.connect("toggled", self.on_solo_toggled)
 336         self.hbox_mutesolo.pack_start(self.solo, True)
 337
 338         self.vbox.pack_start(self.hbox_mutesolo, False)
 339
 340         frame = gtk.Frame()
 341         frame.set_shadow_type(gtk.SHADOW_IN)
 342         frame.add(self.abspeak);
 343         self.pack_start(frame, False)
 344
 345         # hbox child at lower part
 346         self.hbox = gtk.HBox()
 347         self.hbox.pack_start(self.slider, True)
 348         frame = gtk.Frame()
 349         frame.set_shadow_type(gtk.SHADOW_IN)
 350         frame.add(self.meter);
 351         self.hbox.pack_start(frame, True)
 352         frame = gtk.Frame()
 353         frame.set_shadow_type(gtk.SHADOW_IN)
 354         frame.add(self.hbox);
 355         self.pack_start(frame, True)
 356
 357         self.volume_digits.set_size_request(0, -1)
 358         self.pack_start(self.volume_digits, False)
 359
 360         self.create_balance_widget()
 361
 362         self.monitor_button = gtk.ToggleButton('MON')
 363         self.monitor_button.connect('toggled', self.on_monitor_button_toggled)
 364         self.pack_start(self.monitor_button, False, False)
 365
 366     def add_control_group(self, channel):
 367         control_group = ControlGroup(channel, self)
 368         control_group.show_all()
 369         self.vbox.pack_start(control_group, False)
 370         return control_group
 371
 372     def remove_control_group(self, channel):
 373         ctlgroup = self.get_control_group(channel)
 374         self.vbox.remove(ctlgroup)
 375
 376     def update_control_group(self, channel):
 377         for control_group in self.vbox.get_children():
 378             if isinstance(control_group, ControlGroup):
 379                 if control_group.output_channel is channel:
 380                     control_group.update()
 381
 382     def get_control_group(self, channel):
 383         for control_group in self.vbox.get_children():
 384             if isinstance(control_group, ControlGroup):
 385                 if control_group.output_channel is channel:
 386                     return control_group
 387         return None
 388
 389     def unrealize(self):
 390         Channel.unrealize(self)
 391         if self.post_fader_output_channel:
 392             self.post_fader_output_channel.remove()
 393             self.post_fader_output_channel = None
 394         self.channel.remove()
 395         self.channel = None
 396
 397     channel_properties_dialog = None
 398     def on_channel_properties(self):
 399         if not self.channel_properties_dialog:
 400             self.channel_properties_dialog = ChannelPropertiesDialog(self, self.app)
 401         self.channel_properties_dialog.show()
 402         self.channel_properties_dialog.present()
 403
 404     def on_label_mouse(self, widget, event):
 405         if event.type == gtk.gdk._2BUTTON_PRESS:
 406             if event.button == 1:
 407                 self.on_channel_properties()
 408
 409     def on_mute_toggled(self, button):
 410         self.channel.mute = self.mute.get_active()
 411         self.app.update_monitor(self.app.main_mix)
 412
 413     def on_mute_button_pressed(self, button, event, *args):
 414         if event.button == 3:
 415             # right click on the mute button, act on all output channels
 416             if button.get_active(): # was muted
 417                 button.set_active(False)
 418                 if hasattr(button, 'touched_channels'):
 419                     touched_channels = button.touched_channels
 420                     for chan in touched_channels:
 421                         ctlgroup = self.get_control_group(chan)
 422                         ctlgroup.mute.set_active(False)
 423                     del button.touched_channels
 424             else: # was not muted
 425                 button.set_active(True)
 426                 touched_channels = []
 427                 for chan in self.app.output_channels:
 428                     ctlgroup = self.get_control_group(chan)
 429                     if not ctlgroup.mute.get_active():
 430                         ctlgroup.mute.set_active(True)
 431                         touched_channels.append(chan)
 432                 button.touched_channels = touched_channels
 433             return True
 434         return False
 435
 436     def on_solo_toggled(self, button):
 437         self.channel.solo = self.solo.get_active()
 438         self.app.update_monitor(self.app.main_mix)
 439
 440     def on_solo_button_pressed(self, button, event, *args):
 441         if event.button == 3:
 442             # right click on the solo button, act on all output channels
 443             if button.get_active(): # was soloed
 444                 button.set_active(False)
 445                 if hasattr(button, 'touched_channels'):
 446                     touched_channels = button.touched_channels
 447                     for chan in touched_channels:
 448                         ctlgroup = self.get_control_group(chan)
 449                         ctlgroup.solo.set_active(False)
 450                     del button.touched_channels
 451             else: # was not soloed
 452                 button.set_active(True)
 453                 touched_channels = []
 454                 for chan in self.app.output_channels:
 455                     ctlgroup = self.get_control_group(chan)
 456                     if not ctlgroup.solo.get_active():
 457                         ctlgroup.solo.set_active(True)
 458                         touched_channels.append(chan)
 459                 button.touched_channels = touched_channels
 460             return True
 461         return False
 462
 463     @classmethod
 464     def serialization_name(cls):
 465         return 'input_channel'
 466
 467     def serialize(self, object_backend):
 468         object_backend.add_property("name", self.channel_name)
 469         if self.stereo:
 470             object_backend.add_property("type", "stereo")
 471         else:
 472             object_backend.add_property("type", "mono")
 473         Channel.serialize(self, object_backend)
 474
 475     def unserialize_property(self, name, value):
 476         if name == "name":
 477             self.channel_name = str(value)
 478             return True
 479         if name == "type":
 480             if value == "stereo":
 481                 self.stereo = True
 482                 return True
 483             if value == "mono":
 484                 self.stereo = False
 485                 return True
 486         return Channel.unserialize_property(self, name, value)
 487
 488
 489 available_colours = [
 490     ('#ef2929', '#cc0000', '#840000'),
 491     ('#729fcf', '#3465a4', '#204a67'),
 492     ('#8aa234', '#73d216', '#4e7a06'),
 493     ('#fce84f', '#edd400', '#c48000'),
 494     ('#fcaf3e', '#f57900', '#ae5c00'),
 495     ('#ad7fa8', '#75507b', '#4c3556'),
 496     ('#e9b96e', '#c17d11', '#6f4902'),
 497 ]
 498
 499 class OutputChannel(Channel):
 500     colours = available_colours[:]
 501     _display_solo_buttons = False
 502
 503     _init_muted_channels = None
 504     _init_solo_channels = None
 505
 506     def __init__(self, app, name, stereo):
 507         Channel.__init__(self, app, name, stereo)
 508
 509     def get_display_solo_buttons(self):
 510         return self._display_solo_buttons
 511
 512     def set_display_solo_buttons(self, value):
 513         self._display_solo_buttons = value
 514         # notifying control groups
 515         for inputchannel in self.app.channels:
 516             inputchannel.update_control_group(self)
 517
 518     display_solo_buttons = property(get_display_solo_buttons, set_display_solo_buttons)
 519
 520     def realize(self):
 521         Channel.realize(self)
 522         self.channel = self.mixer.add_output_channel(self.channel_name, self.stereo)
 523         if self.channel == None:
 524             raise Exception,"Cannot create a channel"
 525         Channel.realize(self)
 526
 527         self.channel.midi_scale = self.slider_scale.scale
 528
 529         self.on_volume_changed(self.slider_adjustment)
 530         self.on_balance_changed(self.balance_adjustment)
 531
 532         # vbox child at upper part
 533         self.vbox = gtk.VBox()
 534         self.pack_start(self.vbox, False)
 535         self.label_name = gtk.Label()
 536         self.label_name.set_text(self.channel_name)
 537         self.label_name.set_size_request(0, -1)
 538         self.label_name_event_box = gtk.EventBox()
 539         self.label_name_event_box.connect('button-press-event', self.on_label_mouse)
 540         self.label_name_event_box.add(self.label_name)
 541         if not self.colours:
 542             OutputChannel.colours = available_colours[:]
 543         for color in self.colours:
 544             self.color_tuple = [gtk.gdk.color_parse(color[x]) for x in range(3)]
 545             self.colours.remove(color)
 546             break
 547         self.label_name_event_box.modify_bg(gtk.STATE_NORMAL, self.color_tuple[1])
 548         self.vbox.pack_start(self.label_name_event_box, True)
 549         frame = gtk.Frame()
 550         frame.set_shadow_type(gtk.SHADOW_IN)
 551         frame.add(self.abspeak);
 552         self.vbox.pack_start(frame, False)
 553
 554         # hbox child at lower part
 555         self.hbox = gtk.HBox()
 556         self.hbox.pack_start(self.slider, True)
 557         frame = gtk.Frame()
 558         frame.set_shadow_type(gtk.SHADOW_IN)
 559         frame.add(self.meter);
 560         self.hbox.pack_start(frame, True)
 561         frame = gtk.Frame()
 562         frame.set_shadow_type(gtk.SHADOW_IN)
 563         frame.add(self.hbox);
 564         self.pack_start(frame, True)
 565
 566         self.volume_digits.set_size_request(0, -1)
 567         self.pack_start(self.volume_digits, False)
 568
 569         self.create_balance_widget()
 570
 571         self.monitor_button = gtk.ToggleButton('MON')
 572         self.monitor_button.connect('toggled', self.on_monitor_button_toggled)
 573         self.pack_start(self.monitor_button, False, False)
 574
 575         # add control groups to the input channels, and initialize them
 576         # appropriately
 577         for input_channel in self.app.channels:
 578             ctlgroup = input_channel.add_control_group(self)
 579             if self._init_muted_channels and input_channel.channel.name in self._init_muted_channels:
 580                 ctlgroup.mute.set_active(True)
 581             if self._init_solo_channels and input_channel.channel.name in self._init_solo_channels:
 582                 ctlgroup.solo.set_active(True)
 583         self._init_muted_channels = None
 584         self._init_solo_channels = None
 585
 586     channel_properties_dialog = None
 587     def on_channel_properties(self):
 588         if not self.channel_properties_dialog:
 589             self.channel_properties_dialog = OutputChannelPropertiesDialog(self, self.app)
 590         self.channel_properties_dialog.show()
 591         self.channel_properties_dialog.present()
 592
 593     def on_label_mouse(self, widget, event):
 594         if event.type == gtk.gdk._2BUTTON_PRESS:
 595             if event.button == 1:
 596                 self.on_channel_properties()
 597
 598     def unrealize(self):
 599         # remove control groups from input channels
 600         for input_channel in self.app.channels:
 601             input_channel.remove_control_group(self)
 602         # then remove itself
 603         Channel.unrealize(self)
 604         self.channel.remove()
 605         self.channel = None
 606
 607     @classmethod
 608     def serialization_name(cls):
 609         return 'output_channel'
 610
 611     def serialize(self, object_backend):
 612         object_backend.add_property("name", self.channel_name)
 613         if self.stereo:
 614             object_backend.add_property("type", "stereo")
 615         else:
 616             object_backend.add_property("type", "mono")
 617         if self.display_solo_buttons:
 618             object_backend.add_property("solo_buttons", "true")
 619         muted_channels = []
 620         solo_channels = []
 621         for input_channel in self.app.channels:
 622             if self.channel.is_muted(input_channel.channel):
 623                 muted_channels.append(input_channel)
 624             if self.channel.is_solo(input_channel.channel):
 625                 solo_channels.append(input_channel)
 626         if muted_channels:
 627             object_backend.add_property('muted_channels', '|'.join([x.channel.name for x in muted_channels]))
 628         if solo_channels:
 629             object_backend.add_property('solo_channels', '|'.join([x.channel.name for x in solo_channels]))
 630         Channel.serialize(self, object_backend)
 631
 632     def unserialize_property(self, name, value):
 633         if name == "name":
 634             self.channel_name = str(value)
 635             return True
 636         if name == "type":
 637             if value == "stereo":
 638                 self.stereo = True
 639                 return True
 640             if value == "mono":
 641                 self.stereo = False
 642                 return True
 643         if name == "solo_buttons":
 644             if value == "true":
 645                 self.display_solo_buttons = True
 646                 return True
 647         if name == 'muted_channels':
 648             self._init_muted_channels = value.split('|')
 649             return True
 650         if name == 'solo_channels':
 651             self._init_solo_channels = value.split('|')
 652             return True
 653         return Channel.unserialize_property(self, name, value)
 654
 655 class MainMixChannel(Channel):
 656     _init_muted_channels = None
 657     _init_solo_channels = None
 658
 659     def __init__(self, app):
 660         Channel.__init__(self, app, "MAIN", True)
 661
 662     def realize(self):
 663         Channel.realize(self)
 664         self.channel = self.mixer.main_mix_channel
 665         self.channel.midi_scale = self.slider_scale.scale
 666
 667         self.on_volume_changed(self.slider_adjustment)
 668         self.on_balance_changed(self.balance_adjustment)
 669
 670         # vbox child at upper part
 671         self.vbox = gtk.VBox()
 672         self.pack_start(self.vbox, False)
 673         self.label_name = gtk.Label()
 674         self.label_name.set_text(self.channel_name)
 675         self.label_name.set_size_request(0, -1)
 676         self.vbox.pack_start(self.label_name, False)
 677         frame = gtk.Frame()
 678         frame.set_shadow_type(gtk.SHADOW_IN)
 679         frame.add(self.abspeak);
 680         self.vbox.pack_start(frame, False)
 681
 682         # hbox child at lower part
 683         self.hbox = gtk.HBox()
 684         self.hbox.pack_start(self.slider, True)
 685         frame = gtk.Frame()
 686         frame.set_shadow_type(gtk.SHADOW_IN)
 687         frame.add(self.meter);
 688         self.hbox.pack_start(frame, True)
 689         frame = gtk.Frame()
 690         frame.set_shadow_type(gtk.SHADOW_IN)
 691         frame.add(self.hbox);
 692         self.pack_start(frame, True)
 693
 694         self.volume_digits.set_size_request(0, -1)
 695         self.pack_start(self.volume_digits, False)
 696
 697         self.create_balance_widget()
 698
 699         self.monitor_button = gtk.ToggleButton('MON')
 700         self.monitor_button.connect('toggled', self.on_monitor_button_toggled)
 701         self.pack_start(self.monitor_button, False, False)
 702
 703         for input_channel in self.app.channels:
 704             if self._init_muted_channels and input_channel.channel.name in self._init_muted_channels:
 705                 input_channel.mute.set_active(True)
 706             if self._init_solo_channels and input_channel.channel.name in self._init_solo_channels:
 707                 input_channel.solo.set_active(True)
 708         self._init_muted_channels = None
 709         self._init_solo_channels = None
 710
 711     def unrealize(self):
 712         Channel.unrealize(self)
 713         self.channel = False
 714
 715     @classmethod
 716     def serialization_name(cls):
 717         return 'main_mix_channel'
 718
 719     def serialize(self, object_backend):
 720         muted_channels = []
 721         solo_channels = []
 722         for input_channel in self.app.channels:
 723             if input_channel.channel.mute:
 724                 muted_channels.append(input_channel)
 725             if input_channel.channel.solo:
 726                 solo_channels.append(input_channel)
 727         if muted_channels:
 728             object_backend.add_property('muted_channels', '|'.join([x.channel.name for x in muted_channels]))
 729         if solo_channels:
 730             object_backend.add_property('solo_channels', '|'.join([x.channel.name for x in solo_channels]))
 731         Channel.serialize(self, object_backend)
 732
 733     def unserialize_property(self, name, value):
 734         if name == 'muted_channels':
 735             self._init_muted_channels = value.split('|')
 736             return True
 737         if name == 'solo_channels':
 738             self._init_solo_channels = value.split('|')
 739             return True
 740         return Channel.unserialize_property(self, name, value)
 741
 742
 743 class ChannelPropertiesDialog(gtk.Dialog):
 744     channel = None
 745
 746     def __init__(self, parent, app):
 747         self.channel = parent
 748         self.app = app
 749         self.mixer = self.channel.mixer
 750         gtk.Dialog.__init__(self,
 751                         'Channel "%s" Properties' % self.channel.channel_name,
 752                         self.channel.gui_factory.topwindow)
 753
 754         self.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
 755         self.ok_button = self.add_button(gtk.STOCK_APPLY, gtk.RESPONSE_APPLY)
 756         self.set_default_response(gtk.RESPONSE_APPLY);
 757
 758         self.create_ui()
 759         self.fill_ui()
 760
 761         self.connect('response', self.on_response_cb)
 762         self.connect('delete-event', self.on_response_cb)
 763
 764     def create_frame(self, label, child):
 765         frame = gtk.Frame('')
 766         frame.set_border_width(3)
 767         #frame.set_shadow_type(gtk.SHADOW_NONE)
 768         frame.get_label_widget().set_markup('<b>%s</b>' % label)
 769
 770         alignment = gtk.Alignment(0, 0, 1, 1)
 771         alignment.set_padding(0, 0, 12, 0)
 772         frame.add(alignment)
 773         alignment.add(child)
 774
 775         return frame
 776
 777     def create_ui(self):
 778         vbox = gtk.VBox()
 779         self.vbox.add(vbox)
 780
 781         table = gtk.Table(2, 2, False)
 782         vbox.pack_start(self.create_frame('Properties', table))
 783         table.set_row_spacings(5)
 784         table.set_col_spacings(5)
 785
 786         table.attach(gtk.Label('Name'), 0, 1, 0, 1)
 787         self.entry_name = gtk.Entry()
 788         self.entry_name.set_activates_default(True)
 789         self.entry_name.connect('changed', self.on_entry_name_changed)
 790         table.attach(self.entry_name, 1, 2, 0, 1)
 791
 792         table.attach(gtk.Label('Mode'), 0, 1, 1, 2)
 793         self.mode_hbox = gtk.HBox()
 794         table.attach(self.mode_hbox, 1, 2, 1, 2)
 795         self.mono = gtk.RadioButton(label='Mono')
 796         self.stereo = gtk.RadioButton(label='Stereo', group=self.mono)
 797         self.mode_hbox.pack_start(self.mono)
 798         self.mode_hbox.pack_start(self.stereo)
 799
 800         table = gtk.Table(2, 3, False)
 801         vbox.pack_start(self.create_frame('MIDI Control Channels', table))
 802         table.set_row_spacings(5)
 803         table.set_col_spacings(5)
 804
 805         table.attach(gtk.Label('Volume'), 0, 1, 0, 1)
 806         self.entry_volume_cc = gtk.Entry()
 807         self.entry_volume_cc.set_activates_default(True)
 808         self.entry_volume_cc.set_editable(False)
 809         self.entry_volume_cc.set_width_chars(3)
 810         table.attach(self.entry_volume_cc, 1, 2, 0, 1)
 811         self.button_sense_midi_volume = gtk.Button('Autoset')
 812         self.button_sense_midi_volume.connect('clicked',
 813                         self.on_sense_midi_volume_clicked)
 814         table.attach(self.button_sense_midi_volume, 2, 3, 0, 1)
 815
 816         table.attach(gtk.Label('Balance'), 0, 1, 1, 2)
 817         self.entry_balance_cc = gtk.Entry()
 818         self.entry_balance_cc.set_activates_default(True)
 819         self.entry_balance_cc.set_width_chars(3)
 820         self.entry_balance_cc.set_editable(False)
 821         table.attach(self.entry_balance_cc, 1, 2, 1, 2)
 822         self.button_sense_midi_balance = gtk.Button('Autoset')
 823         self.button_sense_midi_balance.connect('clicked',
 824                         self.on_sense_midi_balance_clicked)
 825         table.attach(self.button_sense_midi_balance, 2, 3, 1, 2)
 826
 827         self.vbox.show_all()
 828
 829     def fill_ui(self):
 830         self.entry_name.set_text(self.channel.channel_name)
 831         if self.channel.channel.is_stereo:
 832             self.stereo.set_active(True)
 833         else:
 834             self.mono.set_active(True)
 835         self.mode_hbox.set_sensitive(False)
 836         self.entry_volume_cc.set_text('%s' % self.channel.channel.volume_midi_cc)
 837         self.entry_balance_cc.set_text('%s' % self.channel.channel.balance_midi_cc)
 838
 839     def sense_popup_dialog(self, entry):
 840         window = gtk.Window(gtk.WINDOW_TOPLEVEL)
 841         window.set_destroy_with_parent(True)
 842         window.set_transient_for(self)
 843         window.set_decorated(False)
 844         window.set_modal(True)
 845         window.set_position(gtk.WIN_POS_CENTER_ON_PARENT)
 846         window.set_border_width(10)
 847
 848         vbox = gtk.VBox(10)
 849         window.add(vbox)
 850         window.timeout = 5
 851         vbox.pack_start(gtk.Label('Please move the MIDI control you want to use for this function.'))
 852         timeout_label = gtk.Label('This window will close in 5 seconds')
 853         vbox.pack_start(timeout_label)
 854         def close_sense_timeout(window, entry):
 855             window.timeout -= 1
 856             timeout_label.set_text('This window will close in %d seconds.' % window.timeout)
 857             if window.timeout == 0:
 858                 window.destroy()
 859                 entry.set_text('%s' % self.mixer.last_midi_channel)
 860                 return False
 861             return True
 862         window.show_all()
 863         gobject.timeout_add_seconds(1, close_sense_timeout, window, entry)
 864
 865     def on_sense_midi_volume_clicked(self, *args):
 866         self.sense_popup_dialog(self.entry_volume_cc)
 867
 868     def on_sense_midi_balance_clicked(self, *args):
 869         self.sense_popup_dialog(self.entry_balance_cc)
 870
 871     def on_response_cb(self, dlg, response_id, *args):
 872         self.channel.channel_properties_dialog = None
 873         name = self.entry_name.get_text()
 874         if response_id == gtk.RESPONSE_APPLY:
 875             self.channel.channel_name = name
 876             try:
 877                 self.channel.channel.volume_midi_cc = int(self.entry_volume_cc.get_text())
 878             except ValueError:
 879                 pass
 880             try:
 881                 self.channel.channel.balance_midi_cc = int(self.entry_balance_cc.get_text())
 882             except ValueError:
 883                 pass
 884         self.destroy()
 885
 886     def on_entry_name_changed(self, entry):
 887         sensitive = False
 888         if len(entry.get_text()):
 889             if self.channel and self.channel.channel.name == entry.get_text():
 890                 sensitive = True
 891             elif entry.get_text() not in [x.channel.name for x in self.app.channels] + \
 892                         [x.channel.name for x in self.app.output_channels] + ['MAIN']:
 893                 sensitive = True
 894         self.ok_button.set_sensitive(sensitive)
 895
 896
 897 class NewChannelDialog(ChannelPropertiesDialog):
 898     def __init__(self, app):
 899         gtk.Dialog.__init__(self, 'New Channel', app.window)
 900         self.mixer = app.mixer
 901         self.app = app
 902         self.create_ui()
 903
 904         self.stereo.set_active(True) # default to stereo
 905
 906         self.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
 907         self.ok_button = self.add_button(gtk.STOCK_ADD, gtk.RESPONSE_OK)
 908         self.ok_button.set_sensitive(False)
 909         self.set_default_response(gtk.RESPONSE_OK);
 910
 911     def get_result(self):
 912         return {'name': self.entry_name.get_text(),
 913                 'stereo': self.stereo.get_active(),
 914                 'volume_cc': self.entry_volume_cc.get_text(),
 915                 'balance_cc': self.entry_balance_cc.get_text()
 916                }
 917
 918 class OutputChannelPropertiesDialog(ChannelPropertiesDialog):
 919     def create_ui(self):
 920         ChannelPropertiesDialog.create_ui(self)
 921
 922         vbox = gtk.VBox()
 923         self.vbox.pack_start(self.create_frame('Input Channels', vbox))
 924
 925         self.display_solo_buttons = gtk.CheckButton('Display solo buttons')
 926         vbox.pack_start(self.display_solo_buttons)
 927
 928         self.vbox.show_all()
 929
 930     def fill_ui(self):
 931         ChannelPropertiesDialog.fill_ui(self)
 932         self.display_solo_buttons.set_active(self.channel.display_solo_buttons)
 933
 934     def on_response_cb(self, dlg, response_id, *args):
 935         if response_id == gtk.RESPONSE_APPLY:
 936             self.channel.display_solo_buttons = self.display_solo_buttons.get_active()
 937         ChannelPropertiesDialog.on_response_cb(self, dlg, response_id, *args)
 938
 939
 940 class NewOutputChannelDialog(OutputChannelPropertiesDialog):
 941     def __init__(self, app):
 942         gtk.Dialog.__init__(self, 'New Output Channel', app.window)
 943         self.mixer = app.mixer
 944         self.app = app
 945         self.create_ui()
 946
 947         # TODO: disable mode for output channels as mono output channels may
 948         # not be correctly handled yet.
 949         self.mode_hbox.set_sensitive(False)
 950         self.stereo.set_active(True) # default to stereo
 951
 952         self.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
 953         self.ok_button = self.add_button(gtk.STOCK_ADD, gtk.RESPONSE_OK)
 954         self.ok_button.set_sensitive(False)
 955         self.set_default_response(gtk.RESPONSE_OK);
 956
 957     def get_result(self):
 958         return {'name': self.entry_name.get_text(),
 959                 'stereo': self.stereo.get_active(),
 960                 'volume_cc': self.entry_volume_cc.get_text(),
 961                 'balance_cc': self.entry_balance_cc.get_text(),
 962                 'display_solo_buttons': self.display_solo_buttons.get_active(),
 963                }
 964
 965
 966 class ControlGroup(gtk.Alignment):
 967     def __init__(self, output_channel, input_channel):
 968         gtk.Alignment.__init__(self, 0.5, 0.5, 0, 0)
 969         self.output_channel = output_channel
 970         self.input_channel = input_channel
 971         self.app = input_channel.app
 972
 973         hbox = gtk.HBox()
 974         self.hbox = hbox
 975         self.add(hbox)
 976
 977         mute = gtk.ToggleButton()
 978         self.mute = mute
 979         mute.set_label("M")
 980         mute.connect("toggled", self.on_mute_toggled)
 981         hbox.pack_start(mute, False)
 982
 983         solo = gtk.ToggleButton()
 984         self.solo = solo
 985         solo.set_label("S")
 986         solo.connect("toggled", self.on_solo_toggled)
 987         if self.output_channel.display_solo_buttons:
 988             hbox.pack_start(solo, True)
 989
 990         mute.modify_bg(gtk.STATE_PRELIGHT, output_channel.color_tuple[0])
 991         mute.modify_bg(gtk.STATE_NORMAL, output_channel.color_tuple[1])
 992         mute.modify_bg(gtk.STATE_ACTIVE, output_channel.color_tuple[2])
 993         solo.modify_bg(gtk.STATE_PRELIGHT, output_channel.color_tuple[0])
 994         solo.modify_bg(gtk.STATE_NORMAL, output_channel.color_tuple[1])
 995         solo.modify_bg(gtk.STATE_ACTIVE, output_channel.color_tuple[2])
 996
 997     def update(self):
 998         if self.output_channel.display_solo_buttons:
 999             if not self.solo in self.hbox.get_children():
1000                 self.hbox.pack_start(self.solo, True)
1001                 self.solo.show()
1002         else:
1003             if self.solo in self.hbox.get_children():
1004                 self.hbox.remove(self.solo)
1005
1006     def on_mute_toggled(self, button):
1007         self.output_channel.channel.set_muted(self.input_channel.channel, button.get_active())
1008         self.app.update_monitor(self)
1009
1010     def on_solo_toggled(self, button):
1011         self.output_channel.channel.set_solo(self.input_channel.channel, button.get_active())
1012         self.app.update_monitor(self)
1013