channel.py

   1 #!/usr/bin/env python
   2 #
   3 # This file is part of jack_mixer
   4 #
   5 # Copyright (C) 2006 Nedko Arnaudov <nedko@arnaudov.name>
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; version 2 of the License
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19
  20 import gtk
  21 import gobject
  22 import glib
  23 import scale
  24 import slider
  25 import meter
  26 import abspeak
  27 import math
  28 import random
  29 from serialization import serialized_object
  30
  31 try:
  32     import phat
  33 except:
  34     print "PHAT audio widgets not found, some features will not be available"
  35     phat = None
  36
  37 import fpconst
  38
  39 class channel(gtk.VBox, serialized_object):
  40     '''Widget with slider and meter used as base class for more specific channel widgets'''
  41     def __init__(self, app, name, stereo):
  42         gtk.VBox.__init__(self)
  43         self.app = app
  44         self.mixer = app.mixer
  45         self.gui_factory = app.gui_factory
  46         self._channel_name = name
  47         self.stereo = stereo
  48         self.meter_scale = self.gui_factory.get_default_meter_scale()
  49         self.slider_scale = self.gui_factory.get_default_slider_scale()
  50         self.slider_adjustment = slider.adjustment_dBFS(self.slider_scale, 0.0)
  51         self.balance_adjustment = gtk.Adjustment(0.0, -1.0, 1.0, 0.02)
  52         self.future_volume_midi_cc = None
  53         self.future_balance_midi_cc = None
  54
  55     def get_channel_name(self):
  56         return self._channel_name
  57
  58     label_name = None
  59     channel = None
  60     def set_channel_name(self, name):
  61         self._channel_name = name
  62         if self.label_name:
  63             self.label_name.set_text(name)
  64         if self.channel:
  65             self.channel.name = name
  66     channel_name = property(get_channel_name, set_channel_name)
  67
  68     def realize(self):
  69         #print "Realizing channel \"%s\"" % self.channel_name
  70
  71         self.slider_adjustment.connect("volume-changed", self.on_volume_changed)
  72         self.balance_adjustment.connect("value-changed", self.on_balance_changed)
  73         self.connect('midi-event-received', self.on_midi_event_received)
  74
  75         self.slider = None
  76         self.create_slider_widget()
  77
  78         if self.stereo:
  79             self.meter = meter.stereo(self.meter_scale)
  80         else:
  81             self.meter = meter.mono(self.meter_scale)
  82         self.on_vumeter_color_changed(self.gui_factory)
  83
  84         self.meter.set_events(gtk.gdk.SCROLL_MASK)
  85
  86         self.gui_factory.connect("default-meter-scale-changed", self.on_default_meter_scale_changed)
  87         self.gui_factory.connect("default-slider-scale-changed", self.on_default_slider_scale_changed)
  88         self.gui_factory.connect('vumeter-color-changed', self.on_vumeter_color_changed)
  89         self.gui_factory.connect('vumeter-color-scheme-changed', self.on_vumeter_color_changed)
  90         self.gui_factory.connect('use-custom-widgets-changed', self.on_custom_widgets_changed)
  91
  92         self.abspeak = abspeak.widget()
  93         self.abspeak.connect("reset", self.on_abspeak_reset)
  94         self.abspeak.connect("volume-adjust", self.on_abspeak_adjust)
  95
  96         self.volume_digits = gtk.Entry()
  97         self.volume_digits.connect("key-press-event", self.on_volume_digits_key_pressed)
  98         self.volume_digits.connect("focus-out-event", self.on_volume_digits_focus_out)
  99
 100         self.connect("key-press-event", self.on_key_pressed)
 101         self.connect("scroll-event", self.on_scroll)
 102
 103     def unrealize(self):
 104         #print "Unrealizing channel \"%s\"" % self.channel_name
 105         pass
 106
 107     def create_balance_widget(self):
 108         if self.gui_factory.use_custom_widgets and phat:
 109             self.balance = phat.HFanSlider()
 110             self.balance.set_default_value(0)
 111             self.balance.set_adjustment(self.balance_adjustment)
 112         else:
 113             self.balance = gtk.HScale(self.balance_adjustment)
 114             self.balance.set_draw_value(False)
 115         self.pack_start(self.balance, False)
 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.set_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 self.stereo:
 185             meter_left, meter_right = self.channel.meter
 186             self.meter.set_values(meter_left, meter_right)
 187         else:
 188             self.meter.set_value(self.channel.meter[0])
 189
 190         self.abspeak.set_peak(self.channel.abspeak)
 191
 192     def on_scroll(self, widget, event):
 193         if event.direction == gtk.gdk.SCROLL_DOWN:
 194             self.slider_adjustment.step_down()
 195         elif event.direction == gtk.gdk.SCROLL_UP:
 196             self.slider_adjustment.step_up()
 197         return True
 198
 199     def update_volume(self, update_engine):
 200         db = self.slider_adjustment.get_value_db()
 201
 202         db_text = "%.2f" % db
 203         self.volume_digits.set_text(db_text)
 204
 205         if update_engine:
 206             #print "Setting engine volume to " + db_text
 207             self.channel.volume = db
 208
 209     def on_volume_changed(self, adjustment):
 210         self.update_volume(True)
 211
 212     def on_balance_changed(self, adjustment):
 213         balance = self.balance_adjustment.get_value()
 214         #print "%s balance: %f" % (self.channel_name, balance)
 215         self.channel.balance = balance
 216
 217     def on_key_pressed(self, widget, event):
 218         if (event.keyval == gtk.keysyms.Up):
 219             #print self.channel_name + " Up"
 220             self.slider_adjustment.step_up()
 221             return True
 222         elif (event.keyval == gtk.keysyms.Down):
 223             #print self.channel_name + " Down"
 224             self.slider_adjustment.step_down()
 225             return True
 226
 227         return False
 228
 229     def serialize(self, object_backend):
 230         object_backend.add_property("volume", "%f" % self.slider_adjustment.get_value_db())
 231         object_backend.add_property("balance", "%f" % self.balance_adjustment.get_value())
 232
 233         if self.channel.volume_midi_cc:
 234             object_backend.add_property('volume_midi_cc', str(self.channel.volume_midi_cc))
 235         if self.channel.balance_midi_cc:
 236             object_backend.add_property('balance_midi_cc', str(self.channel.balance_midi_cc))
 237
 238     def unserialize_property(self, name, value):
 239         if name == "volume":
 240             self.slider_adjustment.set_value_db(float(value))
 241             return True
 242         if name == "balance":
 243             self.balance_adjustment.set_value(float(value))
 244             return True
 245         if name == 'volume_midi_cc':
 246             self.future_volume_midi_cc = int(value)
 247             return True
 248         if name == 'balance_midi_cc':
 249             self.future_balance_midi_cc = int(value)
 250             return True
 251         return False
 252
 253     def on_midi_event_received(self, *args):
 254         self.slider_adjustment.set_value_db(self.channel.volume)
 255         self.balance_adjustment.set_value(self.channel.balance)
 256
 257     def midi_change_callback(self, *args):
 258         # the changes are not applied directly to the widgets as they
 259         # absolutely have to be done from the gtk thread.
 260         self.emit('midi-event-received')
 261
 262 gobject.signal_new('midi-event-received', channel,
 263                 gobject.SIGNAL_RUN_FIRST | gobject.SIGNAL_ACTION,
 264                 gobject.TYPE_NONE, ())
 265
 266 class input_channel(channel):
 267     def __init__(self, app, name, stereo):
 268         channel.__init__(self, app, name, stereo)
 269
 270     def realize(self):
 271         self.channel = self.mixer.add_channel(self.channel_name, self.stereo)
 272         if self.channel == None:
 273             raise Exception,"Cannot create a channel"
 274         channel.realize(self)
 275         if self.future_volume_midi_cc:
 276             self.channel.volume_midi_cc = self.future_volume_midi_cc
 277         if self.future_balance_midi_cc:
 278             self.channel.balance_midi_cc = self.future_balance_midi_cc
 279         self.channel.midi_scale = self.slider_scale.scale
 280         self.channel.midi_change_callback = self.midi_change_callback
 281
 282         self.on_volume_changed(self.slider_adjustment)
 283         self.on_balance_changed(self.balance_adjustment)
 284
 285         # vbox child at upper part
 286         self.vbox = gtk.VBox()
 287         self.pack_start(self.vbox, False)
 288         self.label_name = gtk.Label()
 289         self.label_name.set_text(self.channel_name)
 290         self.label_name.set_size_request(0, -1)
 291         self.label_name_event_box = gtk.EventBox()
 292         self.label_name_event_box.connect("button-press-event", self.on_label_mouse)
 293         self.label_name_event_box.add(self.label_name)
 294         self.vbox.pack_start(self.label_name_event_box, True)
 295 #         self.label_stereo = gtk.Label()
 296 #         if self.stereo:
 297 #             self.label_stereo.set_text("stereo")
 298 #         else:
 299 #             self.label_stereo.set_text("mono")
 300 #         self.label_stereo.set_size_request(0, -1)
 301 #         self.vbox.pack_start(self.label_stereo, True)
 302
 303         # hbox for mute and solo buttons
 304         self.hbox_mutesolo = gtk.HBox()
 305
 306         self.mute = gtk.ToggleButton()
 307         self.mute.set_label("M")
 308         self.mute.set_active(self.channel.mute)
 309         self.mute.connect("toggled", self.on_mute_toggled)
 310         self.hbox_mutesolo.pack_start(self.mute, True)
 311
 312         self.solo = gtk.ToggleButton()
 313         self.solo.set_label("S")
 314         self.solo.set_active(self.channel.solo)
 315         self.solo.connect("toggled", self.on_solo_toggled)
 316         self.hbox_mutesolo.pack_start(self.solo, True)
 317
 318         self.vbox.pack_start(self.hbox_mutesolo, False)
 319
 320         frame = gtk.Frame()
 321         frame.set_shadow_type(gtk.SHADOW_IN)
 322         frame.add(self.abspeak);
 323         self.pack_start(frame, False)
 324
 325         # hbox child at lower part
 326         self.hbox = gtk.HBox()
 327         self.hbox.pack_start(self.slider, True)
 328         frame = gtk.Frame()
 329         frame.set_shadow_type(gtk.SHADOW_IN)
 330         frame.add(self.meter);
 331         self.hbox.pack_start(frame, True)
 332         frame = gtk.Frame()
 333         frame.set_shadow_type(gtk.SHADOW_IN)
 334         frame.add(self.hbox);
 335         self.pack_start(frame, True)
 336
 337         self.volume_digits.set_size_request(0, -1)
 338         self.pack_start(self.volume_digits, False)
 339
 340         self.create_balance_widget()
 341
 342     def add_control_group(self, channel):
 343         control_group = ControlGroup(channel)
 344         control_group.show_all()
 345         self.vbox.pack_start(control_group, False)
 346
 347     def update_control_group(self, channel):
 348         for control_group in self.vbox.get_children():
 349             if isinstance(control_group, ControlGroup):
 350                 if control_group.output_channel is channel:
 351                     control_group.update()
 352
 353     def unrealize(self):
 354         channel.unrealize(self)
 355         self.channel.remove()
 356         self.channel = False
 357
 358     channel_properties_dialog = None
 359     def on_channel_properties(self):
 360         if not self.channel_properties_dialog:
 361             self.channel_properties_dialog = ChannelPropertiesDialog(self)
 362         self.channel_properties_dialog.show()
 363         self.channel_properties_dialog.present()
 364
 365     def on_label_mouse(self, widget, event):
 366         if event.type == gtk.gdk._2BUTTON_PRESS:
 367             if event.button == 1:
 368                 self.on_channel_properties()
 369
 370     def on_mute_toggled(self, button):
 371         self.channel.mute = self.mute.get_active()
 372
 373     def on_solo_toggled(self, button):
 374         self.channel.solo = self.solo.get_active()
 375
 376     def serialization_name(self):
 377         return input_channel_serialization_name()
 378
 379     def serialize(self, object_backend):
 380         object_backend.add_property("name", self.channel_name)
 381         if self.stereo:
 382             object_backend.add_property("type", "stereo")
 383         else:
 384             object_backend.add_property("type", "mono")
 385         channel.serialize(self, object_backend)
 386
 387     def unserialize_property(self, name, value):
 388         if name == "name":
 389             self.channel_name = str(value)
 390             return True
 391         if name == "type":
 392             if value == "stereo":
 393                 self.stereo = True
 394                 return True
 395             if value == "mono":
 396                 self.stereo = False
 397                 return True
 398         return channel.unserialize_property(self, name, value)
 399
 400 def input_channel_serialization_name():
 401     return "input_channel"
 402
 403
 404 available_colours = [
 405     ('#ef2929', '#cc0000', '#a40000'),
 406     ('#729fcf', '#3465a4', '#204a87'),
 407     ('#8aa234', '#73d216', '#4e9a06'),
 408     ('#fce84f', '#edd400', '#c4a000'),
 409     ('#fcaf3e', '#f57900', '#ce5c00'),
 410     ('#e9b96e', '#c17d11', '#8f5902'),
 411     ('#ad7fa8', '#75507b', '#5c3566'),
 412 ]
 413
 414 class output_channel(channel):
 415     colours = available_colours[:]
 416     _display_solo_buttons = False
 417
 418     def __init__(self, app, name, stereo):
 419         channel.__init__(self, app, name, stereo)
 420
 421     def get_display_solo_buttons(self):
 422         return self._display_solo_buttons
 423
 424     def set_display_solo_buttons(self, value):
 425         self._display_solo_buttons = value
 426         # notifying control groups
 427         for inputchannel in self.app.channels:
 428             inputchannel.update_control_group(self)
 429
 430     display_solo_buttons = property(get_display_solo_buttons, set_display_solo_buttons)
 431
 432     def realize(self):
 433         channel.realize(self)
 434         self.channel = self.mixer.add_output_channel(self.channel_name, self.stereo)
 435         if self.channel == None:
 436             raise Exception,"Cannot create a channel"
 437         channel.realize(self)
 438
 439         self.channel.midi_scale = self.slider_scale.scale
 440         self.channel.midi_change_callback = self.midi_change_callback
 441
 442         self.on_volume_changed(self.slider_adjustment)
 443         self.on_balance_changed(self.balance_adjustment)
 444
 445         # vbox child at upper part
 446         self.vbox = gtk.VBox()
 447         self.pack_start(self.vbox, False)
 448         self.label_name = gtk.Label()
 449         self.label_name.set_text(self.channel_name)
 450         self.label_name.set_size_request(0, -1)
 451         self.label_name_event_box = gtk.EventBox()
 452         self.label_name_event_box.connect('button-press-event', self.on_label_mouse)
 453         self.label_name_event_box.add(self.label_name)
 454         if not self.colours:
 455             self.colours = available_colours[:]
 456         for color in self.colours:
 457             self.color_tuple = [gtk.gdk.color_parse(color[x]) for x in range(3)]
 458             self.colours.remove(color)
 459             break
 460         self.label_name_event_box.modify_bg(gtk.STATE_NORMAL, self.color_tuple[1])
 461         self.vbox.pack_start(self.label_name_event_box, True)
 462         frame = gtk.Frame()
 463         frame.set_shadow_type(gtk.SHADOW_IN)
 464         frame.add(self.abspeak);
 465         self.vbox.pack_start(frame, False)
 466
 467         # hbox child at lower part
 468         self.hbox = gtk.HBox()
 469         self.hbox.pack_start(self.slider, True)
 470         frame = gtk.Frame()
 471         frame.set_shadow_type(gtk.SHADOW_IN)
 472         frame.add(self.meter);
 473         self.hbox.pack_start(frame, True)
 474         frame = gtk.Frame()
 475         frame.set_shadow_type(gtk.SHADOW_IN)
 476         frame.add(self.hbox);
 477         self.pack_start(frame, True)
 478
 479         self.volume_digits.set_size_request(0, -1)
 480         self.pack_start(self.volume_digits, False)
 481
 482         self.create_balance_widget()
 483
 484     channel_properties_dialog = None
 485     def on_channel_properties(self):
 486         if not self.channel_properties_dialog:
 487             self.channel_properties_dialog = OutputChannelPropertiesDialog(self)
 488         self.channel_properties_dialog.show()
 489         self.channel_properties_dialog.present()
 490
 491     def on_label_mouse(self, widget, event):
 492         if event.type == gtk.gdk._2BUTTON_PRESS:
 493             if event.button == 1:
 494                 self.on_channel_properties()
 495
 496     def unrealize(self):
 497         channel.unrealize(self)
 498         self.channel = False
 499
 500     def serialization_name(self):
 501         return output_channel_serialization_name()
 502
 503     def serialize(self, object_backend):
 504         object_backend.add_property("name", self.channel_name)
 505         if self.stereo:
 506             object_backend.add_property("type", "stereo")
 507         else:
 508             object_backend.add_property("type", "mono")
 509         if self.display_solo_buttons:
 510             object_backend.add_property("solo-buttons", "true")
 511         channel.serialize(self, object_backend)
 512
 513     def unserialize_property(self, name, value):
 514         if name == "name":
 515             self.channel_name = str(value)
 516             return True
 517         if name == "type":
 518             if value == "stereo":
 519                 self.stereo = True
 520                 return True
 521             if value == "mono":
 522                 self.stereo = False
 523                 return True
 524         if name == "solo-buttons":
 525             if value == "true":
 526                 self.display_solo_buttons = True
 527         return channel.unserialize_property(self, name, value)
 528
 529 def output_channel_serialization_name():
 530     return "output_channel"
 531
 532 class main_mix(channel):
 533     def __init__(self, app):
 534         channel.__init__(self, app, "MAIN", True)
 535
 536     def realize(self):
 537         channel.realize(self)
 538         self.channel = self.mixer.main_mix_channel
 539         self.channel.midi_scale = self.slider_scale.scale
 540         self.channel.midi_change_callback = self.midi_change_callback
 541
 542         self.on_volume_changed(self.slider_adjustment)
 543         self.on_balance_changed(self.balance_adjustment)
 544
 545         # vbox child at upper part
 546         self.vbox = gtk.VBox()
 547         self.pack_start(self.vbox, False)
 548         self.label_name = gtk.Label()
 549         self.label_name.set_text(self.channel_name)
 550         self.label_name.set_size_request(0, -1)
 551         self.vbox.pack_start(self.label_name, False)
 552         frame = gtk.Frame()
 553         frame.set_shadow_type(gtk.SHADOW_IN)
 554         frame.add(self.abspeak);
 555         self.vbox.pack_start(frame, False)
 556
 557         # hbox child at lower part
 558         self.hbox = gtk.HBox()
 559         self.hbox.pack_start(self.slider, True)
 560         frame = gtk.Frame()
 561         frame.set_shadow_type(gtk.SHADOW_IN)
 562         frame.add(self.meter);
 563         self.hbox.pack_start(frame, True)
 564         frame = gtk.Frame()
 565         frame.set_shadow_type(gtk.SHADOW_IN)
 566         frame.add(self.hbox);
 567         self.pack_start(frame, True)
 568
 569         self.volume_digits.set_size_request(0, -1)
 570         self.pack_start(self.volume_digits, False)
 571
 572         self.create_balance_widget()
 573
 574     def unrealize(self):
 575         channel.unrealize(self)
 576         self.channel = False
 577
 578     def serialization_name(self):
 579         return main_mix_serialization_name()
 580
 581 def main_mix_serialization_name():
 582     return "main_mix_channel"
 583
 584
 585 class ChannelPropertiesDialog(gtk.Dialog):
 586     def __init__(self, parent):
 587         self.channel = parent
 588         self.mixer = self.channel.mixer
 589         gtk.Dialog.__init__(self,
 590                         'Channel "%s" Properties' % self.channel.channel_name,
 591                         self.channel.gui_factory.topwindow)
 592
 593         self.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
 594         self.ok_button = self.add_button(gtk.STOCK_APPLY, gtk.RESPONSE_APPLY)
 595
 596         self.create_ui()
 597         self.fill_ui()
 598
 599         self.connect('response', self.on_response_cb)
 600         self.connect('delete-event', self.on_response_cb)
 601
 602     def create_frame(self, label, child):
 603         frame = gtk.Frame('')
 604         frame.set_border_width(3)
 605         #frame.set_shadow_type(gtk.SHADOW_NONE)
 606         frame.get_label_widget().set_markup('<b>%s</b>' % label)
 607
 608         alignment = gtk.Alignment(0, 0, 1, 1)
 609         alignment.set_padding(0, 0, 12, 0)
 610         frame.add(alignment)
 611         alignment.add(child)
 612
 613         return frame
 614
 615     def create_ui(self):
 616         vbox = gtk.VBox()
 617         self.vbox.add(vbox)
 618
 619         table = gtk.Table(2, 2, False)
 620         vbox.pack_start(self.create_frame('Properties', table))
 621         table.set_row_spacings(5)
 622         table.set_col_spacings(5)
 623
 624         table.attach(gtk.Label('Name'), 0, 1, 0, 1)
 625         self.entry_name = gtk.Entry()
 626         self.entry_name.set_activates_default(True)
 627         self.entry_name.connect('changed', self.on_entry_name_changed)
 628         table.attach(self.entry_name, 1, 2, 0, 1)
 629
 630         table.attach(gtk.Label('Mode'), 0, 1, 1, 2)
 631         self.mode_hbox = gtk.HBox()
 632         table.attach(self.mode_hbox, 1, 2, 1, 2)
 633         self.mono = gtk.RadioButton(label='Mono')
 634         self.stereo = gtk.RadioButton(label='Stereo', group=self.mono)
 635         self.mode_hbox.pack_start(self.mono)
 636         self.mode_hbox.pack_start(self.stereo)
 637
 638         table = gtk.Table(2, 3, False)
 639         vbox.pack_start(self.create_frame('MIDI Control Channels', table))
 640         table.set_row_spacings(5)
 641         table.set_col_spacings(5)
 642
 643         table.attach(gtk.Label('Volume'), 0, 1, 0, 1)
 644         self.entry_volume_cc = gtk.Entry()
 645         self.entry_volume_cc.set_activates_default(True)
 646         self.entry_volume_cc.set_editable(False)
 647         self.entry_volume_cc.set_width_chars(3)
 648         table.attach(self.entry_volume_cc, 1, 2, 0, 1)
 649         self.button_sense_midi_volume = gtk.Button('Autoset')
 650         self.button_sense_midi_volume.connect('clicked',
 651                         self.on_sense_midi_volume_clicked)
 652         table.attach(self.button_sense_midi_volume, 2, 3, 0, 1)
 653
 654         table.attach(gtk.Label('Balance'), 0, 1, 1, 2)
 655         self.entry_balance_cc = gtk.Entry()
 656         self.entry_balance_cc.set_activates_default(True)
 657         self.entry_balance_cc.set_width_chars(3)
 658         self.entry_balance_cc.set_editable(False)
 659         table.attach(self.entry_balance_cc, 1, 2, 1, 2)
 660         self.button_sense_midi_balance = gtk.Button('Autoset')
 661         self.button_sense_midi_balance.connect('clicked',
 662                         self.on_sense_midi_balance_clicked)
 663         table.attach(self.button_sense_midi_balance, 2, 3, 1, 2)
 664
 665         self.vbox.show_all()
 666
 667     def fill_ui(self):
 668         self.entry_name.set_text(self.channel.channel_name)
 669         if self.channel.channel.is_stereo:
 670             self.stereo.set_active(True)
 671         else:
 672             self.mono.set_active(True)
 673         self.mode_hbox.set_sensitive(False)
 674         self.entry_volume_cc.set_text('%s' % self.channel.channel.volume_midi_cc)
 675         self.entry_balance_cc.set_text('%s' % self.channel.channel.balance_midi_cc)
 676
 677     def sense_popup_dialog(self, entry):
 678         window = gtk.Window(gtk.WINDOW_TOPLEVEL)
 679         window.set_destroy_with_parent(True)
 680         window.set_transient_for(self)
 681         window.set_decorated(False)
 682         window.set_modal(True)
 683         window.set_position(gtk.WIN_POS_CENTER_ON_PARENT)
 684         window.set_border_width(10)
 685
 686         vbox = gtk.VBox(10)
 687         window.add(vbox)
 688         window.timeout = 5
 689         vbox.pack_start(gtk.Label('Please move the MIDI control you want to use for this function.'))
 690         timeout_label = gtk.Label('This window will close in 5 seconds')
 691         vbox.pack_start(timeout_label)
 692         def close_sense_timeout(window, entry):
 693             window.timeout -= 1
 694             timeout_label.set_text('This window will close in %d seconds.' % window.timeout)
 695             if window.timeout == 0:
 696                 window.destroy()
 697                 entry.set_text('%s' % self.mixer.last_midi_channel)
 698                 return False
 699             return True
 700         window.show_all()
 701         glib.timeout_add_seconds(1, close_sense_timeout, window, entry)
 702
 703     def on_sense_midi_volume_clicked(self, *args):
 704         self.sense_popup_dialog(self.entry_volume_cc)
 705
 706     def on_sense_midi_balance_clicked(self, *args):
 707         self.sense_popup_dialog(self.entry_balance_cc)
 708
 709     def on_response_cb(self, dlg, response_id, *args):
 710         self.channel.channel_properties_dialog = None
 711         self.destroy()
 712         if response_id == gtk.RESPONSE_APPLY:
 713             name = self.entry_name.get_text()
 714             self.channel.channel_name = name
 715             self.channel.channel.volume_midi_cc = int(self.entry_volume_cc.get_text())
 716             self.channel.channel.balance_midi_cc = int(self.entry_balance_cc.get_text())
 717
 718     def on_entry_name_changed(self, entry):
 719         self.ok_button.set_sensitive(len(entry.get_text()))
 720
 721 class NewChannelDialog(ChannelPropertiesDialog):
 722     def __init__(self, parent, mixer):
 723         gtk.Dialog.__init__(self, 'New Channel', parent)
 724         self.mixer = mixer
 725         self.create_ui()
 726
 727         self.stereo.set_active(True) # default to stereo
 728
 729         self.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
 730         self.ok_button = self.add_button(gtk.STOCK_ADD, gtk.RESPONSE_OK)
 731         self.ok_button.set_sensitive(False)
 732         self.set_default_response(gtk.RESPONSE_OK);
 733
 734     def get_result(self):
 735         return {'name': self.entry_name.get_text(),
 736                 'stereo': self.stereo.get_active(),
 737                 'volume_cc': self.entry_volume_cc.get_text(),
 738                 'balance_cc': self.entry_balance_cc.get_text()
 739                }
 740
 741 class OutputChannelPropertiesDialog(ChannelPropertiesDialog):
 742     def create_ui(self):
 743         ChannelPropertiesDialog.create_ui(self)
 744
 745         vbox = gtk.VBox()
 746         self.vbox.pack_start(self.create_frame('Input Channels', vbox))
 747
 748         self.display_solo_buttons = gtk.CheckButton('Display solo buttons')
 749         vbox.pack_start(self.display_solo_buttons)
 750
 751         self.vbox.show_all()
 752
 753     def fill_ui(self):
 754         ChannelPropertiesDialog.fill_ui(self)
 755         self.display_solo_buttons.set_active(self.channel.display_solo_buttons)
 756
 757     def on_response_cb(self, dlg, response_id, *args):
 758         ChannelPropertiesDialog.on_response_cb(self, dlg, response_id, *args)
 759         if response_id == gtk.RESPONSE_APPLY:
 760             self.channel.display_solo_buttons = self.display_solo_buttons.get_active()
 761
 762
 763 class NewOutputChannelDialog(OutputChannelPropertiesDialog):
 764     def __init__(self, parent, mixer):
 765         gtk.Dialog.__init__(self, 'New Output Channel', parent)
 766         self.mixer = mixer
 767         self.create_ui()
 768
 769         # TODO: disable mode for output channels as mono output channels may
 770         # not be correctly handled yet.
 771         self.mode_hbox.set_sensitive(False)
 772         self.stereo.set_active(True) # default to stereo
 773
 774         self.add_button(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL)
 775         self.ok_button = self.add_button(gtk.STOCK_ADD, gtk.RESPONSE_OK)
 776         self.ok_button.set_sensitive(False)
 777         self.set_default_response(gtk.RESPONSE_OK);
 778
 779     def get_result(self):
 780         return {'name': self.entry_name.get_text(),
 781                 'stereo': self.stereo.get_active(),
 782                 'volume_cc': self.entry_volume_cc.get_text(),
 783                 'balance_cc': self.entry_balance_cc.get_text(),
 784                 'display_solo_buttons': self.display_solo_buttons.get_active(),
 785                }
 786
 787
 788 class ControlGroup(gtk.Alignment):
 789     def __init__(self, output_channel):
 790         gtk.Alignment.__init__(self, 0.5, 0.5, 0, 0)
 791         self.output_channel = output_channel
 792
 793         hbox = gtk.HBox()
 794         self.hbox = hbox
 795         self.add(hbox)
 796
 797         mute = gtk.ToggleButton()
 798         mute.set_label("M")
 799         #mute.set_active(self.channel.mute)
 800         #mute.connect("toggled", self.on_mute_toggled)
 801         hbox.pack_start(mute, False)
 802
 803         solo = gtk.ToggleButton()
 804         self.solo = solo
 805         solo.set_label("S")
 806         #solo.set_active(self.channel.solo)
 807         #solo.connect("toggled", self.on_solo_toggled)
 808         if self.output_channel.display_solo_buttons:
 809             hbox.pack_start(solo, True)
 810
 811         mute.modify_bg(gtk.STATE_PRELIGHT, output_channel.color_tuple[0])
 812         mute.modify_bg(gtk.STATE_NORMAL, output_channel.color_tuple[1])
 813         mute.modify_bg(gtk.STATE_ACTIVE, output_channel.color_tuple[2])
 814         solo.modify_bg(gtk.STATE_PRELIGHT, output_channel.color_tuple[0])
 815         solo.modify_bg(gtk.STATE_NORMAL, output_channel.color_tuple[1])
 816         solo.modify_bg(gtk.STATE_ACTIVE, output_channel.color_tuple[2])
 817
 818     def update(self):
 819         if self.output_channel.display_solo_buttons:
 820             if not self.solo in self.hbox.get_children():
 821                 self.hbox.pack_start(self.solo, True)
 822                 self.solo.show()
 823         else:
 824             if self.solo in self.hbox.get_children():
 825                 self.hbox.remove(self.solo)