This was necessary due to a bug/design issue between Glibmm and Glib (see https://bugzilla.gnome.org/show_bug.cgi?id=561885)
but the problem needs to be managed by the *creator* of the IOSource and that has now moved inside CrossThreadChannel.
* fixes Master Fader Touch button in the Mackie;
* implements a MasterFaderTouch global button;
* removes unused MackieControlProtocol::_transport_previously_rolling property;
* implements DeviceInfo::get_global_button() method;
* creates GlobalButtonsInfo and StripButtonsInfo types in DeviceInfo;
* implements Surface::_last_master_gain_written property to help master fader feedback;
* makes Surface respect _mcp.device_info().strip_cnt() to create master fader and when connecting signals for strips and master fader instead of using hardcoded 8;
* removed a few unnecessary updates in Surface::turn_it_on();
* included master_gain_changed() in Surface::periodic();
* implemented MackieControlProtocol::master_fader_touch_press and
* MackieControlProtocol::master_fader_touch_release;
git-svn-id: svn://localhost/ardour2/branches/3.0@12631 d708f5d6-7413-0410-9779-e7cbd77b26cf
* delays Mackie's led initialization until the Mackie is actually ready to receive messages;
* at the button X function mapping customization interface in Preferences:
o show specific device names instead of global ones;
o mark the buttons that are actually available in the device with a *;
o included a bottom text explaining what the * means;
* created a DeviceInfo::get_global_button_name(Button::ID) method;
* included several DEBUG_TRACE in mackies code;
* renamed device buttons and groups according to the following logic: Mackie buttons are named exactly like a actual (mine) Mackie names them on the interface itself. Logic Control buttons are named exactly like they appear at Logic Pro 7.2.1 Dedicated Control Surface Support manual;
* improved timecode display (new format);
git-svn-id: svn://localhost/ardour2/branches/3.0@12582 d708f5d6-7413-0410-9779-e7cbd77b26cf
* implements Metering on/off through Button::Read as per Seablade's suggestion. I choose this button as it's the "Show meters" button in Traktion;
* removes redundant code from Meter::update_transport_rolling();
* renames Meter::update_transport_rolling() to Meter::notify_metering_state_changed();
* renamed Surface::notify_transport_state_changed() to Surface::notify_metering_state_changed();
* renamed Strip::notify_transport_state_changed() to Strip::notify_metering_state_changed();
* created MackieControlProtocol::notify_metering_state_changed() and made MackieControlProtocol::notify_transport_state_changed() use it;
* implemented turning off of timecode display and two char display in Surface::zero_all ();
* implemented master fader zeroing in Surface::zero_all ();
* calling Surfaces->zero_all() at MackieControlProtocol destructor;
* implemented restore of 2nd LCD line content after metering being active.
git-svn-id: svn://localhost/ardour2/branches/3.0@12520 d708f5d6-7413-0410-9779-e7cbd77b26cf
