diff options
| -rw-r--r-- | gtk2_ardour/engine_dialog.cc | 98 | ||||
| -rw-r--r-- | gtk2_ardour/engine_dialog.h | 29 |
2 files changed, 111 insertions, 16 deletions
diff --git a/gtk2_ardour/engine_dialog.cc b/gtk2_ardour/engine_dialog.cc index 24ad4fc991..adfb1097c8 100644 --- a/gtk2_ardour/engine_dialog.cc +++ b/gtk2_ardour/engine_dialog.cc @@ -98,6 +98,7 @@ EngineControl::EngineControl () , _desired_sample_rate (0) , started_at_least_once (false) , queue_device_changed (false) + , block_signals(0) { using namespace Notebook_Helpers; vector<string> backend_names; @@ -310,22 +311,87 @@ EngineControl::EngineControl () } void -EngineDialog::connect_changed_signals () -{ - backend_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::backend_changed)); - driver_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::driver_changed)); - sample_rate_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); - buffer_size_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); - device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::device_changed)); - midi_option_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::midi_option_changed)); - - input_device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::input_device_changed)); - output_device_combo.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::output_device_changed)); - - input_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); - output_latency.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); - input_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); - output_channels.signal_changed().connect (sigc::mem_fun (*this, &EngineControl::parameter_changed)); +EngineControl::connect_changed_signals () +{ + backend_combo_connection = backend_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::backend_changed)); + driver_combo_connection = driver_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::driver_changed)); + sample_rate_combo_connection = sample_rate_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::sample_rate_changed)); + buffer_size_combo_connection = buffer_size_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::buffer_size_changed)); + device_combo_connection = device_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::device_changed)); + midi_option_combo_connection = midi_option_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::midi_option_changed)); + + input_device_combo_connection = input_device_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::input_device_changed)); + output_device_combo_connection = output_device_combo.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::output_device_changed)); + + input_latency_connection = input_latency.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_latency_connection = output_latency.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); + input_channels_connection = input_channels.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); + output_channels_connection = output_channels.signal_changed ().connect ( + sigc::mem_fun (*this, &EngineControl::parameter_changed)); +} + +void +EngineControl::block_changed_signals () +{ + if (block_signals++ == 0) { + backend_combo_connection.block (); + driver_combo_connection.block (); + sample_rate_combo_connection.block (); + buffer_size_combo_connection.block (); + device_combo_connection.block (); + input_device_combo_connection.block (); + output_device_combo_connection.block (); + midi_option_combo_connection.block (); + input_latency_connection.block (); + output_latency_connection.block (); + input_channels_connection.block (); + output_channels_connection.block (); + } +} + +void +EngineControl::unblock_changed_signals () +{ + if (--block_signals == 0) { + backend_combo_connection.unblock (); + driver_combo_connection.unblock (); + sample_rate_combo_connection.unblock (); + buffer_size_combo_connection.unblock (); + device_combo_connection.unblock (); + input_device_combo_connection.unblock (); + output_device_combo_connection.unblock (); + midi_option_combo_connection.unblock (); + input_latency_connection.unblock (); + output_latency_connection.unblock (); + input_channels_connection.unblock (); + output_channels_connection.unblock (); + } +} + +EngineControl::SignalBlocker::SignalBlocker (EngineControl& engine_control, + const std::string& reason) + : ec (engine_control) + , m_reason (reason) +{ + DEBUG_ECONTROL (string_compose ("SignalBlocker: %1", m_reason)); + ec.block_changed_signals (); +} + +EngineControl::SignalBlocker::~SignalBlocker () +{ + DEBUG_ECONTROL (string_compose ("~SignalBlocker: %1", m_reason)); + ec.unblock_changed_signals (); } void diff --git a/gtk2_ardour/engine_dialog.h b/gtk2_ardour/engine_dialog.h index 553a9f9be5..bb4965884d 100644 --- a/gtk2_ardour/engine_dialog.h +++ b/gtk2_ardour/engine_dialog.h @@ -246,6 +246,35 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList { void build_no_control_notebook (); void connect_changed_signals (); + void block_changed_signals (); + void unblock_changed_signals (); + + class SignalBlocker + { + public: + SignalBlocker (EngineControl& engine_control, const std::string& reason); + + ~SignalBlocker (); + + private: + EngineControl& ec; + std::string m_reason; + }; + + uint32_t block_signals; + + sigc::connection backend_combo_connection; + sigc::connection driver_combo_connection; + sigc::connection sample_rate_combo_connection; + sigc::connection buffer_size_combo_connection; + sigc::connection device_combo_connection; + sigc::connection input_device_combo_connection; + sigc::connection output_device_combo_connection; + sigc::connection midi_option_combo_connection; + sigc::connection input_latency_connection; + sigc::connection output_latency_connection; + sigc::connection input_channels_connection; + sigc::connection output_channels_connection; void on_show (); void on_response (int); |