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livetrax/gtk2_ardour/engine_dialog.h
Paul Davis 9c0beeb759 fix problem with ArdourDialog::on_delete_event() not being called when appropriate during app startup 
The dialog is run using gtk_dialog_run() which uses on_response() to deal with delete/close events unlike a regular
top level event loop.

Probably even better would be run run the dialog from the top level event loop, but this is a bit complex
2019-09-22 21:45:30 -06:00

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/*
* Copyright (C) 2007-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2007-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2008-2009 David Robillard <d@drobilla.net>
* Copyright (C) 2014-2019 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015-2016 Tim Mayberry <mojofunk@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef __gtk2_ardour_engine_dialog_h__
#define __gtk2_ardour_engine_dialog_h__
#include <map>
#include <vector>
#include <string>
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <gtkmm/buttonbox.h>
#include <gtkmm/comboboxtext.h>
#include <gtkmm/checkbutton.h>
#include <gtkmm/expander.h>
#include <gtkmm/notebook.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/table.h>
#include "pbd/signals.h"
#include "widgets/ardour_button.h"
#include "ardour_dialog.h"
class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList
{
public:
EngineControl ();
~EngineControl ();
static bool need_setup ();
XMLNode& get_state ();
bool set_state (const XMLNode&);
void set_desired_sample_rate (uint32_t);
bool try_autostart ();
private:
Gtk::Notebook notebook;
Gtk::Label engine_status;
/* core fields used by all backends */
Gtk::Table basic_packer;
Gtk::HBox basic_hbox;
Gtk::VBox basic_vbox;
Gtk::ComboBoxText backend_combo;
Gtk::ComboBoxText driver_combo;
Gtk::ComboBoxText device_combo;
Gtk::ComboBoxText input_device_combo;
Gtk::ComboBoxText output_device_combo;
Gtk::ComboBoxText sample_rate_combo;
Gtk::ComboBoxText midi_option_combo;
Gtk::ComboBoxText buffer_size_combo;
Gtk::Label buffer_size_duration_label;
Gtk::ComboBoxText nperiods_combo;
Gtk::Adjustment input_latency_adjustment;
Gtk::SpinButton input_latency;
Gtk::Adjustment output_latency_adjustment;
Gtk::SpinButton output_latency;
Gtk::Adjustment input_channels_adjustment;
Gtk::SpinButton input_channels;
Gtk::Adjustment output_channels_adjustment;
Gtk::SpinButton output_channels;
Gtk::Adjustment ports_adjustment;
Gtk::SpinButton ports_spinner;
Gtk::Label have_control_text;
ArdourWidgets::ArdourButton control_app_button;
ArdourWidgets::ArdourButton midi_devices_button;
ArdourWidgets::ArdourButton start_stop_button;
ArdourWidgets::ArdourButton update_devices_button;
ArdourWidgets::ArdourButton use_buffered_io_button;
Gtk::Button connect_disconnect_button;
/* latency measurement */
class ChannelNameCols : public Gtk::TreeModelColumnRecord
{
public:
ChannelNameCols () {
add (pretty_name);
add (port_name);
}
Gtk::TreeModelColumn<std::string> pretty_name;
Gtk::TreeModelColumn<std::string> port_name;
};
ChannelNameCols lm_output_channel_cols;
Glib::RefPtr<Gtk::ListStore> lm_output_channel_list;
Gtk::ComboBox lm_output_channel_combo;
ChannelNameCols lm_input_channel_cols;
Glib::RefPtr<Gtk::ListStore> lm_input_channel_list;
Gtk::ComboBox lm_input_channel_combo;
Gtk::Label lm_measure_label;
Gtk::Button lm_measure_button;
Gtk::Button lm_use_button;
Gtk::Button lm_back_button;
ArdourWidgets::ArdourButton lm_button_audio;
Gtk::Label lm_title;
Gtk::Label lm_preamble;
Gtk::Label lm_results;
Gtk::Table lm_table;
Gtk::VBox lm_vbox;
bool have_lm_results;
bool lm_running;
/* MIDI Tab */
Gtk::VBox midi_vbox;
Gtk::Button midi_back_button;
Gtk::Table midi_device_table;
/* MIDI ... JACK */
Gtk::CheckButton aj_button;
uint32_t ignore_changes; // state save/load
uint32_t ignore_device_changes; // AudioEngine::DeviceListChanged
uint32_t _desired_sample_rate;
bool started_at_least_once;
bool queue_device_changed;
void driver_changed ();
void backend_changed ();
void sample_rate_changed ();
void buffer_size_changed ();
void nperiods_changed ();
void parameter_changed ();
void midi_option_changed ();
void setup_midi_tab_for_backend ();
void setup_midi_tab_for_jack ();
void refresh_midi_display (std::string focus = "");
void update_midi_options ();
std::string bufsize_as_string (uint32_t);
std::string nperiods_as_string (uint32_t);
std::vector<float> get_default_sample_rates ();
std::vector<uint32_t> get_default_buffer_sizes ();
std::vector<float> get_sample_rates_for_all_devices ();
std::vector<uint32_t> get_buffer_sizes_for_all_devices ();
float get_rate() const;
uint32_t get_buffer_size() const;
uint32_t get_nperiods() const;
uint32_t get_input_channels() const;
uint32_t get_output_channels() const;
uint32_t get_input_latency() const;
uint32_t get_output_latency() const;
std::string get_device_name() const;
std::string get_input_device_name() const;
std::string get_output_device_name() const;
std::string get_driver() const;
std::string get_backend() const;
std::string get_midi_option () const;
bool get_use_buffered_io () const;
std::string get_default_device (const std::string&,
const std::vector<std::string>&);
void device_changed ();
void input_device_changed ();
void output_device_changed ();
bool set_driver_popdown_strings ();
bool set_device_popdown_strings ();
bool set_input_device_popdown_strings ();
bool set_output_device_popdown_strings ();
void set_samplerate_popdown_strings ();
void set_buffersize_popdown_strings ();
void set_nperiods_popdown_strings ();
void list_devices ();
void show_buffer_duration ();
void configure_midi_devices ();
struct MidiDeviceSetting {
std::string name;
bool enabled;
uint32_t input_latency;
uint32_t output_latency;
MidiDeviceSetting (std::string n, bool en = true, uint32_t inl = 0, uint32_t oul = 0)
: name (n)
, enabled (en)
, input_latency (inl)
, output_latency (oul)
{}
};
typedef boost::shared_ptr<MidiDeviceSetting> MidiDeviceSettings;
bool _can_set_midi_latencies;
std::vector<MidiDeviceSettings> _midi_devices;
MidiDeviceSettings find_midi_device(std::string devicename) const {
for (std::vector<MidiDeviceSettings>::const_iterator p = _midi_devices.begin(); p != _midi_devices.end(); ++p) {
if ((*p)->name == devicename) {
return *p;
}
}
return MidiDeviceSettings();
}
struct StateStruct {
std::string backend;
std::string driver;
std::string device;
std::string input_device;
std::string output_device;
float sample_rate;
uint32_t buffer_size;
uint32_t n_periods;
uint32_t input_latency;
uint32_t output_latency;
uint32_t input_channels;
uint32_t output_channels;
bool active;
bool use_buffered_io;
std::string midi_option;
std::vector<MidiDeviceSettings> midi_devices;
time_t lru;
StateStruct()
: sample_rate (48000)
, buffer_size (1024)
, input_latency (0)
, output_latency (0)
, input_channels (0)
, output_channels (0)
, active (false)
, use_buffered_io (false)
, lru (0)
{}
};
typedef boost::shared_ptr<StateStruct> State;
typedef std::list<State> StateList;
static bool state_sort_cmp (const State &a, const State &b);
StateList states;
State get_matching_state (const std::string& backend);
State get_matching_state (const std::string& backend,
const std::string& driver,
const std::string& device);
State get_matching_state (const std::string& backend,
const std::string& driver,
const std::string& input_device,
const std::string& output_device);
State get_saved_state_for_currently_displayed_backend_and_device ();
void maybe_display_saved_state ();
State save_state ();
void store_state (State);
bool equivalent_states (const State&, const State&);
bool set_current_state (const State& state);
void set_default_state ();
bool _have_control;
static bool print_channel_count (Gtk::SpinButton*);
void build_notebook ();
void build_full_control_notebook ();
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 nperiods_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_map ();
void control_app_button_clicked ();
void start_stop_button_clicked ();
void update_devices_button_clicked ();
void use_buffered_io_button_clicked ();
void use_latency_button_clicked ();
void manage_control_app_sensitivity ();
int push_state_to_backend (bool start);
void post_push ();
void update_sensitivity ();
bool start_engine ();
bool stop_engine (bool for_latency = false);
/* latency measurement */
void latency_button_clicked ();
void latency_back_button_clicked ();
bool check_audio_latency_measurement ();
bool check_midi_latency_measurement ();
sigc::connection latency_timeout;
void enable_latency_tab ();
void disable_latency_tab ();
void start_latency_detection ();
void end_latency_detection ();
void on_switch_page (GtkNotebookPage*, guint page_num);
bool on_delete_event (GdkEventAny*);
void on_response (int);
void engine_running ();
void engine_stopped ();
void device_list_changed ();
PBD::ScopedConnection running_connection;
PBD::ScopedConnectionList stopped_connection;
PBD::ScopedConnection devicelist_connection;
void connect_disconnect_click ();
void calibrate_audio_latency ();
void calibrate_midi_latency (MidiDeviceSettings);
MidiDeviceSettings _measure_midi;
void midi_latency_adjustment_changed(Gtk::Adjustment *, MidiDeviceSettings, bool);
void midi_device_enabled_toggled(ArdourWidgets::ArdourButton *, MidiDeviceSettings);
sigc::connection lm_back_button_signal;
};
#endif /* __gtk2_ardour_engine_dialog_h__ */
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