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Add utility method for choosing which device/s to display in Audio Setup dialog

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This commit is contained in:
Tim Mayberry 2015-08-26 00:16:36 +10:00
parent 25ff056921
commit dbe3500f24
2 changed files with 60 additions and 43 deletions
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100
gtk2_ardour/engine_dialog.cc
View File

@ -1062,6 +1062,46 @@ EngineControl::set_driver_popdown_strings ()
return true;
}
std::string
EngineControl::get_default_device(const string& current_device_name,
const vector<string>& available_devices)
{
// If the current device is available, use it as default
if (std::find (available_devices.begin (),
available_devices.end (),
current_device_name) != available_devices.end ()) {
return current_device_name;
}
using namespace ARDOUR;
string default_device_name =
AudioBackend::get_standard_device_name(AudioBackend::DeviceDefault);
vector<string>::const_iterator i;
// If there is a "Default" device available, use it
for (i = available_devices.begin(); i != available_devices.end(); ++i) {
if (*i == default_device_name) {
return *i;
}
}
string none_device_name =
AudioBackend::get_standard_device_name(AudioBackend::DeviceNone);
// Use the first device that isn't "None"
for (i = available_devices.begin(); i != available_devices.end(); ++i) {
if (*i != none_device_name) {
return *i;
}
}
// Use "None" if there are no other available
return available_devices.front();
}
// @return true if there are devices available
bool
EngineControl::set_device_popdown_strings ()
@ -1089,23 +1129,15 @@ EngineControl::set_device_popdown_strings ()
return false;
}
string current_device = backend->device_name ();
// Make sure that backend->device_name () is a valid
// device, the backend may not return a valid device if it hasn't
// been set yet.
if (std::find (available_devices.begin (),
available_devices.end (),
current_device) == available_devices.end ()) {
current_device = available_devices.front ();
}
set_popdown_strings (device_combo, available_devices);
DEBUG_ECONTROL (
string_compose ("set device_combo active text: %1", current_device));
device_combo.set_active_text (current_device);
std::string default_device =
get_default_device(backend->device_name(), available_devices);
DEBUG_ECONTROL (
string_compose ("set device_combo active text: %1", default_device));
device_combo.set_active_text(default_device);
return true;
}
@ -1127,23 +1159,14 @@ EngineControl::set_input_device_popdown_strings ()
return false;
}
string current_device = backend->input_device_name ();
// Make sure that backend->input_device_name () is a valid
// device, the backend may not return a valid device if it hasn't
// been set yet.
if (std::find (available_devices.begin (),
available_devices.end (),
current_device) == available_devices.end ()) {
current_device = available_devices.front ();
}
set_popdown_strings (input_device_combo, available_devices);
std::string default_device =
get_default_device(backend->input_device_name(), available_devices);
DEBUG_ECONTROL (
string_compose ("set input_device_combo active text: %1", current_device));
input_device_combo.set_active_text (current_device);
string_compose ("set input_device_combo active text: %1", default_device));
input_device_combo.set_active_text(default_device);
return true;
}
@ -1165,23 +1188,14 @@ EngineControl::set_output_device_popdown_strings ()
return false;
}
string current_device = backend->output_device_name ();
// Make sure that backend->output_device_name () is a valid
// device, the backend may not return a valid device if it hasn't
// been set yet.
if (std::find (available_devices.begin (),
available_devices.end (),
current_device) == available_devices.end ()) {
current_device = available_devices.front ();
}
set_popdown_strings (output_device_combo, available_devices);
std::string default_device =
get_default_device(backend->output_device_name(), available_devices);
DEBUG_ECONTROL (
string_compose ("set output_device_combo active text: %1", current_device));
output_device_combo.set_active_text (current_device);
string_compose ("set output_device_combo active text: %1", default_device));
output_device_combo.set_active_text(default_device);
return true;
}

3
gtk2_ardour/engine_dialog.h
View File

@ -158,6 +158,9 @@ class EngineControl : public ArdourDialog, public PBD::ScopedConnectionList {
std::string get_backend() const;
std::string get_midi_option () 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 ();