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Engine Dialog: fix memory-leak, do not manage Labels

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Gtk::manage only destroys managed widgets when the parent container
is destroyed. In Ardour's case this is not the case since
Gtkmm2ext::container_clear() is used to unpack/repack widgets
as required.
This commit is contained in:
Robin Gareus 2022-07-01 23:54:44 +02:00
parent 8f4aab9584
commit ddca042b7b
Signed by: rgareus
GPG Key ID: A090BCE02CF57F04
2 changed files with 65 additions and 57 deletions
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103
gtk2_ardour/engine_dialog.cc
View File

@ -88,6 +88,20 @@ EngineControl::EngineControl ()
, input_latency (input_latency_adjustment)
, output_latency_adjustment (0, 0, 99999, 1)
, output_latency (output_latency_adjustment)
, lbl_audio_system (_("Audio System:"), Gtk::ALIGN_START)
, lbl_midi_system (_("MIDI System:"), Gtk::ALIGN_START)
, lbl_driver (_("Driver:"), Gtk::ALIGN_START)
, lbl_device (_("Device:"), Gtk::ALIGN_START)
, lbl_input_device (_("Input Device:"), Gtk::ALIGN_START)
, lbl_output_device (_("Output Device:"), Gtk::ALIGN_START)
, lbl_sample_rate (_("Sample rate:"), Gtk::ALIGN_START)
, lbl_buffer_size (_("Buffer size:"), Gtk::ALIGN_START)
, lbl_nperiods (_("Periods:"), Gtk::ALIGN_START)
, lbl_input_latency (_("Hardware input latency:"), Gtk::ALIGN_START)
, lbl_output_latency (_("Hardware output latency:"), Gtk::ALIGN_START)
, lbl_monitor_model (_("Record monitoring handled by:"), Gtk::ALIGN_START)
, lbl_jack_msg ("", Gtk::ALIGN_START)
, unit_samples_text (_("samples"), Gtk::ALIGN_START)
, control_app_button (_("Device Control Panel"))
, midi_devices_button (_("MIDI Device Setup"))
, start_stop_button (_("Stop"))
@ -145,6 +159,17 @@ EngineControl::EngineControl ()
monitor_model_combo.append_text (_("via Audio Driver"));
}
/* setup latency spinbox behavior */
input_latency.set_can_focus ();
input_latency.set_digits (0);
input_latency.set_wrap (false);
input_latency.set_editable (true);
output_latency.set_can_focus ();
output_latency.set_digits (0);
output_latency.set_wrap (false);
output_latency.set_editable (true);
/* setup basic packing characteristics for the table used on the main
* tab of the notebook
*/
@ -423,8 +448,8 @@ EngineControl::unblock_changed_signals ()
EngineControl::SignalBlocker::SignalBlocker (EngineControl& engine_control,
const std::string& reason)
: ec (engine_control)
, m_reason (reason)
: ec (engine_control)
, m_reason (reason)
{
DEBUG_ECONTROL (string_compose ("SignalBlocker: %1", m_reason));
ec.block_changed_signals ();
@ -511,7 +536,6 @@ EngineControl::stop_engine (bool for_latency)
void
EngineControl::build_notebook ()
{
Label* label;
AttachOptions xopt = AttachOptions (FILL | EXPAND);
/* clear the table */
@ -530,8 +554,7 @@ EngineControl::build_notebook ()
connect_disconnect_button.get_parent ()->remove (connect_disconnect_button);
}
label = manage (left_aligned_label (_("Audio System:")));
basic_packer.attach (*label, 0, 1, 0, 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_audio_system, 0, 1, 0, 1, xopt, (AttachOptions)0);
basic_packer.attach (backend_combo, 1, 2, 0, 1, xopt, (AttachOptions)0);
basic_packer.attach (engine_status, 2, 3, 0, 1, xopt, (AttachOptions)0);
@ -564,7 +587,6 @@ EngineControl::build_full_control_notebook ()
assert (backend);
using namespace Notebook_Helpers;
Label* label;
vector<string> strings;
AttachOptions xopt = AttachOptions (FILL | EXPAND);
int row = 1; // row zero == backend combo
@ -574,29 +596,25 @@ EngineControl::build_full_control_notebook ()
/* start packing it up */
if (backend->requires_driver_selection ()) {
label = manage (left_aligned_label (_("Driver:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_driver, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (driver_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
}
if (backend->use_separate_input_and_output_devices ()) {
label = manage (left_aligned_label (_("Input Device:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_input_device, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (input_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
label = manage (left_aligned_label (_("Output Device:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_output_device, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (output_device_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
// reset so it isn't used in state comparisons
/* reset so it isn't used in state comparisons */
device_combo.set_active_text ("");
} else {
label = manage (left_aligned_label (_("Device:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_device, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (device_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
// reset these so they don't get used in state comparisons
/* reset these so they don't get used in state comparisons */
input_device_combo.set_active_text ("");
output_device_combo.set_active_text ("");
}
@ -620,13 +638,11 @@ EngineControl::build_full_control_notebook ()
autostart_packed = true;
}
label = manage (left_aligned_label (_("Sample rate:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_sample_rate, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
label = manage (left_aligned_label (_("Buffer size:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_buffer_size, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
buffer_size_duration_label.set_alignment (0.0); /* left-align */
basic_packer.attach (buffer_size_duration_label, 2, 3, row, row + 1, SHRINK, (AttachOptions)0);
@ -634,8 +650,7 @@ EngineControl::build_full_control_notebook ()
int ctrl_btn_span = 1;
if (backend->can_set_period_size ()) {
row++;
label = manage (left_aligned_label (_("Periods:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_nperiods, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (nperiods_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
++ctrl_btn_span;
}
@ -651,44 +666,25 @@ EngineControl::build_full_control_notebook ()
autostart_packed = true;
}
input_latency.set_name ("InputLatency");
input_latency.set_can_focus ();
input_latency.set_digits (0);
input_latency.set_wrap (false);
input_latency.set_editable (true);
label = manage (left_aligned_label (_("Hardware input latency:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_input_latency, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (input_latency, 1, 2, row, row + 1, xopt, (AttachOptions)0);
label = manage (left_aligned_label (_("samples")));
basic_packer.attach (*label, 2, 3, row, row + 1, SHRINK, (AttachOptions)0);
basic_packer.attach (unit_samples_text, 2, 3, row, row + 1, SHRINK, (AttachOptions)0);
++row;
output_latency.set_name ("OutputLatency");
output_latency.set_can_focus ();
output_latency.set_digits (0);
output_latency.set_wrap (false);
output_latency.set_editable (true);
label = manage (left_aligned_label (_("Hardware output latency:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_output_latency, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (output_latency, 1, 2, row, row + 1, xopt, (AttachOptions)0);
label = manage (left_aligned_label (_("samples")));
basic_packer.attach (*label, 2, 3, row, row + 1, SHRINK, (AttachOptions)0);
//basic_packer.attach (unit_samples_text, 2, 3, row, row + 1, SHRINK, (AttachOptions)0);
/* button spans 2 rows */
basic_packer.attach (lm_button_audio, 3, 4, row - 1, row + 1, xopt, xopt);
++row;
label = manage (left_aligned_label (_("MIDI System:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_midi_system, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (midi_option_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (midi_devices_button, 3, 4, row, row + 1, xopt, xopt);
row++;
label = manage (left_aligned_label (_("Record monitoring handled by:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_monitor_model, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (monitor_model_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
@ -704,27 +700,24 @@ EngineControl::build_no_control_notebook ()
assert (backend);
using namespace Notebook_Helpers;
Label* label;
vector<string> strings;
AttachOptions xopt = AttachOptions (FILL | EXPAND);
int row = 1; // row zero == backend combo
const string msg = string_compose (_("%1 is already running. %2 will connect to it and use the existing settings."), backend->name (), PROGRAM_NAME);
label = manage (new Label);
label->set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg));
basic_packer.attach (*label, 0, 2, row, row + 1, xopt, (AttachOptions)0);
lbl_jack_msg.set_markup (string_compose ("<span weight=\"bold\" foreground=\"red\">%1</span>", msg));
basic_packer.attach (lbl_jack_msg, 0, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
if (backend->can_change_sample_rate_when_running ()) {
label = manage (left_aligned_label (_("Sample rate:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_sample_rate, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (sample_rate_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
row++;
}
if (backend->can_change_buffer_size_when_running ()) {
label = manage (left_aligned_label (_("Buffer size:")));
basic_packer.attach (*label, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (lbl_buffer_size, 0, 1, row, row + 1, xopt, (AttachOptions)0);
basic_packer.attach (buffer_size_combo, 1, 2, row, row + 1, xopt, (AttachOptions)0);
buffer_size_duration_label.set_alignment (0.0); /* left-align */
basic_packer.attach (buffer_size_duration_label, 2, 3, row, row + 1, xopt, (AttachOptions)0);

19
gtk2_ardour/engine_dialog.h
View File

@ -77,7 +77,6 @@ private:
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;
@ -85,7 +84,23 @@ private:
Gtk::SpinButton output_latency;
Gtk::ComboBoxText monitor_model_combo;
Gtk::Label have_control_text;
Gtk::Label lbl_audio_system;
Gtk::Label lbl_midi_system;
Gtk::Label lbl_driver;
Gtk::Label lbl_device;
Gtk::Label lbl_input_device;
Gtk::Label lbl_output_device;
Gtk::Label lbl_sample_rate;
Gtk::Label lbl_buffer_size;
Gtk::Label lbl_nperiods;
Gtk::Label lbl_input_latency;
Gtk::Label lbl_output_latency;
Gtk::Label lbl_monitor_model;
Gtk::Label lbl_jack_msg;
Gtk::Label unit_samples_text;
Gtk::Label buffer_size_duration_label;
Gtk::Label have_control_text;
ArdourWidgets::ArdourButton control_app_button;
ArdourWidgets::ArdourButton midi_devices_button;
ArdourWidgets::ArdourButton start_stop_button;