MidiGhostRegion micro-optimisation.
[ardour.git] / gtk2_ardour / engine_dialog.cc
index 6f6d31ff182b3ab044953679c23a47667f471d85..4dc806763fcea6751f0bffddd5a9d6981a625eaf 100644 (file)
 #include "ardour_ui.h"
 #include "engine_dialog.h"
 #include "gui_thread.h"
+#include "ui_config.h"
+#include "public_editor.h"
 #include "utils.h"
-#include "i18n.h"
+#include "pbd/i18n.h"
+#include "splash.h"
 
 using namespace std;
 using namespace Gtk;
@@ -276,6 +279,7 @@ EngineControl::EngineControl ()
        start_stop_button.set_sensitive (false);
        start_stop_button.set_name ("generic button");
        start_stop_button.set_can_focus(true);
+       start_stop_button.set_can_default(true);
 
        update_devices_button.signal_clicked.connect (mem_fun (*this, &EngineControl::update_devices_button_clicked));
        update_devices_button.set_sensitive (false);
@@ -287,9 +291,6 @@ EngineControl::EngineControl ()
        use_buffered_io_button.set_name ("generic button");
        use_buffered_io_button.set_can_focus(true);
 
-       cancel_button = add_button (Gtk::Stock::CLOSE, Gtk::RESPONSE_CANCEL);
-       ok_button = add_button (Gtk::Stock::OK, Gtk::RESPONSE_OK);
-
        /* Pick up any existing audio setup configuration, if appropriate */
 
        XMLNode* audio_setup = ARDOUR::Config->extra_xml ("AudioMIDISetup");
@@ -415,12 +416,28 @@ void
 EngineControl::on_show ()
 {
        ArdourDialog::on_show ();
+       if (Splash::instance()) {
+               Splash::instance()->hide ();
+       }
        if (!ARDOUR::AudioEngine::instance()->current_backend() || !ARDOUR::AudioEngine::instance()->running()) {
                // re-check _have_control (jackd running) see #6041
                backend_changed ();
        }
        device_changed ();
-       ok_button->grab_focus();
+       start_stop_button.grab_focus();
+}
+
+void
+EngineControl::on_map ()
+{
+       if (!ARDOUR_UI::instance()->session_loaded && !PublicEditor::_instance) {
+               set_type_hint (Gdk::WINDOW_TYPE_HINT_NORMAL);
+       } else if (UIConfiguration::instance().get_all_floating_windows_are_dialogs()) {
+               set_type_hint (Gdk::WINDOW_TYPE_HINT_DIALOG);
+       } else {
+               set_type_hint (Gdk::WINDOW_TYPE_HINT_UTILITY);
+       }
+       ArdourDialog::on_map ();
 }
 
 bool
@@ -459,49 +476,6 @@ EngineControl::stop_engine (bool for_latency)
        return true;
 }
 
-void
-EngineControl::on_response (int response_id)
-{
-       ArdourDialog::on_response (response_id);
-
-       switch (response_id) {
-       case RESPONSE_OK:
-               if (!start_engine()) {
-                       return;
-               } else {
-                       hide();
-               }
-#ifdef PLATFORM_WINDOWS
-
-               // But if there's no session open, this can produce
-               // a long gap when nothing appears to be happening.
-               // Let's show the splash image while we're waiting.
-               if (!ARDOUR_COMMAND_LINE::no_splash) {
-                       if (ARDOUR_UI::instance()) {
-                               if (!ARDOUR_UI::instance()->session_loaded) {
-                                       ARDOUR_UI::instance()->show_splash();
-                               }
-                       }
-               }
-#endif
-               break;
-       case RESPONSE_DELETE_EVENT: {
-               GdkEventButton ev;
-               ev.type = GDK_BUTTON_PRESS;
-               ev.button = 1;
-               on_delete_event((GdkEventAny*)&ev);
-               break;
-       }
-       case RESPONSE_CANCEL:
-               if (ARDOUR_UI::instance() && ARDOUR_UI::instance()->session_loaded) {
-                       ARDOUR_UI::instance()->check_audioengine(*this);
-               }
-       // fall through
-       default:
-               hide();
-       }
-}
-
 void
 EngineControl::build_notebook ()
 {
@@ -798,7 +772,6 @@ EngineControl::update_sensitivity ()
 {
        boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
        if (!backend) {
-               ok_button->set_sensitive (false);
                start_stop_button.set_sensitive (false);
                return;
        }
@@ -852,11 +825,17 @@ EngineControl::update_sensitivity ()
        }
 
        if (get_popdown_string_count (sample_rate_combo) > 0) {
+               bool allow_to_set_rate = false;
                if (!ARDOUR::AudioEngine::instance()->running()) {
-                       sample_rate_combo.set_sensitive (true);
-               } else {
-                       sample_rate_combo.set_sensitive (false);
+                       if (!ARDOUR_UI::instance()->session_loaded) {
+                               // engine is not running, no session loaded -> anything goes.
+                               allow_to_set_rate = true;
+                       } else if (_desired_sample_rate > 0 && get_rate () != _desired_sample_rate) {
+                               // only allow to change if the current setting is not the native session rate.
+                               allow_to_set_rate = true;
+                       }
                }
+               sample_rate_combo.set_sensitive (allow_to_set_rate);
        } else {
                sample_rate_combo.set_sensitive (false);
                valid = false;
@@ -918,12 +897,6 @@ EngineControl::update_sensitivity ()
                        driver_combo.set_sensitive (false);
                }
        }
-
-       if (valid || !_have_control) {
-               ok_button->set_sensitive (true);
-       } else {
-               ok_button->set_sensitive (false);
-       }
 }
 
 void
@@ -1392,7 +1365,10 @@ EngineControl::set_samplerate_popdown_strings ()
        set_popdown_strings (sample_rate_combo, s);
 
        if (!s.empty()) {
-               if (desired.empty ()) {
+               if (ARDOUR::AudioEngine::instance()->running()) {
+                       sample_rate_combo.set_active_text (rate_as_string (backend->sample_rate()));
+               }
+               else if (desired.empty ()) {
                        float new_active_sr = backend->default_sample_rate ();
 
                        if (std::find (sr.begin (), sr.end (), new_active_sr) == sr.end ()) {
@@ -1583,6 +1559,24 @@ void
 EngineControl::input_device_changed ()
 {
        DEBUG_ECONTROL ("input_device_changed");
+
+       boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+       if (backend && backend->match_input_output_devices_or_none ()) {
+               const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
+
+               if (get_output_device_name () != dev_none
+                               && get_input_device_name () != dev_none
+                               && get_input_device_name () != get_output_device_name ()) {
+                       block_changed_signals ();
+                       if (contains_value (output_device_combo, get_input_device_name ())) {
+                               output_device_combo.set_active_text (get_input_device_name ());
+                       } else {
+                               assert (contains_value (output_device_combo, dev_none));
+                               output_device_combo.set_active_text (dev_none);
+                       }
+                       unblock_changed_signals ();
+               }
+       }
        device_changed ();
 }
 
@@ -1590,18 +1584,30 @@ void
 EngineControl::output_device_changed ()
 {
        DEBUG_ECONTROL ("output_device_changed");
+       boost::shared_ptr<ARDOUR::AudioBackend> backend = ARDOUR::AudioEngine::instance()->current_backend();
+       if (backend && backend->match_input_output_devices_or_none ()) {
+               const std::string& dev_none = ARDOUR::AudioBackend::get_standard_device_name (ARDOUR::AudioBackend::DeviceNone);
+
+               if (get_input_device_name () != dev_none
+                               && get_input_device_name () != dev_none
+                               && get_input_device_name () != get_output_device_name ()) {
+                       block_changed_signals ();
+                       if (contains_value (input_device_combo, get_output_device_name ())) {
+                               input_device_combo.set_active_text (get_output_device_name ());
+                       } else {
+                               assert (contains_value (input_device_combo, dev_none));
+                               input_device_combo.set_active_text (dev_none);
+                       }
+                       unblock_changed_signals ();
+               }
+       }
        device_changed ();
 }
 
 string
 EngineControl::bufsize_as_string (uint32_t sz)
 {
-       /* Translators: "samples" is always plural here, so no
-          need for plural+singular forms.
-        */
-       char buf[64];
-       snprintf (buf, sizeof (buf), "%u %s", sz, P_("sample", "samples", sz));
-       return buf;
+       return string_compose (P_("%1 sample", "%1 samples", sz), sz);
 }
 
 string
@@ -1900,7 +1906,7 @@ EngineControl::maybe_display_saved_state ()
 XMLNode&
 EngineControl::get_state ()
 {
-       LocaleGuard lg ();
+       LocaleGuard lg;
 
        XMLNode* root = new XMLNode ("AudioMIDISetup");
        std::string path;
@@ -1974,8 +1980,6 @@ EngineControl::set_state (const XMLNode& root)
        XMLNode const * grandchild;
        XMLProperty const * prop = NULL;
 
-       fprintf (stderr, "EngineControl::set_state\n");
-
        if (root.name() != "AudioMIDISetup") {
                return false;
        }
@@ -2242,7 +2246,9 @@ EngineControl::set_current_state (const State& state)
        device_combo.set_active_text (state->device);
        input_device_combo.set_active_text (state->input_device);
        output_device_combo.set_active_text (state->output_device);
-       sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+       if (!_desired_sample_rate) {
+               sample_rate_combo.set_active_text (rate_as_string (state->sample_rate));
+       }
        set_active_text_if_present (buffer_size_combo, bufsize_as_string (state->buffer_size));
        set_active_text_if_present (nperiods_combo, nperiods_as_string (state->n_periods));
        input_latency.set_value (state->input_latency);
@@ -2367,6 +2373,8 @@ EngineControl::push_state_to_backend (bool start)
                        change_channels = true;
                        change_latency = true;
                        change_midi = true;
+                       change_buffered_io = backend->can_use_buffered_io();
+                       change_channels = true;
                        change_nperiods = backend->can_set_period_size() && get_popdown_string_count (nperiods_combo) > 0;
                }
 
@@ -2428,7 +2436,7 @@ EngineControl::push_state_to_backend (bool start)
        if (change_driver || change_device || change_channels || change_nperiods ||
                        (change_latency && !backend->can_change_systemic_latency_when_running ()) ||
                        (change_rate && !backend->can_change_sample_rate_when_running()) ||
-                       change_midi ||
+                       change_midi || change_buffered_io ||
                        (change_bufsize && !backend->can_change_buffer_size_when_running())) {
                restart_required = true;
        } else {
@@ -2717,7 +2725,16 @@ EngineControl::start_stop_button_clicked ()
        if (ARDOUR::AudioEngine::instance()->running()) {
                ARDOUR::AudioEngine::instance()->stop ();
        } else {
+               if (!ARDOUR_UI::instance()->session_loaded) {
+                       hide ();
+               }
                start_engine ();
+               if (!ARDOUR_UI::instance()->session_loaded) {
+                       ArdourDialog::on_response (RESPONSE_OK);
+                       if (Splash::instance()) {
+                               Splash::instance()->pop_front ();
+                       }
+               }
        }
 }
 
@@ -2782,12 +2799,8 @@ void
 EngineControl::on_switch_page (GtkNotebookPage*, guint page_num)
 {
        if (page_num == 0) {
-               cancel_button->set_sensitive (true);
                _measure_midi.reset();
                update_sensitivity ();
-       } else {
-               cancel_button->set_sensitive (false);
-               ok_button->set_sensitive (false);
        }
 
        if (page_num == midi_tab) {
@@ -3128,7 +3141,16 @@ EngineControl::connect_disconnect_click()
        if (ARDOUR::AudioEngine::instance()->running()) {
                stop_engine ();
        } else {
+               if (!ARDOUR_UI::instance()->session_loaded) {
+                       hide ();
+               }
                start_engine ();
+               if (!ARDOUR_UI::instance()->session_loaded) {
+                       ArdourDialog::on_response (RESPONSE_OK);
+                       if (Splash::instance()) {
+                               Splash::instance()->pop_front ();
+                       }
+               }
        }
 }