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[ardour.git] / gtk2_ardour / lv2_plugin_ui.cc
index 572cdfb6716888731a220787d7e1530f8f2a8c25..f83adef40704e436344e1414ae63257f34f878eb 100644 (file)
@@ -17,6 +17,8 @@
     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
+#include <gtkmm/stock.h>
+
 #include "ardour/lv2_plugin.h"
 #include "ardour/session.h"
 #include "pbd/error.h"
 #include "lv2_plugin_ui.h"
 #include "timers.h"
 
+#include "gtkmm2ext/utils.h"
+
 #include "lv2/lv2plug.in/ns/extensions/ui/ui.h"
 
 #include <lilv/lilv.h>
 #include <suil/suil.h>
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace ARDOUR;
 using namespace Gtk;
@@ -59,7 +63,7 @@ LV2PluginUI::write_from_ui(void*       controller,
                me->_updates.insert (port_index);
 
                if (ac) {
-                       ac->set_value(*(const float*)buffer);
+                       ac->set_value(*(const float*)buffer, Controllable::NoGroup);
                }
        } else if (format == URIMap::instance().urids.atom_eventTransfer) {
 
@@ -100,13 +104,90 @@ LV2PluginUI::touch(void*    controller,
        if (port_index >= me->_controllables.size()) {
                return;
        }
+       if (!me->_lv2->parameter_is_control(port_index) || !me->_lv2->parameter_is_input(port_index)) {
+               return;
+       }
 
        ControllableRef control = me->_controllables[port_index];
        if (grabbed) {
-               control->start_touch(control->session().transport_frame());
+               control->start_touch(control->session().transport_sample());
        } else {
-               control->stop_touch(false, control->session().transport_frame());
+               control->stop_touch(control->session().transport_sample());
+       }
+}
+
+void
+LV2PluginUI::set_path_property (int response,
+                                const ParameterDescriptor& desc,
+                                Gtk::FileChooserDialog*    widget)
+{
+       if (response == Gtk::RESPONSE_ACCEPT) {
+               plugin->set_property (desc.key, Variant (Variant::PATH, widget->get_filename()));
+       }
+#if 0
+       widget->hide ();
+       delete_when_idle (widget);
+#else
+       delete widget;
+#endif
+       active_parameter_requests.erase (desc.key);
+}
+
+uint32_t
+LV2PluginUI::request_parameter (void* handle, LV2_URID key)
+{
+       LV2PluginUI* me = (LV2PluginUI*)handle;
+
+       /* This will return `PropertyDescriptors nothing` when not found */
+       const ParameterDescriptor& desc (me->_lv2->get_property_descriptor(key));
+       if (desc.datatype != Variant::PATH) {
+               return 0;
        }
+
+#if 0 // MODAL, blocking
+
+       Gtk::FileChooserDialog* lv2ui_file_dialog (desc.label, FILE_CHOOSER_ACTION_OPEN);
+       Gtkmm2ext::add_volume_shortcuts (lv2ui_file_dialog);
+       lv2ui_file_dialog.add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+       lv2ui_file_dialog.add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
+       lv2ui_file_dialog.set_default_response(Gtk::RESPONSE_ACCEPT);
+       if (_file_dialog.run()= Gtk::RESPONSE_ACCEPT) {
+               me->plugin->set_property (desc.key, Variant(Variant::PATH, lv2ui_file_dialog.get_filename()));
+       }
+       return 0;
+
+#else
+
+       if (me->active_parameter_requests.find (key) != me->active_parameter_requests.end()) {
+               return 0; /* already showing dialog */
+       }
+       me->active_parameter_requests.insert (key);
+
+       Gtk::FileChooserDialog* lv2ui_file_dialog = new Gtk::FileChooserDialog(desc.label, FILE_CHOOSER_ACTION_OPEN);
+       Gtkmm2ext::add_volume_shortcuts (*lv2ui_file_dialog);
+       lv2ui_file_dialog->add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
+       lv2ui_file_dialog->add_button (Gtk::Stock::OPEN, Gtk::RESPONSE_ACCEPT);
+       lv2ui_file_dialog->set_default_response(Gtk::RESPONSE_ACCEPT);
+
+       /* this assumes  announce_property_values() was called, or
+        * the plugin has previously sent a patch:Set */
+       const Variant& value = me->_lv2->get_property_value (desc.key);
+       if (value.type() == Variant::PATH) {
+               lv2ui_file_dialog->set_filename (value.get_path());
+       }
+
+#if 0 // TODO mime-type, file-extension filter, get from LV2 Parameter Property
+       FileFilter file_ext_filter;
+       file_ext_filter.add_pattern ("*.foo");
+       file_ext_filter.set_name ("Foo File");
+       lv2ui_file_dialog.add_filter (file_ext_filter);
+#endif
+
+       lv2ui_file_dialog->signal_response().connect (sigc::bind (sigc::mem_fun (*me, &LV2PluginUI::set_path_property), desc, lv2ui_file_dialog));
+       lv2ui_file_dialog->present();
+       return 0;
+
+#endif
 }
 
 void
@@ -140,11 +221,9 @@ LV2PluginUI::control_changed (uint32_t port_index)
 bool
 LV2PluginUI::start_updating(GdkEventAny*)
 {
-       if (!_output_ports.empty()) {
-               _screen_update_connection.disconnect();
-               _screen_update_connection = Timers::super_rapid_connect
-                       (sigc::mem_fun(*this, &LV2PluginUI::output_update));
-       }
+       _screen_update_connection.disconnect();
+       _screen_update_connection = Timers::super_rapid_connect
+               (sigc::mem_fun(*this, &LV2PluginUI::output_update));
        return false;
 }
 
@@ -152,11 +231,21 @@ bool
 LV2PluginUI::stop_updating(GdkEventAny*)
 {
        //cout << "stop_updating" << endl;
+       _screen_update_connection.disconnect();
+       return false;
+}
 
-       if (!_output_ports.empty()) {
-               _screen_update_connection.disconnect();
+void
+LV2PluginUI::queue_port_update()
+{
+       const uint32_t num_ports = _lv2->num_ports();
+       for (uint32_t i = 0; i < num_ports; ++i) {
+               bool     ok;
+               uint32_t port = _lv2->nth_parameter(i, ok);
+               if (ok) {
+                       _updates.insert (port);
+               }
        }
-       return false;
 }
 
 void
@@ -227,12 +316,17 @@ LV2PluginUI::LV2PluginUI(boost::shared_ptr<PluginInsert> pi,
        _ardour_buttons_box.set_border_width (6);
        _ardour_buttons_box.pack_end (focus_button, false, false);
        _ardour_buttons_box.pack_end (bypass_button, false, false, 4);
-       _ardour_buttons_box.pack_end (reset_button, false, false, 4);
+       if (pi->controls().size() > 0) {
+               _ardour_buttons_box.pack_end (reset_button, false, false, 4);
+       }
        _ardour_buttons_box.pack_end (delete_button, false, false);
        _ardour_buttons_box.pack_end (save_button, false, false);
        _ardour_buttons_box.pack_end (add_button, false, false);
        _ardour_buttons_box.pack_end (_preset_combo, false, false);
        _ardour_buttons_box.pack_end (_preset_modified, false, false);
+       _ardour_buttons_box.pack_end (pin_management_button, false, false);
+
+       plugin->PresetLoaded.connect (*this, invalidator (*this), boost::bind (&LV2PluginUI::queue_port_update, this), gui_context ());
 }
 
 void
@@ -243,9 +337,27 @@ LV2PluginUI::lv2ui_instantiate(const std::string& title)
        LV2_Feature** features       = const_cast<LV2_Feature**>(_lv2->features());
        size_t        features_count = 0;
        while (*features++) {
-               features_count++;
+               ++features_count;
+       }
+
+       if (is_external_ui) {
+               features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * (features_count + 4));
+       } else {
+               features = (LV2_Feature**)malloc(sizeof(LV2_Feature*) * (features_count + 3));
+       }
+
+       size_t fi = 0;
+       for (; fi < features_count; ++fi) {
+               features[fi] = features_src[fi];
        }
 
+       _lv2ui_request_paramater.handle = this;
+       _lv2ui_request_paramater.request = LV2PluginUI::request_parameter;
+       _lv2ui_request_feature.URI  = LV2_UI_PREFIX "requestParameter";
+       _lv2ui_request_feature.data = &_lv2ui_request_paramater;
+
+       features[fi++] = &_lv2ui_request_feature;
+
        Gtk::Alignment* container = NULL;
        if (is_external_ui) {
                _external_ui_host.ui_closed       = LV2PluginUI::on_external_ui_closed;
@@ -257,15 +369,8 @@ LV2PluginUI::lv2ui_instantiate(const std::string& title)
                _external_kxui_feature.URI  = LV2_EXTERNAL_UI_KX__Host;
                _external_kxui_feature.data = &_external_ui_host;
 
-               ++features_count;
-               features = (LV2_Feature**)malloc(
-                       sizeof(LV2_Feature*) * (features_count + 2));
-               for (size_t i = 0; i < features_count - 2; ++i) {
-                       features[i] = features_src[i];
-               }
-               features[features_count - 2] = &_external_kxui_feature;
-               features[features_count - 1] = &_external_ui_feature;
-               features[features_count]     = NULL;
+               features[fi++] = &_external_kxui_feature;
+               features[fi++] = &_external_ui_feature;
        } else {
                if (_ardour_buttons_box.get_parent()) {
                        _ardour_buttons_box.get_parent()->remove(_ardour_buttons_box);
@@ -280,16 +385,12 @@ LV2PluginUI::lv2ui_instantiate(const std::string& title)
                _parent_feature.URI  = LV2_UI__parent;
                _parent_feature.data = _gui_widget->gobj();
 
-               ++features_count;
-               features = (LV2_Feature**)malloc(
-                       sizeof(LV2_Feature*) * (features_count + 1));
-               for (size_t i = 0; i < features_count - 1; ++i) {
-                       features[i] = features_src[i];
-               }
-               features[features_count - 1] = &_parent_feature;
-               features[features_count]     = NULL;
+               features[fi++] = &_parent_feature;
        }
 
+       features[fi] = NULL;
+       assert (fi == features_count + (is_external_ui ? 3 : 2));
+
        if (!ui_host) {
                ui_host = suil_host_new(LV2PluginUI::write_from_ui,
                                        LV2PluginUI::port_index,