Do not constrain vertical size without need
[ardour.git] / gtk2_ardour / generic_pluginui.cc
index f98b483d50871236de6d408a8ddf812e594250f9..f7b30e2d18a5b8877007f99c7424df243302c170 100644 (file)
@@ -28,6 +28,7 @@
 #include <vector>
 
 #include "pbd/stl_delete.h"
+#include "pbd/unwind.h"
 #include "pbd/xml++.h"
 #include "pbd/failed_constructor.h"
 
 #include "ardour/session.h"
 #include "ardour/value_as_string.h"
 
-#include "ardour_spinner.h"
 #include "prompter.h"
 #include "plugin_ui.h"
 #include "gui_thread.h"
 #include "automation_controller.h"
+#include "ardour_knob.h"
+#include "gain_meter.h"
 #include "timers.h"
 #include "tooltips.h"
 #include "ui_config.h"
 
-#include "i18n.h"
+#include "pbd/i18n.h"
 
 using namespace std;
 using namespace ARDOUR;
@@ -63,11 +65,6 @@ using namespace ARDOUR_UI_UTILS;
 
 GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrollable)
        : PlugUIBase (pi)
-       , button_table (initial_button_rows, initial_button_cols)
-       , output_table (initial_output_rows, initial_output_cols)
-       , hAdjustment(0.0, 0.0, 0.0)
-       , vAdjustment(0.0, 0.0, 0.0)
-       , scroller_view(hAdjustment, vAdjustment)
        , automation_menu (0)
        , is_scrollable(scrollable)
 {
@@ -90,6 +87,7 @@ GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrol
        set_latency_label ();
 
        smaller_hbox->pack_start (latency_button, false, false, 4);
+       smaller_hbox->pack_start (pin_management_button, false, false, 4);
        smaller_hbox->pack_start (_preset_combo, false, false);
        smaller_hbox->pack_start (_preset_modified, false, false);
        smaller_hbox->pack_start (add_button, false, false);
@@ -137,15 +135,12 @@ GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrol
 
        main_contents.pack_start (*constraint_hbox, false, false);
 
-       if (is_scrollable ) {
-               scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
-               scroller.set_name ("PluginEditor");
-               scroller_view.set_name("PluginEditor");
-               scroller_view.add (hpacker);
-               scroller.add (scroller_view);
-
-               main_contents.pack_start (scroller, true, true);
-
+       if (is_scrollable) {
+               Gtk::ScrolledWindow *scroller = manage (new Gtk::ScrolledWindow());
+               scroller->set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
+               scroller->set_name ("PluginEditor");
+               scroller->add (hpacker);
+               main_contents.pack_start (*scroller, true, true);
        } else {
                main_contents.pack_start (hpacker, false, false);
        }
@@ -156,6 +151,15 @@ GenericPluginUI::GenericPluginUI (boost::shared_ptr<PluginInsert> pi, bool scrol
 
        prefheight = 0;
        build ();
+
+       /* Listen for property changes that are not notified normally because
+        * AutomationControl has only support for numeric values currently.
+        * The only case is Variant::PATH for now */
+       plugin->PropertyChanged.connect(*this, invalidator(*this),
+                                       boost::bind(&GenericPluginUI::path_property_changed, this, _1, _2),
+                                       gui_context());
+
+       main_contents.show ();
 }
 
 GenericPluginUI::~GenericPluginUI ()
@@ -217,58 +221,11 @@ static const float default_similarity_threshold = 0.3;
 void
 GenericPluginUI::build ()
 {
-       guint32 i = 0;
-       guint32 x = 0;
-       Frame* frame;
-       Frame* bt_frame;
-       VBox* box;
-       int output_row, output_col;
-       int button_row, button_col;
-       int output_rows, output_cols;
-       int button_rows, button_cols;
-
-       hpacker.set_spacing (10);
-
-       output_rows = initial_output_rows;
-       output_cols = initial_output_cols;
-       button_rows = initial_button_rows;
-       button_cols = initial_button_cols;
-       output_row = 0;
-       button_row = 0;
-       output_col = 0;
-       button_col = 0;
-
-       button_table.set_homogeneous (false);
-       button_table.set_row_spacings (2);
-       button_table.set_col_spacings (2);
-       output_table.set_homogeneous (true);
-       output_table.set_row_spacings (2);
-       output_table.set_col_spacings (2);
-       button_table.set_border_width (5);
-       output_table.set_border_width (5);
-
-       hpacker.set_border_width (10);
-
-       bt_frame = manage (new Frame);
-       bt_frame->set_name ("BaseFrame");
-       bt_frame->set_label (_("Switches"));
-       bt_frame->add (button_table);
-       hpacker.pack_start(*bt_frame, true, true);
-
-       box = manage (new VBox);
-       box->set_border_width (5);
-       box->set_spacing (1);
-
-       frame = manage (new Frame);
-       frame->set_name ("BaseFrame");
-       frame->set_label (_("Controls"));
-       frame->add (*box);
-       hpacker.pack_start(*frame, true, true);
-
        std::vector<ControlUI *> control_uis;
+       bool grid = true;
 
        // Build a ControlUI for each control port
-       for (i = 0; i < plugin->parameter_count(); ++i) {
+       for (size_t i = 0; i < plugin->parameter_count(); ++i) {
 
                if (plugin->parameter_is_control (i)) {
 
@@ -286,6 +243,11 @@ GenericPluginUI::build ()
                        const float value = plugin->get_parameter(i);
 
                        ControlUI* cui;
+                       Plugin::UILayoutHint hint;
+
+                       if (!plugin->get_layout(i, hint)) {
+                               grid = false;
+                       }
 
                        boost::shared_ptr<ARDOUR::AutomationControl> c
                                = boost::dynamic_pointer_cast<ARDOUR::AutomationControl>(
@@ -293,18 +255,24 @@ GenericPluginUI::build ()
 
                        ParameterDescriptor desc;
                        plugin->get_parameter_descriptor(i, desc);
-                       if ((cui = build_control_ui (param, desc, c, value, plugin->parameter_is_input(i))) == 0) {
+                       if ((cui = build_control_ui (param, desc, c, value, plugin->parameter_is_input(i), hint.knob)) == 0) {
                                error << string_compose(_("Plugin Editor: could not build control element for port %1"), i) << endmsg;
                                continue;
                        }
 
+                       if (grid) {
+                               cui->x0 = hint.x0;
+                               cui->x1 = hint.x1;
+                               cui->y0 = hint.y0;
+                               cui->y1 = hint.y1;
+                       }
+
                        const std::string param_docs = plugin->get_parameter_docs(i);
                        if (!param_docs.empty()) {
                                set_tooltip(cui, param_docs.c_str());
                        }
 
                        control_uis.push_back(cui);
-                       input_controls_with_automation.push_back (cui);
                }
        }
 
@@ -336,9 +304,86 @@ GenericPluginUI::build ()
                plugin->announce_property_values();
        }
 
+       if (grid) {
+               custom_layout (control_uis);
+       } else {
+               automatic_layout (control_uis);
+       }
+
+       output_update ();
+
+       automation_manual_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Off));
+       automation_play_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Play));
+       automation_write_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Write));
+       automation_touch_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Touch));
+
+       /* XXX This is a workaround for AutomationControl not knowing about preset loads */
+       plugin->PresetLoaded.connect (*this, invalidator (*this), boost::bind (&GenericPluginUI::update_input_displays, this), gui_context ());
+}
+
+
+void
+GenericPluginUI::automatic_layout (const std::vector<ControlUI*>& control_uis)
+{
+       guint32 x = 0;
+
+       static const int32_t initial_button_rows = 12;
+       static const int32_t initial_button_cols = 1;
+       static const int32_t initial_output_rows = 1;
+       static const int32_t initial_output_cols = 4;
+
+       Gtk::Table* button_table = manage (new Gtk::Table (initial_button_rows, initial_button_cols));
+       Gtk::Table* output_table = manage (new Gtk::Table (initial_output_rows, initial_output_cols));
+
+       Frame* frame;
+       Frame* bt_frame;
+       VBox* box;
+       int output_row, output_col;
+       int button_row, button_col;
+       int output_rows, output_cols;
+       int button_rows, button_cols;
+
+       hpacker.set_spacing (10);
+       hpacker.set_border_width (10);
+
+       output_rows = initial_output_rows;
+       output_cols = initial_output_cols;
+       button_rows = initial_button_rows;
+       button_cols = initial_button_cols;
+       output_row = 0;
+       button_row = 0;
+       output_col = 0;
+       button_col = 0;
+
+       button_table->set_homogeneous (false);
+       button_table->set_row_spacings (2);
+       button_table->set_col_spacings (2);
+       output_table->set_homogeneous (true);
+       output_table->set_row_spacings (2);
+       output_table->set_col_spacings (2);
+       button_table->set_border_width (5);
+       output_table->set_border_width (5);
+
+
+       bt_frame = manage (new Frame);
+       bt_frame->set_name ("BaseFrame");
+       bt_frame->set_label (_("Switches"));
+       bt_frame->add (*button_table);
+       hpacker.pack_start(*bt_frame, true, true);
+
+       box = manage (new VBox);
+       box->set_border_width (5);
+       box->set_spacing (1);
+
+       frame = manage (new Frame);
+       frame->set_name ("BaseFrame");
+       frame->set_label (_("Controls"));
+       frame->add (*box);
+       hpacker.pack_start(*frame, true, true);
+
        // Add special controls to UI, and build list of normal controls to be layed out later
        std::vector<ControlUI *> cui_controls_list;
-       for (i = 0; i < control_uis.size(); ++i) {
+       for (size_t i = 0; i < control_uis.size(); ++i) {
                ControlUI* cui = control_uis[i];
 
                if (cui->button || cui->file_button) {
@@ -347,11 +392,11 @@ GenericPluginUI::build ()
                                button_row = 0;
                                if (++button_col == button_cols) {
                                        button_cols += 2;
-                                       button_table.resize (button_rows, button_cols);
+                                       button_table->resize (button_rows, button_cols);
                                }
                        }
 
-                       button_table.attach (*cui, button_col, button_col + 1, button_row, button_row+1,
+                       button_table->attach (*cui, button_col, button_col + 1, button_row, button_row+1,
                                             FILL|EXPAND, FILL);
                        button_row++;
 
@@ -362,14 +407,14 @@ GenericPluginUI::build ()
 
                } else if (cui->display) {
 
-                       output_table.attach (*cui, output_col, output_col + 1, output_row, output_row+1,
+                       output_table->attach (*cui, output_col, output_col + 1, output_row, output_row+1,
                                             FILL|EXPAND, FILL);
 
                        // TODO: The meters should be divided into multiple rows
 
                        if (++output_col == output_cols) {
                                output_cols ++;
-                               output_table.resize (output_rows, output_cols);
+                               output_table->resize (output_rows, output_cols);
                        }
                }
        }
@@ -383,7 +428,7 @@ GenericPluginUI::build ()
        std::vector<float> similarity_scores(cui_controls_list.size());
        float most_similar = 0.0, least_similar = 1.0;
 
-       i = 0;
+       size_t i = 0;
        for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
                label = (*cuip)->label.get_text();
                numbers_in_labels[i] = get_number(label);
@@ -463,35 +508,54 @@ GenericPluginUI::build ()
                hpacker.remove (*frame);
        }
 
-       if (button_table.children().empty()) {
+       if (button_table->children().empty()) {
                hpacker.remove (*bt_frame);
+               delete button_table;
+       } else {
+               button_table->show_all ();
        }
 
-       if (!output_table.children().empty()) {
+       if (!output_table->children().empty()) {
                frame = manage (new Frame);
                frame->set_name ("BaseFrame");
                frame->set_label(_("Meters"));
-               frame->add (output_table);
+               frame->add (*output_table);
                hpacker.pack_end (*frame, true, true);
+               output_table->show_all ();
+       } else {
+               delete output_table;
        }
+}
 
-       output_update ();
-
-       output_table.show_all ();
-       button_table.show_all ();
+void
+GenericPluginUI::custom_layout (const std::vector<ControlUI*>& control_uis)
+{
+       Gtk::Table* layout = manage (new Gtk::Table ());
 
-       automation_manual_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Off));
-       automation_play_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Play));
-       automation_write_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Write));
-       automation_touch_all_button.signal_clicked.connect(sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::set_all_automation), ARDOUR::Touch));
+       for (vector<ControlUI*>::const_iterator i = control_uis.begin(); i != control_uis.end(); ++i) {
+               ControlUI* cui = *i;
+               if (cui->x0 < 0 || cui->y0 < 0) {
+                       continue;
+               }
+               layout->attach (*cui, cui->x0, cui->x1, cui->y0, cui->y1, FILL, SHRINK, 2, 2);
+       }
+       hpacker.pack_start (*layout, true, true);
 }
 
 GenericPluginUI::ControlUI::ControlUI (const Evoral::Parameter& p)
        : param(p)
        , automate_button (X_("")) // force creation of a label
-       , file_button(NULL)
+       , combo (0)
+       , clickbox (0)
+       , file_button (0)
+       , spin_box (0)
+       , display (0)
+       , hbox (0)
+       , vbox (0)
+       , meterinfo (0)
+       , knobtable (0)
 {
-       automate_button.set_name ("PluginAutomateButton");
+       automate_button.set_name ("plugin automation state button");
        set_tooltip (automate_button, _("Automation control"));
 
        /* XXX translators: use a string here that will be at least as long
@@ -499,13 +563,13 @@ GenericPluginUI::ControlUI::ControlUI (const Evoral::Parameter& p)
           below). be sure to include a descender.
        */
 
-       set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
+       automate_button.set_sizing_text(_("Mgnual"));
 
-       ignore_change = 0;
-       display = 0;
+       ignore_change = false;
+       update_pending = false;
        button = false;
-       clickbox = 0;
-       meterinfo = 0;
+
+       x0 = x1 = y0 = y1 = -1;
 }
 
 GenericPluginUI::ControlUI::~ControlUI()
@@ -523,21 +587,32 @@ GenericPluginUI::automation_state_changed (ControlUI* cui)
 
        // don't lock to avoid deadlock because we're triggered by
        // AutomationControl::Changed() while the automation lock is taken
-       switch (insert->get_parameter_automation_state (cui->parameter()) & (ARDOUR::Off|Play|Touch|Write)) {
+
+       AutoState state = insert->get_parameter_automation_state (cui->parameter());
+
+       cui->automate_button.set_active((state != ARDOUR::Off));
+
+       if (cui->knobtable) {
+               cui->automate_button.set_text (
+                               GainMeterBase::astate_string (state));
+               return;
+       }
+
+       switch (state & (ARDOUR::Off|Play|Touch|Write)) {
        case ARDOUR::Off:
-               cui->automate_button.set_label (S_("Automation|Manual"));
+               cui->automate_button.set_text (S_("Automation|Manual"));
                break;
        case Play:
-               cui->automate_button.set_label (_("Play"));
+               cui->automate_button.set_text (_("Play"));
                break;
        case Write:
-               cui->automate_button.set_label (_("Write"));
+               cui->automate_button.set_text (_("Write"));
                break;
        case Touch:
-               cui->automate_button.set_label (_("Touch"));
+               cui->automate_button.set_text (_("Touch"));
                break;
        default:
-               cui->automate_button.set_label (_("???"));
+               cui->automate_button.set_text (_("???"));
                break;
        }
 }
@@ -576,24 +651,59 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
                                    const ParameterDescriptor&           desc,
                                    boost::shared_ptr<AutomationControl> mcontrol,
                                    float                                value,
-                                   bool                                 is_input)
+                                   bool                                 is_input,
+                                   bool                                 use_knob)
 {
        ControlUI* control_ui = 0;
 
        control_ui = manage (new ControlUI (param));
        control_ui->combo = 0;
        control_ui->control = mcontrol;
-       control_ui->update_pending = false;
        control_ui->label.set_text (desc.label);
        control_ui->label.set_alignment (0.0, 0.5);
        control_ui->label.set_name ("PluginParameterLabel");
-
        control_ui->set_spacing (5);
 
        Gtk::Requisition req (control_ui->automate_button.size_request());
 
        if (is_input) {
 
+               if (desc.datatype == Variant::PATH) {
+
+                       /* We shouldn't get that type for input ports */
+                       assert(param.type() == PluginPropertyAutomation);
+
+                       /* Build a file selector button */
+
+                       // Create/add controller
+                       control_ui->file_button = manage(new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_OPEN));
+                       control_ui->file_button->set_title(desc.label);
+
+                       if (use_knob) {
+                               control_ui->knobtable = manage (new Table());
+                               control_ui->pack_start(*control_ui->knobtable, true, false);
+                               control_ui->knobtable->attach (control_ui->label, 0, 1, 0, 1);
+                               control_ui->knobtable->attach (*control_ui->file_button, 0, 1, 1, 2);
+                       } else {
+                               control_ui->pack_start (control_ui->label, false, true);
+                               control_ui->pack_start (*control_ui->file_button, true, true);
+                       }
+
+                       // Monitor changes from the user.
+                       control_ui->file_button->signal_file_set().connect(
+                               sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::set_path_property),
+                                          desc, control_ui->file_button));
+
+                       /* Add the filebutton control to a map so that we can update it when
+                        * the corresponding property changes. This doesn't go through the usual
+                        * AutomationControls, because they don't support non-numeric values. */
+                       _filepath_controls.insert(std::make_pair(desc.key, control_ui->file_button));
+
+                       return control_ui;
+               }
+
+               assert(mcontrol);
+
                /* See if there any named values for our input value */
                control_ui->scale_points = desc.scale_points;
 
@@ -609,96 +719,132 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
                         *   b) This port is marked as being an enumeration.
                         */
 
-                       std::vector<std::string> labels;
-                       for (
-                               ARDOUR::ScalePoints::const_iterator i = control_ui->scale_points->begin();
-                               i != control_ui->scale_points->end();
-                               ++i) {
-
-                               labels.push_back(i->first);
+                       control_ui->combo = new ArdourDropdown();
+                       for (ARDOUR::ScalePoints::const_iterator i = control_ui->scale_points->begin();
+                            i != control_ui->scale_points->end();
+                            ++i) {
+                               control_ui->combo->AddMenuElem(Menu_Helpers::MenuElem(
+                                               i->first,
+                                               sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
+                                                          control_ui,
+                                                          i->second)));
                        }
 
-                       control_ui->combo = new Gtk::ComboBoxText();
-                       set_popdown_strings(*control_ui->combo, labels);
-                       control_ui->combo->signal_changed().connect(
-                               sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::control_combo_changed),
-                                           control_ui));
-                       mcontrol->Changed.connect(control_connections, invalidator(*this),
-                                                 boost::bind(&GenericPluginUI::ui_parameter_changed,
-                                                             this, control_ui),
-                                                 gui_context());
-                       control_ui->pack_start(control_ui->label, true, true);
-                       control_ui->pack_start(*control_ui->combo, false, true);
-
                        update_control_display(control_ui);
 
-                       return control_ui;
-               }
+               } else {
 
-               if (desc.datatype == Variant::PATH) {
+                       /* create the controller */
 
-                       /* Build a file selector button */
+                       /* XXX memory leak: SliderController not destroyed by ControlUI
+                        * destructor, and manage() reports object hierarchy
+                        * ambiguity.
+                        */
+                       control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), desc, mcontrol, use_knob);
 
-                       // Create/add controller
-                       control_ui->file_button = manage(new Gtk::FileChooserButton(Gtk::FILE_CHOOSER_ACTION_OPEN));
-                       control_ui->file_button->set_title(desc.label);
+                       /* Control UI's don't need the rapid timer workaround */
+                       control_ui->controller->stop_updating ();
 
-                       control_ui->pack_start (control_ui->label, false, true);
-                       control_ui->pack_start (*control_ui->file_button, true, true);
+                       /* XXX this code is not right yet, because it doesn't handle
+                          the absence of bounds in any sensible fashion.
+                       */
 
-                       // Connect signals (TODO: do this via the Control)
-                       control_ui->file_button->signal_file_set().connect(
-                               sigc::bind(sigc::mem_fun(*this, &GenericPluginUI::set_property),
-                                          desc, control_ui->file_button));
-                       plugin->PropertyChanged.connect(*this, invalidator(*this),
-                                                       boost::bind(&GenericPluginUI::property_changed, this, _1, _2),
-                                                       gui_context());
+                       Adjustment* adj = control_ui->controller->adjustment();
 
-                       _property_controls.insert(std::make_pair(desc.key, control_ui->file_button));
-                       control_ui->file_button = control_ui->file_button;
+                       if (desc.integer_step && !desc.toggled) {
+                               control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox", true);
+                               Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
+                               if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
+                                       control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::midinote_printer), control_ui));
+                               } else {
+                                       control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
+                               }
+                       } else if (desc.toggled) {
+                               ArdourButton* but = dynamic_cast<ArdourButton*> (control_ui->controller->widget());
+                               assert(but);
+                               but->set_tweaks(ArdourButton::Square);
+                       } else if (use_knob) {
+                               control_ui->controller->set_size_request (req.height * 1.5, req.height * 1.5);
+                       } else {
+                               control_ui->controller->set_size_request (200, -1);
+                               control_ui->controller->set_name (X_("ProcessorControlSlider"));
+                       }
 
-                       return control_ui;
-               }
+                       if (!desc.integer_step && !desc.toggled && use_knob) {
+                               control_ui->spin_box = manage (new ArdourSpinner (mcontrol, adj, insert));
+                       }
 
-               /* create the controller */
-               bool use_knob = false; // XXX TODO
+                       adj->set_value (mcontrol->internal_to_interface(value));
 
-               if (mcontrol) {
-                       control_ui->controller = AutomationController::create(insert, mcontrol->parameter(), desc, mcontrol, use_knob);
                }
 
-               /* XXX this code is not right yet, because it doesn't handle
-                  the absence of bounds in any sensible fashion.
-               */
-
-               Adjustment* adj = control_ui->controller->adjustment();
-
-               if (desc.integer_step && !desc.toggled) {
-                       control_ui->clickbox = new ClickBox (adj, "PluginUIClickBox", true);
-                       Gtkmm2ext::set_size_request_to_display_given_text (*control_ui->clickbox, "g9999999", 2, 2);
-                       if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
-                               control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::midinote_printer), control_ui));
+               if (use_knob) {
+                       control_ui->automate_button.set_sizing_text("M");
+
+                       control_ui->label.set_alignment (0.5, 0.5);
+                       control_ui->knobtable = manage (new Table());
+                       control_ui->pack_start(*control_ui->knobtable, true, true);
+
+                       if (control_ui->combo) {
+                               control_ui->knobtable->attach (control_ui->label, 0, 1, 0, 1);
+                               control_ui->knobtable->attach (*control_ui->combo, 0, 1, 1, 2);
+                       } else if (control_ui->clickbox) {
+                               control_ui->knobtable->attach (*control_ui->clickbox, 0, 2, 0, 1);
+                               control_ui->knobtable->attach (control_ui->label, 0, 1, 1, 2, FILL, SHRINK);
+                               control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 1, 2, SHRINK, SHRINK, 2, 0);
+                       } else if (control_ui->spin_box) {
+                               ArdourKnob* knob = dynamic_cast<ArdourKnob*>(control_ui->controller->widget ());
+                               knob->set_tooltip_prefix (desc.label + ": ");
+                               knob->set_printer (insert);
+                               Alignment *align = manage (new Alignment (.5, .5, 0, 0));
+                               align->add (*control_ui->controller);
+                               control_ui->knobtable->attach (*align, 0, 1, 0, 1, EXPAND, SHRINK, 1, 2);
+                               control_ui->knobtable->attach (*control_ui->spin_box, 0, 2, 1, 2);
+                               control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 0, 1, SHRINK, SHRINK, 2, 0);
+                       } else if (desc.toggled) {
+                               Alignment *align = manage (new Alignment (.5, .5, 0, 0));
+                               align->add (*control_ui->controller);
+                               control_ui->knobtable->attach (*align, 0, 2, 0, 1, EXPAND, SHRINK, 2, 2);
+                               control_ui->knobtable->attach (control_ui->label, 0, 1, 1, 2, FILL, SHRINK);
+                               control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 1, 2, SHRINK, SHRINK, 2, 0);
                        } else {
-                               control_ui->clickbox->set_printer (sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::integer_printer), control_ui));
+                               control_ui->knobtable->attach (*control_ui->controller, 0, 2, 0, 1);
+                               control_ui->knobtable->attach (control_ui->label, 0, 1, 1, 2, FILL, SHRINK);
+                               control_ui->knobtable->attach (control_ui->automate_button, 1, 2, 1, 2, SHRINK, SHRINK, 2, 0);
                        }
-               } else if (desc.toggled || use_knob) {
-                       control_ui->controller->set_size_request (req.height, req.height);
-               } else {
-                       //sigc::slot<void,char*,uint32_t> pslot = sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::print_parameter), (uint32_t) port_index);
 
-                       control_ui->controller->set_size_request (200, req.height);
-                       control_ui->controller->set_name (X_("ProcessorControlSlider"));
+               } else {
 
+                       control_ui->pack_start (control_ui->label, true, true);
+                       if (control_ui->combo) {
+                               control_ui->pack_start(*control_ui->combo, false, true);
+                       } else if (control_ui->clickbox) {
+                               control_ui->pack_start (*control_ui->clickbox, false, false);
+                       } else if (control_ui->spin_box) {
+                               control_ui->pack_start (*control_ui->spin_box, false, false);
+                               control_ui->pack_start (*control_ui->controller, false, false);
+                       } else {
+                               control_ui->pack_start (*control_ui->controller, false, false);
+                       }
+                       control_ui->pack_start (control_ui->automate_button, false, false);
                }
 
-               adj->set_value (mcontrol->internal_to_interface(value));
-
-               /* XXX memory leak: SliderController not destroyed by ControlUI
-                  destructor, and manage() reports object hierarchy
-                  ambiguity.
-               */
 
-               control_ui->pack_start (control_ui->label, true, true);
+               if (mcontrol->flags () & Controllable::NotAutomatable) {
+                       control_ui->automate_button.set_sensitive (false);
+                       set_tooltip(control_ui->automate_button, _("This control cannot be automated"));
+               } else {
+                       control_ui->automate_button.signal_button_press_event().connect (
+                                       sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::astate_button_event),
+                                                   control_ui),
+                                       false);
+                       mcontrol->alist()->automation_state_changed.connect (
+                                       control_connections,
+                                       invalidator (*this),
+                                       boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui),
+                                       gui_context());
+                       input_controls_with_automation.push_back (control_ui);
+               }
 
                if (desc.toggled) {
                        control_ui->button = true;
@@ -708,32 +854,13 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
                        update_control_display(control_ui);
                }
 
-               if (desc.integer_step && !desc.toggled) {
-                       control_ui->pack_start (*control_ui->clickbox, false, false);
-               } else {
-                       if (!desc.toggled && use_knob) {
-                               ArdourSpinner* spb = manage (new ArdourSpinner (mcontrol, adj, insert));
-                               control_ui->pack_start (*spb, false, false);
-                       }
-                       control_ui->pack_start (*control_ui->controller, false, false);
-               }
-
-               control_ui->pack_start (control_ui->automate_button, false, false);
-
-               if (mcontrol->flags () & Controllable::NotAutomatable) {
-                       control_ui->automate_button.set_sensitive (false);
-                       set_tooltip(control_ui->automate_button, _("This control cannot be automated"));
-               } else {
-                       control_ui->automate_button.signal_clicked().connect (sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::astate_clicked), control_ui));
-                       mcontrol->alist()->automation_state_changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::automation_state_changed, this, control_ui), gui_context());
-               }
-
                automation_state_changed (control_ui);
 
+               /* Add to the list of CUIs that need manual update to workaround
+                * AutomationControl not knowing about preset loads */
                input_controls.push_back (control_ui);
-               input_controls_with_automation.push_back (control_ui);
 
-       } else if (!is_input) {
+       } else {
 
                control_ui->display = manage (new EventBox);
                control_ui->display->set_name ("ParameterValueDisplay");
@@ -801,20 +928,28 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
        }
 
        if (mcontrol) {
-               mcontrol->Changed.connect (control_connections, invalidator (*this), boost::bind (&GenericPluginUI::ui_parameter_changed, this, control_ui), gui_context());
+               mcontrol->Changed.connect(control_connections, invalidator(*this),
+                                         boost::bind(&GenericPluginUI::ui_parameter_changed,
+                                                     this, control_ui),
+                                         gui_context());
        }
 
        return control_ui;
 }
 
-void
-GenericPluginUI::astate_clicked (ControlUI* cui)
+bool
+GenericPluginUI::astate_button_event (GdkEventButton* ev, ControlUI* cui)
 {
+       if (ev->button != 1) {
+               return true;
+       }
+
        using namespace Menu_Helpers;
 
        if (automation_menu == 0) {
                automation_menu = manage (new Menu);
                automation_menu->set_name ("ArdourContextMenu");
+               automation_menu->set_reserve_toggle_size(false);
        }
 
        MenuList& items (automation_menu->items());
@@ -829,7 +964,10 @@ GenericPluginUI::astate_clicked (ControlUI* cui)
        items.push_back (MenuElem (_("Touch"),
                                   sigc::bind (sigc::mem_fun(*this, &GenericPluginUI::set_automation_state), (AutoState) Touch, cui)));
 
-       automation_menu->popup (1, gtk_get_current_event_time());
+       anchored_menu_popup(automation_menu, &cui->automate_button, cui->automate_button.get_text(),
+                           1, ev->time);
+
+       return true;
 }
 
 void
@@ -866,12 +1004,12 @@ GenericPluginUI::update_control_display (ControlUI* cui)
 
        float val = cui->control->get_value();
 
-       cui->ignore_change++;
+       PBD::Unwinder<bool> (cui->ignore_change, true);
 
        if (cui->combo && cui->scale_points) {
                for (ARDOUR::ScalePoints::iterator it = cui->scale_points->begin(); it != cui->scale_points->end(); ++it) {
                        if (it->second == val) {
-                               cui->combo->set_active_text(it->first);
+                               cui->combo->set_text(it->first);
                                break;
                        }
                }
@@ -892,15 +1030,25 @@ GenericPluginUI::update_control_display (ControlUI* cui)
                        cui->adjustment->set_value (val);
                }
        }*/
-       cui->ignore_change--;
 }
 
 void
-GenericPluginUI::control_combo_changed (ControlUI* cui)
+GenericPluginUI::update_input_displays ()
+{
+       /* XXX This is a workaround for AutomationControl not knowing about preset loads */
+       for (vector<ControlUI*>::iterator i = input_controls.begin();
+            i != input_controls.end();
+            ++i) {
+               update_control_display(*i);
+       }
+       return;
+}
+
+void
+GenericPluginUI::control_combo_changed (ControlUI* cui, float value)
 {
-       if (!cui->ignore_change && cui->scale_points) {
-               string value = cui->combo->get_active_text();
-               insert->automation_control (cui->parameter())->set_value ((*cui->scale_points)[value], Controllable::NoGroup);
+       if (!cui->ignore_change) {
+               insert->automation_control (cui->parameter())->set_value (value, Controllable::NoGroup);
        }
 }
 
@@ -917,14 +1065,9 @@ GenericPluginUI::start_updating (GdkEventAny*)
 bool
 GenericPluginUI::stop_updating (GdkEventAny*)
 {
-       for (vector<ControlUI*>::iterator i = input_controls.begin(); i != input_controls.end(); ++i) {
-               (*i)->controller->stop_updating ();
-       }
-
        if (output_controls.size() > 0 ) {
                screen_update_connection.disconnect();
        }
-
        return false;
 }
 
@@ -963,17 +1106,17 @@ GenericPluginUI::output_update ()
 }
 
 void
-GenericPluginUI::set_property (const ParameterDescriptor& desc,
-                               Gtk::FileChooserButton*    widget)
+GenericPluginUI::set_path_property (const ParameterDescriptor& desc,
+                                    Gtk::FileChooserButton*    widget)
 {
        plugin->set_property(desc.key, Variant(Variant::PATH, widget->get_filename()));
 }
 
 void
-GenericPluginUI::property_changed (uint32_t key, const Variant& value)
+GenericPluginUI::path_property_changed (uint32_t key, const Variant& value)
 {
-       PropertyControls::iterator c = _property_controls.find(key);
-       if (c != _property_controls.end()) {
+       FilePathControls::iterator c = _filepath_controls.find(key);
+       if (c != _filepath_controls.end()) {
                c->second->set_filename(value.get_path());
        } else {
                std::cerr << "warning: property change for property with no control" << std::endl;