Use small Astate buttons for plugins with many controls
[ardour.git] / gtk2_ardour / generic_pluginui.cc
index 3f33b78c924ff0af2ad91e1f379b7ff2888cbdb1..b1d3b8c49d105d57f4dffef1870dcf3e13894643 100644 (file)
 #include <string>
 #include <vector>
 
+#include <gtkmm/separator.h>
+
 #include "pbd/stl_delete.h"
+#include "pbd/unwind.h"
 #include "pbd/xml++.h"
 #include "pbd/failed_constructor.h"
 
-#include <gtkmm2ext/click_box.h>
-#include <gtkmm2ext/fastmeter.h>
-#include <gtkmm2ext/barcontroller.h>
-#include <gtkmm2ext/utils.h>
-#include <gtkmm2ext/doi.h>
-#include <gtkmm2ext/slider_controller.h>
-
 #include "ardour/plugin.h"
 #include "ardour/plugin_insert.h"
 #include "ardour/session.h"
 #include "ardour/value_as_string.h"
 
-#include "ardour_spinner.h"
-#include "prompter.h"
+#include "gtkmm2ext/utils.h"
+#include "gtkmm2ext/doi.h"
+
+#include "widgets/ardour_knob.h"
+#include "widgets/click_box.h"
+#include "widgets/fastmeter.h"
+#include "widgets/slider_controller.h"
+#include "widgets/tooltips.h"
+
 #include "plugin_ui.h"
+#include "plugin_display.h"
 #include "gui_thread.h"
 #include "automation_controller.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;
 using namespace PBD;
 using namespace Gtkmm2ext;
+using namespace ArdourWidgets;
 using namespace Gtk;
 using namespace ARDOUR_UI_UTILS;
 
@@ -85,6 +90,7 @@ 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);
@@ -148,6 +154,15 @@ 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 ()
@@ -205,11 +220,13 @@ std::size_t s1pos, s2pos, n = 0;
 
 static const guint32 min_controls_per_column = 17, max_controls_per_column = 24;
 static const float default_similarity_threshold = 0.3;
+static const guint32 max_columns_for_big_autostate = 2;
 
 void
 GenericPluginUI::build ()
 {
        std::vector<ControlUI *> control_uis;
+       bool grid = plugin->parameter_count() > 0;
 
        // Build a ControlUI for each control port
        for (size_t i = 0; i < plugin->parameter_count(); ++i) {
@@ -230,6 +247,11 @@ 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>(
@@ -237,18 +259,24 @@ 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);
                }
        }
 
@@ -280,7 +308,11 @@ GenericPluginUI::build ()
                plugin->announce_property_values();
        }
 
-       layout (control_uis);
+       if (grid) {
+               custom_layout (control_uis);
+       } else {
+               automatic_layout (control_uis);
+       }
 
        output_update ();
 
@@ -288,11 +320,14 @@ GenericPluginUI::build ()
        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::layout (const std::vector<ControlUI *>& control_uis)
+GenericPluginUI::automatic_layout (const std::vector<ControlUI*>& control_uis)
 {
        guint32 x = 0;
 
@@ -350,7 +385,6 @@ GenericPluginUI::layout (const std::vector<ControlUI *>& control_uis)
        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 (size_t i = 0; i < control_uis.size(); ++i) {
@@ -441,6 +475,7 @@ GenericPluginUI::layout (const std::vector<ControlUI *>& control_uis)
        // starting a new column when necessary.
 
        i = 0;
+       size_t columns = 1;
        for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin(); cuip != cui_controls_list.end(); ++cuip, ++i) {
 
                ControlUI* cui = *cuip;
@@ -460,6 +495,7 @@ GenericPluginUI::layout (const std::vector<ControlUI *>& control_uis)
                                frame->add (*box);
                                hpacker.pack_start(*frame, true, true);
                                x = 0;
+                               ++columns;
                        } else {
                                HSeparator *split = new HSeparator();
                                split->set_size_request(-1, 5);
@@ -470,6 +506,14 @@ GenericPluginUI::layout (const std::vector<ControlUI *>& control_uis)
                box->pack_start (*cui, false, false);
        }
 
+       if (columns > max_columns_for_big_autostate) {
+               for (vector<ControlUI*>::iterator cuip = cui_controls_list.begin();
+                                                 cuip != cui_controls_list.end();
+                                                 ++cuip) {
+                       set_short_autostate(*cuip, true);
+               }
+       }
+
        if (is_scrollable) {
                prefheight = 30 * i;
        }
@@ -495,28 +539,56 @@ GenericPluginUI::layout (const std::vector<ControlUI *>& control_uis)
        } else {
                delete output_table;
        }
+
+       if (plugin->has_inline_display () && plugin->inline_display_in_gui ()) {
+               PluginDisplay* pd = manage (new PluginDisplay (plugin, 300));
+               hpacker.pack_end (*pd, true, true);
+       }
+       show_all();
+
+}
+
+void
+GenericPluginUI::custom_layout (const std::vector<ControlUI*>& control_uis)
+{
+       Gtk::Table* layout = manage (new Gtk::Table ());
+
+       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);
+
+       if (plugin->has_inline_display () && plugin->inline_display_in_gui ()) {
+               PluginDisplay* pd = manage (new PluginDisplay (plugin, 300));
+               hpacker.pack_end (*pd, 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
-          as the longest automation label (see ::automation_state_changed()
-          below). be sure to include a descender.
-       */
-
-       set_size_request_to_display_given_text (automate_button, _("Mgnual"), 15, 10);
-
-       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()
@@ -527,6 +599,21 @@ GenericPluginUI::ControlUI::~ControlUI()
        }
 }
 
+void
+GenericPluginUI::set_short_autostate (ControlUI* cui, bool value)
+{
+       cui->short_autostate = value;
+       if (value) {
+               cui->automate_button.set_sizing_text("M");
+       } else {
+               /* XXX translators: use a string here that will be at least as long
+                  as the longest automation label (see ::automation_state_changed()
+                  below). be sure to include a descender. */
+               cui->automate_button.set_sizing_text(_("Mgnual"));
+       }
+       automation_state_changed(cui);
+}
+
 void
 GenericPluginUI::automation_state_changed (ControlUI* cui)
 {
@@ -534,21 +621,32 @@ 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->short_autostate) {
+               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;
        }
 }
@@ -587,24 +685,58 @@ 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());
+       set_short_autostate(control_ui, false);
 
        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;
 
@@ -620,98 +752,138 @@ 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);
+                       control_ui->combo->set_controllable (mcontrol);
 
                        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(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 ArdourWidgets::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));
+                               }
+                               control_ui->clickbox->set_controllable (mcontrol);
+                       } else if (desc.toggled) {
+                               ArdourButton* but = dynamic_cast<ArdourButton*> (control_ui->controller->widget());
+                               assert(but);
+                               but->set_tweaks(ArdourButton::Square);
+                       } else if (use_knob) {
+                               /* Delay size request so that styles are gotten right */
+                               control_ui->controller->widget()->signal_size_request().connect(
+                                               sigc::bind (sigc::mem_fun (*this, &GenericPluginUI::knob_size_request), control_ui));
+                       } 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));
+                       }
 
-               /* 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) {
+                       set_short_autostate(control_ui, true);
+
+                       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 + ": ");
+                               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) {
+               if (desc.toggled && !control_ui->combo) {
                        control_ui->button = true;
                        ArdourButton* but = dynamic_cast<ArdourButton*>(control_ui->controller->widget ());
                        assert (but);
@@ -719,32 +891,13 @@ 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");
@@ -761,7 +914,10 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
                control_ui->vbox = manage (new VBox);
                control_ui->vbox->set_spacing(3);
 
-               if (desc.integer_step || desc.enumeration) {
+               if (desc.unit == ParameterDescriptor::MIDI_NOTE) {
+                       control_ui->vbox->pack_end (*control_ui->display, false, false);
+                       control_ui->vbox->pack_end (control_ui->label, false, false);
+               } else if (desc.integer_step || desc.enumeration) {
                        control_ui->vbox->pack_end (*control_ui->display, false, false);
                        control_ui->vbox->pack_end (control_ui->label, false, false);
                } else {
@@ -782,12 +938,6 @@ GenericPluginUI::build_control_ui (const Evoral::Parameter&             param,
                                        UIConfiguration::instance().color ("meter background top")
                                        );
 
-                       info->min_unbound = desc.min_unbound;
-                       info->max_unbound = desc.max_unbound;
-
-                       info->min = desc.lower;
-                       info->max = desc.upper;
-
                        control_ui->label.set_angle(90);
 
                        HBox* center =  manage (new HBox);
@@ -812,20 +962,37 @@ 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)
+GenericPluginUI::knob_size_request(Gtk::Requisition* req, ControlUI* cui) {
+       Gtk::Requisition astate_req (cui->automate_button.size_request());
+       const int size = (int) (astate_req.height * 1.5);
+       req->width = max(req->width, size);
+       req->height = max(req->height, size);
+}
+
+
+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());
@@ -840,16 +1007,17 @@ 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
 GenericPluginUI::set_all_automation (AutoState as)
 {
        for (vector<ControlUI*>::iterator i = input_controls_with_automation.begin(); i != input_controls_with_automation.end(); ++i) {
-               if ((*i)->controller || (*i)->button) {
-                       set_automation_state (as, (*i));
-               }
+               set_automation_state (as, (*i));
        }
 }
 
@@ -877,12 +1045,12 @@ 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;
                        }
                }
@@ -903,15 +1071,25 @@ 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 ()
 {
-       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);
+       /* 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) {
+               insert->automation_control (cui->parameter())->set_value (value, Controllable::NoGroup);
        }
 }
 
@@ -928,14 +1106,9 @@ 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;
 }
 
@@ -945,46 +1118,30 @@ GenericPluginUI::output_update ()
        for (vector<ControlUI*>::iterator i = output_controls.begin(); i != output_controls.end(); ++i) {
                float val = plugin->get_parameter ((*i)->parameter().id());
                char buf[32];
-               snprintf (buf, sizeof(buf), "%.2f", val);
+               boost::shared_ptr<ReadOnlyControl> c = insert->control_output ((*i)->parameter().id());
+               const std::string& str = ARDOUR::value_as_string(c->desc(), Variant(val));
+               size_t len = str.copy(buf, 31);
+               buf[len] = '\0';
                (*i)->display_label->set_text (buf);
 
-               /* autoscaling for the meter */
                if ((*i)->meterinfo && (*i)->meterinfo->packed) {
-
-                       if (val < (*i)->meterinfo->min) {
-                               if ((*i)->meterinfo->min_unbound)
-                                       (*i)->meterinfo->min = val;
-                               else
-                                       val = (*i)->meterinfo->min;
-                       }
-
-                       if (val > (*i)->meterinfo->max) {
-                               if ((*i)->meterinfo->max_unbound)
-                                       (*i)->meterinfo->max = val;
-                               else
-                                       val = (*i)->meterinfo->max;
-                       }
-
-                       if ((*i)->meterinfo->max > (*i)->meterinfo->min ) {
-                               float lval = (val - (*i)->meterinfo->min) / ((*i)->meterinfo->max - (*i)->meterinfo->min) ;
-                               (*i)->meterinfo->meter->set (lval );
-                       }
+                       (*i)->meterinfo->meter->set (c->desc().to_interface (val));
                }
        }
 }
 
 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;