colinf's vertical double arrow track resize cursor patch
[ardour.git] / gtk2_ardour / plugin_ui.cc
index f398c23d7c9cf0d81fe36d446e83d5e37c6f10e6..1c7ce5d9e6895896957fbd6b5d6e158848b326db 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2000 Paul Davis 
+    Copyright (C) 2000 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
 
 */
 
+#ifdef WAF_BUILD
+#include "gtk2ardour-config.h"
+#endif
+
 #include <climits>
 #include <cerrno>
 #include <cmath>
@@ -37,6 +41,7 @@
 
 #include "midi++/manager.h"
 
+#include "ardour/session.h"
 #include "ardour/plugin.h"
 #include "ardour/plugin_insert.h"
 #include "ardour/ladspa_plugin.h"
@@ -68,7 +73,6 @@ using namespace ARDOUR;
 using namespace PBD;
 using namespace Gtkmm2ext;
 using namespace Gtk;
-using namespace sigc;
 
 PluginUIWindow::PluginUIWindow (Gtk::Window* win, boost::shared_ptr<PluginInsert> insert, bool scrollable)
        : parent (win)
@@ -89,7 +93,7 @@ PluginUIWindow::PluginUIWindow (Gtk::Window* win, boost::shared_ptr<PluginInsert
                case ARDOUR::AudioUnit:
                        have_gui = create_audiounit_editor (insert);
                        break;
-                       
+
                case ARDOUR::LADSPA:
                        error << _("Eh? LADSPA plugins don't have editors!") << endmsg;
                        break;
@@ -109,37 +113,37 @@ PluginUIWindow::PluginUIWindow (Gtk::Window* win, boost::shared_ptr<PluginInsert
                        throw failed_constructor ();
                }
 
-       } 
+       }
 
        if (!have_gui) {
 
                GenericPluginUI*  pu  = new GenericPluginUI (insert, scrollable);
-               
+
                _pluginui = pu;
-               add( *pu );
+               add (*pu);
 
                /*
                Gtk::HBox *hbox = new Gtk::HBox();
                hbox->pack_start( *pu);
                // TODO: this should be nicer
                hbox->pack_start( eqgui_bin );
-               
+
                add (*manage(hbox));
                */
 
                set_wmclass (X_("ardour_plugin_editor"), "Ardour");
 
-               signal_map_event().connect (mem_fun (*pu, &GenericPluginUI::start_updating));
-               signal_unmap_event().connect (mem_fun (*pu, &GenericPluginUI::stop_updating));
+               signal_map_event().connect (sigc::mem_fun (*pu, &GenericPluginUI::start_updating));
+               signal_unmap_event().connect (sigc::mem_fun (*pu, &GenericPluginUI::stop_updating));
        }
 
        // set_position (Gtk::WIN_POS_MOUSE);
        set_name ("PluginEditor");
        add_events (Gdk::KEY_PRESS_MASK|Gdk::KEY_RELEASE_MASK|Gdk::BUTTON_PRESS_MASK|Gdk::BUTTON_RELEASE_MASK);
 
-       signal_delete_event().connect (bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window*> (this)), false);
-       death_connection = insert->GoingAway.connect (mem_fun(*this, &PluginUIWindow::plugin_going_away));
-       
+       signal_delete_event().connect (sigc::bind (sigc::ptr_fun (just_hide_it), reinterpret_cast<Window*> (this)), false);
+       insert->DropReferences.connect (death_connection, boost::bind (&PluginUIWindow::plugin_going_away, this), gui_context());
+
        gint h = _pluginui->get_preferred_height ();
        gint w = _pluginui->get_preferred_width ();
 
@@ -152,7 +156,7 @@ PluginUIWindow::PluginUIWindow (Gtk::Window* win, boost::shared_ptr<PluginInsert
                }
        }
 
-       set_default_size (w, h); 
+       set_default_size (w, h);
 }
 
 PluginUIWindow::~PluginUIWindow ()
@@ -206,11 +210,17 @@ PluginUIWindow::on_focus_out_event (GdkEventFocus *ev)
 void
 PluginUIWindow::on_show ()
 {
+       set_role("plugin_ui");
+
        if (_pluginui) {
                _pluginui->update_presets ();
        }
 
-       Window::on_show ();
+       if (_pluginui) {
+               if (_pluginui->on_window_show (_title)) {
+                       Window::on_show ();
+               }
+       }
 
        if (parent) {
                // set_transient_for (*parent);
@@ -221,10 +231,26 @@ void
 PluginUIWindow::on_hide ()
 {
        Window::on_hide ();
+
+       if (_pluginui) {
+               _pluginui->on_window_hide ();
+       }
+}
+
+void
+PluginUIWindow::set_title(const Glib::ustring& title)
+{
+       //cout << "PluginUIWindow::set_title(\"" << title << "\"" << endl;
+       Gtk::Window::set_title(title);
+       _title = title;
 }
 
 bool
+#ifdef VST_SUPPORT
 PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert> insert)
+#else
+PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert>)
+#endif
 {
 #ifndef VST_SUPPORT
        return false;
@@ -238,7 +264,7 @@ PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert> insert)
                throw failed_constructor ();
        } else {
                VSTPluginUI* vpu = new VSTPluginUI (insert, vp);
-       
+
                _pluginui = vpu;
                add (*vpu);
                vpu->package (*this);
@@ -250,7 +276,11 @@ PluginUIWindow::create_vst_editor(boost::shared_ptr<PluginInsert> insert)
 }
 
 bool
+#if defined (HAVE_AUDIOUNITS) && defined (GTKOSX)
 PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert> insert)
+#else
+PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert>)
+#endif
 {
 #if !defined(HAVE_AUDIOUNITS) || !defined(GTKOSX)
        return false;
@@ -261,14 +291,18 @@ PluginUIWindow::create_audiounit_editor (boost::shared_ptr<PluginInsert> insert)
        non_gtk_gui = true;
 
        extern sigc::signal<void,bool> ApplicationActivationChanged;
-       ApplicationActivationChanged.connect (mem_fun (*this, &PluginUIWindow::app_activated));
+       ApplicationActivationChanged.connect (sigc::mem_fun (*this, &PluginUIWindow::app_activated));
 
        return true;
 #endif
 }
 
 void
+#if defined (HAVE_AUDIOUNITS) && defined(GTKOSX)
 PluginUIWindow::app_activated (bool yn)
+#else
+PluginUIWindow::app_activated (bool)
+#endif
 {
 #if defined (HAVE_AUDIOUNITS) && defined(GTKOSX)
        cerr << "APP activated ? " << yn << endl;
@@ -284,7 +318,7 @@ PluginUIWindow::app_activated (bool yn)
                        hide ();
                        _pluginui->deactivate ();
                }
-       } 
+       }
 #endif
 }
 
@@ -296,7 +330,7 @@ PluginUIWindow::create_lv2_editor(boost::shared_ptr<PluginInsert> insert)
 #else
 
        boost::shared_ptr<LV2Plugin> vp;
-       
+
        if ((vp = boost::dynamic_pointer_cast<LV2Plugin> (insert->plugin())) == 0) {
                error << _("create_lv2_editor called on non-LV2 plugin") << endmsg;
                throw failed_constructor ();
@@ -315,15 +349,11 @@ PluginUIWindow::create_lv2_editor(boost::shared_ptr<PluginInsert> insert)
 bool
 PluginUIWindow::on_key_press_event (GdkEventKey* event)
 {
-       if (!key_press_focus_accelerator_handler (*this, event)) {
-               return PublicEditor::instance().on_key_press_event(event);
-       } else {
-               return true;
-       }
+       return relay_key_press (event, this);
 }
 
 bool
-PluginUIWindow::on_key_release_event (GdkEventKey* event)
+PluginUIWindow::on_key_release_event (GdkEventKey *)
 {
        return true;
 }
@@ -331,8 +361,8 @@ PluginUIWindow::on_key_release_event (GdkEventKey* event)
 void
 PluginUIWindow::plugin_going_away ()
 {
-       ENSURE_GUI_THREAD(mem_fun(*this, &PluginUIWindow::plugin_going_away));
-       
+       ENSURE_GUI_THREAD (*this, &PluginUIWindow::plugin_going_away)
+
        if (_pluginui) {
                _pluginui->stop_updating(0);
        }
@@ -354,37 +384,37 @@ PlugUIBase::PlugUIBase (boost::shared_ptr<PluginInsert> pi)
        update_presets();
        preset_combo.set_size_request (100, -1);
        preset_combo.set_active_text ("");
-       preset_combo.signal_changed().connect(mem_fun(*this, &PlugUIBase::setting_selected));
+       preset_combo.signal_changed().connect(sigc::mem_fun(*this, &PlugUIBase::setting_selected));
+       no_load_preset = false;
 
        save_button.set_name ("PluginSaveButton");
-       save_button.signal_clicked().connect(mem_fun(*this, &PlugUIBase::save_plugin_setting));
+       save_button.signal_clicked().connect(sigc::mem_fun(*this, &PlugUIBase::save_plugin_setting));
 
-       insert->ActiveChanged.connect (bind(
-                       mem_fun(*this, &PlugUIBase::processor_active_changed),
-                       boost::weak_ptr<Processor>(insert)));
+       insert->ActiveChanged.connect (active_connection, boost::bind (&PlugUIBase::processor_active_changed, this,  boost::weak_ptr<Processor>(insert)), gui_context());
 
        bypass_button.set_active (!pi->active());
 
        bypass_button.set_name ("PluginBypassButton");
-       bypass_button.signal_toggled().connect (mem_fun(*this, &PlugUIBase::bypass_toggled));
+       bypass_button.signal_toggled().connect (sigc::mem_fun(*this, &PlugUIBase::bypass_toggled));
        focus_button.add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 
-       focus_button.signal_button_release_event().connect (mem_fun(*this, &PlugUIBase::focus_toggled));
+       focus_button.signal_button_release_event().connect (sigc::mem_fun(*this, &PlugUIBase::focus_toggled));
        focus_button.add_events (Gdk::ENTER_NOTIFY_MASK|Gdk::LEAVE_NOTIFY_MASK);
 
        /* these images are not managed, so that we can remove them at will */
 
        focus_out_image = new Image (get_icon (X_("computer_keyboard")));
        focus_in_image = new Image (get_icon (X_("computer_keyboard_active")));
-       
+
        focus_button.add (*focus_out_image);
 
        ARDOUR_UI::instance()->set_tip (&focus_button, _("Click to allow the plugin to receive keyboard events that Ardour would normally use as a shortcut"), "");
        ARDOUR_UI::instance()->set_tip (&bypass_button, _("Click to enable/disable this plugin"), "");
 
-       plugin_analysis_expander.property_expanded().signal_changed().connect( mem_fun(*this, &PlugUIBase::toggle_plugin_analysis));
-
+       plugin_analysis_expander.property_expanded().signal_changed().connect( sigc::mem_fun(*this, &PlugUIBase::toggle_plugin_analysis));
        plugin_analysis_expander.set_expanded(false);
+       
+       insert->DropReferences.connect (death_connection, boost::bind (&PlugUIBase::plugin_going_away, this), gui_context());
 }
 
 PlugUIBase::~PlugUIBase()
@@ -392,6 +422,15 @@ PlugUIBase::~PlugUIBase()
        delete latency_gui;
 }
 
+void
+PlugUIBase::plugin_going_away ()
+{
+       /* drop references to the plugin/insert */
+       insert.reset ();
+       plugin.reset ();
+       death_connection.disconnect ();
+}
+
 void
 PlugUIBase::set_latency_label ()
 {
@@ -415,7 +454,7 @@ PlugUIBase::latency_button_clicked ()
                latency_gui = new LatencyGUI (*(insert.get()), insert->session().frame_rate(), insert->session().get_block_size());
                latency_dialog = new ArdourDialog ("Edit Latency", false, false);
                latency_dialog->get_vbox()->pack_start (*latency_gui);
-               latency_dialog->signal_hide().connect (mem_fun (*this, &PlugUIBase::set_latency_label));
+               latency_dialog->signal_hide().connect (sigc::mem_fun (*this, &PlugUIBase::set_latency_label));
        }
 
        latency_dialog->show_all ();
@@ -424,7 +463,7 @@ PlugUIBase::latency_button_clicked ()
 void
 PlugUIBase::processor_active_changed (boost::weak_ptr<Processor> weak_p)
 {
-       ENSURE_GUI_THREAD(bind (mem_fun(*this, &PlugUIBase::processor_active_changed), weak_p));
+       ENSURE_GUI_THREAD (*this, &PlugUIBase::processor_active_changed, weak_p)
        boost::shared_ptr<Processor> p (weak_p);
        if (p) {
                bypass_button.set_active (!p->active());
@@ -434,6 +473,10 @@ PlugUIBase::processor_active_changed (boost::weak_ptr<Processor> weak_p)
 void
 PlugUIBase::setting_selected()
 {
+       if (no_load_preset) {
+               return;
+       }
+
        if (preset_combo.get_active_text().length() > 0) {
                const Plugin::PresetRecord* pr = plugin->preset_by_label(preset_combo.get_active_text());
                if (pr) {
@@ -464,7 +507,9 @@ PlugUIBase::save_plugin_setting ()
                if (name.length()) {
                        if (plugin->save_preset(name)) {
                                update_presets();
+                               no_load_preset = true;
                                preset_combo.set_active_text (name);
+                               no_load_preset = false;
                        }
                }
                break;
@@ -486,7 +531,7 @@ PlugUIBase::bypass_toggled ()
 }
 
 bool
-PlugUIBase::focus_toggled (GdkEventButton* ev)
+PlugUIBase::focus_toggled (GdkEventButton*)
 {
        if (Keyboard::the_keyboard().some_magic_widget_has_focus()) {
                Keyboard::the_keyboard().magic_widget_drop_focus();
@@ -508,17 +553,17 @@ PlugUIBase::focus_toggled (GdkEventButton* ev)
 void
 PlugUIBase::toggle_plugin_analysis()
 {
-       if (plugin_analysis_expander.get_expanded() && 
+       if (plugin_analysis_expander.get_expanded() &&
             !plugin_analysis_expander.get_child()) {
                // Create the GUI
                PluginEqGui *foo = new PluginEqGui(insert);
                plugin_analysis_expander.add( *foo );
                plugin_analysis_expander.show_all();
-       } 
-       
+       }
+
        Gtk::Widget *gui;
 
-       if (!plugin_analysis_expander.get_expanded() && 
+       if (!plugin_analysis_expander.get_expanded() &&
             (gui = plugin_analysis_expander.get_child())) {
                // Hide & remove
                gui->hide();
@@ -549,9 +594,14 @@ PlugUIBase::update_presets ()
 {
        vector<string> preset_labels;
        vector<ARDOUR::Plugin::PresetRecord> presets = plugin->get_presets();
-       for (vector<ARDOUR::Plugin::PresetRecord>::const_iterator i = presets.begin();
-                  i != presets.end(); ++i) {
+
+       no_load_preset = true;
+
+       for (vector<ARDOUR::Plugin::PresetRecord>::const_iterator i = presets.begin(); i != presets.end(); ++i) {
                preset_labels.push_back(i->label);
        }
+
        set_popdown_strings (preset_combo, preset_labels);
+       
+       no_load_preset = false;
 }