Prototype categorized preset browser

1 files changed, 197 insertions, 40 deletions

diff --git a/gtk2_ardour/plugin_presets_ui.cc b/gtk2_ardour/plugin_presets_ui.cc
index 71523bcdd0..c56af4ff18 100644
--- a/gtk2_ardour/plugin_presets_ui.cc
+++ b/gtk2_ardour/plugin_presets_ui.cc
@@ -16,6 +16,8 @@
  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
+#include <gtkmm/box.h>
+
 #include "gtkmm2ext/utils.h"
 
 #include "ardour/plugin.h"
@@ -26,48 +28,77 @@
 #include "pbd/i18n.h"
 
 using namespace ARDOUR;
+using namespace Gtk;
 
 PluginPresetsUI::PluginPresetsUI (boost::shared_ptr<PluginInsert> insert)
 	: _insert (insert)
 	, _load_button (_("Load"))
 {
-	_plugin_preset_model = Gtk::TreeStore::create (_plugin_preset_columns);
+	_filter_banks_model = TreeStore::create (_filter_banks_columns);
+	_filter_banks_display.set_model (_filter_banks_model);
+	_filter_banks_display.set_headers_visible (true);
+	_filter_banks_display.get_selection ()->set_mode (SELECTION_BROWSE);
+	_filter_banks_display.get_selection ()->signal_changed ().connect (sigc::mem_fun (*this, &PluginPresetsUI::filter_presets));
+	_filter_banks_display.set_sensitive (true);
+	_filter_banks_display.append_column (_("Bank/Vendor"), _filter_banks_columns.name);
+	_banks_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
+	_banks_scroller.add (_filter_banks_display);
+	_banks_scroller.set_no_show_all (true);
+
+	_filter_types_model = TreeStore::create (_filter_types_columns);
+	_filter_types_display.set_model (_filter_types_model);
+	_filter_types_display.set_headers_visible (true);
+	_filter_types_display.get_selection ()->set_mode (SELECTION_BROWSE);
+	_filter_types_display.get_selection ()->signal_changed ().connect (sigc::mem_fun (*this, &PluginPresetsUI::filter_presets));
+	_filter_types_display.set_sensitive (true);
+	_filter_types_display.append_column (_("Type/Category"), _filter_types_columns.name);
+	_types_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
+	_types_scroller.add (_filter_types_display);
+	_types_scroller.set_no_show_all (true);
+
+	_plugin_preset_model = TreeStore::create (_plugin_preset_columns);
 	_plugin_preset_display.set_model (_plugin_preset_model);
 	_plugin_preset_display.set_headers_visible (true);
-	_plugin_preset_display.get_selection ()->set_mode (Gtk::SELECTION_SINGLE);
+	_plugin_preset_display.get_selection ()->set_mode (SELECTION_BROWSE);
 	_plugin_preset_display.get_selection ()->signal_changed ().connect (sigc::mem_fun (*this, &PluginPresetsUI::preset_selected));
-	_plugin_preset_display.signal_row_activated ().connect (sigc::mem_fun (*this, &PluginPresetsUI::row_activated));
+	_plugin_preset_display.signal_row_activated ().connect (sigc::mem_fun (*this, &PluginPresetsUI::preset_row_activated));
 	_plugin_preset_display.set_sensitive (true);
 
-	Gtk::CellRendererText* label_render = Gtk::manage (new Gtk::CellRendererText());
-	Gtk::TreeView::Column* label_col = Gtk::manage (new Gtk::TreeView::Column (_("Preset"), *label_render));
+	CellRendererText* label_render = manage (new CellRendererText());
+	TreeView::Column* label_col = manage (new TreeView::Column (_("Preset"), *label_render));
 	label_col->add_attribute (label_render->property_markup(), _plugin_preset_columns.name);
 	_plugin_preset_display.append_column (*label_col);
 
 	_preset_desc.set_editable (false);
 	_preset_desc.set_can_focus (false);
-	_preset_desc.set_wrap_mode (Gtk::WRAP_WORD);
+	_preset_desc.set_wrap_mode (WRAP_WORD);
 	_preset_desc.set_size_request (400,200);
 	_preset_desc.set_name (X_("TextOnBackground"));
 	_preset_desc.set_border_width (6);
 
-	_preset_scroller.set_policy (Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC);
+	_preset_scroller.set_policy (POLICY_NEVER, POLICY_AUTOMATIC);
 	_preset_scroller.add (_plugin_preset_display);
 
 	_load_button.set_name ("generic button");
 	_load_button.signal_clicked.connect (sigc::mem_fun (*this, &PluginPresetsUI::load_preset));
 	_load_button.set_sensitive (false);
 
-	attach (_preset_scroller, 0, 1, 0, 2, Gtk::FILL, Gtk::EXPAND|Gtk::FILL, 2, 0);
-	attach (_preset_desc, 1, 2, 0, 1, Gtk::EXPAND|Gtk::FILL, Gtk::FILL, 2, 0);
-	attach (_load_button, 1, 2, 1, 2, Gtk::FILL, Gtk::SHRINK, 2, 0);
+	Box* filter_box = manage (new VBox ());
+	filter_box->pack_start (_banks_scroller);
+	filter_box->pack_start (_types_scroller);
+
+	attach (*filter_box,      0, 1, 0, 2, FILL, EXPAND|FILL, 2, 0);
+	attach (_preset_scroller, 1, 2, 0, 2, FILL, EXPAND|FILL, 2, 0);
+	attach (_preset_desc,     2, 3, 0, 1, EXPAND|FILL, EXPAND|FILL, 2, 0);
+	attach (_load_button,     2, 3, 1, 2, FILL, SHRINK, 2, 0);
 
 	boost::shared_ptr<Plugin> plugin (_insert->plugin ());
 
 	plugin->PresetAdded.connect (_preset_connections, invalidator (*this), boost::bind (&PluginPresetsUI::update_preset_list, this), gui_context ());
 	plugin->PresetRemoved.connect (_preset_connections, invalidator (*this), boost::bind (&PluginPresetsUI::update_preset_list, this), gui_context ());
-	plugin->PresetLoaded.connect (_preset_connections, invalidator (*this), boost::bind (&PluginPresetsUI::update_preset_list, this), gui_context ());
-	plugin->PresetDirty.connect (_preset_connections, invalidator (*this), boost::bind (&PluginPresetsUI::update_preset_list, this), gui_context ());
+
+	plugin->PresetLoaded.connect (_preset_connections, invalidator (*this), boost::bind (&PluginPresetsUI::filter_presets, this), gui_context ());
+	plugin->PresetDirty.connect (_preset_connections, invalidator (*this), boost::bind (&PluginPresetsUI::filter_presets, this), gui_context ());
 
 	update_preset_list ();
 }
@@ -76,52 +107,176 @@ void
 PluginPresetsUI::update_preset_list ()
 {
 	boost::shared_ptr<Plugin> plugin (_insert->plugin ());
-
-	Plugin::PresetRecord const& p = plugin->last_preset ();
 	std::vector<Plugin::PresetRecord> presets = plugin->get_presets ();
 
+	_pps.clear ();
+	std::map<std::string, size_t> banks; // or vendors
+	std::map<std::string, size_t> types; // or categories
+
+	for (std::vector<Plugin::PresetRecord>::const_iterator i = presets.begin (); i != presets.end (); ++i) {
+		++banks[_("-All-")];
+		++types[_("-All-")];
+		if (i->user) {
+			++banks[_("-User-")];
+			_pps.push_back (PluginPreset(*i, _("-User-")));
+			continue;
+		}
+
+		std::string l (i->label);
+		std::vector<std::string> cat;
+		size_t pos = 0;
+		while ((pos = l.find(" - ")) != std::string::npos) {
+			cat.push_back (l.substr (0, pos));
+			l.erase (0, pos + 3);
+			if (cat.size() > 1) {
+				break;
+			}
+		}
+		if (cat.size() > 1) {
+			++banks[cat.at (0)];
+			++types[cat.at (1)];
+			_pps.push_back (PluginPreset(*i, cat.at (0), cat.at (1)));
+		} else if (cat.size() > 0) {
+			++banks[cat.at (0)];
+			_pps.push_back (PluginPreset(*i, cat.at (0)));
+		} else {
+			_pps.push_back (PluginPreset(*i));
+		}
+	}
+
+	if (types.size() > 2) {
+		std::string selected_type;
+		if (_filter_types_display.get_selection ()->count_selected_rows () == 1) {
+			TreeIter iter = _filter_types_display.get_selection ()->get_selected ();
+			selected_type = (*iter)[_filter_types_columns.name];
+		} else {
+			selected_type = Gtkmm2ext::markup_escape_text(_("-All-"));
+		}
+		_filter_types_model->clear ();
+		for (std::map<std::string, size_t>::const_iterator i = types.begin (); i != types.end(); ++i) {
+			TreeModel::Row row = *(_filter_types_model->append ());
+			row[_filter_types_columns.name] = Gtkmm2ext::markup_escape_text (i->first);
+			row[_filter_types_columns.count] = i->second;
+		}
+		TreeModel::Children rows = _filter_types_model->children ();
+		for (TreeModel::Children::iterator i = rows.begin (); i != rows.end (); ++i) {
+			std::string const& name ((*i)[_filter_types_columns.name]);
+			if (selected_type == name) {
+				_filter_types_display.get_selection ()->select (*i);
+				break;
+			}
+		}
+		_filter_types_display.show_all ();
+		_types_scroller.show ();
+	} else {
+		_filter_types_model->clear ();
+		_types_scroller.hide ();
+	}
+
+	if (banks.size() > 2) {
+		std::string selected_bank = Gtkmm2ext::markup_escape_text(_("-All-"));
+		if (_filter_banks_display.get_selection ()->count_selected_rows () == 1) {
+			TreeIter iter = _filter_banks_display.get_selection ()->get_selected ();
+			selected_bank = (*iter)[_filter_banks_columns.name];
+		}
+		_filter_banks_model->clear ();
+		for (std::map<std::string, size_t>::const_iterator i = banks.begin (); i != banks.end(); ++i) {
+			TreeModel::Row row = *(_filter_banks_model->append ());
+			row[_filter_banks_columns.name] = Gtkmm2ext::markup_escape_text (i->first);
+			row[_filter_banks_columns.count] = i->second;
+		}
+		TreeModel::Children rows = _filter_banks_model->children ();
+		for (TreeModel::Children::iterator i = rows.begin (); i != rows.end (); ++i) {
+			std::string const& name ((*i)[_filter_banks_columns.name]);
+			if (selected_bank == name) {
+				_filter_banks_display.get_selection ()->select (*i);
+				break;
+			}
+		}
+		_filter_banks_display.show_all ();
+		_banks_scroller.show ();
+	} else {
+		_filter_banks_model->clear ();
+		_banks_scroller.hide ();
+	}
+
+	std::sort (_pps.begin(), _pps.end());
 
-	std::string selected_uri;
+	filter_presets ();
+}
+
+void
+PluginPresetsUI::filter_presets ()
+{
+	bool user_only = false;
+	std::string selected_bank;
+	if (_filter_banks_display.get_selection ()->count_selected_rows () == 1) {
+		TreeIter iter = _filter_banks_display.get_selection ()->get_selected ();
+		selected_bank = (*iter)[_filter_banks_columns.name];
+		if (_("-All-") == selected_bank) {
+			selected_bank = "";
+		}
+		if (_("-User-") == selected_bank) {
+			selected_bank = "";
+			user_only = true;
+		}
+	}
+
+	std::string selected_type;
+	if (_filter_types_display.get_selection ()->count_selected_rows () == 1) {
+		TreeIter iter = _filter_types_display.get_selection ()->get_selected ();
+		selected_type = (*iter)[_filter_types_columns.name];
+		if (_("-All-") == selected_type) {
+			selected_type = "";
+		}
+	}
+
+	boost::shared_ptr<Plugin> plugin (_insert->plugin ());
+	Plugin::PresetRecord const& p = plugin->last_preset ();
+
+	std::string selected_uri = p.valid ? p.uri : "";
 	if (_plugin_preset_display.get_selection ()->count_selected_rows () == 1) {
-		Gtk::TreeIter iter = _plugin_preset_display.get_selection ()->get_selected ();
+		TreeIter iter = _plugin_preset_display.get_selection ()->get_selected ();
 		ARDOUR::Plugin::PresetRecord const& ppr ((*iter)[_plugin_preset_columns.plugin_preset]);
 		selected_uri = ppr.uri;
 	}
 
 	_plugin_preset_model->clear ();
+	bool const modified = plugin->parameter_changed_since_last_preset ();
 
-	bool found_active = false;
+	for (std::vector<PluginPreset>::const_iterator i = _pps.begin (); i != _pps.end (); ++i) {
+		if (!selected_type.empty() && i->_type != selected_type) {
+			continue;
+		}
+		if (!selected_bank.empty() && i->_bank != selected_bank) {
+			continue;
+		}
 
-	bool const modified = plugin->parameter_changed_since_last_preset ();
+		ARDOUR::Plugin::PresetRecord const& ppr (i->_preset_record);
 
-	for (std::vector<Plugin::PresetRecord>::const_iterator i = presets.begin (); i != presets.end (); ++i) {
-		Gtk::TreeModel::Row row = *(_plugin_preset_model->append ());
-		if (p.uri == i->uri && !modified) {
-			row[_plugin_preset_columns.name] = string_compose ("<span weight=\"bold\"  background=\"green\">%1</span>", Gtkmm2ext::markup_escape_text (i->label));
-			found_active = true;
-		} else {
-			row[_plugin_preset_columns.name] = Gtkmm2ext::markup_escape_text (i->label);
+		if (user_only && !ppr.user) {
+			continue;
 		}
-		row[_plugin_preset_columns.description] = i->description;
-		row[_plugin_preset_columns.plugin_preset] = *i;
-	}
 
-	{
-		Gtk::TreeModel::Row row = *(_plugin_preset_model->prepend ());
-		if (found_active || modified) {
-			row[_plugin_preset_columns.name] = _("(none)");
+		TreeModel::Row row = *(_plugin_preset_model->append ());
+		if (p.uri == ppr.uri && !modified) {
+			row[_plugin_preset_columns.name] = string_compose ("<span weight=\"bold\"  background=\"green\">%1</span>", Gtkmm2ext::markup_escape_text (ppr.label));
 		} else {
-			row[_plugin_preset_columns.name] = string_compose ("<span weight=\"bold\"  background=\"green\">%1</span>", _("(none)"));
+			row[_plugin_preset_columns.name] = Gtkmm2ext::markup_escape_text (ppr.label);
 		}
-		row[_plugin_preset_columns.description] = "";
-		row[_plugin_preset_columns.plugin_preset] = Plugin::PresetRecord ();
+		row[_plugin_preset_columns.description] = ppr.description;
+		row[_plugin_preset_columns.plugin_preset] = ppr;
 	}
 
-	Gtk::TreeModel::Children rows = _plugin_preset_model->children ();
-	for (Gtk::TreeModel::Children::iterator i = rows.begin (); i != rows.end (); ++i) {
+	int path = 0;
+	TreeModel::Children rows = _plugin_preset_model->children ();
+	for (TreeModel::Children::iterator i = rows.begin (); i != rows.end (); ++i, ++path) {
 		ARDOUR::Plugin::PresetRecord const& ppr ((*i)[_plugin_preset_columns.plugin_preset]);
 		if (ppr.uri == selected_uri) {
 			_plugin_preset_display.get_selection ()->select (*i);
+			char row_path[21];
+			snprintf(row_path, 21, "%d", path);
+			_plugin_preset_display.scroll_to_row (Gtk::TreePath(row_path));
 			break;
 		}
 	}
@@ -131,10 +286,12 @@ void
 PluginPresetsUI::preset_selected ()
 {
 	if (_plugin_preset_display.get_selection ()->count_selected_rows () != 1) {
+		_preset_desc.get_buffer ()->set_text ("");
+		_load_button.set_sensitive (false);
 		return;
 	}
 
-	Gtk::TreeIter iter = _plugin_preset_display.get_selection ()->get_selected ();
+	TreeIter iter = _plugin_preset_display.get_selection ()->get_selected ();
 	assert (iter);
 	ARDOUR::Plugin::PresetRecord const& ppr ((*iter)[_plugin_preset_columns.plugin_preset]);
 
@@ -153,7 +310,7 @@ PluginPresetsUI::preset_selected ()
 }
 
 void
-PluginPresetsUI::row_activated (Gtk::TreeModel::Path, Gtk::TreeViewColumn*)
+PluginPresetsUI::preset_row_activated (Gtk::TreeModel::Path, Gtk::TreeViewColumn*)
 {
 	if (_load_button.get_sensitive ()) {
 		load_preset ();
@@ -167,7 +324,7 @@ PluginPresetsUI::load_preset ()
 		return;
 	}
 
-	Gtk::TreeIter iter = _plugin_preset_display.get_selection ()->get_selected ();
+	TreeIter iter = _plugin_preset_display.get_selection ()->get_selected ();
 	ARDOUR::Plugin::PresetRecord const& ppr ((*iter)[_plugin_preset_columns.plugin_preset]);
 	if (ppr.valid) {
 		_insert->load_preset (ppr);