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livetrax/gtk2_ardour/plugin_presets_ui.cc

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/*
* Copyright (C) 2018-2019 Robin Gareus <robin@gareus.org>
*
* 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "gtkmm2ext/utils.h"
#include "ardour/plugin.h"
#include "gui_thread.h"
#include "plugin_presets_ui.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
PluginPresetsUI::PluginPresetsUI (boost::shared_ptr<PluginInsert> insert)
: _insert (insert)
, _load_button (_("Load"))
{
_plugin_preset_model = Gtk::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 ()->signal_changed ().connect (sigc::mem_fun (*this, &PluginPresetsUI::preset_selected));
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_plugin_preset_display.signal_row_activated ().connect (sigc::mem_fun (*this, &PluginPresetsUI::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));
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_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.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);
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 ());
update_preset_list ();
}
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 ();
std::string selected_uri;
if (_plugin_preset_display.get_selection ()->count_selected_rows () == 1) {
Gtk::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 found_active = false;
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) {
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row[_plugin_preset_columns.name] = string_compose ("<span weight=\"bold\" background=\"green\">%1</span>", Gtkmm2ext::markup_escape_text (i->label));
found_active = true;
} else {
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row[_plugin_preset_columns.name] = Gtkmm2ext::markup_escape_text (i->label);
}
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) {
row[_plugin_preset_columns.name] = _("(none)");
} else {
row[_plugin_preset_columns.name] = string_compose ("<span weight=\"bold\" background=\"green\">%1</span>", _("(none)"));
}
row[_plugin_preset_columns.description] = "";
row[_plugin_preset_columns.plugin_preset] = Plugin::PresetRecord ();
}
Gtk::TreeModel::Children rows = _plugin_preset_model->children ();
for (Gtk::TreeModel::Children::iterator i = rows.begin (); i != rows.end (); ++i) {
ARDOUR::Plugin::PresetRecord const& ppr ((*i)[_plugin_preset_columns.plugin_preset]);
if (ppr.uri == selected_uri) {
_plugin_preset_display.get_selection ()->select (*i);
break;
}
}
}
void
PluginPresetsUI::preset_selected ()
{
if (_plugin_preset_display.get_selection ()->count_selected_rows () != 1) {
return;
}
Gtk::TreeIter iter = _plugin_preset_display.get_selection ()->get_selected ();
assert (iter);
ARDOUR::Plugin::PresetRecord const& ppr ((*iter)[_plugin_preset_columns.plugin_preset]);
std::string d;
if (!ppr.valid) {
d = "-";
} else if (ppr.user) {
d = _("(user preset)");
} else {
d = (*iter)[_plugin_preset_columns.description];
}
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_preset_desc.get_buffer ()->set_text (d);
Plugin::PresetRecord const& p = _insert->plugin ()->last_preset ();
_load_button.set_sensitive (ppr.valid && !(p.valid && p.uri == ppr.uri));
}
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void
PluginPresetsUI::row_activated (Gtk::TreeModel::Path, Gtk::TreeViewColumn*)
{
if (_load_button.get_sensitive ()) {
load_preset ();
}
}
void
PluginPresetsUI::load_preset ()
{
if (_plugin_preset_display.get_selection ()->count_selected_rows () != 1) {
return;
}
Gtk::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);
}
}