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#include "effect_editor_sf2.h"
void EffectEditorSF2::_open_soundfont() {
Gtk::FileChooserDialog dialog("Select a soundfont file to open",
Gtk::FILE_CHOOSER_ACTION_OPEN);
dialog.set_transient_for(*editor);
dialog.set_position(Gtk::WIN_POS_CENTER_ON_PARENT);
//Add response buttons the the dialog:
gboolean swap_buttons;
g_object_get(gtk_settings_get_default(), "gtk-alternative-button-order", &swap_buttons, NULL);
if (swap_buttons) {
dialog.add_button("Select", Gtk::RESPONSE_OK);
dialog.add_button("Cancel", Gtk::RESPONSE_CANCEL);
} else {
dialog.add_button("Cancel", Gtk::RESPONSE_CANCEL);
dialog.add_button("Select", Gtk::RESPONSE_OK);
}
auto filter_zt = Gtk::FileFilter::create();
filter_zt->set_name("SoundFont 2");
filter_zt->add_pattern("*.sf2");
dialog.add_filter(filter_zt);
int result = dialog.run();
dialog.hide();
if (result == Gtk::RESPONSE_OK) {
String path;
path.parse_utf8(dialog.get_filename().c_str());
Error err = synth_sf2->load_soundfount(path);
if (err != OK) {
String err_str;
err_str = "Error: Can't open file (invalid format?).";
Gtk::MessageDialog error_box(err_str.utf8().get_data(), false, Gtk::MESSAGE_ERROR, Gtk::BUTTONS_CLOSE);
error_box.set_transient_for(*editor);
error_box.set_position(Gtk::WIN_POS_CENTER_ON_PARENT);
error_box.run();
error_box.hide();
} else {
_update_patches();
}
}
}
void EffectEditorSF2::_selection_changed() {
if (updating) {
return;
}
Gtk::TreeModel::iterator iter = tree_selection->get_selected();
if (!iter)
return;
Gtk::TreeModel::Row row = *iter;
int selected = row[model_columns.index];
synth_sf2->set_preset(selected);
}
void EffectEditorSF2::_update_patches() {
updating = true;
list_store->clear();
for (int i = 0; i < synth_sf2->get_preset_count(); i++) {
Gtk::TreeModel::iterator iter = list_store->append();
Gtk::TreeModel::Row row = *iter;
row[model_columns.name] = synth_sf2->get_preset_name(i).utf8().get_data();
row[model_columns.index] = i;
if (i == synth_sf2->get_preset()) {
tree_selection->select(row);
}
}
updating = false;
}
EffectEditorSF2::EffectEditorSF2(AudioSynthSF2 *p_sf2, EffectEditor *p_editor) :
effect_editor_midi(p_sf2, p_editor) {
synth_sf2 = p_sf2;
editor = p_editor;
pack_start(effect_editor_midi, Gtk::PACK_EXPAND_WIDGET);
effect_editor_midi.prepend_page(vbox, "Patch List");
open_soundfont.set_label("Open SoundFont");
open_soundfont.signal_clicked().connect(sigc::mem_fun(*this, &EffectEditorSF2::_open_soundfont));
vbox.pack_start(open_soundfont, Gtk::PACK_SHRINK);
vbox.pack_start(scroll, Gtk::PACK_EXPAND_WIDGET);
scroll.add(tree);
list_store = Gtk::ListStore::create(model_columns);
tree_selection = tree.get_selection();
tree_selection->signal_changed().connect(sigc::mem_fun(this, &EffectEditorSF2::_selection_changed));
tree.set_model(list_store);
tree.append_column("#", model_columns.index);
tree.get_column(0)->set_expand(false);
tree.append_column("Patch Name", model_columns.name);
tree.get_column(1)->set_expand(true);
//tree.signal_row_activated().connect(sigc::mem_fun(this, &AddEffectDialog::_activated));
Glib::RefPtr<Gdk::Screen> screen = Gdk::Screen::get_default();
int width = screen->get_width();
int height = screen->get_height();
// set_default_size(width / 2, height / 2);
vbox.set_size_request(width / 4, height / 2);
show_all_children();
updating = false;
_update_patches();
}
EffectEditorSF2::~EffectEditorSF2() {
}
Gtk::Widget *create_sf2_editor(AudioEffect *p_vst, EffectEditor *p_editor) {
if (p_vst->get_provider_id() != "internal" || p_vst->get_unique_id() != "sf2") {
return NULL;
}
return new EffectEditorSF2(static_cast<AudioSynthSF2 *>(p_vst), p_editor);
}
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