/* Copyright 2007-2022 David Robillard Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "jalv_internal.h" #include "lilv/lilv.h" #include "lv2/atom/atom.h" #include "lv2/atom/forge.h" #include "lv2/atom/util.h" #include "lv2/core/attributes.h" #include "lv2/core/lv2.h" #include "lv2/ui/ui.h" #include "lv2/urid/urid.h" #include "suil/suil.h" #include "zix/common.h" #include "zix/sem.h" LV2_DISABLE_DEPRECATION_WARNINGS #include #include #include #include #include #include #include #include #include #include #include #include static GtkCheckMenuItem* active_preset_item = NULL; static bool updating = false; /// Widget for a control typedef struct { GtkSpinButton* spin; GtkWidget* control; } Controller; static float get_float(const LilvNode* node, float fallback) { if (lilv_node_is_float(node) || lilv_node_is_int(node)) { return lilv_node_as_float(node); } return fallback; } static GtkWidget* new_box(gboolean horizontal, gint spacing) { #if GTK_MAJOR_VERSION == 3 return gtk_box_new(horizontal ? GTK_ORIENTATION_HORIZONTAL : GTK_ORIENTATION_VERTICAL, spacing); #else return (horizontal ? gtk_hbox_new(FALSE, spacing) : gtk_vbox_new(FALSE, spacing)); #endif } static GtkWidget* new_hscale(gdouble min, gdouble max, gdouble step) { #if GTK_MAJOR_VERSION == 3 return gtk_scale_new_with_range(GTK_ORIENTATION_HORIZONTAL, min, max, step); #else return gtk_hscale_new_with_range(min, max, step); #endif } static void size_request(GtkWidget* widget, GtkRequisition* req) { #if GTK_MAJOR_VERSION == 3 gtk_widget_get_preferred_size(widget, NULL, req); #else gtk_widget_size_request(widget, req); #endif } static void on_window_destroy(GtkWidget* ZIX_UNUSED(widget), gpointer ZIX_UNUSED(data)) { gtk_main_quit(); } int jalv_init(int* argc, char*** argv, JalvOptions* opts) { GOptionEntry entries[] = { {"load", 'l', 0, G_OPTION_ARG_STRING, &opts->load, "Load state from save directory", "DIR"}, {"preset", 'p', 0, G_OPTION_ARG_STRING, &opts->preset, "Load state from preset", "URI"}, {"dump", 'd', 0, G_OPTION_ARG_NONE, &opts->dump, "Dump plugin <=> UI communication", NULL}, {"ui-uri", 'U', 0, G_OPTION_ARG_STRING, &opts->ui_uri, "Load the UI with the given URI", "URI"}, {"trace", 't', 0, G_OPTION_ARG_NONE, &opts->trace, "Print trace messages from plugin", NULL}, {"show-hidden", 's', 0, G_OPTION_ARG_NONE, &opts->show_hidden, "Show controls for ports with notOnGUI property on generic UI", NULL}, {"no-menu", 'm', 0, G_OPTION_ARG_NONE, &opts->no_menu, "Do not show Jalv menu on window", NULL}, {"generic-ui", 'g', 0, G_OPTION_ARG_NONE, &opts->generic_ui, "Use Jalv generic UI and not the plugin UI", NULL}, {"buffer-size", 'b', 0, G_OPTION_ARG_INT, &opts->buffer_size, "Buffer size for plugin <=> UI communication", "SIZE"}, {"update-frequency", 'r', 0, G_OPTION_ARG_DOUBLE, &opts->update_rate, "UI update frequency", NULL}, {"scale-factor", 0, 0, G_OPTION_ARG_DOUBLE, &opts->scale_factor, "UI scale factor", NULL}, {"control", 'c', 0, G_OPTION_ARG_STRING_ARRAY, &opts->controls, "Set control value (e.g. \"vol=1.4\")", NULL}, {"print-controls", 'p', 0, G_OPTION_ARG_NONE, &opts->print_controls, "Print control output changes to stdout", NULL}, {"jack-name", 'n', 0, G_OPTION_ARG_STRING, &opts->name, "JACK client name", NULL}, {"exact-jack-name", 'x', 0, G_OPTION_ARG_NONE, &opts->name_exact, "Exact JACK client name (exit if taken)", NULL}, {0, 0, 0, G_OPTION_ARG_NONE, 0, 0, 0}}; GError* error = NULL; const int err = gtk_init_with_args(argc, argv, "PLUGIN_URI - Run an LV2 plugin as a Jack application", entries, NULL, &error); if (!err) { fprintf(stderr, "%s\n", error->message); } return !err; } const char* jalv_native_ui_type(void) { #if GTK_MAJOR_VERSION == 2 return "http://lv2plug.in/ns/extensions/ui#GtkUI"; #elif GTK_MAJOR_VERSION == 3 return "http://lv2plug.in/ns/extensions/ui#Gtk3UI"; #else return NULL; #endif } static void on_save_activate(GtkWidget* ZIX_UNUSED(widget), void* ptr) { Jalv* jalv = (Jalv*)ptr; GtkWidget* dialog = gtk_file_chooser_dialog_new("Save State", (GtkWindow*)jalv->window, GTK_FILE_CHOOSER_ACTION_CREATE_FOLDER, "_Cancel", GTK_RESPONSE_CANCEL, "_Save", GTK_RESPONSE_ACCEPT, NULL); if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) { char* path = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog)); char* base = g_build_filename(path, "/", NULL); jalv_save(jalv, base); g_free(path); g_free(base); } gtk_widget_destroy(dialog); } static void on_quit_activate(GtkWidget* ZIX_UNUSED(widget), gpointer data) { GtkWidget* window = (GtkWidget*)data; gtk_widget_destroy(window); } typedef struct { Jalv* jalv; LilvNode* preset; } PresetRecord; static char* symbolify(const char* in) { const size_t len = strlen(in); char* out = (char*)calloc(len + 1, 1); for (size_t i = 0; i < len; ++i) { if (g_ascii_isalnum(in[i])) { out[i] = in[i]; } else { out[i] = '_'; } } return out; } static void set_window_title(Jalv* jalv) { LilvNode* name = lilv_plugin_get_name(jalv->plugin); const char* plugin = lilv_node_as_string(name); if (jalv->preset) { const char* preset_label = lilv_state_get_label(jalv->preset); char* title = g_strdup_printf("%s - %s", plugin, preset_label); gtk_window_set_title(GTK_WINDOW(jalv->window), title); free(title); } else { gtk_window_set_title(GTK_WINDOW(jalv->window), plugin); } lilv_node_free(name); } static void on_preset_activate(GtkWidget* widget, gpointer data) { if (GTK_CHECK_MENU_ITEM(widget) != active_preset_item) { PresetRecord* record = (PresetRecord*)data; jalv_apply_preset(record->jalv, record->preset); if (active_preset_item) { gtk_check_menu_item_set_active(active_preset_item, FALSE); } active_preset_item = GTK_CHECK_MENU_ITEM(widget); gtk_check_menu_item_set_active(active_preset_item, TRUE); set_window_title(record->jalv); } } static void on_preset_destroy(gpointer data, GClosure* ZIX_UNUSED(closure)) { PresetRecord* record = (PresetRecord*)data; lilv_node_free(record->preset); free(record); } typedef struct { GtkMenuItem* item; char* label; GtkMenu* menu; GSequence* banks; } PresetMenu; static PresetMenu* pset_menu_new(const char* label) { PresetMenu* menu = (PresetMenu*)malloc(sizeof(PresetMenu)); menu->label = g_strdup(label); menu->item = GTK_MENU_ITEM(gtk_menu_item_new_with_label(menu->label)); menu->menu = GTK_MENU(gtk_menu_new()); menu->banks = NULL; return menu; } static void pset_menu_free(PresetMenu* menu) { if (menu->banks) { for (GSequenceIter* i = g_sequence_get_begin_iter(menu->banks); !g_sequence_iter_is_end(i); i = g_sequence_iter_next(i)) { PresetMenu* bank_menu = (PresetMenu*)g_sequence_get(i); pset_menu_free(bank_menu); } g_sequence_free(menu->banks); } free(menu->label); free(menu); } static gint menu_cmp(gconstpointer a, gconstpointer b, gpointer ZIX_UNUSED(data)) { return strcmp(((const PresetMenu*)a)->label, ((const PresetMenu*)b)->label); } static PresetMenu* get_bank_menu(Jalv* jalv, PresetMenu* menu, const LilvNode* bank) { LilvNode* label = lilv_world_get(jalv->world, bank, jalv->nodes.rdfs_label, NULL); const char* uri = lilv_node_as_string(bank); const char* str = label ? lilv_node_as_string(label) : uri; PresetMenu key = {NULL, (char*)str, NULL, NULL}; GSequenceIter* i = g_sequence_lookup(menu->banks, &key, menu_cmp, NULL); if (!i) { PresetMenu* bank_menu = pset_menu_new(str); gtk_menu_item_set_submenu(bank_menu->item, GTK_WIDGET(bank_menu->menu)); g_sequence_insert_sorted(menu->banks, bank_menu, menu_cmp, NULL); return bank_menu; } return (PresetMenu*)g_sequence_get(i); } static int add_preset_to_menu(Jalv* jalv, const LilvNode* node, const LilvNode* title, void* data) { PresetMenu* menu = (PresetMenu*)data; const char* label = lilv_node_as_string(title); GtkWidget* item = gtk_check_menu_item_new_with_label(label); gtk_check_menu_item_set_draw_as_radio(GTK_CHECK_MENU_ITEM(item), TRUE); if (jalv->preset && lilv_node_equals(lilv_state_get_uri(jalv->preset), node)) { gtk_check_menu_item_set_active(GTK_CHECK_MENU_ITEM(item), TRUE); active_preset_item = GTK_CHECK_MENU_ITEM(item); } LilvNode* bank = lilv_world_get(jalv->world, node, jalv->nodes.pset_bank, NULL); if (bank) { PresetMenu* bank_menu = get_bank_menu(jalv, menu, bank); gtk_menu_shell_append(GTK_MENU_SHELL(bank_menu->menu), item); } else { gtk_menu_shell_append(GTK_MENU_SHELL(menu->menu), item); } PresetRecord* record = (PresetRecord*)malloc(sizeof(PresetRecord)); record->jalv = jalv; record->preset = lilv_node_duplicate(node); g_signal_connect_data(G_OBJECT(item), "activate", G_CALLBACK(on_preset_activate), record, on_preset_destroy, (GConnectFlags)0); return 0; } static void finish_menu(PresetMenu* menu) { for (GSequenceIter* i = g_sequence_get_begin_iter(menu->banks); !g_sequence_iter_is_end(i); i = g_sequence_iter_next(i)) { PresetMenu* bank_menu = (PresetMenu*)g_sequence_get(i); gtk_menu_shell_append(GTK_MENU_SHELL(menu->menu), GTK_WIDGET(bank_menu->item)); } g_sequence_free(menu->banks); } static void rebuild_preset_menu(Jalv* jalv, GtkContainer* pset_menu) { // Clear current menu active_preset_item = NULL; for (GList* items = g_list_nth(gtk_container_get_children(pset_menu), 3); items; items = items->next) { gtk_container_remove(pset_menu, GTK_WIDGET(items->data)); } // Load presets and build new menu PresetMenu menu = {NULL, NULL, GTK_MENU(pset_menu), g_sequence_new((GDestroyNotify)pset_menu_free)}; jalv_load_presets(jalv, add_preset_to_menu, &menu); finish_menu(&menu); gtk_widget_show_all(GTK_WIDGET(pset_menu)); } static void on_save_preset_activate(GtkWidget* widget, void* ptr) { Jalv* jalv = (Jalv*)ptr; GtkWidget* dialog = gtk_file_chooser_dialog_new("Save Preset", (GtkWindow*)jalv->window, GTK_FILE_CHOOSER_ACTION_SAVE, "_Cancel", GTK_RESPONSE_REJECT, "_Save", GTK_RESPONSE_ACCEPT, NULL); char* dot_lv2 = g_build_filename(g_get_home_dir(), ".lv2", NULL); gtk_file_chooser_set_current_folder(GTK_FILE_CHOOSER(dialog), dot_lv2); free(dot_lv2); GtkWidget* content = gtk_dialog_get_content_area(GTK_DIALOG(dialog)); GtkBox* box = GTK_BOX(new_box(true, 8)); GtkWidget* uri_label = gtk_label_new("URI (Optional):"); GtkWidget* uri_entry = gtk_entry_new(); GtkWidget* add_prefix = gtk_check_button_new_with_mnemonic("_Prefix plugin name"); gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(add_prefix), TRUE); gtk_box_pack_start(box, uri_label, FALSE, TRUE, 2); gtk_box_pack_start(box, uri_entry, TRUE, TRUE, 2); gtk_box_pack_start(GTK_BOX(content), GTK_WIDGET(box), FALSE, FALSE, 6); gtk_box_pack_start(GTK_BOX(content), add_prefix, FALSE, FALSE, 6); gtk_widget_show_all(GTK_WIDGET(dialog)); gtk_entry_set_activates_default(GTK_ENTRY(uri_entry), TRUE); gtk_dialog_set_default_response(GTK_DIALOG(dialog), GTK_RESPONSE_ACCEPT); if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) { LilvNode* plug_name = lilv_plugin_get_name(jalv->plugin); const char* path = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog)); const char* uri = gtk_entry_get_text(GTK_ENTRY(uri_entry)); const char* prefix = ""; const char* sep = ""; if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(add_prefix))) { prefix = lilv_node_as_string(plug_name); sep = "_"; } char* dirname = g_path_get_dirname(path); char* basename = g_path_get_basename(path); char* sym = symbolify(basename); char* sprefix = symbolify(prefix); char* bundle = g_strjoin(NULL, sprefix, sep, sym, ".preset.lv2/", NULL); char* file = g_strjoin(NULL, sym, ".ttl", NULL); char* dir = g_build_filename(dirname, bundle, NULL); jalv_save_preset(jalv, dir, (strlen(uri) ? uri : NULL), basename, file); // Reload bundle into the world LilvNode* ldir = lilv_new_file_uri(jalv->world, NULL, dir); lilv_world_unload_bundle(jalv->world, ldir); lilv_world_load_bundle(jalv->world, ldir); lilv_node_free(ldir); // Rebuild preset menu and update window title rebuild_preset_menu(jalv, GTK_CONTAINER(gtk_widget_get_parent(widget))); set_window_title(jalv); g_free(dir); g_free(file); g_free(bundle); free(sprefix); free(sym); g_free(basename); g_free(dirname); lilv_node_free(plug_name); } gtk_widget_destroy(GTK_WIDGET(dialog)); } static void on_delete_preset_activate(GtkWidget* widget, void* ptr) { Jalv* jalv = (Jalv*)ptr; if (!jalv->preset) { return; } GtkWidget* dialog = gtk_dialog_new_with_buttons( "Delete Preset?", (GtkWindow*)jalv->window, (GtkDialogFlags)(GTK_DIALOG_MODAL | GTK_DIALOG_DESTROY_WITH_PARENT), "_Cancel", GTK_RESPONSE_REJECT, "_OK", GTK_RESPONSE_ACCEPT, NULL); char* msg = g_strdup_printf("Delete preset \"%s\" from the file system?", lilv_state_get_label(jalv->preset)); GtkWidget* content = gtk_dialog_get_content_area(GTK_DIALOG(dialog)); GtkWidget* text = gtk_label_new(msg); gtk_box_pack_start(GTK_BOX(content), text, TRUE, TRUE, 4); gtk_widget_show_all(dialog); if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) { jalv_delete_current_preset(jalv); rebuild_preset_menu(jalv, GTK_CONTAINER(gtk_widget_get_parent(widget))); } lilv_state_free(jalv->preset); jalv->preset = NULL; set_window_title(jalv); g_free(msg); gtk_widget_destroy(text); gtk_widget_destroy(dialog); } static void set_control(const ControlID* control, uint32_t size, LV2_URID type, const void* body) { if (!updating) { jalv_set_control(control, size, type, body); } } static bool differ_enough(float a, float b) { return fabsf(a - b) >= FLT_EPSILON; } static void set_float_control(const ControlID* control, float value) { if (control->value_type == control->jalv->forge.Int) { const int32_t ival = lrintf(value); set_control(control, sizeof(ival), control->jalv->forge.Int, &ival); } else if (control->value_type == control->jalv->forge.Long) { const int64_t lval = lrintf(value); set_control(control, sizeof(lval), control->jalv->forge.Long, &lval); } else if (control->value_type == control->jalv->forge.Float) { set_control(control, sizeof(value), control->jalv->forge.Float, &value); } else if (control->value_type == control->jalv->forge.Double) { const double dval = value; set_control(control, sizeof(dval), control->jalv->forge.Double, &dval); } else if (control->value_type == control->jalv->forge.Bool) { const int32_t ival = value; set_control(control, sizeof(ival), control->jalv->forge.Bool, &ival); } Controller* controller = (Controller*)control->widget; if (controller && controller->spin && differ_enough(gtk_spin_button_get_value(controller->spin), value)) { gtk_spin_button_set_value(controller->spin, value); } } static double get_atom_double(Jalv* jalv, uint32_t ZIX_UNUSED(size), LV2_URID type, const void* body) { if (type == jalv->forge.Int || type == jalv->forge.Bool) { return *(const int32_t*)body; } if (type == jalv->forge.Long) { return *(const int64_t*)body; } if (type == jalv->forge.Float) { return *(const float*)body; } if (type == jalv->forge.Double) { return *(const double*)body; } return NAN; } static void control_changed(Jalv* jalv, Controller* controller, uint32_t size, LV2_URID type, const void* body) { GtkWidget* widget = controller->control; const double fvalue = get_atom_double(jalv, size, type, body); if (!isnan(fvalue)) { if (GTK_IS_COMBO_BOX(widget)) { GtkTreeModel* model = gtk_combo_box_get_model(GTK_COMBO_BOX(widget)); GValue value = {0, {{0}}}; GtkTreeIter i; bool valid = gtk_tree_model_get_iter_first(model, &i); while (valid) { gtk_tree_model_get_value(model, &i, 0, &value); const double v = g_value_get_float(&value); g_value_unset(&value); if (fabs(v - fvalue) < FLT_EPSILON) { gtk_combo_box_set_active_iter(GTK_COMBO_BOX(widget), &i); return; } valid = gtk_tree_model_iter_next(model, &i); } } else if (GTK_IS_TOGGLE_BUTTON(widget)) { gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(widget), fvalue > 0.0f); } else if (GTK_IS_RANGE(widget)) { gtk_range_set_value(GTK_RANGE(widget), fvalue); } else { fprintf(stderr, "Unknown widget type for value\n"); } if (controller->spin) { // Update spinner for numeric control gtk_spin_button_set_value(GTK_SPIN_BUTTON(controller->spin), fvalue); } } else if (GTK_IS_ENTRY(widget) && type == jalv->urids.atom_String) { gtk_entry_set_text(GTK_ENTRY(widget), (const char*)body); } else if (GTK_IS_FILE_CHOOSER(widget) && type == jalv->urids.atom_Path) { gtk_file_chooser_set_filename(GTK_FILE_CHOOSER(widget), (const char*)body); } else { fprintf(stderr, "Unknown widget type for value\n"); } } static int patch_set_get(Jalv* jalv, const LV2_Atom_Object* obj, const LV2_Atom_URID** property, const LV2_Atom** value) { lv2_atom_object_get(obj, jalv->urids.patch_property, (const LV2_Atom*)property, jalv->urids.patch_value, value, 0); if (!*property) { fprintf(stderr, "patch:Set message with no property\n"); return 1; } if ((*property)->atom.type != jalv->forge.URID) { fprintf(stderr, "patch:Set property is not a URID\n"); return 1; } return 0; } static int patch_put_get(Jalv* jalv, const LV2_Atom_Object* obj, const LV2_Atom_Object** body) { lv2_atom_object_get(obj, jalv->urids.patch_body, (const LV2_Atom*)body, 0); if (!*body) { fprintf(stderr, "patch:Put message with no body\n"); return 1; } if (!lv2_atom_forge_is_object_type(&jalv->forge, (*body)->atom.type)) { fprintf(stderr, "patch:Put body is not an object\n"); return 1; } return 0; } static LV2UI_Request_Value_Status on_request_value(LV2UI_Feature_Handle handle, const LV2_URID key, const LV2_URID ZIX_UNUSED(type), const LV2_Feature* const* ZIX_UNUSED(features)) { Jalv* jalv = (Jalv*)handle; ControlID* control = get_property_control(&jalv->controls, key); if (!control) { return LV2UI_REQUEST_VALUE_ERR_UNKNOWN; } if (control->value_type != jalv->forge.Path) { return LV2UI_REQUEST_VALUE_ERR_UNSUPPORTED; } GtkWidget* dialog = gtk_file_chooser_dialog_new("Choose file", GTK_WINDOW(jalv->window), GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_OK, GTK_RESPONSE_OK, NULL); if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_OK) { char* path = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(dialog)); set_control(control, strlen(path) + 1, jalv->forge.Path, path); g_free(path); } gtk_widget_destroy(dialog); return 0; } static void property_changed(Jalv* jalv, LV2_URID key, const LV2_Atom* value) { ControlID* control = get_property_control(&jalv->controls, key); if (control) { control_changed( jalv, (Controller*)control->widget, value->size, value->type, value + 1); } } void jalv_ui_port_event(Jalv* jalv, uint32_t port_index, uint32_t buffer_size, uint32_t protocol, const void* buffer) { if (jalv->ui_instance) { suil_instance_port_event( jalv->ui_instance, port_index, buffer_size, protocol, buffer); return; } if (protocol == 0 && (Controller*)jalv->ports[port_index].widget) { control_changed(jalv, (Controller*)jalv->ports[port_index].widget, buffer_size, jalv->forge.Float, buffer); return; } if (protocol == 0) { return; // No widget (probably notOnGUI) } if (protocol != jalv->urids.atom_eventTransfer) { fprintf(stderr, "Unknown port event protocol\n"); return; } const LV2_Atom* atom = (const LV2_Atom*)buffer; if (lv2_atom_forge_is_object_type(&jalv->forge, atom->type)) { updating = true; const LV2_Atom_Object* obj = (const LV2_Atom_Object*)buffer; if (obj->body.otype == jalv->urids.patch_Set) { const LV2_Atom_URID* property = NULL; const LV2_Atom* value = NULL; if (!patch_set_get(jalv, obj, &property, &value)) { property_changed(jalv, property->body, value); } } else if (obj->body.otype == jalv->urids.patch_Put) { const LV2_Atom_Object* body = NULL; if (!patch_put_get(jalv, obj, &body)) { LV2_ATOM_OBJECT_FOREACH(body, prop) { property_changed(jalv, prop->key, &prop->value); } } } else { printf("Unknown object type?\n"); } updating = false; } } static gboolean scale_changed(GtkRange* range, gpointer data) { set_float_control((const ControlID*)data, gtk_range_get_value(range)); return FALSE; } static gboolean spin_changed(GtkSpinButton* spin, gpointer data) { const ControlID* control = (const ControlID*)data; Controller* controller = (Controller*)control->widget; GtkRange* range = GTK_RANGE(controller->control); const double value = gtk_spin_button_get_value(spin); if (differ_enough(gtk_range_get_value(range), value)) { gtk_range_set_value(range, value); } return FALSE; } static gboolean log_scale_changed(GtkRange* range, gpointer data) { set_float_control((const ControlID*)data, expf(gtk_range_get_value(range))); return FALSE; } static gboolean log_spin_changed(GtkSpinButton* spin, gpointer data) { const ControlID* control = (const ControlID*)data; Controller* controller = (Controller*)control->widget; GtkRange* range = GTK_RANGE(controller->control); const double value = gtk_spin_button_get_value(spin); if (differ_enough(gtk_range_get_value(range), logf(value))) { gtk_range_set_value(range, logf(value)); } return FALSE; } static void combo_changed(GtkComboBox* box, gpointer data) { const ControlID* control = (const ControlID*)data; GtkTreeIter iter; if (gtk_combo_box_get_active_iter(box, &iter)) { GtkTreeModel* model = gtk_combo_box_get_model(box); GValue value = {0, {{0}}}; gtk_tree_model_get_value(model, &iter, 0, &value); const double v = g_value_get_float(&value); g_value_unset(&value); set_float_control(control, v); } } static gboolean toggle_changed(GtkToggleButton* button, gpointer data) { set_float_control((const ControlID*)data, gtk_toggle_button_get_active(button) ? 1.0f : 0.0f); return FALSE; } static void string_changed(GtkEntry* widget, gpointer data) { ControlID* control = (ControlID*)data; const char* string = gtk_entry_get_text(widget); set_control(control, strlen(string) + 1, control->jalv->forge.String, string); } static void file_changed(GtkFileChooserButton* widget, gpointer data) { ControlID* control = (ControlID*)data; Jalv* jalv = control->jalv; const char* filename = gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(widget)); set_control(control, strlen(filename) + 1, jalv->forge.Path, filename); } static Controller* new_controller(GtkSpinButton* spin, GtkWidget* control) { Controller* controller = (Controller*)malloc(sizeof(Controller)); controller->spin = spin; controller->control = control; return controller; } static Controller* make_combo(ControlID* record, float value) { GtkListStore* list_store = gtk_list_store_new(2, G_TYPE_FLOAT, G_TYPE_STRING); int active = -1; for (size_t i = 0; i < record->n_points; ++i) { const ScalePoint* point = &record->points[i]; GtkTreeIter iter; gtk_list_store_append(list_store, &iter); gtk_list_store_set(list_store, &iter, 0, point->value, 1, point->label, -1); if (fabsf(value - point->value) < FLT_EPSILON) { active = i; } } GtkWidget* combo = gtk_combo_box_new_with_model(GTK_TREE_MODEL(list_store)); gtk_combo_box_set_active(GTK_COMBO_BOX(combo), active); g_object_unref(list_store); gtk_widget_set_sensitive(combo, record->is_writable); GtkCellRenderer* cell = gtk_cell_renderer_text_new(); gtk_cell_layout_pack_start(GTK_CELL_LAYOUT(combo), cell, TRUE); gtk_cell_layout_set_attributes(GTK_CELL_LAYOUT(combo), cell, "text", 1, NULL); if (record->is_writable) { g_signal_connect( G_OBJECT(combo), "changed", G_CALLBACK(combo_changed), record); } return new_controller(NULL, combo); } static Controller* make_log_slider(ControlID* record, float value) { const float min = get_float(record->min, 0.0f); const float max = get_float(record->max, 1.0f); const float lmin = logf(min); const float lmax = logf(max); const float ldft = logf(value); GtkWidget* scale = new_hscale(lmin, lmax, 0.001); GtkWidget* spin = gtk_spin_button_new_with_range(min, max, 0.000001); gtk_widget_set_sensitive(scale, record->is_writable); gtk_widget_set_sensitive(spin, record->is_writable); gtk_scale_set_draw_value(GTK_SCALE(scale), FALSE); gtk_range_set_value(GTK_RANGE(scale), ldft); gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value); if (record->is_writable) { g_signal_connect( G_OBJECT(scale), "value-changed", G_CALLBACK(log_scale_changed), record); g_signal_connect( G_OBJECT(spin), "value-changed", G_CALLBACK(log_spin_changed), record); } return new_controller(GTK_SPIN_BUTTON(spin), scale); } static Controller* make_slider(ControlID* record, float value) { const float min = get_float(record->min, 0.0f); const float max = get_float(record->max, 1.0f); const double step = record->is_integer ? 1.0 : ((max - min) / 100.0); GtkWidget* scale = new_hscale(min, max, step); GtkWidget* spin = gtk_spin_button_new_with_range(min, max, step); gtk_widget_set_sensitive(scale, record->is_writable); gtk_widget_set_sensitive(spin, record->is_writable); if (record->is_integer) { gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), 0); } else { gtk_spin_button_set_digits(GTK_SPIN_BUTTON(spin), 7); } gtk_scale_set_draw_value(GTK_SCALE(scale), FALSE); gtk_range_set_value(GTK_RANGE(scale), value); gtk_spin_button_set_value(GTK_SPIN_BUTTON(spin), value); if (record->points) { for (size_t i = 0; i < record->n_points; ++i) { const ScalePoint* point = &record->points[i]; gchar* str = g_markup_printf_escaped( "%s", point->label); gtk_scale_add_mark(GTK_SCALE(scale), point->value, GTK_POS_TOP, str); } } if (record->is_writable) { g_signal_connect( G_OBJECT(scale), "value-changed", G_CALLBACK(scale_changed), record); g_signal_connect( G_OBJECT(spin), "value-changed", G_CALLBACK(spin_changed), record); } return new_controller(GTK_SPIN_BUTTON(spin), scale); } static Controller* make_toggle(ControlID* record, float value) { GtkWidget* check = gtk_check_button_new(); gtk_widget_set_sensitive(check, record->is_writable); if (value) { gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(check), TRUE); } if (record->is_writable) { g_signal_connect( G_OBJECT(check), "toggled", G_CALLBACK(toggle_changed), record); } return new_controller(NULL, check); } static Controller* make_entry(ControlID* control) { GtkWidget* entry = gtk_entry_new(); gtk_widget_set_sensitive(entry, control->is_writable); if (control->is_writable) { g_signal_connect( G_OBJECT(entry), "activate", G_CALLBACK(string_changed), control); } return new_controller(NULL, entry); } static Controller* make_file_chooser(ControlID* record) { GtkWidget* button = gtk_file_chooser_button_new("Open File", GTK_FILE_CHOOSER_ACTION_OPEN); gtk_widget_set_sensitive(button, record->is_writable); if (record->is_writable) { g_signal_connect( G_OBJECT(button), "file-set", G_CALLBACK(file_changed), record); } return new_controller(NULL, button); } static Controller* make_controller(ControlID* control, float value) { Controller* controller = NULL; if (control->is_toggle) { controller = make_toggle(control, value); } else if (control->is_enumeration) { controller = make_combo(control, value); } else if (control->is_logarithmic) { controller = make_log_slider(control, value); } else { controller = make_slider(control, value); } return controller; } static GtkWidget* new_label(const char* text, bool title, float xalign, float yalign) { GtkWidget* label = gtk_label_new(NULL); const char* fmt = title ? "%s" : "%s:"; gchar* str = g_markup_printf_escaped(fmt, text); gtk_label_set_markup(GTK_LABEL(label), str); g_free(str); gtk_misc_set_alignment(GTK_MISC(label), xalign, yalign); return label; } static void add_control_row(GtkWidget* table, int row, const char* name, Controller* controller) { GtkWidget* label = new_label(name, false, 1.0, 0.5); gtk_table_attach(GTK_TABLE(table), label, 0, 1, row, row + 1, GTK_FILL, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), 8, 1); int control_left_attach = 1; if (controller->spin) { control_left_attach = 2; gtk_table_attach(GTK_TABLE(table), GTK_WIDGET(controller->spin), 1, 2, row, row + 1, GTK_FILL, GTK_FILL, 2, 1); } gtk_table_attach(GTK_TABLE(table), controller->control, control_left_attach, 3, row, row + 1, (GtkAttachOptions)(GTK_FILL | GTK_EXPAND), GTK_FILL, 2, 1); } static int control_group_cmp(const void* p1, const void* p2, void* ZIX_UNUSED(data)) { const ControlID* control1 = *(const ControlID* const*)p1; const ControlID* control2 = *(const ControlID* const*)p2; const int cmp = (control1->group && control2->group) ? strcmp(lilv_node_as_string(control1->group), lilv_node_as_string(control2->group)) : ((intptr_t)control1->group - (intptr_t)control2->group); return cmp; } static GtkWidget* build_control_widget(Jalv* jalv, GtkWidget* window) { GtkWidget* port_table = gtk_table_new(jalv->num_ports, 3, false); // Make an array of controls sorted by group GArray* controls = g_array_new(FALSE, TRUE, sizeof(ControlID*)); for (unsigned i = 0; i < jalv->controls.n_controls; ++i) { g_array_append_vals(controls, &jalv->controls.controls[i], 1); } g_array_sort_with_data(controls, control_group_cmp, jalv); // Add controls in group order LilvNode* last_group = NULL; int n_rows = 0; for (size_t i = 0; i < controls->len; ++i) { ControlID* record = g_array_index(controls, ControlID*, i); Controller* controller = NULL; LilvNode* group = record->group; // Check group and add new heading if necessary if (group && !lilv_node_equals(group, last_group)) { LilvNode* group_name = lilv_world_get(jalv->world, group, jalv->nodes.lv2_name, NULL); GtkWidget* group_label = new_label(lilv_node_as_string(group_name), true, 0.0f, 1.0f); gtk_table_attach(GTK_TABLE(port_table), group_label, 0, 2, n_rows, n_rows + 1, GTK_FILL, GTK_FILL, 0, 6); ++n_rows; } last_group = group; // Make control widget if (record->value_type == jalv->forge.String) { controller = make_entry(record); } else if (record->value_type == jalv->forge.Path) { controller = make_file_chooser(record); } else { const float val = get_float(record->def, 0.0f); controller = make_controller(record, val); } record->widget = controller; if (record->type == PORT) { jalv->ports[record->index].widget = controller; } if (controller) { // Add row to table for this controller add_control_row(port_table, n_rows++, (record->label ? lilv_node_as_string(record->label) : lilv_node_as_uri(record->node)), controller); // Set tooltip text from comment, if available LilvNode* comment = lilv_world_get( jalv->world, record->node, jalv->nodes.rdfs_comment, NULL); if (comment) { gtk_widget_set_tooltip_text(controller->control, lilv_node_as_string(comment)); } lilv_node_free(comment); } } if (n_rows > 0) { gtk_window_set_resizable(GTK_WINDOW(window), TRUE); GtkWidget* alignment = gtk_alignment_new(0.5, 0.0, 1.0, 0.0); gtk_alignment_set_padding(GTK_ALIGNMENT(alignment), 0, 0, 8, 8); gtk_container_add(GTK_CONTAINER(alignment), port_table); return alignment; } gtk_widget_destroy(port_table); GtkWidget* button = gtk_button_new_with_label("Close"); g_signal_connect_swapped( button, "clicked", G_CALLBACK(gtk_widget_destroy), window); gtk_window_set_resizable(GTK_WINDOW(window), FALSE); return button; } static void build_menu(Jalv* jalv, GtkWidget* window, GtkWidget* vbox) { GtkWidget* menu_bar = gtk_menu_bar_new(); GtkWidget* file = gtk_menu_item_new_with_mnemonic("_File"); GtkWidget* file_menu = gtk_menu_new(); GtkAccelGroup* ag = gtk_accel_group_new(); gtk_window_add_accel_group(GTK_WINDOW(window), ag); GtkWidget* save = gtk_image_menu_item_new_from_stock(GTK_STOCK_SAVE, ag); GtkWidget* quit = gtk_image_menu_item_new_from_stock(GTK_STOCK_QUIT, ag); gtk_menu_item_set_submenu(GTK_MENU_ITEM(file), file_menu); gtk_menu_shell_append(GTK_MENU_SHELL(file_menu), save); gtk_menu_shell_append(GTK_MENU_SHELL(file_menu), quit); gtk_menu_shell_append(GTK_MENU_SHELL(menu_bar), file); GtkWidget* pset_item = gtk_menu_item_new_with_mnemonic("_Presets"); GtkWidget* pset_menu = gtk_menu_new(); GtkWidget* save_preset = gtk_menu_item_new_with_mnemonic("_Save Preset..."); GtkWidget* delete_preset = gtk_menu_item_new_with_mnemonic("_Delete Current Preset..."); gtk_menu_item_set_submenu(GTK_MENU_ITEM(pset_item), pset_menu); gtk_menu_shell_append(GTK_MENU_SHELL(pset_menu), save_preset); gtk_menu_shell_append(GTK_MENU_SHELL(pset_menu), delete_preset); gtk_menu_shell_append(GTK_MENU_SHELL(pset_menu), gtk_separator_menu_item_new()); gtk_menu_shell_append(GTK_MENU_SHELL(menu_bar), pset_item); PresetMenu menu = {NULL, NULL, GTK_MENU(pset_menu), g_sequence_new((GDestroyNotify)pset_menu_free)}; jalv_load_presets(jalv, add_preset_to_menu, &menu); finish_menu(&menu); g_signal_connect( G_OBJECT(quit), "activate", G_CALLBACK(on_quit_activate), window); g_signal_connect( G_OBJECT(save), "activate", G_CALLBACK(on_save_activate), jalv); g_signal_connect(G_OBJECT(save_preset), "activate", G_CALLBACK(on_save_preset_activate), jalv); g_signal_connect(G_OBJECT(delete_preset), "activate", G_CALLBACK(on_delete_preset_activate), jalv); gtk_box_pack_start(GTK_BOX(vbox), menu_bar, FALSE, FALSE, 0); } bool jalv_discover_ui(Jalv* ZIX_UNUSED(jalv)) { return TRUE; } float jalv_ui_refresh_rate(Jalv* ZIX_UNUSED(jalv)) { #if GTK_MAJOR_VERSION == 2 return 30.0f; #else GdkDisplay* const display = gdk_display_get_default(); GdkMonitor* const monitor = gdk_display_get_primary_monitor(display); const float rate = (float)gdk_monitor_get_refresh_rate(monitor); return rate < 30.0f ? 30.0f : rate; #endif } float jalv_ui_scale_factor(Jalv* ZIX_UNUSED(jalv)) { #if GTK_MAJOR_VERSION == 2 return 1.0f; #else GdkDisplay* const display = gdk_display_get_default(); GdkMonitor* const monitor = gdk_display_get_primary_monitor(display); return (float)gdk_monitor_get_scale_factor(monitor); #endif } int jalv_open_ui(Jalv* jalv) { GtkWidget* window = gtk_window_new(GTK_WINDOW_TOPLEVEL); jalv->window = window; g_signal_connect(window, "destroy", G_CALLBACK(on_window_destroy), jalv); set_window_title(jalv); GtkWidget* vbox = new_box(false, 0); gtk_window_set_role(GTK_WINDOW(window), "plugin_ui"); gtk_container_add(GTK_CONTAINER(window), vbox); if (!jalv->opts.no_menu) { build_menu(jalv, window, vbox); } // Create/show alignment to contain UI (whether custom or generic) GtkWidget* alignment = gtk_alignment_new(0.5, 0.5, 1.0, 1.0); gtk_box_pack_start(GTK_BOX(vbox), alignment, TRUE, TRUE, 0); gtk_widget_show(alignment); // Attempt to instantiate custom UI if necessary if (jalv->ui && !jalv->opts.generic_ui) { jalv_ui_instantiate(jalv, jalv_native_ui_type(), alignment); } jalv->features.request_value.request = on_request_value; if (jalv->ui_instance) { GtkWidget* widget = (GtkWidget*)suil_instance_get_widget(jalv->ui_instance); gtk_container_add(GTK_CONTAINER(alignment), widget); gtk_window_set_resizable(GTK_WINDOW(window), jalv_ui_is_resizable(jalv)); gtk_widget_show_all(vbox); gtk_widget_grab_focus(widget); } else { GtkWidget* controls = build_control_widget(jalv, window); GtkWidget* scroll_win = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_add_with_viewport(GTK_SCROLLED_WINDOW(scroll_win), controls); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scroll_win), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_container_add(GTK_CONTAINER(alignment), scroll_win); gtk_widget_show_all(vbox); GtkRequisition controls_size = {0, 0}; GtkRequisition box_size = {0, 0}; size_request(GTK_WIDGET(controls), &controls_size); size_request(GTK_WIDGET(vbox), &box_size); gtk_window_set_default_size( GTK_WINDOW(window), MAX(MAX(box_size.width, controls_size.width) + 24, 640), box_size.height + controls_size.height); } jalv_init_ui(jalv); g_timeout_add(1000 / jalv->ui_update_hz, (GSourceFunc)jalv_update, jalv); gtk_window_present(GTK_WINDOW(window)); gtk_main(); suil_instance_free(jalv->ui_instance); jalv->ui_instance = NULL; zix_sem_post(&jalv->done); return 0; } int jalv_close_ui(Jalv* ZIX_UNUSED(jalv)) { gtk_main_quit(); return 0; } LV2_RESTORE_WARNINGS