--- /dev/null
+#ifdef HAVE_LV2UI
+
+// shared between parent/child fork
+#include "language.h"
+#include "pluginlv2ui.h"
+
+#include <gtk/gtk.h>
+#include <gdk/gdk.h>
+
+#include <ctype.h>
+#include <string.h>
+
+int PluginLV2UI::init_ui(const char *path, int sample_rate)
+{
+ if( load_lv2(path, title) ) return 1;
+ if( init_lv2(config, sample_rate) ) return 1;
+
+ lilv_uis = lilv_plugin_get_uis(lilv);
+ if( !lilv_uis ) {
+ printf("lv2: lilv_plugin_get_uis(%s) failed\n", path);
+ return 1;
+ }
+
+ if( gtk_type ) {
+ LilvNode *gui_type = lilv_new_uri(world, gtk_type);
+ LILV_FOREACH(uis, i, lilv_uis) {
+ const LilvUI *ui = lilv_uis_get(lilv_uis, i);
+ if( lilv_ui_is_supported(ui, suil_ui_supported, gui_type, &lilv_type)) {
+ lilv_ui = ui;
+ break;
+ }
+ }
+ lilv_node_free(gui_type);
+ }
+ if( !lilv_ui )
+ lilv_ui = lilv_uis_get(lilv_uis, lilv_uis_begin(lilv_uis));
+ if( !lilv_ui ) {
+ printf("lv2_gui: init_ui failed: %s\n", title);
+ return 1;
+ }
+
+ lilv_instance_activate(inst);
+ return 0;
+}
+
+void PluginLV2UI::update_value(int idx, uint32_t bfrsz, uint32_t typ, const void *bfr)
+{
+ if( idx >= config.nb_ports ) return;
+ for( int i=0, sz=config.size(); i<sz; ++i ) {
+ PluginLV2Client_Opt *opt = config[i];
+ if( opt->idx == idx ) {
+ opt->set_value(*(const float*)bfr);
+//printf("set %s = %f\n", opt->get_symbol(), opt->get_value());
+ ++updates;
+ break;
+ }
+ }
+}
+void PluginLV2UI::write_from_ui(void *the, uint32_t idx,
+ uint32_t bfrsz, uint32_t typ, const void *bfr)
+{
+ ((PluginLV2UI*)the)->update_value(idx, bfrsz, typ, bfr);
+}
+
+uint32_t PluginLV2UI::port_index(void* obj, const char* sym)
+{
+ PluginLV2UI *the = (PluginLV2UI*)obj;
+ for( int i=0, sz=the->config.size(); i<sz; ++i ) {
+ PluginLV2Client_Opt *opt = the->config[i];
+ if( !strcmp(sym, opt->sym) ) return opt->idx;
+ }
+ return UINT32_MAX;
+}
+
+void PluginLV2UI::update_control(int idx, uint32_t bfrsz, uint32_t typ, const void *bfr)
+{
+ if( !sinst || idx >= config.nb_ports ) return;
+ suil_instance_port_event(sinst, idx, bfrsz, typ, bfr);
+}
+
+
+#if 0
+void PluginLV2UI::touch(void *obj, uint32_t pidx, bool grabbed)
+{
+ PluginLV2UI* the = (PluginLV2GUI*)obj;
+ int idx = pidx;
+ if( idx >= the->config.nb_ports ) return;
+printf("%s %s(%u)\n", (grabbed? _("press") : _("release")),
+ the->config.names[idx], idx);
+}
+#endif
+
+uint32_t PluginLV2UI::uri_to_id(LV2_URID_Map_Handle handle, const char *map, const char *uri)
+{
+ return ((PluginLV2UriTable *)handle)->map(uri);
+}
+
+LV2_URID PluginLV2UI::uri_table_map(LV2_URID_Map_Handle handle, const char *uri)
+{
+ return ((PluginLV2UriTable *)handle)->map(uri);
+}
+
+const char *PluginLV2UI::uri_table_unmap(LV2_URID_Map_Handle handle, LV2_URID urid)
+{
+ return ((PluginLV2UriTable *)handle)->unmap(urid);
+}
+
+void PluginLV2UI::lv2ui_instantiate(void *parent)
+{
+ if ( !ui_host ) {
+ ui_host = suil_host_new(
+ PluginLV2UI::write_from_ui,
+ PluginLV2UI::port_index,
+ 0, 0);
+// suil_host_set_touch_func(ui_host,
+// PluginLV2GUI::touch);
+ }
+
+ features.remove(); // remove terminating zero
+ ui_features = features.size();
+ LV2_Handle lilv_handle = lilv_instance_get_handle(inst);
+ features.append(new Lv2Feature(NS_EXT "instance-access", lilv_handle));
+ const LV2_Descriptor *lilv_desc = lilv_instance_get_descriptor(inst);
+ ext_data = new LV2_Extension_Data_Feature();
+ ext_data->data_access = lilv_desc->extension_data;
+ features.append(new Lv2Feature(LV2_DATA_ACCESS_URI, ext_data));
+ features.append(new Lv2Feature(LV2_UI__parent, parent));
+ features.append(new Lv2Feature(LV2_UI__idleInterface, 0));
+ features.append(0); // add new terminating zero
+
+ const char* bundle_uri = lilv_node_as_uri(lilv_ui_get_bundle_uri(lilv_ui));
+ char* bundle_path = lilv_file_uri_parse(bundle_uri, NULL);
+ const char* binary_uri = lilv_node_as_uri(lilv_ui_get_binary_uri(lilv_ui));
+ char* binary_path = lilv_file_uri_parse(binary_uri, NULL);
+ sinst = suil_instance_new(ui_host, this, gtk_type,
+ lilv_node_as_uri(lilv_plugin_get_uri(lilv)),
+ lilv_node_as_uri(lilv_ui_get_uri(lilv_ui)),
+ lilv_node_as_uri(lilv_type),
+ bundle_path, binary_path, features);
+
+ lilv_free(binary_path);
+ lilv_free(bundle_path);
+}
+
+bool PluginLV2UI::lv2ui_resizable()
+{
+ if( !lilv_ui ) return false;
+ const LilvNode* s = lilv_ui_get_uri(lilv_ui);
+ LilvNode *p = lilv_new_uri(world, LV2_CORE__optionalFeature);
+ LilvNode *fs = lilv_new_uri(world, LV2_UI__fixedSize);
+ LilvNode *nrs = lilv_new_uri(world, LV2_UI__noUserResize);
+ LilvNodes *fs_matches = lilv_world_find_nodes(world, s, p, fs);
+ LilvNodes *nrs_matches = lilv_world_find_nodes(world, s, p, nrs);
+ lilv_nodes_free(nrs_matches);
+ lilv_nodes_free(fs_matches);
+ lilv_node_free(nrs);
+ lilv_node_free(fs);
+ lilv_node_free(p);
+ return !fs_matches && !nrs_matches;
+}
+
+int PluginLV2UI::update_lv2(float *vals, int force)
+{
+ int ret = 0;
+ float *ctls = (float *)config.ctls;
+ for( int i=0; i<config.size(); ++i ) {
+ int idx = config[i]->idx;
+ float val = vals[idx];
+ if( !force && ctls[idx] == val ) continue;
+ update_control(idx, sizeof(val), 0, &val);
+ ++ret;
+ }
+ for( int i=0; i<config.nb_ports; ++i ) ctls[i] = vals[i];
+ return ret;
+}
+
+static void lilv_destroy(GtkWidget* widget, gpointer data)
+{
+ PluginLV2UI *the = (PluginLV2UI*)data;
+ the->hidden = 1;
+ the->top_level = 0;
+ ++the->updates;
+}
+
+void PluginLV2UI::start_gui()
+{
+ top_level = gtk_window_new(GTK_WINDOW_TOPLEVEL);
+ g_signal_connect(top_level, "destroy", G_CALLBACK(lilv_destroy), this);
+ gtk_window_set_title(GTK_WINDOW(top_level), title);
+
+ GtkWidget *vbox = gtk_vbox_new(FALSE, 0);
+ gtk_window_set_role(GTK_WINDOW(top_level), "plugin_ui");
+ gtk_container_add(GTK_CONTAINER(top_level), vbox);
+
+ 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);
+ lv2ui_instantiate(alignment);
+ GtkWidget* widget = (GtkWidget*)suil_instance_get_widget(sinst);
+ gtk_container_add(GTK_CONTAINER(alignment), widget);
+ gtk_window_set_resizable(GTK_WINDOW(top_level), lv2ui_resizable());
+ gtk_widget_show_all(vbox);
+ gtk_widget_grab_focus(widget);
+ float *ctls = (float *)config.ctls;
+ update_lv2(ctls, 1);
+ connect_ports(config, TYP_CONTROL);
+ lilv_instance_run(inst, 0);
+ gtk_window_present(GTK_WINDOW(top_level));
+}
+
+
+void PluginLV2UI::host_update(PluginLV2ChildUI *child)
+{
+//printf("update\n");
+ host_updates = updates;
+ if( !child ) return;
+ if( host_hidden != hidden ) {
+ host_hidden = hidden;
+ if( hidden ) reset_gui();
+ child->send_parent(hidden ? LV2_HIDE : LV2_SHOW, 0, 0);
+ }
+ if( running < 0 ) { running = 1; return; }
+ child->send_parent(LV2_UPDATE, config.ctls, sizeof(float)*config.nb_ports);
+}
+
+void PluginLV2UI::reset_gui()
+{
+ if( sinst ) { suil_instance_free(sinst); sinst = 0; }
+ if( ui_host ) { suil_host_free(ui_host); ui_host = 0; }
+ if( top_level ) { gtk_widget_destroy(top_level); top_level = 0; }
+
+ while( features.size() > ui_features ) features.remove_object();
+ features.append(0);
+ hidden = 1;
+}
+
+
+// child main
+int PluginLV2UI::run_ui(PluginLV2ChildUI *child)
+{
+ running = 1;
+ while( !done ) {
+ if( gtk_events_pending() ) {
+ gtk_main_iteration();
+ continue;
+ }
+ if( running && host_updates != updates )
+ host_update(child);
+ if( redraw ) {
+ redraw = 0;
+ update_lv2(config.ctls, 1);
+ }
+ if( !child ) usleep(10000);
+ else if( child->child_iteration() < 0 )
+ done = 1;
+ }
+ running = 0;
+ return 0;
+}
+
+void PluginLV2UI::run_buffer(int shmid)
+{
+ if( !shm_buffer(shmid) ) return;
+ map_buffer();
+ int samples = shm_bfr->samples;
+ connect_ports(config);
+ lilv_instance_run(inst, samples);
+ shm_bfr->done = 1;
+}
+
+int PluginLV2ChildUI::handle_child()
+{
+ switch( child_token ) {
+ case LV2_OPEN: {
+ open_bfr_t *open_bfr = (open_bfr_t *)child_data;
+ if( init_ui(open_bfr->path, open_bfr->sample_rate) ) exit(1);
+ break; }
+ case LV2_LOAD: {
+ float *ctls = (float *)child_data;
+ update_lv2(ctls, 1);
+ break; }
+ case LV2_UPDATE: {
+ float *ctls = (float *)child_data;
+ if( update_lv2(ctls, 0) > 0 )
+ ++updates;
+ break; }
+ case LV2_SHOW: {
+ start_gui();
+ hidden = 0; ++updates;
+ break; }
+ case LV2_HIDE: {
+ hidden = 1; ++updates;
+ break; }
+ case LV2_SET: {
+ control_bfr_t *ctl_bfr = (control_bfr_t *)child_data;
+ config.ctls[ctl_bfr->idx] = ctl_bfr->value;
+ redraw = 1;
+ break; }
+ case LV2_SHMID: {
+ int shmid = *(int *)child_data;
+ run_buffer(shmid);
+ send_parent(LV2_SHMID, 0, 0);
+ break; }
+ case EXIT_CODE:
+ return -1;
+ }
+ return 1;
+}
+
+#endif /* HAVE_LV2UI */