Add Gtk plugin selector UI

6 files changed, 142 insertions, 0 deletions

diff --git a/src/jalv.c b/src/jalv.c
index 22b95b1..f468b19 100644
--- a/src/jalv.c
+++ b/src/jalv.c
@@ -1011,6 +1011,10 @@ jalv_open(Jalv* const jalv, int* argc, char*** argv)
   }
 
   if (!plugin_uri) {
+    plugin_uri = jalv_select_plugin(jalv);
+  }
+
+  if (!plugin_uri) {
     fprintf(stderr, "Missing plugin URI, try lv2ls to list plugins\n");
     jalv_close(jalv);
     return -3;
diff --git a/src/jalv_console.c b/src/jalv_console.c
index 8c3eaf7..a9597e3 100644
--- a/src/jalv_console.c
+++ b/src/jalv_console.c
@@ -291,6 +291,13 @@ jalv_ui_scale_factor(Jalv* ZIX_UNUSED(jalv))
   return 1.0f;
 }
 
+LilvNode*
+jalv_select_plugin(Jalv* jalv)
+{
+  (void)jalv;
+  return NULL;
+}
+
 int
 jalv_open_ui(Jalv* jalv)
 {
diff --git a/src/jalv_gtk.c b/src/jalv_gtk.c
index a8835ff..348dd3c 100644
--- a/src/jalv_gtk.c
+++ b/src/jalv_gtk.c
@@ -1360,6 +1360,121 @@ jalv_ui_scale_factor(Jalv* ZIX_UNUSED(jalv))
 #endif
 }
 
+static void
+on_row_activated(GtkTreeView* const       tree_view,
+                 GtkTreePath* const       path,
+                 GtkTreeViewColumn* const column,
+                 const void* const        user_data)
+{
+  (void)tree_view;
+  (void)path;
+  (void)column;
+
+  gtk_dialog_response(GTK_DIALOG(user_data), GTK_RESPONSE_ACCEPT);
+}
+
+LilvNode*
+jalv_select_plugin(Jalv* jalv)
+{
+  // Create the dialog
+  GtkWidget* const dialog = gtk_dialog_new_with_buttons("Plugin Selector",
+                                                        NULL,
+                                                        (GtkDialogFlags)0,
+                                                        "_OK",
+                                                        GTK_RESPONSE_ACCEPT,
+                                                        "_Cancel",
+                                                        GTK_RESPONSE_REJECT,
+                                                        NULL);
+
+  gtk_window_set_role(GTK_WINDOW(dialog), "plugin_selector");
+  gtk_window_set_default_size(GTK_WINDOW(dialog), 800, 600);
+
+  // Build the treeview
+
+  GtkTreeView* const tree_view = GTK_TREE_VIEW(gtk_tree_view_new());
+  {
+    // Add treeview to the content area of the dialog
+    GtkWidget*    content = gtk_dialog_get_content_area(GTK_DIALOG(dialog));
+    GtkContainer* scroll  = GTK_CONTAINER(gtk_scrolled_window_new(NULL, NULL));
+    gtk_container_add(scroll, GTK_WIDGET(tree_view));
+    gtk_container_add(GTK_CONTAINER(content), GTK_WIDGET(scroll));
+    gtk_widget_set_visible(GTK_WIDGET(tree_view), TRUE);
+    gtk_widget_set_visible(GTK_WIDGET(scroll), TRUE);
+    gtk_box_set_child_packing(
+      GTK_BOX(content), GTK_WIDGET(scroll), TRUE, TRUE, 2, GTK_PACK_START);
+    gtk_scrolled_window_set_policy(
+      GTK_SCROLLED_WINDOW(scroll), GTK_POLICY_NEVER, GTK_POLICY_AUTOMATIC);
+  }
+
+  // Set treeview columns (all strings)
+  static const char* const col_labels[] = {"Name", "Type", "Author", "URI"};
+  for (unsigned i = 0; i < 4; ++i) {
+    GtkTreeViewColumn* const column = gtk_tree_view_column_new_with_attributes(
+      col_labels[i], gtk_cell_renderer_text_new(), "text", i, NULL);
+
+    gtk_tree_view_column_set_sort_column_id(column, i);
+    gtk_tree_view_append_column(tree_view, column);
+  }
+
+  // Build the model
+  GtkListStore* const store = gtk_list_store_new(
+    4, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
+  const LilvPlugins* plugins = lilv_world_get_all_plugins(jalv->world);
+  LILV_FOREACH (plugins, i, plugins) {
+    const LilvPlugin* const      p      = lilv_plugins_get(plugins, i);
+    LilvNode* const              name   = lilv_plugin_get_name(p);
+    const LilvPluginClass* const klass  = lilv_plugin_get_class(p);
+    const LilvNode* const        type   = lilv_plugin_class_get_label(klass);
+    LilvNode* const              author = lilv_plugin_get_author_name(p);
+    const LilvNode* const        uri    = lilv_plugin_get_uri(p);
+
+    if (name && type && uri) {
+      GtkTreeIter iter;
+      gtk_list_store_insert_with_values(store,
+                                        &iter,
+                                        -1,
+                                        0,
+                                        lilv_node_as_string(name),
+                                        1,
+                                        lilv_node_as_string(type),
+                                        2,
+                                        lilv_node_as_string(author),
+                                        3,
+                                        lilv_node_as_string(uri),
+                                        -1);
+    }
+
+    lilv_node_free(name);
+    lilv_node_free(author);
+  }
+
+  gtk_tree_view_set_model(tree_view, GTK_TREE_MODEL(store));
+
+  g_signal_connect(GTK_WIDGET(tree_view),
+                   "row-activated",
+                   G_CALLBACK(on_row_activated),
+                   dialog);
+
+  // Get URI from selection
+  LilvNode* selected_uri = NULL;
+  if (gtk_dialog_run(GTK_DIALOG(dialog)) == GTK_RESPONSE_ACCEPT) {
+    GtkTreeSelection* selection = gtk_tree_view_get_selection(tree_view);
+    GtkTreeModel*     model     = GTK_TREE_MODEL(store);
+    GtkTreeIter       selected;
+    if (gtk_tree_selection_get_selected(selection, &model, &selected)) {
+      GValue val = G_VALUE_INIT;
+      gtk_tree_model_get_value(model, &selected, 3, &val);
+
+      selected_uri = lilv_new_uri(jalv->world, g_value_get_string(&val));
+
+      g_value_unset(&val);
+    }
+  }
+  gtk_widget_destroy(dialog);
+
+  return selected_uri;
+}
+
 int
 jalv_open_ui(Jalv* jalv)
 {
diff --git a/src/jalv_gtkmm2.cpp b/src/jalv_gtkmm2.cpp
index a967563..f29ee14 100644
--- a/src/jalv_gtkmm2.cpp
+++ b/src/jalv_gtkmm2.cpp
@@ -16,6 +16,7 @@
 
 #include "jalv_internal.h"
 
+#include "lilv/lilv.h"
 #include "lv2/core/attributes.h"
 #include "suil/suil.h"
 #include "zix/sem.h"
@@ -77,6 +78,12 @@ jalv_ui_scale_factor(Jalv*)
   return 1.0f;
 }
 
+LilvNode*
+jalv_select_plugin(Jalv*)
+{
+  return nullptr;
+}
+
 int
 jalv_open_ui(Jalv* jalv)
 {
diff --git a/src/jalv_internal.h b/src/jalv_internal.h
index 36b63ed..0737582 100644
--- a/src/jalv_internal.h
+++ b/src/jalv_internal.h
@@ -402,6 +402,9 @@ jalv_ui_scale_factor(Jalv* jalv);
 int
 jalv_open_ui(Jalv* jalv);
 
+LilvNode*
+jalv_select_plugin(Jalv* jalv);
+
 void
 jalv_init_ui(Jalv* jalv);
 
diff --git a/src/jalv_qt.cpp b/src/jalv_qt.cpp
index 746ecdc..79de303 100644
--- a/src/jalv_qt.cpp
+++ b/src/jalv_qt.cpp
@@ -711,6 +711,12 @@ jalv_ui_scale_factor(Jalv*)
   return (float)QGuiApplication::primaryScreen()->devicePixelRatio();
 }
 
+LilvNode*
+jalv_select_plugin(Jalv*)
+{
+  return nullptr;
+}
+
 int
 jalv_open_ui(Jalv* jalv)
 {