install fonts only if not already installed on the system

.gitignore

@@ -168,3 +168,6 @@ valog*
 
 # callgrind
 callgrind*
+
+# profiling
+results

data/meson.build

@@ -19,10 +19,13 @@ install_data (
   'org.zrythm.Zrythm.gschema.xml',
   install_dir: schemasdir)
 
-# install fonts
-install_subdir (
-  join_paths ('fonts', 'DSEG14-Classic-MINI'),
-  install_dir: join_paths (fontsdir))
+# install fonts if needed
+should_install_dseg = not run_command('fc-list').stdout().contains('DSEG14')
+if should_install_dseg
+  install_subdir (
+    join_paths ('fonts', 'DSEG14-Classic-MINI'),
+    install_dir: fontsdir)
+endif
 
 #install samples
 install_data (

meson.build

@@ -460,6 +460,7 @@ summary = [
   '  Generate developer docs: @0@'.format(get_option('gen_dev_docs')),
   '  Build/install manpage: @0@'.format(get_option('manpage')),
   '  Build/install user manual: @0@'.format(get_option('user_manual')),
+  '  Install DSEG font: @0@'.format(should_install_dseg),
   '  Coverage reports: @0@'.format(get_option('b_coverage')),
   '  Optional libraries:',
   '    ffmpeg: @0@'.format(get_option('enable_ffmpeg')),

src/plugins/lv2/lv2_gtk.c

@@ -1661,7 +1661,8 @@ lv2_gtk_open_ui (
     g_signal_connect (
       G_OBJECT (window), "delete-event",
       G_CALLBACK (on_delete_event), plugin);
-  LilvNode* name = lilv_plugin_get_name(plugin->lilv_plugin);
+  LilvNode* name =
+    lilv_plugin_get_name (plugin->lilv_plugin);
   lilv_node_free (name);
 
   /* connect destroy signal */
@@ -1672,19 +1673,24 @@ lv2_gtk_open_ui (
   set_window_title(plugin);
 
   GtkWidget* vbox = new_box(false, 0);
-  gtk_window_set_role(GTK_WINDOW(window), "plugin_ui");
-  gtk_container_add(GTK_CONTAINER(window), vbox);
-
-  if (!no_menu) {
-          build_menu(plugin, 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);
+  gtk_window_set_role (
+    GTK_WINDOW(window), "plugin_ui");
+  gtk_container_add (
+    GTK_CONTAINER(window), vbox);
+
+  if (!no_menu)
+    build_menu (plugin, 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 */
+  /* Attempt to instantiate custom UI if
+   * necessary */
   if (plugin->ui && !LV2_NODES.opts.generic_ui)
     {
       if (plugin->externalui)
@@ -1694,9 +1700,10 @@ lv2_gtk_open_ui (
           LV2_External_UI_Host extui;
           extui.ui_closed = on_external_ui_closed;
           extui.plugin_human_id =
-            lilv_node_as_string(name);
+            lilv_node_as_string (name);
           lv2_ui_instantiate (
-            plugin, lilv_node_as_uri(plugin->ui_type),
+            plugin,
+            lilv_node_as_uri (plugin->ui_type),
             &extui);
         }
       else
@@ -1733,31 +1740,41 @@ lv2_gtk_open_ui (
   else
     {
       g_message ("No UI found, building native..");
-      GtkWidget* controls   = build_control_widget(plugin, 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);
+      GtkWidget* controls =
+        build_control_widget (plugin, 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, box_size;
-      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);
-      gtk_window_present(GTK_WINDOW(window));
+      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);
+      gtk_window_present (GTK_WINDOW(window));
   }
 
   lv2_ui_init (plugin);
 
   plugin->plugin->ui_instantiated = 1;
 
+  g_message (
+    "plugin window shown, adding idle timeout");
+
   g_timeout_add (
     1000 / plugin->ui_update_hz,
     (GSourceFunc) update_plugin_ui, plugin);

src/plugins/lv2/lv2_ui.c

@@ -423,16 +423,20 @@ lv2_ui_instantiate (
               NULL
       };
 
-      plugin->ui_instance = suil_instance_new(
-              plugin->ui_host,
-              plugin,
-              native_ui_type,
-              lilv_node_as_uri(lilv_plugin_get_uri(plugin->lilv_plugin)),
-              lilv_node_as_uri(lilv_ui_get_uri(plugin->ui)),
-              lilv_node_as_uri(plugin->ui_type),
-              bundle_path,
-              binary_path,
-              ui_features);
+      plugin->ui_instance =
+        suil_instance_new (
+          plugin->ui_host,
+          plugin,
+          native_ui_type,
+          lilv_node_as_uri (
+            lilv_plugin_get_uri (
+              plugin->lilv_plugin)),
+          lilv_node_as_uri (
+            lilv_ui_get_uri(plugin->ui)),
+          lilv_node_as_uri(plugin->ui_type),
+          bundle_path,
+          binary_path,
+          ui_features);
     }
 
   lilv_free(binary_path);