feat: separator before the first remote bookmark in the side panel

Inserts a separator row (IS_SEPARATOR column) between local and remote
bookmarks in the shortcuts model; the progress renderer draws it as a line.
This is what thunar 4.20.2-1~bpo24.04+usagebars1 was built from.

thunar/thunar-shortcuts-model.c

@@ -217,6 +217,8 @@ struct _ThunarShortcutsModel
   guint         bookmarks_idle_id;
 
   guint busy_timeout_id;
+
+  gboolean bookmark_separator_added;
 };
 
 struct _ThunarShortcut
@@ -236,6 +238,7 @@ struct _ThunarShortcut
   ThunarDevice *device;
 
   guint hidden : 1;
+  guint is_separator : 1;
 };
 
 
@@ -538,6 +541,9 @@ thunar_shortcuts_model_get_column_type (GtkTreeModel *tree_model,
 
     case THUNAR_SHORTCUTS_MODEL_COLUMN_USAGE_PERCENT:
       return G_TYPE_INT;
+
+    case THUNAR_SHORTCUTS_MODEL_COLUMN_IS_SEPARATOR:
+      return G_TYPE_BOOLEAN;
     }
 
   _thunar_assert_not_reached ();
@@ -818,6 +824,11 @@ thunar_shortcuts_model_get_value (GtkTreeModel *tree_model,
       g_value_set_boolean (value, FALSE);
       break;
 
+    case THUNAR_SHORTCUTS_MODEL_COLUMN_IS_SEPARATOR:
+      g_value_init (value, G_TYPE_BOOLEAN);
+      g_value_set_boolean (value, shortcut->is_separator);
+      break;
+
     case THUNAR_SHORTCUTS_MODEL_COLUMN_USAGE_PERCENT:
       g_value_init (value, G_TYPE_INT);
       if ((shortcut->group & THUNAR_SHORTCUT_GROUP_DEVICES) != 0
@@ -1410,6 +1421,18 @@ thunar_shortcuts_model_load_line (GFile       *file_path,
   _thunar_return_if_fail (THUNAR_IS_SHORTCUTS_MODEL (model));
   _thunar_return_if_fail (name == NULL || g_utf8_validate (name, -1, NULL));
 
+  /* insert a separator before the first remote bookmark */
+  if (!thunar_shortcuts_model_local_file (file_path)
+      && !model->bookmark_separator_added)
+    {
+      ThunarShortcut *sep = g_slice_new0 (ThunarShortcut);
+      sep->group = THUNAR_SHORTCUT_GROUP_PLACES_BOOKMARKS;
+      sep->is_separator = TRUE;
+      sep->sort_id = row_num;
+      thunar_shortcuts_model_add_shortcut (model, sep);
+      model->bookmark_separator_added = TRUE;
+    }
+
   shortcut = g_slice_new0 (ThunarShortcut);
   shortcut->group = THUNAR_SHORTCUT_GROUP_PLACES_BOOKMARKS;
   shortcut->location = g_object_ref (file_path);
@@ -1471,6 +1494,9 @@ thunar_shortcuts_model_reload_bookmarks (gpointer data)
 
   _thunar_return_val_if_fail (THUNAR_IS_SHORTCUTS_MODEL (model), FALSE);
 
+  /* reset separator flag */
+  model->bookmark_separator_added = FALSE;
+
   /* Find all user-defined shortcuts (bookmarks) */
   for (lp = model->shortcuts; lp != NULL; lp = lp->next)
     {

thunar/thunar-shortcuts-model.h

@@ -54,6 +54,7 @@ typedef enum
   THUNAR_SHORTCUTS_MODEL_COLUMN_BUSY_PULSE,
   THUNAR_SHORTCUTS_MODEL_COLUMN_HIDDEN,
   THUNAR_SHORTCUTS_MODEL_COLUMN_USAGE_PERCENT,
+  THUNAR_SHORTCUTS_MODEL_COLUMN_IS_SEPARATOR,
   THUNAR_SHORTCUTS_MODEL_N_COLUMNS,
 } ThunarShortcutsModelColumn;
 

thunar/thunar-shortcuts-progress-renderer.c

@@ -36,6 +36,7 @@ enum
 {
   PROP_0,
   PROP_USAGE_PERCENT,
+  PROP_IS_SEPARATOR,
 };
 
 
@@ -49,7 +50,8 @@ struct _ThunarShortcutsProgressRenderer
 {
   GtkCellRendererText __parent__;
 
-  gint usage_percent;  /* -1 = no bar, 0..100 = percent used */
+  gint     usage_percent;  /* -1 = no bar, 0..100 = percent used */
+  gboolean is_separator;
 };
 
 
@@ -74,6 +76,10 @@ thunar_shortcuts_progress_renderer_get_property (GObject    *object,
       g_value_set_int (value, renderer->usage_percent);
       break;
 
+    case PROP_IS_SEPARATOR:
+      g_value_set_boolean (value, renderer->is_separator);
+      break;
+
     default:
       G_OBJECT_CLASS (thunar_shortcuts_progress_renderer_parent_class)->get_property (object, prop_id, value, pspec);
       break;
@@ -96,6 +102,10 @@ thunar_shortcuts_progress_renderer_set_property (GObject      *object,
       renderer->usage_percent = g_value_get_int (value);
       break;
 
+    case PROP_IS_SEPARATOR:
+      renderer->is_separator = g_value_get_boolean (value);
+      break;
+
     default:
       G_OBJECT_CLASS (thunar_shortcuts_progress_renderer_parent_class)->set_property (object, prop_id, value, pspec);
       break;
@@ -151,6 +161,24 @@ thunar_shortcuts_progress_renderer_render (GtkCellRenderer      *cell,
 
   gtk_cell_renderer_get_padding (cell, &xpad, &ypad);
 
+  /* draw a horizontal line for separator rows */
+  if (renderer->is_separator)
+    {
+      GdkRGBA fg_color;
+      context = gtk_widget_get_style_context (widget);
+      gtk_style_context_get_color (context, gtk_style_context_get_state (context), &fg_color);
+      fg_color.alpha = 0.3;
+
+      cairo_save (cr);
+      gdk_cairo_set_source_rgba (cr, &fg_color);
+      cairo_set_line_width (cr, 1.0);
+      cairo_move_to (cr, cell_area->x + xpad, cell_area->y + cell_area->height / 2 + 0.5);
+      cairo_line_to (cr, cell_area->x + cell_area->width - xpad, cell_area->y + cell_area->height / 2 + 0.5);
+      cairo_stroke (cr);
+      cairo_restore (cr);
+      return;
+    }
+
   if (renderer->usage_percent >= 0)
     {
       /* calculate how much space the bar needs, then shrink cell_area for text */
@@ -274,6 +302,14 @@ thunar_shortcuts_progress_renderer_class_init (ThunarShortcutsProgressRendererCl
                                                      "Disk usage percentage (0-100, -1 = hidden)",
                                                      -1, 100, -1,
                                                      G_PARAM_READWRITE));
+
+  g_object_class_install_property (gobject_class,
+                                   PROP_IS_SEPARATOR,
+                                   g_param_spec_boolean ("is-separator",
+                                                         "is-separator",
+                                                         "Draw a horizontal line instead of text",
+                                                         FALSE,
+                                                         G_PARAM_READWRITE));
 }
 
 

thunar/thunar-shortcuts-view.c

@@ -320,6 +320,20 @@ thunar_shortcuts_view_navigator_init (ThunarNavigatorIface *iface)
 
 
 
+static gboolean
+thunar_shortcuts_view_row_separator (GtkTreeModel *model,
+                                     GtkTreeIter  *iter,
+                                     gpointer      data)
+{
+  gboolean is_separator = FALSE;
+  gtk_tree_model_get (model, iter,
+                      THUNAR_SHORTCUTS_MODEL_COLUMN_IS_SEPARATOR, &is_separator,
+                      -1);
+  return is_separator;
+}
+
+
+
 static void
 thunar_shortcuts_view_init (ThunarShortcutsView *view)
 {
@@ -332,6 +346,8 @@ thunar_shortcuts_view_init (ThunarShortcutsView *view)
   gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (view), FALSE);
   gtk_tree_view_set_tooltip_column (GTK_TREE_VIEW (view), THUNAR_SHORTCUTS_MODEL_COLUMN_TOOLTIP);
 
+  /* no row_separator_func — separator is drawn by the progress renderer */
+
   /* grab a reference on the provider factory */
   view->provider_factory = thunarx_provider_factory_get_default ();
 
@@ -403,6 +419,7 @@ thunar_shortcuts_view_init (ThunarShortcutsView *view)
   gtk_tree_view_column_set_attributes (column, renderer,
                                        "text", THUNAR_SHORTCUTS_MODEL_COLUMN_NAME,
                                        "usage-percent", THUNAR_SHORTCUTS_MODEL_COLUMN_USAGE_PERCENT,
+                                       "is-separator", THUNAR_SHORTCUTS_MODEL_COLUMN_IS_SEPARATOR,
                                        "visible", THUNAR_SHORTCUTS_MODEL_COLUMN_IS_ITEM,
                                        NULL);