[gnome-todo] welcome-workspace: Filter out completed tasks from inbox

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 4bcaf59d0d519d653aafc4375bb85234895f13c1
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Fri Apr 30 15:49:12 2021 -0300

    welcome-workspace: Filter out completed tasks from inbox
    
    Otherwise the counter won't match the panel's counter.

 src/plugins/welcome/gtd-welcome-workspace.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)
---
diff --git a/src/plugins/welcome/gtd-welcome-workspace.c b/src/plugins/welcome/gtd-welcome-workspace.c
index 16842c10..3e3b6f16 100644
--- a/src/plugins/welcome/gtd-welcome-workspace.c
+++ b/src/plugins/welcome/gtd-welcome-workspace.c
@@ -113,6 +113,14 @@ is_today (GDateTime *today,
  * Callbacks
  */
 
+static gboolean
+inbox_filter_func (gpointer item,
+                   gpointer user_data)
+{
+  GtdTask *task = (GtdTask*) item;
+  return !gtd_task_get_complete (task);
+}
+
 static gboolean
 filter_func (gpointer  item,
              gpointer  user_data)
@@ -305,8 +313,10 @@ gtd_welcome_workspace_class_init (GtdWelcomeWorkspaceClass *klass)
 static void
 gtd_welcome_workspace_init (GtdWelcomeWorkspace *self)
 {
+  g_autoptr (GtkFlattenListModel) flatten_inbox_model = NULL;
   GtdManager *manager;
   GListModel *inbox_model;
+  GtkCustomFilter *inbox_filter;
   GtkCustomFilter *filter;
 
   gtk_widget_init_template (GTK_WIDGET (self));
@@ -320,8 +330,12 @@ gtd_welcome_workspace_init (GtdWelcomeWorkspace *self)
   update_welcome_label (self);
 
   /* Inbox */
+  inbox_filter = gtk_custom_filter_new (inbox_filter_func, self, NULL);
   inbox_model = gtd_manager_get_inbox_model (manager);
-  self->inbox_tasks_model = G_LIST_MODEL (gtk_flatten_list_model_new (inbox_model));
+  flatten_inbox_model = gtk_flatten_list_model_new (inbox_model);
+  self->inbox_tasks_model =
+    G_LIST_MODEL (gtk_filter_list_model_new (G_LIST_MODEL (flatten_inbox_model),
+                                             GTK_FILTER (inbox_filter)));
   g_signal_connect_object (self->inbox_tasks_model,
                            "items-changed",
                            G_CALLBACK (on_inbox_model_items_changed_cb),