testsections: A testbed for sections

Add a simple test client that lets us compare
and explore the section handling in listview
and gridview.

tests/meson.build

@@ -1,5 +1,6 @@
 gtk_tests = [
   # testname, optional extra sources
+  ['testsections'],
   ['testfilelauncher'],
   ['input'],
   ['testpopup'],

tests/testsections.c

@@ -0,0 +1,147 @@
+#include <gtk/gtk.h>
+
+static void
+setup_item (GtkSignalListItemFactory *self,
+            GObject                  *object)
+{
+  GtkListItem *list_item = GTK_LIST_ITEM (object);
+  GtkWidget *child = gtk_label_new ("");
+
+  gtk_label_set_xalign (GTK_LABEL (child), 0);
+  gtk_list_item_set_child (list_item, child);
+}
+
+static void
+bind_item (GtkSignalListItemFactory *self,
+           GObject                  *object)
+{
+  GtkListItem *list_item = GTK_LIST_ITEM (object);
+  GObject *item = gtk_list_item_get_item (list_item);
+  GtkWidget *child = gtk_list_item_get_child (list_item);
+
+  gtk_label_set_label (GTK_LABEL (child),
+                       gtk_string_object_get_string (GTK_STRING_OBJECT (item)));
+}
+
+static void
+setup_header (GtkSignalListItemFactory *self,
+              GObject                  *object)
+{
+  GtkListHeader *header = GTK_LIST_HEADER (object);
+  GtkWidget *child = gtk_label_new ("");
+
+  gtk_label_set_xalign (GTK_LABEL (child), 0);
+  gtk_list_header_set_child (header, child);
+}
+
+static void
+bind_header (GtkSignalListItemFactory *self,
+             GObject                  *object)
+{
+  GtkListHeader *header = GTK_LIST_HEADER (object);
+  GObject *item = gtk_list_header_get_item (header);
+  GtkWidget *child = gtk_list_header_get_child (header);
+  const char *string = gtk_string_object_get_string (GTK_STRING_OBJECT (item));
+  char tmp[6] = { 0, };
+  char *title;
+
+  g_unichar_to_utf8 (g_utf8_get_char (string), tmp);
+
+  title = g_strconcat ("<big><b>", tmp, "</b></big>", NULL);
+  gtk_label_set_markup (GTK_LABEL (child), title);
+  g_free (title);
+}
+
+static const char *strings[] = {
+  "Alpha", "Andromeda", "Anaphylaxis", "Anaheim", "Beer", "Branch", "Botulism", "Banana",
+  "Bee", "Crane", "Caldera", "Copper", "Crowd", "Dora", "Dolphin", "Dam", "Ding",
+ NULL,
+};
+
+static char *
+get_first (GObject *this)
+{
+  const char *s = gtk_string_object_get_string (GTK_STRING_OBJECT (this));
+
+  return g_strndup (s, g_utf8_next_char (s) - s);
+}
+
+int
+main (int argc, char *argv[])
+{
+  GtkWidget *window;
+  GtkWidget *sw;
+  GtkWidget *lv;
+  GtkWidget *gv;
+  GtkWidget *header;
+  GtkWidget *switcher;
+  GtkWidget *stack;
+  GtkListItemFactory *factory;
+  GtkListItemFactory *header_factory;
+  GtkExpression *expression;
+  GtkSortListModel *sortmodel;
+  GtkSelectionModel *selection;
+
+  gtk_init ();
+
+  window = gtk_window_new ();
+
+  header = gtk_header_bar_new ();
+  gtk_window_set_titlebar (GTK_WINDOW (window), header);
+
+  stack = gtk_stack_new ();
+  gtk_window_set_child (GTK_WINDOW (window), stack);
+
+  switcher = gtk_stack_switcher_new ();
+  gtk_header_bar_set_title_widget (GTK_HEADER_BAR (header), switcher);
+
+  gtk_stack_switcher_set_stack (GTK_STACK_SWITCHER (switcher), GTK_STACK (stack));
+
+  expression = gtk_property_expression_new (GTK_TYPE_STRING_OBJECT, NULL, "string");
+  sortmodel = gtk_sort_list_model_new (G_LIST_MODEL (gtk_string_list_new (strings)),
+                                       GTK_SORTER (gtk_string_sorter_new (expression)));
+  expression = gtk_cclosure_expression_new (G_TYPE_STRING, NULL, 0, NULL, (GCallback) get_first, NULL, NULL);
+  gtk_sort_list_model_set_section_sorter (sortmodel, GTK_SORTER (gtk_string_sorter_new (expression)));
+  selection = GTK_SELECTION_MODEL (gtk_no_selection_new (G_LIST_MODEL (sortmodel)));
+
+  sw = gtk_scrolled_window_new ();
+  gtk_stack_add_titled (GTK_STACK (stack), sw, "list", "List");
+
+  factory = gtk_signal_list_item_factory_new ();
+  g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
+  g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
+
+  header_factory = gtk_signal_list_item_factory_new ();
+  g_signal_connect (header_factory, "setup", G_CALLBACK (setup_header), NULL);
+  g_signal_connect (header_factory, "bind", G_CALLBACK (bind_header), NULL);
+
+  lv = gtk_list_view_new (g_object_ref (selection), factory);
+  gtk_list_view_set_header_factory (GTK_LIST_VIEW (lv), header_factory);
+  gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), lv);
+
+  sw = gtk_scrolled_window_new ();
+  gtk_stack_add_titled (GTK_STACK (stack), sw, "grid", "Grid");
+
+  factory = gtk_signal_list_item_factory_new ();
+  g_signal_connect (factory, "setup", G_CALLBACK (setup_item), NULL);
+  g_signal_connect (factory, "bind", G_CALLBACK (bind_item), NULL);
+
+  header_factory = gtk_signal_list_item_factory_new ();
+  g_signal_connect (header_factory, "setup", G_CALLBACK (setup_header), NULL);
+  g_signal_connect (header_factory, "bind", G_CALLBACK (bind_header), NULL);
+
+  gv = gtk_grid_view_new (g_object_ref (selection), factory);
+  gtk_grid_view_set_header_factory (GTK_GRID_VIEW (gv), header_factory);
+  gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), gv);
+
+  gtk_grid_view_set_min_columns (GTK_GRID_VIEW (gv), 3);
+
+  gtk_window_present (GTK_WINDOW (window));
+
+  while (g_list_model_get_n_items (gtk_window_get_toplevels ()) > 0)
+    g_main_context_iteration (NULL, FALSE);
+
+  g_object_unref (selection);
+
+  return 0;
+}